Senior Node.js Developer

LimeChain is a global leader in Web3 development and innovation, working with Fortune 500 clients and Web3 startups. We’re experts in crafting dApps, blockchain networks, and enterprise solutions using a wide range of Web3 technologies. With over 220 projects under our belt and a team of more than 170 industry experts, we are now one of the companies with the most accumulated know-how in the Web3 space.We’re a blockchain company, but you don’t need prior blockchain or Web3 experience to join us - we’ll provide full onboarding and training to get you up to speed.What will you be doing:Designing and developing scalable, high-performance backend applications using Node.js and modern frameworks like NestJS, Fastify, or Express.js.Writing reusable, maintainable, and testable code for both RESTful and GraphQL APIs.Integrating applications with relational and NoSQL databases.Creating and managing custom middleware solutions for efficient request processing and security.Collaborating with frontend developers to ensure seamless API integration and provide support for end-to-end user experiences.Participating in code reviews, providing constructive feedback, and promoting best coding practices within the team.Documenting API specifications and backend logic to ensure clarity and ease of maintenance.Continuously optimizing the application for performance and scalability under concurrent loads.Engaging in the development of advanced backend architectures, including microservices and distributed systems.What you bring to the table:Experience in designing, developing, and maintaining Node.js applications.Strong proficiency with asynchronous programming, Promises, async/await, and Node.js event-driven architecture.Experience with modern Node.js frameworks such as Express.js, NestJS, Fastify, Koa, or Hapi.js.Deep understanding of relational databases (PostgreSQL, MySQL) and NoSQL databases (MongoDB, Redis), with hands-on experience in database integration and optimization.Familiarity with RESTful and GraphQL API design and development.Excellent problem-solving skills and the ability to handle complex technical challenges.Strong communication and collaboration skills, with the ability to work effectively within a team.Not a deal-breaker, but we’ll totally high-five you for it if you have:Previous knowledge or experience in Web3/Blockchain would be considered an advantage, but it is not mandatory.Familiarity with TypeScript.#OneOfLime Perks:Opportunity to enter the exciting world of Web3 and learn from some of the best minds in the industry; Don’t worry, our blockchain onboarding will pave your way for an epic journeyReal Impact: We are working on some of the most exciting projects in Web3 using the latest technologies. Your code won’t just run – it’ll reshape industriesA house full of more than 170 Limes – a “Lime” is a person that is willing to go the extra mile, that is determined, a top performer, a life learner and an explorerUnlock up to 25 days of annual leave, rewarding your commitment with usCar allowance – Limes receive financial and administrative support for purchasing a personal vehicle after their second year with usFlexible working hours – Need to finish some personal errands in the morning? That’s fine!Additional healthcare – We got your premium medical and dental care coveredSport by passion – Sport initiatives, tournaments, internal sports clubs (Lime Run Club, FC LimeChain and more) and fellow Limes passionate about longevity and peak performanceTwo epic team building events per year, as well as monthly team bonding events аnd fiery game nightsWednesday team feast and daily snacks – we treat ourselves to daily goodies throughout the weekMerch and Gifts – we love our branded swag as we believe in showing our appreciation in style