Sumit Kumar Raut

Senior Software Engineer

Bengaluru, Karnataka, India2 yrs 11 mos experience

Key Highlights

Expert in building scalable microservices with Java and Spring Boot.
Proven track record of optimizing system performance and reducing latency.
Competitive programmer with advanced skills in Data Structures and Algorithms.

Stackforce AI infers this person is a Backend Engineer specializing in SaaS and Telecom solutions.

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Skills

Core Skills

MicroservicesSpring BootJava

Other Skills

APIsAngularC++CommunicationComputer ScienceData Structures and AlgorithmsDatabasesDjangoDockerGitHibernateJSONJava Database Connectivity (JDBC)KafkaKubernetes

About

Experienced Backend Engineer with 3+ years specializing in building scalable, high-performance microservices and distributed systems using Java, Spring Boot, Kafka, and Redis. Skilled in designing and developing APIs, optimizing system performance, and implementing cloud-native deployments on GCP. Expertise in event-driven architectures, high-throughput applications, and reducing latency through effective query optimization and caching strategies. Proficient in database technologies including PostgreSQL, MongoDB, and SQL, with strong foundations in data structures, algorithms, and system design low-level design and high-level design. Hands-on experience with DevOps tools like Terraform and Jenkins for seamless CI/CD. Passionate about scalable systems, AI-driven development, and crafting robust, maintainable software solutions. Demonstrated problem-solving skills and commitment to team success through meticulous attention to detail and collaboration. Competitive programmer with advanced proficiency in Data Structures and Algorithms — Candidate Master on Codeforces (Max Rating 2015) and solved over 1,500 problems on LeetCode. Constantly motivated to learn, grow, and excel in software development.

Experience

Ukg

Senior Software Engineer

Nov 2024 – May 2025 · 6 mos · Noida, Uttar Pradesh, India

Developed microservices for EDAP Timekeeping Service, handling employee time tracking, attendance management, and shift scheduling for 10,000+ concurrent users
Optimized database performance by refactoring long-running queries and implementing PgBouncer connection pooling, reducing query latency by 45% and improving system throughput
Designed and implemented RESTful APIs using Spring Boot with comprehensive validation, error handling, and security (Spring Security/JWT), serving 5,000+ API requests per hour
Containerized and deployed microservices using Docker and Kubernetes, standardizing deployment pipelines and reducing deployment failures by 10%
Applied Low-Level Design patterns (Factory, Strategy, Circuit Breaker) to build scalable, maintainable microservices adhering to SOLID principles
Developed full-stack features integrating Angular frontend with Java backend microservices, implementing reactive forms and real-time data updates
Collaborated cross-functionally with product, QA, and DevOps teams in Agile sprints, delivering features on schedule with 95% code coverage

JavaSpring BootRESTful APIsDockerKubernetesPgBouncer+1

Samsung electronics

Software Engineer

Jun 2022 – Nov 2024 · 2 yrs 5 mos · Noida, Uttar Pradesh, India

Built and deployed backend microservices using Java, Spring Boot, Kafka, and Redis for internal tooling and telecom data processing, serving 200+ internal users
Designed event-driven architecture leveraging Kafka for asynchronous communication between microservices, improving system decoupling and scalability
Implemented Redis caching layer for frequently accessed data, reducing API response times by 40% and database load by 30%
Optimized Android boot performance by refactoring APN loading logic in RIL (Radio Interface Layer), improving PDN connectivity speed by 30%
Developed call processing modules for 3GPP, GSM, LTE, and IMS protocols, managing core network resource allocation and improving system reliability by 15%
Debugged and enhanced vendor code for network handovers, PDN connectivity, MMS, and call forwarding features, increasing customer satisfaction scores by 15%
Integrated Angular dashboards with Spring Boot REST APIs for real-time monitoring and analytics of telecom services
Applied multithreading and concurrency techniques to handle parallel processing of network events, ensuring thread safety and preventing race conditions
Conducted code reviews and mentored 2 junior developers on Spring Boot best practices, design patterns, and testing strategies