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I am a Software Engineer with over 8 years of experience architecting scalable, cloud-native systems using Java, Spring Boot, and AWS. I excel at leading impactful initiatives, mentoring teams, and optimizing systems for performance and reliability. Throughout my career, I have built robust distributed systems and advanced DevOps practices with Kubernetes and Kafka. My passion lies in modernizing legacy systems, enhancing concurrency and scaling, and contributing to cross-team engineering standards. I enjoy working collaboratively and taking ownership of solutions that improve operational visibility, reliability, and efficiency.…I am a Software Engineer with over 8 years of experience architecting scalable, cloud-native systems using Java, Spring Boot, and AWS. I excel at leading impactful initiatives, mentoring teams, and optimizing systems for performance and reliability. Throughout my career, I have built robust distributed systems and advanced DevOps practices with Kubernetes and Kafka. My passion lies in modernizing legacy systems, enhancing concurrency and scaling, and contributing to cross-team engineering standards. I enjoy working collaboratively and taking ownership of solutions that improve operational visibility, reliability, and efficiency.

Krithika Subramaniyan

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I am a Software Engineer with over 8 years of experience architecting scalable, cloud-native systems using Java, Spring Boot, and AWS. I excel at leading impactful initiatives, mentoring teams, and optimizing systems for performance and reliability. Throughout my career, I have built robust distributed systems and advanced DevOps practices with Kubernetes and Kafka. My passion lies in modernizing legacy systems, enhancing concurrency and scaling, and contributing to cross-team engineering standards. I enjoy working collaboratively and taking ownership of solutions that improve operational visibility, reliability, and efficiency.…I am a Software Engineer with over 8 years of experience architecting scalable, cloud-native systems using Java, Spring Boot, and AWS. I excel at leading impactful initiatives, mentoring teams, and optimizing systems for performance and reliability. Throughout my career, I have built robust distributed systems and advanced DevOps practices with Kubernetes and Kafka. My passion lies in modernizing legacy systems, enhancing concurrency and scaling, and contributing to cross-team engineering standards. I enjoy working collaboratively and taking ownership of solutions that improve operational visibility, reliability, and efficiency.

Available to hire

I am a Software Engineer with over 8 years of experience architecting scalable, cloud-native systems using Java, Spring Boot, and AWS. I excel at leading impactful initiatives, mentoring teams, and optimizing systems for performance and reliability. Throughout my career, I have built robust distributed systems and advanced DevOps practices with Kubernetes and Kafka.

My passion lies in modernizing legacy systems, enhancing concurrency and scaling, and contributing to cross-team engineering standards. I enjoy working collaboratively and taking ownership of solutions that improve operational visibility, reliability, and efficiency.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Tamil

Fluent

Work Experience

Lead Software Engineer at Athenahealth

May 31, 2024 - August 21, 2025

Led the end-to-end migration of a SaaS-based MU2 CCDA system from legacy infrastructure to AWS, improving fault tolerance and maintainability for high-volume document processing. Developed a custom Redis-based throttling tool adopted by multiple teams and microservices to enforce API rate limits. Modernized monolithic components for dynamic scaling and modular deployment. Oversaw upgrades of core Java and Spring Boot services with zero downtime and contributed to cross-team initiatives including Perl version upgrades.

Senior Software Engineer at Athenahealth

December 31, 2022 - August 21, 2025

Re-architected payer CCDA generation pipeline using RabbitMQ, enhancing processing speed and throughput. Led migration from monolithic systems to microservices on AWS, doubling processing speed. Delivered care reporting pipelines for over 3 million patient records and designed workflows for on-demand document generation. Improved test coverage and reliability, mentoring junior engineers on testing best practices.

Software Engineer at Athenahealth

October 31, 2019 - August 21, 2025

Built and deployed a Kotlin-based synchronous CCDA application for real-time document generation on AWS. Automated deployments using Jenkins and Docker, reducing manual steps by 80%. Integrated monitoring with Grafana/Prometheus and centralized logging with Graylog. Enhanced payer CCDA content with HL7 compliance and improved interoperability using FTP, SFTP, and web services.

Associate Software Engineer at Athenahealth

February 28, 2018 - August 21, 2025

Developed HL7 message processing modules to accurately update patient data in EHR systems. Engineered parsers improving chart update reliability. Built a JIRA-integrated intake interface reducing triage cycles by 50%, and created interoperability reports to guide product decisions. Participated actively in Agile Scrum ceremonies.

Software Engineer Intern at Athenahealth

May 31, 2016 - August 21, 2025

Designed and built an internal dashboard using JavaScript inside a Perl monolith, increasing EHR vendor visibility for support and operations teams. Queried and visualized distributed data across clinics and hospitals to enhance monitoring capabilities.