Object First seeks an AWS Backend Developer in Poland with 3+ years' software engineering experience. The role focuses on Node.js backend development for autoscaling microservices, DynamoDB design, telemetry collection/processing/visualization, message broker integration, and deploying/managing containerized applications and AWS infrastructure (EC2, LightSail, ECS, load balancers) using monitoring/observability tools such as Prometheus, Grafana, and AWS Timestream.