Senior Software Engineer, SDK - iOS

Entrust Corporation; Lisboa; Hybrid; EUR 70,000 - 95,000; Full time

Job summary

Entrust Corporation is seeking a Senior Software Engineer, iOS, to help build and operate scalable, reliable SDKs for document experience. You’ll work with a cross-functional team to deliver delightful mobile experiences, focusing on robust code, accessibility, and strong user and developer experiences.

You will design and implement iOS features using Swift, contribute to API integration, and help improve test automation and CI/CD pipelines in a fast-growing environment.

Qualifications

• 3+ years of hands-on iOS development experience.
• Good understanding of Apple design guidelines and mobile UX best practices.
• Experience designing and integrating RESTful APIs and third-party libraries.
• Strong experience with test automation and CI/CD pipelines.

Responsibilities

• Design and deliver scalable, highly available iOS solutions for the Document Experience SDK.
• Collaborate with product designers, managers and engineers to deliver great experiences and follow iOS best practices.
• Prototype and iterate to deliver impactful solutions across devices with accessibility in mind.
• Improve CI/CD pipelines and strengthen test automation.
• Foster a culture of collaboration, psychological safety, and continuous improvement.

Skills

iOS development

UI/UX principles

RESTful APIs

Test automation

CI/CD pipelines

Tools

React Native

Flutter

SDK development

Job description

## Senior Software Engineer, SDK - iOSApply: Hybrid or Remote Eligible: Portugal - Field: United Kingdom - London (Onfido): Full time: Posted Today: R004458**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.**Apply today!**For more information, visit www.entrust.com. Follow us on, LinkedIn, Facebook, Instagram, and YouTube*For US roles, or where applicable:***Entrust is an EEO/AA/Disabled/Veterans Employer***For Canadian roles, or where applicable:***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.***If you require an accommodation, contact [e-mail].***Recruiter:**Neha [e-mail]