Senior .NET Engineer

About The Role

FDM is a global business and technology consultancy seeking a Senior .NET Developer to work for our client within the financial services sector. This is initially a 12-month fixed term contract opportunity with the potential to extend and will be a hybrid role based in Dublin, Ireland. This is an excellent opportunity to design and develop secure, high-performance applications that support key operations in a global, regulated environment.

As a Senior .NET Developer, you’ll be involved throughout the entire software development lifecycle - from gathering requirements and designing system architecture to implementation, testing and deployment. You’ll work with C#, ASP.NET Core, Entity Framework and SQL Server to build scalable web applications and robust backend services. The role may also include API integrations and database performance optimisation, allowing you to enhance your technical expertise further.

Working within Agile teams and following CI/CD practices, you’ll collaborate closely with analysts, testers and other engineers to deliver solutions that meet business objectives. At FDM, you’ll benefit from a supportive culture and a clearly defined development path to strengthen both your technical and leadership skills.

About You

Requirements:

At least 7 years’ commercial experience in .NET development using C#

Strong knowledge of ASP.NET Core, Entity Framework and SQL Server

Experience developing RESTful APIs and web-based applications

A solid understanding of OOP principles, software design patterns and reliability engineering

Familiarity with Agile methodologies, CI/CD pipelines and version control tools (e.g. Git)

About Us

FDM is an award-winning global leader in tech and business talent solutions, backed by more than 35 years of industry experience. We have centres across Europe, North America, and Asia-Pacific, and a global workforce of over 2500 employees. FDM has shown exponential growth throughout the years, firmly establishing itself as an award-winning employer, currently listed on the FTSE4Good Index and as a 2026 Financial Times UK ‘Best Employer’.

Diversity and Inclusion

Why join us

Career coaching, mentoring and access to upskilling throughout your entire FDM career

Assignments with global companies and opportunities to work abroad

Opportunity to re-skill and up-skill into new areas, develop non-linear career paths and build a skillset within your field

Annual leave and work-place pension