April 8, 2026
Technical Lead Applications Engineer
Senior • Hybrid
Krakow, Poland
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.
Jacobs has acquired StreetLight Data, a mobility analytics solution provider - marking the company’s second strategic acquisition in recent months and building on its strong foundation of existing technology and data capabilities.
We are looking for a highly skilled Technical Lead Applications Engineer to join our growing team. This is a hands-on leadership role, primarily focused on back-end development of our SaaS web applications, with occasional involvement in front-end tasks. Beyond coding, you will set the technical direction for the team, make key architectural decisions, mentor junior engineers, and coordinate cross-team efforts to ensure high quality delivery.
Key Responsibilities:
Design, implement, and maintain customer-facing features, including both frontend and backend components, in the StreetLight SaaS web applications (InSight Planning and Insight Operations) and their analytics data pipeline
Provide technical leadership and drive architectural decisions to ensure code quality, performance, and scalability
Strong backend development experience including proficiency with relational databases
Author and review technical designs, conduct thorough code reviews to uphold engineering excellence
Deliver product releases and fixes to production as needed
Interface among our San Francisco, Vancouver, Bangalore, and Eastern European teams, and mentor more junior engineers
Write automated unit tests and participate in peer design and code reviews
Collaborate as needed 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 and Streetlight Insight Operations 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
7+ years of experience as a Software Engineer at a software product company, preferable in an enterprise market
5+ years of experience developing web-based SaaS applications
Competence and experience in both frontend and 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
Competence and experience in handling data pipelines including experience with data streaming technologies and batch processes
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
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
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Hybrid
Krakow, MA, Poland
🏢 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
Healthcare
Jacobs
Senior QA Automation Engineer
Senior
Hybrid
Krakow, Poland
🏢 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
Technology
Roche
SW Technical Lead - Data Platforms
Senior
Hybrid
Warsaw, Poland
19,075 - 35,425 PLN
🏢 Summary: Senior Technical Lead role focused on defining and driving the architectural evolution of data platforms toward microservices while ensuring high performance, security, and scalability. The position provides strategic technical direction, mentors engineers, and leads large-scale, cross-functional initiatives aligned with business goals. It emphasizes AI-ready data solutions, strong engineering standards, and global technical impact. 🗂️ Requirements: 10+ years experience in cross-functional technical leadership, Deep understanding of data processing principles, Experience building solutions for data experts, Expertise in multiple technology areas, Proficiency in Java and Spring Boot, Experience with Angular, Experience with AWS and ECS, Experience with Docker and PostgreSQL, Knowledge of event-driven architecture, Strong understanding of SDLC, scalability and performance tuning, Knowledge of cybersecurity best practices, Experience with software validation and quality management, Fluent English 📃 Skills: Java, Spring, Angular, AWS, ECS, Docker, PostgreSQL, GitOps, Microservices, Event-driven, AI, SDLC, Cybersecurity 🏢 Description: SW Technical Lead - Data Platforms As a Custom Software Developer, you will act as a strategic leader and innovator. You will define tasks for others, drive large-scale initiatives, and mentor colleagues to foster growth. This role involves providing global-level support for technical initiatives, sharing knowledge internationally, and shaping the organization's technical direction. You will possess deep expertise across multiple technology areas, set high standards for code quality and security, and remove obstacles for teams, continuously improving developer productivity and the overall software development lifecycle. The Opportunity: Scope: Provide strategic technical guidance and set the direction for digital product development in alignment with business goals and priorities. Architectural Evolution: Lead the strategic transition from a modular monolith to microservices, ensuring domain boundaries are respected and performance remains high. Take ownership of the development of new components and ideas as you cooperate with a multidisciplinary team to deliver end-to-end experiences to the End Users. Accountability/Problem Solving: Define tasks for others and drive successful Medium to Large (M/L) initiatives at the Product or Product Line level. Challenge others in a growth-enabling way, leverage team strengths effectively, and act as a coach and/or lead for others. Stakeholder Management: Possess a strong grasp of stakeholder ecosystems and their needs, excelling in negotiations and partnerships for mutual benefits. Provide direction for mid- to long-term goals and objectives. Impact/Strategy: Provide global-level support for innovative and technological initiatives. Give speeches and share knowledge in local/international events and knowledge-sharing initiatives, and actively engage in RDT Data Domain/Site-related activities. Complexity/ (Product Size): Operate at the Product / Domain / Site level. Business/Technical ability: Actively contribute to the advancement of technical knowledge within the field through publications, presentations, and mentorship (for example, by serving as a capability owner). Inspire innovation, drive innovative solutions in line with technology trends, and focus on designing new approaches to existing problems. Who you are: 10+ years proven experience driving cross-functional collaboration to solve organization-wide technical problems and aligning disparate engineering efforts toward common goals. Possess a deep understanding of data processing principles and AI-readiness data needs. Hold experience in building solutions for data experts (e.g., Data Owners, Data Consumers, Data Product Owners, and Digital Asset Management). Exhibit deep expertise in multiple technology areas and the ability to select and apply appropriate technologies to solve complex problems. Maintain proficiency in Java, Spring Boot, Angular, AWS, ECS, Docker, PostgreSQL, GitOps, Event-driven architecture, or similar technologies. Demonstrate a strong understanding of software development lifecycle practices, including performance tuning and scalability. Leverage excellent knowledge of market-available software development tooling to suggest adoption into the current Roche toolset, continuously improving developer productivity and experience Roche-wide. Apply expertise in cybersecurity best practices, ensuring that software solutions comply with security standards in coordination with appropriate Roche experts. Possess comprehensive knowledge of software validation, regulatory processes, and software quality management practices. Demonstrate a strong ability to remove obstacles for technical teams, empowering them to deliver exceptional products. Exhibit a proven ability to anticipate future technical challenges and opportunities, proactively developing strategies and solutions to keep the organization at the forefront. Fluency in English. What you get: Employment contract (Umowa o pracę). Annual bonus payment based on your performance. Private healthcare ( LuxMed packages), group life insurance (UNUM) and Multisport. Recharge Fridays (2 Fridays off per quarter). Take Time Program (up to 3 months of leave to use for any purpose). Flex Location (possibility to perform our work from different places in the world for a certain period of time). Take Time for Charity (additional paid leave of maximum 2 weeks to engage in the charity action of your choice). Stock share purchase additions. Yearly sales of company equipment and many more! INTERESTED? APPLY! If you feel this offer suits a friend of yours, feel free to share it. The controller of your personal data is Roche Polska Sp. z o.o., ul. Domaniewska 28, 02-672 Warsaw. The data is processed for the purpose of recruitment. You have the right to access your data, rectify it, delete it, limit processing, transfer it and - if processing is based on your consent - withdraw this consent at any time. Contact the Data Protection Officer at: Ochrona.danych@roche.com. More information on the principles of processing your personal data by Roche at the link: https://www.roche.pl/pl/content/klauzula-informacyjna-rekrutacja-en.html Roche Polska sp. z o.o. operates in full compliance with the law and does not tolerate any violations. Roche Polska sp. z o.o. has implemented a Procedure for Reporting Violations of Law. If you wish to report any irregularities related to our activities, all necessary information regarding the reporting process can be found on our website: https://www.roche.pl/kontakt/ochrona-sygnalistow-zglaszanie-naruszen .
Technology
State Street
Lead Software Development Engineer, Vice President
Senior
Hybrid
Krakow, Poland
282,000 - 282,000 PLN/yr
🏢 Summary: Lead the design and development of a scalable, cloud-native data processing platform using Apache Spark and Databricks. The role covers full software development lifecycle ownership, architectural leadership, and implementation of enterprise-scale distributed data solutions. It also involves driving innovation with AI/ML and ensuring performance, security, and reliability of data systems. 🗂️ Requirements: BS/MS in Computer Science or related field, 10+ years experience in large-scale data processing and distributed computing, Hands-on experience with Apache Spark and Databricks, Strong programming skills in Java, Strong programming skills in Python, Experience with UNIX/Linux and Bash scripting, Experience with event-driven architecture, Experience with real-time data streaming systems, Experience with OLAP and OLTP databases, Knowledge of distributed systems concepts, Experience designing cloud-native enterprise solutions, Understanding of data security principles, Experience with batch and real-time data processing, Experience with CI/CD and DevOps practices 📃 Skills: Spark, Databricks, Java, Python, UNIX, Linux, Bash, Kafka, SQS, Kinesis, OLAP, OLTP, Scala, MATLAB, MCR, CI/CD, DevOps, AI, MachineLearning, Encryption 🏢 Description: Who we are looking for We are looking for an experienced Application Development Lead with deep technical expertise to join State Street Data Intelligence Team. The candidate will play a key role in designing, building and maintaining a robust and scalable data processing platform and end-to-end solutions using Apache Spark, Databricks, and other related big data and distributed computing technologies. What you will be responsible for The candidate will be deeply involved in all phases of the software development lifecycle, including scope definition, requirements analysis, functional and technical design, application implementation, unit testing, production deployment and support. Provide architectural direction across development teams and lead technical design reviews. Participate in strategic planning, technical roadmap development, and system architecture reviews. Ensure all technical solutions exhibit higher level of efficiency, performance, security, scalability, and reliability. Collaborate with cross-functional teams to define technical requirements and ensure successful project execution. Leverage AI and Machine Learning tools to drive platform innovation. Stay current with industry best practices; evaluate emerging tools for strategic benefit. What we value Capability of working independently in all phases of the software development lifecycle (including: scope definition, requirements analysis, functional and technical design, application implementation, unit testing, production deployment and support). Proven track record designing and building cloud-native enterprise-scale data computing solutions. Strong leadership skills, analytical problem-solving skills, quick to learn and adapt. Self-motivated, creative problem solver, organized, collaborative with excellent communication skills. Education & Preferred Qualifications BS/MS in Computer Science or equivalent field 10+ years of experience in designing and building large scale data processing and distributed computing solutions (Apache Spark, Databricks). Strong programming skills in Java and Python Familiarity with UNIX/Linux and Shell (e.g. Bash) scripting In-depth knowledge of event-driven architecture and real-time data streaming (e.g. Kafka, AWS SQS, Kinesis). Strong experience OLAP and OLTP Databases and storage solutions. Additional advantage Functional programming experience (e.g. Scala) Hands-on experience with MATLAB and MCR. Hands-on experience with CI/CD and DevOps. Successful candidates can demonstrate Deep understanding of distributed system concepts like concurrency, fault-tolerance, and data consistency models. Deep understanding of cloud-native and system integration design patterns, with the ability to apply patterns to build scalable, maintainable, and secure cloud applications. Solid understanding of data security principles including encryption, key management, and secure design principles. Strong understanding of application monitoring, observability, and alerting practices to ensure system reliability, performance, and rapid incident response. Strong experience with batch and real-time data processing, focusing on data quality. Hands-on experience with system and application performance optimization. Note: The role requires a minimum of three days per week working from the office Minimum Salary: zł282,000 Annual The minimum salary quoted above applies to the role in the primary location specified. If the candidate ultimately works outside of this primary location, the applicable minimum salary may differ. Salary will be determined based on factors such as the position, type of work performed, individual skills, job description, working hours, diligence, initiative, self-management, length of employment, availability, and the quantity and quality of work delivered, as well as other objective and non-discriminatory criteria relevant to State Street employees. In addition to salary, employees are eligible to be considered for discretionary annual performance-based awards. We Offer: Permanent contract from day one Additional holidays (Birthday Day Off, 3rd and 5th year anniversary Day Off) Gold Medical Package for employees and their families (partner and children) Premium life insurance package and private pension plan Wide range of soft skills training, technical workshops, language classes and development programs Opportunities to volunteer your time to company-driven initiatives, employee networks or organizations of your choice Variety of well-being programs Additional benefits available depending on the seniority of the role About State Street Across the globe, institutional investors rely on us to help them manage risk, respond to challenges, and drive performance and profitability. We keep our clients at the heart of everything we do, and smart, engaged employees are essential to our continued success. We are committed to fostering an environment where every employee feels valued and empowered to reach their full potential. As an essential partner in our shared success, you’ll benefit from inclusive development opportunities, flexible work-life support, paid volunteer days, and vibrant employee networks that keep you connected to what matters most. Join us in shaping the future. As an Equal Opportunity Employer, we consider all qualified applicants for all positions without regard to race, creed, color, religion, national origin, ancestry, ethnicity, age, disability, genetic information, sex, sexual orientation, gender identity or expression, citizenship, marital status, domestic partnership or civil union status, familial status, military and veteran status, and other characteristics protected by applicable law. Discover more information on jobs at StateStreet.com/careers Read our CEO Statement State Street's Speak Up Line Załącznik do standardu Whistleblowing i Speak Up SSBI GmbH dla Oddziału w Polsce