Technical Lead Applications Engineer

🏢 Summary: Hands-on Back-End Engineer role focused on designing, implementing, and optimizing core components of SaaS web applications and their analytics data pipelines. The position involves building customer-facing features, improving performance and scalability, and delivering production-ready releases in a cloud environment. Occasional front-end involvement may be required to support end-to-end functionality. 🗂️ Requirements: BS/MS in Computer Science, Mathematics, or Engineering, 4+ years of experience as a Software Engineer in a software product company, Experience in backend web development, Proficiency in Python or Java or C++ or Ruby, Proficiency in SQL, Experience with relational databases, Experience with cloud platforms (AWS or Google Cloud), Experience delivering production releases, Experience writing automated unit tests, Strong solution design skills 📃 Skills: Python, Java, C++, Ruby, SQL, AWS, GoogleCloud, SaaS, Backend, RelationalDatabases, UnitTesting 🏢 Description: Your impact We are looking for a highly skilled Back-End Engineer to join our growing team. This is a hands-on engineering role, primarily focused on the back-end development of our SaaS web applications InSight Planning and InSight Operations which our subscription customers use to explore and visualize real world travel patterns. You will be responsible for designing, implementing, and optimizing core components of our application stack. While the role focuses on back-end work, occasional involvement in front-end tasks may occur as part of delivering end-to-end functionality. Key Responsibilities: Design, implement, and maintain customer-facing features in the StreetLight SaaS web applications (Planning and Operations) and their analytics data pipeline Deliver product releases and fixes to production as needed Write automated unit tests and participate in peer design and code reviews Collaborate daily with the other developers and QA engineers on the team, as well as with Product Management Productize analytics models from the Data Science and Data Engineering team Tune StreetLight InSight Planning for performance, scalability, and reliable operation to serve our growing customer base Assist Support and Operations in resolving production issues when needed, and improve the product to avoid them in the future Here's what you'll need BS / MS in Computer Science, Mathematics, or an Engineering discipline from a top university 4+ years of experience as a Software Engineer at a software product company, preferable in an enterprise market Competence and experience in backend web development Strong problem solving and solution design skills Proficiency in Python (Java, C++ or Ruby experience can substitute for Python in a candidate who is open to learning new technologies) Proficiency in SQL and working with relational databases Experience working in cloud-deployed platforms such as AWS, Google Cloud Product and customer orientation Good communication skills - both written and verbal Quick learner, and a strong team player Nice to have: Experience developing web-based SaaS applications Experience in frontend web development We offer: Rewarding employment: Full-time employment with a salary that matches your qualifications Hybrid work model: Enjoy the flexibility of working from home, with just several office days per month Comprehensive benefits: Including Lux Med medical care, psychological support, life insurance, My Benefit cafeteria system, Multisport card co-financing, and a car/bike park sharing system Co-financed holidays: Enjoy "Wczasy pod Gruszą" for a well-deserved break Global projects: Engage in exciting international projects Inclusive networks: Join our diverse employee networks like Women's Network, OneWorld, PRISM, Careers Network, Green Team, SpeakUp, Collectively, and more Continuous learning: Participate in our Graduate Development Program, Learners’ Community, and self-learning platforms Language courses: Enhance your skills with courses in English, German, and Polish We know that if we are inclusive, we’re more connected, and if we are diverse, we’re more creative. We accept people for who they are, regardless of age, disabilities, gender identity, gender expression, marital status, mental health, race, faith or belief, sexual orientation, socioeconomic background, and whether you’re pregnant or on family leave. Find out more about life at Jacobs. As a Disability Confident employer, we will interview all disabled applicants who meet the criteria for a vacancy. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team recruitmentpoland@jacobs.com

🏢 Summary: Full-stack Developer role focused on building scalable, microservices-based applications using Java 21 and Spring Boot, with involvement across backend, frontend, testing, CI/CD, and cloud-native deployment. The position involves developing RESTful APIs, ensuring code quality, and deploying containerized solutions in a modern DevOps environment. The offer targets experienced engineers capable of delivering complex software solutions in international projects. 🗂️ Requirements: Minimum 4 years of hands-on experience in Java development, Strong experience with Spring and Spring Boot, Experience building RESTful APIs and microservices, Working knowledge of at least one frontend framework (preferably React), Proficiency with Git version control, Experience with SQL and NoSQL databases, Experience with Maven for build and dependency management, Experience with unit testing using JUnit and Mockito, Experience with Docker or Kubernetes, Experience working with CI/CD pipelines and Jenkins, Fluent English 📃 Skills: Java, Spring, SpringBoot, React, REST, Microservices, JUnit, Mockito, Wiremock, SonarQube, Docker, Kubernetes, ELK, BitBucket, Maven, Jenkins, Git, SQL, NoSQL 🏢 Description: At Jacobs, we're embarking on an exciting journey as we initiate the development of our Digital & Data Hub in the heart of Krakow. Our mission is to undertake projects spanning various industries, including Consumer and Manufacturing, Defence and Security, Energy and Utilities, Financial Services, Government and Public Services, Health and Life Sciences, and Transport. We are seeking a Full-stack Developer with expertise spanning various aspects of software development, including Java OOPS concepts, Java 21 features, web applications, REST services, testing frameworks, and more. The ideal candidate will have a proven track record of successful project implementation. Key Responsibilities: Apply object‑oriented programming principles in Java to deliver scalable and maintainable solutions Work with Java 21, making use of streams, functional interfaces, and collections for cleaner code Build microservices with Spring Boot and related frameworks, ensuring modular and efficient system design Develop RESTful APIs following industry best practices for implementation and consumption Write unit and integration tests using JUnit, Wiremock, and Mockito to ensure reliability and coverage Maintain high code quality through automated checks with SonarQube Deploy and orchestrate applications using Docker and Kubernetes Set up monitoring and logging with the ELK stack to support observability and troubleshooting Navigate CI/CD pipelines with BitBucket, Maven, and Jenkins to streamline delivery Contribute to team standards by conducting thorough code reviews Here's what you'll need: Minimum 4 years of hands-on experience in Java development Strong background in Spring and Spring Boot frameworks Working knowledge of front‑end technologies and at least one framework (preferably React ) Proficient in version control systems, especially Git Solid understanding of both SQL and NoSQL databases Experience with build and dependency management tools, particularly Maven Skilled in unit testing, particularly with JUnit and Mockito Proven ability to design and deliver complex software solutions Experience using Google Cloud Platform (GCP) in day‑to‑day software development Familiarity with containerization and orchestration tools like Docker or Kubernetes Experience working in a consulting environment, including collaboration with multiple stakeholders and clients Familiarity CI/CD pipelines and related tooling (Jenkins, Kubernetes, etc.) Strong analytical thinking and problem-solving capabilities Excellent communication and teamwork skills Fluent in English We offer: Rewarding employment - full-time employment with a salary that matches your qualifications Hybrid work model - enjoy the flexibility of working mostly from home Flexible hours - start your day anytime between 7:30 and 10:00 AM Comprehensive benefits, including Lux Med medical care, psychological support, life insurance, My Benefit cafeteria system, Multisport card co-financing, and a car/bike park sharing system Co-financed holidays - enjoy "Wczasy pod Gruszą" for a well-deserved break Global projects - engage in exciting international projects Inclusive networks - join our diverse employee networks like Women's Network, OneWorld, PRISM, Careers Network, Green Team, SpeakUp, Collectively, and more Continuous learning - participate in our Graduate Development Program, Learners’ Community, and self-learning platforms Language courses - enhance your skills with courses in English, German, and Polish We know that if we are inclusive, we’re more connected, and we’re more creative.  We accept people for who they are.  Find out more about life at Jacobs .  As a Disability Confident employer, we will interview all disabled applicants who meet the criteria for a vacancy.  If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team recruitmentpoland@jacobs.com

🏢 Summary: The offer is for a Senior/Lead Full-stack Developer to design and deliver scalable, microservices-based applications using Java 21 and Spring Boot, contributing to complex international projects. The role combines backend development, REST API design, frontend integration, cloud deployment, and CI/CD automation. It requires strong expertise in modern Java ecosystems, testing practices, and containerized cloud environments. 🗂️ Requirements: Minimum 5 years of hands-on Java development experience, Strong expertise in Spring and Spring Boot, Experience with Java 21 features and OOP principles, Experience building RESTful APIs and microservices, Proficiency with JUnit and Mockito for unit testing, Experience with SQL and NoSQL databases, Experience with Maven for build and dependency management, Proficiency with Git version control, Experience with Docker or Kubernetes, Experience with CI/CD pipelines and Jenkins, Experience with Google Cloud Platform (GCP), Working knowledge of at least one frontend framework (React preferred) 📃 Skills: Java, Spring, SpringBoot, React, REST, Microservices, JUnit, Mockito, Wiremock, Maven, Git, SQL, NoSQL, Docker, Kubernetes, GCP, Jenkins, BitBucket, SonarQube, ELK 🏢 Description: At Jacobs, we're embarking on an exciting journey as we initiate the development of our Digital & Data Hub in the heart of Krakow. Our mission is to undertake projects spanning various industries, including Consumer and Manufacturing, Defence and Security, Energy and Utilities, Financial Services, Government and Public Services, Health and Life Sciences, and Transport. We are seeking a Senior/Lead Full-stack Developer with expertise spanning various aspects of software development, including Java OOPS concepts, Java 21 features, web applications, REST services, testing frameworks, and more. The ideal candidate will have a proven track record of successful project implementation. Key Responsibilities: Apply object‑oriented programming principles in Java to deliver scalable and maintainable solutions Work with Java 21, making use of streams, functional interfaces, and collections for cleaner code Build microservices with Spring Boot and related frameworks, ensuring modular and efficient system design Develop RESTful APIs following industry best practices for implementation and consumption Write unit and integration tests using JUnit, Wiremock, and Mockito to ensure reliability and coverage Maintain high code quality through automated checks with SonarQube Deploy and orchestrate applications using Docker and Kubernetes Set up monitoring and logging with the ELK stack to support observability and troubleshooting Navigate CI/CD pipelines with BitBucket, Maven, and Jenkins to streamline delivery Contribute to team standards by conducting thorough code reviews Here's what you'll need: Minimum 5 years of hands-on experience in Java development Strong background in Spring and Spring Boot frameworks Working knowledge of front‑end technologies and at least one framework (preferably React ) Proficient in version control systems, especially Git Solid understanding of both SQL and NoSQL databases Experience with build and dependency management tools, particularly Maven Skilled in unit testing, particularly with JUnit and Mockito Proven ability to design and deliver complex software solutions Experience using Google Cloud Platform (GCP) in day‑to‑day software development Familiarity with containerization and orchestration tools like Docker or Kubernetes Experience working in a consulting environment, including collaboration with multiple stakeholders and clients Familiarity CI/CD pipelines and related tooling (Jenkins, Kubernetes, etc.) Strong analytical thinking and problem-solving capabilities Excellent communication and teamwork skills Fluent in English We offer: Rewarding employment - full-time employment with a salary that matches your qualifications Hybrid work model - enjoy the flexibility of working mostly from home Flexible hours - start your day anytime between 7:30 and 10:00 AM Comprehensive benefits, including Lux Med medical care, psychological support, life insurance, My Benefit cafeteria system, Multisport card co-financing, and a car/bike park sharing system (only under CoE) Co-financed holidays - enjoy "Wczasy pod Gruszą" for a well-deserved break (only under CoE) Global projects - engage in exciting international projects Inclusive networks - join our diverse employee networks like Women's Network, OneWorld, PRISM, Careers Network, Green Team, SpeakUp, Collectively, and more Continuous learning - participate in our Graduate Development Program, Learners’ Community, and self-learning platforms Language courses - enhance your skills with courses in English, German, and Polish We know that if we are inclusive, we’re more connected, and we’re more creative.  We accept people for who they are.  Find out more about life at Jacobs .  As a Disability Confident employer, we will interview all disabled applicants who meet the criteria for a vacancy.  If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team recruitmentpoland@jacobs.com

🏢 Summary: The offer is for an Analyst, DevOps & Cloud Infrastructure role focused on maintaining, optimizing, and automating a large-scale GCP cloud environment supporting data-driven products. The position involves cloud cost optimization, production operations, monitoring, and infrastructure tooling in a complex international setup. It combines hands-on DevOps work with reporting, automation, and continuous improvement of cloud and operational processes. 🗂️ Requirements: 3+ years experience in DevOps, SRE, or Cloud Operations, Hands-on experience with Google Cloud Platform, Strong SQL skills with BigQuery, Proficiency in Bash and Python, Experience with monitoring and alerting tools, Experience with CI/CD pipelines, Experience with configuration management tools, Proficiency with Git, Experience building dashboards, Experience working in Linux environments, Willingness to participate in on-call rotation 📃 Skills: GCP, BigQuery, ComputeEngine, IAM, CloudStorage, SQL, Bash, Python, Zabbix, Opsgenie, PagerDuty, Jira, Jenkins, Ansible, Git, GitHub, Looker, PowerBI, Tableau, Linux, SSH, cron, Terraform, PostgreSQL, Kubernetes 🏢 Description: At Jacobs, we're embarking on an exciting journey as we initiate the development of our Digital & Data Hub in the heart of Krakow. Our mission is to undertake projects spanning various industries, including Consumer and Manufacturing, Defence and Security, Energy and Utilities, Financial Services, Government and Public Services, Health and Life Sciences, and Transport. Looking to grow your impact in DevOps and cloud infrastructure while working with modern GCP technologies? This is an opportunity to join Jacobs and play a key role in maintaining and optimizing a large-scale cloud environment supporting data-driven products. As an Analyst, DevOps & Cloud Infrastructure, you’ll work hands-on with cloud cost optimization, production operations, and infrastructure tooling, helping ensure stability, efficiency, and continuous improvement. You’ll collaborate with international teams, gain exposure to complex data and cloud ecosystems, and take ownership of meaningful initiatives, all while building your expertise in a supportive and experienced environment. Responsibilities: Monitor, analyze, and optimize GCP cloud costs, including BigQuery usage and resource governance Develop and maintain dashboards ( Looker Studio ) and data pipelines in BigQuery for cost and operational reporting Support production operations, including alert triage, incident response, and participation in on-call rotation Maintain and enhance monitoring and alerting systems (Zabbix, Opsgenie/Jira Service Management, log alerting) Automate infrastructure and operational processes using Python, Bash, Jenkins, and Ansible Manage operational tasks such as IAM access, infrastructure configuration, and environment setup Support tooling migrations (e.g., Opsgenie to Jira Service Management) Create and maintain technical documentation (runbooks, playbooks, procedures) Collaborate with vendors and optimize SaaS tool usage and licensing costs Work closely with cross-functional teams, sharing knowledge, providing updates, and identifying risks Here's what you'll need: 3+ years of experience in DevOps, SRE, Cloud Operations, or similar roles Hands-on experience with Google Cloud Platform (BigQuery, Compute Engine, IAM, Cloud Storage, billing) Strong SQL skills, particularly with BigQuery Proficiency in Bash and Python for automation and data processing Experience with monitoring and alerting tools (e.g., Zabbix, Opsgenie, PagerDuty, Jira Service Management ) Experience with CI/CD pipelines ( Jenkins ) and configuration management ( Ansible ) Proficiency with Git/GitHub Experience building dashboards ( Looker Studio, Power BI, Tableau, or similar ) Comfortable working in Linux environments (SSH, cron, log analysis) Strong prioritization, communication, and collaboration skills in distributed teams Ability to produce clear technical documentation (runbooks, procedures, reports) Willingness to participate in an on-call rotation, including after-hours support for P1/P2 production incidents and occasional availability aligned with US time zones (including late evening hours in Poland for deployments) Nice to have: Google Cloud certifications (e.g., Associate or Professional level) Experience with Jira Service Management, Confluence, or Atlassian ecosystem Familiarity with Terraform or Infrastructure as Code practices Experience with PostgreSQL administration Exposure to Kubernetes and containerized workloads Understanding of networking fundamentals (VPNs, firewall rules, peering) Background in data analytics, geospatial, or transportation-related domains We offer: Rewarding employment - full-time employment with a salary that matches your qualifications Hybrid work model - enjoy the flexibility of working mostly from home Flexible hours - start your day anytime between 7:30 and 10:00 AM Comprehensive benefits, including Lux Med medical care, psychological support, life insurance, My Benefit cafeteria system, Multisport card co-financing, and a car/bike park sharing system Co-financed holidays - enjoy "Wczasy pod Gruszą" for a well-deserved break Global projects - engage in exciting international projects Inclusive networks - join our diverse employee networks like Women's Network, OneWorld, PRISM, Careers Network, Green Team, SpeakUp, Collectively, and more Continuous learning - participate in our Graduate Development Program, Learners’ Community, and self-learning platforms Language courses - enhance your skills with courses in English, German, and Polish We know that if we are inclusive, we’re more connected, and we’re more creative.  We accept people for who they are.  Find out more about life at Jacobs . As a Disability Confident employer, we will interview all disabled applicants who meet the criteria for a vacancy. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team recruitmentpoland@jacobs.com

🏢 Summary: Mid/Senior QA Engineer role focused on ensuring quality, reliability, and performance of cloud-based Health Data Platform solutions. The position involves building and maintaining automated tests, contributing to test strategy, and integrating QA processes into CI/CD pipelines. You will collaborate with cross-functional teams to support continuous delivery of high-quality web applications (API and UI). 🗂️ Requirements: 4+ years of QA Engineering or Test Automation experience, Hands-on experience with test automation tools (e.g., Playwright), Programming skills in Python, JavaScript or TypeScript, Experience with API testing, Experience with UI testing, Experience with BDD frameworks (e.g., Cucumber), Understanding of CI/CD processes, Knowledge of version control systems, Basic SQL knowledge, Experience with manual and exploratory testing 📃 Skills: Python, JavaScript, TypeScript, Playwright, Cucumber, SQL, Git, GitHub, Azure, DevOps, CI/CD, Shell, Bash, API, UI 🏢 Description: At Jacobs’ Krakow office, we build more than software – we create digital solutions that power complex, real‑world engineering and infrastructure projects across the globe. As part of our growing Digital & Data Hub, you’ll join high‑impact international teams where quality, innovation and collaboration are at the heart of everything we do. We are looking for a Mid/Senior QA Engineer to join our team and help ensure the reliability, performance and quality of our products. You will work closely with developers, product owners and cross‑functional teams to design and execute test strategies, build automation, and support continuous delivery of high‑quality software. The project focuses on developing cloud‑based solutions for Health Data Platforms, enabling secure processing and delivery of clinical data for healthcare, regulatory and research stakeholders. Responsibilities: Develop and maintain automated tests for web applications (API and UI) Build and extend test automation frameworks using Python, JavaScript or TypeScript Create and execute BDD scenarios (e.g., Cucumber ) Perform functional, regression, exploratory and manual testing Contribute to test planning, test design and overall QA lifecycle Integrate automated tests into CI/CD pipelines ( GitHub Actions, Azure DevOp s) Use SQL to validate data in test environments Automate workflows using Shell/Bash scripting Collaborate with developers and product teams to identify and resolve defects Advocate for QA best practices and continuous improvement Here's what you'll need: 4+ years of experience in QA Engineering or Test Automation Hands‑on experience with test automation ( Playwright or similar ) Good programming skills in Python, JavaScript or TypeScript Experience with API and UI testing Familiarity with BDD frameworks (e.g., Cucumber ) Understanding of CI/CD processes and version control Basic SQL knowledge Experience with manual testing and exploratory testing Strong communication and collaboration skills We offer: Rewarding employment - full-time employment with a salary that matches your qualifications Hybrid work model - enjoy the flexibility of working mostly from home Flexible hours - start your day anytime between 7:30 and 10:00 AM Comprehensive benefits, including Lux Med medical care, psychological support, life insurance, My Benefit cafeteria system, Multisport card co-financing, and a car/bike park sharing system Co-financed holidays - enjoy "Wczasy pod Gruszą" for a well-deserved break Global projects - engage in exciting international projects Inclusive networks - join our diverse employee networks like Women's Network, OneWorld, PRISM, Careers Network, Green Team, SpeakUp, Collectively, and more Continuous learning - participate in our Graduate Development Program, Learners’ Community, and self-learning platforms Language courses - enhance your skills with courses in English, German, and Polish We know that if we are inclusive, we’re more connected, and if we are diverse, we’re more creative. We accept people for who they are, regardless of age, disabilities, gender identity, gender expression, marital status, mental health, race, faith or belief, sexual orientation, socioeconomic background, and whether you’re pregnant or on family leave. Find out more about life at Jacobs. As a Disability Confident employer, we will interview all disabled applicants who meet the criteria for a vacancy. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team recruitmentpoland@jacobs.com

🏢 Summary: The role focuses on designing and executing manual and automated testing for complex flood‑modelling software, including a Windows desktop application and a cloud‑based platform. You will build and maintain test automation, integrate tests into CI/CD pipelines, and ensure high product quality across functional and non‑functional areas. The position combines hands‑on QA work with automation development in a technically demanding, data‑intensive environment. 🗂️ Requirements: Proven experience as Software Test Engineer or QA Engineer, Strong hands-on experience in manual testing, Experience in exploratory and regression testing, Experience designing and maintaining test automation solutions, Practical experience with Python, Experience testing web applications with Selenium or equivalent, Experience testing Windows desktop applications, Ability to create structured test cases and defect reports, Understanding of Agile development processes, Experience integrating automated tests into CI/CD pipelines 📃 Skills: Python, Selenium, Windows, CI/CD, Azure, FlaUI, Agile, GIS, Hydrology, Hydraulics 🏢 Description: At Jacobs, we're embarking on an exciting journey as we initiate the development of our Digital & Data Hub in the heart of Krakow. Our mission is to undertake projects spanning various industries, including Consumer and Manufacturing, Defence and Security, Energy and Utilities, Financial Services, Government and Public Services, Health and Life Sciences, and Transport. You will be working on Flood Modeller , part of the Flood Platform ecosystem developed by Jacobs - a market‑leading solution used worldwide for river, surface water, and urban drainage modelling. Flood Modeller combines advanced hydrological and hydraulic modelling with an intuitive Windows‑based GIS desktop interface, enabling engineers to analyse flood risk, design mitigation measures, and support decision‑making for real‑world flood resilience challenges. The platform is used by public authorities, utilities, consultants, and insurers across multiple geographies. Responsibilities: Design, build, and evolve test automation solutions for complex flood‑modelling products, including: - Flood Modeller – an industry‑leading Windows application for flood risk and hydraulic modelling - Flood Platform – a cloud‑based solution for flood analysis, visualisation, and collaborative modelling Actively assess and balance manual vs. automated testing , ensuring effective coverage across functional, regression, and smoke testing Perform hands‑on exploratory, functional, and regression testing of new features and bug fixes Integrate automated tests into CI/CD pipelines to provide fast, reliable feedback on product quality Create and maintain test cases, scripts, and documentation , clearly describing intent, assumptions, and risks Log, triage, and analyse defects, working closely with developers to identify root causes and verify fixes Contribute to non‑functional testing , including performance, stability, installers, upgrades, and workflows in computation‑heavy scenarios Here's what you'll need: Proven experience as a Software Test Engineer/QA Engineer with a strong blend of manual and automated testing Solid hands‑on background in manual testing , including exploratory testing, regression testing, and validation of complex workflows Experience designing and maintaining automated test solutions Practical experience with Python , including writing and maintaining automated or regression tests Experience testing web applications using tools such as Selenium (or equivalent) Experience testing non‑web UI application s on Windows Ability to create clear and structured test cases, test plans, and defect reports Strong analytical and problem‑solving skills, particularly when working with complex or data‑intensive systems Good understanding of Agile software development lifecycles and close collaboration with development teams Nice to have: Experience testing engineering, scientific, or modelling software Exposure to UI automation for desktop applications (e.g. FlaUI or similar tools) Experience increasing automation coverage in long‑established or legacy products Familiarity with Azure DevOps and CI/CD‑driven testing workflows Understanding of risk‑based testing and quality gates in release processes We offer: Rewarding employment - full-time employment with a salary that matches your qualifications Hybrid work model - enjoy the flexibility of working mostly from home Flexible hours - start your day anytime between 7:30 and 10:00 AM Comprehensive benefits, including Lux Med medical care, psychological support, life insurance, My Benefit cafeteria system, Multisport card co-financing, and a car/bike park sharing system Co-financed holidays - enjoy "Wczasy pod Gruszą" for a well-deserved break Global projects - engage in exciting international projects Inclusive networks - join our diverse employee networks like Women's Network, OneWorld, PRISM, Careers Network, Green Team, SpeakUp, Collectively, and more Continuous learning - participate in our Graduate Development Program, Learners’ Community, and self-learning platforms Language courses - enhance your skills with courses in English, German, and Polish We know that if we are inclusive, we’re more connected, and we’re more creative.  We accept people for who they are.  Find out more about life at Jacobs . As a Disability Confident employer, we will interview all disabled applicants who meet the criteria for a vacancy. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team recruitmentpoland@jacobs.com

🏢 Summary: The role involves developing and maintaining a Windows desktop application for advanced flood modelling, combining .NET backend functionality with rich WPF/WinForms UI using DevExpress. You will work across backend and UI layers to deliver reliable, high‑performance features within an Agile product team. The position focuses on building and enhancing a market‑leading flood risk modelling platform used globally. 🗂️ Requirements: Strong experience with C# and .NET, Proven experience in Windows desktop development using WPF and/or WinForms, Hands-on experience with DevExpress controls, Understanding of MVVM or MVP architectural patterns, Knowledge of data binding and asynchronous programming, Experience with Git and pull request workflows, Ability to integrate backend logic with desktop UI 📃 Skills: C#, .NET, WPF, WinForms, DevExpress, MVVM, MVP, Git, Azure, YAML, NuGet, WiX, InnoSetup, FlaUI, SonarQube 🏢 Description: At Jacobs, we're embarking on an exciting journey as we initiate the development of our Digital & Data Hub in the heart of Krakow. Our mission is to undertake projects spanning various industries, including Consumer and Manufacturing, Defence and Security, Energy and Utilities, Financial Services, Government and Public Services, Health and Life Sciences, and Transport. You will be working on Flood Modeller , part of the Flood Platform ecosystem developed by Jacobs - a market‑leading solution used worldwide for river, surface water, and urban drainage modelling. Flood Modeller combines advanced hydrological and hydraulic modelling with an intuitive Windows‑based GIS desktop interface, enabling engineers to analyse flood risk, design mitigation measures, and support decision‑making for real‑world flood resilience challenges. The platform is used by public authorities, utilities, consultants, and insurers across multiple geographies. Responsibilities: Design, develop, and maintain .NET (C#) backend functionality and integrate it seamlessly with the desktop UI layer Build and evolve Windows desktop applications ( WPF and/or WinForms ) using DevExpress , following solid architectural patterns (MVVM/MVP) Define and implement clean UI–API contracts in close collaboration with backend engineers, Product Owners, and QA Ensure performance, reliability, and maintainability through debugging, defensive error handling, and code quality practices Improve usability, accessibility, and consistency of the UI, including localisation and theming Actively participate in code reviews , Agile ceremonies, and cross‑functional collaboration Here's what you'll need: Strong experience with C# and the .NET platform Proven background in Windows desktop development using WPF and/or WinForms Hands‑on experience with DevExpress controls (e.g. grids, editors, charts) Good understanding of MVVM/MVP , data binding, async programming, and UI state management Experience working with Git , pull requests, and collaborative code review workflows Ability to work end‑to‑end across backend logic and UI integration within product‑focused teams Nice to have: Working knowledge of CI/CD for .NET on Windows, using A zure DevOps Pipelines and/or GitHub Actions Familiarity with YAML pipelines covering build, test, and artifact publishing stages Experience with NuGet dependency management , including lock files and reproducible builds Exposure to Windows packaging and release automation, e.g. WiX Toolset or Inno Setup , including basic code signing concepts Basic experience with UI test automation (e.g. FlaUI ) or pipeline‑based smoke/regression testing Awareness of code quality tooling such as static analyzers, test coverage, or SonarQube/SonarCloud We offer: Rewarding employment - full-time employment with a salary that matches your qualifications Hybrid work model - enjoy the flexibility of working mostly from home Flexible hours - start your day anytime between 7:30 and 10:00 AM Comprehensive benefits, including Lux Med medical care, psychological support, life insurance, My Benefit cafeteria system, Multisport card co-financing, and a car/bike park sharing system Co-financed holidays - enjoy "Wczasy pod Gruszą" for a well-deserved break Global projects - engage in exciting international projects Inclusive networks - join our diverse employee networks like Women's Network, OneWorld, PRISM, Careers Network, Green Team, SpeakUp, Collectively, and more Continuous learning - participate in our Graduate Development Program, Learners’ Community, and self-learning platforms Language courses - enhance your skills with courses in English, German, and Polish We know that if we are inclusive, we’re more connected, and we’re more creative.  We accept people for who they are.  Find out more about life at Jacobs . As a Disability Confident employer, we will interview all disabled applicants who meet the criteria for a vacancy. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team recruitmentpoland@jacobs.com

🏢 Summary: Full-stack Developer role focused on stabilizing and modernizing an acquired application by working across Angular frontend and Node.js backend. The position involves rebuilding the frontend in TypeScript, resolving critical issues, and implementing new features using cloud-native and serverless solutions on GCP. The role supports architectural improvements and platform scalability within a modern CI/CD-driven environment. 🗂️ Requirements: Minimum 3 years of professional experience as Software Developer, Experience with Angular, Proficiency in JavaScript and TypeScript, Backend development experience with Node.js, Experience with cloud platforms (GCP, AWS or Azure), Understanding of REST APIs and asynchronous programming, Experience with NoSQL databases, Experience with serverless/cloud runtimes, Ability to work with and modernize legacy code, Willingness to participate in on-call rotation 📃 Skills: Angular, TypeScript, JavaScript, Node.js, GCP, CloudRun, CloudFunctions, Firestore, REST, NoSQL, CI/CD, APIs, AWS, Azure 🏢 Description: We are looking for a Full‑stack Developer to join the Digital & Data Hub in the Jacobs Krakow office and support the stabilization and further development of an acquired application. You will work across both the frontend and backend, helping resolve critical issues, participate in rebuilding the frontend into TypeScript, and support the introduction of new features and architectural improvements. This role is ideal for someone with solid hands‑on development skills who wants to grow while contributing to impactful platform modernization. Responsibilities: Develop and maintain frontend and backend features using Angular (migrating toward TypeScript ) and Node.js (TypeScript/JavaScript) Support stabilization efforts by diagnosing and resolving defects, performance issues, and architectural bottlenecks Participate in the redesign and refactor of existing components, including modernizing monolithic services Contribute to rebuilding the frontend into a more maintainable and scalable TypeScript‑based structure Implement backend logic using GCP Cloud Run and Cloud Functions Work with Firestore (NoSQL) to build efficient and reliable data workflows Collaborate closely with DevOps and architecture teams on platform improvements Work with modern development practices such as code reviews, unit testing, and CI/CD Ensure compliance with security and authentication standards (GCP-based authentication already implemented) Here's what you'll need: Min. 3 years of professional experience as a Software Developer Practical experience with Angular and JavaScript/TypeScript Solid knowledge of backend development using Node.js Experience with cloud‑based development (preferably GCP, AWS or Azure also acceptable) Understanding of APIs, REST principles, asynchronous programming, and cloud-native patterns Experience working with NoSQL databases ( Firestore is a plus) Familiarity with serverless/cloud runtimes (Cloud Functions, Cloud Run, Lambda, etc.) Willingness to work with legacy code and contribute to modernization Strong problem‑solving skills and ownership mindset Willingness to participate in an on-call rotation, including after-hours support for critical production incidents We offer: Rewarding employment - full-time employment with a salary that matches your qualifications Hybrid work model - enjoy the flexibility of working mostly from home Flexible hours - start your day anytime between 7:30 and 10:00 AM Comprehensive benefits, including Lux Med medical care, psychological support, life insurance, My Benefit cafeteria system, Multisport card co-financing, and a car/bike park sharing system Co-financed holidays - enjoy "Wczasy pod Gruszą" for a well-deserved break Global projects - engage in exciting international projects Inclusive networks - join our diverse employee networks like Women's Network, OneWorld, PRISM, Careers Network, Green Team, SpeakUp, Collectively, and more Continuous learning - participate in our Graduate Development Program, Learners’ Community, and self-learning platforms Language courses - enhance your skills with courses in English, German, and Polish We know that if we are inclusive, we’re more connected, and we’re more creative. We accept people for who they are.  Find out more about life at Jacobs . As a Disability Confident employer, we will interview all disabled applicants who meet the criteria for a vacancy. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team recruitmentpoland@jacobs.com

🏢 Summary: Hands-on Tech Lead role focused on designing and delivering scalable backend platforms and RESTful microservices for a global e-commerce and wellness technology ecosystem. The position involves technical leadership, backend development with Kotlin/Java and Spring Boot, mentoring engineers, and driving architecture decisions in a cloud-native environment. The role offers a hybrid work model in Warsaw with a competitive salary and benefits. 🗂️ Requirements: 6+ years of software development experience, Backend development experience with Java or Kotlin, Experience building and scaling RESTful microservices, Hands-on experience with Spring Boot, Hands-on experience with Docker, Hands-on experience with Kubernetes, Experience with AWS or GCP, Experience with PostgreSQL, MongoDB, DynamoDB, or Elasticsearch, Experience with unit testing and test-driven development, Experience with CI/CD pipelines, Experience leading technical projects and mentoring engineers, Ability to guide architecture decisions and delivery planning, Experience working in agile cross-functional teams 📃 Skills: Kotlin, Java, Spring, SpringBoot, Microservices, Docker, Kubernetes, AWS, GCP, PostgreSQL, MongoDB, DynamoDB, Elasticsearch, CI/CD, Datadog, REST, TDD, DevOps, Agile 🏢 Description: We are hiring on behalf of our client, a global innovator in fitness and wellness technology. Their mission is to empower people to live fit, strong, long, and happy lives by delivering integrated experiences to millions of members anytime, anywhere. We are looking for a Kotlin/Java Tech Lead to join an e-commerce engineering team. In this role, you will lead the design and delivery of scalable backend platforms and services powering the company's customer-facing commerce experience across web, retail, and other sales channels. This is a hands-on technical leadership role. You will guide engineering decisions, mentor other engineers, partner closely with product and design, and help the team deliver high-impact initiatives with strong engineering quality, scalability, and reliability. Key takeaways: Stack: Kotlin/Java, Spring Boot, microservices, Docker, Kubernetes, AWS, PostgreSQL, CI/CD, Datadog, technical leadership experience Salary: 26 000 PLN - 30 000 PLN gross on the Contract of Employment Working model : Hybrid - 3 days/week from the office Location: ul. Grzybowska, Warsaw Recruitment process : A call with MOTIFE Recruiter Panel interviews with the team (coding, architecture, and cross-collaboration interviews) Responsibilities: Technical Leadership Lead the delivery of small to large engineering initiatives, from technical discovery through implementation and production readiness. Guide the team in making strategic backend architecture decisions that support scalability, performance, and long-term maintainability. Own technical trade-offs and ensure solutions are aligned with business goals, user needs, and engineering standards. Mentor engineers through design reviews, code reviews, and day-to-day technical collaboration. Backend Engineering Build and improve backend platforms and services. Design and scale RESTful microservices used across web, retail, and other sales channels. Develop backend services using technologies such as Java, Kotlin, Spring Boot, Docker, and Kubernetes. Work with data stores such as PostgreSQL, MongoDB, DynamoDB, Elasticsearch, or similar technologies. Delivery & Product Collaboration Partner closely with product managers, designers, and peer engineers to scope, build, and deliver end-to-end features. Translate product strategy and business requirements into reliable, scalable technical solutions. Drive iterative delivery in an agile engineering environment. Maintain strong relationships with stakeholders and ensure clear communication around scope, risks, and delivery progress. Engineering Excellence Promote strong engineering practices, including unit testing, test-driven development, CI/CD, observability, and production ownership. Apply a DevOps mindset to build services that are reliable, observable, and easy to operate. Requirements: Technical Expertise 6+ years of professional software development experience. Strong backend engineering experience with Java or Kotlin. Proven experience building and scaling RESTful microservices. Hands-on experience with Spring Boot, Docker, and Kubernetes. Experience with cloud infrastructure such as AWS or GCP. Familiarity with data stores such as PostgreSQL, MongoDB, DynamoDB, Elasticsearch, or similar technologies. Experience with unit testing, test-driven development, and CI/CD pipelines. Leadership Experience Experience leading engineers to deliver high-impact technical projects. Proven ability to mentor junior and mid-level engineers and support their technical growth. Ability to guide technical decision-making, architecture discussions, and delivery planning. Experience with end-to-end feature ownership in a cross-functional product environment. Collaboration & Mindset Strong communication skills and ability to work effectively with product, design, and engineering stakeholders. Agile mindset with a strong focus on iterative design and delivery. High ownership, strong delivery orientation, and ability to operate in a fast-moving engineering environment. Strong desire to learn, share knowledge, and help engineers achieve their highest potential. What we offer: 100% paid medical care Multisport Creative tax (KUP) Home office allowance MacBook Pro Apply now If you enjoy technical leadership, hands-on backend engineering, and building platforms used at scale, this role is a strong opportunity to make a real impact. Please apply via our careers page and submit your CV in English.

🏢 Summary: Lead Java Engineer role focused on designing and delivering enterprise-scale, distributed backend systems for real-time financial risk analytics. The position combines hands-on development with technical leadership, driving architecture, performance optimization, and DevOps practices. You will build scalable, low-latency solutions using modern Java technologies within a message-driven, containerized environment. 🗂️ Requirements: 8+ years experience in enterprise-scale distributed backend development, Expert knowledge of Java 11+, Hands-on experience with Spring ecosystem, Strong SQL skills and experience with Microsoft SQL Server, Experience with message-driven architectures, Experience with Kafka or similar messaging systems, Experience with CI/CD tools and practices, Proficiency with Git version control, Experience with Docker and Kubernetes or OpenShift, Proven experience leading technical initiatives and mentoring engineers 📃 Skills: Java, Spring, SpringBoot, SpringSecurity, SQL, MicrosoftSQLServer, Kafka, RabbitMQ, Redis, ApachePinot, Git, Jenkins, Tekton, Docker, Kubernetes, OpenShift, Unix, Linux, Shell 🏢 Description: The Opportunity: Shape the Future of Financial Risk Analysis Join our team at the forefront of financial technology, where we build and maintain the critical platform for Prime Services Risk and Business Intelligence. Our systems are the analytical engine that empowers the firm to manage risk, serve our clients, and make data-driven decisions in a complex, fast-paced market. We are a global team of innovators and problem-solvers who design and operate sophisticated, computing-intensive solutions to analyze the risk profiles of our clients. This is not just another development role; this is a chance to work on a platform that is fundamental to the firm's stability and success. You will tackle challenging problems in distributed systems, real-time data processing, and financial analytics at scale. We are looking for a passionate and experienced Lead Java Engineer to not only contribute to our codebase but also to drive technical direction, mentor our team, and own the delivery of robust, scalable solutions. Key Responsibilities: As a Lead Engineer, you will be at the heart of our technical decision-making and delivery process. Architect & Build: Design, develop, and own end-to-end software solutions using Java and the Spring ecosystem. You will be responsible for creating services that are not only functional but also resilient, performant, and scalable. Lead & Mentor: Act as a technical leader within the team. Guide architectural discussions, lead sub-teams on complex projects, and actively mentor junior engineers through constructive code reviews and knowledge-sharing sessions. Drive Performance: Engineer high-throughput, low-latency systems. You will optimize applications for maximum speed, design efficient data models in Microsoft SQL Server, and implement intelligent caching strategies (e.g., Redis) to ensure our platform operates at peak performance. Embrace Real-Time Data: Harness the power of our message-driven architecture using Kafka. You will build and maintain data pipelines that feed our real-time analytics engine, powered by Apache Pinot, to deliver instantaneous insights to our business users. Champion DevOps & Automation: Contribute to and enhance our CI/CD pipelines, leveraging internal platforms and Git for seamless integration and deployment. You will deploy and manage applications on our OpenShift container platform, embracing a true DevOps culture. Integrate & Collaborate: Work across teams to integrate with a wide array of upstream data sources and downstream consumers. You will collaborate closely with project managers, business analysts, and senior stakeholders to translate complex requirements into well-architected technical solutions. Own & Support: Take ownership of the full application lifecycle, including providing critical application support. You will leverage your growing knowledge of margin methodology and risk analytics to troubleshoot and resolve production issues effectively. Qualifications: Extensive Backend Experience: 8+ years of professional experience designing, building, and deploying enterprise-scale, distributed backend systems. Java Expertise: Deep, hands-on knowledge of modern Java (11+) and the Spring ecosystem (Spring Boot, Spring Security, etc.). Database Proficiency: Strong command of SQL and experience with relational databases, particularly Microsoft SQL Server. You should be adept at writing optimized queries and designing efficient schemas. Messaging & Asynchronous Systems: Proven experience working in message-driven architectures with technologies like Kafka, RabbitMQ, or similar. Leadership & Mentorship: A demonstrated track record of leading technical initiatives, making architectural decisions, and mentoring other engineers. Your experience should show that you are a force multiplier for your team. DevOps Mindset: Solid experience with CI/CD principles and tools (e.g., Jenkins, Tekton), and version control with Git. Experience with containerization and orchestration (Docker, Kubernetes, OpenShift) is essential. Strong Communication: Excellent verbal and written communication skills, with the ability to articulate complex technical concepts to both technical and non-technical audiences. Preferred Qualifications (The "Wow" Factor): Financial Domain Knowledge: Experience or a strong interest in the Finance Sector, especially concepts related to Prime Finance, Counterparty Risk, or Market Risk. Advanced Education: An advanced degree (M.S. or Ph.D.) in Computer Science, Engineering, Mathematics, or a related quantitative field. Real-Time Analytics Experience: Hands-on experience with OLAP datastores like Apache Pinot. Scripting & Automation: Proficiency in Unix/Linux environments and shell scripting. Agile Experience: Experience working in a fast-paced, Agile/Scrum environment, managing priorities, and delivering under tight deadlines. What We Offer: Impactful Work: The opportunity to work on a business-critical platform that has a direct and measurable impact on the firm's bottom line and risk posture. Technical Challenges: A continuous stream of complex and intellectually stimulating challenges in the realms of distributed computing, big data, and financial modeling. Modern Tech Stack: Access to a modern, evolving tech stack with the freedom to innovate and introduce new technologies and patterns. Career Growth: A commitment to your professional development with a clear path for growth into senior technical leadership or management roles. Collaborative Culture: A supportive and collaborative global team that values diversity of thought, continuous learning, and mutual respect. Competitive Compensation: A competitive salary, performance-based bonus, and a comprehensive benefits package - details below. By joining Citi Solutions Center Poland, you will not only be part of a business casual workplace with a hybrid working model (currently up to 2 days working at home per week), but also (potentially, subject to final offer) receive a competitive base salary and enjoy a whole host of additional benefits which can include: Employer paid Defined Contribution Pension Plan contribution of 6% of employee’s pensionable earnings (PPE Program) Employer paid Private Medical Care Package for employees and Private Medical Care Packages for certain family members available at preferential rates Employer paid Life Insurance Program for employees and Life Insurance for certain family members available at preferential rates Employee Assistance Program financed by Employer Paid Parental Leave Program (maternity and paternity leave; statutory and 2 weeks additional paid paternity leave) Sport Card for employees subsidized via Social Benefits Fund and Sport Cards for certain family members available at preferential rates Additional benefits from Company’s Social Benefit Fund, in particular: Holidays Allowance, support for sport and cultural activities, team building events. Additional day off for volunteering Cafeteria/ flex benefit – a company benefits system which enables employees to select and purchase benefits offered by a provider and available for employees on the platform. Opportunity to receive an annual discretionary incentive award Special offers and discounts for employees Copy and paste the URL below into a new tab on your web browser to view the Remuneration Regulations extract: https://tbcdn.talentbrew.com/company/287/cms/v3/docs/policies/RemunerationRegulations-KeyProvisions-CitibankEurope_plc_05012025_A.pdf Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self every day. We want the best talent around the world to be energized to join us, motivated to stay, and empowered to thrive. Sounds like Citi has everything you need? Then apply to discover the true extent of your capabilities. #LI-KK1 ------------------------------------------------------ Job Family Group: Technology ------------------------------------------------------ Job Family: Applications Development ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Primary Location Full Time Salary Range: 268 390,00 zł - 457 010,00 zł ------------------------------------------------------ Most Relevant Skills Please see the requirements listed above. ------------------------------------------------------ Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ Automated Processing and AI We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi. Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details. ------------------------------------------------------ This job opening is for an existing job vacancy. ------------------------------------------------------ Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi . View Citi’s EEO Policy Statement and the Know Your Rights poster.