IT分野プログラミング＆開発のItの求人

This role focuses on developing and maintaining Python-based APIs that support large-scale data transfer and orchestration processes across multiple storage and messaging platforms. The position involves working with Django, REST APIs, CI/CD, and DevOps practices to build reliable, high-availability data infrastructure and improve development efficiency.

This role focuses on leading the basic design and development of scalable, secure Java-based applications powering global incentive and payment platforms. You will collaborate across teams to deliver high-performance REST APIs and drive best practices in modern software engineering.

Software Engineer specializing in payment platforms, responsible for designing, developing, and maintaining secure, scalable Java-based payment APIs and microservices. Collaborates with cross-functional teams to deliver high-performance payment solutions, optimize system architecture, and ensure reliability, security, and business alignment.

Join a high-impact engineering team developing large-scale advertising platforms that power a major digital ecosystem. This role offers hands-on ownership across design, development, and deployment while collaborating with global teams.

Lead the design, development, deployment, and reliability of scalable backend systems and microservices across the full software development cycle. Requires strong experience in Java, Kubernetes, Docker, and cloud/distributed environments, with collaboration and mentoring responsibilities.

Join a global, data-driven engineering team building high-performance backend systems that power large-scale advertising platforms. As a Senior Java Engineer, you will lead system design and contribute to scalable, resilient architecture while collaborating across international teams.

Seeking a Senior Server-Side Engineer to lead backend design, development, and operation of scalable applications using Java, Spring Framework, Kafka, and modern cloud-native technologies. The role requires strong expertise in system architecture, database design, CI/CD and Kubernetes, and full software development lifecycle delivery within an Agile environment, with business-level English communication skills.

数億円規模のDX関連システム開発プロジェクトにて、要件定義から設計・開発・運用まで幅広く携わります。

クラウドネイティブ技術やアジャイル開発を活用し、最適なソリューションを顧客に提供します。

Join a fast-paced engineering environment developing incentive and payment systems used across a global digital ecosystem. This role focuses on building scalable, secure backend services using modern Java technologies.

This is a senior-level opportunity to lead the design and development of scalable, customer-facing applications across web and mobile platforms. You will bridge front-end and back-end systems while mentoring engineers and shaping best practices in a high-impact environment.

Senior Java Developer responsible for designing and building secure, scalable applications and RESTful APIs using Java and Spring Boot. The role focuses on system design, database optimization, Docker-based deployments, and collaboration with cross-functional teams to deliver high-quality solutions.

Join a leading e-commerce platform team in Tokyo to design and lead backend systems at massive scale. You will act as a senior technical leader, driving architecture, delivery, and operational excellence across high-traffic services.

This role is for an iOS Developer responsible for building and maintaining mobile applications using Swift and MVVM architecture, integrating REST APIs, and ensuring high performance and reliability. The position involves collaborating with cross-functional teams in an Agile environment to deliver new features and enhancements for personal finance mobile services.

This role focuses on building and managing cost and usage data pipelines for the Enterprise AI platform, enabling accurate cost allocation, chargeback, and financial visibility across engineering and business teams. The ideal candidate has strong SQL/Python, Snowflake/Databricks, and FinOps experience, with the ability to translate cloud cost and reporting requirements into scalable data solutions.

Join a high-performing technology team building and enhancing Java-based applications that support key financial services. This role offers the opportunity to work closely with international stakeholders while developing robust, scalable systems.

企業のAI活用をスケールさせるため、AI Readyなデータ基盤の設計・構築をリードするポジションです。クラウドDWHやELT、モデリングを含むアーキテクチャ策定から品質担保の標準化までを推進し、プロジェクトで得た知見を自社プロダクトにも還元することで、AI時代に求められるデータ活用基盤を技術的卓越で支えます。

This role involves designing, building, and maintaining scalable cloud infrastructure while improving system reliability and deployment efficiency. You will collaborate with cross-functional teams to develop and operate high-performance systems using cloud platforms and modern DevOps practices.

We are looking for a senior Java Engineer with 6+ years of experience to design and build scalable backend systems using technologies including Spring Boot, Kafka, Node.js, SQL, and MongoDB. The role requires strong technical expertise, fluency in English, and ideally experience in the finance domain.

This role offers the opportunity to lead core design and development for a high-traffic payment gateway within a global platform environment. You will act as a hands-on technical leader, driving both system quality and team capability through design excellence and execution.

Join a senior-level role leading the design and enhancement of logistics systems that power both trunk-route and last-mile delivery operations. You will focus on frontend development while collaborating with cross-functional teams to deliver scalable and high-performance applications.

This role is a hands-on Senior iOS Engineer position focused on designing, developing, and improving a large-scale consumer mobile application. You will collaborate across teams to deliver high-quality features while driving best practices in performance, architecture, and scalability.

This role supports the development and operation of ServiceNow-based IRM and TPRM solutions within a large financial services environment. You will collaborate regionally to maintain platform stability, enhance capabilities, and deliver effective risk and compliance tooling.

人工知能分野での最前線に立ち、最新の技術を開発・実装するAI LLMエンジニアを募集しています。技術革新に貢献し、分析部門での重要な役割を果たせる方をお待ちしています。

This role involves leading the design, development, and maintenance of high-quality Android applications using modern tools like Kotlin, Jetpack Compose, and MVVM architecture. It requires full lifecycle ownership-collaborating with cross-functional teams, delivering new features, ensuring performance and reliability, and continuously improving development processes in an Agile environment.

Join a large-scale digital services group to lead the design and development of high-quality Android applications used by millions. You will collaborate across teams to deliver performant, scalable features using modern Android technologies.

Join a growing product team to design and build backend systems powering a newly launched consumer-facing financial service. You will lead core design efforts, working across the full development lifecycle to deliver scalable, high-quality applications used by a large user base.

We are seeking a skilled Java Developer to join a technology-driven team in the business services industry. This position focuses on delivering high-quality solutions to meet client needs.

This role focuses on building and improving web applications using React and Node.js in an agile, cross-functional environment. You will contribute across the full stack, helping design scalable solutions and deliver high-quality user experiences.

Lead the frontend development of a high-traffic affiliate platform used across multiple markets. Partner with cross-functional teams to deliver scalable, high-performance user experiences that directly impact product growth.

A full-stack application engineer with 7+ years of experience designing, building, and maintaining scalable systems while translating business needs into technical solutions. Requires strong expertise in Java or Python, DevOps practices, and cloud platforms (Azure, AWS, or GCP), with the ability to work in agile, cross-functional teams.