Happy Elements
Posted 2mo ago

Machine Learning Engineer

Happy Elements
Beijing, Beijing, China
OnsiteFull Time
Responsibilities
  • build models
  • design models
  • improve pipelines
Requirements
  • MS in Computer Science or Machine Learning with 2+ years of industry experience or PhD with 1+ years
  • Expert in Python, Scikit-learn, TensorFlow
  • Strong data modeling
  • SQL
  • Cloud experience a plus
Technical tools mentioned
PythonScikit-learnTensorFlowNumPyPandasSQLCloud computing

Job description

Machine Learning Engineer


Full-time
Responsibilities
  • Build, maintain, and improve efficient and reliable data mining and machine learning models.
  • Design, implement and tune machine learning models, and provide performance feedback.
  • Work closely with data engineers to adapt and improve data pipelines for production models.
  • Work closely with software engineers in putting models into production (interface, SLA, scalability).Qualifications
  • Strong academic background required. MS in Computer Science or Machine Learning with 2+ years of industry experience or PhD in related field with 1+ years of industry experience required.
  • Expert in Python, and computation graph toolkits (e.g., Scikit-learn, Tensorflow). Solid experience with Python packages such as Numpy, Panda, and Scikit-learn. 
  • Expert/Master in common families of machine learning models, feature engineering, feature selection techniques, and tuning of machine learning models. 
  • Master with SQL or other relational database.
  • Master in building and productionizing end-to-end machine learning systems. 
  • Knowledge and experience in cloud computing is a plus. 
  • Extensive data modeling and data architecture skills.
  • Advanced math skills (linear algebra, Bayesian statistics, group theory). 
  • Ability to consistently exercise independent discretion and judgment on significant matters.
  • Strong analytical, problem-solving and communication skills.
  •  Ability to work in a team environment

About Happy Elements

Developer and operator of mobile games and digital entertainment content.

Year founded
2009
Employees
1600
Organization type
Private
Latest investment
Series B (2011)
Headquarters
CN

Similar jobs

Machine Learning Engineer roles near Beijing, Beijing
16h
Save
Mark Applied
Hide
Senior Machine Learning Engineer, MLE
Beijing, Beijing, China
OnsiteFull Time
Grab
GrabNASDAQ: GRAB: Superapp providing transportation, food delivery, and digital financial services.
2+ YOERequires 2+ years in machine learning engineering, strong algorithms and data structures, large-scale microservices, production batch and real-time pipelines, evaluation metrics, and willingness to work in Golang.
Golang, Kafka, Flink, Spark Streaming, RAG, AWS, Microsoft Azure
2d
Save
Mark Applied
Hide
Staff Machine Learning Engineer
Beijing or China
RemoteFull Time
BJAK
BJAK: Online platform for insurance comparison and road tax renewal.
Experience shipping real ML systems, working with large models, writing production-grade code, and owning scalable training, inference, evaluation, and deployment systems.
Python, PyTorch, JAX, GPU, LoRA, QLoRA, SFT, DPO
3d
Save
Mark Applied
Hide
算法工程师(大模型) - TikTok研发
Shanghai or Beijing or Hangzhou or Guangzhou or Shenzhen
OnsiteFull Time
ByteDance
ByteDance: Developing AI-driven content platforms and mobile applications.
Requires strong coding, data structures, algorithms, and machine learning expertise; proficiency in C/C++ or Python; experience with large language models, agents, or related AI methods.
C, C++, Python, SFT, DPO, PPO, GRPO, NeurIPS, ICML, ICLR, ACL, EMNLP, CVPR, ICCV, KDD, WWW
4d
Save
Mark Applied
Hide
算法工程师-大模型后训练 (Post-training)
Beijing or Hangzhou or Shanghai
RemoteFull Time
Alibaba Group
Alibaba GroupNYSE: BABA: Global technology specializing in e-commerce and cloud computing.
Deep understanding of large-model post-training, data construction, reinforcement learning, Python, PyTorch, and LLM frameworks such as vLLM and verl; strong research, engineering, and collaboration skills.
Python, PyTorch, vLLM, verl, Claude Code, Hermes, Claw, CI
4d
Save
Mark Applied
Hide
下一代大模型智能体框架与数据技术-阿里星
Beijing or Hangzhou or Shanghai
OnsiteFull Time
Alibaba
AlibabaNYSE: BABA: Provides online marketplaces, cloud computing, and digital payment services.
Recent PhD or top master's graduate in computer science, AI, mathematics, or related field; expertise in LLMs, reinforcement learning, agents, data processing, and large-scale model or data engineering.
PyTorch, NeurIPS, ICML, ICLR, KDD, ACL, VLDB, SIGMOD
4d
Save
Mark Applied
Hide
算法工程师-机器学习
Beijing or Guangzhou or Hangzhou or Shanghai or China
OnsiteFull Time
Alibaba Cloud
Alibaba CloudNYSE: BABA: Global cloud computing infrastructure and services provider
Strong machine learning and deep learning knowledge; excellent engineering ability; proficiency in C/C++, Java, or Python; statistics, logical analysis, learning ability, communication, and teamwork skills.
C, C++, Java, Python, Linux, KDDCUP, ImageNet, MSCOCO, ICDAR
6d
Save
Mark Applied
Hide
算法-机器学习方向
Shenzhen or Beijing or Shanghai or Guangzhou or Chengdu
OnsiteFull Time
Tencent
TencentHong Kong Stock Exchange: 0700: Multinational technology conglomerate providing internet and entertainment services.
PhD or excellent master's degree in a relevant technical field; strong machine learning, deep learning, reinforcement learning, probability, statistics, and optimization knowledge; proficiency in C/C++, Java, or Python.
C, C++, Java, Python, Spark, XGBoost, Caffe, TensorFlow
1w
Save
Mark Applied
Hide
Staff Machine Learning Engineer - Moloco Commerce Media
Menlo Park or Seattle or New York City or San Francisco or Seoul or Beijing or Singapore or Gurgaon or Tokyo or Shanghai or London or Tel Aviv or Berlin
$232k-$348k/yr OnsiteFull Time
Moloco
Moloco: AI-powered programmatic advertising and commerce media platform.
8+ YOERequires 8–12 years in applied machine learning or ML engineering, production model experience, Python, modern ML frameworks, experimentation, distributed systems, and technical leadership.
Python, PyTorch, TensorFlow, JAX, feature stores, distributed training, large-scale data processing frameworks, MLOps, A/B testing, transformer-based architectures