Founding Senior Software Engineer – Hybrid/Remote F/M/X - Lyon

Sand to Green

💡 Responsible products or services
Long-term contract
Short-term contract
Localisation Lyon, France
Agriculture
Full remote
From 5 to 10 yrs of exp.
Posted on 12-11-2025

➔ Description of the mission

We’re building out the technical heart of Sand to Green, the agri-tech impact venture behind the RegenWise platform — and we have one senior engineering seat left to fill.

💫 About us

Sand to Green’s mission is to scale regenerative agriculture globally. Our SaaS product, RegenWise, helps assess, design, and monitor ecosystem-restoring farming systems using satellite, soil, and climate data. We work hand-in-hand with top research institutions like CIRAD.

We’re looking for a senior software engineer who can join quickly in the short term. The contract will be under exploration with you, either a freelancing contract, CDD and CDI contract. The right person is someone who has strong experience in backend development, API-first environments, and modern web app architecture — and who cares about impactful, mission-driven work.

🏋🏻‍♀️ About the mission

Your role

  • Ship core features: data ingestion, geospatial views, forecasting, MRV, dashboards
  • Extend and improve our Django backend monolith application keeping it scalable
  • Work in an API first environment, proactively identifying new datasets and data improvements
  • Design scalable data models and improve performance and reliability (latency, parallel tasks, retries)
  • Strengthen CI/CD pipelines and engineering best practices
  • Collaborate with agronomists and PM to turn agro-concepts into computational models
  • Guide architectural decisions for product scale and reliability
  • Work with satellite-derived and geospatial datasets
  • Adapt our product to the needs of our clients.

Why joining us?

  • Real product: not a concept, or idea-stage project
  • Field-tested: help build a scientifically credible & field tested product
  • Impact: your work benefits regeneration, farmers, and climate resilience.
  • High autonomy: shape architecture, engineering culture, and long-term decisions.
  • Flexibility: start part time + remote if it better suits your needs.
  • Real-world challenges: we’re talking about real farms, biodiversity & nature.

Our tech Stack

  • Backend: Python, Django, PostgreSQL + GeoDjango, Mypy, Flake8 (typing + linting), Folium
  • Frontend: HTML, JavaScript, Tailwind + DaisyUI, Alpine.js
  • Infrastructure: GitHub Actions, PythonAnywhere, Google Cloud, Sentry

➔ Profile

Skills

  • 7+ years of software engineering experience in backend / data-heavy systems
  • Skilled in building scalable SaaS platforms, ideally with spatial / geodata components
  • Comfortable working cross-disciplinarily with scientists, agronomists, and product
  • Strong expertise in API-first environments, understanding of latency optimization and parallelization, ability to handle complex data models
  • Comprehension of satellite analytics or geospatial workflows (bonus)
  • Experience in early-stage or impact-driven companies (bonus)
  • Passionate about climate tech, regenerative agriculture, and building for long-term ecological impact (bonus)
  • Full stack experience is a plus

Compensation

Competitive compensation (based on experience) + meaningful ownership in a mission-driven company + BSPCE

🚀 How to Apply

Please fill out this Google Form: https://forms.gle/5gPWhX3mgDxNJCMG7

Thanks for your interest! We will get back to your shortly.

Sand to Green

Sand to Green scales regenerative agriculture with RegenWise, a SaaS solution developed to build, deploy, and track regenerative agriculture projects at scale.

💡 Responsible products or services

The company's mission is to design eco-responsible products and services aligned with the needs of the ecological transformation.

More information
  • Website
  • Company
  • < 15 persons
  • Agriculture
Impact study
Sand to Green did not yet communicate its impact measurement.
Labels and certifications
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💡 Need to strengthen your profile to match perfectly to this job?

This training might interest you: Certificat en analyse de données pour l'écologie et la gestion de la biodiversité!