Software Engineer (.NET​/Cloud – Energy

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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.

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 Dev Ops/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.

• 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 No
  
  SQL where appropriate.
• Leverage cloud-native technologies (containers, orchestration, serverless patterns) alongside on-premises resources to build and deploy secure, reliable, and scalable applications.
• Incorporate Dev Ops 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/Quality Automation teams to expand test coverage and integrate automated tests into CI/CD.
• Use Git effectively with established branching strategies (e.g., Git Flow 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.

• 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 No
  
  SQL databases is an advantage.
• Familiarity with Dev Ops principles,…