About the Role
Company Overview
Talan Group, through its subsidiary Coexya, is a leading digital consultancy and systems integrator specializing in strategy, integration, and development. With over 950 employees across Lyon, Paris, Rennes, Brest, and Lille, Coexya supports enterprises in their digital transformation—particularly in areas with societal impact such as health, environment, and responsible digital practices.
In 2024, Coexya joined the Talan Group, a global leader in technology consulting and expertise, accelerating client transformation through innovation, technology, and data.
Coexya is deeply committed to diversity, inclusion, and employee well-being. All positions are open to people with disabilities, and reasonable accommodations are provided throughout the recruitment and career journey.
Job Description
Position Title: GIS Developer (F/H) – Developing a 3D Visualization Module
Context
Coexya’s web-based GIS platform aims to make geospatial data sharing faster and more accessible. To further enrich geospatial data exploitation, the next step is to integrate 3D visualization capabilities.
You will be responsible for designing and building a 3D visualization module that enables both representation and interaction with 3D geospatial data—while ensuring seamless integration into the existing platform architecture.
Following an initial training phase on unfamiliar technical components, your key responsibilities will include:
Conducting a comparative study of available 3D visualization solutions (libraries, frameworks) to recommend the most suitable architecture.
Designing, developing, and testing the 3D visualization module.
Integrating the module into existing SIG components of the platform.
Automating deployment processes.
Key Objectives
3D GIS technology implementation
Software architecture design
Full-stack development
Software quality & DevOps practices
Tool adaptation to business needs
Collaborative teamwork
Supervision & Support
Design phase guided by a technical expert from the team
Implementation phase supported by a lead developer
Overall supervision by the platform development manager
Qualifications
Technical Skills
Familiarity with TypeScript or Java
Solid understanding of object-oriented programming (OOP)
Personal Attributes
Strong team spirit and logical thinking
Autonomy, methodical approach, and organizational skills
Technical Environment
TypeScript, Java, HTML/CSS, Angular
Docker, OpenLayers
CI/CD pipelines
Why Join Coexya by Talan?
A societally impactful tech consultancy with a strong reputation
A supportive work environment, rated highly by 72% of employees
Low turnover (<15%) and high average tenure (5 years)
Personalized onboarding over several months, including a welcome pack
Proximity management, regular training (e.g., Escales by Coexya, Coexya Academy), and internal mobility programs
Pleasant office environment in Lyon: near public transport, shared library, on-site gym, urban garden, food trucks, and internal events
Sustainable mobility program: e-bikes, e-cars, carpooling, and mobility allowance
30% of employees are shareholders, reinforcing collective commitment
Recruitment Process
Phone pre-screening with the recruitment team (if CV is selected)
Peer interview to align on expectations and role vision
Final interview with your future manager (BU Director) to discuss career aspirations and opportunities
The entire process is designed to be swift—typically completed within 10 days from first contact to offer.
Location
Coexya – Lyon Office
9 avenue Charles de Gaulle
69370 Saint-Didier-au-Mont-d’Or, France