Available to hire
I’m Guillaume Abdoulhoussen, a data professional with 7+ years of experience delivering results in Internet/Fintech and SaaS environments. I combine software and data engineering principles to design scalable data platforms and maintainable infrastructure that empower teams to make data-driven decisions.
I’m passionate about driving impactful data projects and I’m seeking remote opportunities in Data & Analytics Engineering within a collaborative, product-focused environment. Detailed cover letter: Website not available. Sign in: https://www.twine.net/signup
Skills
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Language
English
Fluent
Work Experience
Senior Data Analytics Engineer at Wakam
July 1, 2025 - July 1, 2025Mentored a team of 5 Data & Analytics Engineers on best practices and project delivery. Built dbt Core, Snowflake & SQL guidelines for the data office (~30 people). Set up and optimized Python CI/CD pipelines, reducing runtime from 20 minutes to 5 minutes. Automated data documentation with Python, improving data governance. Contributed to the architecture of a CORE data model focused on insurance products and policies. Led the development of a data quality testing system, reducing data quality issues by 50%. Defined and built KPIs & data products with business teams, enhancing performance insights. Designed ELT data pipelines with Prefect, improving data accuracy by 25%. Implemented observability to monitor Snowflake performance and costs (cost reductions of ~20%). Developed an internal CLI tool to streamline data platform operations. Led data platform projects enabling faster business decisions (+30% reporting efficiency).
Analytics Engineer at SumUp
February 1, 2024 - February 1, 2024Collaborated with multiple tribes to gather requirements and build KPI trees. Contributed to dbt & SQL conventions in a data mesh architecture. Created incremental & transactional models for data analysts & Finance reporting (handling +10M daily rows). Built and managed ELT data pipelines with Airflow & dbt. Created dbt macros to store product & business logics for dbt projects. Built CI pipelines to lint & test modified dbt models changes for a squad of 20 people.
Senior Data Analyst / BI Engineer at Qonto
September 1, 2023 - September 1, 2023Reviewed and enhanced data modeling practices to achieve a single source of truth. Built data lineage and dbt models from raw data to datamart. Contributed to standards, best practices and code style guides. Automated Tableau workbook refreshes with Airflow (over 100 automated extracts). Helped model data for ~15 Company OKRs and ~80 Finance KPIs with C-level stakeholders.
BI Engineer at JobTeaser
May 1, 2022 - May 1, 2022Collaborated with data teams to collect needs on tables & KPIs for end users. Delivered BI database tables with Data Engineers, starting with dimension tables. Redesigned global data model and documented it. Enhanced Tableau Embedded dashboards used for product data exposition. Gathered needs of product squads for future embedded analytics dashboards.
ADVANCED Schema, Data & BI Consultant at ADVANCED Schema
December 31, 2021 - December 31, 2021Missions within major Banking, Finance and Retail accounts. Created, scheduled and monitored data pipelines. Reported on data integration, freshness and platform observability. Managed team operations on ETL reporting and data warehousing projects. Led data modeling and design for data warehouse concepts. Improved SQL performance through code reviews and execution plans. Developed data visualisation apps for Finance, Pricing and Supply Chain; built automations to refresh Power BI dashboards with Bash scripting and Azure/Power BI APIs.
Senior Data Analytics Engineer at Wakam
February 1, 2024 - July 1, 2025Led data platform projects enabling faster business decisions with 30% reporting efficiency gains. Mentored a team of 5 Data & Analytics Engineers on best practices. Established dbt Core, Snowflake and SQL guidelines for the data office (~30 people). Set up and optimized Python CI/CD pipelines, reducing runtime from 20 minutes to 5 minutes. Automated data documentation with Python to improve governance. Contributed to architecture of a CORE data model based on insurance products and policies. Led development of a data quality testing system, reducing data quality issues by 50%. Defined and built KPIs and data products with business teams. Designed ELT pipelines with Prefect to improve data accuracy by 25% and implemented observability to monitor Snowflake performance and costs (reducing costs by 20%). Developed an internal CLI tool to streamline data platform operations.
Analytics Engineer at SumUp
October 1, 2023 - February 1, 2024Collaborated with tribes to gather requirements and build KPI trees. Contributed to dbt & SQL conventions in a data mesh architecture. Created incremental and transactional models for analytics & Finance reporting (>10M daily rows). Built and managed ELT data pipelines with Airflow & dbt. Created dbt macros to store product & business logics for dbt projects. Built CI pipeline to lint & test modified dbt models changes for a squad of 20 people.
Senior Data Analyst / BI Engineer at Qonto
September 1, 2022 - September 1, 2023Reviewed and enhanced data modeling practices to establish a single source of truth. Built data lineage & dbt models from raw to datamart. Contributed to best practices, standards & code style guide. Automated Tableau workbook refreshes with Airflow (over 100 automated extracts). Automated the monthly financial closing with dedicated data products (reduced from 2 days to 30 minutes). Contributed to data models for ~15 Company OKRs and ~80 Finance KPIs with C-level stakeholders.
Data & BI Consultant at ADVANCED Schema
January 1, 2019 - December 1, 2021Led data integration and ETL projects for Banking, Finance and Retail accounts; scheduled and monitored data pipelines; reported on data freshness and platform observability. Managed team operations on ETL/data warehousing projects; led data modeling and design for data warehouse concepts; improved SQL performance and query efficiency; developed data visualizations for Finance, Pricing and Supply Chain; built automations to refresh Power BI dashboards with Bash scripting and Azure/Power BI APIs.
Education
Master's degree in Digital Marketing at INSEEC Grande Ecole
January 1, 2014 - January 1, 2017Bachelor's degree in Engineering Sciences at CY Cergy Paris Université
January 1, 2011 - January 1, 2014High School Diploma in Sciences at Le Corbusier High School
January 1, 2009 - January 1, 2010Master's degree at INSEEC Grande Ecole
January 1, 2014 - January 1, 2017Bachelor's degree at CY Cergy Paris Université
January 1, 2011 - January 1, 2014High School Diploma at Le Corbusier High School
January 1, 2009 - January 1, 2010Qualifications
DeepLearning.AI Data Engineering Specialization
March 1, 2025 - November 21, 2025Apache Airflow DAG Authoring
November 1, 2024 - November 21, 2025Apache Airflow Fundamentals
August 1, 2023 - November 21, 2025Analytics Engineering Bootcamp
September 1, 2022 - November 21, 2025Data Engineer with Python Track
July 1, 2022 - November 21, 2025dbt Fundamentals
July 1, 2022 - November 21, 2025TOEIC
December 1, 2015 - November 21, 2025DeepLearning.AI Data Engineering Specialization
January 11, 2030 - March 1, 2025Apache Airflow DAG Authoring
January 11, 2030 - November 1, 2024Apache Airflow Fundamentals
January 11, 2030 - August 1, 2023Analytics Engineering Bootcamp
January 11, 2030 - September 1, 2022Data Engineer with Python Track
January 11, 2030 - July 1, 2022dbt Fundamentals
January 11, 2030 - July 1, 2022TOEIC
January 11, 2030 - January 8, 2026Industry Experience
Software & Internet, Financial Services, Professional Services, Media & Entertainment, Other
Skills
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