Lead Java Developer

9600-15100 PLN miesięcznie (Umowa o pracę)

Andersen Lab

Czym będziesz się zajmować?

Responsibilities: 
  • Developing backend services using Java, Spring Boot, and REST APIs. 
  • Implementing and supporting OAuth2 / OIDC-based authentication flows. 
  • Configuring and managing Keycloak (realms, clients, roles, token policies). 
  • Leading code reviews, mentor team members, and ensure high-quality delivery. 
  • Building containerized applications using Docker. 
  • Implementing and supporting CI/CD pipelines. 
  • Working with SQL databases (PostgreSQL / MySQL). 

Kogo poszukujemy?

Must-haves: 
  • Experience in backend development for 5+ years. 
  • Experience in leading and motivating teams. 
  • Strong hands-on experience with Java, Spring Boot, and REST APIs. 
  • Experience in telecom environments. 
  • Deep understanding of OAuth2 / OIDC. 
  • Proven production experience with Keycloak. 
  • Experience with Docker and CI/CD pipelines. 
  • Solid SQL and JPA / Hibernate knowledge. 
  • Experience leading code reviews, mentoring, and delivery ownership. 
  • Level of English – from Upper-Intermediate and above. 
Nice to Have: 
  • Experience with Quarkus. 
  • Knowledge of Kubernetes (Helm, Operators). 
  • Experience with Kafka / RabbitMQ. 
  • Understanding of security best practices (OWASP, TLS, secrets). 

Czego wymagamy?

Znajomości:
Języki:
  • Angielski

Jakie warunki i benefity otrzymasz?

  • 2600-4100 USD miesięcznie (Umowa o pracę)
  • Umowa o pracę - Stałe godziny pracy (100%)
  • Praca zdalna: Stacjonarnie lub zdalnie

Gdzie będziesz pracował?

Rondo Daszyńskiego 1, Warszawa lub zdalnie

Kim jesteśmy?

Andersen – your global software development partner Andersen is a global software development company with over 18 years of experience supporting businesses worldwide in their digital transformation. Headquartered in Poland, we operate development centers across Germany, the USA, the UK, Lithuania, Hungary, Kazakhstan, Georgia, Azerbaijan, Cyprus, and the UAE, enabling us to deliver high-impact solutions close to our customers. We offer end-to-end IT services — from custom software development, API integration, and system architecture to legacy modernization and long-term support. With deep technical expertise and a focus on business value, we build tailored, scalable, and secure digital products. Harnessing the power of AI, Machine Learning, Data Science, Big Data, and Visual Technologies, we create intelligent, future-ready solutions that support digital transformation and solve real-world business problems. Recognized among the world’s Top 1,000 B2B service providers, Andersen has earned the trust of industry leaders. Our portfolio includes long-term partnerships with Siemens, S&P Global, Ryanair, IHS Markit, TUI, Johnson & Johnson, T-Systems, and many more. With a team of 3,700+ highly qualified experts in 16+ global locations, we have successfully delivered over 1,000 projects across industries such as Healthcare, FinTech, Logistic, Automotive, Manufacturing, E-commerce, Multimedia & Entertainment and more. Driven by responsibility, client-focus, and commitment to results, Andersen is your reliable tech partner for building high-ROI, future-proof digital solutions — anywhere in the world.