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Senior Backend Developer/ Team Lead
  • Warsaw
Senior Backend Developer/ Team Lead
Warszawa, Warsaw, Masovian Voivodeship, Polska
Madiff
28. 2. 2025
Informacje o stanowisku

Responsibilities

  • Leading Development Efforts: Overseeing backend development, ensuring alignment with the products technical vision, and fostering a culture of technical excellence.
  • Hands-On Development: Designing, building, and optimising backend applications and APIs using modern Java technologies.
  • Team Mentorship: Providing guidance, performing code reviews, and fostering continuous improvement within the development team.
  • Collaboration: Partnering with Product Owners to define functional and non-functional requirements and ensure efficient delivery of business objectives.
  • Quality Assurance: Driving best practices in coding, architecture, and testing while maintaining clean and maintainable codebases.
  • Technical Strategy: Identifying technical debt, proposing mitigation strategies, and presenting alternative technical solutions to achieve long-term scalability and performance.
  • Monitoring & Support: Leading deployments, ensuring system performance, and providing second-line support for live environments.
  • Process Optimisation: Driving initiatives related to CI/CD and contributing to the improvement of internal tools and processes.

Requirements

  • Minimum 5 years of experience in backend development, with at least 2 years in a team leadership role.
  • Expertise in Java, Spring Boot, and REST/SOAP APIs.
  • Proficiency in GitLab, MS SQL, and containerisation technologies such as Docker, Kubernetes, or OpenShift.
  • Experience in building and maintaining microservice architectures.
  • Strong understanding of user authentication, authorisation, and security best practices.
  • Hands-on experience with messaging systems such as Kafka or RabbitMQ.
  • Proven ability to mentor and lead development teams while fostering collaboration and knowledge sharing.
  • Strong accountability for project outcomes, with a proactive approach to problem-solving.
  • Familiarity with Agile methodologies (Scrum/Kanban) and working in cross-functional teams.

Nice to Have

  • Experience working with monitoring and observability tools such as Prometheus, Grafana and Elasticsearch.
  • Familiarity with Jira, Confluence, and other project management tools.
  • Experience in developing CI/CD pipelines and contributing to internal tooling initiatives.
  • Work in multilingual, multinational and multicultural environment on international projects.
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  • Praca Warszawa
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