Java Engineer with AI/ML Experience

About us

TR Labs is a technology company helping B2B clients across Europe turn complex business

problems into reliable, intelligent software.

In this role, you’ll join the engineering team of a global telecom technology company as a fully

integrated member, with TR Labs as your employer and support.

What you’ll do

• Design, build, and ship production-grade software within the client’s platform, primarily in Java

• Develop and evolve backend services, integrations, and data flows

• Contribute to AI/ML and LLM-based initiatives as the product roadmap requires

• Work with product and engineering stakeholders to turn business problems into reliable technical solutions

• Write clean, tested, well-documented code and take part in code reviews and architecture discussions

What we’re looking for

• 4+ years of professional software engineering experience, with Java as your main language

• Proven hands-on experience with AI/ML and LLM-based solutions (e.g. model integration, RAG,

agents, vector databases, OpenAI/Anthropic APIs)

• Experience with cloud platforms (AWS, GCP, or Azure), Docker, and CI/CD

• Solid knowledge of SQL and data handling at scale

• Fluent English, written and spoken

• Ability to work independently in a client-facing, distributed team

Nice to have

• Python, plus experience with other languages such as Go or TypeScript

• Telecom domain experience (roaming, billing, signaling, network data)

• MLOps experience (MLflow, Kubeflow, SageMaker, or similar)

• Kubernetes and microservices architecture