Work
Experience
Apr 2023 - Present
Tech Lead / Software Engineer
Woven by Toyota · Tokyo, Japan
- Reduced operational costs related to activities review by 90% (~5M yen/year) by automating grading workflows using Python and LiteLLM/OpenAI, allowing instructors to focus on high-value content creation.
- Shipped Academy dashboards for instructors and team managers, enabling student metrics tracking and drop-off detection using React with D3 for interactive visualizations, microservices in Go following Clean Architecture, and gRPC/SNS/SQS for service-to-service communication and ETL workflows with Airflow for data orchestration.
- Delivered Company Skills Insights for enterprise customers. The project was cross-squad and my key role was orchestrating timelines and team contracts while remaining hands-on in design and development.
- Served as Frontend Chapter Lead, defining and prioritizing initiatives aligned with business goals, scalability, and maintainability. Major contributions to frontend enterprise architecture include internationalization workflows (Ditto + i18n), cloud E2E tests & monitoring (AWS Synthetics), composable CMS architecture (Contentful), and Design System development and adoption across teams.
React Go Python D3 gRPC Airflow AWS Contentful
Nov 2021 - Mar 2023
Senior Software Engineer / Frontend Specialist
Nanameue · Tokyo, Japan
- Led the frontend team to build scalable user experiences serving 10k DAU / 100k MAU.
- Significantly increased user engagement by releasing a highly requested User Mentions feature with Server-Sent Events for real-time notifications.
- Substantially increased in-call interaction by launching in-call chat messages and emoji reactions using Agora SDK and WebSockets.
- Enabled data-driven growth through analytics instrumentation and A/B testing using GrowthBook.
- Streamlined QA processes by implementing a comprehensive testing strategy covering unit, integration, and E2E tests for critical user flows.
React TypeScript WebSockets SSE Agora SDK GrowthBook
Feb 2020 - Aug 2021
Senior Software Engineer
Adeptly AI · Remote, Brazil
- Established engineering standards and CI/CD practices while growing the team by hiring 2 engineers, reducing user story lead time by implementing robust testing frameworks and deployment automation.
- Built and scaled a Learning Games platform in partnership with Google (Chromebook Sales Team) to improve customer decision-making and sales enablement.
- Expanded platform capabilities to support multiple partners by delivering a DIY flowchart-based game editor, significantly simplifying content creation.
- Developed and maintained analytics dashboards giving customers the ability to analyze learner behavior and engagement.
JavaScript TypeScript React Node.js CI/CD
Skills
Programming Languages
Javascript Typescript Go Python SQL
Frontend
React Next.JS Tailwind Design System & Component Libraries Testing (Cypress - Puppeteer - Playwright - Jest) D3 Redux Tanstack Query
Backend & Data
Redis PostgreSQL Airflow Data Pipelines Distributed Systems
Cloud & DevOps
AWS Kubernetes Terraform CI/CD Grafana