Front-end Engineer
doola
- Location
- United States
- Job Type
- full-time
- Salary
- Unknown
- Posted
- June 25, 2025
Job Description
Key responsibilities
- Develop and maintain intuitive, robust UI components and applications for our customer dashboard and internal CRM.
- Collaborate with product managers and designers to transform concepts into responsive, performant interfaces.
- Integrate front-end applications with backend services using GraphQL.
- Identify and resolve performance bottlenecks to enhance application speed and user experience.
- Write automated tests to ensure reliability and maintainability.
- Maintain high coding standards, ensuring code is well-tested, modular, and documented.
Skills and qualifications
- Experience: You should have a minimum of 3+ years of non-internship experience in frontend application development, with at least 2 years of experience in developing web applications and shipping user-facing features using JavaScript and modern, component-based frameworks like React.
- Proficiency: You’ve developed and shipped user-facing features using component-based UI frameworks. Proficiency in React.js and Next.js, along with strong skills in TypeScript, is a must.
- Knowledge: You’re familiar with current trends and best practices in frontend architecture, including performance, security, and usability. Experience with GraphQL is an added advantage.
- Collaboration: You’re comfortable collaborating closely with designers, engineers, and product managers throughout the product and design life cycles to ensure the successful delivery of projects.
- Flexibility: Comfortable working in EU or US time zones and flexible with adjusting working hours as needed to accommodate team meetings and collaboration across different time zones.
- Quality Code: You write high-quality, well-tested code to meet the needs of our customers. Strong attention to detail and adherence to coding standards are essential.
Bonus qualifications
- Experience with Node.js and AWS.
- Startup experience or familiarity with startup dynamics.
- Proficiency in continuous integration and deployment processes (CI/CD).
- Experience working with internal tooling and CRM systems.
🎯 Who is this job for?
This role is ideal for a Frontend Engineer with 3+ years of experience in React, Next.js, and TypeScript, who’s passionate about building intuitive, responsive UIs. Candidates should be skilled in integrating GraphQL APIs, writing high-quality, testable code, and collaborating across product and design teams. Experience with Node.js, AWS, and startup environments is a strong plus.
💬 Potential Interview Questions
-
What are the benefits of using TypeScript in a React front-end codebase?
TypeScript improves code reliability with static typing, enhances IDE support, and reduces runtime errors through compile-time checks and better refactoring. -
How do you optimize performance in a React + Next.js application?
Use SSR/SSG, lazy load components, memoize withReact.memo
, manage dependencies carefully, and useuseCallback
/useMemo
to avoid unnecessary re-renders. -
How do you handle GraphQL queries and mutations in React?
Use Apollo Client or similar, manage loading and error states, normalize data caching, and use fragments for reusable query components. -
What is your approach to building reusable and maintainable UI components in React?
Follow atomic design principles, keep components pure and focused, use props and composition effectively, and maintain a component library. -
How do you test React components with Playwright?
Write end-to-end tests simulating user behavior, assert DOM changes or API responses, and ensure consistent environments with proper setup and teardown. -
How do you ensure high code quality and maintainability in a frontend codebase?
Enforce code standards with linters and formatters, write unit and integration tests, review code thoroughly, and document key components and logic. -
What challenges can arise when integrating GraphQL APIs, and how do you handle them?
Challenges include schema evolution, over-fetching/n+1 issues, and error handling; solve with versioning, batching, and clear error boundaries. -
How do you collaborate effectively with product managers and designers?
Communicate requirements early, clarify user flows, iterate on feedback, maintain design consistency, and track progress via shared tools. -
What techniques do you use to ensure a responsive and accessible UI?
Use semantic HTML, ARIA attributes, media queries, keyboard navigation, and tools like Lighthouse or Axe for accessibility audits. -
How do you structure a front-end project for scalability and team collaboration?
Organize code by feature modules, follow consistent naming conventions, isolate side effects, and use version control workflows with code reviews.
📋 Job Summary
doola is seeking a Front-End Engineer to build sleek, high-performance web interfaces that help entrepreneurs launch and manage their businesses effortlessly. You’ll work remotely from the U.S., using React, TypeScript, Next.js, and GraphQL to create powerful, user-centric dashboards and internal tools. With a flexible, collaborative team and strong growth potential, this is your chance to simplify business formation for users worldwide while advancing your skills in a fast-moving startup environment.