Job Description

Job Title: Senior Software Engineer (Full-Stack)

Employment Type: Full-time

Salary: $175K – $250K per annum

Location: San Francisco (Hybrid, 2 days/week)

Start Date: ASAP

Visa: No H1B sponsorship available

About Client:

Our client is a Series A start up, growing quickly as they onboard new customers and scale platform, using AI to remake the way consumer underwriting is done, starting with residential real estate. Most consumers' most important financial information is locked up in documents, and we’ve built technology that is able to harness this data to help make better lending decisions. We’ve coupled this underwriting agent with advanced document and identity anti-fraud, and we’re working toward democratizing sophisticated consumer underwriting for all.

About the Role

Seeking a Staff Software Engineer with 7–8+ years of experience to lead the re-architecture of our core platform as we scale rapidly. After two years of fast-paced product development, our system has grown into a collection of disparate services, and we need a senior IC to unify, rebuild, and streamline the foundation . This role reports directly to the CTO and plays a critical part in shaping the technical future of the company.

What We’re Looking For

• 7–8+ years of professional experience as a strong individual contributor .
• Deep expertise in systems design, architectural refactoring, and scaling codebases beyond the “fast startup” phase.
• Experience at a high-growth startup (Seed → Series B/C) where engineering teams expanded meaningfully.
• Strong full-stack or backend skills ( Typescript, React, Node.js, Python preferred).
• Ability to navigate ambiguity, make sound technical decisions with incomplete context, and iterate quickly.
• High engineering bar—someone who can elevate the code quality and system design of the entire team.

Tech Stack

• Frontend: Typescript, React
• Backend: Node.js, Python
• Databases: Postgres, BigQuery, Redis
• Cloud: GCP

Seniority & Experience

• 7+ years in full-stack software engineering (backend-leaning).
• Experience leading technical projects , refactoring code, and re-architecting systems.
• History of progression or promotions within startup roles (e.g., to Staff/Principal level).

Education

• CS degree from a top 20 school

What You’ll Do

Architect & Rebuild the Core System

• Re-architect major parts of the existing platform into a cleaner, scalable, and more maintainable system.
• Refactor or remove unnecessary code to create a cohesive architecture.
• Drive high-level technical decisions across backend and full-stack systems.
• Establish and reinforce best practices and architectural consistency across the engineering team.

Lead High-Impact Feature & Infrastructure Work

• Collaborate with the CTO to define long-term technical direction.
• Work with senior and junior engineers to implement new features and improve systems.
• Support onboarding of larger enterprise customers by enhancing platform stability and extensibility.

Own Key Product Initiatives

• Lead system architecture for new workflows, including real-time ID, income, and document verification.
• Integrate and maintain in-house ML models used for fraud detection and financial document understanding.
• Improve the technical foundation powering our 70%+ automated approval/denial workflow.

Why Join

This is a rare opportunity to join a fast-scaling Series A company with real customers and traction . You’ll act as the technical adult in the room , refactoring, simplifying, and shaping the long-term architecture while influencing major product decisions. You will have a direct impact on the company’s core systems and help define the foundation for future growth.

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