Senior Front-End React Developer

(m/f/d)

Freelance/temporary employment for a project

Zurich

Start date: asap

Reference number: 880207/1

Responsibilities

• Take ownership of complex frontend solutions, ensuring scalability, performance, security, and long-term maintainability
• Partner closely with UX/UI designers and business stakeholders to translate complex requirements into intuitive, high-quality user experiences
• Deliver high-quality, production-grade React and TypeScript code for complex financial applications
• Address advanced frontend challenges such as state management, performance optimization, and integration with distributed backend systems
• Proactively refactor and modernize existing codebases where required
• Support troubleshooting and root-cause analysis in both development and production environments
• Contribute actively in an agile, fast-paced, and highly collaborative environment

Profile

• Extensive, hands-on experience in JavaScript and TypeScript, with a strong focus on React at enterprise scale
• Deep understanding of modern frontend ecosystems, tools, and frameworks (React, Node.js, build tooling)
• Proven experience working with design systems and large, shared component libraries
• Solid understanding of Unix/Linux environments and bash scripting
• Experience in the financial services or other highly regulated industries is a plus
• Experience with cloud platforms, preferably Microsoft Azure
• Knowledge of microservices architecture and containerization (e.g., Docker, Kubernetes)
• Familiarity with CI/CD pipelines and DevOps practices
• Exposure to API security, OAuth2, and related standards
• Fluency in English

Benefits

• Long-term project in a leading bank