Senior Xaml Developer Jobs (NOW HIRING)

Job Title: Senior Software Engineer - UI
Job Description
This role offers the opportunity to design and build user interfaces for advanced optical inspection and laser processing products used across semiconductor, flat panel, consumer electronics, automotive, and aerospace industries. As a Senior Software Engineer - UI, you will work in a highly collaborative, cross-disciplinary environment, translating UX designs into robust, scalable applications using modern .NET technologies. You will contribute to a rapidly growing startup environment where you can shape best-in-class solutions, tackle complex technical challenges, and see your work directly impact cutting-edge hardware and metrology systems.
Responsibilities

• Design and develop user interfaces with a strong emphasis on user-centric design, ranging from hardware control interfaces to application-level software.
• Design, build, and maintain clear, efficient, reusable, and reliable code using C#, Blazor, XAML/WPF, and other languages as needed.
• Propose UI and architectural designs and alternatives for internal review with key stakeholders and leadership, resulting in functional, maintainable applications.
• Collaborate closely with UX designers, product managers, and backend developers to create seamless, intuitive user experiences.
• Translate Figma and other UX mockups into accurate .NET-based implementations, ensuring pixel-perfect layouts and interactions without requiring new asset creation.
• Troubleshoot, debug, and maintain existing UI components and applications, addressing issues related to performance, usability, and stability.
• Participate actively in code reviews, adhering to development best practices, coding standards, and established git-flow processes.
• Integrate third-party libraries and components, especially in the areas of visualization and streamlined user interaction.
• Implement and maintain automated tests, including unit tests and UI automation tests, to ensure high-quality, reliable software.
• Apply modern software development practices such as continuous integration, package management, and containerized builds.
• Contribute to agile development processes, including sprint planning, stand-ups, and retrospectives, while working closely with program and product management.
• Track, document, and communicate issues related to instrument operation, software bugs, and performance to the agile team and program leadership.
• Mentor junior engineers through code reviews, pull request feedback, and pair programming sessions, fostering best practices and continuous learning.
• Adapt quickly to new technologies, codebases, and architectures, understanding both the overall system design and detailed implementation.
• Support major enhancements and upgrades on key projects, taking ownership of design, implementation, and delivery of significant UI features.
• Travel domestically and internationally up to approximately 10% of the time to support projects, collaborate with teams, or engage with customers as needed.

Essential Skills

• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent experience.
• 6+ years of professional software development experience.
• Strong proficiency in C# and object-oriented programming.
• Experience working with .NET frameworks, including modern .NET and Windows Presentation Foundation (WPF).
• Hands-on experience with Blazor, Razor, or MAUI; alternatively, strong experience with ASP.NET MVC or ASP.NET Web Forms combined with HTML and CSS.
• Proficiency in UI technologies such as JavaScript, TypeScript, HTML, Bootstrap, and CSS.
• Experience interacting with APIs, including REST APIs or equivalent integration mechanisms.
• Experience working in the Azure ecosystem or equivalent cloud environment, with particular emphasis on Azure DevOps or similar tools.
• Hands-on experience with modern software development practices including git-flow, continuous integration, package management, and containerized builds.
• Demonstrated history of test automation, including unit testing, code analysis, and delivering high-quality software.
• Experience working in agile development environments.
• Ability to work quickly and dynamically in a fast-paced startup environment.
• Excellent written and verbal communication skills.
• Ability to ramp up quickly on new codebases, architectures, and technologies while maintaining attention to detail and code quality.

Additional Skills & Qualifications

• Strong understanding of UI design principles, user-centric design, and best practices for building intuitive user interfaces.
• Experience and interest in machine vision and visualization-intensive applications.
• Familiarity with software development for capital equipment or systems involving hardware control is a plus.
• Experience with WinUI and XAML-based technologies.
• Background working with gRPC or similar communication frameworks.
• Experience writing tests and UI automation using tools such as Playwright or similar frameworks.
• Experience taking Figma or comparable UX mockups and accurately recreating them within the .NET environment.
• Experience delivering major enhancements or upgrades on at least one significant project, including design and implementation responsibilities.
• Exposure to data management concepts and integrating UI with data-driven backends.
• Familiarity with Jira or other agile project management tools as an alternative to Azure DevOps.
• Interest in working on disruptive technologies in metrology, laser processing, and solid-state energy devices.

Work Environment
This position is based on-site five days per week in a brand-new, state-of-the-art facility that supports highly collaborative work and heavy research and development activities. You will work closely with cross-functional teams, including hardware, software, UX, and product stakeholders, in an environment that values innovation, rapid learning, and continuous improvement. The technology stack centers around modern .NET, C#, WPF, Blazor, Azure-based tools, and contemporary CI/CD practices, with frequent interaction with advanced hardware and capital equipment. The culture emphasizes open communication, mentorship, and teamwork, with opportunities to contribute directly to disruptive technologies. The role may involve up to approximately 10% domestic and international travel to support projects and collaboration. The company offers benefits such as vacation time and the opportunity to work on cutting-edge, industry-shaping solutions.
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 $60.10 - $64.90/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 Jun 30, 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 actalentaccommodation@actalentservices.com 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.