Senior Software Development Engineer

Job ID

TKIT1003

Work Locations

Nationwide (Head Office + 31 Branches)
Sapporo, Sendai, Tsuchiura, Chiba, Kashiwa, Saitama, Tokyo, Hachioji, Yokohama, Atsugi, Shizuoka, Hamamatsu, Nagoya, Kariya, Kanazawa, Toyama, Kyoto, Shiga, Osaka, Kobe, Okayama, Hiroshima, Takamatsu, Matsuyama, Fukuoka, Kumamoto, and more.

  • No smoking indoors (may vary by workplace).

  • No relocation required (except for certain public-sector projects).

  • Work location determined by company assignment (may include remote work).

Employment Type

Full-time (Permanent position)

Work Style Options:

  • In-house development center (contract-based development)

  • On-site or client-based work (in-house subcontract or dispatch)

Estimated Annual Salary

Monthly Salary: ¥270,000 – ¥600,000+ full overtime pay + 2 bonuses (approx. 4 months’ worth last year) + various allowances.
Salary based on age, experience, and ability.
Annual raise: Once a year (July).
※ Salary will be determined based on experience, skills, and age.

Annual Salary Examples:

  • Age 30 – ¥5,000,000 (Sub-leader, 3rd year)

  • Age 34 – ¥6,000,000 (Leader, 3rd year)

  • Age 40 – ¥8,000,000 (Manager, 9th year)

  • Age 50s – Up to ¥10,000,000 (depending on projects)

  • Age 60s – Up to ¥8,000,000 (depending on projects)

Working Hour

9:00-18:00 (1h break) + Up to 10-20 hours over time when approved.

Age Requirement

Up to around 65 years old

Education

No specific educational background required

Job Description

We are seeking experienced Senior Software Developers to take the lead in the design, development, and implementation of systems that meet a wide range of client needs.
You will be responsible for full-cycle software development — from requirement analysis and system design to programming and testing — either within our in-house development centers or at client sites.

Assignments will be determined according to your skills, experience, and career aspirations. Our engineers work in collaborative teams with access to extensive professional support and resources.

Main Development Projects

  • AI-related, logistics, and production management systems

  • New website and client-server (C/S) application development

  • Business application systems such as ERP, SCM, and PDM

  • Mobile and tablet applications (iOS, iPadOS, Android)

  • Deep learning and educational system development

  • E-commerce and portal site development

Role Highlights

  • Opportunity to engage with cutting-edge technology through projects with leading enterprises across Japan.

  • Comprehensive training and professional development framework to continuously enhance your technical and leadership skills.

  • Structured career support programs, including one-on-one sessions with career development advisors.

  • Access to a wide range of professional certifications, including national IT qualifications and vendor accreditations (Oracle, LPI, Microsoft, Cisco, etc.), supported by internal education subsidies.

(Scope of work subject to change as defined by the company.)

Required Skills and Experience

[MUST]

  • Minimum of 5 years of professional experience in software or system development

Preferred Skills & Experience

[WANT]

  • Experience in requirement definition, system design, detailed design, coding, and testing

  • Experience as a Technical Lead or Project Manager

  • Experience working with servers, networks, middleware, and databases

  • Possession of relevant IT certifications (e.g., Fundamental Information Technology Engineer)

Ideal Candidate Profile:

  • Passionate about continuing to grow as a hands-on engineer

  • Motivated to mentor and support junior engineers while utilizing one’s expertise

  • Committed to personal development and goal achievement

  • Excellent communication and teamwork skills

This position is ideal for candidates who:

  • Want to be recognized and rewarded for their experience

  • Seek stability in a well-established company

  • Wish to enhance their skills in an environment utilizing the latest technologies

  • Value both fair compensation and a healthy work-life balance

  • Who are capable of leading a team and mentoring other team members

Related Job Titles

Candidates matching the following roles, should apply.

Software Engineer Senior Software Engineer
Senior Web Engineer Full Stack Engineer
Senior System Engineer Senior Backend Engineer
Frontend Engineer Mobile Application Developer
Cloud Engineer Senior DevOps Engineer
IT Engineer System Programmer
Embedded Software Engineer Technical Support Engineer
QA Engineer (Quality Assurance Engineer) Test Engineer

Bonus

Twice annually (with potential additional performance bonus)

Benefits & Welfare

  • Group term life insurance

  • Retirement allowance system (Defined Contribution Pension Plan), post-retirement re-employment program

  • Company housing and dormitory system, relocation and transfer allowance, home visit travel expense support, moving cost assistance

  • Congratulatory and condolence allowance system, parenting support allowance (“Papa-Mama Childcare Support”), corporate babysitter support system

  • Company club and circle activity support, health insurance association membership

  • Access to “Benefit Station” employee welfare service

  • EAP (Employee Assistance Program) counseling service

  • Education and Self-Development Support:

    • In-house training, tuition assistance for correspondence courses, subsidies for internal/external seminars, book purchase assistance, external technical training participation, academic conference participation, self-development support, and certification acquisition assistance.

    • (Use of certain programs and training is subject to internal approval.)

  • Other incentives

Social Insurance

Health insurance, employee pension, employment insurance, workers’ accident insurance, and nursing care insurance

Allowances

  • Commuting allowance

  • Full overtime pay (calculated per minute)

  • Position allowance

  • Certification bonuses (for approximately 140 recognized certifications)

  • Relocation and assignment allowances

  • Telework allowance

Probation Period

2 months (no change in employment conditions)

Selection Process

  1. Application

  2. Document screening

  3. Online aptitude test

  4. First interview

  5. Second interview

  6. Offer

Required application documents: Resume (履歴書) and Work History (職務経歴書)
Written/aptitude test: Online aptitude test
Interview format: Primarily online, some may be in person

Holidays and Leave

  • Complete 5-day workweek (Saturday, Sunday, and public holidays off)
    Note: In weeks containing a public holiday, Saturday may be a working day.

  • Year-end/New Year holidays, paid leave (with recommended summer vacation days), condolence leave, special leave, parental leave, and caregiving leave.

  • Additional leave:

    • Up to 3 days of special leave upon joining

    • Up to 5 days of disaster leave (5 times per year)

  • Total annual holidays: 122 days

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Software Development Engineer (Mid-Level)