Senior Java Full-Stack Engineer with 12+ Years Experience
Resume:
PRIYANKA V
*****************@*****.***
Professional Summary:
12+ years of experience in designing, developing, and deploying large-scale enterprise applications across banking, retail, healthcare, government, and HR domains.
Senior Java Full Stack Developer with 12+ years of experience developing and modernizing mission-critical enterprise applications across banking, retail, healthcare, government, and HR platforms, supporting millions of users and high-volume transactional systems
Deep expertise in Java (6–21), J2EE, Spring Boot, Spring Cloud, Spring MVC, Spring Security, Hibernate, JPA, JDBC, with proven success delivering scalable microservices and distributed systems in production environments.
Experienced in using Python for automation and data processing, and integrating curated datasets with Palantir Foundry for enterprise analytics and compliance reporting.
Architected and delivered cloud-native microservices platforms using Docker, Kubernetes (EKS, AKS, OpenShift), Helm, enabling high availability, fault tolerance, and rapid release cycles.
Designed and implemented high-performance RESTful and GraphQL APIs using Spring Boot and Swagger/OpenAPI 3.x, integrating seamlessly with core banking systems, retail platforms, healthcare systems, and third-party services.
Extensive hands-on experience building event-driven architectures using Apache Kafka, RabbitMQ, IBM MQ, AWS SNS/SQS, supporting real-time processing, settlement systems, inventory synchronization, and asynchronous workflows.
Strong experience developing backend services using Node.js and Express.js, modernizing legacy platforms and enabling API orchestration alongside Java microservices.
Delivered large-scale batch and streaming solutions using Spring Batch, Quartz Scheduler, Kafka Streams, handling high-volume ETL pipelines, financial settlements, healthcare claims, and real-time analytics.
Full-stack expertise with Angular (9–17), React.js 18, Vue.js 3, building highly responsive, mobile-ready enterprise UIs using TypeScript, JavaScript, HTML5, CSS3, Bootstrap, with focus on performance, accessibility, and usability.
Advanced database expertise across PostgreSQL, Oracle, MySQL, MongoDB, DynamoDB, Redis, Cassandra, with strong experience in schema design, indexing strategies, query optimization, and transactional performance tuning.
• Extensive cloud experience across AWS and Azure, deploying applications using EKS, ECS, EC2, Lambda, API Gateway, RDS, S3, DynamoDB, AKS, Functions, Key Vault, supporting secure, scalable, multi-environment deployments.
Strong DevOps and CI/CD leadership, designing and maintaining pipelines using Jenkins, GitHub Actions, GitLab CI/CD, Azure DevOps, enabling automated testing, quality gates, and zero-downtime deployments.
Proven expertise in Infrastructure as Code using Terraform, Ansible, AWS CloudFormation, ensuring consistent, compliant, and repeatable environments across development, QA, and production.
Security-focused engineer with deep experience implementing Spring Security, OAuth 2.0, JWT, SAML, SSO, secrets management, encryption, and secure coding practices aligned with PCI-DSS, HIPAA, SOX, and GDPR.
Implemented enterprise-grade observability and monitoring using Prometheus, Grafana, ELK Stack, Datadog, CloudWatch, OpenTelemetry, AWS X-Ray, significantly improving system reliability and MTTR.
Performance-driven engineer with hands-on experience in API optimization, caching strategies (Redis), connection pooling, and load testing using JMeter and Gatling, supporting peak traffic and large user bases.
Strong leadership and collaboration skills, mentoring developers, conducting architectural and code reviews, enforcing SOLID principles and clean code standards, and working closely with product, QA, and cloud teams in Agile/Scrum environments.
Worked closely with front-office stakeholders, operations teams, and business users to support time-critical trading and post-trade workflows.
Recognized for consistently delivering secure, scalable, and high-impact enterprise solutions that drive business outcomes, platform modernization, and long-term system stability.
Certifications:
Certified Kubernetes administrator
AWS Certified Solutions Architect – Associate
Technical Skills:
Programming Languages
Java (6, 7, 8, 11, 15, 17, 21), J2EE, Python, Kotlin, Scala, Groovy, TypeScript, JavaScript (ES6+), Bash/Shell Scripting, CQL
Web & UI Technologies
HTML5, CSS3, Bootstrap, JSP, JSF, XML, JSON, AJAX, Angular (9–17), React.js 18, Redux, Vue.js 3, Node.js, Express.js
Frameworks & Libraries
Spring Boot (2.x, 3.x), Spring MVC, Spring Cloud (Eureka, Config Server, Gateway), Spring Security, Spring Data JPA, Spring Batch, Spring WebFlux, Hibernate, JPA, JDBC, Quartz Scheduler, Netflix OSS (Zuul, Hystrix), Vaadin
Databases
PostgreSQL (12–15), Oracle (11g, 12c, 19c), MySQL, MariaDB, MongoDB (5.x, 6.x), Cassandra, DynamoDB, Redis (6.x, 7.x), Neo4j, Amazon Aurora, HBase
Cloud Platforms & Services
AWS (EC2, ECS, EKS, Lambda, API Gateway, RDS, Aurora, S3, DynamoDB, Cognito, IAM, KMS, Secrets Manager, Step Functions, SNS, SQS, CloudWatch, CloudTrail),
Azure (AKS, Azure Functions, App Services, Azure SQL, Blob Storage, Key Vault, Azure DevOps),
GCP (Compute Engine, GKE, Cloud Storage – exposure), VMware
DevOps & CI/CD Tools
Docker (20.x–24.x), Kubernetes (1.20–1.27), OpenShift (4.x), Helm, Terraform (1.x), Ansible, AWS CloudFormation, ARM Templates, Jenkins (2.x), GitHub Actions, GitLab CI/CD, Azure Pipelines
Messaging & Event Streaming
Apache Kafka (2.6–3.x), Kafka Streams, RabbitMQ (3.x), ActiveMQ, IBM MQ, JMS, AWS SNS/SQS
Monitoring & Logging
Prometheus (2.x), Grafana (7.x–10.x), ELK Stack (Elasticsearch, Logstash, Kibana 7.x/8.x), Splunk, Datadog, AWS CloudWatch, Azure Monitor, Dynatrace, New Relic, Fluentd, OpenTelemetry, AWS X-Ray
Testing & Automation
JUnit 4/5, TestNG, Mockito, Selenium, Cypress, Playwright, Jest, Mocha, Chai, Protractor, Cucumber, ReadyAPI, Postman, Insomnia, JMeter, Gatling
Build & Version Control
Maven, Gradle, Ant, NPM, Yarn, Git, GitHub, GitLab, Bitbucket, SVN, RTC, JIRA, Confluence
API & Integration Tools & Security
REST, SOAP, GraphQL, Swagger/OpenAPI 3.x, MuleSoft, OAuth 2.0, JWT, SAML, Okta, AWS Secrets Manager, Azure Key Vault, HashiCorp Vault, SonarQube, Snyk, OWASP Top 10
Professional Experience:
Western Alliance Bank, Phoenix, AZ
Senior Java Full Stack Developer December 2023 - Present
Responsibilities:
Worked on an internal transaction management platform used by operations and compliance teams to manage transaction workflows, approvals, monitoring, exception handling, and reporting for high-volume financial applications.
Designed, developed, and maintained Java 17/21–based Spring Boot 3.x microservices using Spring Cloud, Spring Data JPA, Hibernate, and Spring Batch, supporting both real-time and batch-driven transaction processing.
Built and exposed RESTful APIs for transactional operations and GraphQL APIs for read-heavy dashboards, enabling flexible data retrieval for internal UIs and analytics consumers.
Implemented secure authentication and authorization using Spring Security, OAuth 2.0, JWT, and enterprise SSO (SAML / AWS Cognito integration), enforcing role-based access controls across all application layers.
Developed modern React 18 dashboards using TypeScript, Redux, Axios, and React Hooks (useState, useEffect, useCallback, useMemo) to provide real-time visibility into transaction lifecycle and operational metrics.
Supported and enhanced Angular 13+ workflow modules using Reactive Forms, RxJS Observables, services, interceptors, and route guards, enabling complex validations and approval-driven business workflows.
Designed and implemented event-driven architectures using Apache Kafka 3.x for transaction lifecycle events and RabbitMQ 3.x for workflow-oriented messaging such as approvals and notifications.
Built and maintained Kafka consumers in both Java and Python, ensuring reliable async processing, idempotent handling, and recovery from failure scenarios.
Worked with PostgreSQL 14/15 as the system of record for transactional data, along with Redis 6.x/7.x and Couchbase for caching and low-latency access patterns.
Developed Python 3.x–based microservices and utilities using Flask and FastAPI, along with Pandas and NumPy, to support analytics workflows, data validation, and downstream processing.
Integrated curated datasets and analytics pipelines using AWS S3, Kafka streams, and Palantir Foundry to support operational reporting and compliance use cases.
Deployed and operated applications on AWS using EC2, ECS, EKS, Lambda, API Gateway, RDS, DynamoDB, Step Functions, SNS, and SQS, supporting both synchronous APIs and asynchronous workflows.
Containerized applications using Docker and orchestrated deployments on Kubernetes (EKS) with Helm-based architecture, enabling scalable, resilient, and zero-downtime deployments.
Automated infrastructure provisioning and configuration using Terraform, AWS CloudFormation, and Ansible, ensuring consistent environments across development, QA, and production.
Designed and supported CI/CD pipelines using Jenkins, GitHub Actions, and GitLab CI/CD, integrating automated builds, testing, security scans, and quality gates via SonarQube.
Implemented comprehensive observability and monitoring using Prometheus, Grafana, ELK Stack, Datadog, OpenTelemetry, AWS CloudWatch, and AWS X-Ray to troubleshoot latency, throughput issues, and production incidents.
Conducted unit, integration, UI, and performance testing using JUnit 5, Mockito, Cypress, Jest, Postman, and JMeter, validating system behavior under heavy load.
Integrated secure AI chatbot workflows using Dialogflow and Rasa, exposing controlled read-only capabilities for ops users while enforcing all authorization and business rules at the backend.
Implemented ServiceNow REST API integrations to automatically create and update incidents for transaction failures, SLA breaches, and processing delays, improving operational response times.
Integrated backend services with Jira APIs to automate defect tracking and link production incidents with correlation IDs, fixes, and deployment history.
Supported production operations under heavy transaction loads, diagnosing and resolving issues using correlation IDs, distributed tracing, log analysis, and controlled data remediation.
Ensured platform compliance with SOX, GDPR, and PCI-DSS requirements through secure data handling, audit logging, encryption, and access controls.
Collaborated with cross-functional teams including product owners, QA, DevOps, security, and operations in an Agile/Scrum environment, delivering features end-to-end.
Environment: Java 17/21, Spring Boot 3.x, Spring Cloud, Spring Security, Spring Batch, Spring Data JPA, Hibernate, RESTful APIs, GraphQL, React.js 18, Angular 13+, TypeScript, JavaScript, HTML5, CSS3, Apache Kafka, RabbitMQ, PostgreSQL, Redis, Couchbase, Python 3.x, Flask, FastAPI, Pandas, NumPy, Kafka Consumers (Python), AWS (EC2, ECS, EKS, Lambda, API Gateway, RDS, S3, DynamoDB, Step Functions, SNS, SQS, Cognito, IAM, KMS, Secrets Manager, CloudWatch), Docker, Kubernetes, Helm, Terraform, AWS CloudFormation, Ansible, Jenkins, GitHub Actions, GitLab CI/CD, SonarQube, Prometheus, Grafana, ELK Stack, Datadog, OpenTelemetry, AWS X-Ray, JUnit 5, Mockito, Cypress, Jest, Postman, JMeter, Swagger/OpenAPI, OAuth 2.0, JWT, SSO/SAML, Jira, Confluence.
Macy’s, New York, NY
Senior Java Full Stack Developer September 2020 – December 2023
Responsibilities:
·Designed and developed enterprise-scale Order Management System (OMS) microservices supporting the complete order lifecycle, including order creation, validation, payment processing, fulfillment, shipment tracking, and returns management.
·Implemented cloud-native microservices deployed on AWS ECS and EKS, enabling scalable, resilient, and highly available retail platforms.
·Built and optimized RESTful and GraphQL APIs using Spring Boot and Swagger/OpenAPI 3.x, integrating with vendor systems, inventory platforms, promotions engines, and third-party retail services.
· Developed responsive, customer-facing and internal dashboards using Angular 9/13, React.js 17/18, Vue.js 3, TypeScript, JavaScript, HTML5, and CSS3, enabling real-time visibility into pricing, promotions, and inventory data.
·Designed and developed Node.js and Express.js backend services to support vendor onboarding, promotions workflows, and API orchestration across retail systems.
·Implemented event-driven architecture using Apache Kafka and RabbitMQ to enable real-time inventory synchronization, pricing updates, and order status events across distributed systems.
·Designed secure backend services handling payment and customer data in compliance with PCI-DSS and PII regulations, implementing encryption at rest and in transit.
·Integrated with payment gateways and third-party retail vendors ensuring secure transaction processing and audit traceability.
·Built and maintained Spring Batch jobs for large-scale retail data processing, nightly price updates, catalog synchronization, and reporting workflows.
·Used Python scripts and notebooks to analyze retail data trends and support pricing and promotions analytics.
·Built lightweight Python automation jobs to validate data feeds and monitor batch processing workflows.
·Automated infrastructure provisioning and configuration management using Terraform and Ansible, creating reusable modules for AWS services and reducing manual setup efforts.
·Containerized applications using Docker and orchestrated deployments with Kubernetes (EKS), ensuring high availability and fault tolerance during peak seasonal traffic.
·Optimized application performance through PostgreSQL query tuning, MongoDB aggregation optimization, Redis caching, and connection pooling, improving API response times under heavy loads.
·Designed and maintained CI/CD pipelines using Jenkins, GitHub Actions, and GitLab CI/CD, integrating automated builds, unit testing, SonarQube quality gates, and container deployments.
·Implemented feature flagging and gradual rollout strategies, enabling controlled releases and A/B testing of customer-facing retail features.
·Configured monitoring, logging, and observability using Prometheus, Grafana, ELK Stack, and Datadog, improving proactive detection and resolution of production issues.
·Conducted performance, load, and stress testing using JMeter and Gatling, validating scalability during high-demand sales events and holiday seasons.
·Collaborated closely with product managers, merchandising teams, QA engineers, and DevOps teams in an Agile/Scrum environment to deliver high-quality retail solutions.
·Mentored junior developers, conducted code reviews and technical walkthroughs, and enforced SOLID principles, design patterns, and clean coding standards.
Environment: Java 11/15, Spring Boot 2.7/3.x, Spring Security, Spring Data JPA, Hibernate, Spring Batch, RESTful APIs, GraphQL, React.js 17/18, Angular 9/13, Vue.js 3, TypeScript 4.x/5.x, JavaScript, HTML5, CSS3, Apache Kafka 2.8–3.x, RabbitMQ 3.x, PostgreSQL 14/15, MongoDB 6.x, Redis 6.x/7.x, AWS (EC2, ECS, EKS, Lambda, RDS, S3, DynamoDB, API Gateway, SNS, SQS, Step Functions, Cognito, IAM, Secrets Manager, CloudWatch), Docker 20.x/24.x, Kubernetes 1.25–1.27, Terraform 1.x, Ansible, Jenkins 2.x, GitHub Actions, GitLab CI/CD, SonarQube 9.x, Prometheus 2.x, Grafana 9.x/10.x, ELK Stack 7.x/8.x, Datadog, JUnit 5, Mockito, Cypress, Jest, JMeter, Swagger/OpenAPI 3.x, OAuth 2.0, JIRA, Confluence.
First Bank, Dallas USA
Java Full Stack Developer August 2018 – September 2020
Responsibilities:
·Designed, developed, and maintained core banking and customer onboarding applications using Java 8/11, Spring Boot 2.x, Spring MVC, and microservices architecture, supporting secure and high-volume financial transactions.
· Built and optimized RESTful APIs using Spring Boot and Swagger/OpenAPI, integrating with loan processing systems, KYC platforms, compliance engines, and third-party banking services.
· Implemented enterprise-grade security using Spring Security, OAuth 2.0, JWT, and role-based access control to meet banking regulatory and compliance requirements.
· Designed and implemented event-driven workflows using Apache Kafka and RabbitMQ to enable asynchronous processing for account updates, transaction notifications, and audit events.
·Developed Spring Batch jobs for nightly settlements, end-of-day reconciliations, statement generation, and regulatory reporting workflows.
·Built responsive user interfaces using Angular, TypeScript, JavaScript, HTML5, and CSS3 for internal banking users and operations teams.
·Optimized database performance through PostgreSQL and Oracle query tuning, indexing strategies, and connection pooling, improving transaction throughput and system reliability.
·Deployed applications on AWS EC2 and RDS, ensuring secure configurations, high availability, and disaster recovery readiness.
·Automated build and deployment pipelines using Jenkins, integrating unit tests, code quality checks, and artifact management.
·Implemented logging and monitoring solutions to support production support, troubleshooting, and audit requirements.
·Conducted unit and integration testing using JUnit and Mockito, improving code coverage and release stability.
·Collaborated closely with product owners, QA teams, and business analysts in an Agile/Scrum environment to deliver iterative banking features on schedule.
·Participated in code reviews and design discussions, contributing to architectural decisions and best practices.
·Supported production releases and post-deployment validations, ensuring minimal downtime and rapid issue resolution.
·Ensured adherence to secure coding standards and banking compliance guidelines across all application components.
Environment: Java 8/11, Spring Boot 2.x, Spring MVC, Spring Security, Spring Batch, Spring Data JPA, Hibernate, RESTful APIs, Angular, TypeScript, JavaScript, HTML5, CSS3, Apache Kafka, RabbitMQ, PostgreSQL, Oracle, AWS (EC2, RDS, S3, IAM, CloudWatch), Jenkins, Docker, Maven, Git, JUnit, Mockito, Swagger/OpenAPI, OAuth 2.0, JIRA, Confluence.
Walgreens Boots Alliance, Deerfield, IL
Java Full Stack Developer June 2016 – August 2018
Designed, developed, and enhanced enterprise healthcare and pharmacy applications using Java 8, Spring MVC, Spring Boot, Hibernate, and J2EE architecture, supporting prescription processing and clinical workflows.
Built and optimized RESTful APIs to support pharmacy, eligibility, claims, and member services workflows, enabling secure integration with internal and external healthcare systems.
Implemented HIPAA-compliant security controls using Spring Security, OAuth 2.0, and role-based access control (RBAC) to protect sensitive PHI and PII data.
Developed responsive web interfaces using Angular, JavaScript, TypeScript, HTML5, CSS3, and Bootstrap for pharmacists, clinicians, and internal operations teams.
Designed and implemented event-driven and message-based integrations using Apache Kafka, JMS, and messaging queues, enabling asynchronous processing of pharmacy and healthcare events.
Built and maintained batch processing jobs using Spring Batch and Quartz Scheduler for prescription fulfillment, claims reconciliation, and reporting workflows.
Optimized database performance through Oracle SQL tuning, indexing strategies, and stored procedure optimization, improving response times for high-volume pharmacy transactions.
Deployed applications on Apache Tomcat and WebLogic application servers, ensuring stability across development, QA, and production environments.
Automated build and deployment processes using Jenkins, Maven, and Ant, reducing manual deployment effort and improving release consistency.
Implemented centralized logging and monitoring using Log4j and Splunk, enabling faster troubleshooting and operational visibility.
Conducted unit and integration testing using JUnit, Mockito, and Selenium, improving application quality and reducing production defects.
Collaborated closely with QA teams, business analysts, and healthcare stakeholders in an Agile/Scrum environment to deliver compliant and reliable healthcare solutions.
Participated in code reviews and design discussions, contributing to application stability, scalability, and maintainability.
Supported production deployments and post-release activities, ensuring minimal downtime and rapid issue resolution.
Ensured strict adherence to healthcare regulatory standards and secure coding practices throughout the development lifecycle.
Environment: Java 8, J2EE, Spring MVC, Spring Boot, Spring Security, Hibernate, Spring Batch, RESTful APIs, Angular, TypeScript, JavaScript, HTML5, CSS3, Bootstrap, Apache Kafka, JMS, Oracle, Jenkins, Maven, Ant, Docker (early adoption), Apache Tomcat, WebLogic, Log4j, Splunk, JUnit, Mockito, Selenium, HIPAA Compliance, JIRA, Confluence.
State of Nebraska (Health & Wellness), Lincoln, NE
Java Developer Oct 2014 – May 2016
Responsibilities:
·.Designed, developed, and maintained state-wide healthcare and health & wellness applications using Java 8, Spring Boot, Spring MVC, Hibernate, and J2EE architecture, supporting Medicaid and public health programs.
· Built and integrated RESTful and SOAP web services for Medicaid, eligibility, enrollment, and benefits management systems, enabling secure inter-agency data exchange.
·Designed and implemented ETL and data ingestion pipelines using Java, Spring Batch, and Node.js, processing large volumes of healthcare data securely.
·Developed lightweight Node.js and Express.js services to handle eligibility checks, claims workflows, and data transformations.
·Implemented role-based access control and security policies using Spring Security, OAuth 2.0, and JWT, ensuring compliance with state and federal healthcare regulations.
·Built and scheduled Spring Batch and Quartz Scheduler jobs for nightly claims processing, benefits reconciliation, reporting, and data synchronization workflows.
·Integrated event-driven and message-based systems using Apache Kafka, RabbitMQ, and IBM MQ, enabling asynchronous communication between multiple state agencies.
· Designed and optimized PostgreSQL, Oracle, DynamoDB, and MongoDB schemas, improving performance for large-scale Medicaid and public health datasets.
·Developed responsive user interfaces using Angular, React, TypeScript, JavaScript, HTML5, and CSS3 for state employees and healthcare providers.
·Deployed applications on AWS cloud infrastructure using EC2, S3, Lambda, RDS, API Gateway, and Step Functions, supporting hybrid cloud adoption.
·Automated infrastructure provisioning and environment setup using Terraform and Ansible, ensuring consistent and compliant deployments.
·Implemented monitoring and observability using Datadog, Grafana, and AWS CloudWatch, improving visibility into system health and performance.
·Conducted unit and integration testing using JUnit, Mockito, Cucumber, and Cypress, ensuring stable and regression-free releases.
·Applied data masking, encryption, and PHI/PII protection techniques to meet HIPAA and state compliance requirements.
• Collaborated closely with state officials, healthcare providers, QA teams, and business analysts in an Agile/Scrum environment to deliver regulatory-compliant solutions.
·Created API documentation using Swagger/OpenAPI, simplifying onboarding for internal teams and third-party vendors.
Environment: Java 8, J2EE, Spring Boot, Spring MVC, Spring Batch, Hibernate, JPA, Spring Security, RESTful APIs, SOAP APIs, Angular, React, TypeScript, JavaScript, HTML5, CSS3, PostgreSQL, Oracle, DynamoDB, MongoDB, Apache Kafka, RabbitMQ, IBM MQ, AWS (EC2, S3, Lambda, RDS, API Gateway, Step Functions, IAM, Secrets Manager, CloudWatch), Terraform, Ansible, Jenkins, Datadog, Grafana, Quartz Scheduler, OAuth 2.0, HIPAA, Medicaid Compliance, JIRA, Confluenc
Workday, Pleasanton, CA
Java Developer Apr 2013 – Oct 2014
Responsibilities:
·Developed and enhanced enterprise HR and financial management modules using Java and Spring Framework, supporting payroll, reporting, and employee data workflows.
·Built backend services and business logic using Spring MVC, Hibernate, and JDBC, ensuring scalability and maintainability.
·Migrated legacy components to Spring-based architecture, reducing technical debt and improving application stability.
·Designed and optimized Oracle and MySQL database queries, improving performance of reporting and transactional modules.
·Implemented RESTful APIs for internal system integrations.
·Participated in Agile/Scrum development, collaborating with cross-functional teams.
·Performed unit testing and code reviews to ensure code quality and adherence to standards.
·Assisted with build and deployment activities using Maven and Jenkins.
Environment: Java 6/7, Spring Framework, Spring MVC, Hibernate, RESTful APIs, Oracle, MySQL, Maven, Jenkins, Git, Apache Tomcat, WebLogic, JUnit, Agile/Scrum, JIRA.
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