We are Optime, a high-growth International Software development company with strong leadership over 20 years of extensive experience, focusing on embedded and telecommunications systems engineering.
17 серпня 2022

Senior iOS Developer (вакансія неактивна)

Тбілісі (Грузія), віддалено

About Us:

Optime is a worldwide provider of software engineering services. Our focus is embedded software, telecommunications systems, network applications, and multimedia systems development. Our mission is to exceed customers’ expectations and set a new standard for industry-leading solutions.
We at Optime deliver software solutions with ultimate care and virtue and strive to be a trustworthy partner for our clients.

Job Description:

You’ll be working with our UK-based partner company on a project similar to WhatsApp & Viber, described as an end-to-end encrypted video and audio communication service with Crypto chat and Media sharing functionality. Our team is responsible for developing the whole project from scratch. However, the WebRTC module is already implemented by our CORE team, and now we need more Software Engineers to enrich the project and create a new and functionality-rich communicator module.

Technical stack:

Linux, NestJS, IOS, MacOS, Swift, CoreData, WebRTC, Socket.io, Kafka, Redis, Ceph, PostgreSQL, Mongo, Kubernates, AWS.


  • 4+ years of experience in the development of mobile applications for iOS;
  • Good knowledge of Swift and iOS;
  • Deep practical knowledge of iOS SDK, understanding of iOS architecture, official platform -recommendations, native platform tools, and techniques;
  • Experience with Socket.io
  • Experience with CoreData and SQLite
  • Familiarity with modern practices in iOS applications development;
  • Experience building commercial products for Apple platforms;
  • Strong OOP/OOAD background and ability to apply it in practice;
  • Courage to take on a wide variety of iOS development tasks: from UI layout and asynchronous programming to low-level hardware-related tasks;
  • Experience with RestAPI and one of the WebSocket libraries;
  • Performance analysis and optimization techniques, fluency with performance analysis tools;
  • Earnest warrior for high-quality, stable, and future-proof code;
  • Ability and desire to write unit tests;
  • Proactive problem-solving habits and engineering mindset;
  • Strong communication and collaboration skills;
  • Good written and spoken English.

Will be a plus +

  • Experience with Objective-C/C++;
  • Experience with VoIP, SIP, and WebRTC.
  • Experience with IoT, video streaming, peer-to-peer, and Bluetooth.


  • Design, architect, and develop SDKs, applications, and extensions for iOS and iPadOS;
  • Operate in a flexible R&D environment within the scope of common product goals;
  • Collaborate with software engineers, designers, QA engineers, and other product teams to build complex products;
  • Continuously discover, evaluate and implement new technologies to improve development efficiency.


  • Ability to work 100% remotely/hybrid/office.
  • 4 days working week (10 hours per day).
  • Medical insurance for you and your family.
  • Vacation 24 working days.
  • Internal training and knowledge sharing.
  • Team activity and trips for 2-3 days inside/outside Georgia (sometimes with families)
  • Participation in selected technical conferences and exhibitions.
  • Professional growth within the company, performance review, and salary increase based on work results.

If you are interested, do not hesitate to send your CV to the following email address: [email protected]v