Senior Software Engineer, Mobile Video Performance and Architecture (Multiple Positions)

Responsibilities

About ByteDance
Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok, Helo, and Resso, as well as platforms specific to the China market, including Toutiao, Douyin, and Xigua, ByteDance has made it easier and more fun for people to connect with, consume, and create content.


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

About the Team
Our team plays a crucial role in ensuring the company’s success. We seek people who are willing to learn and put in the effort to solve problems. Our challenges are not your regular day-to-day problems - you’ll be part of a team that’s developing new solutions to new challenges. It’s working fast, at scale, and we’re making a difference. We are looking for talents to join us on this exciting journey!


Responsibilities
- Develop new video features of camera operation and video recording, and integrate the latest iOS or Android camera features into our company's video creation software stack.
- Develop new video features of video and audio editing, enrich the technical capabilities of our video creation software stack, and work closely with codec, audio, and music algorithm teams.
- Profile and optimize camera performance, reduce camera startup latency, increase the frame-per-second metric of capturing and preview for various video creation use cases and tens of thousands of different mobile devices.
- Profile and optimize camera video quality and improve the capturing resolution, color contrast, and video fidelity.
- Perform on-call duty for resolving video compilation bugs discovered in regression tests in a timely manner.
- Follow the company's rigorous software development workflow, including architecture design, self-testing, functional test, regression test, grey scale release, A/B experiment, and online
- deployment.
- Resolve legacy bugs and user-reported issues in the video creation stack, and work closely with QA to reproduce, analyze, develop patches, and design verifications.
- Collaborate with industrial partners to turn the mobile industry's latest mobile audio/video processing capabilities into the best user-generated-content creator experience.
- Participate in the team's R&D roadmap planning and team building, including interviewing candidates and mentoring junior members.

Qualifications

Qualifications
Must have a Master's degree in Computer Science, Engineering (any), Information Technology, Mathematics, or a related field, and 2 years of related work experience.

Of the required experience, must have 2 years of experience in each of the following:
- C++ programming;
- iOS or Android development;
- Multi-threading, data structures, and design pattern;
- Performance monitoring, profiling, and optimization for mobile apps, including optimization of CPU/GPU/memory usage and power consumption;
- Video data processing including color space conversion, up/down sampling, video encoding, and video decoding; and
- Utilizing at least one of the following software frameworks: FFmpeg, OpenGL, AVFoundation, or VideoToolBox.

Type: Full time, 40 hours/week
Location: San Jose, CA
Salary Range: $194000 - $355000 per year

To Apply, click the apply button below. Contact lpresumes@bytedance.com if you have difficulty submitting resume through the website.

ByteDance Inc. 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 Bytedance, 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.

ByteDance Inc. is committed to providing reasonable accommodations in our recruitment processes for candidates with disabilities, pregnancy, sincerely held religious beliefs or other reasons protected by applicable laws. If you need assistance or a reasonable accommodation, please reach out to us at lpresumes@bytedance.com.

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