Software Engineer

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Our client
is the first independent energy utility in Greece and a leader in providing outstanding and innovative energy solutions. They operate with enthusiasm in what they do and they take pride in offering their employees a place where they can excel and create value.

They are currently offering a set of exciting positions in their headquarters in Athens, across multiple departments and areas of expertise.

With its two privately owned power plants in Thisvi (Voiotia) and Thessaloniki, and a total installed capacity of 820 MW, our client uses natural gas as fuel and ensures a clean and continuous electricity flow, based on an environmentally friendly power generation process.

About the Role:

They are currently looking for a
Software Engineer (.NET / React)
who will design, develop, maintain, and test reliable, secure, and scalable applications built on .NET Core/C# with RESTful Web APIs and a React front end.

They will leverage cloud-native technologies including serverless architecture where appropriate, as well as on-premises resources, and adopt DevOps/CI/CD practices throughout the SDLC.

The role consistently applies SOLID and Clean Code principles, collaborates closely with cross-functional teams, and ensures solutions align with business objectives and security best practices.

Key Responsibilities:

• Act with professionalism, ethics, and a high sense of responsibility and collegiality at all times.
• Design, code, and test full-stack applications using
  .NET Core/C# (RESTful Web APIs)
  for back end and
  React JS
  or
  Blazor
  for front end, ensuring performance, security, and scalability.
• Participate in technical analysis and solution design, collaborating with cross-functional teams and external partners to translate business requirements into software solutions.
• Design and implement database schemas and optimize data access primarily on
  SQL Server
  , with familiarity with
  NoSQL
  where appropriate.
• Leverage
  cloud-native
  technologies (containers, orchestration, serverless patterns) alongside on-premises resources to build and deploy secure, reliable, and scalable applications.
• Incorporate
  DevOps
  practices—CI/CD pipelines and automated testing—to improve operational efficiency and delivery quality.
• Apply
  SDLC discipline
  ,
  SOLID principles
  , and
  Clean Code
  practices; maintain high-quality technical documentation and perform thorough code reviews.
• Implement
  security best practices
  and design for scalability to ensure systems remain resilient as business needs evolve.
• Implement
  unit and integration tests
  and collaborate with QA/QA Automation teams to expand test coverage and integrate automated tests into CI/CD.
• Use
  Git
  effectively with established branching strategies (e.g., GitFlow or trunk-based) and actively participate in pull-request reviews.
• Participate as 2nd or 3rd Level support in incident or problem management activities for in-house developed applications.
• Continuously learn and evaluate technologies; propose improvements and develop/enhance solutions to support core business and digitalization needs.

What They're Looking For:

• BSc in Computer Science or a related field.
• 3–6 years of relevant experience as a software developer in Microsoft .NET (Full Framework and/or .NET Core), with proven experience in both front-end and back-end development.
• Ability to build scalable and responsive web applications using .NET and modern front-end frameworks, with at least 3 years of hands-on experience in C#, LINQ, ASP.NET MVC, Web API, Entity Framework, HTML, CSS, JavaScript, and SQL Server.
• 3+ years of experience with at least one modern front-end framework such as React (preferred), Angular, or Vue; familiarity with Blazor is a plus.
• Experience with relational databases (SQL Server), schema design, and integration in enterprise applications; familiarity with NoSQL databases is an advantage.
• Familiarity with DevOps principles, including continuous integration, automated testing, and deployment pipelines (tools such as Git, Jenkins, or Azure DevOps).
• Experience with cloud-native technologies (serverless patterns, containers such as Docker) and knowledge of both cloud and on-premises architectures.
• Experience working in Agile/Scrum teams.

Core skills:

• C#, .NET Core, Web API/REST/JSON, React JS, TypeScript, HTML/CSS, Entity Framework, SQL Server, NoSQL, cloud-native (including serverless), containers (Docker), Git, Github Actions, CI/CD pipelines, SOLID and Clean Code principles, SDLC discipline, code reviews, documentation.
• AI-assisted development experience with GitHub Copilot (Visual Studio/VS Code): prompt design for code generation, refactoring, and test authoring.
• Nice to have: ASP.NET MVC, Blazor, Angular, Vue, SOAP, XAML, DevExpress.
• Certifications such as Microsoft Azure Fundamentals (AZ-900), Microsoft Azure Developer Associate (AZ-204), or Microsoft Azure AI Fundamentals (AI-900) are a plus.
• Strong analytical and problem-solving skills to address complex technical issues.
• Excellent English communication skills.
• Excellent teamwork and collaboration abilities.
• Adaptability to evolving technologies, business requirements, and project scopes.
• Commitment to staying updated with emerging trends and best practices in software development.

Their offer to you:

• Competitive salary
• Performance-based variable pay
• Ticket restaurant card
• Transportation reimbursement
• Private health insurance coverage
• Pension scheme
• Home electricity and natural gas discount
• Continuous learning and upskilling opportunities with access to premium training platforms
• One extra day of paid time off
• Reimbursement for athletic activities
• Unlimited fruits and snacks at the office