Remote Senior .NET/React Full-Stack Engineer (Umbraco)

Downtown Boulder Partnership; United States; On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

100% Remote Work

Highly Competitive USD Pay

Paid Time Off

Autonomy to manage your time

Work with Top American Companies

Job summary

Truelogic is seeking a Senior Full-stack Engineer to contribute to multiple client-facing web projects, building and maintaining scalable applications using .NET technologies and modern frontend frameworks.

This role suits an engineer who enjoys working across the stack, developing backend services and frontend experiences, and delivering high-quality technical implementations in a fast-paced agency environment.

Qualifications

• Minimum 5+ years as a software developer.
• Strong experience with C# and .NET Core in a professional setting.
• Frontend development experience with JavaScript and React (Angular acceptable).
• Solid HTML, CSS, and JavaScript fundamentals.
• Experience building and consuming REST APIs.
• Experience integrating CMS platforms; Umbraco preferred.
• Experience with Microsoft SQL Server.
• Familiarity with Git and CI/CD workflows.
• Strong English communication skills, written and verbal.

Responsibilities

• Design, develop, and maintain full-stack features across multiple client projects.
• Build scalable backend services using C# and .NET Core.
• Develop responsive frontend applications using JavaScript and React (or Angular).
• Integrate CMS platforms, APIs, and third-party services for content-driven experiences.
• Participate in architectural discussions and contribute to technical decisions.
• Conduct code reviews to uphold engineering quality standards.
• Collaborate with designers, strategists, producers, and engineers throughout the lifecycle.
• Ensure code quality through testing and performance optimization.
• Communicate progress, risks, blockers, and recommendations clearly.
• Maintain technical documentation and support continuous improvement across projects.

Skills

C#

.NET Core

JavaScript

React

HTML/CSS/JS fundamentals

REST APIs

Umbraco CMS

Git

CI/CD

English proficiency

Tools

Umbraco CMS

Git

CI/CD tooling

Job description

Truelogic is seeking a Senior Full-stack Engineer to contribute to multiple client-facing web projects, building and maintaining scalable applications using .NET technologies and modern frontend frameworks.

This role suits an engineer who enjoys working across the stack, developing backend services and frontend experiences, and delivering high-quality technical implementations in a fast-paced agency environment.