Full-Stack Serverless Developer with AWS

Vijaya Vasanthi Kalyanam

Frisco, Tx 925-***-**** *****************@*****.*** linkedin.com/in/vijaya-v-48a81b8/ Experience

Brink’s, Full Stack Developer March 2024 – Present

– Led the design and development of scalable, serverless backend components using Python and Java, leveraging AWS Lambda and API Gateway to ensure high availability for mission-critical systems.

– Designed REST interfaces and JEE components to enhance middleware platforms, aligning with enterprise architecture standards and ensuring security, scalability, and performance.

– Optimized database performance by refactoring Oracle and MongoDB queries, improving data retrieval speed by 35% and reducing system bottlenecks under peak loads.

– Revamped front-end performance by utilizing Angular and advanced techniques like lazy loading, improving load times and user experience for operational tools.

– Enhanced backend resilience by integrating Kafka and RabbitMQ for messaging and MongoDB for persistence, ensuring stable system performance under high traffic.

– Applied Agile methodologies, Test-Driven Development (TDD), and CI/CD practices to streamline development workflows and accelerate release cycles.

– Built and integrated RESTful APIs to enable seamless interoperability between microservices and external systems.

– Provided technical leadership through the full SDLC lifecycle, driving project delivery and architecture reviews.

– Managed Agile planning sessions, handled team capacity, and coordinated deliverables with cross-functional teams.

– Led code & design reviews and mentored junior developers to maintain coding standards and technical excellence. Securonix, Software Engineer Jan 2022 – June 2022

– Designed and deployed cloud-native applications on AWS (VPC, EC2, S3, RDS, Route 53), improving deployment consistency and reducing infrastructure setup time by 40%.

– Architected service-oriented solutions with Spring Boot and Java 11, including REST APIs and asynchronous messaging patterns leveraging Kafka and RabbitMQ.

– Automated CI/CD with Jenkins, improving deployment speed and reliability while reducing errors.

– Leveraged Spring frameworks (MVC, AOP, Batch, Security) to improve modularity and data processing workflows, cutting backend processing time by 25%.

– Used Kubernetes and Docker for container orchestration and lifecycle management, while improving code reliability with unit tests in Jasmine, Karma, and JUnit.

– Provided advanced technical analysis and troubleshooting, ensuring availability and performance of applications.

– Implemented enterprise integration patterns, focusing on distributed transactions, messaging, and scalability. Securonix, Software Developer-Intern Jun 2021 – Dec 2021

– Collaborated with the team to gather and analyze requirements, contributing to the design, development, and testing phases using Agile and Scrum methodologies.

– Built foundational features like Navigation Bars for user-friendly interfaces using Angular and HTML/CSS.

– Developed SPAs and Multi-Page Web Applications to handle CRUD operations for user data.

– Created components in Angular and implemented dynamic client-side JavaScript programs for user navigation.

– Gained hands-on experience with AWS, setting up basic infrastructure and deploying Spring Boot-based microservices using Docker containers and Amazon EC2. Education

University of Illinois, Springfield, IL - Masters in Computer Science MIC college of Technology, India - Bachelors in Computer Science and Engineering Technical Skills

Programming Languages: Java, Python, C#, C++, JavaScript, HTML, CSS, PHP Frameworks/Libraries: Spring, React, Angular.js, Node.js Tools/Technologies: Maven, Git, Terraform, Postman, Kafka,RabbitMQ, Docker, Kubernetes, Jenkins, Selenium Databases/Cloud: MySQL, PostgreSQL, MongoDB, AWS (S3, EC2, RDS, Route 53, AWS CloudFront, AWS ECS, Lambdas, ACS, API Gateway), Azure

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