PostPrime | Machine Learning Engineer


AI Engineer (ML/AI Product)

    Machine Learning Engineer|PostPrime
    Machine Learning Engineer|PostPrime

Job Summary


Japan, Tokyo
Apply from Anywhere

Language requirements

English: Business
Japanese: Not required

Key skills

  • Keras
  • TensorFlow
  • PyTorch

Job Description

Job role

Machine Learning Engineer

Job description

PostPrime ( is a Japanese social networking service (SNS) operated by PostPrime Inc.

Our AI Engineer will develop key features of PostPrime's ML/AI Product

Engineers interested in developing PostPrime and who have extensive experience or interest in ML/AI Product development are welcome to apply.
If you can handle a development environment where development requirements and features change dynamically and quickly, able to reduce them to detailed implementation requirements, and able to absorb and develop new technologies and systems quickly, we look forward to hearing from you.

- Automatic generation of AI characters that speak, based on style and other conditions
- Control facial expressions and body movements according to the content of speech

Required skills and experiences

Basic qualifications

- Experience in research and development of image processing using deep learning
- Experience in selecting, constructing, and evaluating training data
- Experience with one or more libraries such as PyTorch, TensorFlow, Keras, Jax, etc.
- Ability to communicate in Japanese or English

Preferred qualifications

- Able to follow relevant research and propose and implement ideas appropriately
- Experience in development from PoC to productization
- Experience in weight reduction and speed-up while maintaining model performance

Development environment

- Development Language: Python
- Libraries/Frameworks: PyTorch, TensorFlow, Keras, Jax
- Databases: **MySQL**/Aurora, Redis, ElasticSearch, BigQuery, DynamoDB
- Version control: **Git**.
- Development Flow: Github flow
- Execution environment: AWS (CDK, S3, CloudFront, RDS, ECS, CloudWatch, Route53, Fargate, Kinesis, Batch...), Docker, Firebase, Cloud Dataflow, etc.

Job Details

Employment typeFreelance
Salary descriptionCan be negotiated depending on experience.
Location2-21-1 Shibuya, Shibuya-ku, Tokyo
Shibuya Hikarie 33F JustCo
Apply fromAnywhere
Remote workRemote(Worldwide)
Working hours9:00am-6:00pm (Flexible working hours)
Holidays・Saturdays, Sundays and holidays
・New Year's Holidays
・Paid vacations
Employee benefitsSocial insurance, medical checkups
Transportation: in principle, all transportation expenses are paid.
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