Senior Fullstack Engineer
GW97
Posted: 20/10/2025
- $200,000-$250,000
- Boston, MA
- Permanent
About the job
🚀 Senior Full-Stack Engineer
📍 Cambridge, MA
🕒 Start: ASAP | 💼 Full-time | 💰 Salary: Flexible | 📈 Equity available
About This Team:
We’re partnered with a fast-growing startup at the intersection of AI and systems optimization, building data-driven products with real impact.
What you’ll do in this role:
- Design, build, and scale front- & back-end systems in TypeScript
- Ship reliable, secure solutions with React/Next.js and Node.js
- Own performance, observability, and quality end-to-end
- Elevate our engineering culture via reviews and continuous learning
What you bring
- Deep full-stack expertise (TypeScript, React, Node)
- Cloud chops (AWS/Azure/GCP), containers (Docker/K8s), and SQL/NoSQL
- Strong API design, security, and performance mindset
- Bonus: AI/ML exposure, DevOps/IaC, startup experience
Why This Team?
Impact, ownership, and growth—plus competitive comp, equity, benefits, and tight collaboration.
Process (fast & friendly):
Intro (30m) → Tech + coding (60m) → Coding + architecture (60m) → On-site half-day

Anna Heneghan
Senior ML Research & Engineering Recruiter