Senior Front-End Engineer

Description

• Lead the design, development, and deployment of complex front-end features in React and Next.js • Build Server and Client Components according to rendering and caching standards • Implement backend-for-frontend endpoints and integrate with .NET/C# and Python/FastAPI services • Integrate Entra ID/OpenID Connect authentication • Build data-heavy screens, PDF and document viewers, rich-text editors, and workflow wizards • Build streaming user interfaces using SSE, Vercel AI SDK, assistant-ui, and CopilotKit over AG-UI • Implement human-in-the-loop workflows for approving, modifying, or overriding agent recommendations • Handle slow, interrupted, and failed agent calls with retries, timeouts, resumable streams, and status messaging • Contribute to AG-UI event contracts and shared-state design • Conduct code reviews and mentor junior engineers • Build accessible components meeting WCAG 2.1/2.2 AA and Section 508 • Write component and end-to-end tests using Vitest, React Testing Library, and Playwright • Improve CI/CD pipelines, supply-chain controls, and OpenTelemetry instrumentation • Troubleshoot production issues to maintain user-experience availability and reliability • Use and validate approved AI-assisted engineering tools and contribute reusable prompts, skills, agents, and development patterns • Follow policies for AI usage, intellectual property, security, privacy, PHI handling, and Responsible AI • Handle patient data safely under HIPAA

Requirements

• 5+ years of professional software development experience, including 3+ years building production web applications with React and TypeScript • Hands-on experience with Next.js, including Server and Client Components, server-side rendering, and streaming • Experience building streaming or real-time user interfaces using Server-Sent Events or WebSockets • Experience building data-heavy enterprise screens using KendoReact (Telerik) or MUI • Experience integrating front ends with REST APIs and backend services, including the backend-for-frontend pattern • Experience implementing authentication with Entra ID (Azure AD) and OpenID Connect • Strong knowledge of WCAG 2.1/2.2 AA and Section 508 • Experience with Vitest or Jest, React Testing Library, and Playwright • Experience with Docker, CI/CD with GitHub Actions, and Git-based workflows, including pull requests • Strong, daily use of AI-assisted development tools such as GitHub Copilot • Ability to work independently and as part of a globally distributed team • Excellent problem-solving skills • Strong communication skills, including leading technical discussions, presenting to stakeholders, and writing detailed documentation • Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field, or equivalent professional experience • High-speed internet over 10 Mbps at home • Ability to complete identity verification, background check, in-person I-9 verification, and possible drug screening prior to employment • Ability to comply with the prohibition on AI tools during interviews

Benefits

• Work/life balance • Flexible work arrangements • Autonomy • Comprehensive benefits, including health insurance benefits, for qualifying employees • Identity verification and hiring-process support (not a compensation benefit)

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