More in details, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work company with over 35.000 employees all over the world and presence in more than 35 countries. We are leaders on digital technology services, and we provide large-scale technologic solutions to big companies.

We are looking for a Senior iOS Software Engineer passionate about building high-quality mobile experiences at scale and contributing to impactful digital products .

High english level is required.

⚙ Contribute to the development of fully native mobile applications, ensuring a seamless and engaging user experience
Act as a technical evangelist, mentoring and coaching junior engineers
Develop well-structured, scalable, and well-tested code for iOS apps and backend orchestration services
Work closely with senior engineers across teams to maintain a compelling mobile offering
Promote engineering best practices including quality, testing, and collaboration





Proven experience delivering high-quality native iOS applications at scale
Strong programming skills in Swift and deep knowledge of the iOS ecosystem
Expertise with modern iOS development tools: Git, Xcode, XCTest, XCUITest, Jenkins
Solid understanding of iOS platform capabilities in enterprise environments
Experience mentoring or guiding junior engineers
Passion for quality, applying practices such as Pair Programming, TDD, and BDD
Interest in cloud technologies, especially AWS
English C1

Hands-on experience with AWS/cloud environments
Numerous benefits (Heath Care Plan, Internet Connectivity, Life and Accident Insurances).
- Retribución Adaptable´ Program: (Meals, Kinder Garden, Transport, online English lessons, Heath Care Plan…)
- Free access to several training platforms
- Real Work Life Balance measures (flexibility, WFH or remote work policy, compacted hours during summertime…)
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📌 Senior iOS Developer (Pamplona)
🏢 UST España & Latam
📍 Pamplona