Karthik Subramanian
Senior Software Engineer, Platform
karthik.s@example.com | +91 98400 90123 | Chennai, Tamil Nadu | linkedin.com/in/karthiks | github.com/karthiks
Professional Summary
Senior software engineer with 10 years in distributed systems and developer platforms. Led the move of a 300-service platform to Kubernetes and cut deploy time from 45 minutes to 6. Looking for a staff or principal engineer role.
Work Experience
Zentrix Cloud, Chennai
- Led the platform team's move of 300 services to Kubernetes; deploy time fell from 45 to 6 minutes.
- Designed the internal developer portal used by 900 engineers to create, deploy and monitor services.
- Cut cloud spend by 22% (Rs 9 crore a year) with autoscaling and right-sizing.
- Wrote the incident review process now used across engineering; repeat incidents fell by half.
- Interview and mentor engineers; 4 mentees promoted.
Freshline SaaS, Chennai
- Built the event pipeline (Kafka, Go) handling 2 billion events a day.
- Owned on-call for billing; brought incidents down from 9 to 2 a month.
- Moved the team from manual releases to CI/CD with GitHub Actions.
Infosys, Chennai
- Built Java services for a US bank's payments platform.
- Automated regression tests, cutting the release cycle from 4 weeks to 2.
Education
Projects
CLI that shows Kubernetes cost per team; 1,400 GitHub stars.
github.com/karthiks/kube-cost-report
"Moving 300 services to Kubernetes without a freeze", a 30-minute talk.
Skills
Go · Java · Kubernetes · Terraform · AWS · Kafka · PostgreSQL · gRPC · Observability · System design · CI/CD
Certifications
- Certified Kubernetes Administrator, CNCF, 2022
- AWS Solutions Architect, Professional, Amazon Web Services, 2023
Languages
English, Tamil, Hindi
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