About this role
Senior Backend Engineer (Java / Kotlin / AWS) at ProMedia Group. Location: Torun, Kuyavian-Pomeranian Voivodeship, Poland. Role: designing services, building services, maintaining services Requirements: 5+ years backend development with Java/Kotlin, production AWS experience (ECS, Lambda, S3, RDS/DynamoDB), PostgreSQL/NoSQL knowledge, Docker and CI/CD (GitHub Actions), distributed systems and event-driven architecture, fluent Polish and English. Category: Software Development Seniority: Senior Level Tools: Java, Kotlin, AWS ECS, AWS App Runner, AWS Lambda, PostgreSQL, DynamoDB, RedShift, Redis, S3, RabbitMQ, SNS, REST, API Gateway, OpenTelemetry, Tempo, Prometheus, Grafana, GitHub Actions, Docker, ECR, Auth0, GraphHopper, PostHog, Sentry, Claude Commitment: Full Time Workplace: Remote Languages: Polish, English