Senior/ Lead Backend Engineer (Python)

Who we are At OneSoil, we’re building tools that empower farmers and agribusinesses worldwide. Our mobile and web apps help monitor fields, optimize inputs, and increase yields using satellite imagery and proprietary AI models. OneSoil is headquartered in Zurich, with offices in Poland, Ukraine, and Cyprus. Our technology is used across 4% of the world’s cropland. This year, we became the first company to launch an AI Agronomist globally. What You’ll Do Lead and grow a product-focused backend team. Hire, mentor, and develop engineers to reach their full potential. Shape the technical vision and architecture of our backend systems, ensuring scalability, security, and high availability. Drive the delivery of backend features in collaboration with product managers, designers, and AI/ML engineers. Foster a culture of technical excellence and ownership within the team. Build products that leverage modern AI models to deliver value to farmers worldwide. Improve development processes and team workflows to ensure consistent and timely delivery. Act as a hands-on technical leader: design and review solutions, unblock the team, and contribute to critical code when needed. You’re a Great Fit If You Have 5+ years of backend development experience, with strong Python expertise. Experience leading and scaling a product engineering team. Strong expertise in Python 3.12+, Django 4+, Django REST Framework, Celery, pytest, Redis, PostgreSQL, Docker, RabbitMQ, and AWS. Familiarity with FastAPI and Kubernetes. Bonus points for experience with PostGIS, Helm, or ArgoCD. A track record of building and shipping scalable SaaS products. A solid understanding of Agile methodologies and the ability to align engineering with product goals. A passion for mentoring engineers and building healthy, high-performing teams. Curiosity and excitement about AI/ML-driven products. Proficiency in Ukrainian is a plus. What We Offer A distributed international team with the flexibility to work from anywhere. A product that is changing how agriculture works and creating value for farmers worldwide. A key role in defining our technical and team strategy as we scale.