Ming-Jung Yu
Senior Software Engineer · Full-Stack · Python · React · NextJS · AWS · 5+ Yrs Experience
SUMMARY
5+ years of experience delivering scalable applications across Automotive, Healthcare, IoT, and BI sectors, with a 4 yrs Backend (Python/AWS) and 2+ yrs Frontend (React/Next.js). Proven track record in optimizing IoT real-time data processing by 80% and reducing manual QA efforts by 90%+ through innovative automated solutions. Experienced in collaborating cross-functional teams (US, India, Asia) and mentoring developers. Also an influential content creator with a 300,000+ views and independently architected and launched a divination platform and an online chess game.
Work Experience
Senior Software Engineer
Mar 2024 - Apr 2025
TAO Digital Solutions
ReactJS · TypeScript · .NET / C# · Node.js · GraphQL · MongoDB · Playwright · Cypress · Monorepo
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Contributed the development of end-to-end features for an automotive repair platform and vehicle tracker system, collaborating with cross-functional teams in the US and India.-
Proactively identified and resolved a backend caching issue, significantly improved the UX of MFA page.-
Collaborated with QA to automate E2E testing workflows, reducing manual QA effort by ~90% (1–2 hrs ➝ 5–10 mins).-
Automated Excel timesheet reporting via TypeScript, reducing manual work 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; collaborated across PST/CST time zones.-
Innovated AWS Lambda deployment automation (with Jira and Fortify & Black Duck integration), slashing release time by over 90% (~1 hr ➝ 3–5 mins).-
Mentored new developers on domain logic, AWS architecture, and Scrum practices, improving team productivity and cohesion; authored technical documentation to support 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/streetlight systems using Python and MQTT for real-time data processing.-
Boosted IoT data processing speed by 80% through Async programming, Redis caching, and database indexing.-
Collaborated with hardware vendors to define integration specs and align software-hardware interfaces.-
Led daily Scrum and mentored engineers through code reviews and technical guidance.
Back-end Engineer
Sep 2018 - Aug 2019
Synergies Intelligent System Inc.
Python · Flask · SQLite
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Built and tested APIs for an AI-driven BI platform (SyGPS) analyzing business operations and sales metrics.-
Supported a Robo-Advisor system for banking clients, contributing to QA/UAT, debugging, and deployment success.
Research Assistant (Intern)
Apr 2017 - Jun 2018
Shih Chien University
Python · SQL · SAS
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Analyzed data from 20 million citizens in a social welfare project with the Ministry of Health and Welfare officials, uncovering socio-economic factors affecting vulnerable families using SAS and SQL.
Website Developer (Intern)
Apr 2016 - Jan 2018
Shih Chien University
Python2 · Django · JavaScript · HTML · CSS
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Designed and built university websites based on stakeholder input, including a campaign site for the Tzu Chi (慈濟) Foundation.
Personal Projects
Miri Robot Fortune-Teller - Architected a full-stack divination platform digitizing 6 fortune-telling methods, supported Google Oauth for user authentication. Next.js · Python · Firestore · TailwindCSS
Banqi Chinese Chess - A self-developed Chinese Banqi chess game supporting single-player with simple AI, real-time multiplayer modes and supported Google Oauth for user authentication.Next.js · Firestore · TailwindCSS
Personal Website & Portfolio - A personal website with 300,000+ views, showcasing articles, projects, and career experiences, optimized for SEO using GA and Lighthouse.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