Software Engineer (Trading System Development)

  • Tokyo
  • Partial Remote
  • Full-time
  • August 13, 2025
Conditions
yen-icon
¥7M ~ ¥8M /yr
location-icon
Apply from Japan Only
visa-icon
No relocation to Japan
(No visa sponsorship from overseas)
Requirements
language-icon
Language Requirements
Japanese: Business Level
English: Conversational
career-icon
Minimum Experience
Junior or above

Overview:

Our subsidiary, TakaTrade Inc., currently provides a trading system specialized in commodity CFDs. We plan to expand our product lineup to include a wider range of financial instruments such as index CFDs, equity CFDs, crypto asset CFDs, and FX. To achieve this, enhancing system functionality and performance is an urgent priority. We are seeking to expand our engineering team, primarily focusing on backend development, to support product expansion and improve the user experience.

 

You will:

  • Develop, enhance, and maintain trading systems for various financial products, primarily commodity CFDs
  • Design and refactor system architecture to support product expansion
  • Design and implement high-speed, highly reliable order processing and execution systems
  • Develop real-time market data acquisition and distribution systems
  • Design and develop APIs (REST / WebSocket)
  • Process and optimize large-scale trading data
  • Collaborate with infrastructure and security teams to ensure stability and security
  • Contribute to process improvements, code reviews, and technology selection

 

Requirements:

  • 3+ years of experience in financial systems development or large-scale transaction processing systems
  • Proficiency in Java, C++, Go, or equivalent programming languages
  • Experience in designing and operating RDBMS (MySQL, PostgreSQL, etc.)
  • Knowledge of multithreading and asynchronous processing
  • Experience in collaborative development using Git

 

Preferred Skills & Experience:

  • Experience developing trading systems for commodity CFDs, securities, FX, or crypto assets
  • Experience designing and optimizing high-frequency trading (HFT) or low-latency systems
  • Experience in cloud environments such as AWS or GCP
  • Basic understanding of financial regulations (Financial Instruments and Exchange Act, Payment Services Act, etc.)
  • Experience with container technologies such as Docker, Kubernetes
  • Experience building DevOps and CI/CD environments

 

What We’re Looking For :

  • Maintains high quality standards and security awareness, with a strong sense of responsibility
  • Values speed, accuracy, and stability in financial systems
  • Communicates effectively within and across teams
  • Proactively learns new technologies and proposes improvements to systems
  • Willing to engage in operational improvements and understand business processes in addition to development
  • Capable of learning financial trading domain knowledge and applying it to improve specifications and add features
  • Flexible and adaptable in a small-team environment, unconstrained by strict role definitions

 

募集概要

子会社のTakaTrade株式会社では、商品CFDに特化した取引システムを提供しています。今後は、より多様な金融商品(株価指数CFD、株式CFD、暗号資産CFD、FXなど)を取扱うため、システムの機能拡張やパフォーマンス向上が急務です。取扱商品の拡大とユーザー体験の向上を実現するため、バックエンド開発を中心に担うエンジニアを増員募集します。

 

業務内容

  • 金融取引システム(商品CFDを中心とした各種金融商品)の新規開発・機能改善・保守運用
  • 取扱商品の拡大に伴うシステム設計・アーキテクチャ改修
  • 高速・高信頼な注文処理や約定システムの設計・実装
  • リアルタイムマーケットデータの取得・配信システム開発
  • API(REST / WebSocket 等)の設計・開発
  • 大規模取引データの処理・最適化
  • インフラ・セキュリティチームとの連携による安定稼働・セキュリティ強化
  • 開発プロセス改善、コードレビュー、技術選定への参画

 

応募要件

  • 金融系システム、または大規模トランザクション処理システムの開発経験(3年以上目安)
  • Java、C++、Go、または類似言語での開発経験
  • RDBMS(MySQL、PostgreSQL等)の設計・運用経験
  • マルチスレッド・非同期処理に関する知識
  • Gitを用いたチーム開発経験

 

歓迎スキル・経験

  • 商品CFD、証券、FX、暗号資産などの金融取引システムの開発経験
  • 高頻度取引(HFT)、低レイテンシシステムの設計・最適化経験
  • AWSやGCP等クラウド環境での開発・運用経験
  • 金融規制(金融商品取引法、資金決済法等)に関する基礎知識
  • Docker、Kubernetes等コンテナ技術の利用経験
  • DevOps、CI/CD環境構築経験

 

このポジションで活躍できる方

  • 高い品質基準とセキュリティ意識を持ち、責任感を持って業務に取り組める方
  • 金融システムのスピード・正確性・安定性を重視できる方
  • チーム内外での円滑なコミュニケーションができる方
  • 新しい技術を積極的に学び、システム改善に提案できる方
  • 開発だけでなく、業務面の理解や運用改善にも積極的に関わる意欲がある方
  • 金融取引のドメイン知識を習得しながら、仕様改善・機能追加に反映できる方
  • 少人数体制のため、役割に縛られず柔軟に動ける方

PostPrime is a platform that emphasizes content regarding money, investing, economy, and other topics.

On PostPrime, users can learn from experts through live streams, video, audio, and other types of content. They can also use key functions that are built to help them increase their wealth.

PostPrime provides notifications, chart/sentiment indicators and various machine learning AI tools that assist users in navigating the market through data-driven insights.

Expanding on their vision, TakaTrade was established in October 2024 as a wholly owned subsidiary of PostPrime.

TakaTrade is set to deliver a next-generation platform for commodity futures trading in Japan.

As one of the first companies to emerge from a social media origin and enter the regulated financial space, TakaTrade combines advanced technology, intuitive design, and trusted regulatory compliance to empower both individuals and institutions with access to new trading opportunities.

View PostPrime's company page

↑ Back to top ↑

Software Engineer (Trading System Development) at PostPrime
APPLY NOW  ➜🇯🇵 Residents Only