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Dorian LagadecDL

Dorian Lagadec

Data Engineer - Data Analytics - Quant Finance

€900/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Dorian

Consultant Data Freelance | Data Science, Engineering & Analytics

Data scientist by training, full-stack developer by passion, and process simplifier by accident! 🎯

With a background ranging from financial markets to sustainable investments, and from algorithm modernization to task automation, I've acquired a wide range of skills in data science, data engineering, quantitative finance, and more. I can navigate as well in Python code as in the intricacies of market microstructure.

🔹 Skills:

Soft Skills:
Effective communication with diverse teams
Complex and multidisciplinary project management
Ability to simplify complex concepts
Team spirit and international collaboration

Data Science:
Data analysis and predictive modeling
Machine learning and statistical learning
High-frequency data processing
Tools: Python, Scikit-Learn, Bash, Airflow, ...

Programming:
Languages: Python, Bash, VBA
Full-stack development (Django, React)
Process and script automation
Tools: Docker, APIs

Finance:
Market analysis and statistical arbitrage strategies
Portfolio management and asset allocation
Economic nowcasting and behavioral finance

What can I bring to your team? The ability to transform complex ideas into concrete solutions, a passion for optimization (of processes, algorithms, performance... and perhaps even the coffee machine!), and a sense of humor to lighten the mood during the most intense sprints. 🚀
  • French

    Native or bilingual

  • English

    Fluent

  • German

    Basic

Can work on-site
Paris (up to 10km)

Experience

  • Morgan Stanley
    Data Strategist - eTrading - Associate
    BANKING AND INSURANCE
    November 2021 - July 2024 (2 years and 8 months)
    Montréal, Canada
    As a Data Strategist at Morgan Stanley, I supported and enhanced the work of two teams. My efforts were split between a global data engineering department and a team dedicated to US electronic rates in NYC.

    🔹 Key Contributions:

    🔍 Data Engineering:
    Collaborated with a global team to deliver unified, low-latency data applications, enabling seamless data cataloging, querying, analysis, and curation across desks. Ensured data quality for optimal decision-making.

    📈 Trading Systems:
    Supported the development of systematic trading and hedging systems for the US rates team, enhancing traders' ability to leverage statistical signals. My machine learning research directly contributed to PnL improvement.

    🛠️ Process Improvement:
    Assisted in the adoption of best practices for coding, documentation, testing, and continuous delivery within the trading team, promoting more efficient development methodologies.

    🤝 Collaboration:
    Facilitated teamwork between global teams, including data engineers, software engineers, modelers, and risk managers, ensuring the success of complex projects.

    🔹 Skills and Technologies:

    💡 Soft Skills:
    Enhanced my skills in teamwork, project management, and communication with diverse profiles.

    🔧 Technical Skills:
    Refined my skills in data science, data engineering, Linux, Bash, Python, various databases, and full-stack development.

    🔹 Personal Growth:

    This role transformed me from a data scientist into a seasoned full-stack developer, capable of contributing to all stages of a project's lifecycle. It also honed my communication and collaboration skills with experts from various fields.
    Python UNIX JavaScript Financial Modeling Fixed Income Interest Rate Derivatives Bash Scripting Fullstack Data Engineer Data Science
  • Kanopy AM
    Quantitative Researcher
    PRIVATE EQUITY
    February 2020 - October 2021 (1 year and 8 months)
    Paris, France
    At Kanopy AM, a Parisian investment firm specializing in mid-to-large cap European equities, I played a key role in bridging investment ideas with concrete strategies. In collaboration with the Chief Investment Officer, Chief Technology Officer, and Portfolio Manager, I translated innovative research into practical investment strategies and managed a team of a few junior data scientists.

    🔹 Key Achievements:

    📊 Project Contributions:
    Responded to calls for projects from major European insurers by translating conceptual ideas into rigorously tested investment algorithms for low-frequency decisions.

    🛠️ API Development:
    Created APIs to enable the research team to efficiently query company data, thereby accelerating the research process.

    📈 Strategy Testing:
    Tested numerous investment strategies based on statistical and behavioral finance research, refining our approach with empirical insights.

    🚀 New Allocation Regime:
    Developed and deployed a new allocation regime using Docker, enhancing our investment process with modern technologies.

    📚 Skill-Up and Training:
    Contributed to the team's machine learning upskilling and gave a lecture to finance students alongside the CIO.

    🔹 Skills and Technologies:

    💬 Soft Skills:
    Excellence in communication, collaborating with financial experts, sales, marketing, and technical teams.

    🔧 Technical Skills:
    Acquired in-depth knowledge of finance, European regulations, portfolio management, as well as technical skills in Python, Django, Docker, and Bash.
    Python Python/Django API Finance Asset Management Machine learning Equities
  • AVISIA
    Junior Data Scientist - Risk
    CONSULTING AND AUDITS
    October 2018 - October 2019 (1 year)
    48 Avenue Victor Hugo, Paris, France
    At Avisia, within the Risk department, I contributed to impactful data science projects that strengthened our clients' capabilities and provided valuable insights. My role involved modernizing algorithms, developing interactive tools, and training consultants.

    🔹 Key Achievements:

    🏦 Credit Scoring Modernization:
    For a French consumer bank, I used Dataiku DSS to modernize the credit scoring algorithm. I demonstrated that a simpler solution could replace the existing algorithm quickly and improved scoring metrics with advanced tree-based regressions.

    📊 Interactive Dashboard:
    Created an interactive dashboard for a French public institution using graph theory and visualization to highlight trends and patterns in fake reviews on Google Reviews and TripAdvisor.

    📚 Consultant Upskilling:
    Led internal workshops on natural language processing and Blockchain to train consultants, enhancing their ability to seize new business opportunities for the company.

    🔹 Skills and Technologies:

    💬 Soft Skills:
    Developed consulting skills, including diagnosing client issues and proposing high-value solutions. Improved my ability to communicate complex concepts effectively through internal training sessions.

    🔧 Technical Skills:
    Gained hands-on experience with Python, SQL, Dataiku DSS, and APIs, deepening my technical expertise in data science.

    🔹 Personal Growth:

    This role marked a crucial transition from university to industry, deepening my understanding of risk management and demonstrating how data science can provide practical, concrete solutions.
    Consulting Data Science Credit Risk Graph Theory Dataiku DSS Python Statistics

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Education

  • Master of Management
    HEC Paris
    2019
    Master en Management, Finance et Stratégie
  • Master of Science - Data Science, Statistics
    ENSAE Paris
    2019
    Optimisation, data science, méthodes de Monte Carlo, mathématiques financières, théorie des probabilités, statistiques et économétrie, ...

Certifications

  • Junior Penetration Tester
    TryHackMe
    2022
    Ethical Hacking Penetration Testing Cybersecurity
  • Dataiku DSS Certification
    Dataiku
    2018
    Dataiku DSS Data Science Modeling

Skill set

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