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Senior .NET Engineer

Uni Systems

Athens, Attica, Greece Hybrid permanent

Posted: April 3, 2026

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Quick Summary

We're looking for a Senior .NET Engineer to join our UniQue team to lead customer implementations through analysis, design, development, and deployment of .NET systems.

Job Description

At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a .NET Engineer to join our UniQue team.

What will you be bringing to the team?

• Actively participate in the software development lifecycle, assuming leading responsibilities
• Be the Engineer for customer implementations through analysis, design, development, and implementation
• Assist with the deployment and configuration of the system
• Propose viable technical solutions
• Maintain comprehensive technical documentation, including code documentation and system documentation, to aid in knowledge sharing and onboarding of new team members
• Investigate and resolve complex technical issues, providing root cause analysis and implementing solutions to prevent recurrence
• Participate in project planning sessions, provide technical input for project estimations, and ensure that development timelines are met
• Collaborate effectively with cross-functional teams, including front-end developers, database administrators, and quality assurance engineers, to deliver high-quality software solutions
• Promote a culture of continuous improvement within the development team, identifying areas for process enhancement and efficiency gains


Requirements:
What do you need to succeed in this position?

• Degree in an IT-related field
• At least 5 years of work experience in Software Development
• Good knowledge of the use of Git or any other source code versioning tool
• Working experience with .NET Core, Entity Framework, and MS SQL Server
• Good knowledge of writing anti-corruption layers and other seams to prevent legacy code from influencing new parts of the application
• Familiarity with writing unit tests that are de-coupled from the system under test
• Proficiency in Object-Oriented Designs
• Experience with writing REST APIs
• Knowledge of Azure Components: App Services, Azure Storage, Azure Service Bus, Azure Application Insights, etc. would be an advantage
• Knowledge of the CQRS pattern would be preferable
• Knowledge of Service Oriented Architecture and/or Microservices would be an advantage
• Εxcellent use of the English language (verbal & written)


Benefits:
What are we offering to our UniQue IT people?

• People-first approach and open environment to express your ideas
• Ticket restaurant - meal vouchers
• Corporate laptop and equipment
• Corporate mobile phone subscription
• Work-life balance and a hybrid work model
• Health and insurance plan for you and your family members
• Employee consulting and guidance support by Hellas EAP
• Continuous training and certifications
• Discounts on the services and products of our Group’s companies
• Gift vouchers for major life milestones
• Special work schedule on summer Fridays and your birthday

Our UniQue IT people are the most valuable part of Uni Systems; their knowledge and experience have made us the leading and reliable systems integrator of today and have contributed to our steady financial growth. We have created and are maintaining a stable working environment for our employees, with countless opportunities to innovate and thrive. Our work culture recognizes our UniQue IT people, and supports the free sharing of ideas and the flow of information via open communication while appreciating and effectively utilizing the talents, skills, and perspectives of each employee.

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.

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