Senior Frontend Engineer

SkyCell AG
Municipality of Madrid, Spain
2 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Shift work
Languages
English
Experience level
Senior

Job location

Municipality of Madrid, Spain

Tech stack

JavaScript
API
Agile Methodologies
HTML5
Unit Testing
CSS
Mobile Application Development
Continuous Integration
Github
Mobile Application Software
Modular Design
Responsive Web Design
Web Application Security
TypeScript
Apache Yarn
React
Backend
GIT
Playwright
Sentry
Npm(Software)
React Native
Front End Software Development

Job description

Do you have proven experience as a Senior Frontend Engineer, with a strong background in designing and implementing clean, maintainable, and scalable client-side code using TypeScript and React? Are you familiar with the entire JavaScript ecosystem, and have the ability to collaborate effectively with a variety of stakeholders? Then join us as a Senior Frontend Engineer and play a vital role in our mission. Be a part of our team and help us deliver innovative solutions that make a real impact.

At our company, we're on a mission to change the world by revolutionizing the digital landscape. Our cutting-edge web and mobile applications are designed to enhance user experience and improve customer engagement, with quality and security at the core of everything we do.

We're a fast-growing, purpose-driven scale-up where you'll make an impact, feel empowered, and thrive in a diverse, innovative environment., * Design and implement clean, maintainable, and scalable client-side code using TypeScript and React

  • Build and iterate on responsive, reliable, and secure web applications that perform across devices.
  • Ensure product quality with unit tests (Jest) and end-to-end tests (Playwright is a nice-to-have)
  • Own feature development from idea to deployment, aligning closely with product and design
  • Review code, challenge assumptions, and help raise the technical bar across the team
  • Mentor less experienced engineers and support team growth through technical guidance
  • Help shape frontend architecture and guide long-term decisions (modularity, patterns, performance)
  • Troubleshoot PROD issues including HotFix coordination and root cause analysis
  • Contribute to documentation and ensure that developed components are reusable and easy to onboard
  • Collaborate with backend devs on API definitions and coordinate with QAs and BAs on new implementations.

Requirements

What You'll Bring:

  • Expertise in TypeScript, modern JavaScript, and the React ecosystem (hooks, context, modular design)
  • Solid grasp of HTML5, CSS3, and responsive design principles
  • Comfortable working in a fast-paced, iterative, CI/CD environment
  • Understanding of web security, performance, and accessibility best practices
  • Experience designing or contributing to scalable frontend architectures
  • Proficient with Git, npm/yarn, and modern tooling
  • Familiarity with agile processes and delivering frequently with fast feedback loops
  • 5+ years of relevant professional experience

Nice to have:

  • Experience with MUI v5 or other component libraries/design systems
  • Exposure to React Native for cross-platform mobile development
  • Familiarity with tools like React Query, Storybook, or Lighthouse
  • Experience with GitHub Actions
  • Experience with frontend monitoring tools (e.g., Sentry, Logz.io)
  • Understanding of mobile-first and accessibility-first design principles

Benefits & conditions

What's In It For You?

· Flexibility & Balance: Flexible working hours and work-life balance allow you to tailor work to fit your life.

· ? Recognition & Growth: Opportunities for career advancement in a company that values your contributions.

· ? Hybrid Workplace: Modern workspaces (in Zurich, Zug and Hyderabad as well as our Skyhub in Basel) and a remote-friendly culture to inspire collaboration amongst a globally diverse team.

· ? Company-wide Events: Join us for company events to celebrate successes, build teams, and share our vision. Plus, new joiners experience SkyWeek, our immersive onboarding program.

· ? Generous Maternity & Paternity Leave: Support for new parents with competitive maternity and paternity leave.

· ?️ Annual Leave & Bank Holidays: Enjoy a generous annual leave package, plus local bank holidays to recharge and unwind.

Ready to Make an Impact?

We're not just offering a job; we're offering a chance to be part of something bigger. At SkyCell, you'll help build a future where pharmaceutical delivery is efficient, sustainable, and transformative.

About the company

Why SkyCell? · ? Purpose-Driven Work: Make a real difference by contributing to a more sustainable future in global logistics and healthcare. · ? Innovation at Heart: Work with cutting-edge technology and be at the forefront of supply chain innovation. · ? Stronger together: Join a supportive team of talented individuals from over 40 countries, where we work together every step of the way. · ? Growth Opportunities: We believe in investing in our people - continuous learning and development are key pillars of SkyCell. · ? Award-Winning Culture: Join a workplace recognized for its commitment to excellence with a 'Great Place to work' award, as well as a Platinum Ecovadis rating highlighting our sustainability and employee well-being.

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