Application Support Engineer


Fusion Systems is seeking Application Support Engineers to join our growing financial trading technology company, Raptor Financial Technologies. Raptor is a leading ultra-low-latency market access and risk management platform, servicing the world’s largest financial institutions and their high-value order flows. The role is suited to a candidate with strong Linux skills and proficiency in scripting languages, and looking for a hands-on role in application design and development in mission-critical front-office technology. The successful candidate will work alongside a high-caliber team at one of the world’s largest and most innovative investment banks.



  • Improve and develop automated tools.

  • Test and document new and existing software systems.

  • Release new software systems in production.

  • Client on-boarding.

  • Monitor trading systems.

  • Document and follow-up on incidents and bug reports.

  • Communicate with technical teams regarding system and client trading status.

  • Ongoing training and development will be provided to motivated applicants interested in establishing a career in this fast paced and dynamic environment.


Basic Qualifications

  • A minimum of 1-2 years of practical experience in a UNIX environment.

  • Bash experience.

  • Version control tools such as Git, Subversion or Mercurial.

  • Familiarity with Python collections.

  • Strong Python or Perl proficiency.

  • Strong UNIX skills including ability to analyze/parse log files using utilities such as grep, awk, sed.

  • Strong UNIX-based text editor skills such as vi, emacs.

  • Solid understanding of software life-cycle phases including development, testing, release and maintenance.

  • Working knowledge of ticketing and issue tracking systems.

  • A teamwork attitude and ability to maintain a professional demeanor when resolving issues.

  • Strong English verbal and written communication skills.


Preferred Qualifications

  • Previous customer-oriented service experience.

  • Database querying languages such as SQLite or MySQL.

  • Familiarity with TSE Arrowhead, OUCH, OM trading protocols.

  • Familiarity with FIX trading protocol.

  • Financial instrument trade flow familiarity.

Employment Location

Full-time positions are currently available in Tokyo and Sydney. Applicants should have the necessary permission to work for the location of interest. 

For more information on working at Raptor Financial Technologies, visit our careers page at and contact us at