Kameswaran

Rather act than words

Kameswaran

Rangasamy

Rather act than words

rangakamesh@hotmail.com

Seasoned Software Engineer with 7+ years of experience and a Master’s degree in Computer Science. I specialize in designing and leading scalable B2C/B2B authentication and authorization platforms, building cloud-native microservices, and delivering high-impact solutions across AWS, Java/Spring Boot, Node.js/TypeScript, React, and Next.js.


Education

Bishop's University, Sherbrooke, Quebec

Master of Science in Computer Science

C.G.P.A: 93%

August 2019 - May 2021

Experience

Carfax, London, Ontario

Senior Software Engineer, Team Lead
November 2024 - Present
  • Leading a team of 6 engineers, providing technical leadership and strategic direction for the architecture, development, and deployment of a new internal modern authentication system.
  • Architected and developed a scalable authentication platform using AWS EKS, Gloo Edge, Secrets Manager, DynamoDB, MemoryDB, AWS CDK, GitLab CI/CD, NewRelic Open Telemetry, Prometheus, and Argo CD, contributing to $5M+ in generated leads and revenue.
  • Designed and delivered a JavaScript micro-frontend authentication package implementing an observer pattern via the window object to standardize secure auth across Carfax-owned websites.
  • Optimized Git workflow and CI/CD practices to improve delivery velocity and turnaround time.
  • Collaborated with stakeholders on scope, requirements, roadmaps, research, and technical documentation.
  • Hired, mentored, and reviewed 6 engineers (2 Senior, 2 Intermediate, 2 Junior) via coaching and pair programming to improve productivity and code quality.
Software Engineer
April 2023 - November 2024
  • Developed a critical frontend Next.js application (TypeScript/React) enabling customer service agents to manage customer accounts more efficiently.
  • Engineered a Java/Spring Boot pass-through proxy to stagger calls to multiple external systems, bypass rate limits and save ~$300K in contract value.
  • Migrated a monolithic authentication builder to a microservice architecture using Auth0 Action runtime, TypeScript, and JS bundlers, improving developer productivity.
  • Designed and maintained RESTful authentication and OAuth services using Java, Spring Boot, and AWS services (Lambda, API Gateway, DynamoDB, MemoryDB) supporting B2C/B2B OAuth 2.0/OIDC.
  • Built and deployed Infrastructure as Code with AWS CDK and GitLab CI/CD for scalable, repeatable releases.
April 2023 - Present

Siemens Healthineers, Ottawa, Ontario

Software Developer
  • Led an Agile team of 2 interns across 3 terms to develop and maintain high-scale RESTful microservices using C# on an in-house Kubernetes platform.
  • Designed a data acquisition system to collect and clean data for a regression model via REST APIs, automating multi-sensor data retrieval and reducing manufacturing time by 50%.
  • Developed and maintained a regression model for optimum sensor calibration using C#, ASP.NET, ML.NET, Redis, Elastic, and Grafana while adhering to OpenAPI standards.
  • Delivered an in-house C++ 2D bar/QR decoding package with 99.9% success rate, reducing manufacturing costs.
January 2022 - April 2023

Johnson Controls, Montreal, Quebec

Software Developer
  • Developed Windows services interacting with Fire Detection systems and managing device networks using C#, .NET Core, MS SQL, MongoDB, and Redis.
  • Built a ReactJS SaaS application on Azure App Service to manage Fire Detection networks from the cloud using TypeScript and GitHub CI/CD.
  • Authored IoT protocol documentation and implemented security measures including code obfuscation, secret management, and remote configurations.
July 2021 - December 2021

Sopra Steria, India

Software Developer
  • Contributed to a Scrum team supporting and enhancing TESCO’s warehouse and supply chain management system on .NET with event publishing via Kafka.
  • Built data extraction systems from MS SQL to feed external systems and dashboards.
  • Developed observability dashboards using ReactJS, HTML5, JavaScript, CSS, and Bootstrap.
July 2017 - July 2019

Skills

Languages used as per Github
Programming Languages, Tools & Technologies

Major Open Source Projects


Contact

I would love to hear from you
Reach out to me directly

Mississauga, Ontario, Canada.

+1 819-919-3339