Software Engineer Mobile SDK (iOS and Android)

UJET · Seoul

Posted 7/7/2026 · last confirmed live 8/26/2026

About Us UJET leads the way in AI-powered contact center innovation, delivering a future-proof, cloud platform that redefines the customer experience with cutting-edge AI, true multimodality, and a mobile-first approach. We infuse AI across every aspect of your customer journey and contact center operations, to drive automation and efficiency. UJET's AI solutions empower agents, optimize customer journeys, and transform contact center operations for elevated experiences and actionable insights. Built on a cloud-native architecture with a unique CRM-first approach, UJET ensures unmatched security, scalability, and prioritized data insights (without storing PII). Designed for effortless use, UJET partners with businesses to deliver exceptional interactions, smarter decision-making, and accelerated growth in the AI-driven world. Learn more at www.ujet.cx . Opportunity UJET is searching for an experienced Software Engineer (Mobile SDK) to join our growing team! The ideal candidate is someone who has shipped several products at large scale and is meticulous with code style and quality, with the ability to own features and end-to-end architecture. Responsibilities Establish yourself as a subject matter expert and focus on initiatives on the mobile SDK team Be a collaborative team player who can lead and deliver backend services with high availability, low latency, and auto scalability Collaborate between engineers, product owners, and designers Possess a deep understanding of the product and business goals which translate into technical design documents Architect, design, develop, deploy, and operate services that serve start-ups to enterprise clients Be a leader of the UJET backend developer community affecting and driving our architecture across the company Drive strong engineering practices within your team and define and teach these practices within the UJET developer community Contribute to the vision and long-term strategy in your domain of expertise Find ways to spread learning across the organization (give internal talks, contribute to internal blogs, etc.) Design, build, document, release, and support multi-tier, scalable, and reliable full-stack software systems. Gather technical requirements, make architectural trade-off decisions, apply synchronous and asynchronous design patterns, write and review code, and deliver software products with speed and quality. Interface and collaborate with our POS terminal vendor partners as the technical point of contact for new and on-going integration projects as needed. Requirements Must be a South Korean citizen or currently reside in South Korea with a valid work visa Bachelor's Degree in Computer Science 4+ years’ experience in software development, with at least 2 years of mobile development experience At least two years of experience with the Swift or Kotlin programming languages for iOS or Android development, respectively Expertise in iOS and/or Android mobile operating systems and frameworks, along with a willingness to learn and contribute to the other. Working experience developing SDKs Experience implementing mobile design principles with deep understanding of mobile lifecycle Efficiency in software best practice and tools like Git, Docker, CI, 12factor, etc Ability to work collaboratively and cross-functionally, in a fast-paced start-up environment UJET is an Equal Opportunity Employer UJET provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Compliance Responsibilities Security, data protection and compliance (SDPC) are paramount to the success of our partnerships. All roles at UJET require compliance with legal and regulatory requirements and acceptance and adherence to all policies and standards within UJET. Personnel acknowledges they are personally responsible for reporting any suspected violations or abuse and are required to complete SDPC training and fulfill role-specific SDPC responsibilities. Why UJET? Impactful Work: Be at the forefront of innovation, directly shaping the future of customer experience.  Dynamic Culture: Join a collaborative, inclusive team that values big ideas, creative solutions, and powerful relationships. Comprehensive Benefits: Medical, dental, vision, 401(k) plan, wellness benefits, and more.

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