Senior Full Stack Developer (Node.js)

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!