Senior Software Engineer (i OS) - OP01627 We invite a highly experienced and proactive i OS Software Engineer to join our team. You'll manage the full software development life cycle - designing, coding, testing, and maintaining complex i OS applications for a leading payments technology company. In an agile environment, you'll collaborate with cross-functional teams, contribute to technical designs, refine development standards, and ensure code quality through best practices and thorough reviews. What's in it for you: Work with a Fortune 500 fintech leader delivering innovation across 100+ countries with top-notch payment solutions. Own the entire SDLC, from design to delivery, contributing to secure, high-performance i OS applications. Advance your skills and mentor others in a culture that fosters continuous learning. Is that you? 5+ years of i OS development experience. Expertise in native i OS development with Objective-C and Swift. Strong understanding of MVVM and other modern mobile architecture patterns. Hands-on experience with popular i OS libraries and integrations.



Experience with encryption frameworks and utilities like HTTPS, TLS, SHA-256, Keychain Services API, and Cipher Block Chaining. Excellent communication skills for effective documentation, planning, and collaboration. Strong critical thinking and attention to detail. Resourcefulness, self-motivation, and a team player mindset. Desirable: Experience with cross-platform development (KMP), familiarity with Kotlin. Experience with third-party device integration (watches, payment terminals, etc.). Understanding of client-server full-stack architecture. Understanding of Pub/Sub and Producer/Consumer messaging patterns. Key responsibilities and your contribution:
In this role, you'll drive the development of innovative i OS applications, working closely with engineering teams and business stakeholders to deliver robust, secure, and impactful solutions.
Develop, maintain, and enhance i OS apps based on

📌 Senior software engineer (Ciudad de México)
🏢 Dev.Pro
📍 Ciudad de México