HYI.AI
HYI.AI

Freelance / Remote Full Stack Developer

July 1, 2025
Part-time
Remote · United States
Mid-Senior level
Front-end Developer
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Position: Freelance Full Stack Developer

Location: Remote (Work from Anywhere)

Type: Full-Time | Contract-Based | Flexible

Experience: 2+ Years

Industry: Artificial Intelligence | SaaS | Startup Tech

About HYI.AI

HYI.AI is a forward-thinking Virtual Assistance and GenAI platform designed for startups, entrepreneurs, and tech pioneers. We specialize in delivering virtual talent, advanced GenAI solutions, and custom AI/ML deployments to help founders scale faster and smarter.

We’re on a mission to empower the next generation of global startups—and we’re looking for skilled Full Stack Developers to join our remote team.

Your Role

As a Full Stack Developer at HYI.AI, you’ll:

  • Design, develop, and maintain scalable web applications across the entire tech stack.
  • Collaborate with designers, AI engineers, and product teams to deliver smart, user-centric features.
  • Work on both front-end and back-end systems to build high-performance applications.
  • Integrate third-party APIs, cloud services, and LLMs (e.g., OpenAI, Gemini).
  • Optimize systems for performance, scalability, and security.
  • Contribute to Agile development cycles, code reviews, and CI/CD workflows.
  • Take end-to-end ownership of features—from concept to launch and maintenance.

Our Tech Stack

You don’t need to know everything—but experience with any of the following is a plus:

  • Frontend: React.js, Next.js, Tailwind CSS, TypeScript
  • Backend: Node.js, Express.js, Python (Flask/FastAPI), Django
  • Databases: PostgreSQL, MongoDB, Redis
  • Infrastructure: AWS, Docker, GitHub Actions, Vercel
  • AI Integration: OpenAI APIs, LangChain, Pinecone, Supabase
  • Other Tools: Firebase, Webhooks, REST/GraphQL APIs

What We’re Looking For

  • 2+ years of experience in full-stack development.
  • Proficiency with modern front-end frameworks and RESTful API development.
  • Experience with cloud services (AWS, GCP, etc.).
  • Interest or experience in building with LLMs or GenAI tools is a strong plus.
  • Strong problem-solving abilities and a proactive, self-driven attitude.
  • Excellent communication and collaboration skills in a remote setup.

Nice to Have

  • Experience building AI-powered chatbots or working with prompt engineering.
  • Background in early-stage startups or fully remote teams.
  • Familiarity with CI/CD, serverless architectures, or multi-tenant SaaS platforms.

What You’ll Get

  • Fully remote and flexible working environment
  • The chance to work on cutting-edge GenAI and AI/ML projects
  • Mentorship from seasoned AI engineers and startup leaders
  • Competitive compensation aligned with your skills and experience
  • Global exposure through collaboration with visionary founders and clients