100% Remote: Senior Node.js Developer (m/w/d) English speaking
nemensis AG
Ansprechpartner: Emese Éva Hackl
Hamburg, Deutschland
Beschreibung
Senior Node.js Developer (m/w/d)
Start: asap
Duration: Longterm (1year +)
Location: 100% Remote (CET timezone)
Language: English
Important:
- Within Germany, only candidates who are in employment subject to social security contributions can be considered. No freelancers.
- Freelancers based outside Germany are welcome.
Must have ...
JavaScript
- ES6+ & Modern JS - writing clean, maintainable code using current language features and patterns
- Unit & integration testing - writing and maintaining tests using frameworks like Jest or Vitest, covering component logic, async flows, and service integrations, TDD
- Issue analysis & debugging - diagnosing runtime errors, unexpected behavior, performance issues and regressions
TypeScript
- Fundamentals - writing type-safe JavaScript with interfaces, generics, and type inference
- Configuration & tooling - managing tsconfig.json, integrating with build tools, and enforcing type safety
Node.js / Express
- Building and maintaining server-side JavaScript applications and REST APIs for backend services and middleware layers
- Knowledge about Node.js event-loop, asynchronous execution, batch processing, DB transactions
- NPM ecosystem & dependency management - managing packages, versioning, and scripts in Node.js projects using package.json and lockfiles
- Vulnerability analysis - identifying and remediating security issues in dependencies and application code
General
- Software development best practices
- Azure DevOps / GitHub Actions - CI/CD pipeline setup and troubleshooting
- Agentic coding - Claude Code / Copilot, MCP & skill design, context engineering
- Design observability and correctional tooling for operations and support teams
- Fluent English, experience in international/multi-site teams
Good to have ...
- CAP and BTP/BAIP
- SAP CAP (Cloud Application Programming Model, Node.js) - primary development platform with model-first approach
- SAP BTP/BAIP - Cloud Foundry deployment and operations
- OData API design, data modeling, and service consumption patterns