Junior Frontend Developer

About us

At Sanofi, we chase the miracles of science to improve people’s lives. All our decisions are taken with our most important stakeholder in mind – the patients.

Having a rich history of innovation that dates back over 100 years, Sanofi more than ever stays true to its commitment to transform the practice of medicine by providing potentially life-changing treatments and the protection of life-saving vaccines to millions of people. This history includes the first treatments for many rare diseases and the establishment of standards of care in diabetes and cardiovascular disease. Sanofi’s commitment to public health has helped protect hundreds of millions of people from influenza every year for decades and pushed polio to the brink of eradication, while its scientific vision has led to breakthrough innovations in the treatment of inflammatory diseases.

~ 43.07Bn€ Net Sales FY23

~90 countries

~ 91K employees

~ 59 manufacturing sites

~ 20 R&D sites

About the job:

As part of Sanofi’s Digital Accelerator, we are seeking a Frontend Engineer with strong hands-on experience and a passion for scalable, high-quality web applications. You will work closely with our Frontend Lead to build modern user experiences using frameworks like Vue, supported by AI-assisted coding tools such as GitHub Copilot.

This role requires fluency in English (for global collaboration) and daily communication in Chinese. You’ll contribute to our product’s frontend architecture, CI/CD workflows, and cloud deployment, while writing clean, maintainable code within a standardized environment.

Join us and help shape the next generation of digital healthcare solutions, delivering great user experiences powered by intelligent automation and cloud technologies like Tencent Cloud.

We are an innovative global healthcare company with one purpose: to chase the miracles of science to improve people’s lives. Digital & Data is at the heart of Sanofi. Our ambition is to be the leading digital healthcare platform to develop and deliver medicine faster, enable healthcare professionals to improve treatments, and help patients improve their health. Ready to get started?

Main responsibilities:

• Develop and maintain modern frontend applications using Vue, or similar frameworks

• Build scalable and reusable UI components aligned with architecture guidance from the Frontend Lead

• Leverage AI tools (e.g., GitHub Copilot) to support efficient, high-quality code delivery under supervision

• Use Vant and other UI libraries for responsive, mobile-first interfaces

• Participate in Agile ceremonies: sprint planning, stand-ups, and retrospectives

• Contribute to GitHub-based CI/CD pipelines, including code integration, testing, and deployment

• Collaborate with backend developers and product managers to create seamless full-stack solutions

• Support NGINX configuration for web serving, caching, or performance optimization

• Participate in code reviews, improving quality and consistency of AI-generated code

• Optimize performance and accessibility across browsers and devices

• Stay up to date with frontend technologies, and bring insights into tools, frameworks, or cloud innovations

• Communicate clearly in English with global teams and work efficiently in a Chinese-speaking daily context

About you:

Experience:

• 5+ years of experience in frontend engineering with strong coding capabilities

• Proven track record with modern frameworks: Vue, React, or Angular. Particularly within the Vue ecosystem, to deliver responsive and user-friendly web interfaces.

• Hands-on development of component libraries or micro frontends

• Experience in responsive design using HTML5, CSS3, JavaScript (ES6+), and TypeScript

• Familiar with Webpack or Vite, and Node.js tooling (e.g., npm, Express)

• Experience in NGINX, especially in performance tuning or reverse proxy scenarios

• Exposure to Tencent Cloud, AWS, or other cloud platforms is a plus

• Proficiency with testing tools such as Jest, Cypress

Soft skills:

• Detail-oriented and committed to code quality and maintainability

• Able to follow architectural guidance and proactively resolve implementation challenges

• Effective communicator with both technical and non-technical teammates

• Comfortable working in Agile teams and fast-paced environments

Technical skills:

We use a modern stack for both development and testing. The more you bring, the better:

• Frameworks: Vue, React, Angular

• UI Libraries: Vant, Element Plus, Ant Design

• Languages: JavaScript (ES6+), TypeScript, HTML5, CSS3

• Tooling: Webpack, Vite, GitHub Actions, Jest, Cypress

• Server-side & DevOps: Node.js, Express, NGINX

• Cloud: Tencent Cloud, AWS (preferred but not required)

• State Management: Vuex, Redux

AI-Assisted Testing Skills:

• Familiarity with GitHub Copilot or similar AI development tools

• Ability to follow structured workflows that incorporate AI-generated code effectively

• Open to continuously learning and applying AI best practices in frontend work

Education:

• Open to continuously learning and applying AI best practices in frontend work