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Senior Developer for Backend Systems in Unified Communications Suite

Are you an experienced System Developer, who wants to work in a fast moving technology driven company with lots of interesting challenges where you have a great influence on product and technology? – Then you are the person we are looking for.

We are expanding our core backend team with an experienced Senior Developer.

You will have responsibility for some of Zylinc´s core modules, and become an important part of the team that manages and extends our system architecture. You will do both maintenance and new development on existing solutions, but most importantly, you will be a vital part of developing new solutions, which integrate with new third party systems and extend the existing Zylinc product suite.

You know the strengths and weaknesses of different programming languages you master. You are very skilled in C++. You have a deep knowledge of SQL and preferably Asterisk PBX (if not - we will train you thoroughly) or perhaps other Open Source PBX written in C.   

We work with many different technologies. It´s important that you contribute with your knowledge and experience. You will play a key role in the future strategy of our product development, and be a vital part in the decision making.

Your profile:

  • Excellent programming skills in C++
  • Knowledgeable in SQL database
  • Knowledge and interest in network, multi-threading and scalability
  • Knowledge of the SIP protocol
  • Understanding modular design and ability to contribute to the overall system architecture
  • Experience with Java or C# development will be an advantage but not a requirement
  • Focus on your own assignments and still being able to coordinate with your team members in relation to the entire solution
  • Knowledge of Asterisk PBX? If not - we will train you - or perhaps other Open Source PBX developed in C

We offer you:

  • A job where you will play an important role in contributing to the development of our entire UC portfolio
  • Small company culture, 50 employees - where you will be an important part of our future
  • An open and “family like” work environment with multiple social activities
  • Inspiring professional environment with tight collaboration with other developers with the same dedication and thirst for new technology
  • Work in an agile environment using Scrum with 2 week sprints
  • Participate in the entire development lifecycle of the products
  • A core position in our development team, where your colleagues have different backgrounds, cultures and areas of focus
  • Good pension scheme and health insurance for you and your family

The shared wisdom, experience and enthusiasm of the employees are the biggest asset of Zylinc. You will be a part of our passionate and dedicated team that strives to make a difference for our customers. It is of outmost importance to Zylinc that our customers´ experience that working with us gives them success, both on a professional and human level.

Are you the one we are looking for? Please send us your application: marked “Senior Backend System Developer”. We read the applications continuously and want to fill the position as soon as possible.

You must be resident in Denmark.

We are looking forward to hearing from you.

About Zylinc

Zylinc liberates enterprises with an ambition to obtain maximum business value from investments in Unified Communications technology

As organizations integrate traditional telephony and multichannel communication, the Zylinc UC business suite transparently connects enterprise users via role-based clients for Attendant Console, Contact Center and Service Center. The Zylinc suite also supports team collaboration with all possible communication modalities including voice, e-mail, chat and social media. Users are supported transparently across hybrid deployments using communication networks such as telephony, mobile, Unified Communications, online and social media networks. Our solutions are platform independent and deeply integrated with Microsoft, Cisco and BroadSoft. We have 2.000.000 licenses installed globally and deliver to Sydbank, ABB, BEC, Kolding Kommune, among many others. Read more on

Founded in 2005, Zylinc is a European based fast growing company that is currently accelerating international expansion through partnerships with telecommunications carriers and systems integrators. The Zylinc development teams are based in Denmark and Sweden.

The company is a leading provider of business suites for UC and UCaaS in the Nordic area, which is the most advanced market for ICT in the world.

The company has been growing at around 50% p.a. (CAGR) for the past 5 years.

Zylinc’s proprietary software solutions are in operation with millions of users in more than 20 countries throughout the world.

The company has a partner-based go-to-market strategy.

Closed for applications Gem job


Location Hellerup

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