Senior Backend Engineer
Description
Wynagrodzenie
B2B: 140 – 170 PLN / godz. netto
Senior Backend Engineer (Kotlin / Java) | Remote |
You will:
Build and maintain backend services behind a high-traffic mobile application, covering chat communication, memory capabilities and user personalization
Work on AI-powered assistants that support the purchasing journey and the pre-purchase experience
Develop new product features and extend existing functionality to cover additional business use cases
Improve and harden existing components, with a focus on scalability, reliability and performance
Take end-to-end ownership of your services: development, maintenance, monitoring and operational excellence
Take part in architectural and technical decisions, as part of a small team (about 6 engineers) with a product-oriented, high-ownership culture
Use AI tools in your daily engineering work and help evolve AI-driven user experiences
You bring:
Strong backend engineering experience in the JVM ecosystem (Kotlin or Java) and a track record of building production-grade systems
Excellent problem-solving and analytical skills, and strong architectural thinking
Practical experience using AI in software development or building AI-enabled features (please make it visible on your CV)
Curiosity about emerging AI technologies and willingness to experiment with them
Experience in fast-paced product environments and comfort taking ownership of services end to end
Strong English communication skills
Nice to have:
Experience with high-scale distributed systems
Observability and monitoring tools (Prometheus, Grafana)
Kotlin (Java developers who are open to learning Kotlin are welcome)