Senior Software Development Engineer - Java

Role Overview :

We are seeking a Senior Backend Developer with 4+ years of experience in designing and building scalable fintech systems. You will work on imprest budgeting platforms, UPI payment integrations, expense management, and utility bill payment systems, owning critical services end-to-end.

Responsibilities :

• Design and develop backend systems using Java 17+

• Architect and implement microservices using Spring Boot

• Design secure, scalable APIs for UPI payments, budgeting, and expense workflows

• Own end-to-end payment transaction flows, including retries, idempotency, and reconciliation

• Design data models using SQL and MongoDB for financial accuracy and auditability

• Implement event-driven systems using Kafka

• Optimize system performance using Redis caching

• Apply design patterns and clean architecture principles

• Lead system design and optimization initiatives

• Ensure high availability, fault tolerance, and consistency

• Conduct code reviews and mentor junior developers

• Collaborate with product, compliance, and DevOps teams

• Use GitHub for version control and release management

• Leverage AI tools (Copilot / Cursor) to enhance developer productivity

Tech Stack :

• Java 17+, Spring Boot, Microservices, SQL, MongoDB, Kafka, Redis, Maven/Gradle

About Zaggle :

Zaggle makes business expenses simplified, we do this by combining software and payment solutions. We are one of Indias leading, profitable, and listed (NSE : ZAGGLE) B2B SaaS FinTech company. We offer to corporates a unified software cum payments platform for the employee expense, benefits, rewards as well as their vendor payments and channel incentives. We offer a variety of payments instruments including corporate credit cards, purchase cards, virtual cards, Prepaid cards, wearables etc. issued in partnership with leading banks like Kotak Mahindra Bank, ICICI Bank, Yes Bank, SBI Cards, IndusInd Bank amongst others.

Our platform solutions are sector-agnostic, and our network of corporate customers covers the BFSI, Technology, Healthcare, Manufacturing, FMCG, Infrastructure and Automobile industries, among others. Some of our well-known customers include TATA Steel, Persistent Systems, Toshiba, Inox, Pitney Bowes, Wockhardt, PCBL (RP Sanjiv Goenka Group) and Greenply Industries to name a few. Visit us at www.zaggle.in to know more about us!

We believe Innovation is the Key and Zaggle has been instrumental with launching multiple successful products in the last 3 years in the Business Spend Management space. Today we are a 300+ member strong team spread across Technology, Product, Sales, Implementation Services, Finance, Marketing, HR, Legal and Support functions with 7 office locations in India.