Profile photo of Justin Steenhuis

Justin Steenhuis

Freelance Solution Architect · Agri-food

Nederlands

Profile

Freelance Solution Architect with ten years of experience in the agri-food sector and a background as a developer. Translates complex data needs and business processes into a clear architecture and a working solution: maps the existing landscape, makes well-founded choices in components and standards, and safeguards coherence while teams build. Extensive experience with data integration, satellite data and GIS, and with solutions in which data stays at the source and owners stay in control. Enjoys working where technology, organisations and policy meet, connecting developers, stakeholders, researchers and public bodies.

Experience

Wageningen Social & Economic Research

Wageningen

Solution Architect (freelance)

Oct 2024 – present
  • Part of the Data Management Team of ReGeNL — a National Growth Fund programme by Stichting Next Food Collective, commissioned by the Dutch Ministry of Agriculture (LVVN), in which multiple universities and partners guide 1,000 farmers towards regenerative farming.
  • Responsible for architecting, integrating and developing solutions for all data-related requirements, based on data space principles: data stays at the source, farmers stay in control and get their data back.
  • Technologies: Python (geo functions); code review on every project.
  • Involved in DESA, the Dutch ministry's exploration of a federated data ecosystem for agriculture: co-developed the ReGeNL use cases that build on the DESA core services (participant registry, authorisation, data-sharing agreement, connector).

JustInToCoding

Netherlands

Freelance Solution Architect

Sep 2024 – present
  • Own freelance practice: solution architecture, technical leadership and development for clients in the agri-food sector, focusing on data spaces and satellite data.

Fontys University of Applied Sciences — ICT

Eindhoven

External Expert

Sep 2022 – present
  • Advisor in the graduation assessment process: advises on assessment from the moment the portfolio becomes available.

AeroVision B.V. — SOIL-Data

Amersfoort

Technical Lead (freelance)

Nov 2024 – Oct 2025
  • Designed and helped build a satellite data platform for farmers that gives up-to-date insight into crop growth, soil conditions and field performance, based on satellite imagery and advanced analytics.
  • Designed API-first, so data and analytics are exposed as services and integrate seamlessly into customers' existing systems. Hands-on with Python, SQL, STAC and Cloud Optimized GeoTIFF (COG).
  • Provided technical direction to the team, reviewed code, and mentored and trained the developer.

VAA

Rosmalen

Business Consultant, Architect & Product Owner

Dec 2023 – Jun 2024
  • Part of the newly created business development team at VAA and product owner for various products and clients.
  • Business consultant at Stichting Skal, the Dutch supervisory body for organic production: analysed and mapped existing systems and processes, and advised on and designed a renewed system.
  • From 2023 to Jun 2024, involved in NXTGEN Hightech use case 8, the Hollandse Datalinie: helped design and build a data space architecture that keeps farmers in control of their own data. Evaluated iSHARE and the Solid protocol and experimented with Solid.
  • Technologies: code review on every project.

Software Architect & Lead Developer

Jan 2022 – Nov 2023
  • Software architect and technical lead for various products and clients, full-stack; reviewed front-end and back-end code and coached developers and interns.
  • Product Owner/project lead for De Heus: managed an offshore development team from Nepal building the Poultry Coach app for poultry farmers in Africa, and led a design sprint to kick-start the project.
  • Technologies: JavaScript (React); front-end and back-end code review on every project.

Lead Developer & Product Owner

Jan 2020 – Dec 2021
  • Initiated the 'Digital Grassland Usage Calendar' and held the technical lead role: it uses satellite data to monitor grass growth and mowing moments. Also product owner for various R&D projects at VAA.
  • Beespot (2019–2020): used satellite data to predict the availability of pollen and nectar as a food source for bees; invited to take part in an ESA challenge.
  • Technologies: Python (calculation models for the Digital Grassland Usage Calendar), SQL (via an ORM and custom SQL scripts for performance), JavaScript (React); code review on every project.

Front-end Developer

Sep 2016 – Dec 2019
  • Various projects for clients in the agri-food sector. Specialised in data visualisation, GIS (including PDOK geo services) and React.
  • Technologies: JavaScript (React), SQL (via an ORM and custom SQL scripts for performance, including for the De Heus e-commerce platform and the KringloopWijzer); code review on every project.

Fabriquartz

Arnhem

Software Developer Intern

Feb 2016 – Jun 2016
  • Worked as a front-end developer on a freight management application using Ember.js.

LinkU Internet Media

Nijmegen

Web Development Intern

Sep 2015 – Jan 2016

Education

Bachelor of Applied Science — Computer Science (Software Engineering)

2011 – 2016

Minor in Computer Science — Software Engineering (exchange)

2014

HAVO — senior general secondary education

2006 – 2011