Fullstack Software Engineer

Title : Fullstack Software Engineer

Location : San Francisco, CA (Hybrid)

Company Stage of Funding : Private Equity–Backed (Profitable Portfolio)

Office Type : Hybrid (In-person collaboration several days per week)

Salary : $150,000 – $250,000 base + competitive bonus and benefits

Company Description

Our client is a fast-moving, well-capitalized product innovation company backed by over $2B in managed assets. They partner with a portfolio of cash-flow-positive B2B software businesses—each generating $15M–$70M in revenue—to build AI-powered software products that redefine how teams innovate and deliver customer value.

Unlike typical startups, this environment combines startup-level velocity with the financial stability of established private equity support. You’ll build core systems from the ground up, working closely with senior technical and business leaders who have led at some of the world’s top technology firms.

If you’re looking for a place to ship fast, own meaningful product surface area, and work alongside high-caliber peers in an environment that rewards autonomy and initiative—this is it.

What You Will Do

Design, build, and ship production-grade features end-to-end across a modern Next.js + TypeScript stack.

Develop AI-powered experiences using LLM APIs and frameworks such as the Vercel AI SDK .

Integrate with Postgres via Drizzle ORM and maintain robust, well-typed schemas and queries.

Orchestrate background jobs, webhooks, and API integrations for external systems.

Optimize performance, reliability, and scalability across streaming UIs, caching layers, and background pipelines.

Collaborate closely with product, design, and leadership to translate high-level goals into technical solutions.

Write clean, maintainable code with strong attention to type safety and developer experience.

Contribute to engineering culture through code reviews, documentation, and iterative improvement.

Ideal Candidate Background

2+ years of professional experience building fullstack applications with TypeScript, React, and Next.js (App Router, Server Actions, Route Handlers).

Strong understanding of Postgres and modern ORMs (Drizzle preferred).

Experience deploying AI / LLM applications (streaming text / chat, tool calling, prompt design).

Familiarity with client-side data management (e.g., TanStack Query, SWR).

Proven experience shipping performant, accessible, and reliable user-facing features.

Comfortable in a fast-paced, collaborative environment where iteration speed matters.

Bachelor’s degree in Computer Science or related field, or equivalent hands-on experience.

Preferred Qualifications

Experience working in early-stage or small, high-output teams .

Familiarity with serverless deployments (Vercel, AWS Lambda, or similar).

Active GitHub or public coding projects showing recent, consistent activity.

Background integrating third-party APIs, webhooks, and async job queues.

Business-oriented mindset — thinking in terms of impact, not just implementation.

Compensation, Benefits, and Other Details

Base Salary : $150,000 – $250,000, commensurate with experience.

Bonus & Upside : Competitive annual bonus tied to company performance.

Benefits : Comprehensive medical, dental, and vision insurance; 401(k) plan; generous PTO; and opportunities for professional development.

Work Environment : Hybrid role based in downtown San Francisco, with a culture built around collaboration, creativity, and technical excellence.

Visa Support : Available for exceptional candidates (transfer cases only).

Team : Join a small, elite engineering group working directly with senior leadership to build AI-native software that’s reshaping an entire portfolio of profitable tech companies.

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