Kameswaran

Rather act than words

Rangasamy

rangakamesh@gmail.com

Kameswaran

Rangasamy

Rather act than words

rangakamesh@gmail.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

Okta / Auth0

Toronto, Ontario
March 2026 - Present

Senior Software Engineer

March 2026 - Present
  • Working as a core member of the Core Identity Protocols team, implementing and extending modern identity protocols including OAuth 2.0, OpenID Connect (OIDC), and federation standards.
  • Designing and optimizing highly performant, reliable, and secure authentication and authorization microservices to power enterprise-grade identity flows.
  • Collaborating on standard compliance and security threat modeling to safeguard core login and tokens issuance mechanisms.

Carfax

London, Ontario
April 2023 - March 2026

Senior Software Engineer, Team Lead

November 2024 - March 2026
  • Led 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.

Siemens Healthineers

Ottawa, Ontario — Software Developer
January 2022 - April 2023
  • 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.

Johnson Controls

Montreal, Quebec — Software Developer
July 2021 - December 2021
  • 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.

Sopra Steria

India — Software Developer
July 2017 - July 2019
  • 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.

Skills

Languages used as per Github
Programming Languages, Tools & Technologies
Git
Github
Gitlab
Java
Python
Csharp
Typescript
Javascript
Spring
Nodejs
React
Nextdotjs
Dotnet
AWS
Kubernetes
Docker
Mongodb
Microsoftsqlserver
Redis
Elasticsearch
Grafana
Jira
Html5
Css3
Visualstudiocode
Visualstudio
Intellijidea
Postman

Major Open Source Projects

Contact

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

Mississauga, Ontario, Canada.

+1 819-919-3339