Job opening - Java Application Maintenance & Refactoring Engineer @ Financial Company (Professional Contract) in 東京23区 | Randstad

summary

東京23区, 東京都
¥9,600,000 - ¥12,000,000 per year, 年収960 ～ 1,200万円
contract

job category
information technology

job details

社名
社名非公開

職種
システム開発（Web・オープン・モバイル系）

業務内容
Work on one of the largest internal system portfolios in the financial industry, gaining deep expertise in large-scale enterprise architecture and mission-critical applications.
Develop advanced skills in code analysis, refactoring, and system modernization, contributing directly to long-term system stability and technical quality. ...

Opportunity for long-term engagement with potential conversion to permanent, in a highly reputable financial organization known for engineering excellence.

求められる経験
・Business Level Japanese communication skills allowing you to make good relationship with internal business user.
・Hands-on experience with Java application development. Please apply as long as you have 3+ years Java experience.
・Proven ability to read, interpret, and analyze large and complex codebases
・Practical experience with refactoring, debugging, and performance tuning
・Understanding of software design principles, maintainability, and clean code practices
・Experience in system maintenance, production support, or long-term operation of enterprise applications
・Strong problem-solving skills and attention to detail

保険
健康保険　厚生年金保険　雇用保険

休日休暇
土曜日　日曜日　祝日

給与
年収960 ～ 1,200万円

賞与
0
雇用期間
期間の定めなし

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社名
社名非公開

職種
システム開発（Web・オープン・モバイル系）

業務内容
Work on one of the largest internal system portfolios in the financial industry, gaining deep expertise in large-scale enterprise architecture and mission-critical applications.
Develop advanced skills in code analysis, refactoring, and system modernization, contributing directly to long-term system stability and technical quality.
Opportunity for long-term engagement with potential conversion to permanent, in a highly reputable financial organization known for engineering excellence.

求められる経験
・Business Level Japanese communication skills allowing you to make good relationship with internal business user.
・Hands-on experience with Java application development. Please apply as long as you have 3+ years Java experience.
・Proven ability to read, interpret, and analyze large and complex codebases
・Practical experience with refactoring, debugging, and performance tuning
・Understanding of software design principles, maintainability, and clean code practices
・Experience in system maintenance, production support, or long-term operation of enterprise applications
・Strong problem-solving skills and attention to detail ...

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experience
・Business Level Japanese communication skills allowing you to make good relationship with internal b

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