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

About the role

We are seeking a Senior Full‑Stack Engineer to join a fast‑moving digital agency. You will work on multiple client‑facing web projects, building and maintaining scalable applications using .NET technologies and modern front‑end frameworks.

Key responsibilities

• Design, develop, and maintain full‑stack features for various enterprise web solutions.
• Build backend services with C# and .NET Core.
• Create responsive front‑end experiences using JavaScript and React or Angular.
• Integrate Umbraco CMS, external APIs, and third‑party services to enable content‑driven digital experiences.
• Participate in architecture discussions and make technical decisions.
• Conduct code reviews and enforce engineering quality standards.
• Collaborate closely with designers, strategists, producers, and fellow engineers throughout the development lifecycle.
• Ensure code quality through testing, performance optimization, and best‑practice adherence.
• Document technical solutions and support continuous improvement initiatives.

Required profile

• 5+ years of professional software development experience.
• Proven ability to work independently and communicate progress, risks, and recommendations.
• Experience delivering high‑quality solutions in a fast‑paced agency environment.

Required skills

• .NET Core
• C#
• JavaScript
• React
• Angular
• Umbraco CMS
• API integration

What we offer

• Opportunity to work on diverse, high‑impact projects for enterprise clients.
• Collaboration with multidisciplinary teams in a supportive culture.
• Professional growth within a leading near‑shore staff augmentation provider.