Senior Full-Stack Software Engineer

Tokyo, Tokyo, JP April 15, 2026 Full Time

Join Visual Alpha to use the latest technologies to disrupt the investment management industry!

Visual Alpha is a B2B fintech startup based in central Tokyo that provides an innovative SaaS data service to institutional investors and asset managers. We develop our full-stack web applications using the latest JavaScript, PHP, and big data technologies backed by AWS.

We are currently hiring for a senior software engineer role to design and implement features on the cloud platform for our clients.

Opportunity

Work for a fast-growing B2B fintech startup to innovate the investment management process
Join a diverse international team of engineers, data science, and investment experts
Become one of the earliest members of a promising startup

Role

Translate complex client requirements into practical, scalable, and maintainable solutions
Implement front, back, and infrastructure components
Maintain and enhance our existing infrastructure and client-facing components
Communicate with stakeholders regarding project status, challenges, and obstacles
Create unit tests and integration tests to ensure quality

Required Skills

A love of learning and desire to become a domain expert; in our case, you will become an expert in investment data analysis
Self-motivated, client-oriented thinking, ability to learn new technologies quickly
Strong design, presentation, and collaboration skills; must be a strong team player
Knowledge of NodeJS or desire to learn coupled with experience in one of C++, Python, PHP, or Rust
Fluent in English, business-level Japanese (N2+)

Desired Skills

Knowledge of investment management (significant advantage)
Experience implementing various design patterns
Familiarity with xUnit design concepts and patterns
Experience creating web services and/or ETL workflows
Conversational Japanese

Technologies
NodeJS, React, PHP (Laravel), Mysql, GraphQL, Restful API, AWS, CircleCI, Git, xUnit