Wataru Takamine
Tokyo,Meguro
Summary
Highly skilled software engineer with over 5 years of experience in mobile app development, blockchain technology, and AI-driven automation. Demonstrated expertise in leading tech teams, developing scalable applications, and delivering cutting-edge solutions. Seeking to leverage hands-on experience with Kotlin, Python, and Typescript in a challenging software engineering role to drive innovation and enhance user experience.
Overview
5
5
years of professional experience
Work History
CTO & Founder
Leapify Inc
02.2024 - Current
- Co-founded AI product database/report service, securing over 50 corporate leads as lead generation tool
- Drove the company toward a planned M&A sale
- Automated database update process using Python, Supabase, and ChatGPT, improving the efficiency of monthly AI product database updates
- Achieved updates within minutes, significantly reducing manual effort
- Implemented Google App Script to automate report generation based on database, enabling creation of monthly reports in just few minutes, reducing manual work substantially
Software Engineer
SARAH Inc
05.2023 - Current
- Developed the ONIGIRI Chain and OMOCHI Chain on the Avalanche platform, creating specialized blockchain solutions for food and healthcare data management
- Delivered secure and scalable infrastructure for storing and analyzing consumer behavior data in Japan
- Collaborated with Avalabs during the Avalanche Summit 2023, contributing to the development of blockchain and decentralized applications (dApps), enhancing SARAH's integration within the Avalanche ecosystem
- Designed and deployed a scalable Blockchain Indexer utilizing Subquery, Avalanche, AvaCloud, and AWS CDK
- Automated data storage and analysis processes, advancing decentralized solutions for food and healthcare data management
Software Engineer
Forward Inc
08.2023 - 08.2024
- Developed automation for generating scout emails using TypeScript, React, Next.js, Prisma, and ChatGPT at Forward, Inc., streamlining the recruitment process and improving communication efficiency for job seekers and consultants in Japan's recruitment industry
- Implemented a feature that allows the bulk generation of multiple scout emails (specifically over 20 at once) for multiple job seekers and job postings, whereas previously only one scout email could be generated at a time
- Built a workflow integrating Lambda with Slack, enabling sales representatives to register clients who signed contracts directly from Slack, streamlining the process and improving efficiency
Android Engineer
DMM.com LLC
04.2020 - 07.2023
- Developed content details screen for DMM TV Android app using Kotlin, Jetpack Compose, leading mapping of GraphQL schema fields to UI elements alongside other client-side engineers, successfully implementing app's most complex screen
- Led performance tuning efforts by splitting queries into first view required data and eliminating over-fetching, reducing query complexity from 1500 to 750 and halving API response times, significantly improving user experience leading up to video playback
- Contributed to large-scale project involving simultaneous release of web, Android, iOS, Fire TV, Android TV, and PS5 platforms, acting as point of contact for mobile team's specifications and requirements
- Collaborated with cross-functional teams to optimize performance and UI responsiveness, enhancing user experience and increasing engagement on DMM TV
Education
Master of Engineering (MEng) - Technology Management for Innovation
The University of Tokyo
Tokyo03.2020
Bachelor of Engineering (BE) - Mechanical and Aerospace Engineering
Tohoku University
Miyagi03.2018
Skills
- Programming Languages: Kotlin, Python, TypeScript
- Frameworks and Libraries: React, Nextjs, FastAPI
- Cloud and Infrastructure: AWS (including AWS CDK), Docker, Firebase
- Databases: SQL (PostgreSQL, MySQL), Supabase
- Mobile Development: Android Development, Jetpack Compose, Multiplatform Mobile (KMM)
- Development Processes and Tools: CI/CD (GitHub Actions), Git
- API Development: GraphQL, RESTful APIs
- Blockchain: Avalanche, SubQuery, AvaCloud
- AI: Machine Learning, NLP, ChatGPT
Awardsrecognitionsvolunteerwork
- SIGGRAPH ASIA 2022, 2022
- Top 10% in Signate J-League Attendance Forecasting Competition, 2020
- Wacoal Study Hall Kyoto Encouragement Award at SICF, 2019
- Global Hagi Overseas Study Encouragement Award, 2016
- Birdman Rally propeller-driven long distance class winner, 2015
Timeline
CTO & Founder
Leapify Inc
02.2024 - Current
Software Engineer
Forward Inc
08.2023 - 08.2024
Software Engineer
SARAH Inc
05.2023 - Current
Android Engineer
DMM.com LLC
04.2020 - 07.2023
Master of Engineering (MEng) - Technology Management for Innovation
The University of Tokyo
Bachelor of Engineering (BE) - Mechanical and Aerospace Engineering
Tohoku University
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