Senior Fullstack Engineer (.NET/React + Umbraco CMS)

About the role

Truelogic is seeking a Senior Full‑Stack Engineer to work on multiple client‑facing web projects for a digital agency. You will build and maintain scalable applications using .NET technologies and modern front‑end frameworks while integrating CMS‑driven solutions.

Key responsibilities

• Design, develop, and maintain full‑stack features across several client projects.
• Build scalable backend services with C# and .NET Core.
• Create responsive front‑end applications using JavaScript and React or Angular.
• Integrate Umbraco CMS, APIs, and third‑party services to enable content‑rich digital experiences.
• Participate in architecture discussions and technical decision‑making.
• Conduct code reviews and enforce engineering quality standards.
• Collaborate with designers, strategists, producers, and fellow engineers throughout the development lifecycle.
• Ensure code quality through testing, performance optimisation, and best‑practice adherence.
• Document technical solutions and drive continuous‑improvement initiatives.

Required profile

• 5+ years of experience in full‑stack software development.
• Proven ability to work independently while communicating progress, risks, and recommendations.
• Strong collaboration skills with multidisciplinary teams.

Required skills

• .NET Core
• C#
• JavaScript
• React
• Angular
• Umbraco CMS
• API integration
• Code review and testing practices