Напиши текст вакансии для должности "Middle iOS Developer (VOIP SDK Integration)". Название компании: "Intermedia". Расположение: Санкт-Петербург. График работы: Удаленная работа. Опыт работы: От 1 года до 3 лет. Ключевые навыки: 'Git', 'iOS', 'SDK', 'Swift'

INTERMEDIA is a Unified Communications as a Service (UCaaS) and business cloud email provider hyper-focused on delivering easy-to-use and secure communication and collaboration solutions to SMBs and the partners that serve them. More than 110,000 business customers and 6,500 active partners rely on Intermedia for greater reliability and productivity. We offer cloud voice, web/video/content sharing and conferencing, chat, presence, file backup, sync and share, business email, identity and access management, security, archiving, and more. As part of our unified communication solutions, we’re bringing to market best of breed HD video conferencing solutions with crystal clear audio, through desktop, mobile and beyond! We’re looking for brilliant minds who can make this vision a reality and help us improve communications for millions of users. Requirements:  3+ years of experience in mobile applications development Strong Swift knowledge (5.x language level) Objective-C knowledge (at least on basic level) Strong knowledge of iOS SDK (iOS 12 and higher): specifically GCD, AVFoundation, CallKit, PushKit Knowledge of SIP protocol, experience working with VoIP SDKs (PJSIP, Linphone, Zoiper, Bria or others) C/C++ knowledge on a level enough to successfully integrate C code with Swift code English language: sufficient for written communication  Scope of work:  Development of Swift wrapper around PJSIP VoIP SDK for iOS softphone application Design and development of necessary architectural updates for integration of newly developed wrapper into existing application code base Transfer all application calling features to new SDK wrapper Continuous enhancements to existing VoIP functionality  We offer:  Friendly working environment; Work in a market leading company, stable and growing; Competitive salary with performance-based rewards; Flexible working hours; Medical Insurance package; Remote work from any city of Russia; Opportunity to take part in professional conferences; English language courses in the office; Partial compensation of costs on fitness; Cycle parking, shower, equipped kitchens, tea, coffee and fruits.