Backend Developer - Typescript/Node

Job Title: Backend Developer - Typescript / Node

Job Type: Contract (Full-time or Part-time)

Location: Remote, (United States)

Job Summary:

Join our customer's team as a Backend Engineer in a project where you will play a pivotal role in building robust APIs, optimizing database interactions, and helping test state-of-the-art AI-driven workflows. This is a hands-on, high-trust position focused on excellence, innovation, and collaboration.

Key Responsibilities:

• Design, develop, and optimize REST and GraphQL endpoints using TypeScript and Node.js.
• Implement rigorous data validation, error handling, and ensure high reliability of backend systems.
• Lead and execute database migrations and performance tuning to support scalable applications.
• Engage in self-driven, open-ended tasks, bringing your own workflow insights to model testing
• Collaborate directly with the research team via Slack, providing real-time feedback and thoughtful insights on AI model performance.
• Submit thorough post-sprint surveys to inform ongoing product and model improvement.

Required Skills and Qualifications:

• 5+ years of professional experience in backend/API development with strong expertise in TypeScript and Node.js.
• Proven track record of building and maintaining RESTful and GraphQL APIs.
• Hands-on experience with database schema design, migrations, and query optimization.
• Exceptional written and verbal communication skills; ability to articulate technical issues and insights clearly.
• Demonstrated ability to work with confidential or sensitive data in a secure, high-trust environment.
• Enthusiastic coder who enjoys experimenting with AI and pushing boundaries in software engineering.

Preferred Qualifications:

• Active contributor to open source projects, GitHub repositories, or have notable community presence as a proxy for trainer quality.
• Experience evaluating or integrating AI/ML models into backend systems.
• Previous participation in user research or feedback-driven product development cycles.