Senior Java Developer


What is the project and why should you care?

Datalex is a market leader in digital commerce for travel retailers. The Datalex Digital Commerce Platform provides airlines with a unique solution that allows them to significantly leverage and increase the range and scale of products and services they can offer to passengers. The platform enables an omni-channel travel marketplace of over one billion shoppers covering every corner of the globe, driven by some of the world’s most innovative airline retail brands. Datalex’s customers include Lufthansa Group, Air China, JetBlue Airways, Hainan Group, SAS, Swiss International Air Lines, Philippine Airlines, Aer Lingus, Copa Airlines, Brussels Airlines, Air Transat, Air Malta, HP Enterprise Services and STA Travel. The company is headquartered in Dublin, Ireland, and maintains offices across Europe, the USA and China. Datalex is a publicly listed company and is listed on Euronext Dublin (DLE). Learn more at or follow on Twitter @Datalex.

As a Software Development Senior Engineer, you will be working in one of our full-stack engineering teams. Transforming our platform to be software as a service, developing the next-gen SAAS marketplace for airlines. Adding capabilities to our existing suite for customers like Aer Lingus, JetBlue, Air China and Transat to name but a few.

You would be an excellent fit for this position if you have:

Airline / Travel GDS or PSS experience using any ONE of the following is essential for this role:

Sabre, Amadeus, SITA, Travelport, Galileo, Worldspan, Apollo, Abacus, Pegasus, TravelSky, Radixx, Navitaire or a bespoke airline PSS /backend systems where you can demonstrate strong knowledge of PNR’s and complex flight bookings systems

Technical Skills / Knowledge / Experience:

  • Minimum of 5 years’ professional experience in Java development, Web Services and object-orientated principles
  • Excellent understanding of software development practices and have worked in multi-disciplined teams before
  • Solid experience in the development of highly available and scalable applications
  • Ability to work independently and also as part of a team
  • Ability to learn independently

Good to have

  • Degree in Computing or Science
  • A good understanding of Agile principles whilst working with Scrum Teams
  • Spring, J2EE, Memcached, REST, SOAP, JBoss, Tomcat, JDBC, React, JavaScript
  • Practical experience with databases such as Oracle, Document DB and Mongo DB
  • Jenkins with a strong focus on pipelines and dev ops (SALT)
  • Atlassian suite of products bitbucket/Jira/Confluence

Here are some of the things you’ll be working on:

  • Technically hands-on providing estimates, designing, coding, and debugging alongside the team
  • Providing third-line engineering support to our customers
  • Mentoring Junior members of the team
  • Working as part of an Agile environment
  • Working closely with our quality and performance engineers

The perks of being a Symphonian

Laptop as a gift
Symphony Academy
Medical insurance
NEO Program
Loyalty Program
Team Buildings
30 days of vacation
Check all benefits ➔

What is Symphony Solutions?

Symphony Solutions is a Cloud and AI-driven IT company headquartered in the Netherlands. With a remote-first mindset, we have established a global presence spanning over 20 countries. We are a premier software provider of custom iGaming, Healthcare, and Airline solutions. We are devoted to delivering the highest quality of service and offer our expertise in full-cycle software development, cloud engineering, data and analytics, AI services, digital marketing orchestration, and more. 

15 years

on the market

7 offices

in 6 locations

Virtual office

Symphony Anywhere

Why Symphony Solutions could be
a good choice for you:

We are Anywhere. Symphony Anywhere virtual office discovers talent worldwide! With a hybrid model of work and Workation, choose when and where to work, while we provide the tools.

We are experts. Meet and work with top industry leaders in iGaming, Cloud, Agile, and more. We focus on building rapport, bringing forth our expertise, and delivering value to clients.

We disrupt. We embrace the future and contribute to it. In our diverse pool of projects, we work with visionaries that strive to disrupt the market and create solutions with impact.

We are a community. Symphonians build up the foundation for our core beliefs and values, committed and dedicated to the cause, they have passion and drive that embraces and lifts you up.

We learn. Symphony Solutions creates an environment for you to thrive and grow as an expert. We provide opportunities for your professional growth with Symphony Academy and more.

We are Agile! Symphony Solutions is all about Agile, and we mean it! We bring the Agile philosophy to every aspect of our work and set our clients on their Agile transformation journey.

So, you have applied. What’s next?

—  Oleg Chekan / Head of Pre-Sale / Service Delivery Manager
Relax, ask Yourself what is important for You and what You like. Try to combine all of the above, and then You have Your answer.
— Oleg Chekan / Head of Pre-Sale / Service Delivery Manager
—  Sanja Jovanovikj / Web Developer
Symphony is more than a company, it is a family, way of life, way of working. Nobody cares more for their employees than Symphony does.
— Sanja Jovanovikj / Web Developer
—  Oleksandr Hrechnikov / Lead React Software Engineer / Tech Lead
Enthusiasm is mighty, and shared team enthusiasm is much more powerful. And doing things with passion always results in outstanding achievements.
— Oleksandr Hrechnikov / Lead React Software Engineer / Tech Lead
—  Martin Kubelka / QA Engineer
I enjoy the team work and the sense of ownership that each and every member of our team has. At the same time, people are really cooperative and we constantly challenge ourselves.
— Martin Kubelka / QA Engineer
—  Oksana Yaroshko / Service Delivery Manager
I’m lucky to be surrounded by the best inspirers, teachers and friends. I’m always impressed with how my colleagues grow, open up and find their own way in this journey.
— Oksana Yaroshko / Service Delivery Manager
—  Slawomir Umpirowicz / Business Analyst
What I like the most is the focus on Agile-based methodologies. It is not just a declaration or a theory. It is a daily practice in Symphony.
— Slawomir Umpirowicz / Business Analyst
—  Filip Kudron / QA Engineer
The only thing that surprised and keeps surprising me is how friendly all the people I’ve met in Symphony are. In every project I joined, we had a great team!
— Filip Kudron / QA Engineer


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