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","datePosted":"2023-05-22T10:23:46.841Z","validThrough":"2024-10-23","employmentType":[],"hiringOrganization":{"@type":"Organization","name":"Helio","description":"Helio powers merchant payments for the Web3 economy. We offer a secure and convenient way for merchants, dApps & creators to accept DeFi payments across multiple chains for e-commerce, subscriptions, paywalling & more. Benefits include low fees & instant settlement for merchants, and increased privacy & friction-free checkouts for users.","numberOfEmployees":15,"address":[{"address":{"@type":"PostalAddress","addressLocality":"London, UK"}},{"address":{"@type":"PostalAddress","addressLocality":"Mile End, London, UK"}}],"sameAs":"https://helio.co","url":"https://helio.co","logo":"https://cdn.getro.com/companies/d623b584-aabc-5cec-a33f-643aed65e889","memberOf":{"@type":"Organization","name":"Peak","description":"Venture capital fund, run by seasoned entrepreneurs, offering smart equity capital with hands-on support to European marketplace, platform and SaaS startups.","logo":"https://cdn.filestackcontent.com/jbUl2gtwSYa3OgiP5mAG","url":"jobs.peak.capital"},"keywords":"Blockchain and Crypto, Finance"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"London, UK"}}}

Lead Backend Engineer



Software Engineering
London, UK
Posted on Monday, May 22, 2023

Helio - the Web3 payments platform ⚡️

Visit website

Full Stack Blockchain Engineer

  • Software Development
  • Full-time
  • London, GB
  • Remote friendly

Our story

Helio is a complete Web3 payments platform. We make it simple for creators & merchants to sell NFTs, Discord memberships, subscriptions, e-commerce, video content or any digital product with the power of fully decentralised crypto payments.

 ⚡️Accept one-click, DeFi payments in USDC and 100s of digital assets 

⚡️Reach new customers who love to pay with their Phantom, MetaMask or other wallets 

⚡️Instant payouts & low fees 

⚡️Eliminate expensive chargebacks 

⚡️Integrate with YouTube, Discord, TradingView, Magic Eden and other digital platforms to make it easy to sell 

Helio powers DeFi payments for +3,000 sellers and +75,000 unique active wallets. We support the major blockchains, including Bitcoin, Ethereum, Solana & Polygon. 

Simply log in to our Dashboard with your crypto wallet to set up your first payment or get started with our quick start guide.

🧠 Who’s behind Helio?

We're an experienced team of builders backed by leading VCs, Lightspeed Faction & Peak Capital. The founding team previously built, scaled and exited two B2B SaaS companies for a total of $600m.

🚧 Make sure to connect your crypto wallet at https://hel.io/ to set up your first 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 a fit for this role if you have:

  • +5 years of software engineering experience in backend teams using primarily Node.js and TypeScript for rapid development and deployment.

  • +5 years of blockchain development and deployment using Solidity for EVM and ideally Rust and other blockchain languages with proven live audited contracts

  • Natural ability to write clean and elegant code, whilst being diligent and pragmatic in equal measure

  • Experience working with large scale systems serving 100,000s of customers. Fintech experience a plus

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

  • Experience in Kubernetes, 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

  • Exceptional query skills and ability to build data models. Predominantly NoSQL

  • 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


  • Competitive salary

  • Equity stake by joining the project at an early stage

  • Flexible work environment and autonomy over how you work

Remote restrictions

  • Workday must overlap by at least 3 hours with London, UK