Simeon Visser

Software Developer at Channable
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Contact Information
us****@****om
(386) 825-5501
Location
London, England, United Kingdom, UK
Languages
  • English Full professional proficiency
  • Dutch Native or bilingual proficiency

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Bio

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5.0

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Peter Campton

Simeon is a skilled software engineer with excellent knowledge of python and django. I worked closely with Simeon at Rangespan for 18 months and during this time he was a valued member of the development team, helping deliver important functionality to both internal and external users. Simeon was quick to learn and able to understand and develop functionality across the many systems at Rangespan. His code was well-structured, tested and he was able to both accept and provide valuable feedback during code-reviews. It was a pleasure working with Simeon and I would recommend him.

Amir H. Hajizamani

Simeon is a great addition to a software development team. He is diligent in his work and contributions, and clear in his communication with developers and non-developers alike. He is highly reliable, and tops this all off by being curious and knowledgable about the tools of his trade. If you want to work with someone who can get things done and is also a pleasure to have around, Simeon's your guy!

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Credentials

  • Introduction to Data Science
    Coursera
    Jun, 2013
    - Nov, 2024
  • Science, Technology, and Society in China I: Basic Concepts
    Coursera
    Apr, 2013
    - Nov, 2024

Experience

    • Netherlands
    • Software Development
    • 200 - 300 Employee
    • Software Developer
      • 2020 - Present

    • United Kingdom
    • Technology, Information and Internet
    • 1 - 100 Employee
    • Software Developer
      • Jun 2014 - 2019

      Ometria provides an all-in-one software solution to drive profitable e-commerce. Visit https://www.ometria.com to learn more! Ometria provides an all-in-one software solution to drive profitable e-commerce. Visit https://www.ometria.com to learn more!

    • United Kingdom
    • IT Services and IT Consulting
    • 1 - 100 Employee
    • Software Developer
      • Sep 2012 - May 2014

      Rangespan is a technology company with an automated supply chain service that enables retailers to massively expand range without risk. As software developer I have worked on order fulfillment systems, supplier and retailer API integration, marketplace pricing logic and inventory management systems. Other projects include integrating image quality checking, logic for verifying and executing order refunds and various tools to assist the operations team. Broadly speaking I… Show more Rangespan is a technology company with an automated supply chain service that enables retailers to massively expand range without risk. As software developer I have worked on order fulfillment systems, supplier and retailer API integration, marketplace pricing logic and inventory management systems. Other projects include integrating image quality checking, logic for verifying and executing order refunds and various tools to assist the operations team. Broadly speaking I have: - Investigated technical issues and made stability and architectural improvements across the platform where needed - Assisted the business team, suppliers and retailers with issues that arose from day-to-day operations - Enhanced and extended the platform for various projects and company goals Rangespan joined Google in May 2014. Notable technologies include: Python (pip, virtualenv), Django (South), Fabric, Flask, Amazon Web Services, MongoDB, MySQL, SQL, HTML, CSS, JavaScript, UNIX command-line tools, (S)FTP, SSH, XML, XPath, JSON, CSV, Apache, Git, nosetests, mock, RabbitMQ, Celery, Hive, fluentd, Jenkins, SQLAlchemy, alembic, PIL, NumPy, SciPy, Scrapy. Show less Rangespan is a technology company with an automated supply chain service that enables retailers to massively expand range without risk. As software developer I have worked on order fulfillment systems, supplier and retailer API integration, marketplace pricing logic and inventory management systems. Other projects include integrating image quality checking, logic for verifying and executing order refunds and various tools to assist the operations team. Broadly speaking I… Show more Rangespan is a technology company with an automated supply chain service that enables retailers to massively expand range without risk. As software developer I have worked on order fulfillment systems, supplier and retailer API integration, marketplace pricing logic and inventory management systems. Other projects include integrating image quality checking, logic for verifying and executing order refunds and various tools to assist the operations team. Broadly speaking I have: - Investigated technical issues and made stability and architectural improvements across the platform where needed - Assisted the business team, suppliers and retailers with issues that arose from day-to-day operations - Enhanced and extended the platform for various projects and company goals Rangespan joined Google in May 2014. Notable technologies include: Python (pip, virtualenv), Django (South), Fabric, Flask, Amazon Web Services, MongoDB, MySQL, SQL, HTML, CSS, JavaScript, UNIX command-line tools, (S)FTP, SSH, XML, XPath, JSON, CSV, Apache, Git, nosetests, mock, RabbitMQ, Celery, Hive, fluentd, Jenkins, SQLAlchemy, alembic, PIL, NumPy, SciPy, Scrapy. Show less

    • Netherlands
    • Media Production
    • 100 - 200 Employee
    • Web Developer
      • Jul 2011 - Jul 2012

      At Lukkien I have developed the back-end technology for web projects of national and international clients (often household names). Projects ranged from informative websites (e.g., commercial and corporate) to web-based control systems (e.g., managing a render farm from a web-based interface). Some projects were developed using the Agile Scrum methodology. Notable technologies include: Python (pip, virtualenv), Django (South), Fabric, HTML, CSS (Sass), JavaScript (jQuery), XML… Show more At Lukkien I have developed the back-end technology for web projects of national and international clients (often household names). Projects ranged from informative websites (e.g., commercial and corporate) to web-based control systems (e.g., managing a render farm from a web-based interface). Some projects were developed using the Agile Scrum methodology. Notable technologies include: Python (pip, virtualenv), Django (South), Fabric, HTML, CSS (Sass), JavaScript (jQuery), XML, XSLT, JSON, Haystack (Whoosh / Solr), sorl.thumbnail, PostgreSQL, Apache, Varnish, RabbitMQ and Celery. Other work includes utilizing APIs (e.g., Google Maps) and social media integration (e.g., Facebook and Twitter). Show less At Lukkien I have developed the back-end technology for web projects of national and international clients (often household names). Projects ranged from informative websites (e.g., commercial and corporate) to web-based control systems (e.g., managing a render farm from a web-based interface). Some projects were developed using the Agile Scrum methodology. Notable technologies include: Python (pip, virtualenv), Django (South), Fabric, HTML, CSS (Sass), JavaScript (jQuery), XML… Show more At Lukkien I have developed the back-end technology for web projects of national and international clients (often household names). Projects ranged from informative websites (e.g., commercial and corporate) to web-based control systems (e.g., managing a render farm from a web-based interface). Some projects were developed using the Agile Scrum methodology. Notable technologies include: Python (pip, virtualenv), Django (South), Fabric, HTML, CSS (Sass), JavaScript (jQuery), XML, XSLT, JSON, Haystack (Whoosh / Solr), sorl.thumbnail, PostgreSQL, Apache, Varnish, RabbitMQ and Celery. Other work includes utilizing APIs (e.g., Google Maps) and social media integration (e.g., Facebook and Twitter). Show less

    • Netherlands
    • Higher Education
    • 700 & Above Employee
    • Teaching Assistant
      • 2006 - 2010

      Teaching assistant in the courses: - Imperative programming (Java, 2006 - 2007) - Functional programming (Haskell, 2006 - 2007, 2008 - 2009) - Automated reasoning (various reasoning techniques, 2009 - 2010) - Logic for AI (modal, epistemic and doxastic logic, 2009 - 2010) As teaching assistant I have: - Helped students with understanding various topics in computer science - Answered both theoretical and practical programming questions - Reviewed, marked and provided… Show more Teaching assistant in the courses: - Imperative programming (Java, 2006 - 2007) - Functional programming (Haskell, 2006 - 2007, 2008 - 2009) - Automated reasoning (various reasoning techniques, 2009 - 2010) - Logic for AI (modal, epistemic and doxastic logic, 2009 - 2010) As teaching assistant I have: - Helped students with understanding various topics in computer science - Answered both theoretical and practical programming questions - Reviewed, marked and provided feedback on submitted homework assignments - Assisted during exercise sessions and explained things on the blackboard Show less Teaching assistant in the courses: - Imperative programming (Java, 2006 - 2007) - Functional programming (Haskell, 2006 - 2007, 2008 - 2009) - Automated reasoning (various reasoning techniques, 2009 - 2010) - Logic for AI (modal, epistemic and doxastic logic, 2009 - 2010) As teaching assistant I have: - Helped students with understanding various topics in computer science - Answered both theoretical and practical programming questions - Reviewed, marked and provided… Show more Teaching assistant in the courses: - Imperative programming (Java, 2006 - 2007) - Functional programming (Haskell, 2006 - 2007, 2008 - 2009) - Automated reasoning (various reasoning techniques, 2009 - 2010) - Logic for AI (modal, epistemic and doxastic logic, 2009 - 2010) As teaching assistant I have: - Helped students with understanding various topics in computer science - Answered both theoretical and practical programming questions - Reviewed, marked and provided feedback on submitted homework assignments - Assisted during exercise sessions and explained things on the blackboard Show less

Education

  • Utrecht University
    Master of Science, Agent Technology
    2008 - 2011
  • Utrecht University
    Bachelor of Science, Computer Science
    2005 - 2008

Community

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