SWE - Fullstack

San Francisco, CA

About Halliday

We are an in-person, mission-driven team. We work together, move fast, and have fun while trying to change the world.
Our team comes from some of the top tech companies, financial institutions and educational backgrounds, including Facebook, Microsoft, Point72, Stanford, and Penn.
We are backed by some of the best investors in the world, including Andreessen Horowitz, Hashed, SV Angel, and a_capital.

As a full-stack engineer, you will help design and implement the core financial infrastructure that will power a burgeoning digital ecosystem.
Design and implement secure financial systems that will purchase virtual assets from marketplaces, securely transfer NFTs between users, and move funds across chains
Use TypeScript/Node/Express in the backend to build services, standalone web servers, and comprehensive test suites to enable our seamless checkout experience
Use TypeScript/React/Next in the frontend to build user-facing interfaces using reusable, generalizable components wherever possible
Work with open source blockchain SDKs to interact with numerous networks, protocols, and smart contracts
Blueprint, build, and deploy both internal and external API endpoints that allow games and marketplaces to leverage our payment technology
Contribute to our public JavaScript SDK that allows for easy integration with our service
Work in an agile environment and across multiple teams: design, product, engineering, and risk
Explore protocol design, learning from and working with our blockchain architects
Continuously think about new ways to improve our service for games, users, and how to contribute to building digital civilization

A degree in computer science, similar engineering discipline or experience building and hacking on projects
Experience as a full-stack developer and proficient at writing applications in TypeScript and React
Quick learner and passionate about picking up new technologies and hacking on novel ideas