Job Description:

As a Frontend Developer, you will be responsible for developing scalable, high-performance SPAs that integrate with a microservices backend. You will work with modern technologies such as React, Redux, and hooks, and contribute to the robustness of the platform through unit and end-to-end testing. You'll play a key role in implementing advanced communication protocols and shaping the frontend architecture of our application ecosystem.

Key Responsibilities:

• Develop and maintain SPA frontends using React, Redux, and hooks.

• Implement clean, maintainable UI code using Webpack, Sass, and Less.

• Integrate microservices using both gRPC-Web (synchronous) and WebSockets (asynchronous).

• Write and maintain unit and end-to-end tests to ensure software quality.

• Collaborate closely with backend developers, product teams, and designers.

• Participate in code reviews, architecture discussions, and sprint planning.

Requirements:

• Minimum 3 years of hands-on experience in React development.

• Deep knowledge of Redux, hooks, and modern JavaScript (ES6+).

• Experience with Webpack, Sass, and Less in production environments.

• Familiarity with WebSockets and gRPC-Web for real-time and API communication.

• Strong testing mindset with experience in unit and E2E testing.

• Ability to read and write English at B2 level; spoken English is a plus.

What We Offer:

• A technically challenging role with cutting-edge frontend development.

• Opportunity to work in a microservices-driven architecture.

• A collaborative and agile team environment.

• Growth potential with exposure to advanced technologies and protocols.

About the projects you will work on

You will work 100% remotely from wherever you decide. Sometimes you may have face-to-face meetings and for that reason you have to reside in Spain or in the European Union.

You will work on projects with a leading company in digital transformation with a passion for technology and innovation in sectors such as banking (35 of the main banks worldwide work with our client), insurance, industrial and automotive in Big Data projects, Blockchain, AI, Cloud, among others.

About the client

• Global presence in more than 15 markets
• 8,000+ employees
• more than 35 years of experience

About the process and your contractual relationship

If you are interested in this offer, we will enroll you in the process and submit your application, blindly, that is, without your contact details, to the technical and human resources department so that they can evaluate your profile and your financial expectations.

If the answer is positive, we organize the meetings so that the client knows you and explains the project in detail.

If after the meeting both parties agree on the conditions, you receive a firm offer to work with us or directly be hired by the client.