Stack Developer Spring Boot

LOKESH MEDA

Java Full Stack Developer

EMAIL ID:************@*****.*** PHONE NUMBER:314-***-****

PROFESSIONAL SUMMARY

Over 5 years of professional experience in Full Stack Java Development with expertise in Java, Spring Boot, Microservices, Angular, and React.

Strong background in cloud platforms (AWS and Azure), delivering secure, scalable, and enterprise-grade applications.

Expertise in Spring Boot, Spring Security, RESTful APIs, OAuth 2.0/JWT, and microservice communication using Feign Client, Web Client, and messaging platforms (Kafka, RabbitMQ, ActiveMQ, AWS SQS, Azure Service Bus).

Proficient in Reactive Programming with Web Flux and Project Reactor for high-throughput, low-latency systems.

Hands-on experience in frontend frameworks (Angular and React) with GraphQL integrations to build responsive, data-driven UIs.

Skilled in CI/CD automation with Jenkins, Docker, Ansible, Terraform, and Kubernetes (EKS, AKS) through Infrastructure-as-Code practices.

Strong knowledge of databases: Oracle, MySQL, PostgreSQL, MongoDB, Cassandra, Cosmos DB, DynamoDB, with stored procedures and ORM optimizations.

Applied TDD/BDD practices using JUnit, Mockito, Cucumber, Selenium, Jasmine, Karma, Postman, and Swagger for high-quality, reliable delivery.

Proficient in monitoring & collaboration tools: ELK Stack, Prometheus, Grafana, Splunk, Datadog, Git, GitHub, Bitbucket, SVN, thriving in Agile/Scrum environments.

Consistently delivered quality software with automation across the stack, including Terraform provisioning, CI/CD deployment, and end-to-end DevSecOps integration, improving productivity and reducing downtime.

TECHNICAL SKILLS

Category

Technologies

Languages

Java, JavaScript, TypeScript, SQL, PL/SQL, Python, C++, C#, CI/CID, OPA

Web Technologies

HTML5, CSS3, JavaScript, Bootstrap, jQuery, Ajax, GraphQL

Databases

Oracle, MySQL, DB2, PostgreSQL, SQL Server, MongoDB, Cassandra, Dynamo DB

ORM Frameworks

Hibernate, JPA, Spring Data JPA, Spring JDBC, Spring Data REST

Web Servers

Apache Tomcat, WebSphere, WebLogic, JBoss

Testing Frameworks

JUnit, Mockito, TestNG, Cucumber, Citrus, Jest, Jasmine, Karma, Mocha

Version Control Tools

Git, SVN, CVS

Methodologies

Agile (Scrum), Waterfall

Cloud Technologies

AWS (EC2, S3, RDS, Lambda), Azure (App Services, Blob Storage),, Kubernetes, containerization, Helm Charts, Gitops, ArgoCD

Security

OAuth2, JWT, SAML, SSL, OpenID

Messaging Systems

Apache Kafka, RabbitMQ, ActiveMQ, FastAPI

PROFESSIONAL EXPERIENCE

Client: Comcast (July 24 - Present)

Project About: - Telecom Subscription & Billing Modernization

Comcast modernized its legacy subscription and billing platform to support millions of customers, real-time updates, and seamless integration with CRM, provisioning, and notification systems.

Role: Full Stack Java Developer

Designed and developed scalable Spring Boot microservices with RESTful APIs, secured using OAuth2/JWT, and integrated with Angular 9 frontends (Reactive Forms, Bootstrap) to improve telecom subscription and billing experiences.

Implemented responsive UI components with HTML5, CSS3, JavaScript, and Angular Directives, while performing unit and automation testing using JUnit, Mockito, Karma, Jasmine, Protractor, and Cucumber to ensure high-quality delivery.

Built Node.js utility services and leveraged Apache Kafka for real-time event publishing and asynchronous processing across provisioning, billing, and CRM microservices.

Managed data persistence with Spring Data JPA (MySQL) and Cassandra clusters, and automated API validations using Swagger, Postman, and SOAP UI for seamless integration with CRM systems.

Deployed applications on AWS (EC2, S3, EKS) and Azure Blob Storage, automated infrastructure with Terraform, and enabled CI/CD pipelines via Jenkins, SonarQube, and Jacoco for continuous quality checks.

Monitored and optimized systems using Prometheus, Grafana, ELK Stack, and Log4j, collaborated in Agile teams with JIRA, Git, and pull requests, and contributed to cross-team architectural discussions on SOA and microservice scalability.

Environment & Tools: Java 11, Spring Boot, Spring Security, Spring Cloud Gateway, Angular 9, Node.js, HTML5/CSS3, Bootstrap, JavaScript, MySQL, Cassandra, Apache Kafka, AWS (EC2, S3, EKS), Azure Blob Storage, Terraform, Jenkins, SonarQube, Jacoco.

Client: Goldman Sachs (Jan 2021 - Aug 2023)

Project About: -Wealth Track – Digital Onboarding & Portfolio Modernization

Goldman Sachs modernized its wealth management and compliance platforms to streamline customer onboarding, KYC verification, and portfolio tracking while ensuring regulatory compliance and high system availability.

Role: Full Stack Java Developer

Built secure Spring Boot microservices for customer onboarding, KYC verification, and transactions, implementing OAuth2/JWT-based authentication, Spring Security, and centralized routing with Spring Cloud Gateway.

Developed responsive wealth management dashboards in ReactJS (Hooks, Redux, Bootstrap, HTML5) with automated frontend testing using Jest, Mocha, and Chai, achieving 90%+ coverage.

Managed relational and NoSQL data with PostgreSQL and Cassandra via Spring Data JPA, while enabling real-time transaction processing and fraud alerts using Apache Kafka.

Automated CI/CD pipelines with Jenkins, Maven, SonarQube, and Jacoco, integrating testing frameworks (JUnit, Mockito, Cucumber) and ensuring secure, high-quality deployments.

Deployed cloud-native solutions on AWS (RDS, ECS, S3) and GCP, applying a multi-region deployment strategy for disaster recovery and scalability, while monitoring apps with Logstash, Kibana, and Slf4j.

Migrated legacy SOAP APIs to REST, collaborated with architects to design SOA-based reusable services, and implemented resilience patterns (Resilience4j, circuit breakers, custom error handling).

Environment & Tools: Java 11, Spring Boot, Spring Security, Spring Cloud Gateway, ReactJS (Hooks, Redux, Bootstrap, HTML5), PostgreSQL, Cassandra, Apache Kafka, AWS (RDS, ECS, S3), GCP, Maven.

Client: Best Buy (Jan 2019 – Dec 2020)

Project About: - NextGen E-Commerce Platform Modernization

The initiative focused on rebuilding a legacy online shopping system into a cloud-native, microservices-driven platform to support millions of users, real-time inventory updates, and secure transactions. I contributed by developing Spring Boot microservices, ReactJS frontends, and Kafka/Flink pipelines, while automating CI/CD on AWS to ensure scalability, high availability, and faster feature delivery.

Role: Full Stack Java Developer

Actively involved in all phases of SDLC using Agile, participating in daily scrums, sprint planning, and regular production deployments for e-commerce features.

Developed scalable Spring Boot microservices and RESTful APIs with OAuth2/JWT security, Spring Data JPA for MySQL, and Spring Cloud Gateway for routing and load balancing.

Built dynamic, responsive UIs with ReactJS, HTML5, CSS3, Bootstrap, and JavaScript, while implementing asynchronous pipelines with Kafka and Flink for order and inventory processing.

Applied strong testing practices using JUnit, Mockito, Jest, Mocha, Postman, Swagger, and Cucumber, ensuring high coverage and regression-free releases.

Automated CI/CD pipelines in Jenkins, containerized services with Docker, deployed to AWS (EC2, S3, CloudWatch), and maintained code quality with SonarQube and peer reviews in Git.

Contributed to core modules like product catalog, shopping cart, and checkout, delivering modular microservices and micro frontends aligned with enterprise e-commerce goals.

Environment & Tools: Java 11/17, Spring Boot, Spring Security, Spring Data JPA, Spring Cloud Gateway, MySQL, Kafka, Flink, ReactJS, HTML5, CSS3, Bootstrap, JavaScript, JUnit, Mockito, Jest, Mocha, Cucumber.

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