Back End Developer

Job Description : Senior Backend Developer - Java

About CARD91

CARD91 is a leading Issuance Platform-as-a-Service provider, revolutionising payment infrastructure for banks, corporations, and fintech companies. Our platform supports the issuance of various payment instruments, including PPI, debit, credit, multi-currency cards, and UPI, enhancing transaction visibility, control, and decision-making speed for customers, vendors, partners, and employees.

We pride ourselves on supporting diverse, payment-instrument-agnostic use cases, fulfilling our vision of seamless and efficient issuance. Our cutting-edge suite includes an issuer processor (switch), a card management system, a configurable program manager layer, and various ancillary products, all designed to streamline the issuance process. These tools empower leading banks and fintechs with simplified, scalable, secure, and rapid card issuance and processing capabilities.

CARD91 collaborates closely with major card networks like RuPay, Visa, and Mastercard, and is NPCI's preferred partner. This ensures our products effectively address payment challenges in India and are as well-suited for global expansion.

Backed by $14 million in pre-Series A funding from top-tier investors including Infinity Ventures, Point72 Ventures, Sabre Partners, EMVC, Commerce Ventures, and notable angel investors, CARD91 is headquartered in Bengaluru with offices in Mumbai, Delhi, and Chennai.

Position : Senior Backend Developer - Java

Java is used to run our main issuance and processing system. This system is also in charge of the user experience for card issuance and management. Our services are built using the core Java as well as the Spring Boot framework. This also includes event driven architecture understanding - using Kafka streams.

The backend team for the tech stack will be a group of 12 engineers with a big job to do : bring the various payments related products to life. It will be a hands-on position in which each team member enjoys producing high-quality code and benefits from each other's experience.

Roles and responsibilities :

• Design, develop, and maintain RESTful APIs and backend services using Java.
• Collaborate closely with product managers, frontend developers, and QA teams to deliver robust solutions.
• Optimize application performance and ensure scalability and reliability.
• Work with databases (SQL / NoSQL) to design efficient schemas and manage data flow.
• Implement security best practices to protect sensitive financial data.
• Participate in code reviews, ensuring quality, maintainability, and adherence to best practices.
• Troubleshoot, debug, and resolve production issues in a timely manner.
• Stay updated with emerging technologies, tools, and frameworks to improve backend architecture.

Qualifications & Skills :

Why should you join?

Job Location : Bengaluru

What’s on offer