Senior .NET Developer

Mellon Group

. Lead the design and development of backend solutions using C# and .NET technologies .

Posted 10/8/2026full-timeAthens • GreeceSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in backend development using C# and .NET technologies, with a strong focus on software architecture, design patterns, and clean coding principles. Proven ability to lead teams, mentor junior developers, and ensure system performance and reliability.

Highest-signal resume keywords

C# DevelopmentASP.NET / .NET CoreRESTful API DevelopmentAzure Cloud PlatformsSoftware Architecture

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Backend DevelopmentEntity FrameworkSQL DatabasesDesign PatternsClean Coding PrinciplesRazorBlazorDevOps PracticesCI/CD PipelinesFrontend Frameworks

Soft Skills

Excellent CommunicationMentoringProblem-SolvingProactivenessAttention to Detail

Tech Stack

Tools & technologies

AzureCloudEntity FrameworkJavaScriptSQLTypeScript.NET

About the role

Key responsibilities & impact

Lead the design and development of backend solutions using C# and .NET technologies
Conduct system analysis, propose architectural improvements, and ensure best practices
Collaborate with product owners, business analysts, and clients to understand requirements and translate them into technical solutions
Mentor and guide junior developers, review code, and promote software development standards
Participate in planning, estimation, and technical decision-making processes
Ensure system performance, scalability, and reliability through proper design and implementation

Requirements

What you’ll need

5+ years of professional experience in backend development with Microsoft technologies (C#, .NET / .NET Core)
Strong understanding of software architecture, design patterns, and clean coding principles
Experience with RESTful APIs, Entity Framework, and SQL databases
Ability to analyze complex requirements and translate them into technical specifications
Excellent communication skills and ability to interact with clients and internal stakeholders
Proven experience in leading or mentoring development teams
Full-stack experience with Razor, Blazor, or other Microsoft web technologies
Experience with cloud platforms (Azure preferred)
Familiarity with DevOps practices and CI/CD pipelines
Knowledge of frontend frameworks (e.g., JavaScript, TypeScript) is a plus
Strong problem-solving mindset and ownership attitude
Ability to work effectively both independently and in a team environment
Proactiveness, attention to detail, and a drive for continuous improvement

Benefits

Comp & perks

Opportunities to evolve into an international hyper-technological working environment
Multicultural and excellent working environment
Leading-edge technology
Continuous training