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JD Finatextホールディングス 223.AIソフトウェアエンジニア / FDE

• 株式会社Finatextホールディングス ​223.AIソフトウェアエンジニア / FDE

Career Opportunity for a HRIS Technical Leader / Manager in Japan!

■ HRIS Technical Leader / Manager

■ Company Overview

An e-commerce, fintech, digital content and communications company with more than 30,000 employees, and operations in 30 countries and regions.

■ Your Role and Responsibilities 

● As a member of the regional and global HRIS teams, you will support the global and group HR teams. You will formulate and propose solutions based on stakeholder requirements—delivering appropriate technical and business solutions—to achieve overall HR and HRIS goals and objectives.

● You will focus on understanding customer needs, evaluating and proposing Workday solutions, and formulating and rolling out appropriate business and operational strategies to achieve overall HR and HRIS goals.

● Responsibilities include providing guidance and mentorship on operations-based projects and solutions, as well as coaching less experienced HRIS team members. 

● You will research, analyze, and propose various Workday module-based operational solutions and strategic initiatives. 

● You will be responsible for delivering high-quality results while ensuring compliance with data security, privacy requirements, and IT general controls.

● Deliver optimized Workday solutions leveraging experience in implementation, design, and operations.

● Evaluate the architecture of currently implemented systems and business processes; collaborate with leadership, functional resources, and technical resources to propose improvements, solutions, and strategies.

● Apply frameworks and methodologies to develop, enhance, and maintain established service design procedures and processes.

● Provide professional guidance and mentorship to HRIS staff; enable technical delivery teams to provide efficient, effective solutions that support goals and objectives.

● Prepare and deliver technical presentations and briefings.

● Guide the consistent use of internal tools for ticketing and configuration management.

■ Experience and Qualifications

● Experience in the implementation, operation, and optimization of HR management systems or other ERP (enterprise resource planning) software packages.

● Business-level proficiency in both English and Japanese.

■ Additional Preferred Qualifications

● Experience with global HR systems (e.g., Workday, SAP SuccessFactors, Oracle HCM Cloud, COMPANY).

● Experience working in a global company.

● Project management skills to facilitate smooth communication with stakeholders and drive projects consistently from requirements definition through implementation to adoption.

● Ability to leverage systems not merely as tools, but to drive improvements and efficiencies across entire business processes.

● Comfortable communicating in English in a professional setting.

■ Good Reasons to Join

● Work with International team members

● Language: English only position

■ Work Location

Tokyo, Japan
 

Details will be provided during the meeting.

Career Opportunity for a Research Engineer: HCI in Japan!

■ Research Engineer: (Human-Computer Interaction)

■ Company Overview

Japan-based AI technology company developing advanced large-scale language models and next-generation AI platforms, focused on delivering innovative AI-driven products and competing with leading global AI players.

■ Your Role and Responsibilities 

● Development and evaluation of interactive systems utilizing generative AI models 

● Proof-of-concept testing and business application of developed systems 

● Contributing to our own products as an HCI expert

Conducting user experiments to evaluate generative AI products 

● Development of demonstration experiment systems 

● Returning the obtained results to business and leading the industry in HCI research x generative AI through papers, patents, and external presentations.

■ Experience and Qualifications

● Strong motivation and knowledge in the field of HCI-generated AI 

● Expertise in one of the following: HCI/frontend development/backend development/system operation/computer graphics/computer vision/machine learning 

● High coding ability (Python required) 

● Master's degree in information science or a similar field, or equivalent experience

■ Additional Preferred Qualifications

● Research Engineer - Experience in continuous development participation in open source communities 

● Experience in developing and operating systems as part of a team, from proof-of-concept to production deployment 

● Experience presenting at international conferences in the HCI field

● Research Scientist; experience presenting papers at top international conferences such as HCI/CV/ML/Multimedia

● experience working in teams using software development platforms such as GitHub

● PhD in information science or a related field.

■ Good Reasons to Join

● Opportunity to work on advanced AI technologies and large-scale machine learning systems

■ Work Location

Tokyo, Japan
 

Details will be provided during the meeting.

Career Opportunity for a Linux System Administrator in Japan!

■ Linux System Administrator

■ Company Overview

A leading Japan-headquartered global financial services organization with a strong presence across Asia, Europe, and the Americas. The company is known for its long-standing market reputation and is currently investing heavily in technology modernization, cloud platforms, and backend engineering to support mission-critical global systems.

■ Your Role and Responsibilities 

● Collaborate closely with High Frequency Trading Systems development, project managers, and support teams. Deliver creative solutions and implement them within short, aggressive timeframes. 

● Engage confidently and directly with the High Frequency Trading desk on a variety of client-related needs. Occasionally required to join client calls to communicate with clients and translate their requirements into practical designs and solutions for the COLO data center.

● Participate in, and lead when required, new exchange connectivity build-out projects. Though infrequent, these projects require focused execution under tight deadlines.

● Operate independently and with team members across diverse locations, including Greater Asia, Europe, and the USA.

● Take responsibility for systems availability and smooth operations, including troubleshooting, incident investigation, emergency escalation, and root-cause analysis.

● Perform system administration tasks such as software installation and configuration, patching, system monitoring, performance tuning, capacity planning, and disaster recovery drills.

● Work with the Cross Platform Engineering team to deliver solutions: define operational requirements, negotiate schedules, and drive the implementation of engineered solutions.

● Execute system changes following company policies and change management procedures: collect requirements, propose changes, assess impacts, conduct non-production testing, present at Change Management meetings, obtain approvals, deploy to production, and perform post-change

validation.

● Understand, negotiate, and address IT security, audit, compliance, and regulatory requirements. Ensure systems and services adhere to approved standards.

● Submit and track support cases, and drive vendors to provide solutions, fixes, and reports.

● Create and maintain technical documentation of system architecture, operational procedures, and runbooks.

■ Experience and Qualifications

● Technical Skills / Experience

[UNIX]

● In-depth knowledge of Enterprise RedHat Linux (RHEL) version 8 and above on bare metal.

● Solid experience in latency optimization, capacity planning, and computational tuning of RHEL on bare metal.

● Scripting experience in one or more of: shell, Python, Perl, Ansible.

● Practical experience with UNIX core services (e.g., LDAP authentication, Kerberos, Ansible Tower).

● Understanding and experience with DevOps and telemetry tools.

● More than 5 years’ UNIX support experience.

[Core Infrastructure]

● Strong understanding of high-performance computing using HPE servers or equivalent, including BIOS tuning and firmware options for low-latency networking.

● Familiarity with high-performance networking hardware/software stacks such as Solarflare, Onload, PTP, or similar.

● Hands-on experience with time-server technologies (for example, Meinberg receivers and GPS or equivalent).

● Familiarity with DNS/DHCP and Bluecat management software or comparable tools.

● Good knowledge of network firewalls.

■ Additional Preferred Qualifications

● Experience working in an organization with a global infrastructure and cross regional teams.

● Commitment to Site Reliability Engineering (SRE) principles standardization and automation.

● High vigilance regarding IT governance and IT security.

● Good understanding of AutoSys software or equivalent scheduling tools.

● Knowledge of Tibco RV or similar middleware messaging software.

[Language]

● Fluent English with strong communication skills.

■ Good Reasons to Join

● Collaborate with international teams across Japan, Asia, Europe, and the U.S.

■ Work Location

Tokyo, Japan
 

Details will be provided during the meeting.

Career Opportunity for a Full-Stack Application Developer in Japan!

■ Full-Stack Application Developer

■ Company Overview

A leading Japan-headquartered global financial services organization with a strong presence across Asia, Europe, and the Americas. The company is known for its long-standing market reputation and is currently investing heavily in technology modernization, cloud platforms, and backend engineering to support mission-critical global systems.

■ Your Role and Responsibilities 

● Interfacing with stakeholders business requirements and documenting them on a timely basis.

● Design and develop system architecture, and Constructing and maintaining the CI/CD pipeline.

● Plan and manage testing of system implementations by acting as accountable owner for managing test cases and representing the team for test cycle reviews such as for SIT/E2E/UAT.

● Collaboration with partner technology departments such as front and middle office, settlement systems, reference data, infrastructure, and other core IT counterparties.

● As a development lead, apply project management duties to ensure project delivery as per program schedules; determining and reporting delivery milestones

● Full hands on coding abilities and act as gatekeeper in code reviews.

■ Experience and Qualifications

● Applicants must meet one of the following requirements:

● Native-level Japanese proficiency, with a willingness to acquire business-level English proficiency (currently holding a TOEIC score of 600 or above), or

● Native-level English proficiency, with a willingness to acquire business-level Japanese proficiency (currently holding JLPT N3 or above)

● Minimum of 3 years’ experience in general purpose programming languages in Linux.

● Strong understanding of the Java Open Source Application Framework (like Spring framework).

● Solid experience and understanding of DevOps tools like GIT, Jenkins, SonarQube, etc.

● Strong oral and written communications to both technical and non-technical audiences

● A strong motivation to proactively and continuously learn new technologies, such as generative AI and cloud-native technologies

■ Additional Preferred Qualifications

● More than 3 years of industry experience in hands-on development within the securities trading environment with solid understanding of the trade lifecycle for products such as equities, fixed income, and derivatives.

● Understanding or experience in cloud native technologies such as Docker and Kubernetes.

● Experience in development utilizing generative AI.

● Ability in database/stored procedure design and management

● JSDA (Japan Securities Dealers Association) Sales Representative Qualification

● ICM (Internal Control Manager)

■ Good Reasons to Join

● Work with a global team, solve complex technology challenges, and grow your career in financial technology.

■ Work Location

Tokyo, Japan
 

Details will be provided during the meeting.

Career Opportunity for a Core Java Trading Platform Engineer in Japan!

■ Core Java Trading Platform Engineer

■ Company Overview

A leading Japan-headquartered global financial services organization with a strong presence across Asia, Europe, and the Americas. The company is known for its long-standing market reputation and is currently investing heavily in technology modernization, cloud platforms, and backend engineering to support mission-critical global systems.

■ Your Role and Responsibilities 

● Develop large, complex Latency Sensitive Trading Product Suite. Optimize performance for low latency, high-throughput processing

● Build execution gateways and interfaces to multiple exchanges and dark pools. Implement fault-tolerant systems and robust recovery mechanisms. Conduct profiling, benchmarking, and tuning JVM/GC/networking performance

● Understand the existing business functions and participate in defining new solutions that meet business objectives.

● Work with the product team, stakeholders and end-users for contribution towards requirement discovery and project prioritization.

● Design and develop high-quality software deliveries within the committed deadlines.

● Willing to work and contribute across entire SDLC－including dev, testing and support. Collaborate with various development, QA and support teams across different regions

● L3 support－quick support resolution of production and user issues, application testing and maintenance releases.

Interface with other support teams, global internal and external clients related to support, use and output of the products. As part of global team, act as key contact point for queries of both technical and functional nature.

● Contribute towards establishing software delivery best practices. Collaborate on architecture, design decisions, and code reviews  

■ Experience and Qualifications

● Degree holder in Information Technology or equivalent

● Ability to exhibit high level of professionalism in team oriented environment.

● Team player that can work with people across different departments, countries and regions.

● Language proficiency: Fluency in English and some Japanese preferable.

● Very detail oriented with excellent analytical skills

● Highly proactive and takes initiative to identify problem areas and evolve solutions.

● Excellent technical skills in:

Core Java

High performance messaging

Multi-threading, memory management

Networking (TCP/UDP)

Performance optimization

Gitlab CI－Continuous Integration

● Experience of Trading System Development and/or Complex Event Processing

● Deep understanding of multithreading, NIO, concurrency, lock-free data structures, and GC tuning

● Understanding of memory management, multi-threading - concurrency and synchronization.

● Experience with memory-mapped files, off-heap storage, or zero-copy I/O

■ Additional Preferred Qualifications

● Good knowledge of Equities Trading platforms

● Experience in the Equity space (experience in algorithmic trading space is a plus).

● Knowledge on FIX protocol

● Experience with Solace middleware is a plus

■ Good Reasons to Join

● Work on impactful technology solutions within a leading global financial services organization and grow your expertise in a dynamic international environment.

■ Work Location

Tokyo, Japan
 

Details will be provided during the meeting.

PPCD Platform Engineer (V4)

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PPCD Senior Backend Engineer (V4)

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