Available to hire
I am a Sr. Java Full Stack Developer with 6+ years of experience delivering scalable enterprise applications using Java/J2EE, Spring, Hibernate, and RESTful services. I design robust back-end architectures and responsive front-ends, leveraging React/Angular, microservices, and cloud platforms (AWS/Azure) to empower business growth.
I thrive in Agile environments, collaborate with cross-functional teams, and enjoy tackling complex problems with clean code, comprehensive testing, and automated deployments. I am passionate about learning new technologies and applying best practices in security, performance, and DevOps to deliver high-quality software.
Experience Level
Expert
Expert
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Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Language
English
Fluent
Hindi
Intermediate
Javanese
Fluent
Work Experience
Sr. Java Full Stack Developer at Loblaws, Toronto
September 1, 2024 - June 13, 2024Built robust RESTful APIs and microservices using Spring Boot and related technologies, implementing secure authentication and asynchronous services with sub-50ms response times. Developed SPAs using React.js and TypeScript, integrated third-party APIs, and maintained APIs using Swagger and Jersey. Worked with Apache Kafka and Apache Storm for real-time data processing. Migrated core services to Golang microservices and deployed applications on AWS EC2 with Docker. Utilized Kubernetes on Amazon EKS for microservices deployment with automated CI/CD pipelines and monitoring using Prometheus and Grafana. Developed batch jobs, refactored monolithic applications, and wrote unit/integration tests ensuring reliability and performance.
Java Full Stack Developer at Optus Infotech, India
September 1, 2018 - October 31, 2022Developed backend systems using Spring Boot, Spring MVC, and Hibernate; built microservices and RESTful APIs deployed on AWS and Azure. Integrated JAX-RS and Jersey, developed stored procedures, and optimized SQL queries. Created dynamic UIs with React.js, Angular, and JSP; containerized applications using Docker and Kubernetes (EKS/AKS). Automated CI/CD pipelines using Jenkins and Git, managed Kubernetes configurations and monitoring, integrated Elastic Path APIs, and applied Red Hat Decision Manager for business rules. Followed TDD and automated API testing with SoapUI and Postman. Actively collaborated in Agile teams ensuring high-quality deliverables across full project lifecycles.
Java Developer at Mastercard, India
May 1, 2017 - August 31, 2018Worked in Agile/Scrum environments developing SPA front-ends with Angular and RESTful back-end services using Spring Boot and Hibernate. Managed Oracle DB migrations and REST API consumption, integrated Elastic Path APIs with Java and React.js. Conducted unit and regression testing using JUnit, TestNG, and Selenium. Deployed applications on AWS using EC2, IAM, S3, and other services, handling full-stack infrastructure and troubleshooting cloud environments. Leveraged Java 8 features for performance optimization and maintained code repositories using Git.
Sr. Java Full Stack Developer at Loblaws
September 1, 2024 - PresentLed development of robust RESTful APIs and microservices using Spring Boot, Hibernate, and PostgreSQL to support high-volume transactions. Automated data extraction, transformation, and validation processes with Python utilities. Developed asynchronous services with secure authentication using Spring Security ensuring sub-50ms response times. Created Single Page Applications with React.js and Node.js middleware. Used Apache Kafka and Storm for real-time data stream processing and migrated core services to Golang microservices to improve scalability. Implemented CI/CD pipelines using Jenkins and Docker, deploying microservices on AWS EKS Kubernetes clusters with monitoring via Prometheus and Grafana. Engaged daily with tools such as Git, Jira, and IDEs for agile development and production support.
Java Full Stack Developer at Optus Infotech, India
October 1, 2022 - August 4, 2025Developed backend systems and microservices with Spring Boot, integrating data science pipelines on Google Cloud Platform using Python and Apache Spark. Designed relational and JSONB schemas in PostgreSQL, optimizing queries and scheduling ETL processes. Built interactive front-end components with React.js and Angular, collaborating with backend APIs. Managed containerized deployments on Kubernetes clusters (EKS/AKS) integrated into CI/CD pipelines. Integrated business logic with Red Hat Decision Manager and automated testing using JUnit and Mockito. Responsible for full lifecycle project delivery applying Java 8 features and implementing supervised ML models with Python scikit-learn in production environments.
Java Developer at Mastercard, India
August 1, 2018 - August 4, 2025Contributed to agile development of Single Page Applications using Angular 4/6 and RESTful APIs built with Spring Boot and Hibernate. Developed and tested REST services with JSON, deployed applications on AWS cloud services, and automated testing with Selenium and JUnit. Managed code versioning with GIT and collaborated with cross-functional teams. Applied OOP principles, design patterns, and performance optimization techniques in Java code to support scalable financial solutions.
Sr. Java Full Stack Developer at Loblaws - Toronto
September 1, 2024 - PresentContributed expertise in building robust RESTful APIs and microservices using Spring Boot, Spring MVC, Spring ORM, Spring JDBC, Spring Security, Hibernate, and JPA. Developed Python utilities and ETL scripts for data extraction and transformation, supporting analytics with PostgreSQL. Automated log parsing and data validation tasks and built lightweight ML services APIs with Flask. Designed asynchronous services with optimized response times and developed Single Page Applications using React.js. Managed messaging with Apache Kafka and real-time stream processing using Apache Storm. Migrated core services to Golang for performance improvement. Developed CI/CD pipelines and deployed microservices on Kubernetes clusters with Amazon EKS, collaborating on version control, automated rollouts, and cluster monitoring. Implemented batch jobs using Spring Batch and refactored monolithic apps into modular microservices with comprehensive testing strategies. Utilized Scala and Apache Spark for lar
Java Full Stack Developer at Optus Infotech, India
October 1, 2022 - August 19, 2025Developed backend systems with Spring Boot ecosystem; built ML-ready pipelines using Python and GCP Dataflow. Designed and optimized PostgreSQL schemas and queries, integrated BI tools for dashboard visualization. Created RESTful microservices deployed via Docker and AWS EC2; containerized and orchestrated services on Kubernetes clusters (EKS/AKS). Developed front-end dynamic UIs using Angular, React.js, JSP, and PrimeFaces with asynchronous data interactions. Applied Red Hat Decision Manager for complex business logic. Led automated testing with JUnit and API validation via SoapUI and Postman. Engaged in full lifecycle project delivery and performance tuning with Java 8 features. Built real-time inference pipelines integrating Kafka, Python ML services, and PostgreSQL. Developed NLP proof-of-concept chatbots and reusable ML workflows deployed as REST APIs. Built distributed ETL pipelines with Scala and Apache Spark using functional programming paradigms and Akka actors for asynchronou
Java Developer at Mastercard, India
August 1, 2018 - August 19, 2025Worked in Agile/Scrum environments collaborating with analysts to translate requirements into robust features. Built SPAs using Angular integrated with RESTful APIs. Developed REST web services with Spring Boot, Hibernate, and Oracle DB. Integrated Elastic Path APIs and automated regression testing using Selenium WebDriver. Deployed applications on AWS EC2 and managed cloud infrastructure. Built and deployed applications using Maven, Jenkins, and Tomcat. Applied OOP principles and multithreading for performance optimization. Used Git for version control and branch management.
Sr. Java Full Stack Developer at Loblaws
September 1, 2024 - PresentDesigned and developed robust RESTful APIs and microservices using Spring Boot and Java technologies with PostgreSQL databases. Automated data extraction and transformation via Python for analytics and machine learning pipelines, including ETL processing of Parquet files in AWS S3. Developed secure authentication layers and asynchronous services with sub-50ms response times. Built Single Page Applications using React.js and integrated third-party APIs. Utilized Apache Kafka for real-time message brokering and migrated core services to Golang microservices. Deployed and managed Spring Boot microservices on Amazon EKS Kubernetes clusters with CI/CD pipelines automated using Jenkins. Skilled in AWS cloud services and Docker containerization. Developed batch jobs using Spring Batch and used Scala with Apache Spark for distributed ETL pipelines.
Java Full Stack Developer at Optus Infotech, India
October 1, 2022 - September 2, 2025Developed backend systems with Spring Boot and built ML-ready pipelines using Python and GCP Dataflow for event-driven data streams. Designed relational data models with complex stored procedures and optimized PostgreSQL queries. Built Microservices and RESTful APIs deployed via Docker on AWS and Azure cloud. Created dynamic web UIs with React.js, Angular, JSP, and PrimeFaces, implementing SPA architectures. Integrated Kubernetes for orchestrating containerized microservices with Helm and monitored cluster health using Prometheus and Grafana. Implemented business logic via Red Hat Decision Manager and practiced TDD with JUnit and Mockito. Developed real-time data processing pipelines using Scala and Apache Spark, integrating asynchronous Akka actors for fault-tolerant behavior. Worked with various cloud services including AWS Lambda and Microsoft Azure components.
Java Developer at Mastercard, India
August 1, 2018 - September 2, 2025Worked in Agile and Scrum teams to develop Single Page Applications using Angular and REST APIs with Spring Boot. Utilized Hibernate ORM and Oracle databases with CRUD and migration activities. Integrated Elastic Path APIs and tested using Postman and New Relic. Automated regression tests with Selenium WebDriver and deployed applications on AWS EC2 with full-stack cloud management including IAM, S3, and DynamoDB. Built and deployed software via Maven, Jenkins, and Tomcat across multiple environments. Applied OOP principles and design patterns, optimized performance with Java multithreading, and managed source control with GIT. Collaborated closely with analysts for requirements gathering and delivered robust application features.
Sr. Java Full Stack Developer at Loblaws
September 1, 2024 - PresentLed the development of robust RESTful APIs and microservices using Spring Boot, Spring MVC, Hibernate/JPA, and Spring Security. Implemented service discovery and centralized configuration using Spring Cloud components, and enabled secure inter-service communication via OAuth2/JWT. Built data pipelines in Python for analytics, surfaced ML services via Flask REST endpoints, and designed front-end interactions with React/TypeScript. Deployed microservices on Azure Kubernetes Service (AKS) with Helm charts and managed CI/CD pipelines using Jenkins, Maven, and Docker. Worked with PostgreSQL for complex schemas and high-volume transactions, and integrated Kafka for real-time messaging and ETL workflows. Collaborated across teams in an SAFe environment and documented deployment steps in Confluence.
Java Full Stack Developer at Optus Infotech, India
October 1, 2022 - September 15, 2025Developed and maintained backend systems using Spring Boot, Spring MVC, Spring Security, and Spring Batch; built ML-ready data pipelines in Python on Google Cloud Platform, leveraging Pub/Sub for event-driven data streams. Designed relational data models and wrote PL/pgSQL procedures; optimized queries with PostgreSQL EXPLAIN ANALYZE. Built Salesforce connectors and supported org consolidation by migrating data and integrations to unified platforms. Implemented RESTful services, containerized microservices with Docker, and deployed on AWS EC2 and Azure; managed Kubernetes deployments with EKS/AKS and Helm. Established CI/CD pipelines with Jenkins and Git, and integrated monitoring with New Relic and Grafana. Implemented Red Hat Decision Manager for rule-based processing and real-time streaming with Kafka and Spark.
Java Developer at Mastercard, India
August 1, 2018 - September 15, 2025Participated in Agile projects, designed REST APIs using Spring Boot, Hibernate/JPA, and Oracle/MySQL back-ends. Built Angular front-ends and integrated Salesforce APIs for Lead-to-Cash workflows; migrated legacy data and maintained middleware connectors. Containerized services with Docker, deployed on AWS EC2, and automated provisioning with Terraform CloudFormation. Implemented unit tests with JUnit/Mockito, conducted performance tuning in SQL, and collaborated with architecture teams to establish coding standards. Gained experience with WebSphere/Tomcat deployments and maintained CI/CD pipelines using Jenkins and Maven.
Sr. Java Full Stack Developer at Loblaws
September 1, 2024 - PresentResponsible for designing and implementing robust RESTful APIs and microservices using Spring Boot, Spring MVC, Hibernate/JPA, and Spring Security. Led AKS deployments with Helm, implemented service discovery/configuration with Spring Cloud, and integrated Kafka for real-time messaging. Built APIs in Node.js for supporting web and mobile apps; maintained CI/CD pipelines with Jenkins, Maven, SonarQube, and Snyk.
Java Full Stack Developer at Optus Infotech, India
October 1, 2022 - September 15, 2025Developed and maintained backend systems with Spring Boot, Spring MVC, Spring Security, and Spring Batch; built ML-ready data pipelines using Python and GCP Dataflow; integrated Salesforce ERP interfaces and performed data migrations; containerized microservices with Docker and deployed on AWS EKS/Azure AKS; implemented CI/CD pipelines and used Red Hat Decision Manager for rule-based processing.
Java Developer at Mastercard, India
August 1, 2018 - September 15, 2025Developed RESTful services using Spring Boot, Hibernate/JPA, and Oracle/MySQL; integrated Elastic Path and Salesforce; deployed applications on AWS EC2; performed unit testing with JUnit/Mockito; contributed to front-end integrations with Angular/JS; conducted performance tuning and database optimization.
Sr. Java Full Stack Developer at Loblaws
September 1, 2024 - PresentLed development of robust RESTful APIs and microservices using Spring Boot, Spring MVC, Spring ORM/JPA, and Spring Security. Modeled data with PostgreSQL, optimized complex queries, and supported high-volume API traffic. Built Python utilities to automate data extraction and ETL—from Parquet files in AWS S3 to PostgreSQL for analytics. Designed Salesforce-to-external system integrations via REST/SOAP APIs and assisted with multi-org migrations to ensure data consistency. Automated log parsing, error tracking, and reporting using Python. Implemented secure authentication/authorization with Spring Security and designed asynchronous services with sub-50ms responses. Created additional REST endpoints in Node.js/Express to support web and mobile clients. Deployed Spring Boot microservices on AKS (Azure) using Helm charts; used Spring Cloud components for service discovery, centralized configuration, and inter-service communication. Worked with Apache Kafka and Storm for real-time streamin
Java Full Stack Developer at Optus Infotech
October 1, 2022 - September 17, 2025Developed and maintained backend systems using Spring Boot, Spring MVC, Spring AOP, Spring Batch, Spring Security, and Spring Transaction Management. Built ML-ready pipelines using Python and GCP Dataflow, leveraging Pub/Sub for event-driven data streams. Integrated data science modules trained on business datasets using scikit-learn and connected outputs to APIs. Designed relational data models and wrote complex PL/pgSQL stored procedures to handle transactional logic. Used PostgreSQL EXPLAIN and ANALYZE tools to identify slow queries and improve performance via indexing and query rewriting. Implemented JSONB columns in PostgreSQL to store semi-structured metadata for API flexibility. Scheduled and maintained cron-based jobs that trigger Python scripts to populate and update PostgreSQL staging tables. Integrated PostgreSQL with BI tools (e.g., Metabase, Grafana) to expose dashboards for business stakeholders. Built and maintained service connectors for Salesforce integrations with ERP
Java Developer at Mastercard, India
August 1, 2018 - September 17, 2025Worked in Agile/Scrum environments; collaborated with business analysts to translate requirements into robust features. Built Single Page Applications (SPA) using Angular 4/6, integrated with RESTful APIs via Angular HTTP services. Designed RESTful web services using Spring Boot, Spring MVC, Spring Data, and Dependency Injection. Used Hibernate with HQL to persist and manipulate data; performed CRUD operations efficiently. Deployed microservices on AWS EC2 with IAM, S3, DynamoDB, Elasticsearch, and auto-scaling groups. Implemented OOP design patterns and multithreading for performance optimization. Integrated Elastic Path APIs with both Java backend and React.js frontend; tested APIs using Postman, BlazeMeter, New Relic, and Grafana. Wrote unit tests with JUnit and TestNG; automated regression testing using Selenium WebDriver. Worked with Oracle DB and supported mid-development Oracle database migration. Deployed applications to AWS EC2, used IAM, S3, DynamoDB, Elasticsearch, and auto-
Java Developer at Mastercard, India
August 1, 2018 - August 1, 2018Worked in Agile and Scrum-based environments; collaborated with business analysts to translate requirements into robust features. Designed and implemented RESTful services, ORM mappings with Hibernate/JPA, and data access layers for transactional systems. Contributed to performance tuning and SQL optimization across Oracle, MySQL, and PL/SQL; supported automation and build processes, and aided in integration testing.
Java Full Stack Developer at Optus Infotech, India
October 1, 2022 - October 1, 2022Developed and maintained backend systems with Spring Boot, Spring MVC, Spring AOP, Spring Batch, Spring Security, and transaction management. Built microservices and RESTful APIs, containerized with Docker, deployed on AWS/Azure, and integrated CI/CD pipelines with Jenkins. Implemented data pipelines and real-time streaming components using Kafka and Spark; collaborated with data science modules and front-end teams.
Sr. Java Full Stack Developer at Loblaws
September 1, 2024 - November 3, 2025Led development of robust RESTful APIs and microservices using Spring Boot, Spring MVC, Spring ORM/JDBC, Hibernate, and JPA. Migrated legacy services to microservices, deployed on Kubernetes (EKS), and managed cloud deployments (AWS). Implemented batch processing, DevOps practices with Terraform and Docker, and CI/CD via Jenkins. Built dynamic UIs with React.js and Node.js middleware; integrated third-party APIs and internal data pipelines for analytics and ML services.
Java Developer at Mastercard (India)
May 1, 2017 - August 31, 2018In Agile/Scrum environments, translated requirements into features and built SPAs using Angular and RESTful APIs with Spring Boot/Spring MVC. Integrated Elastic Path APIs into middleware, implemented unit tests with JUnit/Mockito, and deployed applications to AWS EC2 with S3/IAM. Maintained CI/CD pipelines with Maven and Jenkins and utilized Jira for planning and Git for version control.
Sr. Java Full Stack Developer at Loblaws - Toronto (Client)
September 1, 2024 - PresentExpertise in building robust RESTful APIs and microservices using Spring Boot, Spring MVC, Spring ORM/JDBC, Spring Security, Hibernate, and JPA. Developed SPA using React.js/TypeScript with responsive UI; integrated third-party APIs via Swagger/Jersey; implemented secure authentication/authorization; enabled real-time data processing with Kafka and Storm; migrated legacy apps to service-based architectures; deployed on AWS (EC2, S3, RDS) and managed CI/CD with GitLab/Jenkins; built batch jobs with Spring Batch.
Java Full Stack Developer at Optus Infotech
September 1, 2018 - October 1, 2022Developed and maintained backend systems using Spring Boot, Spring MVC, Spring AOP, Spring Batch, Spring Security, and transaction management. Built microservices and RESTful APIs; containerized with Docker and deployed on AWS EC2; integrated with AWS Lambda and CloudFormation. Used Hibernate/JPA for ORM; created mappings, managed associations, and optimized HQL queries. Wrote stored procedures and triggers in MySQL/PLSQL; performance tuning via indexing. Built dynamic UIs with Angular 8, JSP, and PrimeFaces; integrated Elastic Path APIs; implemented Red Hat Decision Manager (Drools). Wrote unit tests with JUnit/Mockito; configured CI/CD with Jenkins and Maven; deployed across Azure and AWS.
Java Developer at Mastercard
May 1, 2017 - August 1, 2018Collaborated in Agile teams to translate requirements into features; built SPAs with Angular 4/6 and RESTful APIs via Spring Boot/Spring MVC; persisted data with Hibernate/HQL against Oracle DB; integrated Elastic Path APIs with backend and React frontend; performed unit testing with JUnit/TestNG; automated regression testing with Selenium; deployed to AWS EC2 and S3 with IAM roles; implemented OOP patterns and multithreading for performance; contributed to CI/CD using Maven/Jenkins.
Education
PG Diploma at Loyalist College, Ontario, Canada
January 1, 2023 - August 31, 2024Bachelor of Technology at JNTUK, Malineni Lakshmaiah Women’s Engineering College
January 1, 2014 - December 31, 2018PG Diploma in Artificial Intelligence & Data Science at Loyalist College, Ontario, Canada
January 1, 2023 - August 1, 2024Bachelor of Technology in Computer Science & Engineering at JNTUK, Malineni Lakshmaiah Women’s Engineering College
January 1, 2014 - January 1, 2018PG Diploma at Loyalist College, Ontario, Canada
January 1, 2023 - August 1, 2024Bachelor of Technology in Computer Science & Engineering at JNTUK, Malineni Lakshmaiah Women’s Engineering College
January 1, 2014 - January 1, 2018PG Diploma at Loyalist College, Ontario, Canada
January 1, 2023 - August 1, 2024Bachelor of Technology in Computer Science & Engineering at JNTUK, Malineni Lakshmaiah Women’s Engineering College
January 1, 2014 - January 1, 2018PG Diploma at Loyalist College, Ontario, Canada
January 1, 2023 - August 1, 2024B.Tech in Computer Science & Engineering at JNTUK, Malineni Lakshmaiah Women’s Engineering College
January 1, 2014 - January 1, 2018PG Diploma in Artificial Intelligence & Data Science at Loyalist College, Ontario, Canada
January 1, 2023 - August 1, 2024Bachelor of Technology in Computer Science & Engineering at JNTUK, Malineni Lakshmaiah Women’s Engineering College
January 1, 2014 - January 1, 2018PG Diploma at Loyalist College, Ontario, Canada
January 1, 2023 - August 1, 2024Bachelor of Technology in Computer Science & Engineering at JNTUK, Malineni Lakshmaiah Women’s Engineering College
January 1, 2014 - January 1, 2018Postgraduate Diploma at Loyalist College, Ontario, Canada
January 1, 2023 - August 1, 2024Bachelor of Technology in Computer Science & Engineering at JNTUK, Malineni Lakshmaiah Women’s Engineering College
January 1, 2014 - January 1, 2018PG Diploma in Artificial Intelligence & Data Science at Loyalist College of Applied Science & Arts
January 1, 2023 - August 31, 2024Bachelor of Technology in Computer Science & Engineering at JNTUK, Malineni Lakshmaiah Women’s Engineering College
January 1, 2014 - December 31, 2018PG Diploma in Artificial Intelligence & Data Science at Loyalist College of Applied Science & Arts
January 1, 2023 - August 1, 2024Bachelor of Technology in Computer Science & Engineering at JNTUK, Malineni Lakshmaiah Women’s Engineering College
January 1, 2014 - January 1, 2018Qualifications
Drools
January 11, 2030 - December 2, 2025Red Hat Decision Manager
January 11, 2030 - December 2, 2025Industry Experience
Software & Internet, Financial Services, Retail, Telecommunications, Media & Entertainment, Professional Services, Healthcare, Education
Experience Level
Expert
Expert
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Expert
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Expert
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Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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