Job Description: Senior Search Engineer

Overview

Are you looking to make meaningful changes at a fast-growing tech company in Japan? Do you seek a fair, flexible, and inclusive working environment where anyone, regardless of their background, can make an impact? If you're ready to build bold ideas in customer acquisition and revenue growth through conversational commerce technology, we want to hear from you!

About Us

We are on a mission to revolutionize hospitality on the Internet by unlocking digital customer service experiences that were previously limited to physical stores. Our automated chat solution and conversational technology transforms how consumers purchase or act online. With over 480 enterprise companies already utilizing our product, we are poised for exponential growth.

Role Overview

As a Senior Search Engineer, you will play a crucial role in building and optimizing search solutions for our conversational commerce platform. You will design and implement search algorithms focused on relevance, accuracy, and speed, ensuring users receive the best possible experience. Collaboration with product, data science, and engineering teams will be essential as you build scalable, efficient search systems.

Your Typical Day Will Include

• Designing, developing, and optimizing search algorithms and infrastructure using technologies like Elasticsearch, Solr, or Lucene.
• Integrating AI-powered models and machine learning to enhance search relevance, speed, and accuracy.
• Collaborating with data science teams to implement NLP techniques for semantic search enhancements.
• Building and maintaining high-performance indexing, ranking, and query processing systems.
• Tuning relevance metrics based on real-world data and continuously monitoring performance.
• Mentoring junior engineers, conducting code reviews, and participating in an on-call rotation with additional compensation.

What You’ll Need

• 5+ years of experience as a search engineer or in a related role, with a strong background in search algorithms, information retrieval, and ranking systems.
• Expertise in search technologies like Elasticsearch, Solr, or Lucene.
• Proficiency in Python and/or Java for backend system development.
• Strong experience with machine learning models and natural language processing.
• Proven ability to optimize query parsing, indexing, and relevance tuning for search systems.
• Familiarity with AI and ML models, preferably with TensorFlow or PyTorch.
• Ability to collaborate effectively across teams and communicate complex search concepts clearly.
• English proficiency is required; conversational Japanese is a plus.

What Makes You Stand Out

• Japanese language proficiency at a business or native level.
• Knowledge of cultural differences impacting user behavior in search contexts.
• Experience working with chatbot search systems, AI-driven search, or in SaaS environments.

Our Tech Stack

• Backend Languages: Go, Python, Elixir
• Frontend Languages: HTML, CSS, JavaScript (TypeScript, React.js, etc.)
• Infrastructure: Google Cloud Platform, Kubernetes, MongoDB, MySQL, PostgreSQL, Elasticsearch
• CI/CD Tools: Github Actions, ArgoCD, CircleCI
• Monitoring: Grafana, GCP Cloud Monitoring
• Process: Scrum

Work Environment

We offer a highly flexible, remote-first international organization with competitive salary, performance reviews every six months, and various other benefits, including housing allowance and club activity allowances.

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We believe in fostering a working environment where everyone can bring their best selves to work. If you're ready to join us on our journey, we look forward to considering your application!