Senior Mobile Software Engineer, Video Performance

1 week ago

San Jose, California, United States TikTok Full time

Senior Mobile Software Engineer, Video Performance
San JoseRegularR&D - ClientJob ID: A80633
Responsibilities
TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and its offices include New York, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

Why Join Us
Creation is the core of TikTok's purpose. Our platform is built to help imaginations thrive. This is doubly true of the teams that make TikTok possible.
Together, we inspire creativity and bring joy - a mission we all believe in and aim towards achieving every day.
To us, every challenge, no matter how difficult, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always.
At TikTok, we create together and grow together. That's how we drive impact - for ourselves, our company, and the communities we serve.
Join us.

About the Team
TikTok's Intelligent Creation Audio/Video (IC-AV) team delivers the core video production technologies across mobile platforms, enabling hundreds of millions of TikTok creators to tell their stories, express their emotions, and convey their knowledge in the format of short-form videos.

We are looking for enthusiastic mobile developers at various levels of experience to work on TikTok's core technologies of video filming and editing. The technical stack covers various camera features, nonlinear editing on mobile devices, UGC creation workflow, and a lot more. In this role, you will optimize the performance of TikTok's next-generation video technologies, collaborate with external mobile SoC/device/service partners, and deliver the best user experience on a huge variety of mobile platforms for TikTok creators around the world.

Responsibilities
1. Develop new video features including but not limited to camera operation, video recording, and video editing to support business requirements from TikTok family of video products.
2. Profile and optimize video performance and video quality, and refine user experience in each and every possible video production workflow for TikTok family of video products.
3. Collaborate with industrial partners to turn the latest mobile audio/video processing capabilities into the best UGC creator experience in the industry.
4. Research on frontier topics that will initiate new cutting-edge performance/quality technologies, such as hardware accelerations, HDR colorspace alignment, advanced camera capabilities.
5. Participate in the IC-AV team's R&D roadmap planning and team building.
Qualifications
Minimum Qualifications
1. Strong written and verbal communication skills and experience working with international teams across different time zones and cultures.
2. Solid coding skills with C/C++/Java/Objective-C or strong capabilities learning new programming languages.
3. Experience with iOS/Android software development. Familiar with multi-threading concurrency, common data structures, and common software design patterns.
4. Open minded, great communication, eager to learn, and always passionate about turning cutting-edge technologies into actual use cases.

Preferred Qualifications
1. Bachelor or above degree in Computer Science or related majors with 3 years of software-development experience.
2. Experience with camera quality tuning & video data processing, including but not limited to camera 3A, stabilization, color space conversion, up/down sampling, video encoding and video decoding.
3. Experience with modern graphics API, such as OpenGL, Metal, Vulkan. Knowledge of rendering pipeline, shader, frame buffer objects.
4. Experience with performance monitoring, profiling and optimization for mobile apps, including but not limited to optimization of CPU/GPU/memory usage and power consumption.
5. Experience with one or more media frameworks a big plus: ffmpeg, AVFoundation, VideoToolBox.
6. Experience with one or more video codecs a big plus: H.264, H.265, etc.

TikTok is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At TikTok, our mission is to inspire creativity and bring joy. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too.

The base salary range for this position in the selected city is $ $355000 annually.

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