Senior TypeScript Developer Needed for Product Launch Build

TechFlow Inc

Freelance · Remote · Flexible hours

About the role

We are overhauling the performance and reliability of our customer‑facing services. The project demands a senior TypeScript developer who can redesign critical modules, improve latency, and enforce robust error handling across the stack.

Key responsibilities

• Refactor existing TypeScript codebases for speed and stability
• Implement advanced caching and load‑balancing strategies
• Write comprehensive unit and integration tests
• Collaborate with UI teams to ensure seamless API contracts
• Monitor and profile services in production, iterating on bottlenecks

Must-have skills

• 5+ years of TypeScript development
• Deep experience with Angular and React ecosystems
• Proven track record optimizing high‑traffic services
• Strong understanding of asynchronous patterns and performance profiling

Nice to have

• Familiarity with Node.js serverless frameworks
• Experience with observability tools (Grafana, Prometheus)
• Background in CI/CD pipeline enhancements