Staff iOS Engineer, Media Foundations

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BeReal.

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2020

👥 B2C

📱 Media

💰 $60M Series B - BeReal. on 2022-10

B2C • Media

BeReal is a social networking app focused on authentic, unfiltered daily sharing. Every day the platform opens a randomly timed two-minute window when users are prompted to post a front-and-back photo that captures both the scene and the person, rejecting filters, staging, and uploads. BeReal emphasizes spontaneous, intimate connections between friends and positions itself as a daily ritual for showing real life.

📋 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. • Investigate device-specific and iOS-version-specific behaviour, and propose pragmatic technical trade-offs. • Work closely with iOS engineers, product, design, backend, and data teams. • Contribute directly to the codebase and raise engineering standards around media performance and reliability.

🎯 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. • Autonomous, pragmatic, and comfortable solving complex hardware/software limitations. • Bonus: • - Experience with multi-camera capture or front/back video composition. • - Experience with Metal or GPU-accelerated image processing. • - Experience in consumer social, gaming, creative tools, or another real-time mobile product.

🏖️ 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