API Platform Engineer jobs in United States
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Convex · 5 months ago

API Platform Engineer

positionSan Francisco
timeFull-time
remoteOnsite
seniorityMid Level

Convex is transforming the way developers build applications by providing a full-stack app platform designed for speed and simplicity. They are looking for an experienced API Platform Engineer to design and maintain client libraries and APIs, while ensuring a great developer experience as they scale their systems.

InfrastructureInternet

Responsibilities

Design, build, and maintain Convex’s client libraries, sync protocol, and query APIs
Support new frameworks and keep track of new technologies in the app development space
Develop an understanding of what abstractions scale and compose well in our stack so we can build libraries that are not just easy to use but also simple over the lifetime of a project
Be self-directed to prioritize the right projects to work on, in close collaboration with the engineering team and CTO
Help establish good practices and design guidelines as we scale up our team and systems
Write a bunch of cool client library code

Qualification

TypeScriptAPI designClient librariesWeb developmentTenacityCollaborationProblem-solving

Required

Multiple years experience building APIs, client libraries or developer tools
Good understanding of best practices in the TypeScript, React, and web dev ecosystems
Experience or enthusiasm for scaling in a high growth startup environment
Interest to work in-person at Convex's office in SF
Ability to write high quality code (strong TypeScript experience a plus)
An enthusiasm for going deep to understand Convex systems and not be constrained to a certain layer of the stack

Benefits

Equity
Benefits

Company

Convex

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Convex is a serverless infrastructure company that has built the global state management platform for web developers.
dateFounded in 2020
location
San Francisco, California, USA
people-size11-50 employees
web-link
https://convex.dev

Funding

Current Stage
Early Stage
Total Funding
$53.6M
Key Investors
Jamstack Innovation FundAndreessen HorowitzNeo
2025-11-12Series A· $24M
2022-07-12Series Unknown· $0.1M
2022-04-27Series A· $26M

Leadership Team

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Jamie Turner
Co-Founder / CEO
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James Cowling
Co-Founder / CTO
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Recent News

Investing.com
Onex-AIG buyout of Convex, ESPN-NFL deal approved by Brazil agency
2025-12-22
Global Trade Review
Insurer Convex bought by AIG and Onex in US$7bn deal
2025-11-04
thefly.com
Onex Partners announces sale of Convex to Onex Corporation, AIG
2025-10-31
Company data provided by crunchbase