Algorithm Engineer - Audio Understanding

BYTEDANCE PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

TikTok Singapore is seeking a talented Speech & Audio Research Engineer to advance voice interaction technologies within our speech team. You will contribute to speech recognition and audio understanding across diverse product scenarios.

The role centers on building core systems, researching cutting-edge algorithms, and applying deep learning and LLM techniques with PyTorch in Linux environments. Strong coding in C++ and Python is essential, with an independent yet collaborative work style.

Qualifications

• Bachelor's degree or above in Computer Science, Software Engineering or related field.
• Hands-on optimization of models using large-scale data.
• Strong knowledge of deep learning and LLM technologies.
• Proficient in C++ and Python; comfortable in Linux development.
• Ability to work independently and in a team.

Responsibilities

• Support full-duplex voice interaction technology in practical applications.
• Assist in implementing speech recognition across diverse business scenarios and optimize core technologies.
• Build core systems for audio understanding and explore cutting-edge algorithms.

Skills

Speech recognition

Audio understanding

Deep learning

C++

Python

LLM technologies

Education

Bachelor's degree or above in Computer Science, Software Engineering or related fields

Tools

PyTorch

Linux

Job description

About TikTok

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 we also have offices in New York City, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

Why Join Us

Inspiring creativity is at the core of TikTok's mission. Our innovative product is built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and bring joy - a mission we work towards every day.

We strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. Every challenge is an opportunity to learn and innovate as one team. We're resilient and embrace challenges as they come. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our company, and our users. When we create and grow together, the possibilities are limitless. Join us.

Diversity & Inclusion

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.

About the Team

The speech team's mission is to empower content understanding, interaction and creation across TikTok and other products using speech & audio related technologies. We focus on cutting‑edge R&D in areas like speech & audio, music processing, natural language understanding and multimodal deep learning. We are looking for top talents to work on these exciting technologies, integrate them into various TikTok and other products and ultimately bring joy to our global user base!

Responsibilities

• 1. support the full-duplex voice interaction technology in practical applications, and conduct cutting-edge research in the application of voice interaction;
• 2. Support the implementation of speech recognition technology in diverse business scenarios both inside and outside the company, and continuously optimize the performance of core speech recognition technologies;
• 3. Build the core technology system for audio understanding, focus on cutting-edge technologies and algorithm performance in audio understanding, and pursue and explore the most cutting-edge algorithms in the industry.

Minimum Qualifications

• 1. Bachelor's degree or above, with majors in Computer Science, Software Engineering or related fields are preferred;
• 2. Familiar with speech recognition, audio understanding, and voice interaction algorithms, with hands‑on experience in optimizing models using large-scale data;
• 3. In-depth understanding and practical experience in deep learning and LLM technologies, familiar with platforms such as PyTorch;
• 4. Strong coding skills, familiar with Linux development environment, proficient in C++ and Python programming languages;
• 5. Ability to work independently while maintaining good teamwork and interpersonal relationships.

Preferred Qualifications

• 1. Published papers in relevant international conferences or mainstream journals (ICASSP, Interspeech, ASRU, IEEE/ACM Transactions, etc.);
• 2. Top international rankings in speech-related competitions or machine learning competitions, or awards in programming competitions such as ACM/NOI/IOI/TopCoder;
• 3. Participation in influential open-source projects;
• 4. Excellent communication skills, strong sense of ownership, organizational and coordination abilities, optimistic and self-reflective.