Senior Software Engineer

About Vyapar We are a technology and innovation company in the fintech space, delivering business accounting software to Micro, Small & Medium Enterprises (MSMEs). With more than 10 million users across 140 countries, Vyapar is one of the fastest-growing companies in this space. We simplify invoicing, inventory management, and accounting — enabling small businesses to spend less time on manual bookkeeping and more time growing their business. Role Summary Vyapar’s Engineering team builds and scales the technology platform that digitizes bookkeeping for millions of MSMEs globally. As a Full Stack Engineer (React + Node.js) , you will be responsible for developing scalable frontend and backend features within the Vyapar application. You will work closely with product, design, and backend teams to deliver high-performance, reliable, and secure solutions. A strong understanding of JavaScript fundamentals, modern frontend frameworks, backend architecture, and databases is critical for success in this role. Key Responsibilities Translate designs and wireframes into high-quality, scalable code Develop responsive and high-performance frontend applications using React (or similar framework) Design and build scalable backend services and APIs using Node.js Develop RESTful APIs and integrate them with frontend applications Optimize applications for maximum speed, scalability, and reliability Write reusable, testable, and efficient code Implement complex business logic and algorithms to meet product requirements Design and optimize database schemas, queries, and transactions Ensure code quality through reviews, testing, and best practices Collaborate with cross-functional teams to define, design, and ship new features Troubleshoot, debug, and upgrade existing systems Contribute to CI/CD pipelines and deployment processes Technical Skills & Requirements Must Have Strong proficiency in JavaScript (ES6+) Experience with React (or Angular/Vue) Strong experience with Node.js and Express.js Good understanding of HTML5, CSS3, Responsive Design Experience building and consuming RESTful APIs Strong knowledge of SQL databases / RDBMS (MySQL, PostgreSQL, etc.) Good understanding of Data Structures & Algorithms Solid understanding of asynchronous programming and event-driven architecture Experience with version control tools like Git Strong problem-solving and debugging skills Good to Have Familiarity with Web UI/UX design principles and best practices Experience with authentication & authorization (JWT, OAuth) Exposure to cloud platforms (AWS/GCP/Azure) Understanding of caching strategies and performance tuning Familiarity with CI/CD pipelines Experience with benchmarking and optimization Exposure to fintech or accounting domain is a plus Experience Requirements 4–6 years of total experience in software development