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Senior Software Engineer, Mobile (SIM Key Auth & Trust)

US🌐 Remote💼 Full-time💰 $170,000–$170,000🗓 2026-07-15 → 2026-07-31

Core

Designing and developing authentication and trust products that integrate with Mobile Network Operators to enable secure, passive cryptographic authentication across digital channels.

Role type

Senior IC mobile and web software engineer

Builds

Scalable platform and mobile development frameworks for enterprise customers in banking, lending, healthcare, gaming, crypto, e-commerce, and payments

Domain

Digital identity, mobile security, cryptography

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Full stack software development, object-oriented programming, Kotlin/Java, Javascript/Typescript, Swift/ObjC, iOS/Android development, Web development, HTML5, CSS3, core JavaScript

Preferred skills

Building lower level client-side frameworks and SDKs, AWS, Firebase, public cloud services, technical leadership, high growth/pre-IPO company experience

Technologies

Kotlin, Java, Javascript, Typescript, Swift, ObjC, HTML5, CSS3, AWS, Firebase

Responsibilities

Write well-designed, efficient code across iOS, Android, and Web platforms; Own delivery of software features from Product to Production; Partner with Product, IT and Operations to define technical requirements and roadmaps; Troubleshoot and resolve complex customer-reported issues; Lead projects and mentor engineers

Seniority

Senior, hands-on IC

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