Backend Developer (Node.js)

Working As a Backend Developer (Node.js) You Will

• Architect and develop a resilient Backend for Frontend (BFF) and orchestration layer using Node.js and TypeScript.
• Consolidate and transform data from multiple diverse sources to serve frontend applications efficiently.
• Connect, secure, and isolate various external systems to ensure overall platform stability and fault tolerance.
• Implement robust caching strategies to optimize performance and handle high traffic seamlessly.
• Guarantee strict API security, managing safe integrations and protecting sensitive data.
• Set up comprehensive system monitoring, logging, and tracing to maintain high observability.
• Collaborate closely with Frontend teams, Architects, and DevOps engineers to align technical solutions with business goals.

About Chabre IT Services Chabre IT Services is a global professional IT services provider, building long-lasting relationships with Enterprises. We specialize in the delivery of tailor-made solutions, smart outsourcing, try&hire, and success fee services. We are a smart IT boutique with unique knowledge, which will deliver your ideas into reality. About Our Client Our client is a globally recognized digital marketing and media network that drives business transformation for top-tier brands. They specialize in crafting innovative digital experiences, leveraging modern technologies to deliver scalable e-commerce and communication solutions. Joining their team means operating in a dynamic environment focused on creativity, data-driven strategies, and cutting-edge web performance. Qualifications

• Between 2 to 4 years of commercial experience building backend solutions relying on Node.js.
• Strong, practical knowledge of TypeScript in live production environments.
• Proven ability to design, build, and maintain REST APIs while actively applying the BFF architectural pattern.
• Proficiency in modern Node frameworks such as NestJS, Express, or Fastify, heavily adhering to SOLID principles and clean code practices.
• Hands-on experience connecting varied data sources, handling webhooks, and building event-driven integrations.
• Solid understanding of modern authentication protocols like OAuth2 or OIDC (e.g., Keycloak) and secure session management.
• Familiarity with memory stores like Redis for caching, alongside a working knowledge of relational databases (PostgreSQL).
• Ability to build resilient applications capable of graceful degradation, proper retry mechanisms, and timeout handling.
• Strict adherence to OWASP security standards, safe header management, and rigorous input validation.
• Dedication to software quality through unit and integration testing (using Jest), mocking, and API contract verification.
• Daily fluency with Git, Docker, CI/CD pipelines, and functioning within an Agile framework.

We offer

• Rate up to 160,00 PLN/h + VAT
• Remote work
• Subsidy for peripherals in the amount of 500,00zł
• Working tool (MacBook Pro or Lenovo Legion 5)
• Co-financing of courses related to the position
• Benefits: MultiSport, Medicover