Coexya is a digital leader and specialist (consulting, integration and development) with more than 950 employees across Lyon, Paris, Rennes, Brest and Lille. In 2024 Coexya joined the Talan group, a global technology consulting company. The Rennes office hosts about 130 colleagues, and you will join the Smart Data team, a group of 25 people spread between Lyon and Rennes, transforming clients' document bases into intelligent platforms. We design enterprise search engines augmented with AI to harness unstructured information and support decision making, combining Search technologies with Large Language Models (GPT, Mistral) and innovative approaches such as RAG, graph databases, and Agentic AI. Your role as Lead Fullstack Developer is to contribute to high-impact Search & GenAI solutions, on technically challenging problems. You will work in a modern, evolving tech stack: Front-end Angular/AngularJS; Back-end C#/.NET. You will be part of a 3–5-person team and will design and implement tailored solutions, write detailed technical specifications, ensure code quality, integrate the latest technologies, and become the technical reference for the teams. You will also take ownership of maximizing the potential of the Sinequa search solution. Daily you will be supported by experienced architects and project leads. Depending on your ambitions, the role can evolve into an architect position. Requirements include at least 5 years of web development experience on a C#/.NET platform, prior technical leadership or lead experience, a first experience on the frontend, and a strong curiosit

Coexya is a digital leader and specialist (consulting, integration and development) with more than 950 employees across Lyon, Paris, Rennes, Brest and Lille. In 2024 Coexya joined the Talan group, a global technology consulting company. The Rennes office hosts about 130 colleagues, and you will join the Smart Data team, a group of 25 people spread between Lyon and Rennes, transforming clients' document bases into intelligent platforms. We design enterprise search engines augmented with AI to harness unstructured information and support decision making, combining Search technologies with Large Language Models (GPT, Mistral) and innovative approaches such as RAG, graph databases, and Agentic AI. Your role as Lead Fullstack Developer is to contribute to high-impact Search & GenAI solutions, on technically challenging problems. You will work in a modern, evolving tech stack: Front-end Angular/AngularJS; Back-end C#/.NET. You will be part of a 3–5-person team and will design and implement tailored solutions, write detailed technical specifications, ensure code quality, integrate the latest technologies, and become the technical reference for the teams. You will also take ownership of maximizing the potential of the Sinequa search solution. Daily you will be supported by experienced architects and project leads. Depending on your ambitions, the role can evolve into an architect position. Requirements include at least 5 years of web development experience on a C#/.NET platform, prior technical leadership or lead experience, a first experience on the frontend, and a strong curiosit