l o a d i n g

Senior TypeScript Developer – Frontend Performance

Sep 16, 2026 - Senior

$2,104.00 Fixed

Keystone Digital

Freelance · Remote · Flexible hours

About the role

We are modernizing a legacy production platform that must stay online 24/7. As a TypeScript Developer you will design and implement new services while ensuring zero‑downtime migrations. Your work will directly shape the next‑gen architecture and improve developer experience.

Key responsibilities

  • Refactor core modules from JavaScript to TypeScript with strict typing
  • Build reusable UI components in Angular and React for internal dashboards
  • Implement feature flags and blue‑green deployment pipelines
  • Write automated tests and integrate them into CI/CD
  • Collaborate with DevOps to monitor performance during rollouts

Must-have skills

  • Advanced TypeScript proficiency
  • Strong experience with Angular and React frameworks
  • Understanding of zero‑downtime deployment patterns
  • Familiarity with RESTful APIs and micro‑service architecture

Nice to have

  • Experience with Docker or Kubernetes
  • Knowledge of legacy code migration strategies
  • Background in automated testing tools like Jest or Cypress
  • Proposal: 0
  • Less than 2 month
AuthorImg
Chris Boling Inactive
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Member since
Oct 27, 2025
Total Job
209