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Malt Strategy
Amin KosariAK

Amin Kosari

Lead DevOps Engineer

€500/day
Berlin, DE
8-15 years
Amazon Web Services (AWS)
Kubernetes
Terraform
CI/CD
Monitoring

Average response time: 1 hour

About Amin

Lead DevOps/Platform Engineer with 7 years of experience helping startups and engineering teams build scalable cloud infrastructure, improve reliability, optimize cloud costs, and accelerate delivery. Specialized in platform engineering, cloud infrastructure, MVP development, and hands-on execution of technical projects.
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Lead DevOps / Platform Engineer mit 7 Jahren Erfahrung im Aufbau und der Skalierung moderner Cloud-Infrastrukturen für Startups und Engineering-Teams. Schwerpunkt auf Platform Engineering, Cloud-Infrastruktur, MVP-Entwicklung, Kostenoptimierung sowie der hands-on Umsetzung technischer Projekte zur Verbesserung von Stabilität, Zuverlässigkeit und Delivery-Geschwindigkeit
Digital and IT Services

  • English

    Native or bilingual

  • German

    Fluent

  • Persian

    Native or bilingual

Can work on-site
Berlin (up to 50km)

Experience

  • JobRad Leasing GmbH
    Senior/Lead DevOps Engineer
    July 2024 - Today (1 year and 11 months)
    79 Freiburg im Breisgau, Germany
    Lead DevOps Engineer (Sep 2025 – Present)
    ● Leading and mentoring two DevOps engineers, setting technical direction and reviewing infrastructure and platform
    changes
    ● Driving platform architecture decisions, infrastructure roadmap planning, and cross-team technical alignment to
    support scalability, reliability, and engineering productivity
    ● Architecting and operating a modern, secure, and highly available AWS-based platform supporting the JobRad bicycle
    leasing business
    ● Ensuring DORA/aligned delivery metrics, security compliance, and operational excellence across all environments
    Senior DevOps Engineer (July 2024 – Sep 2025)
    ● Built the entire AWS infrastructure from scratch as the sole DevOps engineer, establishing Terraform-based IaC, CI/CD
    pipelines, and deployment workflows for a 10-engineer product team
    ● Led a zero-downtime migration to AWS and refactored the full Terraform codebase, reducing infrastructure costs by
    ~40% while improving deployment speed and resource utilization
    ● Architected and operated the entire production platform on AWS Kubernetes (EKS), ensuring scalability, high
    availability, observability, and reliable application delivery
    ● Implemented AWS and Kubernetes security best practices, enabling the platform to pass external penetration tests
    and achieve Security and DORA certifications
    Terraform Amazon Web Services (AWS) Terraform
  • Bayes Esports Solutions GmbH
    DevOps Engineer
    December 2023 - June 2024 (6 months)
    Hybrid City Lab, Berlin, Germany
    A top global esports data provider supplies exceptional data to over 450 clients, like Google, bet365, and Dota.
    • ● Configured and automated AWS multi-region accounts using Terraform, optimizing costs, ensuring high availability, and streamlining infrastructure management.
    • ● Managed and optimized four Kubernetes clusters, handling setup, deployments, security, and efficient container orchestration.
    • ● Led incident management and monitoring by integrating ELK Stack, Prometheus-Grafana, and CloudWatch, enabling real-time analysis and rapid issue resolution to ensure system reliability.
  • Snapp!
    Site Reliability Engineer
    June 2022 - September 2023 (1 year and 3 months)
    Tehran, Tehran Province, Iran
    • ● Designed and implemented observability solutions, integrating monitoring, logging, and OpenTracing with Grafana, Prometheus, and Loki, reducing downtime by 24% and ensuring 24/7 system reliability.
    • ● Managed and optimized multi-region Kubernetes clusters, including hybrid cloud (on-prem & public), troubleshooting staging environments and deploying updates for improved stability.
Check out Amin's experience

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Education

  • Permanent Residence Permit Holder, AWS Architect Certified
    Permanent Residence Permit Holder, AWS Architect Certified
  • Bachelor's Degree in Physics
    AmirKabir University of Technology
    2021
    Bachelor's Degree in Physics
Check out Amin's education

Certifications

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