Backend Software Engineer
About The Position
Friday Harbor is a modern AI mortgage underwriting platform. It helps lenders identify problems in a loan file upfront, resolving potential issues earlier, and assembling clean, complete, and compliant files from the start. We’re a Seattle-based startup backed by top-tier investors (Abstract, Mischief, Wischoff, AI2 Incubator, CoFound) and trusted by leading lenders across the country, including several of the top-25 lenders in the country. While our headquarters are in Seattle, our engineering team is fully remote with quarterly off-sites. We offer flexibility and work-life balance while still fostering a collaborative and creative team environment. While our headquarters are in Seattle, our engineering team is fully US remote with quarterly off-sites. We offer flexibility and work-life balance while still fostering a collaborative and creative team environment. Join our team of 5 engineers to build the AI systems that are changing how mortgages get underwritten. You'll work on LLM applications, integrate with third-party mortgage platforms, develop new product features, and optimize performance as we scale. The work spans cutting-edge AI (RAG, agentic workflows) and practical backend engineering (APIs, integrations, data pipelines).
Requirements
- 2-4 years of backend engineering experience
- Bachelor's degree in Computer Science, Engineering, or a related technical field preferred, or equivalent practical experience.
- Motivated and eager to learn. You move fast, take ownership, and actively seek out more responsibility as you grow.
- Strong communicator who can work effectively across a small, distributed team
- Comfortable working in Python or motivated to ramp quickly
Nice To Haves
- Experience at a startup or fast-moving team
- Exposure to LLMs, AI pipelines, or RAG in any context
- Fintech or regulated industry background
Responsibilities
- Build and maintain backend APIs and services supporting our AI underwriting pipeline
- Integrate with third-party mortgage systems including LOS platforms, document providers, and credit bureaus
- Contribute to LLM-powered features and agentic workflows as you grow your AI engineering skills
- Collaborate closely with a small, high-caliber team where your voice carries real weight
Benefits
- competitive cash salary ($130-160k)
- significant equity compensation
- complete benefits package
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
