6 jobs found

This position can be project-based, part-time or full-time based on your interests and our needs. We’re looking for a Security or Cryptography Researcher & Engineer to join our team. You could be a software engineer, computer scientist, or mathematician who is interested in doing security research and engineering for advanced applied cryptography, especially with distributed systems. This position will work with our Security Consulting team on projects ranging from blockchain protocols to data management to zero-knowledge proofs. It involves analyzing designs, specifications and codebases, along with documenting findings, providing recommendations, and communicating with consulting clients. Research will use the latest security best practices, knowledge of advancements in related fields and previous experience / findings. The ideal person for this role has interest in some of the following areas: Distributed & decentralized technologies Applied & advanced...

https://missing-linkio.notion.site/Senior-Fullstack-Engineer-184c4dc09eee8031a5a8e42ffb96c707 Our client is a fast-growing DeFi project with the big mission to bring real-world finance and DeFi together, unlocking economic opportunity for all. They are looking for an enthusiastic Senior Full-stack Engineer to join their growing team. As a Senior Full-stack Engineer, you will play a pivotal role in the development of all of our user-facing applications. Your responsibilities will include a broad range of areas: UI/UX development, building and updating SDK, integrating EVM contracts, and supporting the product with your expertise in web technologies. This is an exciting, multifaceted position that demands creative problem-solving, strategic thinking, and a technical understanding of EVM blockchains.   Responsibilities: Write high quality TypeScript for the app, SDK and other projects. Review teammates code and provide meaningful feedback...

https://missing-linkio.notion.site/Founding-Engineer-On-chain-1a6c4dc09eee807b9b1cdd3a05800fe8 About the Role: As a Founding Smart Contract Engineer, you will take ownership of designing, implementing, and optimizing the core smart contracts powering a decentralized system. This is a hands-on technical role where you will be writing Solidity at the deepest level, designing solver-based execution models, and ensuring on-chain verification remains efficient and scalable. You’ll be one of the first engineers on the team, with high ownership and autonomy to shape the technical direction. If you’re excited about building at the frontier of Web3 infrastructure, this is your chance to lead from the ground up. What You’ll Be Doing: Design & Develop Smart Contracts: Architect secure, gas-efficient Solidity contracts to power a generalized intent-based execution framework. Create Optimistic Verification Systems: Implement optimistic...

https://missing-linkio.notion.site/Software-Engineer-1c8c4dc09eee808ca57ef21f4eb2f1b1   What we’re looking for In the role, you will: Develop groundbreaking technology with the ambition of building a new and improved internet, Work at the intersection of cryptography and distributed systems, Collaborate with a high-performing team that has a proven record of success, Thrive in a resource-rich, creative, and mindful environment that values problem-solving. About the Company This startup, based in London, is building a suite of tools designed to empower creative individuals with their own personalized online experience. Technically, the focus is on reducing the barriers to application interoperability by constructing a highly compatible data network for small-scale, AI-powered apps. The vision is to create a next-generation internet that supports an upcoming era of “personal software,” where AI significantly lowers...

https://missing-linkio.notion.site/Senior-Software-Engineer-1c8c4dc09eee80c0843afb90b9e578ed   This is a unique opportunity to contribute to an essential part of Ethereum infrastructure, which enables ~75% of transactions in Ethereum’s ecosystem to settle onchain. Our client, a non-profit organization originally initiated by a pioneering entity, sits at the core of the orderflow ecosystem to maintain software and market mechanisms around Proposer-Builder Separation. Role You’ll be step by step onboarded into a high responsibility role for mev-boost and support the whole ecosystem around it. This means you’ll get in-depth insights into the orderflow market structure and infra of MEV (Maximal Extractable Value) on Ethereum. Over time you’ll own and upgrade essential infrastructure and be deeply involved in shipping future Ethereum upgrades (hardforks). What you’ll do Develop ownership of mev-boost and surrounding...

About We're Payy - and we're building the future of global consumer banking built on zk and crypto rails. Think Revolut, Venmo or CashApp - but global, fast, private and self custodial. Our app is written in React Native, but all the core app logic is written in Rust and compiled into Typescript. We also built Payy Network, a decentralised ZK rollup for payments. There are a lot of fun and challenging things to work on! Payy is part of Polybase Labs . Twitter Your traits We're looking for a rare person! Someone that can do both Rust and some React frontend. Senior fullstack engineer (can lean more towards one side, but should be comfortable working on a solution end to end). Some experience in Typescript/React (or willingness to learn) Strong experience writing complex Rust applications Expert level Rust AND/OR TypeScript and React/React Native → our tech test is very hard to pass You should understand key web3 primitives, such as as wallets and...