Algorithm Engineer - Audio Understanding

TikTok; Singapore; On-site; SGD 120,000 - 170,000; Full time

Job summary

TikTok is seeking a research-oriented engineer in Singapore to advance speech and audio understanding across products. You will contribute to voice interaction, improve speech recognition in varied business contexts, and drive core audio-understanding systems with state-of-the-art algorithms.

The role emphasizes hands-on deep learning work, proficiency in C++ and Python, and collaboration across teams to deliver high-impact results.

Qualifications

• Bachelor's degree or above in CS/Software Engineering or related field.
• Familiar with speech recognition, audio understanding, and voice interaction algorithms with hands-on data-driven optimization.
• Deep learning and LLM tech understanding; familiar with PyTorch.
• Strong coding skills; Linux development environment; proficient in C++ and Python.
• Ability to work independently while maintaining teamwork.

Responsibilities

• Support the full-duplex voice interaction technology in practical applications and conduct cutting-edge research in voice interaction.
• Support implementation of speech recognition in diverse business scenarios and optimize core speech recognition technologies.
• Build the core technology system for audio understanding, focusing on cutting-edge algorithms and performance.

Skills

Speech recognition

Audio understanding

C++

Python

Deep learning

PyTorch

Linux

Independent work

Education

Bachelor's degree or above in CS/Software Eng or related fields

Tools

Linux

Job description

Responsibilities

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!

• 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.

Qualifications

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.

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.