Erfan Sajjadi

Erfan sajjadi

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location of Erfan SajjadiEaling, England, United Kingdom
Followers of Erfan Sajjadi114 followers
  • Timeline

  • About me

    Data Scientist (ML Engineer

  • Education

    • Brunel university

      2009 - 2012
      Bachelor of engineering (beng) mechanical engineering 2:1 (hons)
    • Brunel university london

      2018 - 2022
      Doctor of philosophy - phd computer science

      - Personalised Medication- Data Mining / Big Data- Bioinformatics- Machine Learning- Data Science

    • King's college london, u. of london

      2012 - 2014
      Master of science (msc) robotics
  • Experience

    • Aam software

      Jul 2016 - Feb 2022
      Data analyst

      improved decision-making processes across departments.• Built and optimized SQL queries to extract and manipulate large datasets, ensuring the timely delivery of actionable insights to stakeholders.• Created visually compelling dashboards and reports using data visualization tools (e.g., Tableau, Power BI), enhancing transparency and driving stakeholder engagement.• Automated data cleaning and integration pipelines, improving data reliability and reducing preprocessing time by 25%.• Collaborated with business analysts and product managers to identify data needs, translating business challenges into tailored analytical solutions.• Performed statistical analyses to evaluate key performance metrics, contributing to a 15% improvement in operational efficiency.• Ensured the accuracy and consistency of reporting by establishing quality assurance procedures and adhering to data governance policies. Show less

    • Brunel university london

      Jan 2018 - Jan 2024
      Doctoral researcher

      • Thesis Title: Exploring the Topology of Progressive Disease Data (using R). http://bura.brunel.ac.uk/handle/2438/27704 • 4 published papers: “Building Trajectories Over Topology with TDA-PTS: An Application in Modelling Temporal Phenotypes of Disease”“Exploiting Clinical Staging Data to Constrain Pseudo-Time Modelling of Disease Progression”“Using Topological Data Analysis and Pseudo Time Series to Infer Temporal Phenotypes from Electronic Health Records”“Inferring Temporal Phenotypes with Topological Data Analysis and Pseudo Time-Series”Supervisors: Dr. A Tucker and Dr. S Swift Show less

    • Enspan innovations

      Feb 2022 - now
      Data scientist (ml engineer)

      • Spearheaded the research and deployment of a federated learning project for the supply chain sector, achieving a 30% increase in data efficiency while maintaining strict data privacy standards.• Engineered and optimised machine learning algorithms, enhancing predictive accuracy by 40% and reducing operational delays across complex supply chain models.• Collaborated with cross-functional teams and external stakeholders, accelerating project timelines by 15% and ensuring alignment with partner objectives.• Led a cross-functional team with Rolls Royce, Cambridge University, and AML to research and deploy advanced machine learning algorithms for aviation supply chain optimisation.• Designed and implemented data-driven solutions using Python, R, and SQL to preprocess, mine, and analyse big data, delivering actionable insights to stakeholders.• Documented research and development progress through technical blogs, reports, and presentations to enhance transparency and communication with partners. Show less

  • Licenses & Certifications

    • Pgce secondary education physics with mathematics (qts)

      Brunel university london