Full Stack Engineer

About the Role

As a Full Stack Developer Intern at TansorPay, you will contribute to building cutting-edge mobile payment experiences. You will work on real features that help users transact securely using biometric authentication. You will join a small, focused engineering team working closely with product and design to ship features that power TansorPay's next-generation UPI payment platform. Gain hands-on experience at the intersection of fintech and biometric technology. You will build production-grade Android and Flutter features that directly impact how millions of Indians transact.

Key Responsibilities

• Build and maintain cross-platform mobile features using Flutter for TansorPay's payment application
• Develop native Android modules and integrate them with the Flutter layer
• Implement and manage network calls using Fast Android Networking for seamless API communication
• Integrate Braintree Android SDK to support secure in-app payment flows
• Collaborate with senior engineers to understand architecture decisions and best practices
• Write clean, well-documented code and participate in peer code reviews
• Troubleshoot bugs and performance issues across Android and Flutter codebases
• Partner with the product team to translate user stories into functional mobile features

Requirements & Tech Stack

• Must-have skills: Flutter and Android Development
• Required skills: Fast Android Networking and Braintree Android SDK

Qualifications

• Currently pursuing or recently completed a degree in Computer Science, Engineering, or a related field — or equivalent practical experience
• Preferred qualifications: Familiarity with UPI, payment gateways, or fintech mobile applications
• Preferred qualifications: Personal or academic projects demonstrating mobile app development

About TansorPay

TansorPay is a Mumbai-based fintech startup building the next generation of UPI payments — no cards, no phones — just you. We enable users to approve and authenticate payments using facial recognition. Our mission is to simplify digital payments while enhancing security and trust in the fintech ecosystem. By integrating AI-driven fraud detection, privacy-first data encryption, and seamless UPI interoperability, TansorPay is setting new standards for how India transacts. At TansorPay, we are a small team with a big vision. We value ownership, curiosity, and a bias for action. Every team member has a direct impact on the product and the customers we serve.