At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a Senior C# & .NET Developer to join our UniQue team.
What will you be doing in this role?
- Implement and review software changes as required using Azure DevOps.
- Support the development of the front-end application and communication with back end services.
- Implement new interfaces and improve existing interfaces with other systems, both file based and online real time.
- Coordinate the technical work with the teams and systems required to integrate, including integration testing.
- Support bug fixing and stability improvements.
- Create and update documentation.
- Investigate which are the best ways to solve a certain problem, documenting and presenting their pros and cons to the team.
- Participate in the daily reporting and planning activities (daily stand-ups) as well as in workshops, events and conferences related to the supported services.
What do you need to succeed in this position?
- Master’s degree in Computer Science/Engineering or equivalent.
- More than 10 years of experience as Software Developer, in which at least 5 are in C#.
- Strong experience (at least 5 years) in WinForms (Microsoft desktop application development).
- Proficient with third party UI frameworks.
- Experience with Azure DevOps.
- Strong experience (at least 4 years) with DevExpress.
- Solid understanding of async programming / multi-thread applications.
- Good understanding of integration patterns and message exchange formats such as JSON and XML.
- Strong knowledge of OO principles and patterns.
- Experience with HTML5, JavaScript and CSS3 a plus.
- Familiarity with Microsoft stacks and technology.
- Experience with Git version source control.
- Basic knowledge of SQL Server and database querying.
- Experience with Playwright or other test automation tools.
At Uni Systems, we are providing equal employment opportunities and banning any form of discrimination on grounds of gender, religion, race, color, nationality, disability, social class, political beliefs, age, marital status, sexual orientation or any other characteristics. Take a look at for more information.
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What We Do
Uni Systems, a member of Quest Group, has been a reliable ICT partner to companies and organizations in the European market for over 60 years. We are the first IT company founded in Greece, in 1964, and we have been supporting our clients ever since. Trusting customers, extensive solutions offering, strong partnerships and experienced people, those are the main grounds for Uni Systems’ rapid expansion of operations across geographies and industries.
With more than 1450 specialized ICT professionals, established presence in more than 20 countries, and branches and subsidiaries in the heart of the European Union (Athens, Barcelona, Brussels, Bucharest, Luxembourg and Milan), we are effectively addressing the needs of European and International organizations and institutions and delivering value-added integrated solutions to our customers.
Through our strong industrial vertical expertise, supported by the range of our horizontal solutions, we hold a substantial and successful track record in the delivery and implementation of large-scale, mission-critical projects in the sectors of Banking & Finance, Enterprise & Utilities, Government, and Telecommunications, as well as in EU Institutions and Agencies.
Participations in real commercial implementations of best practices (i.e. ITIL, RUP, PRINCE2, PMI), has provided our people with significant experience, unique know-how and proven capability in designing, implementing and successfully supporting complex ICT projects, through a range of solutions and business areas.
At Uni Systems, we support innovation, and we have been investing in the European and National research ecosystem. Our Research and Innovation (RDI) department has been successfully bidding and winning a series of research programs in promising technological areas, such as 5G, AI in Health, and Blockchain in Governance.
Enabling our clients' digital transformation journey is our passion and we remain strongly committed to it.








