Frontend Developer – React & TypeScript

Location: Gothenburg, Sweden Employment Type: Contract Work Arrangement: Hybrid – 25% remote Seniority Level: Intermediate Assignment Period: 1 December 2026 – 31 December 2027 Language Requirements: Fluent English About the Role Sperton is looking to support our client by finding an experienced Frontend Developer to develop and deliver customer-facing features for modern web applications. In this role, you will take end-to-end ownership of frontend solutions, from requirements clarification and UX collaboration to implementation, testing, release, production monitoring and continuous improvement. You will work closely with product, UX, backend and engineering teams to build responsive, accessible, secure and high-performing applications using React and TypeScript. Key Responsibilities

• Design and develop responsive, accessible and user-friendly web applications using React and TypeScript.
• Own frontend features throughout the development lifecycle, from requirements and UX collaboration to production.
• Build reusable, secure, maintainable and well-tested UI components.
• Integrate frontend applications with REST and GraphQL APIs.
• Contribute to frontend architecture, state management and technical design decisions.
• Develop and maintain unit, component, integration and end-to-end tests.
• Improve application performance, accessibility, browser compatibility, observability and reliability.
• Participate in code reviews, share knowledge and support less-experienced engineers.
• Use AI-assisted development tools responsibly, validating generated outputs for quality, security, accessibility and maintainability.

Required Qualifications

• Demonstrated experience independently delivering frontend features in production environments.
• Strong knowledge of JavaScript, TypeScript, React, HTML and CSS.
• Experience with modern frontend architecture, reusable component design and state management.
• Experience integrating REST and/or GraphQL APIs and managing asynchronous application flows.
• Practical experience with Git, CI/CD pipelines, package management and frontend build tools.
• Experience with automated testing tools such as Jest, React Testing Library or Cypress.
• Experience working in Agile product teams using Scrum or Kanban.
• Strong ownership, analytical problem-solving, communication and collaboration skills.
• Fluent English, both written and spoken.

Preferred Experience

• Experience with design systems and component libraries.
• Knowledge of Node.js, server-side rendering or micro-frontend architecture.
• Experience with WebSockets, event-driven user interfaces or real-time applications.
• Experience with AWS, observability tools or cloud-hosted web applications.
• Knowledge of clean architecture, reusable design principles and frontend performance optimization.
• Experience with AI-assisted development tools such as GitHub Copilot, Amazon Q, Kiro, MCP servers or AI agents.
• Degree in Software Engineering, Computer Science, Interaction Design or equivalent practical experience.

About Sperton Sperton is an international recruitment and workforce solutions company supporting organizations with talent acquisition, staffing and consultancy, People Management, Global Mobility, and business support. We connect skilled professionals with opportunities where they can contribute their expertise and create meaningful business impact. Job Link : https://career.sperton.com/jobs/8656193-frontend-developer-react-typescript?promotion=2277541-trackable-share-link-tt-link-for-linkedin