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Joseph BetzJB

Joseph Betz

Software Developer

€750/day
Montpellier, FR
8-15 years
Haskell
JavaScript
UI Web Design
Data visualization
Graphic Design

Average response time: 1 hour

Freelancer profile translated to English.
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About Joseph

  • English

    Native or bilingual

  • French

    Conversational

  • German

    Basic

Can work on-site
Montpellier (up to 50km)

Experience

  • CircuitHub
    Software Engineer
    May 2024 - April 2026 (1 year and 11 months)
    - Led UI/UX design of new customer platform, adding functionality to support users with hundreds of projects
    - Developed a part recommendation system using a combination of deterministic algorithms and LLM prompts
    - Built a financial dashboard for customers to manage their invoices, payments, and payment agreements with the company
    - Integrated US tax calculations into checkout workflow
    - Rearchitected authentication system to eliminate misattribution of actions made by personnel on behalf of a customer
    Haskell JavaScript UI Web Design Web development SQL
  • Obsidian Systems
    Software Engineer
    July 2019 - March 2021 (1 year and 8 months)
    Full-stack Haskell engineer, working on a mix of proprietary and open-source projects.
    - Provided development and operational support for Starbucks’ high-volume marketing platform
    - Built a first of a kind security token dashboard for the Tezos blockchain
    - Implemented multiple runtimes for Glow, a high level smart contract DSL
    - Rapidly prototyped marketing sites for small and medium sized businesses
    Haskell Web development Blockchain Smart Contract
  • Wolfram Research
    Software Developer
    January 2014 - December 2017 (3 years and 11 months)
    Champaign, United States
    Lead backend Java / Scala developer on Wolfram|Alpha Web R&D team.
    - Created web API for managing authentication of tens of thousands of users in a distributed environment
    - Developed internal tools for managing client permissions of public APIs
    - Modernized legacy services to improve maintainability
    Java JavaScript SQL Backend Development Web Development

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