Founding Software Engineer (Backend, Cloud & AI Infrastructure)

NexTex AI is a Berlin deep-tech startup building an AI intelligence layer for textile manufacturing. Join the founding team to build scalable backend, cloud and edge-to-AI infrastructure. • Design and develop scalable backend services and REST APIs • Build cloud-native infrastructure and CI/CD deployment pipelines • Develop industrial data pipelines for machine, sensor and camera data • Support edge-to-cloud communication and industrial integrations • Support AI model deployment, monitoring and inference workflows • Build dashboards, analytics systems and internal tools • Structure textile production data, defect classifications and sustainability KPIs • Work directly with pilot factories and industrial partners • Contribute to product architecture and technical strategy • Bachelor’s or Master’s degree from a university in the EU (mandatory for EXIST Startup Grant eligibility) • Valid EU residence/work authorization, or eligibility to obtain one for Germany • Strong Python and C++ programming skills • Experience with FastAPI, Django, Flask, Node.js or similar frameworks • Experience with PostgreSQL or comparable database systems • Experience with Docker and containerized environments • Experience with AWS, Azure or Google Cloud • Solid understanding of REST APIs and scalable software architecture • Fluent English and ability to work independently in an early-stage startup Preferred: • Based in Berlin or willing to relocate • German B2/C1; German-speaking work experience is a strong advantage • Computer Vision or Machine Learning with PyTorch, TensorFlow or ONNX • MLOps, NVIDIA Jetson, CUDA or TensorRT experience • Industrial IoT, PLC/SCADA or manufacturing experience • Startup/founding-team experience and interest in Industry 4.0 • 15% equity as a founding team member • Approx. €2,500/month via the German Federal EXIST Startup Grant during the first year • Significant compensation increase planned after MVP validation and funding milestones • Direct impact on product, technology and company strategy • Access to real industrial production environments and pilot textile factories • Hands-on work across AI, Computer Vision, Edge AI, Industrial IoT and sustainability intelligence • Direct collaboration with founders, academic advisors and industry partners • Startup coaching, legal support and mentoring through EXIST and ProFIT Berlin • Flexible hybrid working environment • Clear path to CTO-level growth as the company scales Please submit your CV, LinkedIn profile and a short introduction explaining why you are interested in joining NexTex AI. Selected candidates will be invited to: 1\. Introductory discussion with the founders 2\. Technical discussion and architecture review 3\. Final founder meeting Join NexTex AI as a founding team member with 15% equity and help build the future of industrial AI for textile manufacturing.