Senior Backend Developer (Node.js, TypeScript, Temporal)

Quick Facts

• Role: Senior Backend Developer
• Focus: Backend APIs and workflow execution engine using Node.js, TypeScript, Temporal
• Work model: 100% remote (office in Wroclaw available for visits; hybrid/onsite optional)
• Contract: B2B
• Rate: 140–160 PLN/hour

Description

You will develop the backend and workflow engine behind Workflow Builder, working mainly with Node.js, TypeScript, and Temporal. The role includes end-to-end ownership, from development through deployment and production support, including integrations with customer systems and durable workflow execution.

Responsibilities

• Develop the backend, APIs, and workflow execution engine
• Build integrations with external and customer systems
• Work with Temporal for durable workflow execution
• Improve performance, scalability, and reliability
• Support deployments, testing, and production troubleshooting

Requirements

• Strong 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

Benefits

• Private medical card
• Multisport card
• Life insurance
• 100% remote work