Senior Backend Engineer (.Net and AWS)

Are you excited by building secure, scalable cloud-native services and exploring how AI can transform the way software is delivered? As a Senior Software Engineer, you'll design and own high-impact backend services using C#/.NET and AWS, influence architecture decisions, and help shape engineering best practices across the team. You'll work end-to-end—from development and deployment to monitoring and continuous improvement—while leveraging AI-powered tools to accelerate development, improve quality, and drive innovation.

Responsibilities

• Design, build, and own secure, scalable cloud-native services using C#/.NET and AWS.
• Lead technical decision-making, balancing performance, reliability, security, and cost considerations.
• Use AI-powered tools to enhance coding, debugging, testing, and prototyping while ensuring quality and safety.
• Drive architectural improvements using Clean Architecture, CQRS, and event-driven design patterns.
• Collaborate with Product, UX, Security, DevOps, and Engineering teams to deliver impactful solutions.
• Mentor engineers and champion modern development practices, including AI-augmented engineering workflows.

Requirements

• 5–7 years of software engineering experience building secure, scalable applications in an agile environment.
• Strong hands-on experience with C#, .NET, ASP.NET Core, Entity Framework Core, and RESTful API development.
• Experience designing and operating cloud-native services within AWS environments.
• Solid understanding of Clean Architecture, CQRS/MediatR, and event-driven system design.
• Practical experience using AI tools to support software development, with the ability to critically assess and validate outputs.
• Experience with modern software delivery practices including Docker, Infrastructure as Code, CI/CD pipelines, and monitoring tools.
• Strong communication, mentoring, and collaboration skills with a passion for continuous improvement.

Nice to have

• Experience with AWS services such as ECS/Fargate, Lambda, DynamoDB, SQS, EventBridge, or Step Functions.
• Familiarity with AWS CDK or Terraform for infrastructure automation.
• Experience with .NET Aspire, distributed tracing, OpenTelemetry, CloudWatch, or structured logging tools.
• Exposure to gRPC, Polly, feature flagging, or progressive delivery practices.
• Knowledge of AI governance, compliance, privacy considerations, and responsible AI adoption.
• Familiarity with Angular and TypeScript to support full end-to-end feature delivery.
• Experience evaluating and introducing new tools, frameworks, or AI-driven engineering solutions.

• Creativity is ingrained in our culture. We are innovative collaborators by nature. We thrive in exploring how things can be differently both in our internal processes and to help our clients
• We care about our people. Diligent offers a flexible work environment, global days of service, comprehensive health benefits, meeting free days, generous time off policy and wellness programs to name a few
• We have teams all over the world. We may be headquartered in New York City, but we have office hubs in Washington D.C., Vancouver, London, Galway, Budapest, Munich, Bengaluru, Singapore, and Sydney.
• Diversity is important to us. Growing, maintaining and promoting a diverse team is a top priority for us. We foster and encourage diversity through our Employee Resource Groups and provide access to resources and education to support the education of our team, facilitate dialogue, and foster understanding.

What Diligent Offers You

• Creativity is ingrained in our culture. We are innovative collaborators by nature. We thrive in exploring how things can be done differently, both in our internal processes and to help our clients.
• We care about our people. Diligent offers a flexible work environment, global days of service, comprehensive health benefits, meeting free days, a generous time off policy and wellness programs.
• We have teams all over the world. We may be headquartered in New York City, but we have office hubs in Washington D.C., Vancouver, London, Galway, Budapest, Munich, Bengaluru, Singapore, and Sydney.
• Diversity is important to us. Growing, maintaining and promoting a diverse team is a top priority for us.

Diligent is the AI leader in governance, risk and compliance (GRC) SaaS solutions, helping more than 1 million users and 700,000 board members to clarify risk and elevate governance. The Diligent One Platform gives practitioners, the C-Suite and the board a consolidated view of their entire GRC practice so they can more effectively manage risk, build greater resilience and make better decisions, faster.

Diligent created the modern governance movement. Our world-changing idea is to empower leaders with the technology, insights and connections they need to drive greater impact and accountability – to lead with purpose. Our employees are passionate, smart, and creative people who not only want to help build the software company of the future, but who want to make the world a more sustainable, equitable and better place.

Headquartered in New York, Diligent has offices in Washington D.C., London, Galway, Budapest, Vancouver, Bengaluru, Munich, Singapore and Sydney.