Stack Developer Java

AVANTIKA SINGH

Senior Full Stack Java Developer

*********.*******@*****.*** 331-***-****

SUMMARY

Full Stack Developer with 8 years of experience delivering scalable enterprise applications in healthcare, automotive, and compliance domains. Skilled in backend microservices, frontend frameworks, and cloud-native deployments, with a track record of improving system performance and usability.

Developed Java Spring Boot microservices and REST APIs with PostgreSQL and Oracle, improving response times by up to 40% for high-traffic applications.

Built responsive UIs using Angular, React, JavaScript, and TypeScript, enhancing usability and reducing page load times by 30%.

Deployed containerized apps on Docker & Kubernetes across AWS, GCP, Azure, and OpenShift; implemented CI/CD pipelines with Jenkins & GitHub Actions, cutting release cycles by 40%.

Ensured high-quality releases with JUnit, Cypress, and Postman, reducing production bugs by 25%.

Collaborated with 10+ cross-functional Agile teams, delivering secure and scalable solutions while maintaining 99.9% production uptime.

Monitored and optimized system performance using Dynatrace and Splunk, improving throughput for enterprise workloads.

Led migration from monolithic systems to microservices, incorporating event-driven messaging (Kafka) and modular frontend architectures for flexibility and scalability.

Worked across multiple cloud platforms and SaaS/PaaS solutions, integrating ETL pipelines while ensuring compliance with enterprise security standards.

Managed version control with Git and worked in IDEs like VS Code, IntelliJ, Eclipse, Visual Studio, supporting seamless team collaboration.

SKILLS

Programming & Backend Development

Java (J2SE 8+, J2EE 7/6), JDBC, RMI, EJB 3.0, Hibernate 3.x, Spring Framework (Spring MVC, Spring Boot, Spring Security, Spring Data, Spring Cloud), Microservices Architecture, SOA, JMS, RXJava, Apache Camel

Web & Frontend Development

HTML5, CSS3/SCSS, JavaScript (ES6+), TypeScript, React.js, Angular 2+ (versions 4–9), Node.js, jQuery, Bootstrap, AJAX, JSON, XML, XSL, XSLT

Databases & Data Management

Oracle 11g/10g, PostgreSQL, MS SQL Server, MySQL, DB2, MongoDB, SQL, PL/SQL, UML 2.0, stored procedures, query optimization

Cloud Platforms & DevOps

AWS (EC2, S3, Lambda, SNS, SQS, CloudWatch), Azure, GCP, OpenShift, Jenkins, Maven, Docker, Kubernetes, Git, SVN, CVS, ANT, ClearCase

Testing & Automation

JUnit, TestNG, Selenium, Cucumber, Mockito, Protractor, Selenium WebDriver, Karma, TDD, Agile Scrum, Kanban

Messaging & Middleware

RabbitMQ, IBM MQ, Apache Kafka

Tools & Servers

Apache Tomcat, IBM WebSphere, WebLogic, SQL Developer, Eclipse IDE, Visual Studio Code, JIRA, IBM Rational ClearQuest

Other

LDAP-based authentication, Log4j, SLF4J, CI/CD pipelines, production support

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PROFESSIONAL EXPERIENCE

Sr. Full Stack Java Developer 04/2022 - Present

CVS (Illinois, Chicago)

Led migration of a legacy monolithic data portal to a microservices architecture on OpenShift/AWS, achieving 99.9% uptime and 25% reduction in infrastructure costs.

Refactored backend into Spring Boot microservices, containerized with Docker, and managed deployments via OpenShift and Kubernetes (namespaces, deployments, replicas, rolling updates/rollbacks).

Managed configurations, secrets, and scaling (manual & Horizontal Pod Autoscalers), monitored logs/metrics to ensure system reliability.

Developed automated testing pipelines; conducted API testing with Postman, and implemented JUnit and Cypress tests, reducing production issues.

Revamped frontend modules using Angular, improving load times and usability by 30%.

Configured CI/CD pipelines for seamless integration and deployment across environments.

Coordinated with 12+ cross-functional teams for smooth production rollout.

Leveraged AWS services: S3 for object storage, EC2/OpenShift for hosting, and RDS/PostgreSQL for databases; integrated S3 via AWS SDK for efficient file management.

Optimized PostgreSQL scripts by analyzing slow queries, removing unnecessary joins, and adding indexes, reducing query execution time by 40% and improving maintainability.

Java Full stack developer 11/2021 - 03/2022

Ford (Dearborn, MI)

Led development of a microservices platform to manage and analyze real-time connected vehicle telemetry, replacing a legacy batch system with an event-driven architecture.

Built Java/Spring Boot REST APIs to ingest and query telemetry, driver behavior, and diagnostics data from millions of vehicles.

Implemented Kafka-based event streaming for high-throughput sensor and IoT data, enabling near real-time analytics and predictive maintenance alerts.

Designed a modern Angular/TypeScript dashboard for engineers and analysts to monitor fleet performance, driver safety, and predictive service needs.

Optimized PostgreSQL and Oracle queries, reducing response times for analytics workloads by 35%.

Deployed microservices on Kubernetes (AKS) with CI/CD pipelines (Jenkins + GitHub Actions), supporting blue-green deployments and zero downtime releases..

Java developer 04/2019 - 10/2021

Molina Health Care (Long Beach, CA)

Developed and maintained a Java Spring Boot backend and Angular/TypeScript frontend portal to manage Medicare and Medicaid members, including enrollment, eligibility checks, and claims processing.

Built REST APIs to handle core business logic, integrating with state and CMS systems to ensure accurate eligibility verification.

Designed agent/provider workflows for member search, eligibility checks, and claim status tracking, improving operational efficiency and user experience.

Deployed applications in Kubernetes containers, leveraging auto-scaling to handle peak eligibility-check loads at the start of each month.

Implemented blue-green and canary deployments for safe, minimal-downtime updates in production.

Worked in an Agile environment with two-week sprints, translating user stories into tested APIs and UI features.

Ensured HIPAA-compliant handling of sensitive healthcare data, balancing compliance, scalability, and usability.

Java/J2EE Developer 04/2017 - 03/2019

Mesa Laboratories Inc (Lakewood, CO)

Developed a secure Angular/TypeScript portal for lab technicians to track calibration history, generate audit reports, and receive real-time alerts for non-compliant readings.

Integrated REST APIs with external Laboratory Information Systems (LIMS) to synchronize calibration records and validation certificates.

Optimized PostgreSQL queries for transactional and time-series data, improving report generation speed by 30%.

Containerized services with Docker and deployed on Kubernetes (GCP), enabling high availability and auto-scaling for large data workloads.

Configured CI/CD pipelines (Jenkins, GitHub Actions) for automated builds, testing (JUnit, Cypress), and deployments, reducing release cycle time by 40%.

Collaborated with QA, compliance officers, and cross-functional teams to ensure alignment with FDA and ISO regulatory standards.

EDUCATION

Masters in computer management

Pune University, 06/2005

Bachelors in management science

Davv, 06/2001

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