Vacancy: iOS Developer

Location: Remote Company: Lagrange Labs Salary Range: from 4,500 to 6,500 USD Employment: remote, full-time

Responsibilities:

— Development of a mobile wallet and tools for interaction with ZK-protocols on the iOS platform. — Creation of intuitive and responsive interfaces using SwiftUI/UIKit. — Integration of the application with the blockchain (signing transactions, working with private keys). — Implementation of secure data storage on the device (Keychain, Secure Enclave). — Interaction with the Backend team via REST/WebSocket API. — Performing unit and UI testing of the mobile application. — Publishing and maintaining applications in the App Store.

Requirements:

— iOS development experience of 3+ years. — Expert knowledge of Swift and understanding of MVVM / VIPER architectures. — Experience with multithreading (GCD, Combine, Async/Await). — Practical experience integrating Web3 libraries (e.g., Web3.swift). — Understanding of mobile security principles and cryptography. — Ability to work with Figma and attention to design details. — Presence of published applications in the App Store.