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Ousman AsadullahOA

Ousman Asadullah

Quantitative Analyst and Developer

€200/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Ousman

🔹 VBA Developer | Python | C# | C++ | Automation & Custom Applications

Experienced developer with 6 years of experience, I design and develop custom tools to automate your processes and ensure data reliability.

💡 What I offer:
✅ Automation of heavy Excel/Access files via VBA or migration to Python/C# for greater robustness.
✅ Development of Python scripts to quickly process and transform your data.
✅ Creation of C# desktop applications to replace your manual Excel files with reliable and user-friendly tools.
✅ Development of high-performance C++ modules for your intensive calculations.
✅ Implementation of APIs to efficiently centralize and distribute your data.
✅ Creation of Power BI/Tableau dashboards to visualize your data in real-time.

👨‍💻 Tech stack:
• Languages: VBA, Python, C#, C++, SQL
• Tools: Visual Studio, PyCharm, GitHub, Jupyter, Power BI, Tableau
• Databases: SQL Server, MySQL, SQLite, Access

✨ Why work with me?
✔ Fast and structured delivery.
✔ Readable, documented, and maintainable code.
✔ Solutions tailored to your concrete business needs.
✔ Clear communication and complete support (documentation, training if needed).

📍 Based in Paris, I work remotely to support you with your specific needs without wasting time.

📩 Contact me to discuss your needs and transform your ideas into concrete tools.

  • French

    Native or bilingual

  • English

    Native or bilingual

  • Spanish

    Conversational

Remote only
Primarily works remotely

Experience

  • Northlander Commodities Advisors LLP (Hedge Fund),
    Quantitative Analyst and Developer – Front Office
    September 2023 - December 2024 (1 year and 3 months)
    London, UK
    ❖ Responsible for the development of the internal risk management system, involving the complete migration of data and reports from VBA to Python, as well as the development of the SQL Server database.
    ❖ Responsible for creating APIs to extract data from external sources such as Bloomberg and Reuters, in addition to managing technical projects and various requests from traders and risk management teams.
    ❖ Design of risk models for calculating and measuring VaR, providing quantitative assessment and in-depth analysis of stress-test scenarios.
    ❖ Close collaboration with traders and the CRO to accurately represent transactions and adapt reporting capabilities according to the needs of different user groups.
    ❖ Development of daily risk reports for the risk function and front office teams, conducting data analysis on PnL and trading positions, and complete management of post-execution transaction flows, including daily reconciliation of trades and fees between executing traders, clearing brokers, and administrators.
    ❖ Commodities Trading (energy and environmental), financial derivatives (futures, futures on options, and vanilla options), Greeks, and VaR.
  • ENI Global Energy Markets,
    Quantitative Analyst and Developer – Front Office
    May 2022 - August 2023 (1 year and 3 months)
    London, UK
    ❖ Development, in Python, of the gas price pricing model for various sources and destinations worldwide for the FO LNG (Liquefied Natural Gas) desk. Additionally, a front-office database was established to support this model.
    ❖ Development of stress testing models using the Monte Carlo method to calculate losses resulting from the time required to execute trades and close positions in illiquid markets. VBA, Python, and R programming languages were used to develop these models.
    ❖ Calculation and validation of PnL for various desks, pricing of structured products and non-vanilla options (swings, spread options), monitoring of market risk indicators (Greeks, VaR), and correlation analysis on illiquid contracts.
    ❖ Development and automation of internal tools/libraries, pricing models, and database management (VBA, Python Scripting & OOP, Jupyter Notebook, Anaconda, Matlab, SQL, Oracle, SQL Server, Power BI, Qlik Sense, Jira).
    ❖ Commodities Trading (energy and environmental), financial derivatives (futures, futures on options, and vanilla options, forward), Greeks, and VaR.
  • Bank ABC (Arab Banking Corporation),
    Analyst and Developer – Risk Function
    November 2019 - April 2022 (2 years and 5 months)
    London, UK
    ❖ Responsible for the automation, improvement, and design of RMRS (Risk Management Reporting System - market risk, credit risk, liquidity risk, and operational risk).
    ❖ Development of visualization tools using VBA, Power BI, Excel GUI, SQL, Access.
    ❖ Responsible for migrating risk tools to new technologies and new databases (Python, R, MySQL, Oracle, SQL Server).
    ❖ Development of risk models/tools: MI pack, KRI, reporting, analysis tools, position portfolio, market risk indicator reporting (e.g., VaR calculation and production), and IFRS9 models.
    ❖ Technical support for anomalies related to VBA macros, Python modules, SQL queries, and internal database management (Access and MySQL).
    ❖ Maintain and produce reports related to credit risk and position reconciliation.
    ❖ Provide detailed information on exposures to risk teams and operational teams.
    ❖ Investigate, analyze, and report all anomalies (booking errors, limit management, incorrect risk transfer…) to Portfolio Managers, Front Office, Analysts, and Head Office in Bahrain.
    ❖ Asset class: Bonds, Repo, Money Market, Equity, Forex, Market Securities.

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Education

  • Master in Financial Engineering
    École Supérieure d'Ingénieurs Léonard-de-Vinci (ESILV)
    2018
    Master en Ingénierie Financière

Skill set

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