Tech Lead, Machine Learning Engineer - Global E-Commerce (Conversational AI)

ByteDance
Singapore
Workplace: OnsiteFull timeFunction: Data Science & Machine LearningEducation: bachelorsSkills: ["Cross-team alignment","Technical leadership","Design review","Code review","1:1 framing"]

Lead the technical roadmap for production Conversational AI agents powering ByteDance’s global e-commerce experiences. Drive efforts across LLM post-training and alignment, agent harness/tools, self-evolving data and evaluation flywheels, and low-latency multilingual inference serving. Write core code and design docs, hire and grow ICs, and partner across foundation-model, infra, and product teams while building tracing and rollback to diagnose regressions quickly.

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FursaFursa
ByteDance
ByteDance
1 month ago

Tech Lead, Machine Learning Engineer - Global E-Commerce (Conversational AI)

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Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 30 days agoStatus: Live
Reposted: similar role first listed 1 month ago

Job Summary

Lead the technical roadmap for production Conversational AI agents powering ByteDance’s global e-commerce experiences. Drive efforts across LLM post-training and alignment, agent harness/tools, self-evolving data and evaluation flywheels, and low-latency multilingual inference serving. Write core code and design docs, hire and grow ICs, and partner across foundation-model, infra, and product teams while building tracing and rollback to diagnose regressions quickly.
Location: Singapore
Workplace: Onsite
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Mid level

Key Responsibilities

  • •Set technical direction by owning a multi-quarter roadmap across post-training, agent harness, evaluation, self-evolving data flywheel, and serving.
  • •Translate north-star metrics into 2–3 high-ROI bets per quarter and ship results.
  • •Hire and develop 1–3 strong ICs; raise the team’s technical bar through design review and code review.
  • •Stay hands-on by writing load-bearing PRs, proposing core abstractions, and authoring design docs for the next 2–3 quarters.
  • •Drive cross-team alignment with foundation-model, infra, product, and adjacent algorithm teams; own sign-off on cross-cutting decisions, including observability/rollback.

Key Requirements

  • •BS/MS/PhD in CS, AI, Mathematics, or a related quantitative field.
  • •Hands-on experience in ML/NLP/applied deep learning.
  • •Strong Python and at least one of C++/Go/Rust for production-path code.
  • •Hands-on post-training or fine-tuning of frontier-class LLMs (≥7B, multi-node), not API-only work.
  • •Led at least one production LLM/Agent system from zero to one.
Experience:Machine learningNLPLLMsConversational AIAgents
Education:Bachelor's
Skills:Cross-team alignmentTechnical leadershipDesign reviewCode review1:1 framing
Tech Stack:PythonC++GoRustMLNLPDeep LearningLLMSFTDPOIPOKTORLHFRLAIFRLVRReward modelingPreference data curationLong-context trainingDistillationQAT

Company Brief

ByteDance
Develops consumer internet and content platforms, including TikTok and other apps for short-form video, news, and entertainment. It also builds advertising, commerce, and creator tools that connect audiences, brands, and publishers across global markets.
Industry: Digital Media
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Established Company
Headquarters: Beijing, China
Founded: 2012
WebsiteLinkedIn