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Senior Software Engineer, Infra/Systems

Convex Dev
CompanyConvex Dev
CategoryEngineering
LocationSan Francisco
RemoteOn-site (inferred)
EmploymentNot stated
LevelSenior
SalaryNot stated by the employer
Posted28 May 2026
Last verified1 Aug 2026
SourceEmployer career page (ashby)
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Description
Convex is transforming the way developers build applications. Our mission is to fundamentally change how software is built on the Internet by empowering developers to create fast, reliable, and dynamic apps without a backend team. We provide a full-stack app platform carefully designed with database, compute and backend abstractions that allow developers and LLMs to move fast but also create products that scale and remain simple over their lifetime.   The Team: https://convex.dev/about-us Convex has assembled a team of engineers who have built and designed some of the largest backends in the world, with exabytes of data, millions of transactions per second, and shipped desktop and mobile software onto billions of devices. We are a group of friendly, collaborative, and passionate people that love working in-person together in our office in San Francisco. We hire primarily in SF but have a few experienced folks working remotely in certain situations. The Role: The Convex team has a lot of experience running large systems at scale, and as our customers and infrastructure grow, we’re looking for exceptional staff or principal-level engineers to help build and maintain what comes next. If you’re passionate about distributed systems and have experience designing and operating large-scale infra, we’d love to talk! This is a hands-on role that moves between architecture and execution. You’ll work across core systems like our database and synchronization layer, and build out newer primitives like branching and analytics as they take shape. A lot of Convex’s platform requires serious design work where we can’t just follow best-practices since we’re the ones defining them. If you like the idea of designing a new storage layer that minimizes B-tree churn, or coming up with an API for managing ephemeral state that might disappear if a node restarts, or setting all that aside for a week and landing something simple and pragmatic because we’re a startup and need to ship, you’re going to like it here. We value simplicity, leveraged work, and strong ownership. Our team is high-ownership and cares a lot about oncall but this isn’t an ops role - we want people who design and build things the right way… or as close as is possible at a startup. You’ll work closely with the engineering team and CTO on some of the most important technical decisions at the company. What You’ll Do: - Design, build, and maintain Convex’s global cloud infrastructure. - Investigate and improve the performance and reliability of our systems. - Be self-directed in prioritizing the right projects to work on, in close collaboration with the engineering team and CTO (hi! this is me, James). - Own architectural decisions that shape the long-term behavior of multiple core systems. - Help establish technical direction and engineering standards as Convex grows. - Work across the stack when needed, rather than being constrained to a single layer of infrastructure. - Write a bunch of cool systems and database code. - Occasionally put up with James asking if there’s a simpler more elegant solution to a problem. What Excites Us: - ~6+ years of experience in backend or systems engineering, though we care far more about depth of ownership and experience operating mission-critical systems than years alone. - Experience building and scaling large systems, including owning systems through major scale transitions or building core infrastructure from scratch. - Strong systems judgment: understanding tradeoffs and knowing when to keep systems simple versus when to invest in complexity. - Experience working in fast-moving environments where requirements shift and many of the hardest problems are not fully specified upfront. - Interest in working in-person at Convex's office in SF. - Ability to write high quality code (knowledge of Rust is a plus, but you’ll figure it out). - An enthusiasm for going deep to underst
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