Staff iOS Engineer, Media Foundations - BeReal

📋 Description Design, build, and maintain high-performance camera and video features on iOS. Own and improve parts of our AVFoundation camera stack: capture sessions, devices, formats, frame rates, exposure, and device capabilities. Build and optimize real-time image and video processing pipelines. Improve capture quality, latency, stability, and smoothness across supported iPhone models. Work on multi-camera flows, front/back video composition, video encoding, media export, and audio/video synchronization. Optimize CPU, GPU, memory, battery usage, thermal behaviour, buffer allocation, and multithreaded processing. 🎯 Requirements 6+ years of iOS experience, including strong hands-on work on camera, video, or media-heavy features. Deep expertise with AVFoundation and iOS camera APIs: AVCaptureSession, AVCaptureDevice, video outputs, capture formats, frame rates, exposure, and device configuration. Strong experience designing and optimizing real-time camera, image, and video pipelines, with a solid understanding of media formats, encoding, buffer management, and capture quality and performance constraints. Strong performance mindset: CPU/GPU usage, memory, battery, thermal constraints, multithreading, and minimising buffer copies. Comfortable with iOS profiling tools such as Instruments, Time Profiler, Allocations, and Metal System Trace. Strong Swift skills. Experience with Metal, Core Image, or lower-level Apple APIs is a plus. 🎁 Benefits Competitive salary based on experience Swile Lunch voucher Gymlib (100% covered by Voodoo) Premium healthcare coverage with SideCare, 100% covered for you and your family Wellness activities in our Paris office €1,000 annual budget for attending tech conferences and professional events