About this role
Freelance Kotlin Developer (Fulltime) at ProMedia Group. Location: Torun, Kujawsko-Pomorskie, Poland. Role: designing services, maintaining services, resolving incidents Requirements: Must have work permit for Poland, 5+ years backend experience in Java and/or Kotlin, production AWS (ECS, Lambda, S3, RDS/DynamoDB), PostgreSQL or NoSQL, Docker, CI/CD (GitHub Actions), distributed systems and event-driven architecture experience, strong self-direction and clean code practice. Category: Software Development Seniority: Senior Level Tools: Java, Kotlin, AWS ECS, App Runner, Lambda, PostgreSQL, DynamoDB, RedShift, Redis, S3, RabbitMQ, SNS, REST (API Gateway), OpenTelemetry, Tempo, Prometheus, Grafana, GitHub Actions, Docker, ECR, Auth0, GraphHopper, PostHog, Sentry Commitment: Full Time, Contract Workplace: Remote Languages: English