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Senior Frontend Engineer



Software Engineering
Berlin, Germany
Posted on Thursday, July 4, 2024


Solsten is advancing the human experience by empowering companies to build deeply resonating and healthier human-centered digital experiences and products.

At the intersection of play, psychology, and AI, our suite of products (Traits, Navigator, and Wavelength) give brands the ability to understand and meet their audiences’ experiential expectations at every step of their journey—ushering in a new era of technology that is better for people, and brilliant for businesses.


Our engineering team is responsible for creating the platform that empowers this next generation of digital resonance. As a part of this team, you will work within a world-class team of engineers as well as with data scientists and UX designers to build the Solsten platform and products. As a Senior Frontend Engineer, you will bring your own technical expertise, help design new features as well as improve current ones, and carry projects from initial requirements, implementation, up to production.


  • Drive the visual culture in the company. Contribute to our Frontend practices.
  • Craft unique and custom experiences and build out company UI assets (e.g. component library)
  • Ensure the technical feasibility of UI/UX designs
  • Communicate clearly and proactively with UX designers, product managers, backend engineers, and data scientists to support the day-to-day development
  • Deliver high-quality code for features from concept until production


  • 7+ years of practical frontend development
  • Proficiency in CSS and animation
  • Strong command of JavaScript (React preferable)
  • Experience working with TypeScript
  • Experience of working in a design-driven environment and demonstrated design and UX sensibilities
  • Strong attention to detail
  • Affinity and ability to structure complex problems into easy to use applications
  • A portfolio of activities / a side project that showcases your intellectual curiosity


  • Experience in writing custom UI libraries with high-quality animation
  • Experience building custom charts
  • Experience with any CSS preprocessor and/or CSS modules
  • Experience with modern JavaScript libraries and tools, including test libraries (e.g. Jest, Mocha, Jasmine)


At the heart of Solsten is our people. We pride ourselves with the incredible team that makes up the company and are deeply humbled by each one of our employees. We have grown beyond measure and have amassed an incredible team of talented, passionate, and amazing individuals. It is our biggest priority to give all members of Solsten the space and motivation to WANT to journey on this career path with us and continue to be a part of our success. Here are some of the things our current employees appreciate:

  • Competitive, location-based salary
  • Flexible paid time off (unlimited with a minimum requirement of 25 days off)
  • Annual Wellness & Experience bonus
  • Work equipment: laptop and necessary peripherals
  • A people-first culture with a major emphasis on experience
  • A company that is invested in you, your ideas, and your growth
  • An opportunity to join a quickly scaling startup


Our team is spread out across the world, with hubs in Berlin, and Minneapolis. We believe that having our team close to one another fosters better communication and productivity. This role requires you to be based in Minneapolis, US where you will have an exciting and flexible hybrid working environment. This means that you will have the opportunity to work both remotely and with colleagues in the office, allowing you to create an ideal working schedule and balance.


Solsten is committed to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity or expression, sexual orientation, national or ethnic origin, genetics, disability, or age.