Full Stack Engineer Developer Portal
About Helius
Helius is building the core infrastructure for Solana - empowering developers to create the next generation of crypto-powered applications. Our mission is to accelerate the development of internet capital markets by making it easier, faster, and more intuitive to build on-chain.
Thousands of teams - from early-stage startups to industry leaders like Coinbase, Phantom, and Jupiter - rely on Helius APIs, webhooks, and indexing tools to power their products. Backed by Haun Ventures, Founders Fund, and Foundation Capital, weâre a small, senior team obsessed with performance, simplicity, and scalability in decentralized systems.
Read our Helius Manifesto to see how we work and what we value.
About the Role
Weâre looking for a Sr. Full-Stack Engineer to own the most critical parts of the Developer Portal: onboarding, configuration, enablement, and observability. These surfaces are instrumental to providing a top-tier customer experience, maximizing conversion and retention. The expectations are high, decisions move fast, and the work you ship will be used immediately by thousands of developers.
Youâll work across React, TypeScript, Next.js, Golang, and Postgres. Youâll partner closely with founders and product leadership, raise the bar on quality, and take full ownership of features end-to-end.
What You'll Do
Create clean, fast onboarding flows that directly drive conversion and activation
Build scalable backend services that power our user-facing applications
Drive technical decisions around frontend architecture, state management, and API design
Improve performance, reliability, and long-term maintainability across the stack
Move quickly, make strong product calls, and simplify complex problems
What You'll Bring
5+ years of full-stack development experience in production environments
Strong proficiency with React and modern frontend development
Strong backend experience with languages like Golang, C#, Java, or Rust
Experience building and maintaining REST/GraphQL APIs
Experience with database design and optimization
Strong system design and architecture skills
Understanding of CI/CD practices and DevOps principles
Demonstrated ability to work autonomously and execute at speed with excellent communication and collaboration skills
Nice to Have
Prior experience building and maintaining billing systems
Prior startup and/or web3 experience
Solana development experience
Understanding of web security best practices
Why Helius?
High-impact work: Your code will power applications used by millions across the Solana ecosystem, including Coinbase, Jupiter, and Phantom
Serious engineering: Build fast, reliable systems and user experiences across distributed infra, high-throughput backends, and modern frontend stacks
Ownership & growth: Lead critical initiatives, influence architecture and product direction, and take on more responsibility as the company scales
Remote-first flexibility: Work where youâre most effective with a flexible, fully distributed team
Competitive comp & perks: Market-leading salary, meaningful equity, generous vacation, wellness budgets, and support for learning and travel
Mission-driven team: Join ambitious builders who move fast, take ownership, and are shaping the future of decentralized apps