Senior Developer - Full-Stack C#, .NET, React, Azure

As a Senior Developer, you'll play a key role in designing, developing and maintaining high-quality software solutions across both enterprise and client-facing environments. You'll work closely with developers, UX/UI designers, product teams and stakeholders to bring innovative ideas to life and deliver outstanding digital products.

This position offers exposure to modern technologies, DevOps practices, and the opportunity to contribute to a culture of continuous improvement. You'll attend the London office once a week as part of a flexible hybrid model.

What You'll Be Doing

• Deliver hands-on full-stack development with a strong focus on front-end engineering and excellent UX.
• Build, maintain and support enterprise-grade and customer-facing applications.
• Collaborate with architects, business teams and project managers to translate concepts into practical technical solutions.
• Lead by example in coding standards, best practices and code reviews.
• Mentor junior and mid-level developers, supporting their growth and development.
• Assist with workstream planning, backlog management and driving team productivity.
• Manage external development partners or internal team members when required.
• Use modern DevOps methodologies to streamline delivery and increase efficiency.

You will be a confident, proactive developer who enjoys solving problems, collaborating effectively, and taking ownership of your work.

You'll bring:

• Proven experience delivering digital products using agile methodologies.
• Strong expertise in C#, .NET, React and Azure.
• Additional skills across JavaScript, HTML/CSS and Azure PaaS (Functions, Logic Apps, Cosmos DB, App Service, Service Bus).
• Knowledge of ARM/Bicep templates and SharePoint (beneficial).
• Solid understanding of software development principles and secure coding.
• Experience with DevSecOps and automated testing tools.
• A creative, detail-oriented and solutions-driven mindset.
• Ability to adapt in a fast-paced agile environment.
• Relevant development or cloud certifications (advantageous).

Are you an experienced Senior Developer with strong full-stack skills and a passion for modern cloud technologies? Do you enjoy leading by example, shaping technical solutions, and mentoring others? This is an exciting opportunity to join a forward-thinking organisation that is investing heavily in digital transformation and cutting-edge technology., * A people-first culture that values individuality and contribution.

• A genuinely flexible working environment with hybrid options.
• Clear career progression pathways supported by structured development frameworks.
• Access to modern collaboration tools and environments.
• Opportunities to expand your skills across multidisciplinary teams.
• A supportive environment that encourages innovation, curiosity and continuous learning.

Ready to Take the Next Step?

Modis International Ltd acts as an employment agency for permanent recruitment and an employment business for the supply of temporary workers in the UK. Modis Europe Ltd provide a variety of international solutions that connect clients to the best talent in the world. For all positions based in Switzerland, Modis Europe Ltd works with its licensed Swiss partner Accurity GmbH to ensure that candidate applications are handled in accordance with Swiss law. Both Modis International Ltd and Modis Europe Ltd are Equal Opportunities Employers.