Jithil Sajan

Senior Software Engineer

Pune, Maharashtra, India4 yrs 5 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

Expert in building scalable microservices with Golang.
Proven track record in CI/CD and DevEx initiatives.
Skilled in Kubernetes-native tooling and cloud-native systems.

Stackforce AI infers this person is a Backend-heavy Fullstack Engineer specializing in SaaS and cloud-native technologies.

Contact

jithil.sajan@coupa.com LinkedIn

Skills

Core Skills

KubernetesAwsGitopsTest Automation

Other Skills

API GatewaysAWS EKSAmazon ECSAmazon Web Services (AWS)ArgoCDCapistranoContinuous Integration and Continuous Delivery (CI/CD)Distributed SystemsEnd-to-end TestingGloo Edge API GatewayGo (Programming Language)Integration TestingJavaJenkinsKafka

About

Senior Software Engineer with 4 years of experience in backend engineering and developer productivity, currently driving DevEx and CI/CD initiatives at Coupa Software. Specializes in building scalable microservices and Kubernetes-native tooling using Golang, AWS, and GitOps practices. Proven track record in designing cost-effective, resilient cloud-native systems and automating deployment pipelines that enhance productivity and reduce infrastructure costs.

Experience

Coupa

3 roles

Senior Software Engineer, Technology Platform

Sep 2025 – Present · 6 mos

Contributed to migration of EC2 based application servers to Kubernetes hosted multi-tenant app servers.
Implemented NGINX Ingress specific routing and traffic control properties in Gloo Edge API Gateway
as part of the ingress-to-gateway migration, ensuring a seamless service cutover.
Designed and implemented a spam/bounced email archival mechanism using Ruby on Rails + AWS S3 batch operations reducing cloud storage costs

KubernetesAWSRuby on RailsNGINXGloo Edge API Gateway

Senior Software Engineer, DevEx and Productivity Engineering

Promoted

Mar 2024 – Present · 2 yrs

Led migration of a legacy CI/CD system to a GitOps pipeline on AWS EKS with ArgoCD, reducing infrastructure costs.
Developed custom Kubernetes Operators in Go to manage service lifecycle automation.
Automated DNS and VPC networking setup for new services using internal tooling.
Migrated Elasticsearch from EC2 to Kubernetes for improved scalability and maintainability.
Built high-performance RESTful microservices in Go, integrating Redis and Kafka.
Moved Kubernetes pod logging to New Relic, improving observability and MTTR.

GitOpsAWS EKSArgoCDKubernetes OperatorsRedisKafka+1

Software Development Engineer In Test

Oct 2021 – Mar 2024 · 2 yrs 5 mos

Validated and automated crucial platform features/workflows like background jobs infrastructure on EC2 servers and Kubernetes, email processing, data encryption and decryption, server orchestration and compliances, database migrations, functional microservices, etc.
Contributed towards automating the stack certification cycles thus reducing the time and effort required to certify each new stack cycle every sprint.
Used open-source tools to develop automation scripts and leveraged the Capistrano framework for remote test execution.
Performed reliability, performance and stress testing of critical tools like database connection throttlers and app server rate limiting.
Debugged priority issues by reviewing code/configuration files, logs and metrics to determine breakdown source.
Validated and automated test suites that address areas such as reliability scenarios, regression testing, negative testing and error scenarios.

Test AutomationPerformance TestingCapistranoKubernetes