Systems Engineer In-House

■Work Environment ・Average Overtime: Monthly overtime averages approximately 20 hours. ・Work Location: Remote-first work model serving as the primary arrangement. ・Working Hours: Coreless full-flex system enabling flexible working hours tailored to individual lifestyles. ■Overview This position primarily oversees the end-to-end development life cycle for in-house software package solutions—spanning basic design, detailed architecture, high-quality implementation, testing, and system deployment. Candidates seeking to transition into upstream architectural engineering are highly welcomed, as the position's primary focus centers on upstream design processes. The engineering division includes seasoned professionals with extensive Warehouse Management System (WMS) development backgrounds and hands-on logistics center operations management experience. Working alongside peers with shared domain expertise, engineers can directly leverage prior logistics experience to accelerate their IT and system engineering careers. 【Development Environment】 ◆ Programming Languages and Frameworks Front-end: JavaScript, Vue.js (Vue.js 3), Vuetify, Apache Echarts Back-end: Java, Spring Boot Database Language: PL/pgSQL ◆Infrastructure and Databases (AWS) Computing: Amazon EC2, AWS Lambda Storage: Amazon S3 Database: Amazon RDS / PostgreSQL ◆Team Development Tools Version Control: Git / GitHub Project Management: JIRA 【Mission】 Evolve proprietary software products into competitive, high-utility tools continuously adopted in field operations, driving fundamental operational transformation for clients. The division manages the complete lifecycle of in-house product development through full-scale operational implementation. Beyond initial software delivery, the team ensures end-to-end operational integration into client site operations, fulfilling the core mission of achieving actionable, high-impact Digital Transformation (DX). ■Responsibilities 1. Software Implementation Projects: 70% ・Preparation and review of basic design documents ・Estimation of man-hours and preparation of quotes ・Client support as needed (e.g., client interviews) ・Collaboration with partner companies (development vendors) to carry out development, system testing, and implementation ・Investigation and response to inquiries during the operational phase 2. Product Development: 30% ・Generalizing features added during projects and incorporating them into our company’s products 【Position Highlights】 ・Direct Operational Impact & High Visibility: End-to-end involvement—from initial requirements definition to full operational deployment—allows engineers to experience firsthand how their software architectures directly drive live, physical operations. ・Domain Expertise & High Market Value: Translating domain insights into elevated architectural quality positions engineers as specialized, highly sought-after experts at the intersection of logistics domain knowledge and IT engineering. Working Hours Flextime Job Requirements 【Required】 1. Experience developing business applications (3+ years) 【Preferred】 1. Experience as a project leader for system implementation (small teams and small-scale projects are acceptable) 2. Experience dealing with customers (e.g., assessing current situations and gathering requirements) 3. Experience in logistics-related system development 【Ideal Applicants】 ・Demonstrates flexibility to embrace market shifts and organizational diversity without relying on past successes, applying zero-based thinking to continuous innovation. ・Upholds uncompromising personal integrity and authenticity, maintaining an open-minded, transparent, and direct communication style across all levels. ・Possesses relentless intellectual curiosity to embrace emerging domains, taking initiative to autonomously identify, analyze, and resolve complex issues. ・Adapts swiftly to environmental changes and operational volatility, exhibiting high grit and perseverance to drive initiatives through to completion. English Level None Japanese Level Business Level(JLPT Level 2 or N2) ■Welfare Annual salary system (compensation determined based on skills, experience, and abilities) Includes a fixed overtime allowance for 45 hours Role-based allowances, professional allowances, etc. available (awarded based on ability) ・Insurance Full social insurance coverage ・Commuting Expenses Full reimbursement of commuting expenses (up to 150,000 yen) ・Annual MVP Awards ・Side jobs permitted (subject to approval) ・Flu vaccinations ・Company-provided PC ・Company-provided iPhone Holidays Saturdays, Sundays, national holidays, and year-end/New Year’s holidays (122 days off per year) ・Paid Leave 5 days granted as special paid leave upon joining the company In the first year after joining, paid leave is granted based on the date of hire (up to 13 days) Other types of leave, such as leave for family celebrations and bereavement, are also available Job Contract Period fulltime