Freelance / Remote Senior Software Engineer

Location: Remote (Work from Anywhere)

Type: Full-Time | Contract-Based | Flexible

Experience: 4+ Years

Industry: SaaS, AI, GenAI, Startup Tech

Education: Bachelor’s degree in Computer Science, Engineering, or related field (required)

About HYI.AI

HYI.AI is on a mission to empower startups with virtual tech teams and GenAI-powered tools. We’re building platforms that reduce development timelines, automate routine workflows, and provide high-quality tech solutions at scale.

We’re looking for a Senior Software Engineer who can design and build scalable systems, lead product development, and drive innovation across our AI-enabled platforms.

Your Role

• Lead the architecture and development of full-stack web or mobile applications
• Collaborate with cross-functional teams (AI, UI/UX, Product, and Founders) to ship production-grade features
• Own the software development lifecycle — from planning and coding to deployment and support
• Mentor junior engineers and review code for performance, security, and best practices
• Contribute to technical decisions, DevOps practices, and overall product direction
• Write clean, efficient, and scalable code in a fast-paced agile environment

Tech Stack We Use

• Languages & Frameworks: JavaScript (React, Node.js), Python (Flask, FastAPI), TypeScript
• Databases: PostgreSQL, MongoDB, Redis
• Cloud & DevOps: AWS, Docker, GitHub Actions, Firebase, Vercel
• AI Tools: OpenAI APIs, LangChain, Supabase, Pinecone
• Others: REST APIs, GraphQL, Webhooks, Microservices, Serverless Functions

What We’re Looking For

• 4+ years of hands-on software engineering experience
• Strong proficiency in backend or full-stack development
• Deep understanding of scalable system design, data modeling, and API development
• Experience leading projects or mentoring developers in cross-functional teams
• Clear communication, especially in remote and async settings
• Experience in SaaS, startup, or fast-paced product environments preferred
• Bachelor's degree in Computer Science or related field (required)

What You’ll Get

• Lead impactful projects that power real startups and products
• Work with a high-energy, mission-driven remote team
• Autonomy to make key decisions without micromanagement
• Access to cutting-edge GenAI tools and integration opportunities
• Competitive compensation, flexible hours, and global exposure