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Assala Energy

Petroleum Data Scientist

On site

Paris, France

Freelance

04-02-2026

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Skills

Communication Python PyCharm SQL Data Engineering CI/CD Monitoring Quality Assurance Architecture Data Architecture Databases git power bi Azure AWS Numpy Pandas Analytics Snowflake Data Science Databricks ETL Processes

Job Specifications

Assala Energy is a dynamic Oil and Gas Exploration and Production company committed to the sustainable development of its assets in Gabon. We value a collaborative approach, promote diversity, and prioritize safety and integrity in all our operations.

To support the creation and development of data‑driven initiatives and facilitate the transition of business processes toward a "Data‑Driven" methodology, the consultant will provide predictive analytics, data engineering, BI development, and data quality assurance.

This is a contract opportunity offered subject to IR35 compliance checks.

Service Overview

The consultant will:

Deliver across end‑to‑end data management systems for BI projects
Develop a global understanding of business processes to identify, support, and prioritise BI initiatives
Provide technical expertise to our Operations, Finance, Logistics, and other departments
Facilitate the organisation's transition toward a data‑driven culture and methodology
Collaborate with the Data Engineer in developing architecture, processes, and data workflows

Scope of Work & Deliverables

Main Deliverables

Propose decision‑support analysis solutions in collaboration with business teams
Ensure QA/QC of all datasets used for BI, analytics and predictive modelling developments
Identify and develop predictive systems to support the industrialisation, production, storage and maintenance of ML models
Develop data enrichment pipelines and consolidate databases to ensure reliable data sources for reporting
Collaborate with the Data Engineer to design and build the data platform infrastructure, data architecture and ETL processes
Design and manage the company's Data Warehouse
Create, maintain and develop reports, dashboards, KPIs, monitoring and visualisation tools, mainly using Power BI
Deliver BI tools first for Operations and then extend support to other departments upon request and approval
Integration of new asset data into existing reports
Finance / Cost Control KPI Dashboard
Daily & Weekly reporting standardisation and improvement
Logistics KPI Dashboard (POB, passenger flows, goods movement)

Full scope of work with deliverables and objectives will be made available during a technical validation meeting.

Requirements

Master's degree in Computer Science or equivalent field
Experience in data engineering or data science consulting
Strong expertise with ETL pipeline development and cloud-based environments (Azure, AWS, Databricks, Snowflake)
Python (numpy, pandas, scikit‑learn)
SQL, dimensional modelling
Power BI
Git, CI/CD
VSCode or PyCharm
Data Warehouse design & architecture

Profile

Detail‑oriented, autonomous, and service‑focused
Strong communication
Curious, proactive, and collaborative
Strong problem‑solving mindset and client‑focused approach

About the Company

Assala Energy is an oil exploration and production company. Assala Energy’s operational strategy is to increase production and reserves, by redeveloping fields, unlocking the value within and around producing assets and extending field life. Know more