Senior Java/Kotlin AI Platform Engineer — Hybrid (Warsaw)

Britenet; Warszawa; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Team events

Flexible hours

Hybrid work

Job summary

Britenet in Warsaw is seeking an experienced Java Developer to join a team delivering highly complex solutions. You will design and implement scalable Kotlin-based features and distributed components, with ownership of quality, observability, and technical debt.

The role involves integrating AI capabilities with LLMs and agentic frameworks, collaborating closely with Product Managers, UX Designers, and cloud engineers on GCP/Kubernetes, and mentoring teammates.

Qualifications

• Min. 5 years of experience as Java Developer.
• Proven track record delivering highly complex solutions.
• Strong Java ecosystem knowledge: Java, Kotlin, Groovy, Spring.
• Experience with Spark, Hadoop, Mesos and TensorFlow.
• Experience with TDD, DDD, CI/CD, and Pair Programming.
• Strong Polish and English communication (B2).
• Open to hybrid work from the client's Warsaw office.

Responsibilities

• Design, build, and maintain highly scalable Kotlin-based features and distributed components, owning code quality, observability, and technical debt management.
• Drive the technical implementation of AI capabilities by integrating LLMs, agentic frameworks, and smart automation into the core platform to enhance end-user experience.
• Collaborate with Product Managers, UX Designers, and cloud engineers on GCP/Kubernetes, evaluating trade-offs, managing risks, and mentoring the team.
• Act as autonomous contributor within a team of specialists.

Skills

Java

Kotlin

Groovy

Spring Framework

Python

Go

Apache Spark

Apache Hadoop

Apache Mesos

TensorFlow

TDD

DDD

CI/CD

Pair Programming

LLM integration

System design

Observability

Architecture

Risk management

Cross-functional collaboration

Polish language

English language

Tools

Kubernetes

GCP

Job description

Britenet in Warsaw is seeking an experienced Java Developer to join a team delivering highly complex solutions. You will design and implement scalable Kotlin-based features and distributed components, with ownership of quality, observability, and technical debt.

The role involves integrating AI capabilities with LLMs and agentic frameworks, collaborating closely with Product Managers, UX Designers, and cloud engineers on GCP/Kubernetes, and mentoring teammates.