Backend Engineer (Scalable API & System Integration)
This role is based on-site in Tokyo, Japan and will be working directly with Fred Almeida.
About MiAI Law
MiAI Law is building the future of AI-powered legal research, delivering deep NLP models and AI-driven search technology dedicated to bridging the technology gap for lawyers by delivering advanced legal research tools and custom AI solutions. The company’s mission is to empower lawyers to provide efficient, affordable, and high-quality legal services while upholding data privacy and security standards. MiAI Law offers bespoke solutions tailored to individual client needs and scalable options for diverse requirements to enhance efficiency and productivity in the legal sector. We are looking for a Backend Engineer to build and scale robust APIs, system architecture, and legal AI workflows.The Role
As a Backend Engineer at MiAI Law, you will:- Develop and optimize APIs for AI-driven legal research.
- Build scalable backend systems that handle high-traffic AI workflows.
- Integrate AI search, ranking, and document processing APIs.
- Ensure security, authentication, and data integrity in all legal AI services.
- Collaborate with AI teams to deploy and maintain AI-powered solutions.
Key Responsibilities
API Development & Integration- Build FastAPI/Flask-based backend services for AI-powered legal applications.
- Ensure scalability and performance optimization for real-time AI queries.
- Implement GraphQL & REST APIs for legal data retrieval.
- Design high-performance backend systems that process legal documents at scale.
- Implement caching strategies (Redis, Memcached) for legal search and retrieval.
- Optimize database queries (PostgreSQL, MongoDB, Elasticsearch, Pinecone).
- Implement OAuth, JWT, RBAC for user authentication.
- Ensure GDPR, HIPAA, and legal data compliance.
- Use secure data handling and encryption protocols to protect sensitive legal information.
Requirements: Who You Are
Technical Skills:- 3+ years of experience in backend development, API scaling, and system integration.
- Strong experience with FastAPI, Flask, Django, PostgreSQL, Elasticsearch, Redis.
- Proficiency in cloud deployments (AWS, GCP, Azure) and container orchestration (Kubernetes, Docker).
- Experience with high-performance backend design for AI-driven applications.
- Strong problem-solving skills and ability to optimize high-load AI applications.
- Ability to collaborate with AI researchers, data engineers, and product teams.
- Passionate about building scalable, production-ready AI systems.
Why Join MiAI Law?
- Work with cutting-edge AI & backend technologies in legal tech.
- Be part of a growing, innovative team in Tokyo, Japan.
- Solve real-world problems at the intersection of law and AI.
- Build scalable APIs that drive the future of AI-powered legal research.
- Be part of an exciting, innovative Legaltech AI start-up that values collaboration and initiative.
- Opportunity to work closely with senior leadership and contribute to the success of MiAI and key projects.
HOW TO APPLY
Please submit your application using the form below, and be sure to include:- Your resume
- A link to your GitHub profile
- And a brief outline of how your skills and experience align with this role
Our Culture
At MiAI Law, our culture is the foundation of our success. We’re a high-performance, innovation-driven startup where every team member feels valued and empowered.
Join Us
Are you passionate about legal tech, excited by challenges, and ready to make a real impact?
If so, MiAI Law could be the place for you to thrive.