About this role
Senior Backend Engineer (Java / Kotlin / AWS) at ProMedia Group. Location: Torun, Kujawsko-Pomorskie, Poland. Role: designing services, building microservices, instrumenting services Requirements: 5+ years backend development with Java/Kotlin, AWS production experience, distributed systems and microservices design, Docker and CI/CD, PostgreSQL/DynamoDB, strong communication and autonomous ownership. Category: Software Development Seniority: Senior Level Tools: Java, Kotlin, JVM, AWS ECS, App Runner, Lambda, PostgreSQL, DynamoDB, RedShift, Redis, S3, RabbitMQ, SNS, SQS, REST, API Gateway, OpenTelemetry, Tempo, Prometheus, Grafana, GitHub Actions, Docker, ECR, Auth0, GraphHopper, PostHog, Sentry, Claude Commitment: Full Time Workplace: Onsite Languages: Polish, English