Senior iOS Swift Engineer (IoT)

TL;DR

Senior iOS Swift Engineer (IoT): Designing and implementing a Swift-based connectivity engine for BLE peripheral devices with an accent on real-time data streaming and hardware integration. Focus on building a scalable, language-agnostic connectivity layer using gRPC and Protobuf to support multi-platform applications.

Location: Must be based in the Czech Republic (Hybrid work available in Prague, Hradec Králové, or Zlín).

Company

hirify.global is a global custom product engineering company that partners with multinational organizations and startups to solve complex business challenges through innovative technology.

What you will do

• Design and implement a Swift-based connectivity engine for interacting with BLE peripheral devices.
• Develop core functionality for device discovery, scanning, pairing, and connection management.
• Implement real-time streaming of device data with a focus on low latency and high throughput.
• Expose the engine as a language-agnostic service using gRPC and Protobuf.
• Collaborate with cross-functional teams to integrate the engine with external clients, including Unity-based apps.
• Ensure platform reliability and performance through rigorous testing and observability via Apple ecosystem tooling.

Requirements

• Strong experience with Swift and modern iOS development.
• Must be located in the Czech Republic.
• Deep understanding of Bluetooth Low Energy (BLE) using CoreBluetooth.
• Experience building scalable software architectures for hardware integration.
• Strong problem-solving and debugging skills in concurrent environments.
• Ability to work effectively in cross-functional, collaborative product teams.

Nice to have

• Experience with gRPC and Protobuf APIs.
• Knowledge of messaging patterns like PUB/SUB or ZeroMQ.
• Familiarity with Unity and C# integration.
• Experience with IoT device connectivity platforms.

Culture & Benefits

• Flexible work arrangements balancing office and remote time.
• Comprehensive medical insurance and mental health support.
• Access to Udemy, language courses, and company-paid certifications.
• Growth-focused environment with opportunities for internal mobility.
• Active tech community with internal meetups, conferences, and workshops.
• Financial and legal consultation support.