Senior UI Engineer I

Headquartered in Irvine, California, EBizCharge specializes in developing integrated payment solutions that facilitate electronic payment processing within ERP, CRM, Mobile, and eCommerce applications. Our applications are PCI compliant and fully integrated with major ERP/accounting systems, including QuickBooks, Sage, SAP Business One, Microsoft Dynamics, NetSuite, Epicor, Acumatica, and major online shopping carts, including Magento and WooCommerce. EBizCharge offers its employees tremendous learning opportunities, career growth potential, and a dynamic work environment.

As a Senior UI Engineer I at EBizCharge, you will play a key role in shaping the architecture, quality, and visual polish of our customer-facing applications, web and mobile experiences. You are a front-end specialist with an exceptional eye for detail, a passion for beautiful, intuitive user interfaces, and the ability to bring designs to life with precision and care. You will collaborate closely with UX/UI Designers, Product Managers, and Engineering leaders to deliver high-quality, responsive, and scalable UI solutions that elevate the EBizCharge user experience.
Recent experience working with .NET is required. A portfolio link is required to be considered for this role.
Responsibilities & Expectations

• Partner closely with UX/UI Designers, Product Owners, and Engineering Managers to deliver polished, mobile-responsive, and web-based experiences with a strong emphasis on usability and visual consistency.
• Architect, design, develop, and maintain reusable front-end components, UI patterns, and design systems that scale across products.
• Translate high-fidelity designs into pixel-perfect, accessible, and performant user interfaces.
• Create and maintain responsive web designs that work seamlessly across modern browsers and devices.
• Actively participate in code reviews, contributing to high standards for UI quality, maintainability, and performance.
• Use Git and GitHub pull request workflows effectively in a collaborative engineering environment.
• Participate in the full development lifecycle, including planning, implementation, testing, release, and deployment.
• Communicate progress, tradeoffs, and UI decisions clearly with leadership and cross-functional stakeholders.
• Collaborate with designers to conceptualize, iterate, and finalize modern UI solutions, advocating for best practices in front-end engineering and user experience.

Skills & Qualifications

• Bachelor’s or Master’s degree in Computer Science or a related field.
• 4+ years of experience as a Front-End Developer, UI Engineer, or similar role, working on production-grade user interfaces.
• Strong expertise in HTML, CSS, JavaScript, and modern front-end development best practices.
• Proficiency with Blazor, jQuery, Bootstrap, .NET MVC, and .NET Core required.
• Experience working with C# in a .NET environment.
• Familiarity with modern JavaScript frameworks (e.g., Angular, Backbone, Ember, or similar).
• Experience with CSS pre-processors such as Sass or Less.
• Experience consuming APIs, including REST, GraphQL, SOAP, and AJAX-based services.
• Familiarity with design tools such as Figma and collaborating closely with designers.
• Working knowledge of relational databases such as MS SQL, MySQL, or PostgreSQL.
• Strong problem-solving and analytical skills.
• A passion for UI design, front-end craftsmanship, and delivering highly polished, pixel-perfect interfaces.
• Demonstrated attention to detail and pride in building clean, intuitive, and visually refined user experiences.