Freelance AI Agent Builder focusing on AI automation for HR processes at a fintech unicorn in Indonesia. Collaborates with stakeholders to streamline operational efficiencies.
About the role
- Senior Full Stack Engineer (Node.js + React) for a fast-growing AI startup recognized as a Top 10 GenAI company. Building scalable, high-performance web applications for Fortune 500 clients.
Responsibilities
- Design, build, and maintain scalable full stack applications using Node.js, React, and TypeScript.
- Architect and develop robust backend services, APIs, and data models.
- Build modern, production-grade web interfaces with React.
- Own features end to end, from technical design and implementation to deployment and production support.
- Optimize performance across the stack (frontend rendering, API latency, database queries).
- Collaborate closely with product, design, and AI/ML teams to ship user-facing features.
- Establish best practices around testing, code quality, observability, and CI/CD.
- Improve overall system architecture, scalability, and developer experience.
- Debug and resolve production issues across both frontend and backend systems.
Requirements
- 5+ years of experience as a Full Stack Engineer.
- Strong proficiency in Node.js (Express, NestJS, or similar frameworks).
- Strong proficiency in React and TypeScript in production environments.
- Experience designing RESTful APIs and working with databases (PostgreSQL, MongoDB, or similar).
- Solid understanding of modern web architecture and distributed systems fundamentals.
- Experience building scalable, secure, and high-performance applications.
- Familiarity with cloud environments (AWS, GCP, or Azure).
- Comfortable owning features and shipping to production independently.
- Strong collaboration skills across product, design, and backend/ML teams.
Benefits
- Competitive salary & equity options
- Sign-on bonus
- Health, Dental, and Vision
- 401(k)
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
Tech skills
Location requirements
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