April 8, 2026
Java Full Stack Developer
Senior • Hybrid
Krakow, Poland
More about us
Billennium is a global technology company with over 20 years of experience, committed to innovation and empowering businesses. As an employer, we offer a supportive, growth-focused environment where collaboration and creativity thrive. Join us to shape the future of technology together!
About the Client
We are looking for an experienced Java Full Stack Developer with Angular who will join a long-term project for our client in banking and finance industry.
What will you do:
Develop software in alignment with project requirements and a multi‑year product roadmap.
Collaborate closely with the team to shape solutions that best meet user expectations.
Ensure high-quality deliverables through strong focus on requirements, test coverage, and code reviews.
Contribute to effort estimation, sprint planning, and ongoing progress reporting.
Maintain a proactive approach to identifying risks, issues, and improvements throughout the development lifecycle.
What we are looking for:
5+ years of professional experience in Java Full Stack Developer position
Proficiency with back‑end technologies such as: Java 17+, Spring Boot, Swagger, IBM MQ, Feign, vavr, JUnit, Hibernate, Oracle PL/SQL, Liquibase, and Maven.
Experience with front‑end technologies including : Angular 15, nx, micro front‑ends, Jest, and NgRx.
Familiarity with CI/CD and DevOps tools (Bitbucket, Jenkins, Sonar, Kubernetes, ELK)
Fluency in English and Polish
The role is designed for a hybrid work model, with 1–2 days per week from the client office in Kraków or Warsaw.
Perks and benefits:
Comprehensive benefits - enjoy Udemy for Business, private medical care, Multisport card, veterinary package, language lessons, and shopping vouchers.
Flexibility - adaptable working hours and remote/hybrid work options to suit your lifestyle & location.
Career growth - access opportunities for professional development and learning, including perks related to our official partnerships with global IT giants: Microsoft, AWS, Snowflake, Salesforce & more.
Global collaboration - work with a diverse, international team.
Innovative environment - be part of a forward-thinking and growth-oriented workplace.
Engaging community – Work with passionate professionals and participate in team-building events, hackathons, and CSR initiatives to make an impact beyond work.
Team-building events including our company tradition (annual company event in Mazury).
A pleasant surprise to start your journey with us in the form of a welcome pack.
Recruitment process:
HR call
Technical Interview
Interview with the dedicated Client
Final decision/ Feedback
Sounds interesting?
Click "Apply" and have a chance to hear more!
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110 - 130 PLN
🏢 Summary: The offer is for an experienced Project Manager to lead complex, multi-market IT transformation initiatives within a strategic program in the financial services sector. The role focuses on end-to-end project delivery, aligning business and IT teams, and ensuring effective governance, risk management, and stakeholder communication. You will drive process optimization and technology initiatives using Agile practices and Jira-based project tracking. 🗂️ Requirements: Minimum 5 years of Project Management experience in IT transformation, business applications, or infrastructure projects, Experience managing full project lifecycle from requirements analysis to implementation and optimization, Strong knowledge of SDLC and Agile methodologies, Experience in risk management, change management, and dependency tracking, Experience working with technical teams and senior stakeholders, Practical experience with Jira including task management and reporting, Ability to combine Project Management, Business Analysis, and Change Management, Very good English skills (B2/C1) 📃 Skills: ProjectManagement, SDLC, Agile, Jira, RiskManagement, ChangeManagement, BusinessAnalysis, KPI, Roadmapping, StakeholderManagement 🏢 Description: Billennium is a global technology company with over 20 years of experience, committed to innovation and empowering businesses. As an employer, we offer a supportive, growth-focused environment where collaboration and creativity thrive. Join us to shape the future of technology together! About the Client Our client is a leading company in the debt management and financial services sector, operating across multiple international markets. You will join a strategic transformation program focused on process optimization, technology initiatives, and improving collaboration across business areas, IT teams, and global markets. What you will do • Lead complex transformation initiatives within a multi-market program, ensuring alignment between business, IT teams, international units, and program governance structures • Manage end-to-end project delivery, including planning, roadmap creation, milestones tracking, dependencies, risks, budget, and quality monitoring • Work closely with business process owners to analyze needs, structure requirements, prioritize initiatives, and support decision-making • Coordinate cooperation between multiple stakeholders, ensuring transparent communication and consistent information flow across markets and teams • Prepare project reports, KPI dashboards, analyses, and recommendations to support operational and strategic decisions • Organize and facilitate project meetings, status updates, alignment sessions, and decision-making forums • Maintain project governance using Jira and tracking tools, ensuring visibility of progress, blockers, dependencies, and delivery status What we are looking for • Minimum 5 years of experience in Project Management , preferably within IT transformation, business applications, or infrastructure projects • Experience managing the full project lifecycle: goal definition, requirements analysis, roadmap creation, delivery, implementation, and optimization • Strong understanding of SDLC , Agile methodologies, and cooperation with technical teams • Experience in risk management, change management, dependency tracking, and stakeholder communication • Ability to work effectively with senior stakeholders across business, IT, management, and international teams • Practical experience with Jira (creating tasks, reporting, dashboards, tracking progress and project metrics) • Ability to combine areas of Project Management, Business Analysis, and Change Management • Very good English communication skills ( B2/C1 ) Nice to have • Experience in the financial services industry • Knowledge of Lean Management methodologies • Experience working with multiple markets, countries, or distributed organizational units • Experience in fast-paced transformation environments Soft skills • Strong ownership mindset with the ability to drive topics independently and proactively • Ability to manage ambiguity, structure incomplete information, and turn it into actionable plans • Strategic, process-oriented, and analytical approach to solving complex challenges • Excellent communication skills with the ability to adapt communication style to different audiences • Strong organization skills with focus on quality, priorities, and successful delivery Perks and benefits • Comprehensive benefits – enjoy Udemy for Business, private medical care, Multisport card, veterinary package, language lessons, and shopping vouchers • Flexibility – adaptable working hours and remote/hybrid work options to suit your lifestyle & location • Career growth – access to professional development opportunities and partnerships with Microsoft, AWS, Snowflake, Salesforce & more • Global collaboration – work with a diverse, international team • Innovative environment – be part of a forward-thinking and growth-oriented workplace • Engaging community – participate in team-building events, hackathons, and CSR initiatives • A pleasant surprise to start your journey with us in the form of a welcome pack Recruitment process • HR call • Technical interview • Interview with the dedicated client • Final decision / feedback 👉 Sounds interesting? Click “Apply” and let’s talk!
Technology
Webellian Sp.z o o
Full Stack (Java & Angular, Typescript) Engineer
Senior
Hybrid
Warsaw, Poland
🏢 Summary: Full Stack Engineer role focused on building scalable distributed applications using Java and modern frontend technologies in an agile environment. The position involves backend and frontend development, microservices, testing, and collaboration with cross-functional teams in a hybrid work model in Warsaw. 🗂️ Requirements: Proven experience as a Full Stack Engineer, Strong experience with Java, Strong experience with Spring, Strong experience with Kafka, Strong understanding of TypeScript, Strong understanding of Angular, Experience with databases, Experience with distributed systems, Solid understanding of microservice architecture, Experience writing unit tests, Experience writing integration tests, Ability to work in agile delivery environments, Strong communication skills 📃 Skills: Java, Spring, Kafka, TypeScript, Angular, SQL, Microservices, Docker, Kubernetes, OpenAPI, Swagger, Atlas, DevOps, AI, MachineLearning 🏢 Description: About Webellian Webellian is a well-established Digital Transformation and IT consulting company committed to creating a positive impact for our clients. We strive to make a meaningful difference in diverse sectors such as insurance, banking, healthcare, retail, and manufacturing. Our passion for cutting-edge and disruptive technologies, as well as our shared values and strong principles, are what motivate us. We are a community of engineers and senior advisors who work with our clients across industries, playing a deep and meaningful role in accelerating and realizing their vision and strategy. About the position We are seeking a motivated and experienced Full Stack Engineer with a strong background in Java and distributed systems to join our dynamic team. The ideal candidates will have extensive expertise in developing scalable and maintainable applications in agile-based delivery environments, with a proactive approach to problem-solving. Key responsibilities: Design, develop, and maintain applications in a complex and interconnected environment. Participate in code reviews and contribute to a culture of continuous improvement. Analyze existing business logic and data structures across several systems. Collaborate with cross-functional teams to refine, design, and develop new features. Troubleshoot and resolve complex technical issues. Required Experience & Skills Proven experience as a Full Stack Engineer Ability to learn quickly and adapt to new technologies and methodologies. Strong communication skills. Strong experience with backend technologies (Java, Spring, Kafka). Strong understanding of front-end technologies (TypeScript, Angular). Experience with databases and distributed systems. Solid understanding of microservice architecture. Strong testing background and experience writing unit- and integration tests. Preferred Qualifications Familiarity with containerization and orchestration tools (e.g., Docker, Kubernetes). DevOps experience. Knowledge of Atlas or similar database migration tools. Familiarity with OpenAPI/Swagger specifications and code generation. Knowledge of AI and machine learning concepts. What we offer Contract under Polish law: B2B or Umowa o Pracę Benefits such as private medical care, group insurance, Multisport card There are English classes available Hybrid work (at least 1 day/week on-site) in Warsaw (Mokotów) Opportunity to work with excellent professionals High standards of work and focus on the quality of code New technologies in use Continuously learning and growth International team Pinball, PlayStation & much more (on-site) Join a growing team of dedicated professionals! We love to pass on the knowledge to grow excellence, speak our minds without playing politics, and just enjoy hanging around together. If you share our passions - we want to meet you! So go ahead and apply ➡️