Full Stack Engineer - .Net/React.js

Role : Full Stack Developer (C# / .NET / React)Remote - Long-Term Contract - UK Client.About Us : We're a fast-growing UK software development consultancy of around 50 people, specializing in bespoke and outsourced software solutions for clients across multiple sectors.Our headquarters is in the UK, with an established and high-performing engineering team based in Poland.We've had a strong run of growth and our pipeline is bigger than ever - which means we're expanding the team now to keep pace with demand.The Role : We're looking for a solid mid-level full-stack developer who can slot into an active team, contribute quickly, and take real ownership of features.You'll work within structured project environments alongside tech leads and project managers, delivering long-term software development for our clients.This is a fully remote role, and you'll be working closely with our Poland-based engineering team day to day.We have high standards and are looking for engineers who take pride in their craft and want to build high-quality software.What You'll Be Doing : - Building full-stack features across our Microsoft ecosystem.- Delivering client-facing outsourced software projects end to end.- Collaborating with tech leads to scope, estimate, and ship reliably.- Writing clean, maintainable, well-structured code that meets engineering standards.- Contributing to solution design and technical discussions.- Working with AI-assisted development tools while validating and refining outputs to production quality.- Contributing to CI/CD pipelines and deployment processes in Azure environments.Tech Stack : - Core (must have) : C# / .NET, React, TypeScript, SQL Server, Azure, HTML / CSS.- Nice to have : Azure AI, Copilot, Experience scoping or building AI solutions.What We Are Looking For : - Proven mid-level experience - you've shipped real production software end to end.- Strong hands-on experience across the full stack (C#, .NET, React, TypeScript, Azure, SQL Server).- Startup or small team background - you are comfortable with autonomy, moving fast, and working without heavy process or hand-holding.- AI-first mindset - you reach for AI tools instinctively to move faster, not as a last resort.- We want someone who leans on tools to find solutions, not someone who goes line by line through code before trying anything else.- Ability to use AI development tools effectively while critically evaluating and validating their output.- Experience with CI/CD pipelines and deploying applications in Azure environments.- Strong engineering fundamentals - you can explain technical decisions and trade-offs clearly.- High coding standards - you care about maintainability, structure, and long-term quality.- Clear communicator, comfortable in structured, client-facing project environments.- Reliable and self-directed in a fully remote setup.- Demonstrable passion for software development - side projects, continuous learning, community engagement. (ref:hirist.tech)