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Abhishek Yadav

@abhishekyadav13

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Java backend developer focused on secure, scalable FinTech payment gateways and assessment platforms.

India

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What I'm looking for

I’m looking for a Java backend role where I can build secure payment/transaction APIs and high-availability platforms, own performance improvements, and grow in an Agile team delivering fintech-grade reliability.

I’m a Java Backend Developer with 2 years of experience building secure, scalable fintech payment gateways and assessment platforms. I focus on designing resilient backend services with strong authentication, authorization, and reliable integrations.

At LaitusNeo Technologies Pvt Ltd, I architected a Spring Boot-based fintech payment gateway handling PayIn/PayOut transactions with merchant onboarding and prefund wallet management. I implemented JWT authentication and RBAC for admin/client portals, improving system security by 40%, and optimized Hibernate/JPA database queries to reduce API response time by 35%.

Previously at MeritTrack Service Pvt Ltd, I developed an online assessment platform serving 10,000+ candidates with 99.9% uptime. I engineered registration, exam delivery, and automated result processing, including an automated result calculation engine that reduced manual processing time by 80%, while collaborating in Agile teams to deliver features on tight deadlines.

Experience

Work history, roles, and key accomplishments

Current

Java Backend Developer

Current

LaitusNeo Technologies Pvt Ltd

Jun 2025 - Present (1 year)

Architected a Spring Boot-based fintech payment gateway handling PayIn/PayOut transactions, including merchant onboarding and prefund wallet management. Implemented JWT authentication and RBAC to improve security by 40% and optimized Hibernate/JPA queries to reduce API response time by 35%.

Java Spring Boot Spring Security JWT RBAC Hibernate JPA REST APIs MySQL FinTech: Payments

Backend Developer

MeritTrack Service Pvt Ltd

Jan 2024 - Apr 2025 (1 year 3 months)

Developed a secure online assessment platform for 10,000+ candidates with 99.9% uptime, delivering backend modules for registration, exam delivery, and automated results processing. Built admin dashboards with analytics and automated result calculation, reducing manual processing time by 80%.