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Full-stack Java developer with 6+ years of experience delivering secure, high-performance enterprise web applications and microservices using Java/J2EE, Spring Boot, and cloud-native architectures. Experienced in building responsive SPAs with React/Angular and integrating REST/SOAP services. Strong background in TDD, Agile delivery, database design and optimization (Oracle/PostgreSQL/Cassandra/MongoDB), and CI/CD with Jenkins, Docker, and Kubernetes on AWS. Experienced in implementing security (RBAC, OAuth/JWT, MFA) and building event-driven systems with Kafka/JMS for real-time, compliant transactions.…Full-stack Java developer with 6+ years of experience delivering secure, high-performance enterprise web applications and microservices using Java/J2EE, Spring Boot, and cloud-native architectures. Experienced in building responsive SPAs with React/Angular and integrating REST/SOAP services. Strong background in TDD, Agile delivery, database design and optimization (Oracle/PostgreSQL/Cassandra/MongoDB), and CI/CD with Jenkins, Docker, and Kubernetes on AWS. Experienced in implementing security (RBAC, OAuth/JWT, MFA) and building event-driven systems with Kafka/JMS for real-time, compliant transactions.

Lakshmi Divija Penmetsa

Full Stack Developer, Back-End Developer, Web Developer, +2

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Full-stack Java developer with 6+ years of experience delivering secure, high-performance enterprise web applications and microservices using Java/J2EE, Spring Boot, and cloud-native architectures. Experienced in building responsive SPAs with React/Angular and integrating REST/SOAP services. Strong background in TDD, Agile delivery, database design and optimization (Oracle/PostgreSQL/Cassandra/MongoDB), and CI/CD with Jenkins, Docker, and Kubernetes on AWS. Experienced in implementing security (RBAC, OAuth/JWT, MFA) and building event-driven systems with Kafka/JMS for real-time, compliant transactions.…Full-stack Java developer with 6+ years of experience delivering secure, high-performance enterprise web applications and microservices using Java/J2EE, Spring Boot, and cloud-native architectures. Experienced in building responsive SPAs with React/Angular and integrating REST/SOAP services. Strong background in TDD, Agile delivery, database design and optimization (Oracle/PostgreSQL/Cassandra/MongoDB), and CI/CD with Jenkins, Docker, and Kubernetes on AWS. Experienced in implementing security (RBAC, OAuth/JWT, MFA) and building event-driven systems with Kafka/JMS for real-time, compliant transactions.

Available to hire

Full-stack Java developer with 6+ years of experience delivering secure, high-performance enterprise web applications and microservices using Java/J2EE, Spring Boot, and cloud-native architectures. Experienced in building responsive SPAs with React/Angular and integrating REST/SOAP services.

Strong background in TDD, Agile delivery, database design and optimization (Oracle/PostgreSQL/Cassandra/MongoDB), and CI/CD with Jenkins, Docker, and Kubernetes on AWS. Experienced in implementing security (RBAC, OAuth/JWT, MFA) and building event-driven systems with Kafka/JMS for real-time, compliant transactions.

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Intermediate

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Work Experience

Senior Developer III at Pollard Banknote, MB

December 1, 2024 - Present

Developed and maintained secure, high-performance online lottery gaming platforms supporting real-time ticket purchases, draw processing, prize validation, payment transactions, and responsible gaming features. Built scalable microservices and event-driven workflows using Java, Spring Boot, Kafka/JMS, and REST APIs to handle high-volume transactions with low latency and high availability. Implemented payment and digital wallet integrations with encryption, fraud prevention, monitoring, and compliance-focused security controls (RBAC, MFA, OAuth/JWT). Designed responsive web/mobile experiences using React.js, React Native, HTML5, CSS3, Bootstrap, and ES6+. Optimized database schemas and queries to improve throughput and integrity. Containerized services with Docker and deployed on AWS using Kubernetes, with CI/CD pipelines ensuring regulated-gaming requirements. Added monitoring, logging, health checks, and performance/load testing; investigated production issues with RCA and preventive

Full Stack Developer at Trapeze Group, Mississauga, ON

March 1, 2023 - November 30, 2024

Worked on an enterprise transportation management platform including fleet management, scheduling, real-time transit operations, and passenger information systems. Built microservices using Java/Spring Boot and Node.js, and developed responsive UIs with React and Angular. Integrated RESTful and SOAP services; implemented real-time data processing/analytics using Kafka and Cassandra/streaming pipelines. Deployed and managed services on AWS using Docker, Kubernetes, and Jenkins-based CI/CD while implementing security with Spring Security and OAuth. Contributed across SDLC using Agile/Scrum, Hibernate/JPA for data access, and SQL/PLSQL/Stored Procedures for database logic. Developed SPAs using HTML5/CSS3/Bootstrap/JavaScript and frameworks; supported virtualization and multi-tier AWS infrastructure (EC2, CloudFormation, autoscaling/load balancer scripting).

Software Developer at OSI Digital, India

February 1, 2020 - January 31, 2023

Contributed to enterprise workforce management and payroll systems and other business applications. Built responsive front-end components and integrated them with backend APIs for onboarding, profile management, payroll workflows, client management, dashboards, and role-based access control. Developed microservices using Spring Boot REST APIs and integrated messaging/analytics components using Kafka/RabbitMQ and Oracle-related technologies. Implemented data persistence with Hibernate (Oracle) and developed database objects including SQL/PLSQL, triggers, functions, and views. Built single-page applications using React/Redux/Express/Node and also Angular-based SPAs; created REST endpoints and integrated controllers; wrote unit tests using JUnit/Mockito. Performed CI/CD integrations with Jenkins, automated build/deploy with Maven, and managed versioning with Git/SVN. Also developed inventory/order modules using Spring MVC/Boot, JMS in WebSphere, and RESTful APIs; used Maven scripts and TD