Javascript Developer

$50 - $70/hourpay

Required Skills

JavaScript
About micro1
micro1 is a data engine that helps AI labs train foundational models and enterprises build AI agents. We provide frontier evaluations and reinforcement learning environments used to improve LLM capabilities, as well as contextual evaluations used to monitor and improve AI agents in enterprise settings. Our data engine includes an AI recruiter agent that sources and vets domain experts, a data platform that enables rapid production of high-quality training data, and a pipeline performance system that ensures both quality and velocity.
Our goal is to have 1 billion people doing meaningful work by contributing their expertise to the development of frontier AI models. We’ve raised $40M+ in funding, and our AI recruiter has powered more than 1 million AI-led interviews as our global network of experts expands to form the human intelligence layer for AGI.

Job Description

Job Title: Javascript Developer


Job Type: Contractor


Location: Remote


Job Summary:

We are seeking an expert Javascript Developer to join our customer's team and help drive the development of robust, high-performance web applications. You will leverage advanced JavaScript skills in both frontend and backend environments, collaborating closely with cross-functional teams to deliver impactful features and scalable solutions. This is a unique opportunity to contribute to mission-critical projects in a fast-evolving tech landscape.


Key Responsibilities:

  1. Design, develop, and maintain scalable web applications using modern JavaScript (ES6+) and TypeScript across the stack.
  2. Lead refactoring, modernization, and migration initiatives to enhance code quality and application performance.
  3. Build and optimize responsive user interfaces and backend services utilizing current frameworks and runtimes.
  4. Collaborate with designers, product managers, QA, and DevOps to deliver features aligned with evolving requirements.
  5. Conduct code reviews, mentor junior developers, and foster best practices and clean code standards.
  6. Troubleshoot, diagnose, and resolve complex technical issues and performance bottlenecks.
  7. Write and maintain comprehensive technical documentation and communicate project status and solutions clearly in both written and verbal forms.


Required Skills and Qualifications:

  1. 5+ years of professional experience with JavaScript (ES6+) and TypeScript.
  2. Hands-on expertise in React.js (or Next.js) for frontend and Node.js (with Express or NestJS) for backend development.
  3. Strong knowledge of RESTful APIs, asynchronous programming, and frontend state management.
  4. Experience with relational or NoSQL databases such as PostgreSQL or MongoDB, and ORM/ODM tools.
  5. Proficiency working with version control systems (Git) in collaborative environments.
  6. Exceptional problem-solving skills and proficiency in writing clean, testable, maintainable code.
  7. Excellent written and verbal communication abilities; capable of articulating technical concepts to diverse audiences.
  8. Proven ability to collaborate in distributed, agile teams with at least 6+ hours overlap with Eastern Time (ET) work hours.


Preferred Qualifications:

  1. Experience with advanced frontend (Next.js, Remix) and backend (NestJS, Fastify) frameworks.
  2. Familiarity with cloud platforms (AWS, GCP, Azure), Docker, Kubernetes, and DevOps best practices.
  3. Knowledge of GraphQL, WebSockets, real-time applications, and participation in the JavaScript/TypeScript community.

Apply now

Please note that after completing the interview process, you’ll be added to our talent pool and considered for this and other roles that match your skills.

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