I’m a software developer based in Dublin, specialising in mobile application development, backend systems, APIs and AI-powered applications. My core skills include Flutter, Java, Python, Firebase, FastAPI, Flask, REST APIs, GraphQL, MySQL and Docker. I have experience developing production mobile features, reusable marketplace systems, backend services, data analytics tools and machine-learning functionality. What differentiates me is my ability to work across the full development lifecycle—from designing and implementing features to testing APIs, identifying edge cases and improving product quality. I have experience in mobile applications, online marketplaces, community platforms, financial analytics and mobile gaming. **Employment and project experience** **Mobile Application Developer Intern** Babylon International *2026 - Present* * Develop production features for a cross-platform Flutter application using Firebase, GraphQL, REST APIs and Provider. * Built reusable marketplace search and filtering functionality for items, jobs and rental listings. * Perform end-to-end QA, regression testing and API validation, identifying edge cases and verifying fixes. **Software Development Engineer Intern** Rastar Interactive Entertainment *June 2024 - September 2024* * Contributed to backend development for an online mobile game using Java, JavaScript, jQuery and AJAX. * Developed a monetisation event with recharge tracking and automated reward distribution. * Improved the internal hotfix management system and supported game and server testing. **Full-Stack Developer – CompanyLens** *March 2026* * Built an AI-powered financial analysis platform using FastAPI, Next.js, SQLite and Docker. * Integrated financial data sources, forecasting models, DCF valuation and AI-generated company reports. * Implemented RAG and tool-calling workflows for financial research and analysis. **Backend and Machine Learning Developer – Splitter** *November 2025 - December 2025* * Developed a RESTful expense analytics service with more than 20 API endpoints using Flask and MySQL. * Built a machine-learning expense categorisation system using TF-IDF and Naive Bayes. * Designed a relational database supporting spending trends, group statistics and settlement tracking.

Jiawei Li

I’m a software developer based in Dublin, specialising in mobile application development, backend systems, APIs and AI-powered applications. My core skills include Flutter, Java, Python, Firebase, FastAPI, Flask, REST APIs, GraphQL, MySQL and Docker. I have experience developing production mobile features, reusable marketplace systems, backend services, data analytics tools and machine-learning functionality. What differentiates me is my ability to work across the full development lifecycle—from designing and implementing features to testing APIs, identifying edge cases and improving product quality. I have experience in mobile applications, online marketplaces, community platforms, financial analytics and mobile gaming. **Employment and project experience** **Mobile Application Developer Intern** Babylon International *2026 - Present* * Develop production features for a cross-platform Flutter application using Firebase, GraphQL, REST APIs and Provider. * Built reusable marketplace search and filtering functionality for items, jobs and rental listings. * Perform end-to-end QA, regression testing and API validation, identifying edge cases and verifying fixes. **Software Development Engineer Intern** Rastar Interactive Entertainment *June 2024 - September 2024* * Contributed to backend development for an online mobile game using Java, JavaScript, jQuery and AJAX. * Developed a monetisation event with recharge tracking and automated reward distribution. * Improved the internal hotfix management system and supported game and server testing. **Full-Stack Developer – CompanyLens** *March 2026* * Built an AI-powered financial analysis platform using FastAPI, Next.js, SQLite and Docker. * Integrated financial data sources, forecasting models, DCF valuation and AI-generated company reports. * Implemented RAG and tool-calling workflows for financial research and analysis. **Backend and Machine Learning Developer – Splitter** *November 2025 - December 2025* * Developed a RESTful expense analytics service with more than 20 API endpoints using Flask and MySQL. * Built a machine-learning expense categorisation system using TF-IDF and Naive Bayes. * Designed a relational database supporting spending trends, group statistics and settlement tracking.

Next availability:
August 14, 2026

I’m a software developer based in Dublin, specialising in mobile application development, backend systems, APIs and AI-powered applications.

My core skills include Flutter, Java, Python, Firebase, FastAPI, Flask, REST APIs, GraphQL, MySQL and Docker. I have experience developing production mobile features, reusable marketplace systems, backend services, data analytics tools and machine-learning functionality.

What differentiates me is my ability to work across the full development lifecycle—from designing and implementing features to testing APIs, identifying edge cases and improving product quality. I have experience in mobile applications, online marketplaces, community platforms, financial analytics and mobile gaming.

Employment and project experience

Mobile Application Developer Intern Babylon International
2026 - Present

  • Develop production features for a cross-platform Flutter application using Firebase, GraphQL, REST APIs and Provider.
  • Built reusable marketplace search and filtering functionality for items, jobs and rental listings.
  • Perform end-to-end QA, regression testing and API validation, identifying edge cases and verifying fixes.

Software Development Engineer Intern Rastar Interactive Entertainment
June 2024 - September 2024

  • Contributed to backend development for an online mobile game using Java, JavaScript, jQuery and AJAX.
  • Developed a monetisation event with recharge tracking and automated reward distribution.
  • Improved the internal hotfix management system and supported game and server testing.

Full-Stack Developer – CompanyLens
March 2026

  • Built an AI-powered financial analysis platform using FastAPI, Next.js, SQLite and Docker.
  • Integrated financial data sources, forecasting models, DCF valuation and AI-generated company reports.
  • Implemented RAG and tool-calling workflows for financial research and analysis.

Backend and Machine Learning Developer – Splitter
November 2025 - December 2025

  • Developed a RESTful expense analytics service with more than 20 API endpoints using Flask and MySQL.
  • Built a machine-learning expense categorisation system using TF-IDF and Naive Bayes.
  • Designed a relational database supporting spending trends, group statistics and settlement tracking.
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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Fluent
Chinese
Fluent

Work Experience

Mobile App development Intern at BabyLon Radio
May 1, 2026 - Present
Built production Flutter features using Firebase, GraphQL, REST APIs, Provider, and Google Calendar integration. Engineered a reusable marketplace search and filtering system with multi-criteria filters, pagination, sorting, and persistent state. Performed QA testing including regression testing, API validation, automated workflows, and identified edge cases.
Software Development Engineer Intern at Rastar Interactive Entertainment Co., Ltd.
May 1, 2024 - September 1, 2024
Contributed to back-end development of online mobile games (X iY ou) using Java, JavaScript, Git, jQuery and AJAX. Designed and implemented a “Special Offer” monetization event integrating recharge tracking and reward distribution logic to increase player engagement and revenue. Improved hotfix management system by creating a server to upload and deploy hotfixes, achieving 4x faster resolution of real-time issues.
Software Development Engineer Intern at Guangzhou Frontop Computer Graphics Technology Co., Ltd.
May 1, 2023 - September 1, 2023
Developed internal intranet tools using Spring Boot and MongoDB, building RESTful APIs to support cross-department workflows. Optimized queries and configuration features by indexing across 12+ endpoints, reducing average API response times by 35%. Built an automated report generation module consolidating data from 5 microservices, saving about 4 hours of manual effort per week.

Education

M.Sc. in Computer Science at University College Dublin
September 1, 2025 - September 1, 2026
B.Sc. in Software Engineering at Macau University of Science and Technology
September 1, 2021 - August 1, 2025

Qualifications

Dean’s Honors List of Faculty of Innovation Engineering (Reward)
January 1, 2022 - July 24, 2026
Second Class Honors (First Grade) - GPA 3.35/5
January 1, 2025 - July 24, 2026
First Class Honors - GPA 3.57/4.0
January 1, 2025 - July 24, 2026
2022-2023 Dean’s Honors List of Faculty of Innovation Engineering
January 1, 2022 - January 1, 2023

Industry Experience

Software & Internet, Gaming, Computers & Electronics, Education, Healthcare, Financial Services