Available to hire
I’m Sadiq Zaheer, a Full Stack Developer with 9+ years of experience across Java, Spring Boot, React, Angular, TypeScript, and cloud (AWS/Azure). I’ve delivered end-to-end features at Scholastic, Rapid Innovation, and BirlaSoft, leading development, improving performance, and building scalable systems. I stand out for owning complex features, strong problem-solving, and the ability to work seamlessly across frontend and backend.
Skills
Language
English
Advanced
Javanese
Fluent
Work Experience
Senior Java Developer at BirlaSoft
January 1, 2021 - October 28, 2025Developed and deployed microservices using Java 17, Spring Boot, and REST APIs. Integrated with Node.js and Python for backend automation and monitoring. Designed RESTful web services with Spring Boot, Spring Data, and Spring Security to enable secure, scalable communication between distributed services. Automated testing with JUnit and Mockito to improve code quality. Integrated third-party lender services to streamline loan workflows and reduce manual intervention. Implemented the SAGA pattern in a microservices architecture using Kafka to ensure consistency across distributed transactions. Set up CI/CD pipelines with Jenkins and Docker to deploy to AWS, improving release velocity and reliability. Collaborated with stakeholders in Agile/Scrum to deliver high-priority features and triaged production issues.
Java Full Stack Developer at Rapid Innovations
December 1, 2020 - December 1, 2020Designed and built multi-tier web-based client-server apps using Java, Spring Boot, React 18, and SQL Server, delivering scalable enterprise solutions. Developed RESTful APIs for multiple modules, created end-to-end apps with Spring Boot, Spring MVC, Spring Data, and Spring Security. Engineered a robust DAL with Spring Data JPA and Hibernate, improving query performance. Architected microservices with REST and Apache Kafka, managing Kafka clusters with Zookeeper for reliable messaging. Optimized performance with PostgreSQL features such as stored procedures and triggers. Containerized apps with Docker and deployed on OpenShift. Automated CI/CD pipelines with Jenkins, integrating Git, Maven, and Docker to deliver to AWS environments. Built dynamic UIs with React 18 and modern front-end tooling. Partnered with cross-functional teams to resolve production issues and deliver enhancements fast.
Associate Software Engineer at Scholastic
October 1, 2017 - October 1, 2017Delivered Spring Boot microservices with REST APIs and Kafka-based event-driven systems. Implemented RESTful APIs using Spring Boot and Hibernate ORM, enabling robust integration across services. Developed end-to-end solutions with Spring MVC, Spring Data, and Spring Security. Built a high-performance data access layer with Spring Data JPA and Hibernate. Architected microservices-based systems using Spring Boot, REST, and Apache Kafka, including managing Kafka clusters. Enhanced scalability with PostgreSQL features such as stored procedures and indexing. Implemented Docker-based containerization and OpenShift deployment. Automated CI/CD workflows with Jenkins. Built interactive UIs with React 18 for improved user experience.
Senior Java Developer at Birla Soft
January 1, 2021 - November 11, 2025Developed and deployed microservices using Java 17, Spring Boot, and REST APIs, integrating with Node.js and Python for backend automation and monitoring. Designed and implemented RESTful web services with Spring Boot, Spring Data, and Spring Security, enabling secure and efficient communication between distributed services. Automated testing with JUnit and Mockito, achieving high code coverage and reducing production defects. Integrated third-party lender services via Spring Boot to streamline loan workflows. Implemented the SAGA pattern with Kafka for distributed transactions. Used Jenkins and Docker for CI/CD and AWS deployments, improving release frequency and reducing downtime. Collaborated with stakeholders in Agile/Scrum to deliver high-priority features and resolved production issues to improve reliability.
Java Full Stack Developer at Rapid Innovations
November 1, 2017 - December 1, 2020Designed and built multi-tier web-based client-server applications using Java, Spring Boot, React, and SQL Server; developed RESTful APIs; implemented end-to-end applications with Spring MVC, Spring Data, and Spring Security; built a robust data access layer with Spring Data JPA and Hibernate; architected microservices with Spring Boot and Apache Kafka; containerized with Docker and OpenShift; automated CI/CD pipelines with Jenkins; built dynamic UIs with React 18.
Associate Software Engineer at Scholastic
August 1, 2016 - October 1, 2017Delivered Spring Boot microservices with REST APIs and Kafka messaging; built RESTful APIs using Spring Boot, Hibernate, Spring MVC, Spring Data, and Spring Security; developed end-to-end solutions with Spring MVC, Spring Data, and Spring Security; built high-performance data access layer with Spring Data JPA and Hibernate; architected microservices with Spring Boot, REST, and Apache Kafka; containerized with Docker and deployed on OpenShift; automated CI/CD with Jenkins; built interactive UIs with React 18.
Education
B.S in computer Science at MAJU
January 11, 2030 - January 1, 2013B.S in Computer Science at MAJU
January 1, 2013 - January 1, 2013B.S in Computer Science at MAJU
January 11, 2030 - January 1, 2013Qualifications
Industry Experience
Software & Internet, Computers & Electronics, Professional Services, Education
Skills
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