.
Senior Backend Engineer – Microservices & API Integration
  • Kraków
Senior Backend Engineer – Microservices & API Integration
Kraków, Kraków, Lesser Poland Voivodeship, Polska
BRAVER IT SPÓŁKA AKCYJNA
4. 7. 2025
Informacje o stanowisku

technologies-expected :


  • Python
  • Java
  • Go
  • PostgreSQL
  • MongoDB
  • Redis

about-project :


  • We’re looking for a seasoned backend engineer who will help design and develop modern, secure APIs and microservices used by thousands of partners and clients. You’ll play a key role in improving developer experience, scalability, and performance across the platform.

responsibilities :


  • Develop and maintain microservices and SDKs in Python, Java, or Go.
  • Refactor and improve existing APIs for better performance and maintainability.
  • Automate testing: unit, integration, and contract tests using tools like pytest, JUnit, Postman/Newman.
  • Build and manage CI/CD pipelines with GitHub Actions, GitLab CI, or Jenkins.
  • Deploy services in Kubernetes, and monitor them using OpenTelemetry, Prometheus, Grafana.
  • Participate in code reviews, documentation (Markdown, Swagger-UI), and quality standards.
  • Collaborate with frontend, DevOps, and product teams to ensure seamless delivery.

requirements-expected :


  • 5+ years of experience building production-ready APIs and microservices.
  • Solid skills in at least two of these languages: Python, Java, Go.
  • Deep understanding of HTTP, REST, versioning, error handling, and security (JWT, mTLS).
  • Experience with both relational and NoSQL databases like PostgreSQL, MongoDB, Redis.
  • Strong focus on automated testing, clean code, and maintainability.
  • Fluency in English (written and spoken) sufficient for technical collaboration and documentation.

offered :


  • 100% remote work.
  • Opportunity to influence technical strategy and architecture decisions.
  • Collaborative, inclusive, and international work culture.
  • Competitive salary and a comprehensive benefits package.

benefits :


  • sharing the costs of sports activities
  • life insurance
  • remote work opportunities
  • flexible working time

  • Praca Kraków
  • Kraków - Oferty pracy w okolicznych lokalizacjach


    92 480
    9 107