SBS Creatix is hiring: Sr UI Software Engineer (Boulder) in Boulder

Job Title : Senior UI Software Engineer (On Site)

Location: Boulder, CO

No C2C Offers please. Candidates must be able to work in the US without a sponsor.

Our client is engineering a next-generation Work Orchestration platformone that transforms complex organizational processes into clear, intuitive, action-driven experiences. Their UI and UX are central to that mission. They develop their front end using WiseJ, enabling engineers to build rich, enterprise interfaces entirely in C# and .NETwith strongly typed code, centralized controls , and without the typical bloat of sprawling JavaScript frameworks and constantly shifting third-party libraries. Their engineering team is supported by a world-class, fully-managed Figma Design System, including design tokens, responsive variants, and component-compliant wireframes and prototypes. This gives engineers a complete, consistent UI blueprintfreeing them to focus on architecture, performance, and behavior rather than recreating UI patterns from scratch. If you want to build beautifully engineered, large-scale UI systems in an environment designed for clarity and craftsmanship, Nexee is the place.

Position Overview: We are seeking a Senior UI Software Engineer to lead development of a an enterprise-grade interface. You will architect highly interactive, intelligent User Interfaces using a unified .NET and WiseJ stack, while collaborating closely with product and design to deliver a first-class user experience.

Key Responsibilities

Architect and implement high-performance user interfaces using WiseJ, C#, and .NET, with a strongly typed and unified codebase.

Translate Figma design system components, wireframes, and prototypes directly into consistent, pixel-aligned engineering implementations.

Develop adaptive layouts, multi-panel interfaces, drag-and-drop tools, and other advanced interaction patterns for enterprise-scale use cases.

Maintain clean, composable, reusable UI architecture that avoids unnecessary libraries and minimizes complexity.

Collaborate with UX, product, and backend engineering to ensure seamless integration across all system layers.

Contribute to UI standards, internal tooling, code quality, and mentorship of other engineers.

Team management experience.

Qualifications Required

Bachelors in Computer Science, Engineering, or related field.

610+ years of UI engineering experience with complex, data-heavy, or enterprise platforms.

Strong proficiency in C#, .NET, Visual Studio, and object-oriented UI development.

Experience designing and shipping real-time, component-driven UI systems.

Deep understanding of UI architecture, state management, and interaction modeling.

Preferred (Not Required)

Experience with WiseJ or other server-managed UI frameworks.

Experience working with structured Figma design systems, including tokens, variants, and engineering-aligned prototypes.

Background building reusable UI component libraries and internal platform frameworks.

Familiarity with distributed systems, real-time data and workflow automation tools.

Why this job?

Competitive salary and benefits

Collaborative, high-talent, on-site engineering culture in Boulder, CO

A unified, strongly typed UI stackno fractured front-end layers

Direct influence over a platform designed for massive scale

A culture that values clarity, simplicity, craftsmanship, and deep work How to

Competitive salary and benefits.

A flexible and dynamic work environment.

Opportunities for professional growth and development.

A culture that values work-life balance.

The chance to be part of a transformative enterprise solution.