Application Engineer - Backend

About GoKwik

GoKwik is a growth operating system designed to power D2C and eCommerce brands — from checkout optimization and reducing return-to-origin (RTO), to payments, retention, and post-purchase engagement. Today, GoKwik enables over 15,000+ merchants worldwide, processes $2 billion+ in GMV annually, and continues to scale its AI-powered infrastructure. Backed by RTP Global, Z47, Peak XV, and Think Investments, and bolstered by a $13 million growth round in June 2025 (total funding: $68 million), GoKwik is expanding rapidly across India, the UK, Europe, and the US.

Why This Role Matters

At GoKwik, engineering is the foundation of how we enable seamless commerce for thousands of D2C brands. As an Application Engineer (Backend), you’ll contribute to building the systems that power checkout, payments, and integrations — all at massive scale. This role is ideal for engineers who are early in their careers but eager to take on real-world challenges, learn from experienced mentors, and make an immediate impact. You’ll get hands-on experience building APIs, working with payment gateways, and solving live merchant integration use cases — all while learning the best practices of scalable, production-grade systems.

What You’ll Own

• Backend Development – Build and maintain backend modules using Node.js and Express, ensuring clean and efficient architecture.
• API Development – Develop and test REST APIs and small integrations that connect GoKwik’s systems with merchants and partners.
• Merchant Integrations – Work on live merchant integrations across major GoKwik products such as checkout, payments, and RTO reduction.
• Third-Party APIs – Implement and maintain APIs for external services like payment gateways and banks, ensuring smooth functionality and timely updates.
• Collaboration with Product – Understand API specifications from payment partners and work closely with Product Managers and Banking Solutions teams for clarifications and enhancements.
• Code Quality & Learning – Write clean, reusable, and well-documented code. Debug, test, and review code under guidance from senior engineers.
• System Understanding – Learn internal systems, databases, and deployment workflows while contributing to real product features from day one.
  

Who You Are

• Hands-on understanding of JavaScript / TypeScript and REST API fundamentals.
• Familiarity with MongoDB or PostgreSQL, and version control using Git.
• Basic knowledge of CI/CD pipelines and environment setup.
• Curiosity to learn, adaptability, and a growth mindset.
• Strong discipline in writing maintainable, well-tested code.
• Basic understanding of JavaScript, HTML5, and CSS3 for debugging.
• Exposure to at least one production-grade application (academic or professional).
• Collaborative team player comfortable working from the office.
• Thinks AI-first - looks for ways to make systems smarter, faster, and more efficient.
  

Why GoKwik

At GoKwik, you won’t just be writing backend code — you’ll be building the digital infrastructure that drives eCommerce for thousands of brands. You’ll work in a high-growth, AI-driven environment where engineers are empowered to ship fast, learn deeply, and own outcomes. You’ll get the opportunity to learn from experienced product and engineering leaders, work with cutting-edge technologies, and see your work directly impact merchant success.