Senior iOS Developer - MFi Specialist (Part-Time) for Hearing Aids

Remote, USA
Posted Jun 14, 2026
Full-time

Job Title: Senior iOS Developer - MFi Hearing Aid Specialist (Part-Time)

About the Role:

We are seeking an experienced iOS developer with specialized knowledge in MFi (Made for iPhone) hearing aid protocols to join our team on a part-time basis. The ideal candidate will work on resolving complex connectivity and discovery issues between iOS devices and MFi-compatible hearing aids.

Key Responsibilities:

- Diagnose and resolve issues related to MFi hearing aid connectivity and discovery within iOS environments

- Enhance the robustness of Bluetooth connections between iOS devices and hearing aids

- Improve iOS APIs for managing MFi hearing aid connections

- Develop and implement better error handling and reconnection protocols for MFi devices

- Collaborate with hearing aid manufacturers to ensure seamless integration

- Create and maintain documentation for MFi-related development and troubleshooting

Required Skills and Experience:

- 5+ years of iOS development experience

- In-depth knowledge of MFi hearing aid protocols and Bluetooth LE technology

- Strong understanding of iOS Accessibility features, particularly related to hearing devices

- Expertise in Swift and Objective-C programming languages

- Experience with Core Bluetooth framework and other relevant iOS APIs

- Familiarity with hearing aid firmware and hardware constraints

- Strong problem-solving and debugging skills

- Excellent communication skills for collaborating with cross-functional teams

Preferred Qualifications:

- Previous experience working with hearing aid manufacturers or other medical device companies

- Knowledge of audio processing and DSP (Digital Signal Processing)

- Familiarity with Apple's HomeKit or other IoT protocols

- Experience with ReplayKit or other audio streaming technologies

Project Duration:

Initial 1-month contract with possibility of extension based on project needs

Hours:

20-25 hours per week, flexible schedule

Location:

Remote, with occasional on-site meetings as needed

If you have a passion for solving complex technical challenges and improving accessibility through innovative solutions, we'd love to hear from you. Please submit your resume, relevant project examples, and a brief description of your experience with MFi protocols.

Job Type: Part-time

Pay: ?50,000.00 - ?80,000.00 per month

Expected hours: 20 per week

Work Location: Remote

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