Hossain Mahmud
Senior Backend Engineer at Cielara AI
Dhaka, Dhaka Division, Bangladesh
Summary
🤩
Rockstar🎓
Top SchoolHossain Mahmud is a backend and DevOps-focused software engineer with seven years of experience building cloud-native backup and recovery systems and observability pipelines. He led the development of Stash 2.0 (KubeStash) at AppsCode, implemented advanced features like PITR for MariaDB, and contributed deeply to Kubernetes operator/controller tooling and RBAC/CSI integrations. Currently at Cielara AI, he’s integrating compute metrics ingestion for AWS while also contributing to research efforts at Causal Dynamics Lab. A consistent open-source maintainer, he has practical experience fixing tricky volume/timeout issues and adding pod service-account support for cloud APIs in widely used Kubernetes backup tooling. Based in Dhaka, he combines hands-on Go engineering with on-call runbooks and diagnostics that speed incident response.
7 years of coding experience
4 years of employment as a software developer
Higher Secondary Certificate Science, Higher Secondary Certificate Science at Notre Dame CollegeBachelor of Science - BS Information and Communication Technology, Bachelor of Science - BS Information and Communication Technology at Bangladesh University of Professionals (BUP)
English, Bengali
Stackoverflow
81reputation
4kreached
2answers
2questions
Github Skills (15)
kubernetes10
backup10
go10
devops10
recovery10
kubernetes-pods10
rest-client9
api8
cloud-infrastructure8
cloud-services8
apidoc8
unit-testing6
kubebuilder6
client-go6
mocking6
Programming languages (7)
Github contributions (5)
stashed/stash
Oct 2021 - Jan 2023
🛅 Backup your Kubernetes Stateful Applications
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:13 reviews, 11 commits, 10 PRs in 1 year 3 months
Contributions summary:Hossain primarily contributed to the Stash project by addressing various issues and implementing enhancements related to Kubernetes backup and restore functionality. Their work involved fixing bugs in the cleanup process, updating module dependencies, and adding support for cloud API calls using pod service accounts. Additionally, they made improvements to the backup and restore processes by adding timeouts and addressing temporary volume issues. They also made changes to the rolebindings and other rbac related configurations.
resticappscoderestorekubernetesstateful
ops-center/runbooks
Aug 2024 - Jan 2025
Contributions:25 reviews, 39 PRs, 45 pushes in 4 months
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