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Muaaz Saleem

Software Engineer
Berlin, Germany
linkedin.com/in/muaazsaleem
muaazsaleem@hey.com
+49 173 3212967
Customer focused Backend Engineer with a strong sense of collaboration.

Technologies

Languages
Go, Node.js, Python, Bash
Tools
Kubernetes (controllers), AWS, Grafana Cloud, Drone CI, Kafka
Skills
CI/CD, Distributed Systems, Cloud Computing

Work Experience

SauceLabs

Senior Software Engineer

Jun 2024 - Current
  • Released Android 15 globally to all customers on VDC
  • Debugging Android Emulated Graphics for some of our most important customers
  • Collaborating to create a roadmap for Android Emulators as a Service

Founding Engineer

Made 1K open-source JavaScript repositories available for Fine-Tuning via a gRPC API using Go, AWS & Docker Distribution on Kubernetes.

Software Engineer

Apr 2021 - Dec 2023
  • On-call for the platform that rolls out new versions, progressively, to 100,000+ Grafana instances across ~12 regions.
  • Reduced the time to readiness of new Grafana Cloud instances from minutes to seconds by optimizing the request path across multiple services receiving ~100 reqs/day using Go, Kafka & MySQL.
  • Migrated creation of Grafana Cloud instances from a synchronous legacy Node.js codebase to an asynchronous, fault-tolerant service in Go, iteratively & without disruption.
  • Researched, designed & POC-ed an approach to reduce the “Lead Time“ of new Grafana Cloud plugins from ~2 weeks to ~2 days.
  • Deployed the progressive rollouts service to new regions in AWS, Azure & GCP.

Software Engineer (C6)

  • On-call for 150+ Kubernetes clusters in 3 availability zones with automated upgrades.
  • To keep up critical social momentum for Zalando's migration to Kubernetes, built "kube-reporter", an email-based, reporting tool in Go & Google Apps Script to track the internal migration of 5000+ applications to Kubernetes.
  • To continuously validate HTTP config for 100s of applications, implemented a Validating Admission Webhook for RouteGroups, Zalando's alternative custom resource to Ingress for advanced HTTP routing. [Blog Posts]
  • To track cluster SLOs of 150+ clusters as Prometheus metrics, implemented "Kube-lifecycle-metrics", a client-go based application.
  • To secure Zalando against malicious DNS takeovers, built a tool to monitor AWS, Route53 Hosted Zone delegations in 300+ AWS accounts.

Software Engineer (C5)

Dec 2016 - Jun 2018
  • Showed the significant presence of Python at Zalando by deploying a proof of concept, data pipeline on Kubernetes.

    • Built using open-source components to visualize internal "Programming Language Traffic" based on GitHub API.

Software Engineer

  • On-call for Google Cloud Infrastructure, spanning 4k+ instances.
  • Increased build health transparency by visualization releases using the ELK stack.

Education

Bachelors in Software Engineer

National University of Science & Technology

Sep 2011 - Jun 2015