Kannan KS
Software Engineer
Chennai
Summary
Results-driven Software Engineer with over 6 years of experience in architecting scalable systems, leading backend development, and optimizing data platforms for high-performance SaaS applications. Skilled in designing microservices, scaling infrastructure, and driving initiatives across authentication, observability, and analytics ecosystems. Recognized as an experienced mentor and squad lead, prioritizing engineering excellence, clean code practices, and delivering business-critical solutions with quality and speed.
Overview
7
7
years of professional experience
4
4
years of post-secondary education
Work History
Senior Software Engineer - Backend
Growfin.ai
Chennai
06.2022 - Current
- Backend Developer actively working on a CRM like software built for Finance & Accounts team to keep track of the Invoices to be paid by their customers.
- Developed a centralized authentication library, standardizing auth across all Microservices.
- Designed and launched new microservices, including a finance CRM customer portal and GMail sync service.
- Optimized MySQL performance through indexing and Denormalization, reducing query times from ~10s to ~3s.
- Integrated Rockset and ClickHouse to power customer-facing analytics dashboards, achieving 100x faster query performance (~10ms vs ~10s).
- Built Datadog dashboards for Nginx, Tomcat, and JMX (HikariCP) monitoring, enhancing system observability.
- Introduced QueryDSL (JPA + SQL) for dynamic and type-safe query construction.
- Improved RabbitMQ throughput by implementing partitioned queues with consistent hashing.
- Led Authorization architecture for a new service and refactored legacy authorization code for scalability.
- Migrated 30+ background jobs to Quartz Scheduler, improving reliability and operational maintainability.
- Acted as Squad Lead: mentored 4-5 engineers, conducted code reviews, sprint planning, retrospectives, and ensured on-time, quality deliveries.
- Owned and maintained production infrastructure for 4 microservices, including RDS, DMS, RabbitMQ, Redis, EC2, ALB, Route53, ElasticSearch, and a self-hosted ClickHouse cluster.
Senior Software Engineer - Backend
Freshworks Inc.
Chennai
05.2021 - 06.2022
- Worked on scaling a ChatBot platform backend, focusing on database performance and system reliability.
- Implemented Redis caching strategies for high-usage tables, reducing redundant database queries and improving response times.
- Optimized backend service logic to minimize database load and enhance scalability under growing user traffic.
Member Technical Staff
Zoho Technologies Pvt. Ltd.
Chennai
11.2019 - 05.2021
- Developed real-time in-app Live Chat integration and user presence features for an enterprise ticketing platform.
- Built gamification systems and implemented real-time push notifications to enhance user engagement.
- Designed and deployed an Agent Idle-Time tracking feature to optimize workforce management.
Member Technical Staff
Zoho Technologies Pvt. Ltd.
Tenkasi
05.2018 - 11.2019
- Contributed to core modules of Live Chat applications including customer success workflows and in-app CRM integrations.
- Actively participated in front-end UI design and backend data processing to support customer requirements.
- Managed bug-fixing teams and directly handled critical issue escalations, ensuring product stability.
Intern - Software Developer
Zoho Technologies Pvt. Ltd.
Tenkasi
01.2018 - 03.2018
- Designed and implemented an object model for live visitor tracking in chat software.
- Reduced WebSocket connection usage by implementing message grouping strategies.
Education
Bachelor of Engineering - Computer Science and Engineering
PSNA College of Engineering And Technology
Dindigul, Tamil Nadu 08.2014 - 04.2018
Skills
Java
Timeline
Senior Software Engineer - Backend
Growfin.ai
06.2022 - Current
Senior Software Engineer - Backend
Freshworks Inc.
05.2021 - 06.2022
Member Technical Staff
Zoho Technologies Pvt. Ltd.
11.2019 - 05.2021
Member Technical Staff
Zoho Technologies Pvt. Ltd.
05.2018 - 11.2019
Intern - Software Developer
Zoho Technologies Pvt. Ltd.
01.2018 - 03.2018
Bachelor of Engineering - Computer Science and Engineering
PSNA College of Engineering And Technology
08.2014 - 04.2018
Similar Profiles
Surya KumarSurya Kumar
Senior Product Specialist at Growfin.aiSenior Product Specialist at Growfin.ai
Rakesh GauthamRakesh Gautham
Founding - Senior Business Development Specialist at Growfin.aiFounding - Senior Business Development Specialist at Growfin.ai
Srikanth PendyalaSrikanth Pendyala
Team Lead, Business Development at Growfin.aiTeam Lead, Business Development at Growfin.ai
CA Srimathi BCA Srimathi B
Assistant Manager at Maveric Systems LtdAssistant Manager at Maveric Systems Ltd
Hemavathy MHemavathy M
Senior Digital Content Creator (Business Analyst) at Fidelity InvestmentsSenior Digital Content Creator (Business Analyst) at Fidelity Investments