What is the salary for this (Contract) Front-End Senior Developer (React / TypeScript / Swift) role?

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(Contract) Front-End Senior Developer (React / TypeScript / Swift)

SOUTHWORKS Spain (Remote) Today

engineering

Type: Contract, per-project.
Location: Remote — within European time zones (GMT to GMT+2).
Availability: Contractor (40 hours per week)

We’re looking for a Front-End Developer to join an international engineering team working on a high-quality video review and collaboration platform used by major players in the film and media industry. This is a contractor role (approx. 12 months), focused on developing interfaces across web and device platforms (Apple TV, iOS, Android).

Responsibilities
You’ll be responsible for building, testing, and delivering performant, scalable front-end experiences across web and occasionally mobile devices. You’ll collaborate with designers, back-end engineers, and product leads to ensure a consistent and intuitive user experience across multiple devices and environments.

Develop and maintain web applications using React and TypeScript
Implement responsive, accessible, and high-performance UI components
Collaborate with the design and back-end teams to integrate APIs and data flows
Participate in code reviews, testing, and deployment processes
Contribute to improving the architecture and scalability of the front-end ecosystem
Support the development of Swift and React Native components when required

Requirements

4+ years of experience in front-end development
Strong proficiency in React ,Redux and TypeScript
Experience with other modern frameworks (Angular, or Vue.js)
Solid understanding of HTML, CSS, and JavaScript (ES6+)
Experience building, testing, and releasing iOS applications through the Apple App Store
Familiarity with React Native for cross-platform development
Excellent communication skills in English and ability to work asynchronously with distributed teams

Nice to have

Background in media, streaming, or creative workflow tools
Experience with performance optimization and front-end architecture
Knowledge of CI/CD pipelines and automated testing
Experience developing Apple TV (tvOS) apps using Swift

(*) SOUTHWORKS only hires individuals from countries that are not blocked or sanctioned by the United States, including those identified on the United States Office of Foreign Asset Control (OFAC).