Raydar
Lead Software Engineer
$185K–$210K
Boston, Massachusetts · Full-time · Posted Oct 15, 2026
- Experience
- 6+ years of software engineering experience; 6 to 10 years ideal.
- Visa sponsorship
- U.S. work authorization.
About the job
Lead hands-on product and engineering work, delivering enterprise and consumer features, AI-driven functionality, and technical direction while mentoring engineers.
What you'll do
- Build upcoming enterprise deliverables and updates to an existing consumer application; shape the product roadmap with leadership.
- Build, debug, and evaluate LLM-based agents, including prompt design and testing harnesses.
- Own security and compliance readiness; mentor engineers through work assignment, code review, and hiring.
What they ask for
- Experience taking user-facing products from zero to one at a startup or leading product company.
- Ability to build front-end and back-end features using React, Python, and a major cloud platform.
- Production experience with LLM-powered features, including agent coordination, input design, quality testing, safeguards, and monitoring.
- Experience coaching and guiding engineers; ability to work on-site five days a week in Boston; U.S. work authorization.
Nice to have
- Prior founding engineer or technical leadership experience; healthcare or other regulated-field background.
- Familiarity with security and privacy compliance frameworks; interest in UI craft and design tools; degree from a top-tier university or equivalent experience.
Pay
USD 185,000 to 210,000 per year (base salary)
Tools
React, Python
AI focus
Build, debug, evaluate, and run LLM-powered agents and features in production, including prompt design, agent coordination, quality testing, safeguards, and behavior monitoring.
Model-written summary · the original posting is authoritative