Summary
Overview
Work History
Education
Skills
Timeline
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Yuganya Sundaram

Yuganya Sundaram

Backend Software Engineer
Chennai

Summary

Backend Engineer with 11 years’ experience in Java microservices, AWS, and SQL/NoSQL, building scalable APIs for millions of users.

Overview

11
11
years of professional experience

Work History

Lead Software Engineer

Freshworks
11.2020 - 11.2024
  • Led an 8-member backend team, collaborating with cross-product teams to design, develop, and support high-scale integrations.
  • Developed a centralized OAuth2 service supporting multiple applications, eliminating redundant implementations and significantly reducing annual costs from Google’s security reviews.
  • Designed and implemented mail client integration services (Gmail API, Microsoft Graph API, IMAP client) enabling secure multi-tenant email sync for 100k+ accounts, along with mail routing APIs and token refresh flows, ensuring 99.99% uptime.
  • Containerized services with Docker, deployed via AWS EKS, and implemented CloudWatch alerts to reduce incident detection time by 90%.
  • Integrated multiple 3rd-party APIs/SDKs, handling compatibility issues during Java and dependency upgrades.
  • Award: Helping Hand of the Year 2021 for outstanding collaboration and team support.

Member of Technical Staff

Zoho Corporation
06.2013 - 11.2020
  • Owned IMAP sync engine for Zoho Mail serving 1M+ active users, ensuring high availability and secure delivery.
  • Introduced a UIDVALIDITY handling optimization, reducing mailbox sync bandwidth usage by 90%.
  • Led backend development for Zoho Mail Streams, a social-network-style collaboration feature inside Zoho Mail.
  • Optimized feed rendering by moving time-ordered views to HBase and fetching metadata from MySQL, reducing load times from 5s to under 500ms.
  • Managed production war-room incidents for tier-1 mail systems, delivering quick fixes under pressure to prevent major user impact.

Education

Bachelor of Engineering - Computer Science

SSN College of Engineering, Anna University
Chennai, India
05.2013

Skills

Language

Java (Expert), Python (Scripting), Shell Scripting (Automation)

Backend

Microservices, REST API Development, Event-Driven Architecture, Spring Boot

Cloud

AWS (EC2, S3, EKS,SQS,RDS,KMS, Lambda, CloudWatch, IAM)

Databases

MySQL, HBase, Cassandra, Redis

Messaging & Streaming

Kafka, Custom Event Streams, Zookeeper

Containers & DevOps

Docker, Kubernetes, Jenkins, CI/CD Pipelines

Testing

JUnit,Jmeter,Mockito

Methodologies

Agile, Scrum, Code Review Practices

Timeline

Lead Software Engineer

Freshworks
11.2020 - 11.2024

Member of Technical Staff

Zoho Corporation
06.2013 - 11.2020

Bachelor of Engineering - Computer Science

SSN College of Engineering, Anna University

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Yuganya SundaramBackend Software Engineer