[JPN Resident Only] Senior Full-stack Software Engineer

Join Visual Alpha to contribute in building the latest technologies to disrupt the investment management industry! We are currently hiring for a Senior Software Engineer to design and implement features on the cloud platform for our clients. 

About Visual Alpha
Visual Alpha is a B2B fintech startup founded in late 2019 in Tokyo, and currently has about 15 people including board directors and advisers. The company is backed by many influential leaders in the finance industry, including many partners, CEOs and presidents of international firms. 

We provide 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. 

Opportunities at Visual Alpha

• Join a fast-growing B2B vertical AI startup transforming productivity across the financial industry

• Join a diverse international team of data science and financial industry experts

• Play a critical role in building a category-defining company in a large, underserved market

The Role

• Independently design and develop full-stack cloud service for enterprise clients

• Build and maintain complex business logic modules and scalable data models

• Collaborate closely with the client support team to ensure stable day-to-day operations

• Ensure code quality through robust unit and integration testing

• Potentially lead and mentor a small team (2–3 members, including interns)

• Typical time allocation: ~20% design, ~80% implementation

A Day in the Life

We work in fast-paced 1–2 week sprints, with a strong emphasis on ownership and end-to-end delivery.

• Start the day by reviewing priorities, messages, and sprint tasks

• Focus on coding, problem-solving, and feature development with a high degree of autonomy

• Collaborate with teammates for design discussions, code reviews, and technical problem-solving

• Submit well-structured pull requests with clear documentation of changes

• Participate in design and planning discussions for upcoming features and longer-term projects

• Work flexibly, with a focus on efficiency and quality over rigid hours

Required Skills

• Strong learning mindset with the ability to become a domain expert in financial data system

• Excellent problem-solving skills with the ability to independently handle complex technical challenges

• High ownership, self-motivated, and able to quickly learn new technologies

• Strong system design, communication, and collaboration skills

• Solid experience in one or more of: C++, Python, PHP, or Rust; willingness to work with or learn Node.js

• Fluent Japanese (N2+) and business level English (conversation in work)

Desired Skills

• Knowledge of accounting, investment management and financial data workflows

• Strong quantitative or mathematical programming skills

• Familiarity with software design patterns and scalable architecture

• Experience building web services and AI-driven systems

Technologies

Node.js, React, PHP (Laravel), Python, SQL, GraphQL, REST APIs, AWS, CircleCI, Git, xUnit