Startups · AI

Senior Staff Software Engineer, AI Developer Experience

SoFi · CA - San Francisco; WA - Seattle · On-site

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About SoFi

Backed by IVP.

About the role

SoFi's AI Platform team builds the foundation that lets every engineer at SoFi ship faster, safer, and with more leverage from AI. Our AI Developer Experience (AI DevEx) team owns SoFi's interactive coding strategy and the underlying infrastructure: AI economics, coding harnesses and harness vending, our evaluation platform, the AI Gateway, and intelligent model routing. Found on 1752vc Careers, the job board for startup and VC roles.

What they're looking for

  • Education & Minimum Experience Requirements: Bachelor’s Degree + 4+ Years of Experience OR Master’s Degree + 3+ Years of Experience in software engineering, computer science, or a related technical field
  • Proven track record of technical leadership on software initiatives spanning multiple teams and complex distributed architectures
  • Adept system design capability with large-scale, high-availability distributed systems, platform infrastructure, and cross-domain APIs
  • Hands-on engineering experience building with LLM-based architectures, model APIs, and AI-assisted development tools (coding agents, developer harnesses, prompt/context evaluation, tool integration)
  • Hands-on experience designing or operating model evaluation pipelines, AI proxies/gateways, or dynamic routing systems
  • Demonstrated ability to analyze infrastructure unit economics, capacity trade-offs, and operational telemetry
More about this role

Shape a brighter financial future with us.

Together with our members, we’re changing the way people think about and interact with personal finance.

We’re a next-generation financial services company and national bank using innovative, mobile-first technology to help our millions of members reach their goals. The industry is going through an unprecedented transformation, and we’re at the forefront. We’re proud to come to work every day knowing that what we do has a direct impact on people’s lives, with our core values guiding us every step of the way. Join us to invest in yourself, your career, and the financial world.

SoFi's AI Platform team builds the foundation that lets every engineer at SoFi ship faster, safer, and with more leverage from AI. Our AI Developer Experience (AI DevEx) team owns SoFi's interactive coding strategy and the underlying infrastructure: AI economics, coding harnesses and harness vending, our evaluation platform, the AI Gateway, and intelligent model routing.

As a founding Senior Staff Software Engineer, you'll be the technical lead and subject matter expert for this area across AI Platform: setting architecture, shaping the interactive coding strategy,...

Read the full posting on SoFi's site ↗

Infrastructure

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