Senior Full Stack Developer (React Native, Python)

Job description

At our Haarlem based startup, we are looking to add our first internal engineer to our team! As our new Senior Full Stack Developer you will be working with the latest tech and have time to experiment and bring technology and innovation into our business. You can look forward to broadening your skill set and learning on-the-go, all whilst building a beautiful platform to shake up the gift card industry.

Stack: Python, React/ React.Native, Django & AWS.


Yesty, a 2018 startup, is on an environmentally friendly mission to make it easier, more personal and joyful to use gift cards 🎁. Have you ever received one of those impersonal, boring gift cards for a shop you never go to? Did you eventually throw it away? At Yesty, we are crafting technology fix this. We already collaborate with most of the major retailers in The Netherlands and thanks to us, companies can surprise their employees with digital gift cards with a personal note and a picture or video. We all know that a digital future is here, so we’re bringing the world of gift cards up to speed! Let's call it gift card 2.0!


  • Our team of 6 is growing. You'll soon meet the wine connoisseur, the Paradiso lover, the animal friend and other interesting colleagues that will be thrilled to work with you.
  • We don't only enjoy making our clients happy and joyful with our gift cards, we also like to laugh…. Shh, this is a secret, but our CEO is the one that laughs the hardest.
  • Our values that define our culture are; Helpful, Ambitious, Informal, Sincere and "Enjoy what we do".
  • What does the future hold? Upgrade the Dutch market and then take over Europe. We “Care to Give” so we are also exploring how to contribute to a better world next year, help us come up with a charitable plan!


Together with your colleagues and our CEO Nick, you’ll be collaborating on different meaningful projects to build a scalable, reusable platform for our clients. This will involve daily problem solving and constant innovation. Because you will be joining us as the first internal software engineer, we will mould the role around you and your skillset, but your responsibilities will include:

  • Building a very smooth experience for clients, with a beautiful frontend and a snappy backend
  • Crafting scalable and reusable features aimed at giving the user an amazing journey
  • Growing the range of viewers/users
  • Working very closely with Gaston who heads our product team to bring business and technology together and make a beautiful product
  • Making the whole stack more testable and reproducible
  • Your hands-on approach to products ensures you 'make it happen' in the "Yesty Way" (a startup, but with added quality)
  • Although this is our Senior Full Stack Developer vacancy, you will be working in a very multi-skilled team - after all, there are only 6 of us at the moment.

Job requirements


  • Working in both Backend and Frontend, focused on Web and App
  • Fluent in English (Dutch would also be super “lekker”)
  • BDD/TDD knowledge
  • Experience with CI/CD
  • Able to find a way for us to work on latest tech and innovation (maybe voice, maybe AI) we want to learn and make things ourselves.
  • A degree in preferably computer science or similar subject
  • At least 5 years of experience in full stack development
  • You are open to work with the Yesty technology from the beginning.
  • Knowledged in the tech stack used: Python, React/ React.Native, Django & AWS
  • Completely hands-on coding ✍🏼and an independent, innovative go-getter 🤠
  • You have the ability to self manage and deal with changing requirements and flows
  • Enthusiasm and commitment to our product and to building the company together
  • Willingness to step into this startup adventure with the other Yesty team members


  • Fluent in Dutch
  • Data-driven way of working
  • Not essential - Moderate to fluent in Polish for communication with our external Polish developers
  • Experience in B2B platform development
  • Past experience of working in a start/scale-up environment


  • Competitive monthly compensation 💰
  • Pension plan (Optional) 👵
  • Working with the latest technologies (Jira, Slack, Google suite, React etc) 💻
  • Waterfront view 🎑
  • Time to work on latest tech and innovation (maybe voice, maybe AI) 🕐
  • Lunches as a team 🥗
  • 25 holiday days ✈️
  • Laptop 💻
  • Company Bonus 🤑
  • Continuous training (Personal Development Budget of €2,500) 📚
  • You can broaden your knowledge quickly grow as a dev, all whilst working
  • The opportunity to 'develop-from-home' some of the time
  • Flexible working hours (coming in at 10am is absolutely no problem)
  • Travel cost expenses & other cost expenses (phone & internet subscriptions) 🚂📱
  • Thursday we love to eat fish, Fish Thursday! 🐟

Made it to the end?? Wow, we like you already! Well... I would love to tell you more about Yesty's company story, the role and your challenge here so click apply and I look forward to speaking with you.

I am here to help you: I am Jacqueline, a friendly and inclusive recruiter. Here to help you go through this process and overcome any hurdles that pop up along the way… Let’s get talking! Apply directly or email me at