Application Developer
Posted 13 Oct 2026
Advertised as “TTT - .NET Plus Angular - Full Stack With Gen AI - Staff”
BranchFactor Summary
The original posting with the fluff stripped out
- Expected experience
- 5–10 yrs
- Management level
- Individual contributor
No salary listed for this role.
CertificationsMaster’s Degree
Field of studyInformation Technology, Software Engineering
At EY, you’ll have the chance to build a career as unique as you are, with the global scale, support, inclusive culture and technology to become the best version of you. And we’re counting on your unique voice and perspective to help EY become even better, too. Join us and build an exceptional experience for yourself, and a better working world for all.
Job title : Agentic AI – Application Developer (.NET) - Senior
The opportunity
We’re looking for Senior with expertise in full-stack application development using .NET, C# for Agentic AI applications to join the TTT team in the Tax Service Line. This is a fantastic opportunity to be part of a pioneering firm while playing an instrumental role in the growth of Agentic AI transformation.
Your key responsibilities
- Design, develop, and implement AI agents/plugins/interfaces and APIs, ensuring integration with various systems aligns with the core product/ platform development strategy.
- Estimate and manage technical efforts, including work breakdown structures, risks, and solutions, while adhering to development methodologies and KPIs.
- Maintain effective communication within the team and with stakeholders, proactively managing expectations and collaborating on problem-solving.
- Contribute to the refinement of development/engineering methodologies and standards, anticipating potential issues and leading the resolution process.
Skills and attributes for success
Must-Have:
- Skilled in full-stack application development with .NET C#, REST Api, React or any other typescript based UI frameworks, SQL databases
- Advanced knowledge of Azure services such as Azure app services, Azure Functions, Entra ID, Azure Foundry Services etc.
- Containerisation – Docker, Azure container apps, Azure Kubernetes Services (AKS)
- No-SQL database such Cosmos or Mongo DB
- Working experience with source control such as git or TFVC
- CI/CD pipelines, Azure DevOps, GitHub Actions etc both for code and infrastructure
- Working experience with AI Coding platforms such as GitHub copilot, Cursor, Claude or similar
- Generative AI application development with Azure OpenAI, Microsoft Agent Framework/ Semantic Kernel, MCP, and Vector databases like Azure AI search, Postgres, etc.
- Understanding of various types of Large Language Models (LLMs)