Open to Opportunities

Suraj Kumar Singh Senior Backend Engineer

Crafting enterprise-grade backend systems with Spring Boot and Java. Specialized in microservices architecture, building high-performance distributed applications that power financial ecosystems with 99.9% uptime.

4+ Years Experience

65% Performance Boost

99.9% System Uptime

50+ Devs Trained

Get In Touch View Projects Download Resume

Technical Expertise

Skills & Technologies

Mastering modern backend technologies to deliver exceptional enterprise solutions

⚙️

Backend Development

Java 8-21 Spring Boot 3.3.x Spring MVC Spring Data JPA Hibernate Spring Batch

🔐

Security & Auth

Spring Security JWT OAuth2 AES/RSA RBAC

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Microservices

Spring Cloud REST APIs Event-Driven API Gateway Resilience4j

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Messaging

Apache Kafka Kafka Streams RabbitMQ WebSocket

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Caching & Performance

Redis Apache Ignite Distributed Cache JVM Tuning

📊

Observability

OpenSearch Fluent Bit Prometheus Grafana Micrometer

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Databases

Oracle MySQL PostgreSQL SQL/PL-SQL

☁️

Cloud & DevOps

AWS EKS Docker Kubernetes Jenkins CI/CD

Career Journey

Professional Experience

Building enterprise systems and mentoring the next generation of developers

May 2023 – Present

Senior Java Spring Boot Developer

Prounce Solution, Hyderabad

Leading backend architecture for enterprise financial platforms and implementing comprehensive observability solutions.

Architected microservices using Java 21 and Spring Boot 3.3.x serving 10,000+ concurrent users
Reduced API latency by 65% through Redis and Apache Ignite distributed caching
Built centralized observability with OpenSearch, Fluent Bit, Prometheus achieving 99.9% uptime
Implemented JWT/OAuth2 security with AES/RSA encryption for financial transactions
Designed event-driven architecture using Kafka and WebSocket for real-time processing
Created Common Service module reducing code duplication by 30% across 15+ services

Nov 2021 – May 2023

Java Trainer

editOneTheme / NareshIT, Hyderabad

Mentored aspiring developers in Core Java, Spring Boot, and microservices architecture.

Trained 50+ professionals in Java, Spring Boot, and Microservices best practices
Conducted hands-on sessions on OOPs, Collections, Multithreading, and JDBC
Guided students through end-to-end project development and cloud deployment
Delivered workshops on Spring Security, REST APIs, and Hibernate integration

Portfolio

Featured Projects

Enterprise applications architected and delivered with excellence

💰

Financial Application

Enterprise financial management platform with multi-level workflows, real-time processing, and comprehensive audit trails. Handles high-volume transactions with 99.9% uptime.

Spring Boot 3.3.x Java 21 Kafka Redis Apache Ignite OpenSearch

🎫

Support Application

Comprehensive ticket management system with role-based workflows, real-time notifications, and SLA tracking. Integrated with financial ecosystem.

Spring Boot 3.x Java 17 Kafka WebSocket PostgreSQL

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SmartHub Observability

Centralized observability platform providing real-time monitoring, advanced log analytics, and system visibility across distributed services.