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Ahmed ToumiAT

Ahmed Toumi

Kafka Architect/DevOps & Java µ-services expert

€600/day
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Ahmed

KAFKA x3 Certified ARCHITECT & DEVOPS | Java/springboot µ-services Expert | SaaS Helper

I support your teams in designing, developing, and optimizing event-driven Java/Spring Boot & Kafka architectures. Specialist in microservices, their automation, and monitoring, I secure your real-time data flows, improve performance and observability, and handle audits, redesigns, Kafka Connect integration, and coaching.

  • French

    Native or bilingual

  • English

    Fluent

  • Arabic

    Native or bilingual

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

Experience

  • Stime – Groupement Les Mousquetaires
    Kafka Architect/DevOps
    March 2023 - Today (3 years and 3 months)
    92320 Châtillon, France
    • Administer and audit Kafka clusters, Schema Registry & +4k Kafka Connect Clusters
    • Implementing SASL security (authentication & authorizations / ACLs)
    • Managing Schemas compatibilities and evolutions
    • Good practices on topics, groups and Acls management/naming
    • CI/CD & automation with Helm, Ansible, GitLab CI
    • Monitoring with Prometheus, Alert-manager, Dynatrace, GRAFANA
    • DRP strategy for stretch clusters and for component on K8S too (affinities)
    • Rolling Upgrades on all components (Brokers, Zookeepers, Kafka Connect & Schema Registry)
    • Tuning Kafka Connectors & Kafka Streams
    • Developing custom SMT, custom connectors and leading/helping on Kafka Streams design and development
    • L3/L2 support
    • Solace: N3 support (Queues/topics, bridges, users, ACLs, Kafka connectors…)
    Kubernetes Apache Kafka Java Ansible Helm
  • Amadeus
    Kafka Expert / DevOps
    February 2022 - March 2023 (1 year and 1 month)
    Nice, France
    • Managed 100s of Kafka clusters via Strimzi (deployment-set , pod-set)
    • Secured environments with TLS/OAUTH (and Kerberos for legacy clusters) + ACLs
    • Azure App/Ouath
    • On-call L2/L3 support for Kafka Connect & Streams
    • Helm for strimzi on cloud Openshift (using bitbucket and ArgoCD for automation)
    • Jenkins / Bitbucket
    • Ansible for Legacy Kafka Clusters on Prem
    • Documenting and testing the Zookeepr to Kraft migration steps
    • MM2 to centralizing Data
    • Cruise Control for re-balancing Custers Data/Partitions
    Apache Kafka Helm Ansible Argo CD Argos
  • Stime
    Data Streaming Expert (Kafka)
    October 2020 - January 2022 (1 year and 3 months)
    92320 Châtillon, France
    • Modeling data flows
    • Managing Schema evolutions (AVRO)
    • Kafka Connect (Couchbase, JDBC, REST, Solace, Mirroring...), SMT
    • Developing & Tuning Kafka Streams (Joins, KTables, RocksDB…)
    • CI/CD & automation with Helm, GitLab CI Kustomize/Helm
    • Perf tests (kafka streams, storage types for stateful kafka-streams, kafka connectors, Couchbase)
    • Throttling
    Apache Kafka Kubernetes Spring boot Couchbase Solace

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Education

  • Kafka x3 Certified Architect & DevOps
    Kafka x3 Certified Architect & DevOps
  • Microservices Expert
    Microservices Expert

Skill set

Categories