Senior Full-Stack Engineer

Seeking a highly skilled and motivated Full-stack Engineer to play an essential role in shaping how my client develops, scales, and delivers secure, user-focused technology. You will lead by example, combining hands-on coding with architectural expertise, and balancing speed with accuracy. This is more than a coding role; it’s an opportunity to securely integrate AI into their platform, take ownership of complex systems, mentor team members, and influence decisions that greatly affect their customers.

• Own end-to-end technical delivery for features and architectural improvements
• Build performant and accessible UIs using Vue.js and TypeScript
• Design and evolve backend services in C#/.NET 6–8 using secure coding practices
• Write and maintain automated unit, integration, and end-to-end tests
• Support our CI/CD pipelines and deployment readiness
• Lead code reviews and mentor team members in best practices
• Translate product requirements into clear, pragmatic implementation steps
• Proactively suggest and drive improvements across tooling, performance, and UX

About you:

• Makes autonomous decisions with transparency, clear communication, and thoughtful trade-offs.
• Mentors and supports teammates with empathy and clarity, helping to unblock progress.
• Balances technical expertise with a strong focus on delivering value to customers.
• Proactively improves systems by refactoring and scaling intelligently, beyond just adding features.
• Keeps projects on schedule, identifies potential risks early, and ensures follow-through without reminders.
• Established career in software development, including full ownership of production systems.
• Confident in using AI tools to enhance development efficiency and experienced in integrating AI features like large language models (LLMs), semantic search, and recommendation engines into applications.
• Deep expertise in .NET and C#, including .NET Core and latest versions like .NET 6/7/8.
• Strong frontend development skills with Vue.js, TypeScript, JavaScript, and modern CSS/SCSS.
• Proven experience building and maintaining test automation and CI/CD pipelines.
• Skilled in working with SQL Server and designing APIs, including REST and GraphQL.
• Knowledgeable about cloud platforms such as Azure, AWS, and microservices architecture.
• Familiar with secure development practices and OWASP standards.
• An effective, respectful communicator across technical and non-technical audiences.
• Experience working with legacy codebases (e.g., VB.NET) and modernizing them gradually.
• Knowledge of MicroFrontend architecture and ways to optimize performance.
• Experience developing or integrating AI/ML-powered features like content generation, summarization, or intelligent analytics.
• Familiarity with prompt engineering and fine-tuning large language models (LLMs) is a plus.

This is a UK-based, full-time, remote work opportunity. Enjoy a range of excellent benefits, starting with 25 days of paid time off each year plus statutory bank holidays, with days increasing up to 30 days. A generous pension plan with up to 10% matched contributions, along with comprehensive private healthcare through AVIVA to support your health and wellbeing, and sick leave pay.