Full Stack Web3 Jobs in United Kingdom

Our story

Blockchain is transforming online payments by enabling faster, cost-effective transactions without intermediaries.

Helio’s mission is to make crypto payments accessible to all.

As a leading web3 payments platform, we now support over 6,000 merchants, developers, and millions of buyers with seamless crypto checkout for e-commerce, subscriptions, trading, and more. Our developer APIs power on-chain workflows across Solana, EVM & Bitcoin.

With crypto surpassing $3T in value, we connect businesses to millions of digital natives via Helio branded checkouts as well as white labelled solutions including Solana Pay for Shopify, Magic Eden, and DEX Screener trading solutions.

Founded in 2022 by Jim & Stijn, Helio joined MoonPay in 2024 but operates independently as an innovation-driven team. We believe in “builder culture”, shipping fast & enabling teams with autonomy

🚧 Make sure to connect your crypto wallet at https://hel.io/ to spin up a payment. We only interview people who have tried our product and have a strong desire to make it better! 🚧

You will:

You will help build and architect the foundation of the Helio software platform which all other systems will flow from and interact with. You will use all your previous experiences, skills and initiative to get things right from inception - which is to a naturally high standard of code, logic and engineering prowess in general. We want to build a platform that is led by engineering excellence paired with pragmatic approaches to solving problems and delivering financial grade quality throughout our products and services.

Technical knowledge is critical but we are a startup treading in uncharted territory so attitude is even more important. We’re looking for people that like uncertainty and want to figure out how to do things that haven’t been done before. You’re a true team player and inherently positive. Where others see problems, you see solutions.

You will have a passion for Web3 technologies including NFTs and all things blockchain.

You may be fit for this role if you have:

• 5+ years of software engineering experience in backend teams primarily using Rust and Node/Node.js, TS & JS in a full stack environment

• Fluency in Solana Rust smart contracts with proven experience and projects

• 4+ years of experience in blockchain development.

• Practical experience deploying smart contracts on the mainnets of major blockchains

• Contribution to crypto projects with a substantial token market cap a plus

• Experience utilising all the latest CI/CD, APIs, Security, Collaborative IDEs on public cloud platforms

• Experience in containers, deployment pipelines, A/B testing, Blue/Green principles to prove what you’ve built

• A passion for automation and defining everything via CaC to drive platform consistency

• Ability to troubleshoot and investigate complex issues across systems

• Desire to build, maintain and improve anything you work on with a high level of ownership

• Above all this, we are looking for engineers that want to do the best they can, learn, improve, grow, lead, help others and add value every single day for yourself, your teammates and for Helio

Benefits:

• Competitive pay with annual bonuses

• MoonPay stock options

Remote restrictions

• Workday must overlap by at least 7 hours with London, UK