Software Engineer at MintMCP | San Francisco, CA, US | Rezi

Software Engineer at MintMCP

Software Engineer

MintMCP · San Francisco, CA, US

2 weeks ago

Software Engineer

MintMCP · San Francisco, CA, US

18 days ago
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About the Role

You will own features end to end, from conception to production, across our gateway infrastructure, enterprise deployments, and agentic systems. The work leans backend and infra, but nothing is off limits: when the product needs a better UI you build it, and when a connector breaks during a security review you fix it. Claude and Codex are your primary working environment, and you use a fleet of agents to move faster than a team this size has any right to. Agents write much of the code and review PRs, so your real job is the judgment they cannot make: shaping the problem, making architecture, product, and UX calls, hardening enterprise paths, designing connectors, protecting security-sensitive surfaces, and catching generated code that is quietly wrong. Roles are blurred and we ship within hours, and you will learn directly from the founders and from customers.

Responsibilities

  • Own features end to end, from conception to production
  • Build UI when the product needs it
  • Fix connectors during security reviews
  • Shape the problem
  • Make architecture, product, and UX calls
  • Harden enterprise paths
  • Design connectors
  • Protect security-sensitive surfaces
  • Catch generated code that is quietly wrong
  • Build and deploy agents on the same platform we sell

Requirements

  • Builder with a track record of shipping to real users (product, internal tool, open-source project, or serious side project)
  • Ship and iterate without waiting for specs or approvals
  • Strong fundamentals and learn fast
  • Care about product value and customer needs over technical purity
  • Take infra seriously, considering blast radius, trust boundaries, and impact on customer agents
  • Ability to read unfamiliar code, reason from first principles, and explain tradeoffs
  • Comfortable across the stack (TypeScript, Python, CockroachDB) or ability to pick up new languages, protocols, and domains quickly
  • Excited to build with agents and learn when they help and when they hide a problem
  • Already build with AI every day and want room to move without heavy process
  • Developer-facing products, protocol or gateway work, or infrastructure at scale (nice to have)
  • Background in security, identity, or permission systems (nice to have)
  • Contributions to open source, MCP servers, or agentic frameworks (nice to have)
  • Design sensibility (nice to have)

Skills

  • TypeScript
  • Python
  • CockroachDB
  • AI
  • Agentic systems

Location

  • San Francisco Bay Area

Work Type

  • In person
  • Full-time

Experience Level

  • Early-career builders
  • Seasoned engineers

Salary/Compensations

  • Competitive compensation

Benefits

  • Meaningful equity
  • Unusual scope and ownership of features that ship to enterprise customers
  • Direct access to the founders, customer context, and product direction, with mentorship as you grow
  • Health benefits
  • Team that puts family and health first

About the Company

  • MintMCP helps companies put agents to work safely by building the infrastructure that makes a company's own work runnable by them, starting with trust.
  • Our first product is an MCP gateway that gives agents governed access to company data and tools, scoping access and capturing data flows and audit logs.
  • We are building the rest of the agent stack: connectors, monitoring, sandboxing, long-running agents, and memory, with the goal of becoming the system a company's work runs on.
  • We work in person in the San Francisco Bay Area with a flat structure and a fast-moving market, offering latitude over work and how it's done.
  • We are AI-native, using Claude and Codex daily, with more agents than employees handling various company functions.
  • Since launching in February 2026, we have grown to 30+ paying customers, including Coursera, Arlo, and Braze.
  • We are backed by Cowboy Ventures and Coatue, with notable angels.
  • Our founders are machine learning experts from Stanford, Berkeley, and CMU, with applied research at Google Brain and Waymo, and one co-founded Coursera.