FullstackEngineer

**This role is for one of the Weekday's clients** **Salary range: Rs 1200000 - Rs 1800000 (ie INR 12-18 LPA)** Experience: 2+ yrs Location: Gurugram Job Type: full-time We are seeking a highly motivated Full Stack Engineer with a strong backend engineering focus to join a product-driven technology team. This role is ideal for developers who enjoy building scalable backend systems, solving complex data challenges, and taking complete ownership of features from design through production deployment. As a Full Stack Engineer, you will spend most of your time designing and developing backend services using Node.js, TypeScript, and PostgreSQL while also contributing to frontend development using Next.js when required. You will be responsible for building robust APIs, designing efficient database schemas, managing transaction workflows, handling asynchronous processing, and ensuring system reliability at scale. This role requires an ownership mindset and the ability to work across the entire application stack. You will collaborate closely with product, design, and engineering teams to build high-performance solutions that directly impact customers and business outcomes. The ideal candidate is comfortable working in fast-paced environments, debugging production issues, optimizing database performance, and delivering features independently from concept to release. **Requirements** ### Key Responsibilities * Design, develop, and maintain scalable backend services using Node.js and TypeScript. * Build and optimize RESTful APIs that support web and mobile applications. * Design efficient PostgreSQL database schemas with a focus on scalability, maintainability, and performance. * Write, optimize, and troubleshoot complex SQL queries while analyzing query execution plans and database performance metrics. * Develop and maintain payment and transaction processing workflows, including webhook integrations, reconciliation processes, payout flows, and transaction reliability mechanism