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Backend Developer (Node.js)

Backend Developer (Node.js)

NTIATIVE sp. z o.o.Kraków, Lesser Poland, Poland
30+ days ago
Job description

technologies-expected :

  • Node.js
  • Golang
  • PostgreSQL

technologies-optional :

  • Docker
  • Kubernetes
  • Google Cloud Platform

    • about-project :

  • Bwinners is a leading digital betting platform in West Africa, operating in Gambia, Sierra Leone, Senegal, and beyond. With over 1,500 employees and a rapidly growing international footprint, we’re now opening a new engineering hub in Kraków to rebuild our core systems using modern technologies.
  • This is a greenfield project — you’ll join early, help shape the architecture, and build scalable backend systems from scratch — without the burden of legacy code.
  • The Opportunity We’re looking for Backend Developers (Mid and Senior levels) with solid experience in Node.js to join our Kraków team. Experience with Golang is a strong plus, as some of our services are being developed in Go as well. You’ll work alongside frontend engineers, DevOps, and product managers to build the backbone of our next-generation betting platform.

    • responsibilities :

  • Design and implement backend services using Node.js
  • Work on services written in Go (if applicable)
  • Contribute to architectural decisions and clean code practices
  • Collaborate across teams to deliver full-stack features
  • Integrate with databases (PostgreSQL) and external services
  • Help define backend standards and best practices

    • requirements-expected :

  • Strong experience with Node.js
  • Bonus : experience with Golang
  • Understanding of backend architecture and system design
  • Familiarity with SQL (PostgreSQL preferred)
  • Fluent English and clear communication skills
  • Bonus : experience with CI / CD, Docker, Kubernetes, or cloud environments (GCP)
  • Tech Stack Node.js, TypeScript Golang, Java PostgreSQL GCP, Kubernetes, Docker

    • offered :

  • Salaryl : €5,000–€7,000 / month net
  • Contract : B2B only
  • Hybrid work model – Kraków-based candidates preferred
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    Backend Developer • Kraków, Lesser Poland, Poland