Abdellhak Tlili

Experienced Data Engineer with a strong background in sustainable finance (CACIB, ESG) and transport (RATP).

Specializing in Big Data (Java, Scala, Spark), Databricks, and Cloud (AWS), I design and deploy scalable, reliable, and high-performance data pipelines, adapted to all types of projects, whether in finance, transport, or industry.

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⚙️ Technical Skills

Languages & Frameworks: Java (21), Scala, Spring Boot, SQL, PL/SQL

Big Data & Cloud: Apache Spark, Databricks, AWS, massive job optimization

Architecture & Integration: REST APIs, microservices, CI/CD, authentication (OAuth2, JWT)

Methodologies: Agile/Scrum, Git, DevOps

Business Domains: ESG / sustainable finance, asset management, decision-making reporting

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🏦 Professional Experience

🔹 Data Engineer – CACIB (ESG Finance)

Design and industrialization of Java & Spark pipelines for ESG data aggregation.

Optimization of Spark processing for regulatory reporting and sustainable finance.

Implementation of secure Spring Boot solutions for exposing non-financial data.

🔹 Data Engineer – RATP (Asset Management & Decision Support)

Design and implementation of an asset stock depreciation system based on a decision-making algorithm.

Integration of data from multiple group IT systems.

Distributed processing in Scala + Spark for reading and analyzing data.

Deployment on Databricks (AWS).

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✅ What I can bring to your projects

Development of high-performance and scalable data pipelines (Java/Scala/Spark).

Implementation of Big Data platforms on Databricks/AWS.

Optimization of distributed processing and cost reduction.

Expertise in various sectors: finance, ESG, transport, industry.

📍 Availability

Open to all types of freelance assignments, short or long, remote or on-site:

Micro-tasks, one-off assignments, or complete projects

Coaching or Data Engineering training.