Software Engineer – Typescript/NodeJS

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Software Engineer - Typescript/NodeJS

Ref: JO-2609-363575

• Netherlands, Amsterdam

• Software Development & Engineering, Technology

• IT

• 1,000 - 4,999 Employee

• Environment:

  Hybrid

• Contract Type:

  Contract

• Starts:

  2026-10-20

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Salt is currently hiring a Software Engineer for a client of ours in Amsterdam.

Role is freelance(kvk/zzp needed) for 12 months, paying around 95-100 euros an hour.

We’re looking for a Software Engineer to design, build, deploy, and operate reliable, scalable software services. You’ll take end-to-end ownership of solutions, contribute to architecture and technical decisions, and work closely with product and engineering teams.

Key Responsibilities

• Design and build scalable, secure, and maintainable applications and APIs.
• Own solutions end-to-end - from design and development through testing, deployment, monitoring, and production support.
• Build reliable distributed systems using TypeScript/Node.js, AWS Lambda, S3, DynamoDB, queues, workers, and orchestration.
• Design for resilience with timeouts, retries, idempotency, circuit breakers, dead-letter handling, and graceful degradation.
• Apply strong testing practices, including unit, integration, and contract testing.
• Monitor and improve production systems using logs, metrics, traces, SLIs, SLOs, and meaningful alerts.
• Investigate production issues, lead root-cause analysis, and implement long-term reliability improvements.
• Contribute to architecture, technical design, and continuous improvement initiatives.
• Collaborate effectively with product, engineering, and partner teams to clarify requirements and solve complex problems.

Must-Have Skills

• Strong experience with TypeScript/Node.js and API development.
• Hands-on experience with AWS and serverless/distributed systems.
• Strong understanding of queues, workers, orchestration, scaling, retries, and idempotency.
• Experience with S3, DynamoDB, security, observability, testing, CI/CD, and production operations.
• Ability to independently deliver software from design through production.
• Strong programming fundamentals and experience writing clean, reusable, maintainable code.
• Experience with coding agents and modern AI-assisted development.
• Strong problem-solving, communication, and collaboration skills.

*Rates depend on experience and client requirements

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