Java Developer Stack

Abhishek Lama

Full Stack Java Developer Dallas, TX 682-***-**** ***************@*****.*** linkedin.com/in/abhisheklama/ github.com/lamaabhishek

SUMMARY

Highly skilled Full Stack Java Developer with 6 years of experience in designing, developing, and deploying scalable enterprise applications across finance, telecom, and healthcare domains. Proficient in Java 8–17, Spring Boot, Hibernate, Microservices, RESTful APIs, and front-end frameworks (React, Angular) with a strong focus on building high-performance, secure, and user-centric solutions. Experienced in cloud platforms (AWS, Azure), CI/CD pipelines (Jenkins, Azure DevOps, Git, Docker, Kubernetes), and database management (Oracle, MySQL, Azure SQL, Redis). Adept at implementing DevOps practices, monitoring tools (Splunk, CloudWatch, Application Insights), and ensuring code quality through JUnit, Mockito, Selenium, SonarQube, and OWASP standards. Collaborative team player with expertise in Agile/Scrum methodologies, delivering projects within deadlines while driving innovation and efficiency.

TECHNICAL SKILLS

Programming Languages

Java (8–17), SQL, JavaScript, TypeScript

Frameworks & Technologies

Spring Boot, Spring MVC, Hibernate, JPA, RESTful APIs, Microservices, Angular, React

Web Technologies

HTML5, CSS3, Bootstrap, JSON, AJAX

Cloud Platforms

AWS (EC2, CloudWatch), Azure (App Services, Key Vault, API Management, SQL Database, Application Insights)

Databases

Oracle, MySQL, Azure SQL, Redis

DevOps & CI/CD Tools

Jenkins, Git, GitHub, Azure DevOps, Docker, Kubernetes, Nexus

Testing & Quality Tools

JUnit, Mockito, Selenium, Postman, Newman, SonarQube, OWASP Dependency Check

Monitoring & Logging

Splunk, ELK Stack, AWS CloudWatch, Azure Monitor, Application Insights Version

Control & Collaboration

GitFlow, Agile/Scrum, Jira, Confluence

Other Tools

Swagger/OpenAPI (API Documentation), Maven, Gradle

EDUCATION

Bachelor of Science Information Systems The University of Texas at Arlington

CERTIFICATIONS

Oracle Certified Professional, Java SE 11 Developer

AWS Certified Cloud Practitioner

Google Cybersecurity Coursera

EXPERIENCE

Full Stack Java Developer Comcast New York, NY Dec 2023 – Present

Responsibilities:

Designed and developed scalable microservices using Spring Boot, following domain-driven design and event-driven communication with REST APIs.

Built responsive UI components in Angular with reusable services, observables, and state management, improving customer experience for retail inventory and billing.

Integrated backend services with MySQL and Oracle databases, writing optimized SQL queries, stored procedures, and indexes for high-volume transaction systems.

Implemented API security using Spring Security with OAuth2 and JWT authentication for secure customer data handling.

Automated CI/CD pipelines with Jenkins and Docker, streamlining deployments across environments and reducing manual errors by 40%.

Deployed applications on Kubernetes clusters, ensuring scalability, fault tolerance, and rolling updates with zero downtime.

Performed unit testing and integration testing using JUnit, Mockito, and Postman to ensure the reliability of microservices.

Leveraged Git branching strategies (GitFlow) for version control and collaborated via code reviews and pull requests.

Participated in Agile ceremonies (scrum, sprint planning, retrospectives) and contributed to backlog refinement with product owners.

Used SonarQube for code quality and Splunk/ELK stack for log monitoring, ensuring production-grade maintainability and observability.

Environment: Java, Spring Boot, Angular, REST APIs, MySQL, Oracle, OAuth2, JWT, Docker, Kubernetes, Jenkins, Git, SonarQube, ELK/Splunk, Agile

Java Backend Developer American Express New York, NY May 2021 – Nov 2023

Responsibilities:

Migrated a monolithic payment and account management system to a microservices architecture using Spring Boot and Hibernate.

Designed and developed REST APIs for payment processing, account updates, billing, and transaction history retrieval.

Integrated Azure Key Vault for secret management, ensuring PCI-DSS compliance and secure storage of sensitive credentials.

Deployed applications on Azure App Services with Azure SQL database, implementing indexing and partitioning to support millions of transactions.

Implemented ORM with Spring Data JPA and Hibernate, managing entity relationships and optimizing queries for large-scale financial data.

Configured API Gateway and load balancing using Azure API Management to improve scalability, request throttling, and failover handling.

Conducted unit testing (JUnit), mocking (Mockito), and integration testing (Postman/Newman) to ensure high reliability of APIs.

Built CI/CD pipelines in Azure DevOps for automated builds, validations, and zero-downtime deployments.

Partnered with QA, product managers, and business analysts in Agile sprints, refining stories and ensuring compliance with acceptance criteria.

Used Azure Monitor and Application Insights for transaction monitoring, anomaly detection, and performance optimization.

Environment: Java, Spring Boot, Hibernate, REST APIs, Azure App Services, Azure SQL, Azure Key Vault, Azure API Management, JUnit, Mockito, Postman, Azure DevOps, Agile

Full Stack Java Developer United Health Group Dallas, TX Jan 2019 – Apr 2021

Responsibilities:

Led full-stack development of provider/member dashboards using React (UI) and Spring Boot (microservices).

Implemented authentication & authorization with JWT and RBAC via Spring Security.

Built CI/CD pipelines with Jenkins + GitHub for automated builds and deployments.

Deployed microservices on AWS EC2, containerized with Docker, and orchestrated using Kubernetes.

Created API documentation with Swagger/OpenAPI for internal/external integrations.

Integrated AWS CloudWatch + Azure Monitor for logging, monitoring, and alerting.

Conducted end-to-end testing with Selenium, JUnit, and integration testing tools.

Improved performance with Redis caching and Hibernate 2nd-level cache.

Participated in Agile sprints, collaborating with stakeholders to deliver incremental features.

Applied DevSecOps practices with SonarQube (code quality), Nexus (dependency management), and OWASP dependency checks (security).

Environment: Java, Spring Boot, React, REST APIs, JWT, Spring Security, AWS EC2, Docker, Kubernetes, Jenkins, GitHub, Swagger, Redis, Selenium, SonarQube, AWS CloudWatch, Azure Monitor, Agile

PROJECTS

- E-Commerce Platform: Developed an online store using Java Spring Boot (back-end) and Angular (front-end), with MySQL for product and order data. Implemented payment gateway integration and cart management.

- Employee Management System: Built a full-stack system for managing employee records using React, Spring Boot, and PostgreSQL, with authentication and role-based access.

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