Senior Backend Developer | Node.js, TypeScript, Temporal

Location: 100% Remote (office in Wroclaw - if you want to visit us or work hybrid/onsite)Contract Type: B2BRate: 140-160 PLN/hourWe are looking for a Backend Developer to develop the backend and workflow engine behind Workflow Builder. You will work mainly with Node.js, TypeScript and Temporal, building reliable workflow execution and integrations with customer systems. The role offers end-to-end ownership, from development to deployment and production support.ResponsibilitiesDevelop the backend, APIs and workflow execution engine.Build integrations with external and customer systems.Work with Temporal and durable workflow execution.Improve performance, scalability and reliability.Support deployments, testing and production troubleshooting.ExpectationsStrong commercial experience with Node.js and TypeScript.Experience with Temporal or another durable execution engine, including retries, replay, idempotency and failure handling.Good knowledge of PostgreSQL, Redis and REST APIs.Experience with AWS or Azure, Docker and CI/CD.Nice to have: Temporal TypeScript SDK, Kubernetes, Terraform, OpenTelemetry, React / React Flow.Additional PerksPrivate medical cardMultisport cardLife insurance100% remote work