Sandeep Rajan
Software Engineer at Meta
United States
Summary
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Rockstar🎓
Top SchoolSandeep Rajan is a software engineer with 8 years of experience currently at Meta, specializing in cloud-native infrastructure, Kubernetes, Go, Docker, and networking. He has a strong track record of contributing to high-profile open-source projects—most notably CoreDNS and Kubernetes—where he has improved DNS integration, deployment manifests, and test coverage that impact production-grade container orchestration. Prior roles at Infoblox and Ericsson honed his operational and deployment skills, from managing large-scale upgrades to emergency troubleshooting in live systems. He combines backend engineering and DevOps expertise with a research-oriented MS in Telecommunications, enabling him to bridge protocol-level networking concerns with pragmatic cloud deployments. Notably, his contributions to making CoreDNS the default DNS provider in kOps and adding Kubernetes-focused tests reflect a focus on reliability and long-term maintainability.
8 years of coding experience
6 years of employment as a software developer
Bachelor of Technology (BTech), Electrical, Electronics and Communications Engineering, Bachelor of Technology (BTech), Electrical, Electronics and Communications Engineering at Vellore Institute of TechnologyThe University of Maryland, College Park
English, Hindi, Tamil, German
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (21)
unit-testing10
kubernetes10
docker10
kops10
deploying10
testing10
bash10
coredns10
dockers10
cicd10
plugin10
cnc10
automation10
go10
dns10
Programming languages (6)
Github contributions (5)
coredns/deployment
Apr 2018 - Nov 2021
Scripts, utilities, and examples for deploying CoreDNS.
Role in this project:
DevOps Engineer
DevOps EngineerContributions:11 reviews, 42 commits, 47 PRs in 3 years 7 months
Contributions summary:Sandeep primarily focused on updating the deployment manifests and scripts for CoreDNS within a Kubernetes environment. Their contributions involved modifying YAML files, updating the CoreDNS version, and implementing changes related to service accounts and anti-affinity settings. They also introduced and modified deployment scripts to facilitate CoreDNS deployment. The user's work ensured the deployment's stability, and compatibility.
corednsdeployingaws
coredns/coredns
Aug 2017 - Jun 2020
CoreDNS is a DNS server that chains plugins
Role in this project:Backend & QA Engineer
Backend & QA EngineerContributions:15 reviews, 13 commits, 25 PRs in 2 years 10 months
Contributions summary:Sandeep primarily contributed to the CoreDNS project by adding new test coverage for TXT records and developing unit tests for Kubernetes middleware, specifically focused on Pod-related functionalities. They also implemented checks for RR validation in integration tests. Further contributions included indexing services and endpoints, and refactoring code. Their work primarily focused on improving the DNS server's testing and its integration with Kubernetes.
dnspluginchainsdns-servercncf
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