Versatile Software Engineer and Java Developer

Yuktha Vennela

360-***-**** ******@**************.*** GitHub

SUMMARY

Software Engineer with 3+ years of experience designing and building scalable web applications, backend services, and cloud-native systems. Skilled in developing secure microservices using Node.js, Express.js, Spring Boot, Spring MVC, Spring Security, Hibernate, and JPA. Proficient in designing RESTful APIs, integrating third-party services, and managing data with MongoDB, MySQL, and PostgreSQL. Experienced deploying applications on AWS (EC2, Lambda, S3, RDS) and orchestrating containers with Docker and Kubernetes. CI/CD pipelines using Jenkins and GitHub Actions, unit and integration testing frameworks like JUnit and Mocha. Frontend experience includes React.js, Next.js, Angular 10+, TypeScript, and Tailwind CSS for building responsive, user-centric interfaces. Strong foundation in system design, OOP principles, TDD, and Agile methodologies focused on performance, scalability, and clean architecture. SKILLS

Methodologies: SDLC, Agile/Scrum, Waterfall

Languages: Java, C#, TypeScript, JavaScript, Python, SQL Frontend Frameworks/Libraries: Angular 10+, React.js, Next.js, Redux, Bootstrap 5, jQuery Backend Frameworks/Libraries: Node.js, .NET Core, Spring Boot, Hibernate Web Technologies: HTML5, CSS3, Tailwind CSS, AJAX, JSON, XML Cloud/Application Server: AWS (EC2, S3, Lambda, RDS), Azure (App Services, Blob Storage) Database: MySQL, PostgreSQL, MongoDB, Oracle, DynamoDB, Firebase Realtime DB Tools: Git, GitHub, GitLab, Postman, JIRA, Visual Studio, Figma Testing & Debugging: JUnit, Mockito, Jest, Cypress, Selenium, Deployment & CI/CD: GitHub Actions, Jenkins, Docker, Kubernetes, Azure DevOps Certifications: AWS Certified Cloud Practitioner

WORK EXPERIENCE

Citigroup, Greenwich Street, New York Aug 2024– Current Software Engineer

• Designed, developed, and supported scalable, high-performance applications across the Software Development Life Cycle (SDLC), leveraging microservices architecture with Spring Boot, Java 17, and Spring Cloud for increased scalability.

• Architected and developed scalable microservices using Spring Boot, Spring REST, and Apache Kafka, ensuring high availability and fault tolerance with robust inter-service communication.

• Spearheaded the design and rollout of RESTful APIs using Spring Boot, improving credit decision engines and reducing loan approval processing time by over 40% for high-volume transactional systems across the organization.

• Migrated legacy Java applications into modular, cloud-ready microservices using best design patterns, enabling independent deployment and scalability of payment modules, while reducing downtime and resource coupling.

• Optimized PostgreSQL queries using advanced indexing and caching to improve reporting on large financial datasets by 60%.

• Implemented OAuth 2.0 and JWT for securing API interactions across critical modules, strengthening authentication workflows and meeting rigorous compliance standards like SOC2 and internal audit benchmarks.

• Automated CI/CD pipelines using Jenkins and CodePipeline, increasing deployment frequency by 40% and reducing errors.

• Built and maintained scalable web solutions with Java and Python, leveraging Agile/Scrum and SDLC methodologies to ensure efficient project delivery and adherence to requirements.

• Wrote unit and integration tests using JUnit and Mockito, achieving 90%+ code coverage and reducing post-deployment bugs. Zensar Technologies, India Apr 2021– Jul 2023

Software Engineer

• Developed backend services with Node.js and Express to support real-time payment tracking for financial clients, improving transparency and reducing error rates by over 45% through structured API architecture.

• Engineered React.js-based dashboards for real-time transaction summaries, enhancing user engagement for banking customers by providing faster, more intuitive access to daily financial insights.

• Created scalable and optimized MongoDB schemas to support document-driven financial data models, improving query efficiency and decreasing response time for high-frequency data requests during peak hours.

• Deployed serverless functions and backend services on AWS EC2 with load balancers, improving fault tolerance, reducing infrastructure costs, and supporting 99.9% system uptime for critical operations.

• Integrated third-party APIs for credit scoring and payment gateways, ensuring smooth operations and meeting financial data exchange compliance standards such as PCI-DSS and GDPR.

• Improved DevOps by introducing GitHub Actions in CI/CD, streamlining deployment and minimizing errors during production.

• Executed Test-Driven Development (TDD) practices and unit testing frameworks, such as JUnit, to minimize bugs during User Acceptance Testing (UAT) and System Testing.

• Developed and maintained server-side components using Java, Spring Web MVC, Spring WebFlux, Servlets, JSP, JSTL, JSF, and Java Beans, ensuring dynamic and interactive user experiences.

• Applied object-oriented programming principles in both C++ and C#, implementing design patterns for code reusability, maintainability, and system scalability.

• Integrated backend systems using Spring ORM, JPA, Hibernate, RabbitMQ, and optimized data persistence for robust performance. EDUCATION

Master of Engineering Sciences - Robotics University at Buffalo, New York

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