Principal Application Support Specialist - FinTech Payments
About the job
A global technology company operating large-scale payment platforms is seeking a Principal Application Support Specialist in Tokyo. This role is central to ensuring the stability and scalability of mission-critical internal payment applications in a fast-growing FinTech environment.
You will take ownership of complex production systems, resolve high-impact incidents, and collaborate closely with global engineering teams to continuously improve platform reliability and operational excellence.
Key Responsibilities
- Triage and resolve Tier-2 application issues, escalating complex cases to engineering squads
- Investigate production incidents, identify root causes, and document permanent fixes
- Partner with engineering teams to report bugs, gaps, and improvement opportunities
- Maintain and enhance internal support documentation, processes, and operational workflows
- Support application releases, configuration updates, and on-call production requirements
Required Skills and Qualifications
Experience:
- 4+ years of experience in application support, production operations, or software maintenance
- Strong understanding of modern web applications across backend and frontend environments
- Hands-on experience with at least one of the following: Java, React, MySQL, databases, or messaging queues
- Proven experience working with ticketing systems and structured incident categorization
Soft Skills:
- Clear and confident communicator across both technical and non-technical stakeholders
- Strong analytical problem-solving ability, especially in live production environments
- Calm and reliable mindset when handling high-priority incidents
Language Requirements:
- Japanese: Business-level proficiency required
- English: Fluent communication required for global collaboration
Preferred Skills & Qualifications
- Experience supporting FinTech, banking, or payment platform systems
- Familiarity with on-call rotations and real-time production support environments
- Ability to mentor junior team members or lead small operational initiatives
About the Company
Our client is a global technology organization running high-value payment platforms used across multiple industries worldwide. Their systems support mission-critical transactions across many countries, currencies, and time zones. The company promotes reliability, collaboration, and continuous improvement through a strong engineering culture.
Why You'll Love Working Here
- Hybrid work model in a truly multicultural global engineering environment
- Strong emphasis on ownership, learning, and long-term career growth
- Competitive compensation and benefits aligned with international standards
- Opportunity to work on high-scale internal payment systems with global impact
- Supportive culture focused on operational excellence and teamwork
Don't Miss Out - Apply Now!
