Backend Developer w Warszawa, Polska

We are seeking a Backend Developer to design, build, and maintain robust, scalable
backend services and APIs powering Client facing Portal applications. The ideal
candidate has strong object-oriented development skills, experience with
containerized/cloud-native deployment, and the ability to collaborate closely with front-
end teams to deliver well-integrated, performant solutions.

What we expect from you?

• Strong Java or .NET development experience (Spring Boot / .NET Core
  preferred).
• Experience building and consuming REST APIs.
• Experience with containerized applications and orchestration
  (Docker/Kubernetes/OpenShift).
• Working SQL/database experience (relational data modeling, query optimization).
• Familiarity with CI/CD pipelines and automated testing practices.
• Nice-to-Have: experience with messaging/event-driven architectures (Kafka, MQ, etc.), financial services, fund administration, or transfer agency domain experience, exposure to cloud-native development practices.

What you can expect from us?

• Contract Stability
• High level of autonomy and independence
• Senior role: The chance to act as a Backend Developer
• Participation in key projects
• International collaboration: Building and cultivating partnerships across various business regions

Employment agency entry number 47

this job offer is intended for people over 18 years of age

What will your tasks involve?

• Develop and maintain backend services and RESTful APIs using Java or .NET.
• Design data models and integrate with relational/NoSQL databases as required
  by portal functionality.
• Collaborate with front-end developers to define API contracts and ensure smooth
  integration.
• Build and deploy services within containerized environments
  (Docker/Kubernetes/OpenShift).
• Implement secure coding practices, unit/integration testing, and CI/CD pipeline
  integration.
• Optimize service performance, scalability, and reliability.
• Troubleshoot and resolve production issues, participating in on-call/support
  rotations as needed.
• Participate in Agile ceremonies, sprint planning, and technical design
  discussions.