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Senior C# Developer

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 our Diversity, Equality & Inclusion Policy for more information.

Average salary estimate

$110000 / YEARLY (est.)
min
max
$90000K
$130000K

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What You Should Know About Senior C# Developer, Uni Systems

At Uni Systems, we believe in transforming digital visions into reality, and we are thrilled to welcome a Senior C# Developer to our UniQue team! If you’re passionate about software development and have a knack for problem-solving, you might just be the perfect fit. In this role, you will be implementing and reviewing software changes using Azure DevOps, directly contributing to the development of front-end applications, and managing communication with back-end services. Not only will you design and implement new system interfaces, but you'll also enhance existing ones, taking both file-based and real-time systems into account. Your ability to coordinate technical work across teams will be vital, as integration testing will be part of your responsibilities. You’ll create user stories and test cases, ensuring everything runs smoothly while supporting bug fixing and improving system stability. With your Master’s degree in Computer Science or Engineering and a rich experience of over ten years in software development—five specifically in C#—you are well-prepared to make an impact. If you have strong experience with WinForms and a solid understanding of async programming, multi-threading, and integration patterns, we would love to hear from you. Proficiency with Git and basic SQL Server knowledge will also be beneficial. Join us at Uni Systems to find fulfilling opportunities where you can thrive both personally and professionally. We care deeply about our people, ensuring equal employment opportunities in a diverse workplace that fosters inclusion.

Frequently Asked Questions (FAQs) for Senior C# Developer Role at Uni Systems
What are the main responsibilities of a Senior C# Developer at Uni Systems?

As a Senior C# Developer at Uni Systems, your main responsibilities include implementing and reviewing software changes through Azure DevOps, developing front-end applications, and integrating them with back-end services. You will design new system interfaces, enhance existing ones, coordinate technical work across teams, create user stories with acceptance criteria, and ensure overall system stability and bug fixing.

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What qualifications are required to apply for the Senior C# Developer position at Uni Systems?

To qualify for the Senior C# Developer role at Uni Systems, candidates should hold a Master’s degree in Computer Science or Engineering, along with over ten years of software development experience. Importantly, at least five years must be specifically focused on C#. Familiarity with WinForms, async programming, and API development is also essential.

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Is experience with Azure DevOps necessary for the Senior C# Developer role at Uni Systems?

Yes, experience with Azure DevOps is highly desirable for the Senior C# Developer at Uni Systems, as it is crucial for implementing and reviewing software changes effectively. Familiarity with test automation tools like Playwright and version control systems like Git will greatly benefit your application.

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What programming skills are important for a Senior C# Developer at Uni Systems?

A Senior C# Developer at Uni Systems should possess strong programming skills in C#, along with in-depth knowledge of WinForms and third-party UI frameworks. Understanding of async programming, multi-thread applications, and integration patterns using formats like JSON and XML is also important.

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What is the work environment like for a Senior C# Developer at Uni Systems?

The work environment at Uni Systems for a Senior C# Developer is collaborative and dynamic. We prioritize teamwork and communication, ensuring that developers can work together seamlessly on integrating systems. The company promotes a diverse and inclusive culture, offering opportunities for personal and professional growth.

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Common Interview Questions for Senior C# Developer
Can you describe your experience with C# and how you have used it in previous projects?

Be prepared to discuss specific projects where you utilized C#. Talk about the features you implemented, challenges you faced, and how you ensured code quality. Highlight any unique solutions you developed and how they improved overall project outcomes.

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What strategies do you use to ensure the quality of your code?

Discuss the importance of code reviews, unit testing, and automated testing in your development process. Emphasize your experience with tools like Azure DevOps and how they help you maintain high code quality and efficiency.

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How do you approach debugging in C# applications?

Outline your debugging techniques, including using breakpoints, logging, and the importance of understanding stack traces. Provide examples from your previous work that demonstrate your systematic approach to addressing bugs.

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What design patterns are you familiar with and how have you applied them in C#?

Explain key design patterns like Singleton, Factory, or Observer that you have applied in your projects. Share specific instances where these patterns benefited your code architecture or enhanced maintainability.

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How do you stay updated with the latest developments in C# and software development?

Mention strategies like following influential C# blogs, participating in online forums, and attending workshops or webinars. Share any notable communities or resources that you regularly engage with to keep your skills sharp.

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Can you give an example of a multi-threaded application you worked on?

Share details of a project that involved multi-threading. Discuss the challenges you faced, how you managed concurrency issues, and the techniques you used to ensure thread safety.

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How do you prioritize tasks and manage deadlines in your projects?

Discuss your methods for prioritizing tasks, such as Agile methodologies and user story creation, and how you communicate with your team to ensure everyone is aligned. Provide an example of how this has worked effectively in the past.

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What experience do you have with APIs and their integration?

Talk about your experience as both a consumer and provider of APIs. Provide examples of how you have designed, developed, and integrated APIs within applications, focusing on challenges you encountered and solutions implemented.

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Describe your experience with source control systems, specifically Git.

Detail your experience using Git for version control. Discuss your familiarity with branching strategies, pull requests, and how you resolve conflicts to maintain a smooth workflow in team environments.

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What is your experience with database querying, specifically SQL Server?

Discuss your familiarity with SQL Server and how you've utilized SQL for querying database tables in your past roles. Share experiences where effective querying has impacted application performance or data handling.

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Uni Systems SA, a 100% subsidiary of Info-Quest, the largest IT Company in Greece for many years, is the Group's specialized integrated technology solutions implementation Company. Uni Systems is the largest IT & Communications integrated solution...

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Full-time, remote
DATE POSTED
April 17, 2025

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