Site neonlabsorg Neon Labs

About the job

Neon Labs is looking for a full-time Senior QA Engineer to join our team. Neon Labs is building an EVM, one of the key products in the Solana ecosystem. Neon EVM enables dApps to harness advantages from both blockchains – Ethereum in terms of tools used, and Solana in terms of low gas fees and high throughput.

About Neon Labs

We come from diverse professional backgrounds and welcome individuals who are passionate about blockchains and defi protocols and eager to tackle the challenging tasks on a daily basis. Fostering a diverse and inclusive environment is at the top of our mind. Our international team is 100% remote. We are working closely with the Solana core team.

Your tasks

  • Rapidly build UI components from design mocks that are both performant and mobile friendly.
  • Building reusable components and front-end libraries.
  • Developing web3 UI components that integrate with existing smart contracts, and the Ethereum ecosystem (connecting your self-custodied wallet, building dialogs/modals for accessing your connected wallet).
  • Write quality code that can be used in development and published.
  • Propose solutions to fix code/architecture bottlenecks.
  • Participate in the development and specification of the next versions of Neon Labs products.
  • Ensure quality, reliability and performance of developed solutions using automated (unit, integration, performance) and manual and automation testing in collaboration with the QA team.
  • Maintain and improve implemented modules according to business needs and feedback.

Your Skills and Qualifications

  • 5+ years of the commercial experience in software development.
  • Proficiency in Javascript/Typescript, a .js framework such as React/Angular/Vue, HTML/CSS, and Node.js, Git, and etc. Experience with React for min 3 years.
  • Understanding and experience with REST APIs, RPC services, and WebSockets.
  • Proven ability to create highly interactive and engaging web applications.
  • Strong adherence to principles of effective software engineering and corresponding practices. Proficiency in writing production-quality code. Writing non-blocking code, and resorting to advanced techniques such as multi-threading, when needed.
  • Experience in frontend bundling (Webpack) and prototyping.
  • Understanding of server-side rendering.
  • Debugging, profiling, and performance optimization skills.
  • Strong communication skills in English (upper intermediate English or higher).
  • Understanding Software Lifecycle, Teamwork and the principles of Agile and Scrum, and the practical use of best practices from there.
  • Degree in Computer Science, a related field or equivalent professional experience.

Nice to have

  • Experience with Etherium ecosystem (smart contracts, events, etc).
  • Knowledge of web3 and Ethereum (ethers.js/web3.js) development tools and libraries, such as web3.js and IPFS. Experience in building decentralized applications using web3.js.
  • Experience using GraphQL.
  • Ability to stand up architecture in the cloud and set up pipelines for CI/CD.
  • Experience with Docker/Kubernetes.
  • Experience working with open-source projects.

Strong plus

  • Prior experience working as a frontend architect.
  • Understanding of blockchain concepts and smart contracts.
  • Experience with Solana.


  • Competitive salary 💰
  • Holidays: 24 working days during a year, if not taken – to be compensated 🏝
  • Working in a disruptive and fast-growing industry where the possibilities are endless 🚀
  • Fully remote: your life, your way of working 🌎
  • Freedom, autonomy and responsibility 💪
  • Learning possibilities 📚

How to Apply

Does this role sound like a good fit? Email us at

  • Include the role’s title in your subject line.
  • Send along links that best showcase the relevant experience.
  • Send a cover letter explaining us why you are the best fit.

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