Gareth Loot

CV

Full career timeline. Roles and employers from signed-off CV facts. No invented metrics.

Jun 2024 – Jun 2025

Ciphix

Mendix Consultant

Amsterdam

  • Mendix Advanced Developer certification within 2 months.
  • LintX: C# linter for Mendix Studio Pro with real-time guideline feedback.
  • Tightened the guidelines.
  • Construction company: planning and hours app.
  • Generalised preset filters.
  • Sharpened the agile process.
  • Industrial company: 3D-printer app.
  • Refactor and bugfixes.
  • Education institution: full-app redesign.
  • HR integration: automatic check whether a child’s education allowance can be approved.
  • Internal quote system: refactor onto Ciphix.
  • DocuSign and SharePoint integration/migration.
  • Studytube/Personio: Workato CRUD for people, departments, supervisors.
  • Marketplace: refactor of modules and templates.

Jan 2023 – Jun 2023

Fish on Fire

Medior Developer (React / React Native)

  • Mobile apps in React Native, including greenfield.
  • Shared codebase (Git, standards, reviews).
  • Grew React and TypeScript.
  • Apps included Zwangerhap, NH1816, Visco, and a port secure-area access app.
  • Mainly NH1816 maintenance and new features.
  • Their backend was Betty Blocks.

Aug 2022 – Dec 2022

Holygrow

Trainer / Solution Architect

  • JavaScript performance work on large data volumes.
  • Coached colleagues on Betty Blocks.

Apr 2021 – Jun 2022

Betty Blocks

Senior No-code Developer

  • Client apps they couldn’t build themselves.
  • Substantial React and JS/TS custom work.
  • Team of two developers, a PM, and a PO.
  • Discovery with clients who often didn’t know what they wanted.
  • Agile.

Jan 2021 – Apr 2021

Betty Blocks

Development Coach

  • Levelled up existing and new colleagues as the platform moved fast.
  • Interviews, interns, personal development plans, refinements and sprint planning.
  • Spotting blockers and extra help on stories.

Jun 2019 – Jan 2021

Betty Blocks

Product Trainer

  • Taught customers to build on Betty Blocks, worldwide and in Alkmaar, beginners through seasoned developers.
  • Training sometimes used as pre-sales for decision makers.
  • Built the training unit from scratch with his manager.
  • During COVID, Continuous Learning: an online video learning platform with two other trainers; Gareth on advanced custom-code.
  • Designed a certification program with a colleague and assessed candidates.
  • Beginners: data modelling, Page Builder, visual blocks.
  • Advanced: JS/TS and HTML, consuming and building APIs, custom React components for Page Builder, JS/TS where visual builders fall short.
  • They created the training material themselves.

Dec 2015 – Nov 2018

Apple

Creative (Product Trainer)

  • Full-time training for customers, children, teachers, and staff in Amsterdam/Haarlem.
  • Apple software from basics through film, photo, drawing, programming.
  • iPads in class.
  • Educational outings and summer activities (music, iMovie stories, robots).

Jan 2014 – Dec 2015

Apple

Family Room Mentor (Coach)

  • Trained new service staff.
  • Worked with management on goals (service, productivity, fewer errors).
  • Ongoing coaching and feedback.

Nov 2013 – Jan 2015

Apple

Family Room Specialist

  • Faulty products, repairs, Genius Bar technical questions; basic training.
  • Repair and keep the customer relationship.

May 2012 – Nov 2013

Apple

Specialist (sales)

  • Sales with customer satisfaction as the priority; path toward Creative.
  • Apple’s hiring process was highly selective — less than three percent of candidates.

Jan 2008 – May 2012

Media Markt Arena B.V.

Sales (Computer / Apple)

  • Sold Windows PCs, Apple products, and accessories.
  • Advised on needs and specs.

Sep 2005 – Aug 2007

Albert Heijn

Filling team lead

  • Led the filling team, day-to-day coordination.
  • Sometimes up to 20 people.
  • Staffing for deliveries.

Jun 2003 – Aug 2007

Albert Heijn

Shelf stocker

  • Shelves, warehouse, stock, weekly resets, regular checkout.
  • De Mare, Alkmaar.

Also

2018 – 2026

Podium Victorie

Volunteer

  • Volunteer behind the bar at concerts in Alkmaar.
  • The venue’s line is “samen muziek vieren”.

Education

  • 2024

    Mendix Advanced, Intermediate and Rapid Developer

    IDs 78518, 77968, 70006

  • 2004–2005

    Multimedia Vormgeven

    Grafisch Lyceum Rotterdam

  • 1998–2003

    VWO

    Adriaan Roland Holstschool, Bergen