May 5, 2026

Senior Fullstack Developer (hybrid from Warsaw)

Senior • Hybrid

20,000 - 23,000 PLN

Warsaw, Poland

Senior Fullstack Developer. This is a hybrid position based in Warsaw, (50% on-site presence).

Responsibilities

  • Design, implement and maintain backend services using modern Java (versions 17–21) and Spring Boot 3.x within microservices architectures.

  • Develop and maintain frontend components and Single Page Applications using Node.js, TypeScript and Angular, ensuring maintainability and sound frontend architecture.

  • Architect and implement event-driven and messaging solutions using Kafka; integrate with relational databases (Oracle) and in-memory stores (Redis).

  • Apply Domain-Driven Design principles to model complex business domains and deliver modular, testable solutions.

  • Contribute to security design and implementation of web applications, including OAuth2/OIDC integration and adherence to OWASP principles.

  • Participate in CI/CD pipelines (GitLab CI required), version control workflows (Git), and use developer tools such as IntelliJ and VS Code.

  • Collaborate with distributed, international teams using Agile methodologies (Scrum/Kanban), Jira and Confluence; perform code reviews and provide practical technical guidance to peers.

Qualifications

  • Minimum 6 years of professional software development experience, with senior-level, hands-on delivery on large-scale applications.

  • Strong fullstack background; backend-only candidates will not be considered.

  • Excellent written and spoken English.

  • Required technical skills:

    • Java 17 or newer (Java 21 experience preferred)

    • Spring Boot (3.x) and microservices

    • Kafka (event-driven / messaging systems)

    • Domain-Driven Design (DDD)

    • Node.js and TypeScript

    • Proven experience building SPAs with Angular

    • Strong SQL skills, particularly with Oracle

  • Security and tooling:

    • Practical experience with OAuth2 and OIDC; strong understanding of web application security and OWASP principles

    • Version control with Git and CI/CD with GitLab CI (required)

    • Familiarity with Kafka in both backend and operational contexts

    • Working knowledge of Jira and Confluence

  • Desirable (nice to have):

    • Experience with Redis

    • Familiarity with Docker and Kubernetes

    • Experience with Jenkins, Maven and Webpack

    • Python and familiarity with AI-based code generation tools

  • Experience working in distributed, international teams and a DevOps mindset.

Benefits

  • Hybrid working arrangement: Warsaw, Poland — approximately 50% on-site presence.

  • Opportunity to work on large-scale systems using modern Java, microservices and event-driven architectures.

  • Collaboration within distributed, international teams and exposure to established Agile and DevOps practices.

  • Use of contemporary developer tooling and platforms (IntelliJ, VS Code, GitLab CI, Kafka, Spring Boot).

  • Scope to apply and deepen expertise in security, DDD and end-to-end fullstack development.

  • Unique TEAL culture, relationship- and respect-driven community, non-corporate atmosphere.

  • Agile approach and no bureaucracy.

  • Outstanding integration trips to various places in Europe for all employees.

  • Activities to support your well-being and health.

  • Luxmed Gold Extended medical care and Multisport Plus benefit.

If you meet the stated qualifications and are interested in this opportunity, we encourage you to apply via the application form.

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