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.
Team. 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.
Opportunity. 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.
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
Experience & qualifications
Must-have skills
Flutter and Android Development
Required skills
Fast Android Networking and Braintree Android SDK
Required 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
Personal or academic projects demonstrating mobile app development
Why join us
01
Build Technology That Matters: Impact
Work on a product built under India's RBI- and NPCI-approved biometric framework. Your code will directly shape how millions of Indians experience secure, PIN-free payments.
02
Real-World Engineering Experience & Growth
This is not a shadow internship. You will write production code, attend architecture discussions, and grow your skills under the guidance of experienced fintech engineers.
03
Collaborative & Inclusive Team Culture
Join a tight-knit team that values every voice. We encourage open communication, knowledge sharing, and learning from one another every day.
04
Hybrid Work Model Flexibility
Enjoy the best of both worlds with our hybrid work setup in Mumbai. Collaborate in person when it counts and work flexibly on other days.
05
Internship Stipend Compensation
Receive a competitive stipend for the duration of your internship, recognising the value you bring to the team from day one.
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.
Mission & vision: 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.
Culture: 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.

Work arrangement
No