Vikas Kumar — Software Engineer

About Backend Engineer | 4.5+ Yrs | Java • Spring Boot • Microservices • System Design • DSA(Data Structure & Algorithm) •AWS • High-Performance Systems SWE II @ OneCard with 4.5 years of experience in designing, developing, and scaling backend systems that power real-world enterprise applications. I specialize in Java and Spring Boot microservices, focusing on clean architecture, scalability, and performance. Over the years, I’ve worked on high-traffic financial and tech systems, optimizing performance, improving reliability, and ensuring seamless user experience across distributed environments. 💻 Core Expertise: Java 8+, Spring Boot, Spring Data JPA, Hibernate, MicroNaut, Microservices, REST APIs, System Design, Sql, Kafka, Redis, ElasticsSearch, Multithreading, and Concurrency. ☁️ Cloud & DevOps: AWS (EC2, ECS,EKS, S3, RDS, Lambda), Docker, Jenkins, CI/CD Pipelines, TeamCity, Urban code deploy(UCD) and Git. 🗄️ Databases: MySQL, PostgreSQL, and NoSQL — with strong command over schema design, query optimization, and database performance tuning. 🔍Performance: JVM profiling, multithreading, concurrency, code refactoring, Prometheus/Grafana monitoring. 🧩 Quality & Performance: Experienced in JUnit, Mockito, and integration testing; proficient in debugging, profiling, and refactoring for optimal efficiency. 🏆 Highlights: • Solved 700+ DSA problems across LeetCode, GeeksforGeeks & HackerRank. • Strong grasp of algorithms, data structures, and scalable system design. • Recognized for delivering reliable, maintainable, and production-grade code. 🎯 Currently exploring opportunities in Backend Engineering / Distributed Systems / Cloud-Native Development, where I can leverage my technical depth to build systems that are fast, fault-tolerant, and scalable — while continuously learning and growing.

Stackforce AI infers this person is a Backend Engineer specializing in Fintech and Cloud-Native Development.

Location: Pune, Maharashtra, India

Experience: 4 yrs 10 mos