Senior Front End Developer

About Goods & Services

Goods & Services is a product design and engineering company.

We solve mission-critical challenges for some of the world’s largest enterprises, with deep expertise in highly regulated industries—including life sciences and financial services. Our design-led approach allows us to apply cutting-edge capabilities in AI, Data and Hardware Engineering to companies of any size.

Headquartered in the United States, we operate regional development centers in Mexico and the United Kingdom. This global footprint—anchored by our nearshore model—enables us to deliver at scale with the speed, efficiency, and cultural alignment our clients expect.

About the job

Goods & Services is looking for a Senior Front End Engineer to join our development team working on a microservices-based healthcare platform. In this role, you will focus on building, maintaining, and improving web-based user interfaces using React 19 and TypeScript. You will work closely with Python backend engineers, designers, and product teams to deliver reliable, accessible, and high-quality user experiences in a regulated healthcare environment.

What you’ll do:

• Develop and maintain frontend applications using React 19 and TypeScript (Create React App–based projects).

• Build responsive and accessible UI components using Material-UI (MUI v6) design system.

• Collaborate with Python microservices backend teams to integrate frontend applications with RESTful APIs.

• Implement efficient data fetching and state management using TanStack Query (React Query).

• Ensure high standards of accessibility (WCAG), performance, and responsiveness.

• Translate UX/UI designs, wireframes, and mockups into clean, functional, and reusable TypeScript components.

• Optimize frontend performance, including rendering efficiency, page load times, and bundle size.

• Maintain and evolve existing applications, including bug fixes and incremental improvements.

• Write and maintain comprehensive frontend tests using Jest and React Testing Library to ensure reliability and long-term maintainability.

• Participate in code reviews, design discussions, and cross-functional collaboration with backend Python teams.

What you’ll need:

• Bachelor's degree in Computer Science, Engineering, or a related field.

• 5+ years of experience in frontend development.

• Strong proficiency in TypeScript and React (experience with React 18+ preferred).

• Solid experience with Material-UI (MUI) or similar component libraries.

• Experience with modern state management and data fetching libraries (e.g., TanStack Query, React Query, or similar).

• Solid knowledge of HTML5 and CSS3, including responsive design principles and CSS-in-JS solutions (Emotion).

• Experience integrating frontend applications with RESTful APIs using Axios or similar HTTP clients.

• Familiarity with Git-based workflows (pull requests, code reviews, branching strategies).

• Experience writing unit and integration tests with Jest and React Testing Library.

• Understanding of accessibility standards (WCAG, ARIA).

• Experience working in agile teams (Scrum, Kanban).

• Strong communication skills and ability to collaborate with technical and non-technical stakeholders.

Nice to have:

• Experience with Azure MSAL authentication and Microsoft identity platform.

• Experience with i18next for internationalization and localization.

• Familiarity with TanStack Query (React Query) for server state management.

• Experience with Power BI integration and embedding.

• Experience with charting libraries like Recharts.

• Experience working with Python-based microservices backends.

• Experience with Docker and containerized development environments.

• Familiarity with Yarn package manager.

• Experience with ESLint, Prettier, and code quality tools.

• Experience working in enterprise healthcare or regulated environments (FDA, HIPAA compliance).

• Exposure to performance optimization techniques (lazy loading, code splitting, image optimization).

• Experience with Application Insights or similar monitoring/telemetry tools.

• Knowledge of nginx for frontend deployment configurations.