MahammadHanif

I.T.Analyst || Senior Java Full stack Developer

Tata Consultancy Services • Full-time

Mar 2023 - Sep 2026 • 3 yrs 6 mos

• Optimized application performance by 20% through Java memory management, database query refactoring, and distributed caching, drastically reducing server latency and database load. • Drive full-stack application development, engineering highly scalable REST API endpoints utilizing Spring Boot and integrating them with dynamic ReactJS frontend components. • Architect and deploy robust microservices leveraging Domain-Driven Design (DDD) principles across public and private AWS cloud ecosystems. • Translate complex client requirements into technical specifications, managing end-to-end delivery from database optimization to frontend UI rendering. • Enforce software quality standards by architecting automated functional testing (Karate framework) and comprehensive unit/integration tests (JUnit 5, Mockito, TestNG).

Lead Software Engineer

Persistent Systems • Full-time

Jul 2021 - Feb 2023 • 1 yr 7 mos

Led a cross-functional team of software engineers and mentored junior developers, establishing clean coding standards, conducting peer code reviews, and accelerating project delivery by 25%. • Spearheaded the design, development, and optimization of robust Java/Spring Boot REST APIs, adapting legacy features to evolving client architectures. • Designed scalable microservices utilizing Domain-Driven Design methodologies for seamless deployment across hybrid cloud environments. • Executed rigorous regression and performance testing protocols, ensuring the high availability and zero-downtime stability of modernized systems. • Managed unit and integration testing processes (JUnit 5, Mockito, Karate) to guarantee enterprise-level code reliability.

Java Full stack developer

Fiverr • Freelance

Apr 2019 - Jun 2021 • 2 yrs 2 mos

• Delivered customized, full-stack software architectures for SMBs utilizing Java, Spring Boot, Spring MVC, and responsive AngularJS frontends. • Engineered automated bots and backend integrations, successfully leveraging Shopify and Twitter Developer APIs to enhance client business capabilities. • Diagnosed and resolved complex full-stack customer issues, establishing creative workarounds and deploying immediate defect fixes to production. • Optimized database operations by designing and deploying automated data export/import workflows.