• Full-time

Publication date: 2026.07.24

[Fully Remote / Fully Flexible] LLM/VLM Engineer

  • R&D / Engineer /Technician (AI, Data)
  • Full remote work
  • Salary 6.5 to 8 million yen
【フルリモート/フルフレックス】LLM/VLMエンジニア
職種Position R&D / Engineer /Technician (AI, Data)
会社概要Company profile The company engages in business activities that bridge the gap between fundamental technology development and practical commercial application, focusing on areas such as industrial applications of image recognition (utilizing deep learning), edge AI development (via network compression technology), and the creation of autonomous agent algorithms for use in drones and other systems. Recognized as a "J-Startup," the company is garnering attention as a Japanese AI venture.
Its product lineup includes solutions for visual inspection via image recognition, autonomous drones, automation (auto-piloting) for construction machinery, HVAC optimization, and the utilization of EEG data; its client base spans diverse industries, including companies such as KDDI, Daikin, Hitachi, Honda, and Toyota.
仕事内容Job description We are seeking an engineer to lead the development and real-world implementation of solutions that address real-world challenges by leveraging cutting-edge AI technologies, such as LLMs and VLMs. This is a role offering significant autonomy and a rewarding experience, where you will drive clients' digital transformation (DX) through your technical expertise.

【Responsibilities】
As a core member of the Advanced AI Development Department, you will handle a wide range of tasks, spanning from client-facing work to strengthening the company's internal technical capabilities.

1. Solution Development and Consulting Leveraging Large Language Models (LLMs)
❖ System and Product Development (Design, Implementation, and Project Management)
・ Handle the end-to-end AI development process, including data collection and processing, model selection, training and evaluation, and deployment to on-premise or cloud environments.
・ Project examples: R&D support for traffic safety using VLMs; performance improvement of RAG systems for financial institutions.

❖ Generative AI Consulting (Requirements Definition and Project Execution)
・ Listen to client challenges and provide technical support for the adoption of generative AI, acting as a partner in driving their DX.
・ Project example: Supporting the implementation of generative AI at financial institutions.

2. Project Proposals and Technical Negotiations
❖ Conduct technical research and analysis to identify client needs and propose optimal solutions.

3. Contributing to Strengthening Internal Technical Capabilities
❖ Knowledge Sharing and Asset Building
・ Systematize insights gained from projects and organize/share them as internal documentation to elevate the technical capabilities of the entire organization.

❖ Keeping Up with and Deploying Cutting-Edge Technologies
・ Lead team-wide skill development by organizing and presenting at internal study sessions. 【Experience & Skills Gained】
・Experience in the development and management of cutting-edge projects leveraging LLMs and VLMs
・Experience collaborating with highly skilled team members possessing specialized expertise
・Ability to solve fundamental problems and advanced negotiation skills developed through collaboration with clients across diverse industries
・The opportunity to make a tangible impact on the business through your own technical choices in an environment offering significant autonomy

【Hiring Context】
We are recruiting key team members to further accelerate our rapidly growing AI business. We look forward to welcoming individuals who will help drive this growth alongside us.

【Company Culture】
・A culture that values ​​logical thinking and fosters deep, substantive discussions
・An open atmosphere where asking questions across departments is easy and knowledge sharing is actively encouraged
・An environment that welcomes proposals and the raising of issues aimed at ensuring systems remain meaningful and effective rather than becoming mere formalities
・A workplace that grants autonomy and strives to accommodate individual preferences regarding work content
・A culture that prioritizes employee performance, offering benefits such as freedom in PC selection, access to GitHub Copilot, and the option to discuss fully remote work arrangements
応募資格Requirement ▼ Required Qualifications
・Business-level Japanese proficiency
・Experience in development using Python and machine learning libraries such as PyTorch
・Experience in developing Large Language Models (LLMs) or Vision-Language Models (VLMs), covering at least one of the following areas (①–③):
① Experience developing algorithms, products, or systems utilizing LLMs (including proposal, design, implementation, and development management)
② Experience improving LLM performance (data creation, RAG, fine-tuning, prompt engineering, optimization for speed/size, and accuracy/performance evaluation)
③ Experience building systems that incorporate LLMs (in on-premises and/or cloud environments)
・Knowledge of and development experience in Natural Language Processing (NLP)
・Experience in team-based development using version control tools (Git)
・Experience in technical communication and making technical proposals to sales teams or clients

▼ Preferred Qualifications
・Knowledge of and development experience in image processing (image recognition AI, traditional image processing)
・Experience in deploying and operating machine learning models
・Knowledge of and experience with container technologies such as Docker and Kubernetes
・Experience in database design and operation (SQL/NoSQL)
・Ability to read technical documentation and communicate in English
・Ability to keep up with the latest research papers and technical trends and apply them to practical work
日本語力Japanese level Business
雇用形態Employment type Full-time
勤務エリアLocation Full remote work
勤務時間Working hours Flextime system (flexible hours: 5:00–22:00)
想定年収Salary 6.5 to 8 million yen
条件・待遇Condition Employment Type: Full-time employee
Probationary Period: 3 months
Estimated Annual Salary: 6.5–8.0 million JPY (Over 8.0 million JPY possible for Tech Lead candidates)
Work Location: Tokyo (Fully remote work available)
Working Hours: Flextime system (Flexible hours: 5:00–22:00)
Days Off: Two days off per week (Saturdays and Sundays), national holidays
Leave: Summer leave, year-end/New Year holidays, and other leave
Overtime: Average of 20 hours per month
Benefits: Comprehensive social insurance, commuting allowance (subject to company policy), and other benefits
選考についてProcess [Selection Process]
Document screening
First interview (coding test)
Second interview (assignment)
Final interview
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