Senior Full-Stack Engineer (.NET + React) at Flatrock

City of London, England, United Kingdom -

Full Time

Start Date

Immediate

Expiry Date

10 Aug, 26

Salary

0.0

Posted On

12 May, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

.NET, React, C#, TypeScript, ASP.NET Core, SQL Server, Azure, Azure OpenAI, RESTful APIs, CI/CD, Git, SOLID Principles, Redux Toolkit, JavaScript, HTML5, CSS3

Industry

Hospitals and Health Care

Description

Main responsibilities Design, develop, and maintain scalable and secure web applications using .NET, React, and related technologies Take ownership of the entire development lifecycle, including architecture design, coding, testing, deployment, and support Collaborate closely with cross-functional teams, including Product Managers, Designers, and QA Engineers, to deliver high-quality software solutions Lead code reviews, ensuring best practices in coding standards, security, and performance Provide mentorship and technical guidance to junior and mid-level developers Stay updated with emerging technologies and recommend improvements to enhance the technology stack Troubleshoot and resolve complex technical issues to ensure smooth operation of applications Proficient in leveraging AI tools and platforms to support and enhance daily tasks and operational workflows Requirements Backend & Architecture 5+ years of experience in .NET development using C#, ASP.NET Core, and RESTful APIs. Strong knowledge of software design principles, including architecture patterns, SOLID principles, and clean code practices. Experience with SQL Server and relational databases. Experience designing and developing scalable, modular applications and services. Strong analytical, problem-solving, and communication skills. Frontend Development 3+ years of professional experience with React and TypeScript for building modern, scalable web applications. Deep knowledge of JavaScript (ES6+), HTML5, and CSS3, including responsive design and modern layout techniques (Flexbox, Grid). Experience designing modular, reusable React components and scalable frontend architecture. Solid understanding of state management patterns (Redux Toolkit, Context API). Experience integrating RESTful APIs and implementing authentication flows (e.g., JWT). Familiarity with modern frontend build tools and package managers (npm/yarn, Vite/Webpack). Understanding of React performance optimisation techniques. Knowledge of web security and accessibility best practices. Cloud, AI & Integration Experience with cloud platforms, preferably Microsoft Azure. Experience integrating AI/ML capabilities into applications (e.g., Azure OpenAI, Cognitive Services, prompt engineering, AI-assisted automation). Familiarity with AI/ML platforms and frameworks such as Azure ML, Semantic Kernel, LangChain, or ML.NET. Understanding of AI security, data privacy, and responsible AI principles. DevOps & Development Practices Experience with CI/CD pipelines, DevOps practices, and Git workflows. Experience working in agile development environments and cross-functional teams Nice to Have Experience with Next.js. Experience with component libraries such as Material UI or Ant Design. Experience with end-to-end testing tools (Cypress or Playwright). Familiarity with design systems and collaboration tools such as Figma. Experience with microservices architecture. Experience with containerization and orchestration (Docker, Kubernetes). Experience building AI-driven products in product-led, innovation-focused environments. Experience with frontend or full-stack frameworks such as Angular or Blazor. About us Dear recruiters there is no need to edit this.

Responsibilities

Design, develop, and maintain scalable web applications using .NET and React across the entire development lifecycle. Lead code reviews and provide technical mentorship to junior and mid-level developers.