Frontend Engineer

We’re building Tonkeeper, the leading non-custodial wallet in the TON ecosystem, helping users and developers discover dApps and DeFi tools. Tonkeeper Team has also created TON API, the largest platform on TON, and Tonviewer, a top explorer for tracking transactions, tokens and NFTs. With Tonkeeper Mobile, Tonkeeper Pro, TON API and Tonviewer, we make it easy to explore and grow on The Open Network.

Our team has plenty of experience in building products for mass adoption, and high-load services, as well as in applying innovative technologies in cryptography and blockchain.

Now we are looking to expand by hiring a Frontend Engineer.

Responsibilities:

• Build and improve the web client, ensuring high performance, security, and scalability.

• Develop and support browser extensions (Chrome, Firefox, etc.) with seamless wallet integration.

• Implement complex UI/UX solutions with a strong focus on usability, responsiveness, and cross-browser compatibility.

• Collaborate closely with product, design, and backend teams to deliver end-to-end features.

• Optimize application performance, code quality, and maintainability; conduct code reviews and mentor other developers.

• Contribute to architectural decisions and continuously improve frontend development processes and standards.

Requirements:

• 5+ years of experience building client-side applications using TypeScript and React.

• Strong expertise in building complex, responsive layouts using modern CSS (Flexbox, Grid, logical properties).

• Experience with modern browser capabilities and performance techniques (Web Animations API, prefetch/preload, rendering optimization).

• Solid understanding of how browsers and the internet work (rendering pipeline, client-server communication, caching strategies).

• Strong UX and design sensibilities, with attention to detail and a drive for high-quality implementation (pixel-perfect UI, progressive enhancement).

• Ability to work independently, take ownership of tasks, and drive them to completion.

• Experience working with and navigating large or unfamiliar codebases, with the ability to quickly understand and contribute.

• Strong problem-solving skills and a proactive approach to finding solutions.

• High level of self-awareness and a desire for continuous learning and improvement.

Nice to have

• Experience building desktop applications using web technologies (e.g. Electron).

Why it is a fantastic opportunity:

• Our business is growing at an exponential scale.

• Non-bureaucratic management that focuses on results.

• Regular performance reviews to assess your progress.

• Remote setup with access to our hubs in Dubai, Yerevan, London and Belgrade.

• Compensation for medical expenses.

• Provision of necessary equipment.

• 20 working days of paid vacation annually.

• 11 days off per year.

• 14 days of paid sick leave to support your health and recovery when needed.

• Access to internal conferences, English courses and corporate events.