ANGE-RAPHAËL LOUANNE
Paris,France
Summary
Data Engineer with over 5 years of experience developing real-time distributed systems within fintech environments. Strong expertise in Python, AWS, and event-driven architectures for financial data pipelines. Exposure to quantitative finance through financial analytics and ML workflows, with a strong interest in market data & signal generation
Overview
8
8
years of professional experience
3
3
years of post-secondary education
1
1
Certification
Work history
Data Engineer (CDI)
iBanFirst
Paris, France
2022.10 - Current
- Designed and operated real-time intraday data pipelines for FX and payment flows (SWIFT, SEPA) using Kafka and Python
- Built scalable systems to compute financial KPIs (revenue, gross margin, risk metrics)
- Built a machine learning model for client churn risk prediction (0–100%) over a 3-month time horizon using time-series behavioral and transactional features, enabling proactive retention actions
- Developed event-driven architectures for transaction tracking and client behavior analytics
- Implemented scalable data transformations using DBT on Snowflake
- Built and automated regulatory reporting pipelines across multiple countries (payments, fraud detection, safeguarding, instant payments)
- Ensured compliance with local regulatory requirements across multiple jurisdictions
- Built and maintained REST APIs for internal financial data services
- Improved system reliability through monitoring and alerting (Grafana, Prometheus)
- Collaborated with data and ML teams on data quality, feature engineering, and predictive analytics workflows
- Tech stack: Python, Kafka, DBT, Snowflake, Airflow, SQL, APIs, Elasticsearch, Docker, Linux Monitoring: Grafana, Prometheus Exposure: Go, Java, ML workflows, feature engineering, time-series data
Data Engineer (Apprenticeship)
Azatys
Paris, France
2021.09 - 2022.12
- Designed and delivered cloud-native data pipelines for business-critical data ingestion and processing
- Built AWS-based ETL workflows (S3, Lambda, Glue, EC2, CloudWatch)
- Enabled data-driven decision-making systems improving client revenue and operations
- Tech stack: AWS, Python, SQL
Software engineer (Fixed-term contract)
BAUS INT'L
Chelles, France
2020.01 - 2021.01
- Migrated legacy .NET system to React-based architecture
- Developed mobile delivery tracking application (React Native)
- Built real-time logistics tracking system using Kafka
- Developed backend services and APIs
- Tech stack: React, React Native, Kafka, Node.js, .NET, APIs, Linux
Software Engineer
INEXA CI
Abidjan, Ivory Coast
2018.01 - 2020.01
- Built web and mobile applications across full lifecycle
- Developed backend systems and REST APIs
- Tech stack: Flutter, Angular, Node.js, Spring
Education
Master 2 - Big Data / Data Engineering
IPSSI
Paris, France 2021.01 - 2022.01
Master 1 - Data Science for Finance
ESG Finance
Paris, France 2020.01 - 2021.01
Master - Software Engineering
ESATIC
Abidjan, Ivory Coast 2019.01 - 2020.01
Skills
- Programming languages: Python, SQL, Go, Java, C
- Data processing: Kafka, DBT, Snowflake, Airflow, Elasticsearch, Relational DB
- Cloud infrastructure: AWS (S3, Lambda, Glue, EC2, CloudWatch), Docker, Linux
- Frontend development: React, React Native
- Monitoring tools: Grafana, Prometheus
Certification
AWS Certified Solutions Architect – Associate
Timeline
Data Engineer (CDI)
iBanFirst
2022.10 - Current
Data Engineer (Apprenticeship)
Azatys
2021.09 - 2022.12
Master 2 - Big Data / Data Engineering
IPSSI
2021.01 - 2022.01
Master 1 - Data Science for Finance
ESG Finance
2020.01 - 2021.01
Software engineer (Fixed-term contract)
BAUS INT'L
2020.01 - 2021.01
Master - Software Engineering
ESATIC
2019.01 - 2020.01
Software Engineer
INEXA CI
2018.01 - 2020.01