Rahul Dass
Software Engineer | Java Developer | Spring Boot | Microservices | 2.6+ YOE | Fintech Specialist (BBPS, UPI Mandates, Payouts) | Redis | MySQL | RESTful APIs | Hibernate | React JS | JWT Security | Docker
- Role
- Java Developer at Getepay
- Location
- Jaipur, RJ, IN
- LinkedIn followers
- 500 followers
About Rahul Dass
Backend Software Engineer | Java | Spring Boot | Fintech & Payment Systems2+ years building secure, scalable solutions for BBPS, UPI Mandates, high-throughput Payout engines (NEFT/IMPS), and HRMS (Payroll, Attendance, Leave).Expert in Java 8/11, Spring Boot, Microservices, Spring Security (JWT), Redis caching, Hibernate, MySQL, CompletableFuture (async/non-blocking), Design Patterns, and multithreading.Tech stack: Java, Spring Boot, Spring Security, Microservices, Redis, MySQL, Hibernate, Git, REST APIs, JWT, CompletableFuture.Core achievements:* Non-blocking 3rd-party fintech API integrations & auto-reconciliation schedulers* Redis-optimized transaction reports (seconds → sub-ms)* Idempotency, exponential backoff retries, atomic updates for concurrency safety* AES-256 encryption, Digilocker KYC, penny-drop validation, rule-based compliance (>₹20K transfers)* Strategy pattern for multi-vendor BBPS integrations (Recharge, BillPay, Gas, DTH)Passionate about maximum data accuracy, zero-downtime deployments, and high-volume transaction systems.Open to opportunities in fintech, payments, UPI/BBPS, payout/reconciliation engines.
Experience
Java Developer
Apr 2025 — Present · Jaipur, IN
Designed and implemented a fully non-blocking integration layer using Java 8 CompletableFuture for third-party fintech APIs, eliminating thread starvation issues and significantly boosting system responsiveness under load.2. Introduced Redis caching for transaction reporting, slashing data retrieval times from several seconds down to sub-millisecond levels and greatly improving merchant portal performance.3. Removed critical bottlenecks by building a multi-threaded Spring Scheduler for automated reconciliation processes, combined with CompletableFuture-driven concurrent calls to external APIs — ensuring zero thread blocking even during peak transaction volumes.4. Strengthened data security by integrating multi-level encryption (AES-256 with GCM mode) for sensitive payout payloads and merchant KYC information, including secure handling via Digilocker API integration.
Education
N.V.N,English,Medium,School
12th, Science&maths
Arya College of Engineering
B.tech, Software Engineering
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