Java Backend Developer with Microservices Expertise

Summary

Arshad Mohammad

Java Developer

OHIO 513-***-**** ****************@*******.*** LinkedIn Java Developer with 4+ years of experience delivering high-performance, secure, and scalable backend systems across finance and e-commerce domains. Proven success in modernizing monoliths to microservices, reducing transaction latency, enhancing system resilience, and improving cloud performance. Strong expertise in Spring Boot, Microservices, AWS, Kafka, Redis, and distributed architectures. Adept at building fault-tolerant financial services, optimizing database performance, and supporting high-traffic e-commerce workloads. Known for improving customer experience, engineering reliability, and accelerating deployment cycles through automation and CI/CD. Skills

Languages: Java 8/11/17, SQL, Python, JavaScript

Frameworks: Spring Boot, Spring MVC, Spring Security, Hibernate, JPA Architecture: Microservices, Event-Driven Systems, REST, SOAP, GraphQL Messaging: Kafka, RabbitMQ

Cloud: AWS (EC2, ECS, Lambda, RDS, S3, CloudWatch) DevOps: Jenkins, GitHub Actions, GitLab CI, Docker, Kubernetes, Maven, Gradle Databases: PostgreSQL, MySQL, Oracle, MongoDB, Redis Testing: JUnit, Mockito, REST Assured, TestNG, Postman Monitoring: ELK, Splunk, Prometheus, Grafana

Methodologies: Agile/Scrum, CI/CD Automation

Professional Experience

Java Developer PNC Financials Feb 2025 – Present

Modernized legacy digital banking modules into Spring Boot microservices, increasing system scalability and supporting higher transaction volumes during monthly peak cycles.

Reduced secure transaction latency by 40% using Redis caching, async processing, and optimized backend logic.

Migrated high-risk financial workloads to AWS (EC2, ECS, RDS) using Terraform, cutting environment provisioning time from 3–5 days to under 4 hours.

Strengthened security posture by implementing OAuth2, JWT, and OpenID Connect and eliminating OWASP Top 10 vulnerabilities.

Built CI/CD pipelines enabling blue-green deployments, resulting in 30% fewer release issues and achieving weekly production releases.

Improved SQL query performance with indexing/partitioning, reducing reporting query latency by 45%, enabling near real-time financial analytics.

Partnered with compliance teams to ensure audit-ready code for SOX & financial regulatory requirements. Java Developer Wipro Mar 2021 – Jul 2023

Built and optimized REST APIs (Spring MVC, Hibernate) supporting 1M+ monthly transactions, ensuring high availability and secure data flow.

Integrated payment gateways with robust retry and circuit-breaker logic, achieving 99.9% uptime for critical transaction services.

Migrated Java 7 monolithic services to Java 11 Spring Boot microservices, reducing production defects by 25% and improving maintainability.

Tuned backend queries and batch processes, improving database throughput by 35% during peak seasonal traffic.

Increased automated test coverage to 80% with JUnit + Mockito, reducing post-production errors and stabilizing releases.

Enabled consistent, scalable deployments by containerizing services with Docker and Kubernetes.

Developed monitoring dashboards (Prometheus/Grafana), reducing MTTR by 30%. Java Developer CueTech Systems Jan 2020 – Feb 2021

Engineered microservices for product catalog, cart, and order management, improving API response time and supporting 10K+ concurrent users.

Designed REST & GraphQL APIs optimized for flash-sale traffic, enabling high-speed retrieval and stable performance under heavy load.

Implemented Kafka/RabbitMQ for real-time order events, increasing processing throughput 3 and reducing checkout delays.

Automated CI/CD pipelines (Jenkins, GitLab CI), accelerating release cycles from weeks to days.

Secured payment and checkout workflows with Spring Security and OAuth2, enabling safe and frictionless transactions.

Improved incident resolution speed using ELK/Splunk dashboards, reducing downtime and accelerating root- cause analysis.

EDUCATION

Master of Science in Computer Science, Wright State University

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