Senior Application Support Engineer【Well Known Company】

Client Details

This opportunity is with a large organization in the Technology & Telecoms industry. The company is known for delivering advanced solutions and maintaining a strong presence in the market, making it an excellent environment for professionals seeking to grow their careers.

Description

• Deliver L2 production application support, handling incidents, conducting root cause analysis, applying defect fixes, and implementing minor enhancements in SLA‑driven environments.
• Support and maintain frontend and backend systems using technologies such as React, Next.js, JavaScript/TypeScript, Java, APIs, and cloud‑based infrastructure.
• Communicate effectively with stakeholders through clear updates, documentation, status reporting, and timely issue escalation during critical support situations.
• Participate in on‑call/P1 support, transition and knowledge‑transfer activities, and apply best practices to ensure stable, high‑quality application operations.

Job Offer

• Collaborative work environment with opportunities for professional growth.
• Bilingual work enviroment
• Opportunity to join a well known company

To apply online please click the 'Apply' button below. For a confidential discussion about this role please contact Serina Miyazono on +81 3 6627 6130.

• Business‑level Japanese proficiency (JLPT N2 or above), capable of supporting daily operations, documentation, and stakeholder communication.
• Business‑level English proficiency, able to clearly communicate technical issues, status updates, and support documentation.
• Ability to switch effectively between Japanese and English in operational and client‑facing support scenarios.
• Strong written and verbal communication skills to produce clear reports, incident updates, and technical documentation in both languages.