Senior Backend Engineer (Java/Kotlin, AI-assisted development)

Project overview

We are looking for: Senior Backend Engineer (Java/Kotlin, AI-assisted development)

General info:

• Location: remote (occasional on-site planning meetings in Poland)
• Start: ASAP
• Duration: initial 6-month contract with planned extension
• General info: contract, full-time
• Rate: 140-170 PLN/h

Responsibilities

• Design, develop and maintain backend applications in the JVM ecosystem
• Solve technical problems using AI tools and coding agents
• Design application architecture and make technical decisions
• Create and maintain automated tests
• Take part in deployments, monitoring and keeping applications stable
• Look after observability, reliability and performance of the services
• Take part in on-call duty and resolve production issues
• Work with the team on services that handle high traffic

Requirements

Sounds interesting? Contact me:

• Experience at Senior Backend Engineer level
• Very good knowledge of Java or Kotlin and the JVM ecosystem
• Hands-on experience with AI-assisted programming, especially AI coding agents
• Ability to delegate tasks to AI effectively and verify the quality of generated code
• Strong analytical, logical thinking and problem-solving skills
• Ability to design backend applications independently and make architectural decisions
• Experience with high-traffic applications
• Independence and ownership of the full software lifecycle
• [contact removed]
• [contact removed]

Project details

• Start: flexible
• Remote: remote
• Location: Warszawa, Emilii Plater, PL
• Rate: 140-170 EUR/h