Tanvir Ahamed

Tsukuba, Japan

• Integrating large language models into application features and backend services.
• Developing AI agents and automated, agentic workflows.
• Implementing retrieval-augmented generation (RAG) for focused, document-grounded use cases.
• Bringing LLM-powered coding agents into the team's day-to-day development workflow.
• Developing Python backend services and REST APIs with FastAPI.
• Writing the application logic and integrations behind AI-powered features.
• Connecting frontend applications to backend services deployed on Google Cloud Run.
• Developing and operating services on Cloud Run, Vertex AI and Compute Engine.
• Working with Cloud Build for application build and deployment workflows.
• Developing web application interfaces with Flutter, Dart and other frontend technologies.
• Contributing to AIZOTH's AI-powered software products, including the Flutter-based Multi-Sigma® platform.

Miyazaki, Japan

• Developed and optimized backend systems with Laravel (PHP) and Ruby on Rails.
• Designed and built REST APIs.
• Automated workflows, including email notifications and Slack integrations.
• Implemented multi-factor authentication with WebAuthn and SMS links.
• Optimized database performance on PostgreSQL and MySQL with indexing, Redis caching and query tuning.
• Wrote unit tests and test cases, and conducted code reviews.
• Deployed and maintained applications with Docker on AWS and Linux servers.

Dhaka, Bangladesh

• Japanese language training and Japanese business etiquette.
• Teamwork and cross-cultural communication for working with Japanese teams.
• Software engineering fundamentals through structured training, and programming contests.
• Outsourced software development in Python, covering image analysis and data analysis.

Dhaka, Bangladesh

• Designed and built an e-learning platform with Django (MVT) and REST APIs.
• Built a clinical data management and visualization website with secure authentication.
• Built a workshop platform with Django, JavaScript, PostgreSQL and Docker.
• Built REST APIs in Flask and optimized queries across PostgreSQL, MySQL and MongoDB, including OLAP queries.
• Improved performance with caching and threading.
• Built interfaces with Angular and TypeScript.
• Created interactive graphs, charts and maps with D3.js for clinical data warehouse analysis.
• Built map views with Leaflet and OpenStreetMap.
• Automated data collection and workflows with Selenium and BeautifulSoup.
• Deployed and optimized platforms on Ubuntu Linux servers and DigitalOcean.