The Role
Build and ship software for a crypto startup developing interoperable shared applications. Responsibilities include implementing cryptographic systems, designing protocols, developing and deploying secure smart contracts, building frontend applications, and working across databases and distributed systems. The role involves customer iteration, product prototyping, blockchain infrastructure, software development tooling, and potential growth into research, architecture, or engineering leadership.
Summary Generated by Built In
The employer is an early stage Crypto startup developing a toolchain for shared, just-in-time applications that gives independent developers freedom to build powerful shared apps. It is an interoperable, low cost, quick to build, easy to manage, copilot-friendly and platform independent platform.
MISSIONS :
Your role will be to ship code, iterate with customers, and join us in prototyping next-gen products and protocols.
This role could grow into an leading research role, senior architect role or engineering executive role as Tonk grows.
Core responsibilities include:
- Implementing cutting-edge cryptographic systems across diverse tech environments.
- Designing and architecting protocols.
- Secure and efficient smart contract development.
- Frontend development.
Profil
- Agility to touch all parts of the stack, from frontend to database and distributed systems.
- Familiarity with applied cryptography, including hash functions, encryption schemes, proof schemes, etc, as well as the mathematical education to back it up.
- Expertise in designing and deploying distributed systems.
- Deep understanding of relevant protocols and the general landscape of blockchain infrastructure.
- Expertise deploying smart contracts to mainnet.
- Prior work on software dev infra and tooling.
- Apps generated by the platfor, come pre-bundled with React, Typescript, Tailwind. Ideally you can also work with Rust, Solidity, Go and Javascript.
- You have a personal portfolio site and/or active Github with active projects and links to projects to show
A plus :
- Ideally you have experience in web technologies, distributed systems, cryptography
- Ideally you have worked on a notable product / project
- Ideally you have contributed to FOSS
- Ideally you have worked on a startup as founding engineer
Informations contractuelles
Contract : Permanent
Location : London ( full time on site office )
Salary : 70 to 130k USD
Benefits : Competitive salary + equity + token rights + Paid travel + personal wellness budget + Generous equipment budget + 20 days PTO on top of 8 UK bank holidays + Private health & dental insurance
Recruitment process : HR Call + CTO Interview + Technical Interview
Skills Required
- Ability to work across the full stack, including frontend, databases, and distributed systems
- Familiarity with applied cryptography, including hash functions, encryption schemes, and proof schemes
- Mathematical education supporting applied cryptography
- Expertise designing and deploying distributed systems
- Deep understanding of blockchain infrastructure and relevant protocols
- Expertise deploying smart contracts to mainnet
- Prior experience with software development infrastructure and tooling
- Experience with React, TypeScript, and Tailwind
- Ability to work with Rust, Solidity, Go, and JavaScript
- Personal portfolio website or active GitHub with project links
- Experience in web technologies, distributed systems, or cryptography
- Experience contributing to open-source software
- Experience working as a founding engineer at a startup
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The Company
What We Do
The company is a Web3 trading business building a builder-code product on Hyperliquid. Its decentralized technology aims to broaden access to global financial markets spanning crypto, equities, commodities, and other assets. The platform supports on-chain perpetuals trading and has processed more than $65 billion in cumulative volume with over 400,000 registered traders, while scaling backend infrastructure, APIs, data pipelines, real-time delivery, and databases.
