At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a Senior C# Developer to join our UniQue team.
- Implement and review software changes using Azure DevOps.
- Support the development of the front-end application and manage communication with back-end services.
- Design and implement new system interfaces and enhance existing ones (file-based and real-time online).
- Coordinate technical work across teams and systems involved in integration, including integration testing.
- Create user stories, including acceptance criteria, and test cases to validate functionality.
- Support bug fixing and system stability improvements.
- Create and update technical documentation.
What will you be bringing to the team?
- Master’s degree in Computer Science/Engineering or equivalent with over 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).
- In depth knowledge of C#.
- Proficient with third party UI frameworks.
- 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.
- Strong knowledge of APIs development, both as consumer and provider.
- Experience with Git version source control.
- Basic knowledge of SQL Server and database querying .
- Desirable qualifications:
- Experience with Azure DevOps.
- Experience with Playwright or other test automation tools.
- Strong experience (at least 4 years) with DevExpress.
- Experience building (graph) diagrams using GoJS or similar Javascript libraries.
- A very good level of written and spoken English is required (minimum B2).
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.
