Senior Java Full-Stack Engineer with Cloud & Microservices

Prajakta Chandrakant

*************@*****.*** Linkedin +1-551-***-**** California

SUMMARY

Full-Stack Java Developer with 6+ years of experience designing, developing, and scaling enterprise-grade backend and distributed systems across banking, healthcare, and retail domains. Specialized in Java, Spring Boot, microservices, and cloud-native architectures, with strong expertise in RESTful API design, data persistence, and event-driven, high-availability systems. Proficient in modern front-end frameworks, and experienced in building end-to-end solutions using AWS, GCP, Docker, and CI/CD pipelines. Proven collaborator in Agile environments with a strong focus on performance, reliability, security, and user-centric application delivery.

TECHNICAL SKILLS

• Backend Technologies: Java (8-17), J2EE, Spring Boot, Spring Cloud, Spring IOC, Spring Batch, MVC, JDBC, Microservices, REST/SOAP, Kafka, GraphQL, Kotlin, Multi-threading, Maven, Servlets, JSP, ETL, COBOL, Snowflake.

• Web Technologies: ReactJS, Angular (2+), Redux, JavaScript (ES6+), TypeScript, HTML5, CSS3, Bootstrap

• Databases: MySQL, Oracle 11g, PostgreSQL, MongoDB, Neo4J, Cassandra.

• Cloud Tech: AWS (EC2, S3, Lambda, API Gateway, CloudWatch), GCP (Cloud SQL, Compute, Pub, Sub), Azure, Docker, Jenkins, Snowflake, GitHub Actions, Gen AI, CI/CD

• ORM & Persistence: Hibernate, JPA, Spring Data JPA

• Testing Tools: JUnit, Mockito, Postman, Log4J, SonarQube, ServiceNow, Gradle

• Other Tools: IntelliJ, Eclipse, Visual Studio Code, Jira, Git, Bitbucket

• Methodologies: Agile Scrum, Waterfall, Kanban, SDLC PROFESSIONAL EXPERIENCE

HCL – Deutsche Bank, CA June 2023 – Present

Role: Software Developer

• Developed REST APIs and modular services using Spring Boot and Kotlin for financial transaction systems requiring high reliability and scalability.

• Extensively developed controllers, Interfaces and implementation classes using Apache kafka, Spring MVC framework.

• Designed and Developed SOAP, REST based Web Services to integrate with other business partners in order to exchange the data and implement request and response objects.

• Optimized Angular component based MVC framework for authoring complex decorators, services, components, and pipes, working with animations, routing, and states.

• Redesigned and enhanced the risk rating engine, improving functionality, resolving vulnerabilities, and decommissioning outdated versions using Spring Boot, and Jenkins, increasing the engine's accuracy by 20%.

• Built and enhanced KYC onboarding microservices using Java 17 and Spring Boot, supporting corporate client verification workflows and cutting manual onboarding touchpoints by 60%.

• Increased data consistency and audit accuracy by 30% by implementing Spring Data JPA auditing, transactional boundaries, and ORM optimizations.

• Configured Gradle builds pipelines and integrated Kotlin backends into CI/CD workflows using Jenkins, GitHub.

• Built an internal GenAI powered knowledge search tool to query REST API documentation, onboarding guides, and service runbooks, improving developer onboarding speed and operational efficiency.

• Applied API Gateway patterns to centralize authentication, routing, and request validation for backend microservices.

• Integrated JWT based authorization with Spring Boot to secure REST APIs and internal service-to-service communication.

• Developed RESTful APIs to support secure order processing workflows, integrating Apache Kafka for event-driven messaging and validating end-to-end functionality using Selenium and Cypress. Infosys - CVS Health, CT Dec 2022 – May 2023

Role: Software Developer

• Designed and implemented microservices using Java Spring Boot, handling secure session creation, validation, and token-based authentication using Cassandra for session persistence.

• Implemented dynamic JSP pages using JSTL, custom tags, and EL expressions to render server-side data efficiently within MVC-based web applications.

• Configured Docker containers and Jenkins pipelines to support CI/CD, reducing deployment efforts.

• Improved ETL job reliability by 40% by optimizing batch processing, indexing source tables, and implementing failure recovery mechanisms.

• Designed and optimized SQL queries, procedures, triggers in Oracle databases to support complex data operations.

• Implemented application by JSF Framework based on MVC Architecture, simple Java Beans as a model, JSP, JSF, selenium, CI/CD Prime Faces components as View and Faces Servlet as a Controller.

• Implemented OAuth2-based authentication with JWT tokens to enable secure, stateless access across backend microservices.

• Performed JVM performance tuning using garbage collection analysis, heap and thread dump diagnostics, and profiling tools to improve application stability and memory utilization.

• Configured and optimized AWS Auto Scaling infrastructure using custom AMIs and Launch Configurations, deploying scalable solutions across EC2, S3, RDS, DynamoDB, and Elastic Load Balancing.

• Applied Java 8 streams and lambdas to simplify data processing and improve code readability.

• Decreased regression defects by 32% by expanding automated unit and BDD test coverage using JUnit and Cucumber.

• Engineered and executed JPQL and Criteria API queries to support dynamic search, pagination, and transactional consistency across high-volume enterprise systems.

• Standardized Maven builds configurations and dependency management across multi-module projects, reducing build failures and improving CI/CD reliability.

Mount Sinai, NY Feb 2022 – Sep 2022

Role: Software Developer

• Delivered features across the full SDLC from design and implementation to testing and production deployment in Agile Scrum environments.

• Built AngularJS SPAs with responsive design and template-driven validations to enhance patient portal usability.

• Improved patient portal response time by 30% by optimizing AngularJS components and backend Hibernate queries.

• Integrated Spring with Hibernate to fetch data for Product Searches, quotes and Account Information for registered users.

• Involved in Core Java coding by using Java APIs such as Collections, Multithreading, Exception Handling, Generics, Enumeration, and Java I/O to fulfill the implementation of business logic.

• Engineered and implemented ETL pipelines to extract data from relational and NoSQL sources, transform business-specific logic, and load data into analytical and operational systems.

• Increased data ingestion throughput by 50% by optimizing Spring Batch and ETL workflows for healthcare data processing.

• Resolved dependency conflicts and versioning issues by leveraging Maven scopes, exclusions, and dependency hierarchies.

• Applied Spring Batch and scheduling for background data ingestion, snowflake and automated notification jobs.

• Monitored and optimized ETL performance by tuning queries, indexing source tables, and handling failure recovery and logging for reliable data ingestion.

• Managed multi-module Maven projects, configuring POM files for dependency management, plugin configuration, and environment-specific build profiles.

• Created SOAP, REST services for medical record sharing across departments, ensuring standardized data exchange. DXC Technology, India Jan 2017 – Jan 2020

Role: Software Developer

• Used various Core Java concepts such as Exception Handling, Collection, APIs to implement features enhancements.

• Developed prototypes and applications using the MEAN stack (MongoDB, Express, Angular, Node.js) for web-based solutions.

• Designed REST APIs for integrating with external vendor platforms, streamlining data exchange.

• Created Angular and Bootstrap interfaces with responsive layouts for client applications.

• Built and optimized MongoDB intake storage module to log incoming requests and responses, supporting real-time monitoring, auditability, and lifecycle error visibility.

• Created Single Page Applications (SPA) that load a single HTML page using React, AngularJS and AJAX to generate continuous and responsive Web apps, without page reloads, thus dynamically updating that page as customers’ side interacts with the app.

• Automated build, test, and packaging processes using Maven goals integrated with CI/CD pipelines, ensuring consistent and repeatable deployments

• Built enterprise applications using Spring MVC integrated with Hibernate ORM for customer management and accounting services.

• Designed and executed SQL queries and procedures in Oracle databases to manage transaction-heavy workflows. EDUCATION

• Masters in computer science – Pace University, New York 2021

• Bachelors in Electronics s Telecommunications – Mumbai University, India 2014

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