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I am a results-driven Full Stack Java Engineer with over 14 years of experience in designing, building, and scaling enterprise systems, primarily in the banking and analytics domains. My expertise lies in Java (17+), Spring Boot, React.js, and AWS microservices architecture, complemented by a strong understanding of GraphQL, REST, RDBMS, container orchestration with Docker and Kubernetes/OpenShift, and CI/CD pipelines. I am an AWS Certified Developer passionate about continuous learning and delivering performance-driven software solutions. I thrive in collaborative environments, consistently focusing on user-centric design and secure, resilient backend systems that meet stringent compliance requirements. My experience spans cloud migration, predictive modeling integration, and enhancing transactional throughput for critical financial applications.…I am a results-driven Full Stack Java Engineer with over 14 years of experience in designing, building, and scaling enterprise systems, primarily in the banking and analytics domains. My expertise lies in Java (17+), Spring Boot, React.js, and AWS microservices architecture, complemented by a strong understanding of GraphQL, REST, RDBMS, container orchestration with Docker and Kubernetes/OpenShift, and CI/CD pipelines. I am an AWS Certified Developer passionate about continuous learning and delivering performance-driven software solutions. I thrive in collaborative environments, consistently focusing on user-centric design and secure, resilient backend systems that meet stringent compliance requirements. My experience spans cloud migration, predictive modeling integration, and enhancing transactional throughput for critical financial applications.

RANJITH GOPALAKRISHNAN

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

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I am a results-driven Full Stack Java Engineer with over 14 years of experience in designing, building, and scaling enterprise systems, primarily in the banking and analytics domains. My expertise lies in Java (17+), Spring Boot, React.js, and AWS microservices architecture, complemented by a strong understanding of GraphQL, REST, RDBMS, container orchestration with Docker and Kubernetes/OpenShift, and CI/CD pipelines. I am an AWS Certified Developer passionate about continuous learning and delivering performance-driven software solutions. I thrive in collaborative environments, consistently focusing on user-centric design and secure, resilient backend systems that meet stringent compliance requirements. My experience spans cloud migration, predictive modeling integration, and enhancing transactional throughput for critical financial applications.…I am a results-driven Full Stack Java Engineer with over 14 years of experience in designing, building, and scaling enterprise systems, primarily in the banking and analytics domains. My expertise lies in Java (17+), Spring Boot, React.js, and AWS microservices architecture, complemented by a strong understanding of GraphQL, REST, RDBMS, container orchestration with Docker and Kubernetes/OpenShift, and CI/CD pipelines. I am an AWS Certified Developer passionate about continuous learning and delivering performance-driven software solutions. I thrive in collaborative environments, consistently focusing on user-centric design and secure, resilient backend systems that meet stringent compliance requirements. My experience spans cloud migration, predictive modeling integration, and enhancing transactional throughput for critical financial applications.

Available to hire

I am a results-driven Full Stack Java Engineer with over 14 years of experience in designing, building, and scaling enterprise systems, primarily in the banking and analytics domains. My expertise lies in Java (17+), Spring Boot, React.js, and AWS microservices architecture, complemented by a strong understanding of GraphQL, REST, RDBMS, container orchestration with Docker and Kubernetes/OpenShift, and CI/CD pipelines.

I am an AWS Certified Developer passionate about continuous learning and delivering performance-driven software solutions. I thrive in collaborative environments, consistently focusing on user-centric design and secure, resilient backend systems that meet stringent compliance requirements. My experience spans cloud migration, predictive modeling integration, and enhancing transactional throughput for critical financial applications.

Skills

Experience Level

Expert

Expert

Expert

Expert

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Expert

Expert

Expert

Expert

Expert

Intermediate

Work Experience

Tech Lead (Java) at ABSA Bank Ltd (via Quadrant Systems)

May 1, 2021 - Present

Led redesign of Registration Services backend improving registration success rate by 25%, ensuring secure onboarding for high-net-worth customers. Directed cloud migration to AWS utilizing ECS, Lambda, EventBridge, and API Gateway, enhancing high availability for mission-critical banking applications processing millions in daily high-value transactions. Developed scalable Spring Boot microservices reducing code duplication by 35% and increasing resilience under peak loads. Integrated SageMaker predictive models for real-time fraud detection and risk scoring on large fund transfers. Improved transactional throughput by 40% through Redis caching and asynchronous SQS processing. Enforced compliance and audit trails adhering to PCI DSS and internal policies. Collaborated with front-end React teams to secure processing of transaction workflows.

Senior Java Developer at Standard Bank (via 21 Millennium Technologies)

May 1, 2021 - August 21, 2025

Built core backend services for EETrade & EEBridge platforms enabling seamless processing of high-value cross-border and interbank trade transactions. Designed message orchestration workflows with Spring Integration and MQs achieving 99.98% message reliability processing millions of daily financial transactions. Ensured secure large-value trade settlements with end-to-end encryption and regulatory compliance (BASL, SWIFT). Migrated version control from SVN to Git improving collaboration and audit traceability. Optimized batch jobs and tuned Oracle queries reducing reporting runtime by 60%. Modernized front-end platforms using React providing traders real-time deal visibility. Integrated AWS S3 and Lambda for automated document processing and archiving to ensure compliance.

Systems Analyst / Tech Lead at UST Global Technologies

January 1, 2020 - August 21, 2025

Designed microservices for Equifax fraud analytics platform. Led cross-shore team for TIAA-CREF financial tools. Architected REST/SOAP services backed by Oracle and MongoDB. Implemented CI/CD pipelines using Jenkins and Git. Refactored monolithic applications into containerized microservices. Conducted code reviews and provided technical mentoring.

Java Developer / Senior Programmer at Cognizant Technologies

May 1, 2018 - August 21, 2025

Developed REST APIs and batch jobs using Spring and MongoDB. Delivered backend solutions focused on telecom and legal domains. Developed role-based authentication and user management features using Java and Spring Security. Created reusable UI components with JQuery and custom widgets. Conducted unit and integration testing with JUnit and SOAP UI ensuring stable production deployments. Collaborated with QA and business analysts to validate business rules and improve testing processes.

Software Engineer / Developer at Inapp Technologies

December 31, 2014 - August 21, 2025

Contributed to design and development of B2B web applications using Java, JSP, and Spring MVC. Developed reusable backend modules and service layers to improve development speed. Built front-end components using JQuery with AJAX integration for responsive UIs. Developed data access layers integrating Oracle and MySQL with JDBC and Hibernate.

Java Developer at Thought Ripples

June 30, 2013 - August 21, 2025

Built REST APIs and JSP-based reporting systems. Developed role-based authentication modules using Spring Security. Created reusable UI components with JQuery. Conducted system testing with JUnit and SOAP UI.

Tech Lead (Java) at ABSA Bank Ltd (via Quadrant Systems)

May 1, 2021 - Present

Led the redesign of Registration Services backend, improving registration success rates by 25% for high-net-worth individuals. Managed cloud migration to AWS utilizing ECS, Lambda, EventBridge, and API Gateway, ensuring high availability for critical banking applications processing millions of high-value transactions daily. Developed modular Spring Boot microservices to reduce code duplication and increased system resilience under peak financial loads. Integrated AWS SageMaker predictive models for real-time fraud detection and risk scoring. Optimized transactional throughput by 40% using Redis caching and asynchronous processing with SQS. Ensured compliance with PCI DSS and internal policies for handling sensitive data. Collaborated with front-end teams on React modules to secure transaction workflows.

Senior Java Developer at Standard Bank (via 21 Millennium Technologies)

May 1, 2021 - August 26, 2025

Built robust backend services for EETrade & EEBridge platforms supporting high-value cross-border and interbank transactions. Designed message orchestration workflows with Spring Integration and MQs achieving 99.98% reliability for million-scale daily financial messages. Implemented secure end-to-end encryption for large-value trade settlements following BASL and SWIFT standards. Led VCS migration from SVN to Git to improve collaboration and audit traceability on sensitive financial codebases. Reduced reporting runtime by 60% through optimized batch jobs and Oracle tuning. Modernized front-end platforms using React to provide real-time trade and risk analysis visibility. Automated document processing and archiving with AWS S3 and Lambda ensuring compliance and reliability.

Systems Analyst / Tech Lead at UST Global Technologies

January 1, 2020 - August 26, 2025

Designed microservices for the Equifax fraud analytics platform and led a cross-shore team supporting TIAA-CREF financial tools. Architected REST and SOAP services backed by Oracle and MongoDB databases. Implemented CI/CD pipelines using Jenkins and Git. Refactored monolithic services into containerized microservices and conducted code reviews as well as technical mentoring.

Java Developer / Senior Programmer at Cognizant Technologies

May 1, 2018 - August 26, 2025

Developed REST APIs and batch jobs using Spring and MongoDB across telecom and legal domains. Built role-based authentication and user management modules with Java and Spring Security. Created reusable UI components using JQuery and custom widgets, accelerating front-end development. Conducted unit and integration testing with JUnit and SOAP UI to ensure stable production deployments. Collaborated with QA and business analysts to streamline testing cycles and validate business rules.

Software Engineer / Developer at Inapp Technologies

December 31, 2014 - August 26, 2025

Contributed to the design and development of B2B web applications using Java, JSP, and Spring MVC. Created reusable backend modules and service layers improving development speed across teams. Built front-end components with JQuery and integrated AJAX for improved UI responsiveness. Developed data access layers integrating Oracle and MySQL databases using JDBC and Hibernate.

Java Developer at Thought Ripples

June 30, 2013 - August 26, 2025

Developed REST APIs and JSP-based reporting systems. Implemented role-based authentication using Spring Security. Created reusable UI components with JQuery and conducted testing with JUnit and SOAP UI.