Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I am a Full Stack Developer with 4 years of experience specializing in designing and delivering scalable, cloud-native applications primarily using Java (Spring Boot), React (TypeScript), and PostgreSQL. My expertise spans healthcare and fintech domains, where I build secure microservices and efficient REST APIs that improve performance and compliance. I actively engage with cross-functional teams including clinicians, QA, and DevOps to deliver user-centric and secure solutions following industry standards like HIPAA and PCI DSS. I am highly proficient in leveraging AWS cloud services, Docker containers, and CI/CD pipelines to achieve zero-downtime deployments and significantly faster release cycles. My passion lies in optimizing both backend and frontend systems to enhance data accuracy, reduce query latency, and provide seamless interoperability with third-party systems while ensuring compliance and security.…I am a Full Stack Developer with 4 years of experience specializing in designing and delivering scalable, cloud-native applications primarily using Java (Spring Boot), React (TypeScript), and PostgreSQL. My expertise spans healthcare and fintech domains, where I build secure microservices and efficient REST APIs that improve performance and compliance. I actively engage with cross-functional teams including clinicians, QA, and DevOps to deliver user-centric and secure solutions following industry standards like HIPAA and PCI DSS. I am highly proficient in leveraging AWS cloud services, Docker containers, and CI/CD pipelines to achieve zero-downtime deployments and significantly faster release cycles. My passion lies in optimizing both backend and frontend systems to enhance data accuracy, reduce query latency, and provide seamless interoperability with third-party systems while ensuring compliance and security.

Tharun Reddy Vantakala

Full Stack Developer, Developer, Cloud Developer, +4





I am a Full Stack Developer with 4 years of experience specializing in designing and delivering scalable, cloud-native applications primarily using Java (Spring Boot), React (TypeScript), and PostgreSQL. My expertise spans healthcare and fintech domains, where I build secure microservices and efficient REST APIs that improve performance and compliance. I actively engage with cross-functional teams including clinicians, QA, and DevOps to deliver user-centric and secure solutions following industry standards like HIPAA and PCI DSS. I am highly proficient in leveraging AWS cloud services, Docker containers, and CI/CD pipelines to achieve zero-downtime deployments and significantly faster release cycles. My passion lies in optimizing both backend and frontend systems to enhance data accuracy, reduce query latency, and provide seamless interoperability with third-party systems while ensuring compliance and security.…I am a Full Stack Developer with 4 years of experience specializing in designing and delivering scalable, cloud-native applications primarily using Java (Spring Boot), React (TypeScript), and PostgreSQL. My expertise spans healthcare and fintech domains, where I build secure microservices and efficient REST APIs that improve performance and compliance. I actively engage with cross-functional teams including clinicians, QA, and DevOps to deliver user-centric and secure solutions following industry standards like HIPAA and PCI DSS. I am highly proficient in leveraging AWS cloud services, Docker containers, and CI/CD pipelines to achieve zero-downtime deployments and significantly faster release cycles. My passion lies in optimizing both backend and frontend systems to enhance data accuracy, reduce query latency, and provide seamless interoperability with third-party systems while ensuring compliance and security.

Available to hire

I am a Full Stack Developer with 4 years of experience specializing in designing and delivering scalable, cloud-native applications primarily using Java (Spring Boot), React (TypeScript), and PostgreSQL. My expertise spans healthcare and fintech domains, where I build secure microservices and efficient REST APIs that improve performance and compliance. I actively engage with cross-functional teams including clinicians, QA, and DevOps to deliver user-centric and secure solutions following industry standards like HIPAA and PCI DSS.

I am highly proficient in leveraging AWS cloud services, Docker containers, and CI/CD pipelines to achieve zero-downtime deployments and significantly faster release cycles. My passion lies in optimizing both backend and frontend systems to enhance data accuracy, reduce query latency, and provide seamless interoperability with third-party systems while ensuring compliance and security.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Full Stack Developer at Cerner Corporation, USA – Remote

August 1, 2024 - Present

Collaborated with stakeholders to gather business and compliance requirements, designing and delivering a cloud-native healthcare platform using Java, React, and PostgreSQL. Developed a modular, microservices architecture supporting 5,000+ concurrent users with real-time data exchange and minimal latency. Built HIPAA-compliant, secure REST APIs implementing JWT, OAuth 2.0, and RBAC with audit trails. Created accessible, reusable front-end components in React.js with performance optimizations. Integrated Elasticsearch to reduce query latency by 60%. Deployed microservices to AWS with secure infrastructure and monitoring. Developed CI/CD pipelines automating testing and zero-downtime releases. Worked closely with clinicians and DevOps teams to implement FHIR/HL7 standards for EMR integration.

Software Developer at Razorpay, India

July 31, 2023 - July 28, 2025

Designed scalable backend systems in Java and React supporting over 1 million daily financial transactions, complying with PCI DSS and ISO 27001. Engineered event-driven microservices with message queuing and retry mechanisms for fault tolerance. Developed reusable React component libraries reducing frontend maintenance. Optimized Oracle SQL queries for peak performance. Automated financial reconciliation with Java batch jobs. Built real-time fraud detection workflows using AWS Lambda integrated with Java APIs, cutting manual interventions by 45%. Maintained 85% unit test coverage with JUnit and Mockito using TDD and CI best practices. Configured CloudWatch and ELK for proactive monitoring and issue resolution.

Full Stack Developer at Cerner Corporation, USA – Remote

August 1, 2024 - Present

Collaborated with stakeholders to gather business and compliance requirements for a cloud-native healthcare platform using Java (Spring Boot), React (TypeScript), and PostgreSQL, which streamlined electronic health records, claims, and enrollment processes to improve data accuracy. Designed a modular microservices architecture supporting 5,000+ concurrent users with asynchronous communication for high availability and fault tolerance. Developed secure REST APIs compliant with HIPAA using JWT, OAuth 2.0, and RBAC, including endpoint-level logging and audit trails for compliance. Built reusable front-end components with React.js and Redux, applied route-based lazy loading to reduce page load times by 35%, and ensured accessibility standards compliance. Integrated Elasticsearch, reducing query latency by 60%, to enhance real-time data search and filtering. Deployed microservices to AWS EC2 with encrypted S3 storage, IAM roles, and CloudWatch monitoring for infrastructure security. Automat

Software Developer at Razorpay, India

July 1, 2023 - August 22, 2025

Developed scalable backend systems using Java (Spring Boot) and React to handle over 1 million daily financial transactions while adhering to PCI DSS and ISO 27001 security standards. Engineered event-driven microservices and RESTful APIs with retry logic and message queueing for robust payment processing. Created reusable React component libraries applying responsive design, reducing frontend maintenance by 40%. Optimized Oracle SQL queries using indexing and pagination to increase throughput by 35% at peak volumes. Automated financial reconciliation via Java batch jobs enhancing reporting accuracy and reducing errors. Developed real-time fraud detection workflows using AWS Lambda integration, reducing manual interventions by 45%. Maintained 85% unit test coverage using JUnit and Mockito following TDD and CI best practices, resulting in 35% fewer post-deployment issues. Configured AWS CloudWatch and ELK stack dashboards for log aggregation and proactive performance monitoring.