Senior Software Engineer (.Net)

Posted 4 Days Ago
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Budapest
In-Office
Senior level
Software
The Role
The Senior Software Engineer (.Net) will design and maintain scalable web applications and microservices, mentor team members, and use AI tools effectively in development.
Summary Generated by Built In

About 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. 

At Diligent, we're building the future with people who think boldly and move fast.  Whether you're designing systems that leverage large language models or part of a team reimaging workflows with AI, you'll help us unlock entirely new ways of working and thinking.  Curiosity is in our DNA, we look for individuals willing to ask the big questions and experiment fearlessly - those who embrace change not as a challenge, but as an opportunity.  The future belongs to those who keep learning, and we are building it together.  At Diligent, you’re not just building the future - you’re an agent of positive change, joining a global community on a mission to make an impact.

Learn more at diligent.com or follow us on LinkedIn and Facebook

Position Overview:  

As a Senior .Net Software Engineer at Diligent, you’ll be hands-on in shaping the future of our platform by designing and delivering secure, scalable, and high-performing web applications and serverless microservices using .Net and TypeScript on AWS. You’ll contribute meaningfully to our mission of making governance effortless for our customers, working in a team that owns its application and services end to end, from architecture and implementation to monitoring and continuous improvement. 

In this role, you’ll lead by example, owning products end-to-end from development to deployment and monitoring, driving architectural discussions, and mentoring others across the team. You’ll be a key voice in evolving our engineering practices and will actively champion the use of AI-powered tools to streamline development, improve quality, and boost team productivity. 

We’re looking for someone who is not only passionate about building great software, but also excited to explore how AI can unlock faster ways of working for themselves and their teammates. 

Key Responsibilities 

  • Design, implement, and maintain scalable, secure .NET backend services, evaluating architecture, technical complexity, and implementation impact for reliability, performance, and maintainability. 
  • Own and deliver well-defined backend stories independently, with deep understanding of .NET, frameworks, and supporting tools. 
  • Lead code reviews, enforce testing practices, and maintain service stability across backend services and infrastructure components. 
  • Coach and mentor peers on .NET patterns, best practices, clean architecture principles, and AI-augmented development; foster collaboration, knowledge sharing, and constructive feedback. 
  • Collaborate with Product, Security, DevOps, and other teams to align on features, deployment, compliance, and security requirements. 
  • Maintain Agile development flow and drive iterative improvements in backend services. 
  • Advise on AI use (model concepts, prompt patterns, ethical/privacy considerations), embed monitoring and compliance checks, and document residual risks. 
  • Use AI tools to accelerate backend development tasks such as API design, database schema creation, infrastructure provisioning, debugging, and researching best practices, validating outputs and applying judgment. 
  • Understand core LLM concepts (tokens, context length, embeddings, hallucinations), recognize safe vs. unsafe use cases, and flag ethical, privacy, or cost concerns. 
  • Explore emerging backend frameworks, cloud patterns, and AI-assisted tools to improve productivity, scalability, and maintainability. 

Required Experience/Skills  

  • 5–7 years of professional software engineering experience in agile, fast-paced environments, delivering secure, scalable backend applications. 
  • Strong .NET proficiency: .NET 8+, Web API for RESTful services, clean architecture principles, repository patterns, ORMs, unit and integration testing. Python knowledge is a plus. 
  • AI Tooling & Practices: Skilled in using AI tools to boost productivity (e.g., architecture drafts, test scenarios, debugging, research), prompt engineering, and evaluating outputs responsibly (bias, ethics, cost). 
  • Database & Data Management: Solid experience with SQL databases, performance optimization, multi-tenant design, and data migration strategies. Familiarity with NoSQL or vector databases is a plus. 
  • Cloud & Infrastructure: Proficient with AWS services (S3, API Gateway, Lambda, CloudFront, IAM), Infrastructure as Code (CDK/Terraform), serverless architecture, and cloud security best practices. 
  • Security & Compliance: Applies .NET security best practices (JWT, API security, encryption, secure coding) and reviews AI-assisted suggestions for safety. 
  • Performance & Reliability: Experience with caching strategies, error handling, retry patterns, monitoring, observability, and scalability considerations. 
  • CI/CD mindset: Experience in CI/CD pipeline setup and exploring AI-assisted DevOps tooling. 
  • Collaboration & Communication: Strong teamwork, capable of leading architectural discussions, documenting designs (including AI-assisted), and presenting technical ideas clearly. 
  • Growth Mindset: Willingness to take on complex challenges, introduce new technologies, and continuously improve backend practices. 
  • Bonus/Optional: Knowledge of RAG, AWS Bedrock, or AI integration patterns. 
  • Education: Degree in Computer Science, Engineering, or equivalent hands-on experience. 

#LI-Hybrid

What Diligent Offers You 

  • 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.

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.   To foster strong collaboration and connection, this role will follow a hybrid work model. If you are within a commuting distance to one of our Diligent office locations, you will be expected to work onsite at least 50% of the time. We believe that in-person engagement helps drive innovation, teamwork, and a strong sense of community.


We are a drug free workplace. Diligent is proud to be an equal opportunity employer. We do not discriminate based on race, color, religious creed, sex, national origin, ancestry, citizenship status, pregnancy, childbirth, physical disability, mental disability, age, military status, protected veteran status, marital status, registered domestic partner or civil union status, gender (including sex stereotyping and gender identity or expression), medical condition (including, but not limited to, cancer related or HIV/AIDS related), genetic information, or sexual orientation in accordance with applicable federal, state and local laws. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. See also Diligent's EEO Policy and Know Your Rights. We are committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation due to a disability, you may contact us at [email protected].

To all recruitment agencies: Diligent does not accept unsolicited agency resumes. Please do not forward resumes to our jobs alias, Diligent employees or any other organization location. Diligent is not responsible for any fees related to unsolicited resumes.

Top Skills

.Net
AWS
Python
SQL
Typescript
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The Company
HQ: New York, NY
1,213 Employees

What We Do

Diligent is the leading GRC SaaS provider, serving nearly 1 million users from 25,000 organizations around the world. Our software enables holistic and informed conversations about governance, risk and compliance and ensures CEOs, CFOs and the board have an integrated view of audit, risk, information security, ethics and compliance from across the organization.

Our world-changing idea is to bring technology, insights and confidence to leaders so they can build more effective, equitable, and successful organizations – and create lasting, positive impact on the world. We seek to empower organizations to be better for their stakeholders and communities, for their customers and employees, for their bottom line.

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

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