Company Name: Helius

Job Details: 31,Locations,Remote,Senior,level

Job Url: https://builtin.com/job/senior-full-stack-engineer/6777545

Job Description: About HeliusHelius 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, we’re a small, senior team obsessed with performance, simplicity, and scalability in decentralized systems.Read our Helius Manifesto to learn how we build, make decisions, and operate as a team.About the RoleWe’re looking for a Staff Software Engineer to lead the overhaul of our product experience and monetization systems. You’ll be in the driver’s seat architecting, designing, and implementing systems that directly shape our product, revenue, and customer impact.This isn’t a narrow engineering role. You’ll own end-to-end systems that, in most companies, would span multiple teams - from front-end architecture to backend infrastructure. From day one, you’ll have the autonomy and runway to level up our engineering stack and drive major product initiatives forward.You’ll work closely with the founders, product, and engineering leadership to deliver mission-critical features at startup speed. As the team grows, you’ll also play a key role in mentoring engineers and defining technical standards, with a clear path toward Engineering Leadership.This is a remote position (North America & EMEA) reporting to the Chief Technology Officer, giving you high visibility and influence across the business.What You'll Do:Architect and optimize complex systems that span across the frontend (Next, React, TypeScript) and the backend (AWS, TypeScript, Go)Integrate complex backend systems (billing, monetization, product enablement) into customer-facing applicationsCollaborate directly with founders and product owners to translate requirements into well-architected solutionsOptimize application performance across the entire stackDrive technical decisions around frontend architecture, state management, and API designInfluence our technical roadmap, provide mentorship and help build a strong engineering cultureStep outside of your role as needed to close gaps and keep product development moving fastEnsure system scalability, performance, and reliability across the stackWhat You'll Bring:5+ years of full-stack development experience in production environmentsStrong frontend experience with React, Next.js, and TypeScript (2+ years)Senior-level backend experience with Go, TypeScript, or similar languages (3+ years)Experience building and scaling APIs (REST or GraphQL).Experience with database design and optimizationStrong system design and architecture skillsUnderstanding of CI/CD practices and DevOps principlesDemonstrated ability to work autonomously, execute at speed, with excellent communication and collaboration skillsTrack record of mentoring other engineers and improving team processesAbility to thrive in a high-velocity startup and work across teamsEven Better...Experience building or maintaining billing/monetization systems.Previous startup and/or web3 experienceFamiliarity with Rust or low-level systems (we’ll train you where needed)Solana development experienceUnderstanding of web security best practicesWhy Helius?High-impact work: Your code will power applications used by millions across the Solana ecosystem, including Coinbase, Jupiter, and Phantom.Cutting-edge tech: Build with React, Next.js, Go, and web3 systems - plus get hands-on exposure to Rust and blockchain infrastructure.Ownership & growth: Lead critical initiatives, mentor engineers, and influence architecture from day one.Remote-first flexibility: Work where you’re most productive, with flexible hours and a 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.