Full Stack Backend Developer

cozycozy.com Published: August 12, 2019
Budapest, Hungary
Job Type


cozycozy.com is the future of accommodation metasearch engine empowering travelers to compare all the possible accommodations around the world: hotels, airbnbs and other vacation rentals, camping, boats etc. and even some out of the ordinary forms of traveling such as home exchange or pet-sitting.

We believe that every traveler has the right to book the best accommodation without commercial manipulation therefore we are committed to being on the user's side with a product that is beyond expectation.

cozycozy.com has offices in both Paris and Budapest, a senior team of 13 who also built liligo.com, and a recently closed series A round to finance this mission.

In order to accelerate our development, we are looking for a Full Stack Backend Developer to join our Budapest team.


  • Design and implementation of core application backend components
  • Design and implementation of low-latency, high-availability, and scalable applications
  • Writing reusable, testable, and efficient code
  • Work closely with stakeholders, data scientists, and other developers to turn abstract ideas into actionable pieces of code
  • Understand all aspects of the product you are buildings to better provide insight and recommendations to the team
  • Take initiative to learn new things, and grow rapidly from constant exposure to innovative ideas, concepts, and patterns as well as have the ability to share those findings effectively


  • Bachelor’s degree in computer science, software/computer engineering
  • 5+ years of related experience as Full Stack Backend Developer (NodeJS, Java, Scala):
    • Microservice approach with JSON REST or GRPC
    • Experience with Docker (Kubernetes is a plus)
    • Solid understanding of NodeJS with fully typed JavaScript (TypeScript)
    • Solid scripting skills (Python, Perl, etc.)
  • 3+ SQL-based technologies (e.g. PostgreSQL / MySQL)
  • 2+ NoSQL technologies (e.g. Cassandra and MongoDB)
  • The ability to express yourself in English both in writing and speaking


  • Live search engine with millions of searches per month
  • 12+ million accommodations data
  • 300+ millions pictures
  • Terabytes of static & dynamic data to explore and transform in valuable information to improve the product
  • Huge live traffic to handle - scalability is key


  • A chance to join an international team of 15 brilliant engineers who has succeeded in a very similar business: built the number one flight search engine in France
  • A competitive salary
  • A highly challenging and rewarding environment
  • A chance to investigate the newest technological trends
  • The ability to impact the business, you can make a difference!
  • An easy to access, calm and cozy(cozy) office in the heart of the Budapest


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