Founding Engineer
Pocket Universe
Other Engineering
San Francisco, CA, USA
Posted on Dec 26, 2025
We’re looking for exceptional founding engineers to build the consumer security layer for web3.Working at Pocket UniversePocket Universe protects people from fraudulent transactions designed to steal blockchain assets. Our mission is to push the status quo on security and UX such that even your parents could use crypto safely.Our first product uses transaction simulations to protect users from scams. We’ve had insane growth and are protecting over 50,000 people and over $100M in blockchain assets.We save people from fraud almost every day which leads to our amazing product-led growth (>30% each month for the last 8 months). If we keep this up, we’ll have 1 million users in a year!We’re a team of two that has already raised $1.25M from the likes of Alliance DAO, AirTree and Tangent and we’ll be raising more in the coming months. You’ll work directly with the CEO who was a Tech Lead at Facebook, building an operating system for AR glasses from scratch.This roleAs a founding engineer you’ll be wearing many technical hats:- Developing a delightful user experience to keep users safe with our flagship product, the Pocket Universe chrome extension (React, TailwindCSS) and mobile app (ReactNative).- Improving our security engine by developing novel techniques to defend against attacks (Rust, Solidity).- Innovating at the edge of what’s possible in order to make the end user feel as safe as possible, e.g. building smart contract wallets enabled by EIP4337 and initiatives such as wallet insurance.You will not be expected to have experience in all of these areas, but you should be excited about working on all of them!While engineering will be your primary priority - you’ll also be working on product, talking to customers and helping define our long term strategy. Expect to touch all areas of the company at least a little bit.About you- You want to grow.- You care about the problem and want to make a difference.- You ship and get things done.- You’re either in San Francisco or willing to relocate so that we can work together in person full time.What makes us different?- You’ll be engineer number 1 or 2. You’ll be one of the leading engineers to build the foundations of our technical architecture for our projected user growth.- We have fun. We’re doing this startup because we enjoy solving hard problems and making a difference. The work is hard so if it wasn’t fun we wouldn’t be doing it!Interview process1️⃣ You send your application to founders@pocketuniverse.app, with a snippet of code you’re proud of or a short explanation of an interesting technical problem you solved.2️⃣ A video call, to learn about your motivations and why you’d be a great fit for our team3️⃣ A technical interview, over a video call 30-45mins, no live coding4️⃣ We build something together, so you get a feel for what it’s like to work with us5️⃣ You get an offer, and we celebrate!We look forward to hearing from you!