Ming-Jung Yu

Senior Software Engineer | Full-Stack Python • ReactJS • NextJS • AWS | 5+ Yrs Experience

5+ years of experience delivering scalable applications across Automotive, Healthcare, IoT, and BI sectors, with a 4-year foundation in Backend (Python/AWS) and 2+ years in modern Frontend (React/Next.js). Proficient in Microservices, Monorepo development, and AWS cloud architecture.

Proven track record in resolving critical backend issues to improve UX, reducing manual QA and operational efforts by 90%+ through innovative technical solutions and automated workflows.

Experienced in collaborating cross-functional teams (US, India, Asia), mentoring developers, and translating stakeholder/vendor requirements into technical architecture.

Independently architected and launched a divination platform and an online chess game; also an influential content creator with a 300,000+ views, showcasing strong user-centric design and communication skills.

RELEVANT WORK EXPERIENCE
Senior Software EngineerTAO Digital Solutions
Mar 2024 - Apr 2025
ReactJS, TypeScript, .NET, C#, Node.js, GraphQL, MongoDB, Playwright, Cypress, Monorepo
  • 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 EngineerInnova Solutions Taiwan, LTD.
Feb 2022 - Dec 2023
Python, AWS (Lambda, S3, SQS, SNS), Microservices, Selenium
  • 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 EngineerAcBel Polytech Inc.
Nov 2019 - Mar 2021
Python, PostgreSQL, Redis, MQTT
  • 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 EngineerSynergies Intelligent System Inc.
Sep 2018 - Aug 2019
Python, Flask, SQLite
  • 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)Shih Chien University
Apr 2017 - Jun 2018
Python, SQL, SAS
  • 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)Shih Chien University
Apr 2016 - Jan 2018
Python2, Django, JavaScript, HTML, CSS
  • 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 | Next.js, Python, Firestore, TailwindCSS
Architected a full-stack divination platform digitizing 6 fortune-telling methods with self-designed brand-aligned UI. Imported Google Oauth for user authentication.
Banqi Chinese Chess | Next.js, Firestore, TailwindCSS
Developed a Chinese Banqi chess game supporting single-player (simple AI and same-device) and real-time multiplayer modes. Imported Google Oauth for user authentication.
Professional Technical Blog & Content Hub | Next.js, TailwindCSS
Created and managed a personal website showcasing influential content with 300,000+ views, leveraging SEO and data-driven insights to drive user engagement.
EDUCATION
Shih Chien University Information Technology and Management
  • M.S. (2016 - 2018)
  • B.S. (2011 - 2015)
OTHER
Languages: Chinese (Native), English (Intermediate), Japanese (JLPT N3), Spanish (B1)
Relevant Coursework: AWS Developer Learning Plan (2024)