(URGENT!) Backend Tech Lead - AI/LLM - No Japanese Needed!

TWO POSITIONS - 1 Japanese only + 1 English only. 
Visa sponsorship from abroad is OK.

About the company:

We are currently searching for an experienced Backend Tech Lead to work with a pioneering company developing cutting-edge AI solutions for marketing. 
Their mission is to make marketing accessible, so that great products and businesses can be seen across the world. They have a presence in Japan, growing by 300% year after year, delivered by a team of skilled and passionate engineers.
The AI products being developed are extremely innovative, unique, and exciting projects for a talented Tech Lead to work on.

Who are you?

•    Do you have hands on backend web skills? 
•    Are you passionate about making a positive impact on the world? 
•    Can you lead and empower a team of talented software engineers?

Then this is THE position for you.

Why should you apply?

•    The company is a global company with offices in Japan, Singapore, Vietnam, Indonesia, the USA, and more. This is an exciting chance for cross-cultural collaboration.
•    You will be shaping the next big SaaS line, working to push the boundary of next-gen SFA/CRM products.
•    Mentor a team your way, in one of Japan's fastest growing startup companies. 

This role goes beyond coding — you’ll help solve scaling challenges, guide young engineers, and shape the technical foundations of a product expanding into the enterprise market.
You’ll act as a technical leader (not a people manager), focusing 100% on engineering excellence, architecture decisions, and mentoring.

Requirements:
•    At least 7 years of developing web services using modern frameworks.
•    At least 5 years of backend experience in Python, Ruby, or similar languages.
•    Experience with SaaS development.
•    2+ years of mentoring / technical leadership experience.
•    Skilled in AWS/GCP and both SQL & NoSQL databases.

Desired skills:
•    Team leadership or EM experience
•    Automated testing and CI/CD implementation experience
•    Vietnamese communication skills (for collaboration with offshore teams)