Senior Software Engineer (Python, Spark)

🏢 Summary: The offer is for a Software Engineer to modernize and develop cloud-hosted backend services for a mission-critical aviation platform used globally. The role focuses on building scalable, resilient, cloud-native solutions in AWS, improving automation, CI/CD, and Kubernetes-based environments. You will contribute to transforming a legacy system into a modern, secure, and highly scalable ecosystem. 🗂️ Requirements: Experience developing backend applications in cloud environments, Hands-on experience with Linux, Docker, Apache, PHP, Strong knowledge of AWS and cloud-native architectures, Experience with Kubernetes and containerized workloads, Experience with CI/CD and Infrastructure as Code, Knowledge of cloud security and monitoring practices, Ability to troubleshoot production systems, English B2 level or higher 📃 Skills: AWS, Linux, Docker, Apache, PHP, Kubernetes, CI/CD, IaC, SQL, MySQL, SQLServer, AI 🏢 Description: We are looking for a Software Engineer to join a team responsible for modernizing a mission-critical aviation platform used by tens of thousands of customers worldwide. You will help design, build, and evolve cloud-hosted backend services that support the distribution of aviation data across desktop, mobile, and aircraft-connected workflows. This is a unique opportunity to work on a high-impact product while contributing to a large-scale modernization initiative focused on cloud-native architecture, automation, scalability, security, and operational excellence. Working closely with cross-functional teams, you will help transform a well-established platform into a modern, resilient, and highly scalable ecosystem capable of supporting future growth and new product offerings. Key responsibilities Develop and modernize backend services hosted in AWS Design and implement scalable, resilient cloud-native solutions Build and improve APIs, integrations, and automated backend processes Enhance CI/CD pipelines, infrastructure automation, monitoring, and observability Manage and troubleshoot Kubernetes-based environments and containerized applications Support production systems and drive reliability, security, and operational improvements Collaborate with product, mobile, desktop, QA, and DevOps teams to deliver high-quality solutions Leverage AI-assisted development tools to improve engineering efficiency while maintaining high standards of quality and security Ideal candidate profile Experience developing backend applications in cloud environments Hands-on experience with Linux, Docker, Apache, and PHP or Java Strong knowledge of AWS and cloud-native architectures Experience with Kubernetes and containerized workloads Experience with CI/CD, Infrastructure as Code, and automation Understanding of cloud security, monitoring, and production support practices Strong troubleshooting and problem-solving skills Ability to work independently and collaborate within distributed teams English min. B2. Nice to Have: Experience modernizing legacy applications and services Experience with SQL Server and MySQL Experience building highly available and resilient production systems Experience using AI-assisted software development tools Conditions Employment type: B2B or UoP Location: Gdańsk Work model: 1 day a week in the office in Gdańsk or less frequently, depending on your availability Salary: up to 190 PLN net/h Benefits: life insurance, private healthcare, Multisport card Recruitment steps Recruitment call with Agnieszka from KUBO Client interview (may require 2 rounds) Feedback and decision

🏢 Summary: Opportunity to modernize a mission-critical aviation platform by designing and developing cloud-hosted backend services in a scalable, cloud-native AWS environment. The role focuses on building resilient APIs, improving automation and CI/CD pipelines, and managing Kubernetes-based infrastructure to support global aviation data distribution. You will contribute to a large-scale modernization initiative emphasizing scalability, security, and operational excellence. 🗂️ Requirements: Experience developing backend applications in cloud environments, Hands-on experience with Linux, Docker, Apache, and PHP or Java, Strong knowledge of AWS and cloud-native architectures, Experience with Kubernetes and containerized workloads, Experience with CI/CD and Infrastructure as Code, Understanding of cloud security, monitoring, and production support practices, Strong troubleshooting and problem-solving skills, English proficiency at minimum B2 level 📃 Skills: AWS, Linux, Docker, Apache, PHP, Java, Kubernetes, CI/CD, IaC, SQL, SQLServer, MySQL, AI 🏢 Description: We are looking for a Software Engineer to join a team responsible for modernizing a mission-critical aviation platform used by tens of thousands of customers worldwide. You will help design, build, and evolve cloud-hosted backend services that support the distribution of aviation data across desktop, mobile, and aircraft-connected workflows. This is a unique opportunity to work on a high-impact product while contributing to a large-scale modernization initiative focused on cloud-native architecture, automation, scalability, security, and operational excellence. Working closely with cross-functional teams, you will help transform a well-established platform into a modern, resilient, and highly scalable ecosystem capable of supporting future growth and new product offerings. Key responsibilities Develop and modernize backend services hosted in AWS Design and implement scalable, resilient cloud-native solutions Build and improve APIs, integrations, and automated backend processes Enhance CI/CD pipelines, infrastructure automation, monitoring, and observability Manage and troubleshoot Kubernetes-based environments and containerized applications Support production systems and drive reliability, security, and operational improvements Collaborate with product, mobile, desktop, QA, and DevOps teams to deliver high-quality solutions Leverage AI-assisted development tools to improve engineering efficiency while maintaining high standards of quality and security Ideal candidate profile Experience developing backend applications in cloud environments Hands-on experience with Linux, Docker, Apache, and PHP or Java Strong knowledge of AWS and cloud-native architectures Experience with Kubernetes and containerized workloads Experience with CI/CD, Infrastructure as Code, and automation Understanding of cloud security, monitoring, and production support practices Strong troubleshooting and problem-solving skills Ability to work independently and collaborate within distributed teams English min. B2. Nice to Have: Experience modernizing legacy applications and services Experience with SQL Server and MySQL Experience building highly available and resilient production systems Experience using AI-assisted software development tools Conditions Employment type: B2B or UoP Location: Gdańsk Work model: 1 day a week in the office in Gdańsk or less frequently, depending on your availability Salary: up to 190 PLN net/h Benefits: life insurance, private healthcare, Multisport card Recruitment steps Recruitment call with Agnieszka from KUBO Client interview (may require 2 rounds) Feedback and decision

🏢 Summary: Senior Software Engineer role focused on building and modernizing strategic backend platforms that connect operational and regulatory systems, supporting a multiyear cloud migration roadmap. The position involves designing scalable, data-driven solutions in Java within an Agile team, leveraging cloud and DevOps practices. The role follows a hybrid model with 3 days per week onsite in Wroclaw or Krakow. 🗂️ Requirements: Bachelor’s degree in Computer Science or relevant certification, Strong back-end development experience in Java, Experience with DevOps CI/CD pipelines, Hands-on experience with Azure DevOps, GitHub, or GitLab, Practical experience with Test-Driven Development (TDD), Experience delivering solutions on Azure, AWS, or GCP, Solid understanding of cloud architecture, Knowledge of software design principles, Experience with data streaming and real-time or batch processing 📃 Skills: Java, Azure, AWS, GCP, CI/CD, AzureDevOps, GitHub, GitLab, TDD, Databricks, Kubernetes, DataStreaming, BatchProcessing, Cloud, DevOps 🏢 Description: We are looking for a Senior Software Engineer to join an agile team focused on developing strategic technology solutions that connect operations and regulatory systems. Our work plays a crucial role in enabling the client to meet regulatory obligations and unlock value from its wealth of data. The project is part of a multiyear roadmap to migrate to cloud technology and enhance existing platforms. You’ll work in a small, autonomous Agile team with colleagues across global locations, in an inclusive and collaborative environment. If you are passionate about innovation and continuous learning, we want to hear from you. This role offers a hybrid model, with 3 days per week working from the client's office in Wroclaw or Krakow. Responsibilities Design and develop strategic platform features that enable seamless trade execution flows between core systems, transforming epics and features into robust solutions Collaborate closely with agile team members during sprints to iteratively deliver product requirements Work with the product team to understand, refine, and implement required functionality Engineer solutions that leverage cloud technologies as part of a multiyear migration and modernization roadmap Develop and optimize data-driven applications, ensuring the client can unlock value from its wealth of data Utilize Java and related technologies to build scalable, high-performance backend services Requirements Bachelor’s degree in Computer Science or a relevant certification Strong back-end development experience in Java Proven experience with DevOps CI/CD pipelines and tools such as Azure DevOps, GitHub, or GitLab Solid understanding and hands-on experience with Test-Driven Development (TDD) Well-versed in cloud architecture, with delivery experience on Azure (preferred), AWS, or GCP Strong grasp of software design principles Experience working with modern technologies such as data streaming, real-time and batch processing; familiarity with Databricks and Kubernetes is a plus We offer/Benefits We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: Software Engineer role focused on modernizing a mission-critical aviation platform by developing cloud-hosted backend services and scalable cloud-native solutions in AWS. The position involves backend modernization, Kubernetes and container management, CI/CD automation, and operational reliability improvements in a distributed engineering environment. The role offers hybrid work flexibility, B2B or UoP employment, and benefits including healthcare and life insurance. 🗂️ Requirements: Experience developing backend applications in cloud environments, Strong knowledge of AWS and cloud-native architectures, Hands-on experience with Linux, Hands-on experience with Docker, Hands-on experience with Apache, Hands-on experience with Java, Hands-on experience with Spring Boot, Experience with Kubernetes and containerized workloads, Experience with CI/CD, Experience with Infrastructure as Code, Experience with automation, Understanding of cloud security, Understanding of monitoring and production support practices, Strong troubleshooting and problem-solving skills, Ability to work independently and collaborate within distributed teams, English level B2 or higher 📃 Skills: AWS, Linux, Docker, Apache, Java, Spring, Kubernetes, CI/CD, IaC, Automation, SQL, MySQL, Security, Monitoring 🏢 Description: We are looking for a Software Engineer to join a team responsible for modernizing a mission-critical aviation platform used by tens of thousands of customers worldwide. You will help design, build, and evolve cloud-hosted backend services that support the distribution of aviation data across desktop, mobile, and aircraft-connected workflows. This is a unique opportunity to work on a high-impact product while contributing to a large-scale modernization initiative focused on cloud-native architecture, automation, scalability, security, and operational excellence. Working closely with cross-functional teams, you will help transform a well-established platform into a modern, resilient, and highly scalable ecosystem capable of supporting future growth and new product offerings. Key responsibilities Develop and modernize backend services hosted in AWS Design and implement scalable, resilient cloud-native solutions Build and improve APIs, integrations, and automated backend processes Enhance CI/CD pipelines, infrastructure automation, monitoring, and observability Manage and troubleshoot Kubernetes-based environments and containerized applications Support production systems and drive reliability, security, and operational improvements Collaborate with product, mobile, desktop, QA, and DevOps teams to deliver high-quality solutions Leverage AI-assisted development tools to improve engineering efficiency while maintaining high standards of quality and security Ideal candidate profile Experience developing backend applications in cloud environments Strong knowledge of AWS and cloud-native architectures Hands-on experience with Linux, Docker, Apache, Java and Spring Boot Experience with Kubernetes and containerized workloads Experience with CI/CD, Infrastructure as Code, and automation Understanding of cloud security, monitoring, and production support practices Strong troubleshooting and problem-solving skills Ability to work independently and collaborate within distributed teams English min. B2. Nice to Have: Experience modernizing legacy applications and services Experience with SQL Server and MySQL Experience building highly available and resilient production systems Experience using AI-assisted software development tools Conditions Employment type: B2B or UoP Location: Gdańsk Work model: 1 day a month in the office in Gdańsk or less frequently, depending on your availability Salary: 190 PLN net/h - to negotiate Benefits: life insurance, private healthcare, Multisport card

🏢 Summary: Senior Software Engineer role focused on migrating a legacy system to Microsoft Azure and developing enterprise-grade solutions using Angular and .NET in a global, large-scale environment. The position involves full-stack development, Azure cloud services, and building high-performance, secure, and scalable systems. The project is long-term, fully remote, and based on Scrum methodology. 🗂️ Requirements: Full-stack development experience in large-scale enterprise systems, Strong experience with .NET Core and .NET Framework, Front-end development experience with Angular or Razor, Hands-on experience with Azure services (Function Apps, Logic Apps, Event Grid, Service Bus), Experience with Service-Oriented Architecture (SOA), Knowledge of Design Patterns, SOLID principles, and Domain-Driven Design, Experience with event-driven, microservices, and serverless architectures, Experience building high-volume, low-latency REST APIs with ASP.NET Web API, Experience with ORM tools, preferably EF Core 📃 Skills: C#, .NET, .NETCore, Angular, Razor, Azure, FunctionApps, LogicApps, EventGrid, ServiceBus, ASP.NET, WebAPI, EFCore, SOA, REST, Microservices, Serverless, SQL, NoSQL 🏢 Description: As the Senior Software Engineer, You will be responsible for migrating a legacy system to the Microsoft Azure hosting as well as developing and supporting essential business systems serving a global audience. Project Information: Start : 2 weeks / 30 days of notice period Location : 100% remote Length of the project : first contract for 6 months, but the project is estimated to be at least 2 years long Workload : 37,5 h / week Responsibilities: Deliver enterprise-strength solutions for the Azure platform using Angular and .NET. Participate in Scrum ceremonies, elaboration, and refinement sessions. Provide functionally correct, unit-tested, deployable, and performant software artifacts. Collaborate with Developers, Architects, QAs, and Product Owners. Ensure software meets non-functional requirements, especially for Security, Maintainability, and Performance. Produce technical documentation (e.g. Wikis) as required during the Software Development Life Cycle (SDLC). Assist with code quality monitoring, reporting, and assurance across IB projects. Review/create user stories and acceptance criteria where applicable, supporting peer reviews for quality assurance. Support software releases and deploy code into the production environment. Perform demonstrations for stakeholders distributed globally. Facilitate handovers, support, and training of the application support team for new deliverables. Key Requirements: Full Stack Development experience within large-scale enterprise solutions. Extensive experience in .NET Core and .NET Framework. Comfortable with front-end development using Angular, Razor, or equivalent. Experience with Azure Development (Function apps, Logic apps, Event grid, Service bus). Commercial experience with Service-Oriented Architectures (SOA). Knowledge of Design Patterns, SOLID principles, and Domain Driven Design (DDD). Affinity for event-driven, microservices, and serverless architectures. Portfolio of high-volume, low-latency REST Services built on ASP.NET Web API. Proficiency with one or more ORMs, preferably EF Core. Nice to Have: Experience with polyglot persistence (NoSQL), Azure Storage Services, Azure Data Factory (ADF), and Power BI.

🏢 Summary: Senior Software Engineer role focused on building and scaling enterprise-grade compensation and rewards platforms using full-stack technologies and AI-powered features. The position involves end-to-end product development, technical ownership, and close collaboration with Product and Design teams in a hybrid startup-like environment. 🗂️ Requirements: 5+ years building full-stack customer-facing web applications, Experience with TypeScript, Experience with Node.js, Experience with React, Ability to translate user needs into technical solutions, Ability to work in ambiguous environments, Strong code quality and testing practices, Strong system reliability practices, Collaboration skills, Technical leadership skills 📃 Skills: TypeScript, Node.js, React, MySQL, Redis, AI 🏢 Description: Position: Senior Software Engineer Location: Krakow, hybrid working model- 3 days per week from the office Salary: 28 000 – 33 000 PLN About the company Our client is building a modern platform that helps organizations manage compensation and effectively communicate pay, rewards, and benefits. Their products are designed to bring greater transparency, trust, and clarity to compensation decisions for both employees and candidates. The company focuses on delivering enterprise-grade solutions for large, global organizations, leveraging advanced technologies and AI-driven capabilities. Operating in a fast-paced, startup-like environment, they offer engineers strong ownership and real impact on product direction. Their platform is used by leading companies to make smarter compensation decisions and improve employee experience. Role summary In this role, you will be responsible for designing and building high-quality product experiences related to compensation communication and rewards. You will work end-to-end, from shaping requirements and technical design to implementation and post-release improvements. The position offers a high level of ownership and influence over technical direction, product quality, and engineering standards. You will play a key role in scaling the product for enterprise customers while collaborating closely with Product and Design teams. This is an opportunity to combine strong engineering skills with product thinking in a high-impact environment. Responsibilities Design and build end-to-end product features (full-stack) Develop scalable solutions for enterprise-level organizations Build AI-powered features to support compensation decision-making Contribute to system architecture and engineering best practices Collaborate closely with Product and Design on roadmap and priorities Ensure high standards of code quality, testing, and reliability Solve complex technical and product challenges Requirements 5+ years of experience building customer-facing web applications (full-stack) Strong product mindset and ability to translate user needs into technical solutions Experience with technologies such as TypeScript, Node.js, and React Ability to work in ambiguous environments and break down complex problems High standards for code quality, testing, and system reliability Strong collaboration and technical leadership skills Nice to have: Experience in HR Tech, compensation, or workforce management domains Experience building enterprise-grade B2B software (e.g., permissions, audit logs, data controls) Familiarity with MySQL and Redis Experience using AI tools to enhance productivity Interest in mentoring and supporting team growth Offer: B2B contract Hybrid working model- 3 days per week from the office High level of ownership and impact on product and technology Fast-paced, startup-like environment Opportunity to work with an experienced engineering team Competitive salary and benefits package (e.g., private healthcare, learning budget – depending on the offer)

🏢 Summary: Senior Software Engineer role focused on designing and delivering full-stack, enterprise-grade web features for a modern compensation and rewards platform. The position involves end-to-end ownership from technical design to implementation, contributing to scalable architecture and AI-powered capabilities. It offers high impact on product direction and engineering standards in a fast-paced environment. 🗂️ Requirements: 5+ years experience building full-stack customer-facing web applications, Proficiency in TypeScript, Node.js, React, Experience designing scalable enterprise-level solutions, Experience building AI-powered features, Strong understanding of system architecture, Ability to ensure code quality, testing, reliability, Ability to translate user needs into technical solutions, Experience working with ambiguous requirements and complex problems 📃 Skills: TypeScript, Node.js, React, JavaScript, MySQL, Redis, AI, REST, Git, Testing 🏢 Description: Position: Senior Software Engineer Location: Krakow, hybrid working model- 3 days per week from the office Salary: 28 000 – 33 000 PLN About the company Our client is building a modern platform that helps organizations manage compensation and effectively communicate pay, rewards, and benefits. Their products are designed to bring greater transparency, trust, and clarity to compensation decisions for both employees and candidates. The company focuses on delivering enterprise-grade solutions for large, global organizations, leveraging advanced technologies and AI-driven capabilities. Operating in a fast-paced, startup-like environment, they offer engineers strong ownership and real impact on product direction. Their platform is used by leading companies to make smarter compensation decisions and improve employee experience. Role summary In this role, you will be responsible for designing and building high-quality product experiences related to compensation communication and rewards. You will work end-to-end, from shaping requirements and technical design to implementation and post-release improvements. The position offers a high level of ownership and influence over technical direction, product quality, and engineering standards. You will play a key role in scaling the product for enterprise customers while collaborating closely with Product and Design teams. This is an opportunity to combine strong engineering skills with product thinking in a high-impact environment. Responsibilities Design and build end-to-end product features (full-stack) Develop scalable solutions for enterprise-level organizations Build AI-powered features to support compensation decision-making Contribute to system architecture and engineering best practices Collaborate closely with Product and Design on roadmap and priorities Ensure high standards of code quality, testing, and reliability Solve complex technical and product challenges Requirements 5+ years of experience building customer-facing web applications (full-stack) Strong product mindset and ability to translate user needs into technical solutions Experience with technologies such as TypeScript, Node.js, and React Ability to work in ambiguous environments and break down complex problems High standards for code quality, testing, and system reliability Strong collaboration and technical leadership skills Nice to have: Experience in HR Tech, compensation, or workforce management domains Experience building enterprise-grade B2B software (e.g., permissions, audit logs, data controls) Familiarity with MySQL and Redis Experience using AI tools to enhance productivity Interest in mentoring and supporting team growth Offer: B2B contract Hybrid working model- 3 days per week from the office High level of ownership and impact on product and technology Fast-paced, startup-like environment Opportunity to work with an experienced engineering team Competitive salary and benefits package (e.g., private healthcare, learning budget – depending on the offer)

🏢 Summary: Senior Software Developer role focused on designing, building, and maintaining cloud-based solutions on Microsoft Azure using a DevOps approach. The position covers end-to-end development from requirements and architecture to implementation, testing, release, and support of applications for Manufacturing & Supply Chain. The role emphasizes scalable, secure cloud architecture and automated CI/CD processes in a global environment. 🗂️ Requirements: 5+ years of professional software development experience, Hands-on experience with .NET Core and .NET Framework, Strong knowledge of C# and Web API, Practical experience with Microsoft Azure services, Experience designing and consuming REST APIs, Experience integrating distributed systems, Knowledge of cloud architecture patterns, scalability, security, high availability, Experience with CI/CD pipelines and DevOps practices, Experience with Azure DevOps and Visual Studio, Ability to design end-to-end solutions 📃 Skills: C#, .NET, .NETCore, WebAPI, Azure, AzureStorage, AzureFunctions, AppService, EventHub, NotificationHub, REST, CI/CD, DevOps, AzureDevOps, VisualStudio 🏢 Description: We are looking for a Senior Software Developer who combines strong business understanding with hands-on software development to build and maintain high‑quality cloud solutions using a DevOps approach. In this role, you will design, implement, test, support, and document applications running on Microsoft Azure, collaborating closely with cross‑functional teams to contribute to solution architecture and development processes. You will work end‑to‑end - from requirements and design through implementation and testing - ensuring to deliver reliable solutions that effectively support Manufacturing & Supply Chain professionals in a multi‑site, cross‑cultural environment. Working with us, you will receive: Full-time work agreement in an international organization Learning and development opportunities adapted to your needs and supporting your growth Hybrid work model, combining remote work opportunities with work in an office in the Szczecin City Center Flexible working hours Benefits package including social benefits (private medical health care, insurance, sport card, etc.) Scandinavian culture – informal, focused on equality, independence, open dialog, and work-life balance What tasks are waiting for you? Design, implement and test solutions in line with agreed requirements and standards. Translate business needs into functional solutions and contribute to solution design. Conduct code reviews, follow development processes, execute tests, and report results. Facilitate effective communication with users and stakeholders to gather requirements, provide updates, and ensure alignment. Ensure constant care for architecture, code base, tests, and documentation throughout the lifecycle. Participate in planning and estimating cost/effort for design requirements. Collaborate closely with developers, solution architects and Manufacturing & Supply Chain stakeholders Provide support for existing cloud applications, including troubleshooting and improving stability. Coordinate and solve complex design problems, balancing business needs and technical feasibility. Automate delivery of software artifacts using CI/CD pipelines and DevOps practices. Manage release processes, including planning, coordination, and execution. Support go‑live activities and hyper care to ensure smooth transitions into operations. Contribute to proactive system monitoring and issue prevention. Apply today if you have: 5+ years of professional software development experience, including cloud‑based solutions (Microsoft Azure) Strong hands‑on experience with the .NET Core / .NET framework and other technologies: C#, Web API, and Microsoft Azure. Experience with Microsoft Azure (i.e. Storage, Azure Functions, App Service, Event Hub, Notification Hub). Experience designing and consuming REST APIs and integrating distributed systems Broad knowledge about Microsoft technologies/products like Visual Studio, Azure DevOps. Solid understanding of cloud architecture patterns, scalability, security, and high availability Strong communication skills in English (spoken and written) Strong analytical, communication, and stakeholder management skills. Ability to work independently and collaboratively in a global environment. ability to design end‑to‑end solutions, not just implement tasks It would be nice if you have: Experience working closely with Manufacturing, Supply Chain or enterprise business stakeholders Experience working in regulated or operationally critical environments People leading experience Knowledge of IT service management processes (incident, change, release). We are waiting to hear from you! Furthermore we would like to inform you that the company has an internal reporting procedure, which is available at: https://demant.codeofconduct.app/ If the page does not load correctly, please refresh it using the Ctrl+F5 key combination. In accordance with applicable regulations on pay transparency, information regarding compensation may be provided at different stages of the recruitment process. In our organization, details related to remuneration are shared at the stage preceding the commencement of employment. The final level of compensation is determined individually and depends on the candidate’s experience, competencies, and the scope of responsibility associated with the position.

🏢 Summary: Senior Data Engineer role in the banking sector focused on building scalable Big Data solutions supporting Financial Crime Prevention processes. The position involves developing distributed data pipelines and streaming applications using Spark and Scala in a Continuous Delivery environment. It is a long-term hybrid project with an immediate start. 🗂️ Requirements: Senior-level experience in Big Data and ETL, Senior-level Scala proficiency, Senior-level Spark and Spark SQL expertise, Strong SQL knowledge, Experience with Data Testing, Practical experience with distributed large-scale data systems 📃 Skills: Scala, Spark, SparkSQL, SQL, ETL, BigData, DataTesting 🏢 Description: 📍 Location: Gdańsk / Gdynia / Warsaw (hybrid) 🚀 Start: ASAP 💶 Rate: 35–45 EUR/h About the role We are looking for a Senior Data Engineer to work on a long-term project for a leading client in the banking industry . In this role, you will implement complex data requirements and build scalable solutions that support the client’s Financial Crime Prevention processes . Responsibilities Build distributed Big Data processing pipelines handling large volumes of structured and unstructured data in near real-time Develop streaming applications connecting multiple internal and external data sources Transform and enrich data with Apache Spark for analytics, visualization, and search Deliver clean, high-quality datasets for downstream systems Work closely with DevOps, QA, and Product teams in a Continuous Delivery environment Requirements Experience with Big Data / ETL / SQL / Data Testing (Senior level) Senior-level Scala Senior-level Spark and Spark SQL Practical experience with distributed, large-scale data systems Recruitment process First interview: Conversation with our Talent Team Technical interview: Discussion with one of our developers Final interview: Meeting with the CTO

🏢 Summary: Senior Software Developer role focused on designing and implementing complex API and microservice integrations in a banking environment using Azure and .NET. The position combines solution design with hands-on development, owning the full lifecycle of secure, low-latency integration solutions. The developer will lead Azure-based integrations, optimize Python transformations, and ensure high-quality, well-monitored applications. 🗂️ Requirements: 7+ years of hands-on experience with Azure development, Strong experience with .NET development, Experience building integration solutions using .NET and Azure, Experience with Azure Functions, APIM, Service Bus, App Insights, Working knowledge of Python for integration and transformation tasks, Experience writing and maintaining unit tests, Expertise in Application Insights monitoring and optimization, Experience designing integration patterns in CRM context 📃 Skills: Azure, AzureFunctions, ServiceBus, APIM, AppInsights, .NET, Python, Microservices, APIs, CRM, UnitTesting 🏢 Description: 🌍 Work mode: hybrid (preferably from Krakow or Warsaw): • People from Krakow and Warsaw - 6x per month in the office • People outside of Krakow and Warsaw - 1-2x per month in the office ⏰ Start : June/July 2026. 📝 Contract : B2B. ⏳ Duration : >12 months contracts. 📕 Project language : English. 💼 Industry : Banking. 📑 Workload: Full time. ⚙️ Recruitment process : 1h technical screening on zoom. 💻 Equipment : Work on emagine or your own equipment. We are looking for a Senior Software Developer who thrives at the intersection of technical design and hands-on execution . In this role, you will be the technical engine driving key initiatives for integration projects. Unlike a traditional architect role, your focus will be on Solution Design: creating the technical 'how-to' for complex integrations and then leading the end-to-end development . Main Responsibilities: Draft end-to-end technical designs for API solutions and microservice integration patterns. Own the full development cycle, ensuring secure, low-latency communication paths between backend systems and UI/UX layers. Manage the technical integration of platforms using Azure Functions and Service Bus. Fine-tune Python-based code mainly for specific transformations (e.g. Pendo-related) while having the agility to refactor logic as needed. Participate in design reviews and incorporate stakeholder feedback. Support discussions surrounding potential migrations to managed environments. Key Requirements: 7+ years of hands-on experience in Azure development (Functions, App Insights, APIM, and Service Bus ). Strong experience in .NET development (primary technology.) Experience in building integration solutions using . NET and Azure. Expertise in Python (basic/working knowledge required, mainly for integration/transformation tasks), with strong proficiency in .NET. A 'quality-first' mindset with extensive experience writing and maintaining unit tests. Deep expertise in using Application Insights for monitoring and optimizing live applications. Proven experience in designing and building integration patterns within a CRM context. Nice to Have: Exposure to Power Platform (optional) . Experience with Google Cloud Platform (GCP). Prior experience with Highspot, Pendo, or MS Dynamics integrations.