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Senior Full Stack Developer Nodejs
  • Warsaw
Senior Full Stack Developer Nodejs
Warszawa, Warsaw, Masovian Voivodeship, Polska
Decerto
23. 9. 2025
Informacje o stanowisku

We’re a delivery partner of a global tech company specializing in automation for the insurance sector.

Join our implementation team working on digital transformation projects for a leading U.S. insurance client as a Full Stack Developer !

About the role:

In this role, you'll be actively involved in agile sprints, contributing across the full software development life cycle – from requirements gathering and design to development, deployment, and post-go-live support. We’re looking for a proactive developer with strong technical skills and customer-facing experience who can deliver production-grade solutions.

Engagement: project for an American Insurance Customer

Location: fully remote across Poland

Working hours: as we work for an American customer, we can start the day between 9:00-11:00 am CET

Key responsibilities:

  • Participate in agile sprints and contribute to all phases of the SDLC.

  • Develop, test, and maintain application modules according to sprint goals.

  • Collaborate with architects, designers, and business stakeholders.

  • Ensure code quality through unit testing, peer reviews, and best practices.

  • Support implementation and stabilization after go-live.

  • Troubleshoot, debug, and resolve issues or enhancement requests.

  • Maintain technical documentation and contribute to knowledge sharing.

  • Take ownership of assigned modules and guide junior developers.

Must-have skills and experience:

  • Minimum 5 years of experience with JavaScript, Node.js, and Angular or React.

  • Proven ability to deliver features end-to-end in customer-facing or internal projects.

  • Solid understanding of HTML5, CSS3, and component-based front-end architecture.

  • Hands-on experience with SQL/Oracle (queries, joins, optimization).

  • Familiarity with REST APIs, JSON, and integration workflows.

  • Experience with Git and DevOps-friendly development practices.

  • Understanding of Agile/Scrum methodology and sprint delivery.

  • Problem-solving mindset and ability to design efficient solutions.

  • Solid knowledge of data structures and algorithms.

  • Fluency in Polish and English (working in an international team and American Client).

Nice to have:

  • Exposure to Low Code / No Code platforms (e.g., Neutrinos, Mendix, OutSystems).

  • Basic understanding of Docker/Kubernetes and microservices architecture.

  • Familiarity with BPM tools, API orchestration, and system integrations.

  • Experience in the insurance or financial services (BFSI) domain.

  • Strong verbal and written communication skills.

Why join us?

  • Remote work (but you can work from our Warsaw office at any time).

  • Personal development budget of 2000 PLN net/year.

  • Co-funding for certifications.

  • Experienced team with strong know-how.

  • Subsidies for private healthcare, sports cards, and life insurance.

  • Internal technical (and non-technical) trainings.

  • Flat structure with real influence on company operations.

  • Innovative team-building trip programs.

  • Fast-paced, delivery-focused team with real impact.

  • Work on modern digital technologies and integration projects.

We reach out to every candidate and always provide feedback!

Get to know us and join the #DecertoTeam!

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