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Software Engineer – Frontend Infrastructure
| Company | Replit |
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| Location | San Mateo, CA, USA |
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| Salary | $130000 – $265000 |
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| Type | Full-Time |
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| Degrees | |
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| Experience Level | Junior, Mid Level |
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Requirements
- 2+ years of professional expertise in at least one of the following: Developing rich browser-based applications, Building high-throughput backend services, Creating frontend infrastructure used by 100+ engineers, Shipping your own products and engaging directly with users
- Someone who values simplicity and pragmatism—you think radically but ship incrementally
- Self-directed and comfortable working autonomously
Responsibilities
- Design a collaborative ‘Multiplayer Computer’ that lets humans and AI agents work together on shared shells, filesystems, and state—conflict-free and in real time
- Build high-throughput backend applications and services
- Create tooling that helps AI systems minimize mistakes through static analysis and deterministic techniques
- Develop infrastructure (frontend and backend) that empowers product engineers to rapidly ship delightful user experiences
- Support sophisticated user interfaces, including terminals, code editors, window-management systems, and innovative experiences that require both creativity and algorithmic skill.
Preferred Qualifications
- Experience with low-level Linux system components
- Experience building AI-powered tooling or products
- Familiarity with IDEs, terminals, LSPs, or other developer-centric tools
- Experience with collaborative editing technologies such as Operational Transforms (OT), CRDTs, or the inner workings of Git
- Contributions to popular open-source JavaScript frameworks and libraries
