At Sparrow Ventures, improving people’s quality of life through innovation and working together with colleagues who love what they do is what gets us up every morning.

As a venture builder and growth equity investor, it is our people, our unique culture and way of working that unites us in growing ideas into companies and investing in promising startups. As the innovation engine of the Migros Group, we focus on the most relevant trends and disruptions for the business community and society at large within the fields of eCommerce, LogisticsTech, Digital Health FinTech, and Happiness, Community & Lifestyle.

Both idealistic and pragmatic, we Sparrows are passionate and execution-driven entrepreneurs who are striving to make an impact. In our daily work, we love to tackle challenges, value collaboration and speed in execution and create an environment where no day is the same.



What to expect as a Senior React Frontend Engineer

At Sparrows you will have the chance to work on very different ventures and technologies. Our startup-mindset favours speed and practical solutions, which proved a great learning experience for every engineer. 

As a Senior React Frontend Engineer you will be part of our newly created technology team and have a strong impact by helping build the technology around several new startups per year from the ground up.

Your areas of responsibility include:

  • You work directly with our Venture teams, where we are creating technologies for new Ventures (Startups) from scratch 
  • You work with our UX designer and create dynamic frontends - and create backends based on NodeJs or NodeCode solutions like as well
  • You create application and solution architectures, which fit for an MVP and decide which new frameworks should be considered for future projects
  • You can work outside of the boundaries of a frontend engineer and find an ideal solution for UX, operations, speed of delivery and security
  • You provide technical leadership of other team members, also in offshored teams and give support, advice or direction if needed
  • Communication skills are imperative for the Senior Roles, both in written and in verbal forms. You play a highly interactive role with numerous cross-functional personnel



  • You are fluent in developing web applications and master its standard technologies like HTML, CSS, Javascript - working with Rest API technologies like GraphQL is a plus
  • In-depth knowledge and experience with react framework, experiences with tools & frameworks like nextjs, gatsby, tools including React.js, Redux, Flux, or Webpack
  • Proven experience of several years in frontend development including backend experience and being responsible for delivery 
  • Knowledge of how to set up build-pipelines (e.g. jenkins, gitlab, github)  and deployments
  • Deep understanding of web technologies which includes web servers, proxies, HTTP(s) protocols, content distribution networks,  integration and authentication technologies like oAuth
  • Knowledge of how to work with designs coming from Figma or tools like invision
  • You can present your portfolio of web or mobile applications and have a solid track record of complex past projects




Based in the heart of Zurich, we have a flexible working culture topped up with regular team events and lunches.

We foster a no bullshit, down to earth, yet high caliber work environment where the best argument counts. Being highly dynamic and results driven, we have a “move fast and break things” culture, here for the fame and glory of what we have built. Most importantly, we have fun on the way.


Your application

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Applications that have been submitted by email or private messages can’t be considered. For any specific questions on our openings, please contact us via the contact form on our webpage. Please note, we do not work with recruitment agencies. Any unsolicited applications from recruitment agencies will not be considered.

Sparrow Ventures is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. For more information, please refer to our EO Policy on our careers page.

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