Full Stack Developer
Job title: Full Stack C#/React Developer
Location: Paris, France (Hybrid)
Contract Type: 6‑Month Mission
Context
We are seeking a Full-Stack C# / React Developer to design and build from scratch, a new generation of tools and a web portal enabling Sales and Structuring teams to price, market, and monitor 24/7 energy offers. These offers ensure hourly matching between renewable production and consumption, a crucial step toward real decarbonization.
You will play a central role in creating a secure, scalable, cloud‑native platform that becomes a cornerstone for the organisation.
Responsibilities:
- Design and implement full‑stack applications using C#/.NET Core and React
- Build a robust web portal used for pricing, quoting, and tracking 24/7 decarbonized offers
- Develop secure, well‑structured APIs for internal teams and external broker partners (TPIs)
- Implement real‑time or near‑real‑time data flows for hourly energy matching
- Translate business requirements into scalable, maintainable technical solutions
- Build cloud‑native components using Microsoft Azure services (App Services, AKS, Azure SQL, Storage, Key Vault, Monitor)
- Design and maintain CI/CD pipelines following best practices
- Collaborate with architects, data engineers, and other developers within the Sales & Customers IS team
- Document solutions and contribute to knowledge sharing
- Bring a proactive mindset and high autonomy in a fast‑moving environment
Technical Skills required:
- C#/.NET Core backend development (expert level)
- React with modern front-end tooling (TypeScript, Hooks, state management)
- Cloud‑native development on Azure, including:
- App Services or Kubernetes (AKS)
- Azure SQL & Storage
- Key Vault
- Monitor / Application Insights
- API design (REST, GraphQL a plus)
- Experience with secure architectures and identity management (OAuth2, Azure AD, MSAL)
- Strong skills in building CI/CD pipelines (Azure DevOps or GitHub Actions)
Please apply directly or alternatively contact me via my email address: shan.
FAQs
Congratulations, we understand that taking the time to apply is a big step. When you apply, your details go directly to the consultant who is sourcing talent. Due to demand, we may not get back to all applicants that have applied. However, we always keep your CV and details on file so when we see similar roles or see skillsets that drive growth in organisations, we will always reach out to discuss opportunities.
Yes. Even if this role isn’t a perfect match, applying allows us to understand your expertise and ambitions, ensuring you're on our radar for the right opportunity when it arises.
We also work in several ways, firstly we advertise our roles available on our site, however, often due to confidentiality we may not post all. We also work with clients who are more focused on skills and understanding what is required to future-proof their business.
That's why we recommend registering your CV so you can be considered for roles that have yet to be created.
Yes, we help with CV and interview preparation. From customised support on how to optimise your CV to interview preparation and compensation negotiations, we advocate for you throughout your next career move.