MINA YU
MINA YU

Different places.
A more honest me.

TAIPEI, TAIWANA personal field journal

Resume / Field notes

Curriculum Vitae

A collection of what I’ve learned, built, and experienced.

Ming-Jung Yu
Senior Software Engineer · Full-Stack · Python · React · Next.js · AWS · 5+ Yrs Experience
SUMMARY

Product-minded Software Engineer with 5+ years of experience across Python backend and React/Next.js frontend development. Skilled at turning ambiguous requirements into practical solutions and independently driving product and engineering improvements. Delivered solutions that improved IoT processing performance by 80% and reduced deployment and QA workflows by 90%+. Experienced in cross-functional collaboration across the US and Asia and mentoring developers. Beyond professional work, built a personal website with 300,000+ page views and independently launched a divination service and an online chess game.

Work Experience
Senior Software Engineer
Mar 2024 - Apr 2025
TAO Digital Solutions
React.js · TypeScript · .NET / C# · Node.js · GraphQL · MongoDB · Playwright · Cypress · Monorepo
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    Developed end-to-end features for an automotive repair platform and vehicle tracking system, collaborating with cross-functional teams across the US and India.
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    Co-designed and built an E2E automation workflow from an initially undefined problem, reducing manual QA effort by ~90% (1–2 hrs → 5–10 mins).
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    Investigated issues across the frontend and backend despite primarily owning frontend development, including resolving a caching issue that significantly improved the MFA user experience.
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    Identified and automated a repetitive Excel timesheet reporting workflow with TypeScript, reducing processing time for senior leadership by ~95% (10 mins → 2 secs).
Software Engineer
Feb 2022 - Dec 2023
Innova Solutions Taiwan, LTD.
Python · AWS Lambda · S3 · SQS · SNS · Microservices · Selenium
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    Developed large-scale patient data pipelines for US healthcare clients, collaborating across PST/CST time zones and regularly demoing progress to stakeholders.
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    Independently designed and built an AWS Lambda deployment automation solution from an open-ended operational need, integrating Jira, Fortify, and Black Duck andreducing release time by 90%+ (~1 hr → 3–5 mins).
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    Mentored new developers on domain logic, AWS architecture, and Scrum practices, and authored technical documentation to improve knowledge sharing and onboarding.
Back-End Software Engineer
Nov 2019 - Mar 2021
AcBel Polytech Inc.
Python · PostgreSQL · Redis · MQTT
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    Built and maintained IoT backends for solar energy and smart streetlight systems, processing real-time sensor data with Python and MQTT.
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    Improved IoT data processing performance by 80% through asynchronous programming, Redis caching, and database indexing.
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    Worked directly with hardware vendors to define integration specifications and align software and hardware interfaces.
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    Led daily Scrum ceremonies, mentored engineers through code reviews and technical guidance, and demoed new features to PMs during sprint reviews.
Back-end Engineer
Sep 2018 - Aug 2019
Synergies Intelligent System Inc.
Python · Flask · SQLite
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    Developed and tested a business intelligence platform for analyzing business operations and sales metrics.
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    Supported a Robo-Advisor system for banking clients through QA/UAT, debugging, and deployment.
Research Assistant (Intern)
Apr 2017 - Jun 2018
Shih Chien University
Python · SQL · SAS
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    Analyzed nationwide social welfare data covering 20 million citizens in collaboration with the Ministry of Health and Welfare, identifying socio-economic factors associated with vulnerable families.
Website Developer (Intern)
Apr 2016 - Jan 2018
Shih Chien University
Python2 · Django · JavaScript · HTML · CSS
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    Designed and developed university websites from stakeholder requirements, including a campaign website for the Tzu Chi (慈濟) Foundation.
Personal Projects
Miri Robot Fortune-TellerIndependently designed, architected, launched, and maintained a full-stack divination platform that digitizes six traditional fortune-telling methods into interactive online experiences, with Google OAuth authentication.
Next.js · Python · Firestore · TailwindCSS
Banqi Chinese ChessDesigned and built an online Chinese Banqi chess game from scratch, featuring single-player gameplay with a lightweight AI and real-time multiplayer.
Next.js · Firestore · TailwindCSS
Personal Website & PortfolioBuilt and operated a personal website reaching 300,000+ page views, combining long-form content, personal projects, and professional work, with a focus on SEO and web performance.
Next.js · TailwindCSS · GA · SEO
Core Skills
Backend
Python, AWS Lambda, FastAPI, Flask, PostgreSQL, MongoDB, Redis, MQTT,
Frontend
Next.js, React, TypeScript, TailwindCSS, GraphQL,
Cloud & Tools
AWS, Microservices, Monorepo, Firestore, Docker, Playwright, Cypress, Selenium, Jira,
Education
Shih Chien University
M.S. Information Technology and Management
2016 - 2018
B.S. Information Technology and Management
2011 - 2015
Languages
ChineseNative
EnglishIntermediate
JapaneseJLPT N3
EspañolIntermediate