STON.fi stands at the forefront of decentralized finance, operating as an Automated Market Maker (AMM) DEX on the TON blockchain. Our platform sets itself apart with virtually zero fees, low to zero slippage, and a user-friendly interface, seamlessly integrated with TON wallets. In the future, we are proud to offer a suite of advanced features such as cross-chain swaps, gasless transactions, and a commitment to the DAO governance model, ensuring community-centric decision-making and continuous innovation.

As we expand, we are searching for a Senior Fullstack Engineer to join our team to focus mostly on our marketing products, helping us promote the product that we are building in various ways. Usual tasks will include creating bots and Telegram apps to bring new users into the main product - and what not!

Responsibilities:

• Develop and maintain high-quality, scalable, and reusable code for Telegram mini apps using React and Node.js.
• Build and refine user interfaces for better user experience, with a focus on responsive design.
• Collaborate with Product Designers to translate designs into functional user interfaces, ensuring high performance.
• Design and implement robust backend services in Node.js to support front-end features.
• Integrate front-end applications with backend services using RESTful APIs and WebSocket connections.
• Debug application issues across the stack (frontend and backend) and push updates to improve functionality and user experience.
• Stay up-to-date with new technology trends, applications, and protocols in both the React and Node.js ecosystems.

Requirements:

• 3-5 years of experience in full-stack development, including proficient knowledge of Node.js and React.
• Strong understanding of JavaScript and TypeScript.
• Experience with front-end development tools such as Babel, Webpack, NPM, etc.
• Familiarity with state management libraries (e.g., Redux, MobX).
• Proficient in CSS and CSS preprocessors like SASS or LESS, with a strong grasp of responsive design principles.
• Ability to architect and implement scalable and performant front-end systems and features, as well as robust backend services.
• Experience in integrating front-end applications with backend services using RESTful APIs and WebSocket.
• Experience with modern build pipelines and tools in both frontend and backend environments.
• Excellent written and verbal communication skills in English (B2 or higher level)
• Ideally placed in CET timezone or ready to adapt working hours to this timezone.

Would be a plus:

• Experience in Telegram mini application.
• Experience in decentralized finance (DeFi) and Blockchain technologies.
• Experience in PostgreSQL.

What we offer:

• A remote work environment with flexible hours.
• Competitive salary.
• A team of industry experts who are passionate about innovation in blockchain and financial technology.