Senior Frontend Software Engineer - job 2 of 2

As a Senior Frontend Software Engineer at Sinch SimpleTexting, your main responsibility involves developing and maintaining scalable applications using ReactJS and TypeScript. You'll work closely with product designers to create functional interfaces and optimize performance for a seamless user experience. Additionally, you will implement state management solutions and ensure a high-quality codebase through rigorous testing practices.

To qualify for the Senior Frontend Software Engineer position at Sinch SimpleTexting, candidates need proven experience with frontend applications, particularly using React and TypeScript. A solid understanding of UI frameworks and performance optimization techniques is essential. Familiarity with state management libraries, RESTful APIs, and testing frameworks will also strengthen your application.

In the Senior Frontend Software Engineer role at Sinch SimpleTexting, you'll be utilizing tools like ReactJS, TypeScript, Redux or React Query for state management, and build tools such as Webpack or Vite. Moreover, you’ll work with RESTful APIs and GraphQL for seamless integration and apply testing frameworks like Jest and Playwright to maintain code quality.

At Sinch SimpleTexting, the environment for Senior Frontend Software Engineers is collaborative and fast-paced. You'll be part of an agile team that encourages open discussions and shared decision-making. The culture emphasizes inclusivity and knowledge sharing, allowing team members to contribute to both architecture and design decisions freely.

The hybrid working model at Sinch SimpleTexting provides flexibility in your work location while ensuring you remain connected with your agile team. You will have opportunities to work from the Madrid office while also having the option to participate remotely, creating a balanced work-life dynamic that supports productivity and collaboration.

In answering this question, provide specific projects you've worked on that utilized React and TypeScript. Highlight challenges you faced and how you overcame them, showcasing your problem-solving skills and technical expertise in these frameworks.

Discuss techniques you've used, such as lazy loading, code splitting, or implementing memoization. Mention specific scenarios where your optimizations led to improved user experience, and reinforce your understanding of performance metrics.

Share your familiarity with state management libraries such as Redux or React Query. Provide examples of projects where you effectively managed state, why you chose a particular solution, and how it improved the application's performance.

Talk about the steps involved in integrating a new API, such as understanding the API documentation, planning the data flow, and performing error handling. Share relevant experiences where you've successfully integrated APIs and discuss your approach.

Describe a specific bug you encountered, the process you followed to diagnose and fix it, and the outcome. This demonstrates your analytical skills and your resilience in problem-solving.

Explain your understanding of accessibility standards (a11y) and the practices you employ to ensure your code meets these standards. Discuss how you test for accessibility and any tools you use in the process.

Discuss how you integrate testing frameworks like Jest, Playwright, or others into your development. Highlight the types of tests you write, such as unit, integration, and end-to-end tests, and why they are crucial for maintaining a quality codebase.

Share resources you use to stay informed, such as blogs, GitHub repositories, or online courses. Emphasize your continuous learning mindset, showcasing how you apply new knowledge to your work.

Talk about your collaboration with UX/UI designers, how you handle feedback, and give examples of successful projects where you've translated designs into functional components.

Express your enthusiasm for the company's mission and culture. Mention how their technical challenges align with your skills and career goals, and how you see yourself contributing to their growth.