Senior Software Engineer, Sdk - Ios

Onfido Unipessoal Lda (Pt); Greater London; Hybrid; GBP 70,000 - 100,000; Full time

Job summary

Entrust is seeking an experienced iOS Engineer to join the Document Experience group. You will help build and operate resilient, scalable iOS solutions that delight customers and developers, delivering quality code in an agile environment.

You’ll work closely with product designers, managers, and engineers to craft intuitive experiences, while leveraging the iOS SDK, API design, and mobile engineering best practices. Join a team that values collaboration and continuous improvement.

Qualifications

• 3+ years of hands-on iOS development experience.
• Strong understanding of Apple design guidelines.
• Experience integrating RESTful APIs and back-end services.
• Proficient in test automation and CI/CD pipelines.

Responsibilities

• Build new products and expand existing ones in the iOS SDK.
• Design scalable, highly available, performant solutions.
• Collaborate with designers, PMs, and engineers to deliver great experiences.
• Use Swift and iOS best practices to integrate the iOS SDK easily.
• Improve test automation and CI/CD for reliability.
• Foster a culture of collaboration and continuous improvement.

Skills

iOS development

RESTful APIs integration

Test automation & CI/CD

UI/UX design guidelines

Job description

Join us at Entrust

At Entrust, we’re shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely.

Entrust's values are a cornerstone of who we are, our future business growth and how our people grow through it. We model our values by demonstrating that Customer Trust Is Earned, moving with purpose because Speed Is Intentional, taking accountability because We Own the Outcome, and building a collaborative culture where One Entrust Wins Together.

Get to Know Us

Headquartered in Minnesota, Entrust is an industry leader in identity-centric security solutions, serving over 150 countries with cutting‑edge, scalable technologies. But our secret weapon? Our people. It’s the curiosity, dedication, and innovation that drive our success and help us anticipate the future.

Locations:

• Portugal - Remote (anywhere in Portugal) or Hybrid (office in Lisbon)
• London, UK - Hybrid, 3 days onsite

Position Overview:

As Mobile Engineer at Entrust, you will help our R&D organisation build and operate resilient, scalable and delightful experiences for our customers. At Entrust, you'd be joining a talented and friendly team which loves to delight its customers with quality and robust code. We care about user and developer experience, and we work in an agile way to regularly ship code to production. We're currently looking for an iOS Engineer for the Document Experience group. The Document Experience owns the end user experience of capturing documents. We develop the camera capabilities, on device image processing and machine learning to support getting a great image while delighting the end user. This is delivered through five SDKs (Android, iOS, React Native, Flutter & Web), which are embedded into customer applications to help users prove their identity. They care deeply about image capture quality, accessibility, customisation and reducing friction for end-users.

Responsibilities:

As an iOS Engineer you will:

• As an iOS Engineer at Entrust, you will focus on being a technical expert in your field and build new products and expend on existing products while working with the team to further improve our SDK document capture experience
• Design and deliver solutions that will scale with significant volumes, be highly available, performant and resilient. We’re on a rapid growth trajectory and have interesting problems to solve to ensure our service stays robust and delivers good service to our customers.
• Work closely with product designers, product managers, and other engineers to deliver great experiences to our customers and their users, leveraging your strong understanding of the iOS SDK, API design and mobile engineering good practice.
• Working within the team, prototype and iterate until the solutions are impactful and well-polished, supporting multiple devices and meeting our accessibility standards. Use Swift to develop novel solutions that allow our customers to integrate the iOS SDK easily within their application, contributing with your knowledge of iOS best practices to make their life easier.
• Improve the reliability and safety of our continuous delivery by contributing to our test automation and CI/CD pipelines.
• Contribute to fostering a culture of psychological safety, inclusivity, collaboration and continuous improvement within the team through participation in retrospectives and feedback.

Basic Qualifications:

• Proven iOS Experience: 3+ years of hands-on iOS development experience
• UI/UX Best Practices: Good understanding of Apple’s design guidelines, mobile user experiences principles, and best practices for building intuitive and responsive interfaces.
• API Integration: Proven ability to design and integrate RESTful APIs, third-party libraries, and back-end services to enhance app functionality.
• Must have strong experience with Test automation and CI/CD pipelines

Preferred Qualifications:

• iOS: A portfolio of published apps on the App Store
• iOS SDK: SDK development experience
• React Native and Flutter experience

At Entrust, we don’t just offer jobs – we offer career journeys. Here is what you can expect when you join our team:

• Career Growth: Whether you’re a budding developer or a seasoned expert, we’re invested in your professional journey. With learning-forward initiatives and exciting challenges, your growth is our priority.

• Flexibility: Life is all about balance. Whether you’re remote, hybrid, or on-site, we offer flexible options that fit your lifestyle.

• Collaboration: Here, your voice matters. Our teams thrive on sharing ideas, brainstorming solutions, and working together to build a better tomorrow.

We believe in securing identities—but it doesn’t stop there. At Entrust, we’re passionate about valuing all identities. Our culture is built on diversity, inclusion, and respect. From unconscious bias training for our leaders to global affinity groups that connect colleagues across the globe, we’re creating a community where everyone is encouraged to be themselves.

Ready to Make an Impact?

If you’re excited by the prospect of innovating, growing your career, and collaborating in a dynamic environment, Entrust is the place for you. Join us in making a difference. Let’s build a more secure world-together.

Entrust is an EEO/AA/Disabled/Veterans Employer

Entrust values diversity and inclusion and we are committed to building a diverse workforce with wide perspectives and innovative ideas. We welcome applications from qualified individuals of all backgrounds, and we strive to provide an accessible experience for candidates of all abilities.