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Senior Backend Engineer (Java)
  • Warsaw
Senior Backend Engineer (Java)
Warszawa, Warsaw, Masovian Voivodeship, Polska
D-FACTOR sp. z o.o.
19. 3. 2026
Informacje o stanowisku

technologies-expected :


  • java17
  • Spring Boot
  • dagger
  • spark
  • JDBI
  • Docker
  • AWS
  • MySQL

about-project :


  • We are expanding a dedicated development team for a long‑term client based in the United Kingdom. Our company has been working with this client for more than 5 years, continuously developing and improving their core platform.
  • The product is a CRM and operational platform designed for investment companies.
  • The system helps investment funds, startups, banks, and payment companies manage:
  • - document workflows
  • - financial reporting
  • - investor communication
  • - internal operations
  • The platform is built using a microservices architecture and modern cloud infrastructure and is actively used by financial organisations in production.
  • Hiring Process is fast and transparent and typically takes up to one month:
  • - Initial contact with HR (call or written communication) to clarify questions and present the project;
  • - Candidate records a short video introduction and sends their CV;
  • - Organisational interview with Engineering Manager or Project Manager;
  • - Technical interview with Project Lead;
  • The start date is flexible and typically ranges from immediate start to about 30 days, depending on the candidate’s availability and notice period.

responsibilities :


  • Design and develop backend microservices
  • Implement new product features
  • Improve performance and scalability of existing services
  • Participate in architectural decisions
  • Work closely with product managers and other engineers
  • Write automated tests and maintain code quality

requirements-expected :


  • 5+ years of backend development experience
  • Strong Java knowledge (Java 17+)
  • Experience with microservices architecture
  • Solid SQL knowledge
  • Experience building REST APIs
  • Experience working with frontend-related tasks or collaborating on frontend features
  • English level B2 or higher

offered :


  • Flexible working conditions (remote or office)
  • Competitive salary in EUR (based on experience and seniority)
  • Modern company laptop provided for work
  • Work on complex Java systems with a modern tech stack
  • Collaborative engineering environment

benefits :


  • dofinansowanie zajęć sportowych

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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