Nikhil S

• Senior Software Engineer with 10+ years of experience designing, developing, and delivering enterprise-grade applications using Java, Spring Boot, Microservices, REST APIs, React, TypeScript, AWS, and cloud-native technologies across telecom, healthcare, retail, and enterprise domains. • Extensive experience building scalable backend solutions using Java 17/11/8, Spring Boot, Spring MVC, Spring Security, Spring Data JPA, Hibernate ORM, Microservices Architecture, and RESTful Web Services for high-volume distributed applications. • Strong expertise in full-stack development with hands-on experience designing responsive user interfaces using React.js, TypeScript, JavaScript ES6+, Redux, React Hooks, HTML5, and CSS3 integrated with Java Spring Boot REST APIs. • Proven experience architecting and modernizing enterprise platforms by transforming legacy applications into modular Java Spring Boot Microservices, improving scalability, maintainability, performance, and system reliability. • Skilled in designing and developing enterprise-grade REST APIs, GraphQL services, API gateways, service orchestration layers, and backend integrations supporting real-time data processing and high-availability applications. • Strong experience implementing secure application solutions using Spring Security, OAuth2, JWT authentication, RBAC, API security standards, and enterprise access control mechanisms. • Hands-on expertise developing event-driven architectures using Apache Kafka, Java Microservices, asynchronous processing, distributed messaging, retry handling, and fault-tolerant system integrations. • Experienced in cloud-native application development using AWS services including EC2, S3, Lambda, IAM, API Gateway, RDS, and CloudWatch with exposure to scalable deployments and production monitoring. • Strong knowledge of containerization and orchestration technologies including Docker, Kubernetes, Microservices deployments, container management, and cloud-native application delivery practices. • Experienced in building automated software delivery pipelines using Jenkins, GitLab CI/CD, Azure DevOps, Maven, Docker, Kubernetes, and DevOps best practices to improve build, test, and deployment processes. • Expertise in database design and optimization using MySQL, SQL, Spring Data JPA, Hibernate, indexing strategies, query tuning, execution plan analysis, and performance optimization techniques. • Successfully improved enterprise workflow processing by 40% through redesigning approval engines, backend state management, service execution flows, and scalable Java Spring Boot Microservices. • Achieved 70%+ reduction in API latency by optimizing REST APIs, MySQL queries, Hibernate data access layers, database indexes, and service-level performance bottlenecks. • Reduced redundant service communication by 35% through reusable service contracts, API orchestration patterns, optimized backend integrations, and improved Microservices architecture. • Experienced in implementing monitoring and observability solutions using Splunk, AWS CloudWatch, structured logging, dashboards, root-cause analysis (RCA), and production support practices. • Strong testing experience using JUnit, Mockito, Spring Boot Test, automated testing frameworks, code quality improvements, and defect prevention strategies. • Proven technical leadership experience mentoring engineering teams, conducting code reviews, driving architecture discussions, improving engineering standards, and supporting enterprise application delivery. • Hands-on experience with Agile/Scrum methodologies, collaborating with product owners, architects, QA teams, and cross-functional stakeholders throughout the software development lifecycle. • Experienced using Python scripting and automation techniques for backend utilities, API analysis, debugging, data validation, workflow automation, and engineering productivity improvements. • Strong background in enterprise system integrations involving REST/SOAP APIs, JSON, XML processing, SAP integrations, transaction processing systems, and business workflow automation. • Passionate software engineer focused on building reliable, secure, and scalable solutions using modern Java, Spring Boot, React, AWS, Microservices, Kubernetes, Kafka, and DevOps engineering practices.