Janagan Heymendran
Engineeing Manager II at Circles
Colombo, Western Province, Sri Lanka
Summary
👤
Senior🎓
Top SchoolJanagan Heymendran is an experienced engineering manager with 11+ years building and scaling large-scale SaaS products across Telco, payments, analytics, observability, e-commerce and HRIS domains. He combines hands-on architecture and full-stack delivery with people leadership—hiring and mentoring teams, reducing contractor spend, and improving engagement while driving major platform migrations and cost savings. Notable wins include replacing a costly proprietary analytics system at Wiley to save an estimated USD 460K annually, designing JSON-driven declarative APIs and test frameworks, and pioneering LLM-based features for insight summarization. Comfortable leading 20+ engineers and cross-functional programs, he has a pattern of taking 0→1 products to production and resolving thorny operational challenges. Based in Colombo, Sri Lanka, he brings deep experience in cloud data platforms, microservices (SAGA patterns), and pragmatic innovation through POCs like federated SQL and Spark-on-S3.
11 years of coding experience
18 years of employment as a software developer
Master's Degree Computer Science, Master's Degree Computer Science at University of ColomboRoyal College Colombo
English, Tamil, Sinhalese
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (18)
chaos-engineering9
sdk9
chaos9
operator9
serverless8
pods8
site-reliability-engineering8
java8
golang8
chaos-mesh8
kubernetes7
specification7
cloud-native7
reliability7
microservices7
Programming languages (3)
Github contributions (5)
janaganh/my_repo
Feb 2019 - Nov 2023
Contributions:1 release, 2 pushes, 1 branch in 4 years 10 months
janaganh/genetic-travelling-salesman
Jul 2014 - Mar 2016
Contributions:2 commits, 1 push in 1 year 7 months
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