Formation Bio
Senior Software Engineer
$186K–$232K
New York, NY +5 · Senior · Full-time · Posted Sep 18, 2026
- Location
- New York, NY
Boston, MA
San Francisco, CA
116 Huntington Ave., Back Bay, Boston, MA, 02116
16 E 34th St., New York City, NY, 10016
San Francisco, California, United States - Experience
- 5+ years building and shipping production software, or equivalent senior-level experience.
About the job
Build and operate backend-centered products and platforms, including AI-enabled workflows and systems that help people and agents make better decisions.
What you'll do
- Own product or platform outcomes from problem definition through launch and iteration; build and operate production services, APIs, databases, and distributed systems.
- Design AI-enabled and agentic workflows, including tool use, retrieval, data access, evaluation, and human review.
- Collaborate across engineering, data, science, and SRE; review designs and code, mentor engineers, and communicate tradeoffs.
What they ask for
- 5+ years building and shipping production software, or equivalent senior-level experience.
- Strong backend and systems fundamentals, including APIs, distributed systems, databases, cloud services, and asynchronous workflows.
- Daily experience using AI tools, LLMs, or agentic development systems in engineering work.
- Experience operating production software with appropriate testing, observability, security, and post-launch follow-through.
Nice to have
- Pharmaceutical, biology, and/or biotechnology software and data experience.
- Experience building AI-enabled software, agentic workflows, retrieval systems, tool integrations, or other ML-powered products; familiarity with ML concepts is also a plus.
Pay
$185,500 - $232,000 (USD, total pay)
Tools
APIs, LLMs
AI focus
Use AI and agentic development tools throughout software development, and build responsible AI-enabled and agentic workflows with retrieval, tool use, data access, evaluation, and human review.
Model-written summary · the original posting is authoritative