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Amine LajmiAL

Amine Lajmi

Software Architect | Data Engineer | Kafka & Flink

€800/day
7 projects
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Amine

Software and data engineer architect with over 15 years of experience on complex systems in production, in demanding environments: finance, energy, logistics, health.
I offer hands-on training on Apache Kafka, Apache Flink, and Databricks for data engineering teams. Each session is tailored to the team's stack and real-world challenges.
I also take on senior architecture and tech lead roles on projects involving real-time pipelines, developer tooling, and cloud infrastructure.
PhD in Computer Science · Paris
  • French

    Native or bilingual

  • English

    Fluent

  • German

    Basic

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

Experience

  • Doctolib
    Data Architect
    SOFTWARE PUBLISHING
    November 2024 - March 2025 (4 months)
    Levallois-Perret, France
    Industrialization of a Kafka pipeline PoC for real-time and batch data synchronization between the Doctolib monolith and OpenSearch.
    • Development of a Kafka consumer to manage OpenSearch index updates in real-time and batch modes
    • Design of a data flow simulator to test the consumer on various business scenarios
    • Deployment of the consumer and simulator on AWS EKS, with infrastructure automated via Terraform
    • Implementation of an end-to-end testing strategy (Kafka, consumer, simulator, Schema Registry)
    • Definition of custom metrics and integration into ELK and Datadog dashboards for monitoring
    Java Spring Apache Kafka Kafka Streams Opensearch
  • Geopost
    Tech Lead / Data Engineer
    LOGISTICS AND SUPPLY CHAIN
    January 2024 - September 2024 (8 months)
    Issy-les-Moulineaux, France
    Overhaul of a solution for real-time tracking of food package deliveries
    • Scoping of needs, architecture design, data pipeline modeling
    • Database design, optimization for time series
    • Development of microservices: event correlation, data persistence
    • Development of an integration testing library in Gherkin on Cucumber
    Spring Apache Kafka Redis Kafka Streams Apache Flink
  • Nuant
    Tech Lead / Data Engineer
    BANKING AND INSURANCE
    March 2021 - December 2022 (1 year and 10 months)
    Zoug, Switzerland
    • Responsible for the Web IDE project, an integrated development environment and dedicated language for creating metrics and analyses on blockchain data. My role involved scoping the need, proposing a PoC, recruiting the team, managing subcontractors, and leading the project (6 people).
    • Responsible for industrializing a blockchain transaction monitoring PoC (KYC): overseeing this phase until the API went into production (4 people).
    • Development and optimization of transaction graph analysis scripts with Spark Dataframes and GraphX to detect fraudulent paths.
    • Development of a dedicated language (DSL) for querying pre-calculated metrics.
    • Development of microservices for calculating metrics (volatility, correlation) from real-time asset price streams.
    Apache Kafka Apache Flink Python AWS ECS Databricks

Recommendations

PB
ML
Idrissa DiengID
Pierre Bergey and 2 other people have recommended Amine

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Education

  • PhD Thesis
    Université Pierre & Marie Curie
    2009
    Docteur de l'Université Paris VI, spécialité Informatique, Télécommunications et Electronique
  • Research Master
    Université Paris Dauphine
    2006
    Intelligence Artificielle : Systèmes Multi-Agents & Data Mining

Skill set

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