Mario Diez Martínez

Mario Diez Martínez Email and Phone Number

Economist | Back Office Analyst @ SBGM @ Santander
boadilla del monte, madrid, spain
Mario Diez Martínez's Location
Greater Madrid Metropolitan Area, Spain
About Mario Diez Martínez

Economist with expertise in financial markets, quantitative strategies, and financial operations. My experience spans fixed income, repos, short-term interest rates, and commodities, with a strong track record in futures trading (SOFR, Fed Funds, oil) and settlements processes. I leverage advanced tools like Python, SQL, Bloomberg Terminal, and financial platforms (Murex, Calypso) to deliver efficient, data-driven solutions and optimize performance.In my current role, I manage settlements for fixed income and repos, achieving an 80% STP rate by streamlining processes using Euroclear, Iberclear, Murex, and Calypso. Previously, as a Quantitative Trader, I designed and implemented quantitative trading strategies (calendars, butterflies, condors), while conducting daily market analysis focused on key economic indicators (CPI, NFP, PMI).Key Expertise and Skills:Technical: Advanced Python (NumPy, Pandas, Matplotlib, Scikit-Learn), SQL (PostgreSQL, BigQuery), Excel (advanced modeling), VBA, MATLAB, Bloomberg Terminal, Murex, Calypso.Financial: Fixed income, repos, derivatives, quantitative strategies, futures trading, and settlements.Operational: STP processes, reconciliation, claims resolution, and dashboard creation for performance tracking.Analytical: Data analysis, modeling, automation, risk management, and visualization.I am passionate about leveraging my technical expertise and market knowledge to navigate complex financial environments, drive innovation, and contribute to the success of data-driven organizations.Open to new opportunities in trading, quantitative analysis, financial strategy, and market operations.

Mario Diez Martínez's Current Company Details
Santander

Santander

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Economist | Back Office Analyst @ SBGM
boadilla del monte, madrid, spain
Website:
santander.com
Employees:
114093
Mario Diez Martínez Work Experience Details
  • Santander
    Back Office Analyst
    Santander Oct 2024 - Present
    Madrid, España
    📈 Actively managing settlements of fixed-income assets and repos for Santander’s global operations, ensuring accurate and timely transaction processing while maintaining compliance with internal and regulatory standards. Leveraging platforms such as Euroclear, Iberclear, Murex, and Calypso to streamline workflows and support operational efficiency.🔍 Key Responsibilities & Achievements:📊 Executing settlements for fixed-income instruments and repos, achieving an 80% Straight-Through Processing (STP) rate by optimizing automated workflows.💼 Collaborating with liquidity and positions teams to ensure seamless securities delivery and alignment with broader financial objectives.📉 Conducting detailed analyses for new bond issuances, extracting and processing critical data from Calypso to support decision-making and reporting.🤝 Resolving client claims, discrepancies, and cross-matching issues efficiently, maintaining strong communication with internal and external stakeholders.🌍 Ensuring accurate and compliant transaction execution across global markets through effective use of Euroclear and Iberclear systems.
  • Arfima Trading
    Quantitative Trader & Researcher
    Arfima Trading Mar 2023 - Oct 2024
    Madrid, Comunidad De Madrid, España
    📈 Actively involved in futures trading of fixed-income assets and commodities, including U.S. and Canada treasuries, emphasizing cross-currency strategies, short-term interest rates derivatives, and commodities research.🔍 Key Responsibilities & Achievements:📊 Conducting rigorous quantitative research by analyzing financial data using Python, enhancing performance in select trading strategies.🌍 Integrating qualitative research through comprehensive macroeconomic analysis, with a particular focus on economic situations in North America, Europe, and Asia.📉 Delving deep into fixed income research, emphasizing yield curve analysis, monitoring of economic releases, and keen surveillance of monetary policy developments.🛢️ Employing a quantitative approach for commodities research, primarily focusing on scenario analysis, gauging event impacts, and fundamental analysis for oil.🖥 Collaborating with the software development team to design, develop, and ship into production dashboards using Superset, SQL, and Python.
  • Bbva
    Projects Intern
    Bbva Jul 2022 - Dec 2022
    Madrid, Comunidad De Madrid, España
    📈 Collaborated closely with the project manager on the "Ganbaru" initiative, a strategic project aimed at optimizing the bank's operational processes.🔍 Key Responsibilities & Achievements:🛠️ Assisted the project manager in transitioning to the new Front to Back, Front to Front, accounting, and regulatory reconciliations tool.📋 Managed daily oversight of the technical team, ensuring timely progress and consistent weekly reporting.📊 Spearheaded the creation of multiple dashboards using Google Data Studio, leveraging DUCO data from BigQuery, to monitor key metrics and KPIs of the reconciliations.💾 Worked extensively with data sourced from Calypso and Murex back office platforms, ensuring accurate and efficient data integration.

Mario Diez Martínez Skills

Ciencias Trabajo En Equipo Microsoft Word Maltego Google Hacking Microsoft Excel Cultura China Microsoft Chino Osint Tinfoleak Foca

Mario Diez Martínez Education Details

Frequently Asked Questions about Mario Diez Martínez

What company does Mario Diez Martínez work for?

Mario Diez Martínez works for Santander

What is Mario Diez Martínez's role at the current company?

Mario Diez Martínez's current role is Economist | Back Office Analyst @ SBGM.

What schools did Mario Diez Martínez attend?

Mario Diez Martínez attended Universidad Complutense De Madrid.

What skills is Mario Diez Martínez known for?

Mario Diez Martínez has skills like Ciencias, Trabajo En Equipo, Microsoft Word, Maltego, Google Hacking, Microsoft Excel, Cultura China, Microsoft, Chino, Osint, Tinfoleak, Foca.

Who are Mario Diez Martínez's colleagues?

Mario Diez Martínez's colleagues are Agostinho Nogueira, Luis Fernando Filadelpho, Gisel Duhalde, Victor Hugo Barona Salazar, Jose Angel, Josi Pereira, Jesús 0ria.

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