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Senior Software Engineer/シニア・ソフトウェアエンジニア

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Onsite

Senior Software Engineer/シニア・ソフトウェアエンジニア

ハイテックジャパン株式会社

Senior Software Engineer/シニア・ソフトウェアエンジニア

Skills

PythonJavaLinux

23 days ago

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Important information


Contract type:

Permanent

Work mode:

Onsite

Published on:

2 October 2026

What they need


Senior Software Engineer/シニア・ソフトウェアエンジニア

勤務地

東京都 23区

雇用形態

正社員

給与

800万円 ~ 1300万円

募集要項

Position Summary

We are seeking an experienced Senior Software Engineer to drive large-scale international projects at a leading global System Integrator (SIer).

This position requires deep expertise in backend development using either Java or Python, coupled with a strong foundational knowledge of Linux systems. Working within a truly international environment with a diverse talent pool, you will design and optimize high-performance systems. Our company provides a highly structured Learning & Development path, offering tailored training and certification opportunities to ensure your continuous career progression and technical leadership.

Key Responsibilities

  • Robust Backend Development: Design, develop, and optimize scalable enterprise systems or web applications using Java or Python.
  • System & Infrastructure Control: Handle server configuration, troubleshooting, and performance tuning within Linux environments.
  • Technical Leadership: Lead code reviews, mentor junior engineers, and drive engineering best practices across the team.
  • Global Collaboration: Bridge technical alignment and drive delivery by collaborating with multinational teams across different regions.

応募必要条件

職務経験

6年以上

キャリアレベル

中途経験者レベル

英語レベル

日常会話レベル

日本語レベル

流暢

最終学歴

短大卒: 準学士号

現在のビザ

日本での就労許可が必要です

スキル・資格

Required Skills & Qualifications

1. Technical Competencies

  • Development Experience: Strong senior-level experience in software engineering, with deep expertise in either Java or Python.
  • OS & System Knowledge: Solid understanding and hands-on experience with Linux systems (command-line proficiency, shell scripting, and server operations).
  • Architecture & Design: Deep comprehension of object-oriented design, clean architecture, and building robust APIs for large-scale systems.

2. Language Requirements

  • Japanese: Fluent / Business level. Capable of handling complex requirement definitions and smooth communication with domestic business partners.
  • English: Conversational level or above. Capable of participating in technical discussions, standups, and text-based collaboration with global teammates.

勤務地

  • 東京都 23区

労働条件

雇用形態正社員給与800万円 ~ 1300万円

業種: SIer・システムインテグレーター

職種

ICTスペシャリスト(IT・Web・通信系) > ITコンサルタント

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