Harsha Saranam
Summary
Software engineer with 8 years of experience building high-scale, customer-facing web applications across financial, insurance, and B2B domains. Specialized in Java, Scala, and modern front-end frameworks with a strong background in distributed systems, API design, and performance optimization. Proven track record of reducing system load, accelerating platform performance, and delivering end-to-end solutions using Spring Boot, React, Kubernetes, and cloud technologies. Adept at collaborating with product and cross-functional teams to execute roadmap initiatives and ship impactful features.
Overview
8
8
years of professional experience
Work History
Senior Software Engineer
ANGI Inc
03.2022 - Current
- Built rate-limiting on service-provider profile APIs, reducing backend load by 23% and preventing traffic spikes.
- Designed and implemented a global notification system to deliver real-time product and service messages across platforms.
- Developed a unified login experience enabling seamless switching between HomeAdvisor Pro and Angi Office applications.
- Led migration of 200k+ service providers into the Angi Ads ecosystem and modernized legacy JSP pages to React, improving satisfaction from 45% to 92%.
- Created 46+ Grafana dashboards and alerting rules enabling 24/7 observability and reducing downtime incidents.
- Authored multiple RFCs to drive architectural improvements, new feature proposals, and system-wide enhancements
- Collaborated with product, design, and analytics teams to define roadmap priorities and execute multi-sprint feature delivery.
- Improved test automation and CI/CD quality through JUnit, Mockito, Karate, and pipeline optimization.
Software Engineer
AMERICAN EXPRESS
10.2018 - 03.2022
- Led and redesigned uploading files to increase size, which improved the case response journey time for merchants from 3 days to 15 mins.
- Optimized external API calls to improve response time from 28s to 3s.
- Implemented a caching mechanism on the dashboard that saved ~137k per year.
- Worked with enterprise teams on architecting the flow of raw data feed and card member feed onto the merchant's site.
- Led the DevOps initiative to improve test coverage from 12% to 85% across 250 repositories, regression, and e2e automation in both web and API.
- Actively worked with the product team and leadership to define the scope and features and plan them accordingly for the next 5 sprints (1 Program Increment).
- Worked on redesigning the disputes experience using ReactJS from AngularJS.
Full Stack Java Developer
MARLABS
05.2018 - 10.2018
- Worked on building the claim process system for the customers.
- Improved the test case coverage from 32% to 94% and automation to 100%.
- Improved the user experience that scales to web, mobile, and tablet using Bootstrap.
Education
Master's - computer sciences
University of Missouri
05.2018
Master's - software engineering
Vellore Institute of Technology
05.2016
Skills
- Java
- Kotlin
- Scala
- JavaScript (ES6)
- HTML5
- CSS3
- Spring Boot
- Spring MVC
- Spring Cloud
- GRPC
- GraphQL
- Hibernate/JPA
- Microservices Architecture
- ReactJS
- Redux
- Angular
- Nodejs (basic)
- RESTful API Design
- Kafka
- JUnit
- Mockito
- Gherkin
- Karate
- Selenium
- Postman
- TestRail
- JMeter
- Git
- Docker
- Kubernetes
- Jenkins
- GitHub Actions
- Grafana
- Splunk
- Rally
- Jira
- AWS (Lambda, S3, EC2, CloudWatch)
- Terraform (working knowledge)
- API Gateway
- Amex ECP
- Akamai CDN
- Rate Limiting
- Caching (Redis)
- Load Testing
- Observability Dashboards
- DB2
- MySQL
- MariaDB
- Oracle
- PostgreSQL
Personal Information
Title: Senior Software Engineer
Timeline
Senior Software Engineer
ANGI Inc
03.2022 - Current
Software Engineer
AMERICAN EXPRESS
10.2018 - 03.2022
Full Stack Java Developer
MARLABS
05.2018 - 10.2018
Master's - computer sciences
University of Missouri
Master's - software engineering
Vellore Institute of Technology