Principal Software Engineer (iOS)

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The Role

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

Principal iOS Engineer 

As a Principal iOS Engineer, you will drive the architecture, development, and innovation of our iOS applications, ensuring they are scalable, secure, and deliver an exceptional user experience. You’ll lead by example, influencing both technical direction and best practices across teams. 

You will work with cutting-edge technologies, leveraging Swift, SwiftUI, React Native to build world-class iOS applications. As part of a core engineering team, you'll participate in architectural discussions, mentor engineers, and contribute to shaping the mobile strategy of the company. 

Key Responsibilities 

  • Influence Organization-Wide Impact: Identify and drive solutions that improve efficiency and scalability across teams. 
  • Technical Leadership: Define the iOS technology roadmap, stay up to date with industry trends, and ensure best practices. 
  • Architecture & Design: Own and evolve the high-level architecture of iOS applications, ensuring modular, scalable, and maintainable codebases. 
  • Mentorship & Collaboration: Guide and mentor engineers, fostering a strong engineering culture and cross-functional collaboration. 
  • End-to-End Ownership: From ideation to deployment and monitoring, take full responsibility for iOS application development. 
  • Performance Optimization: Continuously improve app performance, responsiveness, and reliability. 

Required Experience & Skills 

  • 15+ years of professional software development experience, with 10+ years in iOS development. 
  • Expertise in Swift, SwiftUI, and UIKit, with a deep understanding of iOS frameworks and architecture patterns (MVVM, VIPER). 
  • Strong experience with GCD & async/await and memory management. 
  • Proficiency in RESTful API integration, GraphQL, and WebSockets for real-time applications. 
  • Strong understanding of CI/CD pipelines for iOS. 
  • Experience working with Testing frameworks (UI, Int, Unit) 
  • Experience with App Store deployment processes 
  • Familiarity with secure coding practices, authentication and data encryption on iOS. 
  • Passion for performance optimization, accessibility, and modern iOS trends. 
  • Strong leadership and communication skills, with experience collaborating with product, design, and backend teams. 

This role is for someone who is not only a technical expert in iOS development but also a visionary leader who can influence mobile strategy at an organizational level. If you are passionate about building world-class iOS applications and pushing the limits of what’s possible on mobile, we’d love to hear from you! 

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.

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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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