Senior .NET Full-Stack Developer — AI‑Aided Leadership

Prime Health Services; Poitiers; Sur place; EUR 65 000 - 90 000; Plein temps

Avantages offerts par ce poste

Medical Insurance

Dental & Vision Insurance

Disability Insurance

Life Insurance

Generous PTO

Employee recognition

Office amenities

Employee events

Résumé du poste

Prime Health Services seeks an experienced Senior Application Developer to lead complex Microsoft-based application features from discovery through production support. You will translate business needs into technical designs, own solutions, and mentor other developers while applying AI-assisted development practices.

You will design secure, scalable systems using .NET, C#, React, TypeScript, SQL Server, REST APIs, and Azure, establish testing strategies, and drive CI/CD improvements in a

Qualifications

• Advanced professional experience developing full‑stack applications with Microsoft .NET, C#, SQL Server, web technologies, APIs, automated testing, and source-control practices.
• Experience delivering complex features or cross-system solutions and supporting production applications.
• Strong knowledge of application architecture, data modeling, integration patterns, security, performance, maintainability, CI/CD, and release practices.
• Experience leading technical design, code review, root-cause analysis, and technical problem solving.
• Demonstrated ability to mentor developers and influence engineering quality without direct supervisory authority.
• Demonstrated ability to validate and improve AI-generated requirements, technical designs, code, tests, and documentation.
• Degree, relevant technical certification, or equivalent directly related experience sufficient to perform the responsibilities of the role.

Responsabilités

• Lead requirements analysis, solution design, implementation, testing, deployment, and support for complex application features and cross-system solutions.
• Facilitate discussions with product owners, business stakeholders, and engineers to clarify outcomes, assumptions, dependencies, risks, acceptance criteria, and technical constraints.
• Design secure, scalable, maintainable solutions using .NET, C#, React, TypeScript, SQL Server, REST APIs, Azure services, and approved integration patterns.
• Define API contracts, data models, application boundaries, implementation plans, and testing strategies for assigned solutions.
• Establish unit, integration, API, regression, and browser-based automated testing appropriate to solution risk and complexity.
• Review technical designs, pull requests, code changes, test coverage, and documentation and provide clear, actionable feedback.
• Troubleshoot complex production issues, perform root-cause analysis, and guide durable corrective actions.
• Identify technical debt and recommend remediation based on risk, business value, maintainability, and delivery priorities.
• Maintain and improve CI/CD pipelines, release practices, development standards, and operational documentation.
• Mentor Application Developers in software design, technical problem solving, testing, documentation, and responsible AI-assisted development.
• Contribute reusable prompts, instructions, patterns, reference examples, and quality practices to the development team.

Connaissances

Full-stack development

.NET / C#

SQL Server

APIs

CI/CD

Mentoring

AI-assisted development

Formation

Bachelor's degree or equivalent

Outils

Azure services

Playwright

React

TypeScript

ASP.NET Web API

Description du poste

Prime Health Services seeks an experienced Senior Application Developer to lead complex Microsoft-based application features from discovery through production support. You will translate business needs into technical designs, own solutions, and mentor other developers while applying AI-assisted development practices.

You will design secure, scalable systems using .NET, C#, React, TypeScript, SQL Server, REST APIs, and Azure, establish testing strategies, and drive CI/CD improvements in a