Senior Frontend Developer - React.JS

As a Senior Frontend Developer, you will be responsible for designing, developing, and maintaining user interfaces for our web applications. You will leverage your expertise in ReactJS, TypeScript, and various UI frameworks to create seamless, high-performance, and user-friendly experiences. Your role will also involve collaborating with backend developers, participating in code reviews, and ensuring that our applications meet high standards of quality and performance.

Responsibilities

• Develop and maintain functional components using ReactJS.
• Migrate existing class components to functional components, ensuring optimal performance and maintainability.
• Implement state management solutions using Redux and Context API.

• Utilize React Hooks effectively for managing component state and side effects.
• Integrate React Query for data fetching and synchronization.
• Demonstrate above-average proficiency in TypeScript, ensuring robust type-checking and maintainable code.
• Design and implement UI components using ANT Design.
• Work with Material UI, Bootstrap, and/or Daisy UI to enhance application aesthetics and functionality.
• Apply a deep understanding of HTML for creating well-structured web pages.
• Utilize CSS and SCSS to style and layout user interfaces, ensuring responsiveness and visual appeal.
• Exhibit strong JavaScript proficiency, including knowledge of ES6+ features.
• Implement asynchronous programming techniques using Promises and Async/Await.
• Develop and maintain backend services using KOA and/or Express.js.
• Design and implement APIs, ensuring performance and scalability.
• Write and maintain unit tests to ensure code reliability.
• Implement CI/CD pipelines to streamline deployment processes.
• Utilize AWS services for frontend development, including S3 for storage and CloudFront for content delivery.
• Monitor application performance and troubleshoot issues using CloudWatch.
• Additional AWS experience is a plus.

Job Description

• Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent experience).
• 5- 8 years of experience in frontend development with a strong portfolio of web applications.
• Proven expertise in ReactJS, TypeScript, and modern UI frameworks.
• Solid understanding of HTML, CSS, and SCSS.
• Strong JavaScript skills and experience with asynchronous programming.
• Experience with Node.js, KOA, Express.js, and API design.
• Proficiency in unit testing, CI/CD, and deployment practices.
• Familiarity with AWS services and cloud-based solutions.
• Excellent problem-solving skills and attention to detail.
• Strong communication skills and ability to work collaboratively in a team environment.

We Offer

• Fantastic working environment built on the principles of lean and self organisation;
• Fun, happy and politics-free work culture;
• Competitive salaries and benefits.

About Mindera

At Mindera we use technology to build products we are proud of, with people we love.

Software Engineering Applications, including Web and Mobile, are at the core of what we do at Mindera.

We partner with our clients, to understand their product and deliver high performance, resilient and scalable software systems that create an impact in their users and businesses across the world.

You get to work with a bunch of great people, where the whole team owns the project together.

Our culture reflects our lean and self-organisation attitude. We encourage our colleagues to take risks, make decisions, work in a collaborative way and talk to everyone to enhance communication.

We are proud of our work and we love to learn all and everything while navigating through an Agile, Lean and collaborative environment.

Check out our Blog: and our Handbook:

Our offices are located: Aveiro, Portugal | Porto, Portugal | Leicester, UK | San Diego, USA | San Francisco, USA | Chennai, India | Bengaluru, India