Full Stack Developer
The ArenaFull Stack Developer (Onsite – Boston, MA)
Location: Boston, MA (onsite, no remote)
Clearance: U.S. Citizen, eligible for Secret or TS/SCI
Employment Type: Full-time, salaried, with benefits
The Company & Mission:
Our client is a fast-growing startup building technology at the intersection of artificial intelligence, national security, and government digital modernization. They are backed by top-tier venture investors and deployed with major customers across the U.S. national security ecosystem.
The team moves fast, builds aggressively, and operates with a deep sense of mission — bringing modern software, data, and AI workflows to complex federal environments.
What This Role Is All About:
This is an early engineering hire where you’ll own features end-to-end, work directly with users, and help shape the product from the ground up.
If you enjoy shipping quickly, operating in ambiguity, and having real influence over what gets built, this role is for you.
What You’ll Be Doing:
- Build and ship full-stack features across React/Next.js and Django/Python
- Design APIs, data models, and backend integrations
- Deploy and operate services in AWS (Docker/Kubernetes)
- Work directly with real users to understand problems and iterate fast
- Help define product direction, engineering standards, and early team culture
What You Bring:
- Onsite in Boston, MA (or willing to relocate)
- Eligible and willing to obtain a U.S. Government security clearance
- 2–5 years of professional software engineering experience
- Experience shipping full-stack features in production
- Comfort with at least one modern frontend framework and one backend language
- Experience working with relational databases (Postgres, MySQL, etc.)
- Thrives in fast-moving, ambiguous startup environments
Bonus Points:
Experience with our stack:
- Frontend: React, Next.js, TypeScript
- Backend: Python, Django
- Data: Postgres, Elasticsearch
- Infra: AWS, Docker, Kubernetes
• Startup or founding engineer experience
• Builder energy (side projects, open source, hackathons)
• Interest in national security, defense, or mission-driven technology
Benefits:
- Competitive salary + meaningful equity
- Full health, dental, and vision benefits
- High ownership, small team, real impact
- Work at the intersection of AI, software, and national security
Job Type
- Job Type
- Full Time
- Location
- Boston, MA
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