This role sits at the intersection of core platform engineering and new business development within a global leader in AI-powered domain expertise services. You will be responsible for building and scaling backend systems that extract and accumulate useful knowledge from diverse data sources, as well as developing high-quality software for new, high-impact business initiatives from the 0→1 phase. Key Responsibilities Platform & Feature Development: Formulate development plans, design, implement, test, and operate web applications and backend APIs for both internal knowledge extraction platforms and new customer-facing products. Modeling & Architecture: Perform domain and data modeling focused on future scalability and product evolution. Design architectures that balance high quality with high development productivity. Engineering Productivity: Build systems to enhance developer experience, including schema-driven development, library creation, CI/CD pipelines, and automated testing. Continuous Improvement: Lead various automation efforts, establish operational processes, and maintain technical documentation to improve team productivity and product quality. Innovation & Technical Selection: Take responsibility for technology selection and the stable delivery of high-quality software, balancing business growth with technical investment and debt management. Leadership & Mentoring: Provide guidance, mentoring, and coaching to team members as needed to foster a high-performing engineering culture. Requirements Must-Have Skills: Experience: 5+ years of professional experience in web system development and maintenance. Programming: Practical development experience with at least one (preferably multiple) major languages such as Python, Java, Go, or Rust. Cloud & Infrastructure: Hands-on experience designing and building systems using AWS, GCP, or Azure. Containerization: Practical experience with Docker and other container technologies. Database Management: Experience in development and operation using Relational Databases (RDB). Code Quality: Proven experience in initiatives to improve code quality and team productivity, including technical selection and implementation. Language: Business-level Japanese proficiency (Equivalent to JLPT N2 and above); interviews will be conducted in Japanese. Preferred Experiences: Architectural Patterns: Practical experience with DDD (Domain-Driven Design) or Clean Architecture. Modern Infrastructure: Experience with Kubernetes, Terraform (IaC), and Microservices architecture. Technical Depth: Knowledge of I/O and algorithm optimization, performance tuning, and web security best practices. Specialized Engineering: Experience with Natural Language Processing (NLP), parsing, data structures, and data visualization. Frontend Exposure: Experience with modern frontend frameworks such as React, Vue, or Angular. Global Collaboration: High communication skills to collaborate with diverse team members across different cultural backgrounds (fluency in both English and Japanese is a significant plus). Benefits Work Environment: Schedule: Full flextime system (no core time) or a discretionary work system. Location: Tokyo (specific area hidden); full remote work is generally not available, though flexible arrangements may be discussed for new projects. Holidays: 120+ days off per year, including a complete five-day work week (Sat/Sun off) and public holidays. Vacations: Paid leave (granted upon joining), New Year’s holidays, and special leaves (sick leave, birthday leave, work-life balance leave, and parental leave). Compensation & Perks: Salary Range: Determined by experience and skills AI Tools: Full distribution of advanced AI tools to all employees (e.g., ChatGPT Enterprise, Gemini for Google Workspace, etc.). Developer Support: Access to cutting-edge development assistance tools (e.g., Cursor, GitHub Copilot, Devin, etc.). Growth Support: Dedicated budget for self-improvement and language learning assistance. Social & Health: Complete social insurance, influenza vaccination assistance, and employee stock ownership programs. Side Jobs: Allowed with prior permission.
Altera Consulting Co., Ltd. is a Tokyo-based consulting firm specialized in Digital Transformation (DX) and Artificial Intelligence (AI). We help organizations build and strengthen their technology, data, and AI capabilities to unlock growth, efficiency, and long-term competitiveness.
Our team brings together expertise in business consulting, engineering, product, design, data, AI, and project management. With this diverse skill set, we partner with clients to deliver end-to-end transformation solutions, from strategy to execution.
By applying agile and lean principles and integrating AI into real-world workflows, we’ve helped organizations of all sizes (from startups to global enterprises) adapt, innovate, and thrive.
The pace of change is only accelerating. Industries everywhere are being disrupted, and success depends on how quickly businesses can adopt new technologies and modern ways of working. At Altera, we make transformation practical, scalable, and tailored to your needs, so you can focus on creating value while staying future-ready.
🌍 OUR SERVICES:
1. Altera Consulting – DX & AI Consulting
We design and implement digital and AI solutions across systems, processes, and people to drive measurable business outcomes.
2. Altera Connect – Consultant on Demand
Flexible, on-demand access to skilled experts who can fill capability gaps and accelerate projects without long hiring cycles.
3. Altera Recruiting – Recruitment Services
Helping companies in Japan secure top talent, from digital project managers to AI engineers, leveraging our deep industry network and trusted relationships.
At Altera Consulting, we don’t just advise, we partner with you to build stronger, smarter, and more resilient organizations for the digital & AI era.
