Lead Backend Engineer

Helio Fintech Ltd.; London; Remote; GBP 50,000 - 90,000; Full time

Job summary

Join a pioneering Web3 payments platform that is transforming online transactions through blockchain technology. As part of an innovative team, you will help build a cutting-edge software platform that supports thousands of merchants and millions of buyers. This role offers the chance to work in a dynamic startup environment where your engineering excellence and problem-solving skills will be crucial. If you have a passion for blockchain and the drive to tackle new challenges, this opportunity will allow you to make a significant impact in the crypto economy while enjoying a flexible work environment and potential equity stakes.

Benefits

Competitive salary

Equity stake

Flexible work environment

Qualifications

• 5+ years of software engineering experience, primarily in backend teams.
• Proven experience in blockchain development with Solidity/Rust.
• Ability to write clean, elegant code and troubleshoot complex issues.

Responsibilities

• Build and architect the foundation of the Helio software platform.
• Deliver high-quality code and solutions in a startup environment.
• Collaborate with teams to solve uncharted problems in Web3.

Skills

Node.js

TypeScript

Solidity

Rust

Kubernetes

CI/CD

NoSQL

A/B testing

Blockchain Development

Software Engineering

Tools

Public Cloud Platforms

Collaborative IDEs

Deployment Pipelines

Job description

Our story

Blockchain is transforming online payments with faster, cheaper transactions by removing intermediaries like banks, creating new opportunities for online businesses to grow communities and boost sales.

Helio was founded with a simple mission: "Make crypto payments accessible to everyone." Today, Helio is a leading Web3 payments platform, supporting over 6,000 merchants and millions of buyers with seamless crypto checkout solutions. Anyone can easily set up a merchant account and accept instant payments in USDC and other digital assets for ecommerce, subscriptions, digital goods and more.

As decentralised wealth grows and the crypto economy surges past +$30b, Helio helps merchants connect with digital natives through seamless crypto checkout solutions and provides custom onchain trading and payment infrastructure for apps including Solana Pay plugin for Shopify; Magic Eden pre-sales, and DEX Screener’s token launchpad called Moonshot, amongst others.

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.

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:

1. Leadership skills
2. +5 years of software engineering experience in backend teams using primarily Node.js and TypeScript for rapid development and deployment.
3. Blockchain development and deployment using Solidity/Rust and Bitcoin experience with proven live audited code and contracts
4. Natural ability to write clean and elegant code, whilst being diligent and pragmatic in equal measure
5. Experience working with large scale systems serving 100,000s of customers. Fintech experience a plus
6. Experience utilising all the latest CI/CD, APIs, Security, Collaborative IDEs on public cloud platforms
7. Experience in Kubernetes, containers, deployment pipelines, A/B testing, Blue/Green principles to prove what you’ve built
8. A passion for automation and defining everything via CaC to drive platform consistency
9. Exceptional query skills and ability to build data models. Predominantly NoSQL
10. Ability to troubleshoot and investigate complex issues across systems
11. Desire to build, maintain and improve anything you work on with a high level of ownership
12. 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:

1. Competitive salary
2. Equity stake by joining the project at an early stage
3. Flexible work environment and autonomy over how you work

Please note:

We are only hiring in the UTC timezone +2Hrs maximum at this time. If you apply and are not located in Western Europe then we will not proceed with your application.