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I am Sai Kumar, a Senior Full Stack Java Developer with 8+ years of experience building scalable enterprise applications across finance, telecom, healthcare, retail, and technology domains. I enjoy collaborating with product teams to translate complex requirements into robust, maintainable software and scalable architectures. I specialize in Java, Spring, microservices, RESTful APIs, and modern front-end frameworks like Angular and React. I’m proficient with AWS, Docker, Kubernetes, CI/CD, and observability tools, and I love solving tough technical challenges while keeping code quality and maintainability at the forefront.…I am Sai Kumar, a Senior Full Stack Java Developer with 8+ years of experience building scalable enterprise applications across finance, telecom, healthcare, retail, and technology domains. I enjoy collaborating with product teams to translate complex requirements into robust, maintainable software and scalable architectures. I specialize in Java, Spring, microservices, RESTful APIs, and modern front-end frameworks like Angular and React. I’m proficient with AWS, Docker, Kubernetes, CI/CD, and observability tools, and I love solving tough technical challenges while keeping code quality and maintainability at the forefront.

Sai Kumar

Full Stack Developer, Back-End Developer, Front-End Developer, +2

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I am Sai Kumar, a Senior Full Stack Java Developer with 8+ years of experience building scalable enterprise applications across finance, telecom, healthcare, retail, and technology domains. I enjoy collaborating with product teams to translate complex requirements into robust, maintainable software and scalable architectures. I specialize in Java, Spring, microservices, RESTful APIs, and modern front-end frameworks like Angular and React. I’m proficient with AWS, Docker, Kubernetes, CI/CD, and observability tools, and I love solving tough technical challenges while keeping code quality and maintainability at the forefront.…I am Sai Kumar, a Senior Full Stack Java Developer with 8+ years of experience building scalable enterprise applications across finance, telecom, healthcare, retail, and technology domains. I enjoy collaborating with product teams to translate complex requirements into robust, maintainable software and scalable architectures. I specialize in Java, Spring, microservices, RESTful APIs, and modern front-end frameworks like Angular and React. I’m proficient with AWS, Docker, Kubernetes, CI/CD, and observability tools, and I love solving tough technical challenges while keeping code quality and maintainability at the forefront.

Available to hire

I am Sai Kumar, a Senior Full Stack Java Developer with 8+ years of experience building scalable enterprise applications across finance, telecom, healthcare, retail, and technology domains. I enjoy collaborating with product teams to translate complex requirements into robust, maintainable software and scalable architectures.

I specialize in Java, Spring, microservices, RESTful APIs, and modern front-end frameworks like Angular and React. I’m proficient with AWS, Docker, Kubernetes, CI/CD, and observability tools, and I love solving tough technical challenges while keeping code quality and maintainability at the forefront.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Senior Full Stack Java Developer at Goldman Sachs

December 1, 2024 - Present

Developed real-time trading and risk analytics platform dashboards using Angular 18 and TypeScript; built reusable UI components; integrated real-time market data via WebSocket; designed cloud-native microservices with Spring Boot; implemented end-of-day workflows with Spring Batch; configured routing with Spring Cloud Gateway and Config Server; built secure RESTful APIs with Spring MVC/WebFlux; implemented Kafka-based event pipelines for trades, compliance, and risk alerts; persisted data with Spring Data JPA/Hibernate on PostgreSQL; containerized with Docker and deployed on AWS EKS; implemented monitoring with Prometheus, OpenTelemetry, Grafana, and ELK; drove CI/CD using Jenkins and GitHub Actions.

Java Full Stack Developer at Verizon

April 1, 2023 - November 1, 2024

Developed a responsive customer self-service portal using React 18 and TypeScript; built reusable UI components and dashboards; connected front-end to back-end microservices via secure REST APIs; secured APIs with OAuth2; tuned Oracle DB performance; designed REST endpoints for account, billing, and subscription services; implemented event-driven communication via Apache Kafka for billing workflows; containerized components with Docker and Kubernetes; deployed on AWS ECS; built unit and integration tests with JUnit/Mockito; implemented monitoring with Grafana.

Java Full Stack Developer at Molina Healthcare

October 1, 2021 - March 1, 2023

Developed member enrollment and provider management portals using React, TypeScript, HTML5; built role-specific UIs; connected client apps to server-side services via secure REST APIs; developed back-end services with Java 11 and Spring Boot for enrollment, claims, and provider records; integrated HL7/FHIR; secured access with OAuth2/JWT; used Kafka for notifications; persisted data with Spring Data JPA/Hibernate; deployed on AWS (EC2, RDS, S3); containerized with Docker and orchestrated with Kubernetes.

Java Full Stack Developer at Lowe’s

January 1, 2020 - September 1, 2021

Developed retail order tracking and inventory management interfaces with Angular 9; built reusable UI components and dashboards; integrated front-end with back-end services via secure REST APIs; implemented RabbitMQ-based asynchronous processing for order updates and inventory changes; designed MySQL databases; containerized with Docker and deployed on AWS; built CI/CD pipelines with Jenkins; managed code with Git; deployed on AWS EC2/RDS.

Jr Java Developer at Evolve

September 1, 2017 - November 1, 2019

Assisted in developing internal business web applications using Java 8, Spring MVC, and HTML/JS; built Angular 7 dashboards; connected front-end to REST APIs; contributed to backend modules with Core Java; implemented RESTful services with Spring MVC; used Hibernate/JDBC for data persistence; performed SQL optimization in MySQL; supported build and deployment with Maven; deployed on Linux with Tomcat; collaborated in Agile sprints.