Lead Full Stack Engineer (Java + Angular)

Upvanta sp. z o.o.

Warsaw, Poland • 1h ago • Remote

Senior

Remote

1,500 - 1,800 PLN/yr

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Quick Facts

  • Role focused on full-stack development and modernization of key business applications
  • Technical leadership with architecture ownership across frontend, backend, and database
  • Hands-on Java + Angular engineering, plus CI/CD, containerization, and observability

Description

Lead the design and development of Java + Angular applications in an international, long-term program. You will own architecture for frontend, backend, and database components, build and secure REST/SOAP APIs, and modernize legacy systems while providing mentoring and code review. The role also supports practical AI usage for development and testing.

Responsibilities

  • Design and develop Java + Angular applications
  • Design application and frontend/backend/database components
  • Develop and secure REST/SOAP APIs
  • Implement authentication and authorization mechanisms
  • Develop Angular applications using eUI
  • Design and build CI/CD processes
  • Deploy applications with Docker and Kubernetes
  • Monitoring and observability
  • Lead code review and provide technical support to the team
  • Modernize legacy applications
  • Mentoring and technical support for developers
  • Use AI in software development and testing workflows

Requirements

  • 10+ years of IT/software development experience
  • 9+ years of Java experience
  • 8+ years of Angular, TypeScript, JavaScript, HTML, and CSS experience
  • 10+ years of SQL experience, including 3+ years with Oracle
  • Knowledge of JPA/Hibernate and/or jOOQ
  • 5+ years of Spring Boot (or similar Java framework) experience
  • Experience designing application architecture and components
  • Strong REST API knowledge and experience with SOAP Web Services
  • Experience with Docker and Kubernetes
  • Experience with CI/CD and DevOps
  • Knowledge of monitoring tools such as Grafana
  • Practical knowledge of Angular and eUI framework
  • Knowledge of OpenAPI/Swagger
  • Knowledge of OAuth 2.0, OpenID Connect, JWT, and RBAC
  • Knowledge of OWASP and Secure SDLC
  • 7+ years of technical leadership/mentoring/code review
  • Practical use of AI in software development (e.g., code generation, Java migration, automated testing)

Benefits

  • International, long-term project
  • Remote work
  • Modernization of key business applications
  • Opportunity to influence architecture and technical solutions
  • Work with a modern stack: Java, Spring Boot, Angular, Oracle, Docker, Kubernetes, Grafana
  • Ability to use AI in day-to-day development
  • Role combining development, architecture, and technical leadership
  • Collaboration with an experienced team
  • Further growth opportunities in Cloud, DevOps, Security, and Software Architecture

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