KANNAN S

Summary of Qualifications

Staff Backend Engineer with 15+ years of experience architecting and scaling distributed, cloud-native systems. Strong production expertise in Golang, Ruby, and PostgreSQL, with deep experience designing secure, high-availability platforms on AWS. Currently pursuing M.Tech in AI/ML, with hands-on experience building deep learning pipelines, LLM-powered workflows, MLflow-based model lifecycle management, and vector database integrations in production environments. Proven ability to drive architectural decisions, influence engineering standards, and mentor engineering teams.

Professional Experience

• Independent Product (Self-Initiated) — Staff Backend Architect, Golang (Jan 2024 – Present)
  • Architected and built a cloud-native API platform in Golang designed for horizontal scalability and high availability.
  • Designed stateless microservices with event-driven workflows leveraging asynchronous messaging patterns.
  • Modeled and optimized PostgreSQL schemas with indexing strategies, query tuning, and connection pooling for high-concurrency readiness.
  • Implemented secure authentication, authorization, and encryption mechanisms following modern security best practices.
  • Designed and provisioned AWS infrastructure (EC2, RDS, S3, IAM, ALB) with automated CI/CD pipelines and environment isolation.
  • Established observability foundations including structured logging, health checks, and deployment monitoring in preparation for pilot launch.
• PowerSchool India Pvt Ltd — Lead Software Engineer II (Jul 2023 – Present)
  • Drove backend architecture for a global SaaS platform serving enterprise education markets.
  • Led cross-team design reviews and influenced engineering standards.
  • Owned Kubernetes-based deployments and AWS cloud-native scaling strategies.
  • Improved reliability through CI/CD automation and infrastructure modernization.
  • Mentored engineers and contributed to long-term technical roadmap decisions.
  • Championed the migration of legacy monolithic services in a microservices architecture, elevating scalability, deployment velocity, and maintainability for key product modules.
• Infosys Limited — Senior Technologist (Jan 2020 – Jul 2023)

  (Previously Consultant via Global Achievers | Mar 2019 – Dec 2019)

  • Led and managed a tribe of 50+ team members, optimizing collaboration and performance. Applied expertise in Ruby on Rails, Scala Play, and Big Data technologies (Cassandra, Kafka).
  • Made substantial individual contributions to Scala Play projects, enhancing overall product development.
  • Orchestrated end-to-end server configuration, deployment, and release processes.
  • Engineered high-availability data pipelines processing over 5TB daily utilizing Scala Play, Kafka, and Cassandra, elevating system throughput by 39% while maintaining 99.9% uptime across all client-facing microservices.
• Ephicacy Lifescience Analytics — Senior Ruby Engineer (Aug 2015 – Feb 2019)
  • Provided individual contributions to pharmaceutical product development.
  • Led full-stack Ruby on Rails development, emphasizing architecture and design.
  • Streamlined server management and deployment workflows using Ruby on Rails, Docker, and Kubernetes, ensuring stable production releases and efficient resource allocation.
• Carmatec IT Solutions — Senior Software Engineer (May 2014 – Aug 2015)
  • Executed end-to-end Ruby on Rails coding for frontend and backend.
  • Led architectural decisions, design, and feature development.
  • Ensured software quality through meticulous debugging and testing using RSpec.
• Changepond Technologies & Shriram IT Solutions — Software Engineer (Jun 2011 – Apr 2014)
  • Developed enterprise web applications and backend systems across domains.
  • Engineered RESTful APIs and integrated third-party services to support scalable, secure business solutions for industry clients.
  • Refined deployment pipelines and automated testing workflows, elevating release consistency while reducing turnaround time for application updates.