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Research Scientist, Fintech Optimization - Rakuten Institute of Technology Worldwide (RIT)

Tokyo, Japan💼 Full-time🗓 2026-09-29 → 2026-10-01

Core

Design and implement algorithmic solutions for financial markets, trading, and investment problems across Rakuten's fintech ecosystem.

Role type

Senior IC research scientist (fintech optimization)

Builds

Algorithmic solutions for trading and investment

Domain

Fintech, financial markets, trading

Deliverable

production ML models

Required skills

algorithm design, computational complexity analysis, Python, statistics, machine learning, Unix/Linux development, Git, data visualization

Preferred skills

LLMs, AI agents, Rust, Haskell, high-frequency trading, research leadership

Technologies

Python, Git, Unix/Linux, Rust, Haskell

Responsibilities

Define project direction aligning with business needs, design and implement algorithms, evaluate performance, support production adaptation, mentor junior researchers, publish research papers

Seniority

Senior, hands-on IC

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