AI Engineer


Pionero was founded in Tokyo by 5 people with a strong passion for technology and solving real-world problems. Our mission is to create a happier future for people. At Pionero, we believe that new technologies such as AI and IoT will open a new era, help to free people from risky and tedious jobs, increase the quality of life and make people happier.

In the near future, we want to become a pioneering digital transformation (DX) company. We will continuously innovate, go beyond the limits, and help customers by connecting state-of-the-art technologies with their businesses to create new values for society.



Workplace: 315 Truong Chinh, Thanh Xuan, Ha Noi
If you are interested in a young and fast-growing company, please check the job description below.


As an AI Engineer, you will help us convert a practical problem into a data science problem, clean and analyze data, build models, and deploy PoC (proof of concept) for our Japanese clients.

  • Work with Project Manager and Tech Lead to understand system requirements
  • Research new technologies and share knowledge with the team through written materials as well as presentations
  • Crawl, analyze, process data, and propose data labeling options if necessary
  • Integrate 3rd-party services such as ChatGPT, Google/Amazon/Azure AI services,  Stable Diffusion…
  • Evaluate and fine-tune open-source models like Whisper,  Tesseract…
  • Implement Machine Learning algorithms if needed, evaluate and interpret results
  • Integrate your AI module with the system by writing API or embedding the models to edge devices
  • Implement a simple user interface (web/mobile app) to make your work visible
  • Set up the data pipeline and deploy to production (AWS, GCP) if needed


  • At least 6 months – 2 years of experience in AI development
  • Proficient in Python programming and using libraries like Pandas, scikit-learn, OpenCV
  • Good at math and algorithmic data structure
  • Understanding basic machine learning algorithms
  • Experience in using software development tools like git, docker
  • Good ability to read English documents
  • Experience in specific fields: image processing, NLP, speech processing
  • Understanding and using Deep Learning frameworks: TensorFlow, PyTorch
  • Experience in prompt engineering
  • Experience in backend development
  • Experience with operating AI systems on  the cloud (AWS/GCP)
  • Ability to write English documents coherently


  • Working environment:
    • Professional working environment, openness, promotion of learning
    • Working with colleagues who have growth mindsets and desire to contribute to society
    • Respecting your own opinions
    • Tech talk and soft skills training every week
    • Flexible working hours
    • Chance to go onsite in Japan
  • Personal development
    • 1-on-1 with your direct manager regularly
    • The training program is close to the level of the staff
    • Setting short-term and long-term personal goals
    • Opportunity to talk with world-class engineers through monthly company meetups
  • Benefits
    • Attractive salary based on your performance
    • 2 months probation with 100% of gross salary
    • 13th-month salary
    • 12 days of paid leave annually
    • Personal computer after probation
    • Salary review: twice a year


Phone number: 0941 302 662

Apply Before





English, Vietnamese




Ha Noi

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