Freelance
Remote (Work from Home) Jobs
Remote
Gateway is hiring a hands-on Senior Full-Stack Software Developer to help build, improve, and scale the technology behind our AI-powered B2B platform. This role is for an experienced builder who embraces the startup grind, uses AI as a core tool to move faster, and is excited to write high-quality code while collaborating closely with the founders on product and business priorities.
Preferred location is hybrid in Northern Virginia (McLean/Tysons), with openness to nearby Virginia (including Richmond) and Maryland. Open to remote working in East Coast hours.
What You Will Do
- Work across the stack on Gateway’s production platform, including frontend, backend, data, and cloud infrastructure and AI/agentic workflows.
- Contribute directly to the codebase using our core technologies: TypeScript, Next.js, PostgreSQL, Python, Google Cloud, and modern LLM/AI tooling.
- Use AI tools as a force multiplier to develop, test, and ship features faster while maintaining quality and...