About GreenBay
GreenBay is on a mission to build Africa’s most trusted platform for appliance trade-in, refurbishment, and resale—making sustainable access to home goods affordable while creating new circular-economy jobs. Backed by Delta40 and international partners, we’re scaling fast across East Africa.
The Role
We’re hiring an AI Lead to drive our next phase of growth. This is an interim 6–12 month role (part-time or full-time) designed for an experienced builder, with the opportunity to evolve into a Founding CTO role as we scale.
What you’ll do
- Build AI-powered evaluation tools (image-based diagnostics, condition scoring).
- Automate workflows across pricing, refurbishment, and logistics.
- Prototype and deploy solutions directly into operations—hands-on, fast, scrappy.
- Collaborate with the founding team on technical strategy and IP.
- Explore AI-driven customer experience opportunities (chatbots, recommendation engines).
What we’re looking for
- Strong experience building and deploying AI/ML solutions (LLMs, computer vision, data pipelines).
- Comfort working in scrappy, startup environments.
- Ability to balance fast prototyping with scalable architecture.
- Bonus: background in marketplaces, e-commerce, or circular economy.
Why join us
- Ground floor of a venture tackling affordability, sustainability, and the circular economy in Africa.
- Shape the technical DNA of a high-potential company.
- Clear path to Founding CTO role.
📍 Location: Nairobi preferred; remote possible with strong commitment
💡 Commitment: 3–5 days/week for 6–12 months, flexible
💰 Compensation: Competitive, with potential equity
Top Skills
What We Do
Our mission at Delta40 is to increase incomes and tackle climate change in Africa by building and investing in inclusive climate innovations. At Delta40, we invest in Africa because 40% of the world will live on this continent by 2100. We invest in energy, agriculture and mobility innovations because they are essential to sustainable growth. We invest in climate innovation because we only have 10 years to act to prevent irreparable damage to Planet Earth. We invest in diverse Founders because they are close to the customer and bring critical ideas, experiences and skills to solving the biggest problems on this important continent.
Beyond capital, our venture studio team provides hands on support, shared services and partnerships to our ventures and Founders to increase speed, returns and impact.
Together, we aim to deliver life-changing innovations to the last mile across Africa and to build a community of Founders go from idea to scale to exit.
