Senior .NET Engineer — AWS Cloud SaaS (Remote)

The Hub/Danske Bank; Utrecht; Hybrid; EUR 90,000 - 120,000; Full time

Job summary

Mercell is seeking a Senior Software Engineer to join our engineering team in a cloud-native environment. You will design, develop, and optimize applications using ASP.NET, .NET Core, and .NET Framework, while integrating AWS services and ensuring secure, scalable solutions.

You'll collaborate across teams to uphold architectural standards, contribute to CI/CD and SDL, and refine database queries with strong SQL knowledge.

Qualifications

• Proven senior experience with the .NET ecosystem and cloud apps.
• Experience with AWS cloud services and API integrations.
• Strong SQL and database optimization skills.
• Excellent collaboration and problem-solving abilities.

Responsibilities

• Design, develop, and maintain robust applications using ASP.NET, .NET Core, and .NET Framework.
• Integrate and optimize services within AWS (SNS, S3, RDS, ECS, EKS, Lambda).
• Support the creation of secure, scalable, and high-performance software solutions.
• Collaborate with other teams and stakeholders to ensure architectural consistency and best practices.
• Provide expert guidance on platform improvements and technical challenges.
• Optimize database queries and maintain stored procedures using SQL.
• Contribute to CI/CD and SDL processes, with a focus on test automation.

Skills

ASP.NET

.NET Core

AWS

Web apps

CI/CD

SQL

Problem solving

Job description

Mercell is seeking a Senior Software Engineer to join our engineering team in a cloud-native environment. You will design, develop, and optimize applications using ASP.NET, .NET Core, and .NET Framework, while integrating AWS services and ensuring secure, scalable solutions.

You'll collaborate across teams to uphold architectural standards, contribute to CI/CD and SDL, and refine database queries with strong SQL knowledge.