At estie Inc., we are building the future of the commercial real estate industry by combining one of Japan's largest commercial real estate datasets with cutting-edge AI technologies.
We are looking for a Software Engineer to join our Real Estate AI Lab, where you'll focus on transforming AI models into scalable, production-ready software that delivers real value to customers. Rather than researching AI models themselves, your mission is to build and operate AI-powered products—from Proof of Concept (PoC) and MVP development to full-scale commercial deployment.
Working with technologies such as LLMs, Generative AI, and MLOps, you will help accelerate digital transformation across one of Japan's largest industries.
Job Responsibilities
- Develop AI-powered products through rapid software engineering
- Design and implement AI models and data pipelines
- Build and operate MLOps environments, including CI/CD pipelines, monitoring, and alerting
- Collaborate with cross-functional product teams to develop AI applications
- Lead AI product planning, PoC development, and MVP implementation
- Work closely with business stakeholders to define AI use cases and product requirements
- Design and develop innovative AI products that maximize customer value
- Continuously improve products based on customer feedback and market needs
About the Company
estie Inc. is a fast-growing technology startup with the mission of "Unlocking the Full Potential of Industries."
By building one of Japan's largest commercial real estate data platforms, estie provides SaaS products and AI solutions that optimize information, business operations, and transactions across the real estate industry.
Established in January 2025, the Real Estate AI Lab combines proprietary real estate data with Generative AI to develop innovative products such as AI-powered rent appraisal systems and domain-specific AI agents for the real estate industry.
Why Join This Role?
- Build AI products using one of Japan's largest commercial real estate datasets
- Participate in the entire product lifecycle—from PoC and MVP to commercial launch
- Work hands-on with cutting-edge technologies including LLMs, Generative AI, and MLOps
- Utilize modern cloud-native technologies such as Docker, Kubernetes, and CI/CD
- Create AI products that have a significant impact on an entire industry
- Contribute to research that may lead to conference presentations, publications, or patent applications
Requirements
Required Qualifications
- Extensive professional experience in software development
- Strong understanding of software engineering principles and best practices
- Experience improving system reliability, scalability, maintainability, and code quality
- Experience selecting appropriate architectures and technologies based on business requirements using multiple programming languages and frameworks
- Experience collaborating with cross-functional teams including business stakeholders, engineers, and designers
- Experience leading development projects from PoC through production release
Preferred Qualifications
- Experience working with Large Language Models (LLMs)
- Experience using Generative AI APIs such as the ChatGPT API
- Experience building and operating MLOps environments
- Hands-on experience with Docker, Kubernetes, or other container technologies
- Experience designing and operating CI/CD pipelines
- Development experience in startups or new business ventures
- Experience working in fast-paced, small engineering teams
Ideal Candidate Profile
- Passionate about empowering traditional industries through technology
- Proactive in solving problems beyond defined roles and responsibilities
- Adaptable in fast-changing environments
- Committed to continuous learning and adopting emerging technologies
- Motivated to create meaningful social and industrial impact through AI
Benefits
Compensation
- Annual Salary: Up to ¥15,000,000
- Salary Review: Twice a year (based on company and individual performance)
- Performance Bonus: Twice a year (based on company and individual performance)
- Stock Option Program
Location
- Akasaka, Minato-ku, Tokyo
Working Style
- Full-time
- Discretionary Labor System
- Typical Working Hours: 10:00 AM – 7:00 PM
- Flexible Working Hours (Flex Time)
- Remote Work Available
Holidays & Leave
- 125 Annual Holidays
- Two Days Off per Week (Saturday & Sunday)
- National Holidays
- Summer Vacation (3 days)
- Welcome Leave (3 days)
- Year-End & New Year Holidays
- Paid Annual Leave
Benefits
- Comprehensive Social Insurance
- Stock Option Program
- Housing Allowance
- Relocation Assistance
- Professional Certification Support
- Book Purchase Subsidy
- Learning & Conference Attendance Support
- Remote Work Program
- Indoor Smoking Area Available
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