Senior Ui Designer

Job Title: Senior UI Software Engineer
Job Description
This role offers an opportunity to shape the user interface for advanced optical inspection and laser processing products used across semiconductor, flat panel, consumer electronics, automotive, and aerospace industries. As a Senior UI Software Engineer, you will work within a cross-disciplinary software development team to design and build user-centric interfaces that control complex hardware and application software. You will contribute to best-in-class solutions in a fast-paced, well-funded startup environment that emphasizes innovation, quality, and modern engineering practices, with occasional domestic and international travel of up to 10%.
Responsibilities

• Design and develop user interfaces with a strong emphasis on user-centric design for both hardware control and application software.
• Design, build, and maintain clear, efficient, reusable, and reliable code using C#, Blazor, XAML/WPF, and other relevant languages and frameworks.
• Propose UI designs and technical alternatives, and present them for internal review with key stakeholders and leadership to arrive at functional, scalable applications.
• Collaborate closely with UX designers, product managers, and backend developers to create seamless, intuitive user experiences.
• Troubleshoot, maintain, and enhance existing UI components and applications, including implementing major upgrades and architectural improvements.
• Participate in code reviews, enforce and follow coding standards, and adhere to industry-standard development best practices.
• Integrate third-party libraries and components, especially for visualization and streamlined user interaction.
• Apply modern software development practices such as git-flow, continuous integration, package management, and containerized builds.
• Develop and maintain automated tests, including unit tests and UI automation tests, to ensure code quality and reliability.
• Track, document, and communicate issues related to instrument operation, bugs, and performance to the agile team and program management.
• Contribute as both an individual contributor and a collaborative team member, delivering high-quality work with strong attention to detail.
• Identify risks and obstacles early, communicate them openly and in a timely manner, and take appropriate action to help meet project schedules.
• Mentor junior engineers through code reviews, pull request feedback, and pair programming, fostering best practices in UI development.
• Adapt quickly to new codebases, architectures, and technologies, and apply your experience across different platforms and industries.

Essential Skills

• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent experience.
• At least 6 years of professional experience in software development, with approximately 6 years focused on UI development and around 10 total years of software development experience.
• Strong experience with C#, .NET (any version), and object-oriented programming.
• Proficiency with .NET frameworks and Windows Presentation Foundation (WPF).
• Experience with UI technologies such as Blazor, Razor, or .NET MAUI, or a combination of CSS, HTML, C#, and JavaScript.
• Experience with ASP.NET MVC or ASP.NET Web Forms, along with solid HTML and CSS knowledge.
• Hands-on experience with Azure or equivalent cloud tools, with particular emphasis on Azure DevOps or comparable tools such as Jira.
• Proficiency in modern software development practices including git-flow, continuous integration, package management, and containerized builds.
• Experience working in agile development environments.
• Demonstrated history of test automation, including unit testing, code analysis, and delivering high-quality software.
• Strong understanding of UI design principles and best practices, with a focus on usability and user-centric design.
• Excellent written and verbal communication skills.
• Ability to work quickly and dynamically in a fast-paced startup environment and to switch technologies and platforms comfortably.

Additional Skills & Qualifications

• Experience and interest in machine vision.
• Familiarity with software development for capital equipment and hardware control systems.
• Experience integrating third-party visualization and interaction components.
• Experience with UI automation testing tools such as Playwright or similar frameworks.
• Knowledge of GRPC for communication between services or components.
• Experience with WinUI and advanced WPF techniques.
• Background in developing user interfaces for disruptive or emerging technologies.
• Ability to ramp up quickly on new codebases and architectures, and to understand both high-level system design and low-level implementation details.

Work Environment
This position is based on-site five days a week in a brand-new, highly collaborative facility that emphasizes research and development. You will work closely with a cross-disciplinary team of engineers and product stakeholders in an environment focused on innovation, rapid iteration, and high-impact solutions. The role involves working with modern Microsoft and .NET technologies, Azure-based tooling, and contemporary development pipelines. Assignments may include up to 10% domestic and international travel to support products deployed globally. The culture values open communication, teamwork, mentoring, and a strong commitment to code quality, while providing opportunities to work on disruptive technologies that influence multiple high-technology industries.
Job Type & Location
This is a Contract to Hire position based out of Beaverton, OR.
Pay and Benefits
The pay range for this position is $57.69 - $76.92/hr.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)
Workplace Type
This is a fully onsite position in Beaverton,OR.
Application Deadline
This position is anticipated to close on Jul 20, 2026.
About Actalent


Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service.


The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.


If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email View email address on click.appcast.io for other accommodation options.



San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.



Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.



Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.