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Contract Typescript Developer Jobs in California

Wipro Limited

DEVELOPER L4(CONTRACT)

Woodland Hills, CA · On-site

$60K - $148.50K/yr

DEVELOPER L4(CONTRACT) City: Woodland Hills State/Province: California Posting Start Date: 5/15/26 ... TypeScript, HTML5, CSS3/SCSS • Experience integrating with REST APIs and microservices • ...

Akraya Inc.

Frontend Developer: 26-01376

San Francisco, CA · On-site

$40 - $42/hr

... TypeScript (Advanced), JavaScript (Advanced), HTML(Proficient), CSS(Proficient) Contract Type: W2 ... We are seeking a proficient Front-End Angular Software Engineer to join our service software team ...

Purple Drive Technologies

React Developer

Sunnyvale, CA · On-site

$122.10K - $142K/yr

Contract / Full-time Job Summary We are seeking a skilled ReactJS Developer to design, develop, and ... Knowledge of Next.js , TypeScript , or Node.js . * Exposure to CI/CD pipelines and Agile/Scrum ...

Staffingine LLC

Java Full Stack Developer

San Jose, CA · On-site

$61.50 - $79.50/hr

Contract * 8+ yr experience * Develop and maintain web applications using Java Spring Boot for ... Handson experience with Angular v8 TypeScript HTML5 CSS3 and JavaScript * Experience with SQL and ...

Staffingine LLC

Java Full Stack Developer

San Jose, CA · On-site

$61.50 - $79.50/hr

Contract * 8+ yr experience * Develop and maintain web applications using Java Spring Boot for ... Handson experience with Angular v8 TypeScript HTML5 CSS3 and JavaScript * Experience with SQL and ...

Staffingine LLC

Java Full Stack Developer

San Jose, CA · On-site

$61.50 - $79.50/hr

Contract * 8+ yr experience * Develop and maintain web applications using Java Spring Boot for ... Handson experience with Angular v8 TypeScript HTML5 CSS3 and JavaScript * Experience with SQL and ...

millenniumsoft

Cloud SaaS Developer - Remote

San Diego, CA · On-site +1

$59.75 - $81.75/hr

Staff Software Engineer - Remote (Strong expertise with Go, TypeScript and Exp in Research ... Contract on W2 (Need US Citizens or GC Holders or GC EAD or OPT or EAD or CPT) : * Client Software ...

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What are the key skills and qualifications needed to thrive as a Contract Typescript Developer, and why are they important?

To thrive as a Contract Typescript Developer, you need a strong command of TypeScript, JavaScript, and web development fundamentals, often backed by a degree in computer science or relevant experience. Familiarity with frameworks like React or Angular, version control (Git), and experience with build tools and CI/CD systems are typically required. Excellent problem-solving, communication, and time management skills help developers stand out, especially in remote or fast-paced contract environments. These abilities ensure high-quality, maintainable code and seamless collaboration with diverse teams, which is vital for delivering successful projects on time.

What are some typical challenges a Contract Typescript Developer might face when joining a new project?

As a Contract Typescript Developer, you may encounter challenges such as quickly adapting to an existing codebase, aligning with the team's development standards, and understanding project-specific workflows. Since contract roles often require rapid onboarding, you might need to familiarize yourself with various tools, libraries, and deployment processes in a short timeframe. Additionally, effective communication with remote or cross-functional teams is essential to ensure smooth collaboration and timely delivery of tasks.

What is a Contract Typescript Developer?

A Contract Typescript Developer is a software professional who specializes in using the TypeScript programming language to build and maintain web and software applications on a contractual basis. Unlike full-time employees, contract developers are typically hired for specific projects or timeframes, providing flexibility for both the developer and the employer. TypeScript is a superset of JavaScript that adds static typing, which helps in catching errors early and improving code quality. These developers often work remotely or on-site, collaborating with teams to deliver high-quality code solutions. Their expertise is highly sought after for projects requiring scalable, maintainable, and robust applications.
What are the most commonly searched types of Typescript Developer jobs in California? The most popular types of Typescript Developer jobs in California are:
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Frontend Systems Developer (contract)

Frontend Systems Developer (contract)

Atomic Machines

Emeryville, CA • Hybrid

$120.30K - $139.90K/yr

Other

Posted 6 days ago

Job description

Atomic Machines is ushering in a new era of micromanufacturing with its Matter Compiler technology platform. This platform enables new classes of micromachines to be designed and built by providing manufacturing processes and a materials library that are inaccessible to semiconductor manufacturing methods. It unlocks MEMS manufacturing not only for device classes that could never be produced by semiconductor methods, but also for entirely new categories. Furthermore, this digital platform is fully programmable in the way 3D printing is digital-but whereas 3D printing produces parts of a single material using a single process, the Matter Compiler technology platform is a multi-process, multi-material system: bits and raw materials go in, and complete, functional micromachines come out. The Atomic Machines team has also created an exciting first device-made possible only through the Matter Compiler technology platform-that we will be unveiling to the world soon.
 
Our offices are in Emeryville and Santa Clara, California.
About The Role

In this role you will help maintain and extend a web-based visual graph editor for manufacturing workflows. Users create and connect nodes representing materials/workpieces/tools and manufacturing steps (processes/inspections), validate the resulting workflow against catalogs and strict data contracts, and export a schema-compliant JSON representation for downstream tooling.

This role blends UI engineering with data integrity work. The editor must stay responsive on large graphs, preserve correctness (IDs, validation, export format), as well as support collaboration workflows through version control integrations.

This is a part-time, hybrid, freelance/contract role. Hours:

  • 1st 60 days: 20-40 hours per week
  • Ongoing: 10-20 hours (minimum) per week
What You'll Do
  • Build and maintain a React + TypeScript UI for a graph editor (node/edge creation, selection, multi-select, drag/drop, property panels)
  • Implement schema-driven validation and export (JSON Schema / AJV), ensuring stable, backwards-compatible outputs as schemas evolve
  • Improve performance and reliability for large graphs (rendering, minimizing re-renders, preventing UI jitter, safe persistence)
  • Support workflows around identity/ID rules, including ID generation, transformations on copy/paste/import, and "minting/locking" behaviors that freeze certain fields once finalized
  • Maintain integrations used in real production workflows: 
    • GitLab API (branching, committing files, MR workflows)
    • Methods API (catalog sync, offline fallback, validation that blocks pushes when API is down)
    • Authentication (Okta)
  • Ship small-to-medium features end-to-end: UI, state changes, validation, tests, and docs
  • Triage bugs from real users (manufacturing/process engineers), reproduce quickly, and implement safe fixes
  • Add/maintain unit tests (Jest + TS) around tricky logic (ID transformation, export validation, API sync behavior)
  • Keep the build/lint/test pipeline healthy (Vite, TypeScript, ESLint, Jest) and handle dependency upgrades carefully
  • Collaborate asynchronously with a cross-functional team (process, production, AI) through clear PRs, strong commit hygiene, and pragmatic technical decisions
  • Tools/Stack You'll Work With: React 18, TypeScript, Vite, Tailwind CSS, ReactFlow, AJV (JSON Schema), Jest, ESLint, GitLab API, OpenAPI, Okta
What You'll Need
  • Experience building complex, stateful UI systems (not CRUD/dashboard apps)
  • Strong React + TypeScript with state management + performance optimization
  • Experience with graph/diagram editors or similar interaction-heavy UIs
  • Experience with large in-memory data + UI/data synchronization
  • Experience with validation systems + deterministic outputs (schema, exports)
  • Strong debugging in complex systems + ability to explain tradeoffs
  • Experience leading complex, ambiguous problems across cross-functional teams with multiple stakeholders
Bonus Points For:
  • Manufacturing background (MES, process planning, CAD/CAM adjacent tooling, "recipes/methods/catalog" concepts)
  • JSON Schema / AJV experience and comfort with strict data contracts
  • GitLab API experience, auth systems (Okta/OIDC), or "internal tool" deployment constraints
 

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