Replo
Founding Engineer
San Francisco
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hirly's read of this role
- Seniority
- Mid level
- Country
- US
- Work mode
- On-site / unstated
- First seen by hirly
- 1 Sept 2026
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the posting
About the role
Hiring a full-stack/founding engineers to join our team and focused on product engineering and shipping new features
Things you'll be working on
Architecting and implementing full-stack product features in Typescript/React/Node is the core of what you’ll be doing. Real examples include —
Platform
Building sandbox infrastructure for our agents (managing secrets, proxies, and compute)
Building an eval framework for our models
Launching an analytics platform on ClickHouse/MSK that consumes millions of events per day
Building an agentic workflow orchestration architecture
Building a public API for Replo/Slack bots
Overhauling our billing system to support arbitrary usage-based billing
Programs
Enabling customers to buy domains directly through Replo
Building agent-driven insight reporting for businesses
Building a full product-customizer UI for custom print-on-demand products
Looking for someone who
Can be in office 4-5 days/week in San Francisco
Is proficient in Typescript/React/Node
Uses Cursor/Claude Code to accelerate their work
Has built products 0 -> 1 with real users and revenue
Is OK operating independently without product/design
Is ALWAYS SHIPPING. We don't spend weeks planning features at Replo
Has a product and customer-focused mindset
Has experience being burned by deployment and maintenance issues. If you have a a strong opinion on how products should be built, that’s good
Values writing clean, maintainable software, including documentation (e.g. the code needs to be correct and run fast, but we’re the ones that have to read it and understand it)
Is comfortable with ambiguity and defining software architecture patterns to solve customer pain points
Bonus points if you
Have a CS degree or formal computer science/STEM backend
Have started a company before
Enjoy attending hackathons
Worked at an early-stage (Series A or earlier) startup previously
Have not wasted hours interview-prepping on Leetcode
Have an eye for visual design (or past experience in product design, Figma, etc).
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