Senior Mobile Engineer (Swift/Kotlin) — Remote & Growth

Exerizon; United States; Remote; USD 140,000 - 190,000; Full time

Benefits offered by this job

Remote work option

Central Warsaw office access

Job summary

Exerizon is seeking a Senior Mobile Engineer to build and modernise native mobile apps for clients in banking, insurance and healthcare using Swift (iOS) and Kotlin (Android). You will own architecture, implement MVVM, and contribute to SDUI and AI-driven development in a security‑driven environment.

You will collaborate with product owners, designers, backend engineers and QA to deliver accessible, offline‑first experiences while mentoring mid-level engineers and shaping Exerizon's mobile

Qualifications

• 6+ years of native mobile development with production apps
• Strong knowledge of iOS and Android platforms
• Experience with security in regulated environments (OAuth2/OIDC) and offline-first apps

Responsibilities

• Design and build native apps in Swift and/or Kotlin
• Own the architecture: MVVM/Clean Architecture, DI, offline-first strategies
• Develop server-driven UI (SDUI) and client rendering engine
• Integrate with REST/GraphQL/gRPC and ensure end-to-end security
• Set and enforce engineering standards: CI/CD, tests, release management
• Deliver accessibility and localisation per client requirements
• Collaborate with product, design, backend and QA; mentor juniors

Skills

Swift

Kotlin

MVVM

SDUI

AI tooling

REST/GraphQL

Tools

Xcode

Jetpack Compose

GitHub Actions

Job description

Exerizon is seeking a Senior Mobile Engineer to build and modernise native mobile apps for clients in banking, insurance and healthcare using Swift (iOS) and Kotlin (Android). You will own architecture, implement MVVM, and contribute to SDUI and AI-driven development in a security‑driven environment.

You will collaborate with product owners, designers, backend engineers and QA to deliver accessible, offline‑first experiences while mentoring mid-level engineers and shaping Exerizon's mobile