Charles De Barros

Download my CV here

Personal statement


Detail-oriented and analytical Junior Data Analyst with a strong background in Python, SQL, and data visualisation. Committed to continuous learning and innovation, with demonstrated capabilities in data storytelling, dashboard creation, and database management. Dedicated to promoting environmental sustainability and leveraging technology for positive impact. Possesses a solid foundation in web development, excellent communication skills, and a proactive, problem-solving mindset.


Key skill


  • Data Analysis & BI Tools: Power BI, Tableau, Excel, Power Query, Power Pivot
  • Programming & Scripting: Python, Pandas, NumPy, Matplotlib, Seaborn, SQL (PostgreSQL, MySQL)
  • Database Management: SQL, PostgreSQL, MySQL
  • Web Development: HTML, CSS, JavaScript, Ruby on Rails
  • Version control: Git (GitHub, BitBucket, GitLab)
  • Soft Skills: Problem-solving, Communication, Critical Thinking, Resilience, Initiative

Employment History


    Volunteer Reception Deputy Manager

    TUEG, London | Jan 2025 - Present

  • Manage front desk operations and ensure GDPR-compliant data handling
  • Train new volunteers and maintain high standards of data quality
  • Welcome and register visitors, assign tickets, and lead health & safety briefings

    Sep 2021 - Dec 2024 - Career Break

    Due to a terminal health issue in my family, I decided to take some time off to be with my mother until her passing. During this period, I enrolled in some web development courses on Udemy and joined the free Introduction to Computer Science course offered by Harvard University on edX.

    Full Stack Developer (Contract)

    BoilerJuice, St. Ives, Cambridgeshire | Jun 2021 - Sep 2021

  • Developed proof-of-concept web application for the U.S. heating oil market
  • Utilised Ruby on Rails, PostgreSQL, and microservices architecture
  • Collaborated with U.S. sales teams to integrate market-specific requirements

    Oct 2019 - May 2021 - Career Break

    I took some time off to address personal and family issues. I utilised the pandemic lockdown as an opportunity to expand my knowledge of working with SQL-oriented databases and building APIs.

    Full Stack Developer

    UCL - Institute of Education (CLOSER), London | Feb 2018 - Oct 2019

  • Enhanced "Archivist" dataset management system, doubling performance
  • Led Agile development sprints and coordinated multi-university stakeholder feedback
  • Improved funding appeal through optimised application performance

    Junior Developer

    Amigo Partnership, London | May 2017 - Nov 2017

  • Delivered backend features for marketing campaigns using Ruby on Rails
  • Worked with Heroku, PostgreSQL, APIs, and microservices
  • Communicated with stakeholders to translate business needs into technical solutions

    Support & Development Technician

    Creative Virtual, London | Jan 2016 - Mar 2017

  • Full-stack development using HTML, CSS, JS, jQuery, and Bootstrap
  • Maintained Apache Tomcat environments and performed Git-based code reviews
  • Worked with Python, PHP, Java, SQL, and Windows Server administration

    Junior Developer (Contract)

    Evident Legal, London | Apr 2015 - Nov 2015

  • Built and maintained full-stack applications, aligned to client specifications
  • Oversaw repository management and system deployment
  • SEO optimisation

    Intern Junior Developer

    QuiqUp, London | Oct 2014 - Nov 2014

  • Integrated Google Maps API to improve app delivery efficiency
  • Replaced dependency on Foursquare API for better performance

Education and Certifications


  • Level 4 Data Analyst Bootcamp - Cambridge Spark | Apr 2024 - Jul 2024
  • Level 3 Data Analyst Bootcamp - Cambridge Spark | Mar 2023 - Jun 2023
  • Junior Developer Bootcamp (Level 4) - Makers Academy | Feb 2014 - May 2014
  • Network Administrator (Level 3) - Just IT Training | Nov 2009 - Feb 2010
  • Trainee English Teacher - Middlesex University | Sep 2007 - Jun 2008
  • BA (Hons) in English - Rio de Janeiro State University | Feb 1994 - Dec 1997

Languages


  • English (Native)
  • Brazilian Portuguese (Native)
  • French (Conversational)

Interests and Achievements


  • Open-source enthusiast (Linux, Fedora, Ubuntu)
  • Online learning (edX, Udemy, Coursera)
  • Speaker at NADDI 2019, Ottawa (CLOSER project, UCL)
  • Puzzles, problem-solving, and baking

Download my CV here