April 29, 2026
Integration Developer
Mid • Hybrid
Warsaw, Poland
We are looking for Developer in Integrations Development team to be part of our team which is responsible (but not limited to) for developing and maintaining integrations between various applications company is using to run the business. Our role is to be part of whole lifecycle of the implementing of such integrations - from helping business process owners to realize idea, setting up requirements, development, production deployment, handover to support lines up to benefits realization of what our work has contributed.
As a retail business company with long history, many support offices and thousands of stores around the globe it is not a surprise that application and technology portfolio is fairly wide - from top-new digital platforms to large ERP accounting systems, from presence in public clouds, using newest beta services to on-site server based CRM applications. Our talent is to fulfill any demand if it gives value disregard how different the applications we are integrating might be. We are looking for you if you are ready for such challenges which in the end are making work and life more interesting and engaging!
Responsibilities
Design and implement highly scalable, resilient, and performant cloud-native integration solutions.
Create and manage containerized applications using Docker and Kubernetes, ensuring seamless deployment and orchestration.
Write clean, maintainable, and efficient code to build integration services.
Develop integration flows and APIs using a mix of custom code in Java and Python, and Oracle Cloud native services.
Ensure that integrations are designed with scalability, reliability, and fault tolerance in mind.
Collaborate with cross-functional teams to understand business requirements and translate them into technical specifications.
Proactively identify and resolve any issues related to the performance and reliability of integrations.
Advocate for and implement best practices in cloud architecture, Kubernetes management, integration design, and coding.
Ensure all solutions adhere to enterprise security policies and compliance requirements.
Document all processes, designs, and deployments meticulously for future reference and for the use of other team members.
Work closely with other developers, architects, and product teams to deliver end-to-end solutions.
Provide technical guidance and support to other team members.
Participate in code reviews, team meetings, and knowledge-sharing sessions.
Requirements
Bachelor’s degree in computer science, Information Technology, or a related field.
Proven experience as an Integration Developer or similar role, with a focus on Kubernetes and microservices architecture.
Strong programming skills and experience in languages such as Java, Python, Spring Boot, REST, SOAP, Camel.
In-depth knowledge of Kubernetes, Docker, and related container orchestration and management technologies.
Familiarity with CI/CD tools and version control systems (e.g., Git, Jenkins).
Solid understanding of network protocols, security principles, and cloud infrastructure.
Excellent problem-solving abilities and a strong attention to detail.
Nice to have
Understanding of retail business processes.
Experience with public clouds.
Experience in test automation for unit and integration testing.
What do we offer?
Contract of employment
Annual bonus
Private medical care
Cafeteria Platform/Multisport
English lessons subsidized by the company
Group insurance
Attractive discounts for products and services at our stations
Employee stock purchase plan
Employee Assistance Program (Lyra)
Modern and convenient office that you can virtually visit here - https://goo.gl/maps/CLteHfYcdYMbdESq6
Trainings & possibility to develop skills in a wide international environment
When working with us you can depend upon it that you will not be judged on the grounds of race, national origin, gender, sexual orientation, disability, age, or other legally protected status. Oppositely – we believe that our diverse and inclusive culture helps us create an amazing atmosphere where everybody feels welcome. Check who we are here: https://youtu.be/td-QGnNnvW0 Want to know even more about us? Interested? We encourage you to apply. We know great companies are built from within, by great people like you. Come grow with us! We´re looking forward to your application
We hereby inform that in the company Circle K Business Centre Poland sp. z o.o. with registered office in Warsaw an Internal Notification and Follow-up Actions Procedures applies.
The document describes rules for reporting violations of law by whistleblowers. Full content of the above-mentioned Procedure is available here: https://www.circlek.pl/o-nas/procedury-zgloszen
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Krakow, Poland
🏢 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
Technology
KUBO
.Net & Cloud Engineer
Mid
Hybrid
Gdansk, Poland
110 - 150 PLN/hr
🏢 Summary: Long-term backend role focused on building and maintaining system integrations in an Azure-native environment using C#/.NET. The position involves developing APIs and microservices, working with cloud services, and improving CI/CD and Infrastructure as Code solutions within an Agile/SAFe setup. The project connects internal and external systems to support real business operations. 🗂️ Requirements: Minimum 3 years of experience as a Backend or .NET Developer, Strong experience with C# and .NET 6+, Experience building and maintaining system integrations, Hands-on work with REST APIs, message queues, FTP, microservices, Experience with Azure or other cloud platforms (AWS, GCP), Basic knowledge of Infrastructure as Code, Experience with CI/CD pipelines, Experience working in distributed systems or microservices architecture 📃 Skills: C#, .NET, Azure, AWS, GCP, REST, APIs, Microservices, MessageQueues, FTP, Terraform, Bicep, Pulumi, AzurePipelines, GitHubActions, GitLabCI, Jenkins, TeamCity 🏢 Description: Do you want to build integrations that power real business operations across the globe? Are you ready to work in an Azure-native environment where you can grow your skills in cloud, messaging, and microservices? If you enjoy learning on the job and working closely with business and Scrum teams, this project could be a great fit. Join a long-term integration team in Poland, contributing to solutions that connect systems for clients, partners, and internal teams. Key responsibilities Develop backend applications in C# / .NET Build and maintain integrations between systems (APIs, messaging, microservices) Work with cloud services (mainly Azure) Support and improve CI/CD pipelines and Infrastructure as Code (IaC) solutions Troubleshoot and resolve integration issues Collaborate with other application teams in an Agile/SAFe-based environment Ideal candidate profile At least 3 years of experience as a backend or .NET developer Practical experience with C# and .NET (6+) Experience with system integrations (REST APIs, message queues, FTP, microservices) Familiarity with cloud platforms (Azure preferred, AWS/GCP acceptable) Basic understanding of Infrastructure as Code (Azure Bicep, Terraform, Pulumi) and CI/CD pipelines (Azure Pipelines, GitHub Actions, GitLab CI/CD, Jenkins, TeamCity) Comfortable working in a distributed systems / microservices environment Team-oriented, communicative, and eager to learn from both business and technical teams Conditions Location: Gdańsk (Olivia Centre) Work model: Hybrid (2-3 days in the office) Employment type: B2B Project duration: Long-term cooperation expected; the first contract for 6-12 months Salary: 100-150 PLN/h Recruitment steps Initial call with a KUBO recruiter Interviews with the client Decision and feedback
Technology
Sii
Java Cloud Developer (f/m/x)
Senior
Hybrid
Warsaw, Poland
20,000 - 24,000 PLN
🏢 Summary: The offer is for an experienced Java Cloud Developer to build and enhance cloud-based digital platforms supporting virtual card services and business payment solutions. The role involves developing new features, integrating APIs, and maintaining high-quality systems across mobile, web, and external services in an agile environment. The position combines greenfield development with improvements to existing cloud-native systems. 🗂️ Requirements: Minimum 4 years of hands-on Java development experience, Strong knowledge of Spring framework (Boot, Data, Cloud), Experience with JUnit, Spock, JPA, Hibernate, Experience with PostgreSQL, SQL and NoSQL databases, Experience with Redis, Practical experience with Azure, Experience with Kubernetes and Docker, Experience building and integrating REST and SOAP APIs, Experience with Swagger or OpenAPI documentation, Experience with CI/CD tools: Jenkins, SonarQube, Git, Gradle 📃 Skills: Java, Spring, Boot, Data, Cloud, JUnit, Spock, JPA, Hibernate, PostgreSQL, SQL, NoSQL, Redis, Azure, Kubernetes, Docker, REST, SOAP, Swagger, OpenAPI, Jenkins, SonarQube, Git, Gradle 🏢 Description: We are looking for an experienced Java Cloud Developer to join a dynamic team delivering modern digital solutions for business clients. You will be part of a product area focused on virtual card services and digital platforms that support innovative business models such as Click & Collect and fleet management solutions. Those systems enable end-to-end management of payments and communication with business customers, including fueling, car wash services, invoicing, and card/account management. The portfolio spans both mobile and web applications, as well as external APIs (e.g., Payment-as-a-Service), serving primarily Scandinavian and Baltic markets. You’ll work across a mix of greenfield development and enhancements to existing systems. Your tasks Design and implement new features and system improvements Ensure software quality through testing and validation against requirements Diagnose, troubleshoot, and resolve technical issues Collaborate with cross-functional teams in an agile environment Participate in team ceremonies and contribute to technical discussions Prepare and maintain technical documentation Requirements At least 4 years of hands-on experience in Java development Strong knowledge of frameworks and tools: Spring (Boot, Data, Cloud), JUnit, Spock, JPA, Hibernate Solid experience with PostgreSQL, SQL, NoSQL databases, and Redis Practical experience with cloud and containerization technologies (Azure, Kubernetes, Docker) Experience building and integrating REST/SOAP APIs, including Swagger/OpenAPI documentation Familiarity with CI/CD and development tools: Jenkins, SonarQube, Git, Gradle Very good communication skills in both English and Polish Residing in Poland required Nice-to-have requirements Knowledge of TDD/BDD practices, e.g., Spock, Mockito, Cucumber Basic understanding of Domain-Driven Design (DDD) Familiarity with service mesh architectures What we offer Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more Comfortable workplace – class A offices or remote work Dozens of fascinating projects for prestigious brands from all over the world PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers Investment in your growth – meetups, webinars, training platform and technology blog – you choose Fantastic atmosphere created by all Sii Power People If you want to work on systems with high operational significance — apply now!
Technology
EPAM Systems
Junior Java Developer
Junior
Remote
🏢 Summary: Junior Java Developer role focused on designing and implementing airline API integrations for a global flight booking platform. The position involves building microservices-based solutions, improving integration and testing processes, and supporting CI/CD and production environments. This is a fully remote opportunity within Poland with exposure to cloud technologies. 🗂️ Requirements: Experience with Java and object-oriented programming, Basic knowledge of Spring Core, Basic knowledge of Spring Boot, Understanding of microservices architecture, Experience with RESTful APIs, Familiarity with relational databases, Basic SQL knowledge, Experience with Git, Knowledge of Maven or Gradle, Understanding of Docker and containerization, Willingness to work with AWS services, Understanding of SDLC and testing principles, Basic troubleshooting and debugging skills, Ability to participate in production support rotation, English proficiency, Russian proficiency 📃 Skills: Java, Spring, SpringBoot, Microservices, REST, SQL, Git, Maven, Gradle, Docker, AWS, SDLC, Testing 🏢 Description: We are looking for a Junior Java Developer for a global travel technology company. Your task will be to design and implement solutions that streamline the integration of new airlines using various API technologies (NDC, LCC, custom). The project focuses on flight booking platforms and aims to improve the experience of millions of travelers and expand the airline partnership network. This role offers fully remote work within Poland. Ready to launch your career in cloud engineering? Apply now and join our global team! Responsibilities Design and implement technical solutions for new and existing product development Develop and promote implementation and rollout plans for airline integrations Analyze and evaluate existing integration approaches and propose improvement plans Assess current testing approaches for integration and performance and recommend enhancements Ensure stable and fast delivery processes across the development lifecycle Contribute to and setup CI/CD processes for streamlined deployments Participate in mentorship of fellow engineers to solve complex technical challenges Establish and maintain monitoring and alerting systems for production environments Participate in 12/7 production support on a rotation schedule Requirements Experience with Java programming and object-oriented development Basic knowledge of Spring Core and Spring Boot frameworks Understanding of microservices architecture and RESTful API development Familiarity with relational databases and basic SQL knowledge Experience with version control systems, particularly Git Basic understanding of build tools such as Maven or Gradle Knowledge of containerization concepts with Docker Willingness to learn cloud technologies, particularly AWS services Understanding of software development lifecycles and testing principles Basic troubleshooting and debugging skills Good English communication skills Good Russian communication skills Eagerness to learn new technologies and grow professionally Nice to have Any exposure to Spring Framework ecosystem (SpringBoot, SpringCloud) Basic knowledge of NoSQL databases (DynamoDB, MongoDB) Familiarity with CI/CD concepts and tools like Jenkins Understanding of logging and monitoring principles Experience with Splunk, Kubernetes or Kotlin Previous internship or project experience in software development 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.