Working with us

Japannext Co., Ltd. offers an environment where employees are given opportunities to engage in a variety of roles within the company. Our organization is flat, meaning that we are proactive, aggressive, and decisive in making decisions. Our vision is to become the leader in exchange technology establishments, offering innovative products and services to our market participants.

We have a extremely capable and highly motivated team to continuously innovate our systems in order to keep pace with a fast changing marketplace. Our requirements include software developers, database and system administrators, and monitoring personnel – all who ensure the best quality of service for our customers.

We are interested in people who can thrive in a sink or swim type of environment.

If you are interested in working in a challenging environment, send your resume and cover letter to

Current Openings

Network Engineer

An opportunity for a junior to mid-level network engineer to provide top quality network support internally, to our clients and to our partners. Our team is dynamic with plenty of opportunities for learning and growth.

  • Interested in network management and operations
  • Proactive and able to operate with minimal supervision
  • Willing to perform hands-on work
  • Ensure that network problems are investigated, diagnosed and resolved in a timely manner
  • Capable of multi-tasking
  • Strong analytic, time management and people skills
  • Willing to devote time during non-standard work hours (occasional evening and weekend work)
Minimum Qualifications:
  • Bachelor’s degree in a technical field (Computer Science, Physics, Electric Engineering, etc.) or relevant work experience
  • Network vendor certification a plus (CCNA, CCNP, CCIE, etc.)
  • 3+ years in a similar role
  • Strong knowledge of routing and switching
  • Understanding of firewalls and multicast
  • Strong Japanese and English communication skills a must
System Operation

  • Excellent written and verbal communication skills
  • Good command of English and basic Japanese
  • Strong attention to details and organizational skills
  • Team player
  • Ability to manage multiple tasks simultaneously
  • Troubleshooting skills
  • Strong problem-solving skills
  • Excellent client-facing skills
  • Crisis management skills and ability to manage stress under critical situations
  • Desire to learn new technologies
  • Able to work on a 24x5 rotating shift, with occasional weekend support
Essential Duties:
  • Monitor complex production systems/infrastructure and address production issues
  • Ensure smooth running of our trading platform
  • Provide assistance to help customers resolve problems
  • Troubleshoot issues and escalate to responsible teams
  • Participate in daily take-over briefings
Minimum Qualifications:
  • Bachelor’s or advanced degree in engineering
  • Fresh graduates are welcome
  • Familiar with SQL and Linux commands
  • Proficient in spreadsheets, databases and MS Office
  • Knowledge of FIX, OUCH, and similar trading protocols a plus
  • Broad understanding of Japanese financial markets a plus
Database Administrator

We are looking for a mid-level DBA with 5+ years overall IT experience, with 3+ years DBA experience of managing multiple databases in a 24x7 mission-critical production environment. The successful candidate will be one of the central escalation points for database issues and queries, responsible for ensuring database requirements are captured, designed, implemented and upheld.

  • Manage multiple large, mission critical PostgreSQL databases:
    • Installation, patch upgrades, configuration, tuning
    • Backup and recovery
    • Monitoring
    • Troubleshooting
    • Security management
  • Develop and maintain tools to assist with the above tasks
  • Assist developers with schema design, modeling, query optimizations
  • Bachelor's or advanced degree in Engineering
  • Experience with PostgreSQL or any other database
  • SQL proficiency
  • Sufficient experience with Perl, Python, or any other scripting language
  • Comfortable with the Linux command line
  • Good command of English
  • Japanese language is a plus