Hariharan Sivakumar

Master's

Cyber Security Systems

Afford Medical Technologies

Senior Software Engineer

- India - Developed low cost high efficient kafka like queues from the scratch using gRPC streaming server - Developed golang microservices that delivers low latency and high throughput applications - Used gin a REST API framework in golang for better routing and validations - Followed TDD for better quality and to reduce bug in production - Avoided using third party/open source libraries for testing, manged to write test cases in golang's inbuilt - Written docker files for custom microservice image and developed docker compose scripts for activities like - Delivered the docker images to Docker hub through - GitLab CI/CD pipeline with custom kubernetes pod - Proposed viable solutions when given with complex and decision making problems - Analyzed different caching system like redis/memcache and made conscious suggestions based on the business need - Implemented oauth2 system using ORY hydra and associated with golang microservices for session, token, and oauth2 management golang microservices - Part of Customer support service API, a business development API microservice for creating tickets and communication - Created custom libraries for common utilities and functionalities used across different microservices - Introduced team a new linting framework to replace the existing outdated - Compared the results for research on different oauth2 providers like OAUTH0, ORY Hydra, Keycloack - Developed media management service, a - Supported application deployment activities in kubernetes helm chats for various process like secrets - Created dev purpose automation script in nodejs to ease development productivity for oauth2 token - Used KONG for service routing management and deployed it through kubernetes - Implemented Golang - Web sockets using gorila package for realtime document editing for admin - Wrote terraform scripts to deploy postgresql, kubernetes and storage account to azure