Österreichs Startup- und Innovationsplattform

Full stack Back-End Developer – COZYO (full-time)

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“We are hiring an experienced Full stack Back-End Developer to boost our research and development activities.”

COZYO is a growing startup based in Vienna, Austria

We work in a multi-disciplined team, on an innovative product in the booming online market. We are developing Interior Design Technology for E-Commerce Optimization in the furniture industry.


It is expected of you to work with a high level of independence. Bouncing off ideas, fast iterating and pivoting are all part of our everyday reality, so flexibility plays a big role. Entrepreneurial and Startup Mindset are vital.

In your role as a Full stack Backend Engineer, you will use your skills to

  • Create REST based web services and APIs for consumption by mobile and web platforms
  • Co-design and co-implement some of our backend services
  • Configure and maintain staging of our services to our in-cloud instances
  • Code for the future – high quality, test covered, performant and scalable code base
  • Exchange knowledge, set up a collaborative workflow with the team
  • Carve your way into mentoring and leading other new engineering team members as the team is growing

Specifically, though, we need you to have

  • 3+ years software engineering experience with expertise in some of the following: C++, Java, C#.
  • Experience designing and developing service-based architectures. Specifically REST based(OpenAPI – Spec)
  • Experience designing data persistence and caching concepts(MySQL/MongoDB, Redis)
  • Enough DevOps experience to setup, configure and maintain your own dev/build environment
  • Excellent knowledge of software engineering best practices (e.g. Agile software development, test-driven development, unit testing, code reviews, design documentation, pair programming etc…)

What we offer

  • Competitive market salary and start-up equity (up to 1%). According to “Kollektivvertrag” a monthly salary of 3.392 EUR (14x/year full-time). Dependent on the qualification, education and experience the salary is variable. Working permit*
  • Being part of the core team from the beginning on, filled with super-dedicated group of very skilled people
  • Milestone reward system
  • We support creativity and advancement by engaging with the newest research breakthroughs. Budget for Self-development
  • Learn as you go, grow and be yourself – We know no one is perfect :)
  • Flexible working hours, possible 1 day remote per Week

Additional Preferred Competencies

  • Algorithmic complex problem solving experience, i.e optimization techniques
  • Experience with building containerized microservices
  • Bachelor’s or Master’s degree in Computer Science, Computer or Electrical Engineering, Mathematics, or a related field
  • Experience/Understanding in Big Data analysis, Machine learning

Up for it? Let’s talk!

If you want to bring your engagement into a startup, which values team culture, please send your CV (subject: Full stack Backend-End Developer) to mail@cozyo.io
Questions about the position? Write us!

*Visa (Work permit) sponsoring possibility for non-EU citizens.

Hard Facts

Hours per week: 38.5 h
Salary / month: 3.392,– € (dependent on qualification and experience)
Location: 1030 Vienna
Contact: mail@cozyo.io

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