Hey! I am

James Guo

I'm a

About

About Me

I am a senior software engineer with a demonstrated history of working in various industries, including eCommerce, finance, telecommunications, healthcare, and many others. My experience with full-lifecycle work across multiple fields makes me a valuable asset to any team. I have also gained valuable experience working with startups, launching new projects from scratch. I possess a deep understanding of both front-end and back-end technologies and am a fast learner with a passion for technology and innovation.

Education

2012-2016

Lublin University of Technology

Bachelor of Science in Computer Science

Experience

06/2022-10/2024

Senior Full Stack Engineer

Simform

• Developed and maintained high-quality software by adding features, fixing bugs, and writing unit and e2e tests to ensure robust code and system functionality.

• Made crucial decisions regarding tech stack and system design that had a significant impact on the success of the product.

• Led a team of 5 people in Agile development work, coordinating tasks and ensuring timely delivery of highquality software solutions.

05/2021-05/2022

Senior Full Stack Engineer

Gigatron

• Revamped the outdated legacy application to a modern microservices-based application, increasing the application's performance by 50%.

• Led the admin and enterprise web portal development, optimizing modules and resolving bugs in the feature-rich eCommerce platform.

• Conducted system performance analysis and optimization to enhance scalability, reliability, and security.

05/2020-04/2021

Full Stack Engineer

Prevess

• Spearheaded the development of an AI-powered healthcare platform to analyze health data and deliver customized nutrition plans.

• Utilized secure APIs and interoperability standards to ensure smooth integration with healthcare systems and electronic health records.

• Conducted code reviews and collaborated on developing reusable and sustainable solutions.

03/2018-04/2020

Full Stack Enginer

Andersen Lab

• Reviewed multiple existing web pages, programs and mobile apps to locate and fix bugs and implement enhancements to improve speed and functionality.

• Adopted engineering best practices and delivered the highest quality scalable solutions.

• Involved in Requirements gathering, Analysis, Design, Development, and Testing of the application in Agile Scrum.

08/2016-03/2018

Web Developer

Andersen Lab

• Worked on the multiple software projects simultaneously and participated in the whole software development process from design to implementation and delivery.

• Tested and updated existing software and using own knowledge and expertise made improvement suggestions.

• Learned multiple threading, concurrency, design patterns, and their impacts on application concurrency.

Projects

Projects

Trolly.ai
React
Flask
FastAPI
MongoDB
Stripe
AWS
Trolly.ai is an AI-powered content creation tool that helps users write professional SEO articles 2x faster. It utilizes the power of artificial intelligence to write faster, boost creativity, and help users dream bigger. - Integrated AI tools for summaries, grammar checks, curation, and segmentation. - Developed RESTful APIs with FastAPI for efficient data handling. - Enabled direct publishing to WordPress via API integration.
Canvas Print Studio
React
Next.js
Jasmine
Node.js
Nest.js
PostgreSQL
MongoDB
GraphQL
Canvas Print Studio is an Australian printing studio located in Melbourne, Victoria, and has been printing photographs, pictures, and commercial images on canvas. - Developed an administrative panel for website management. - Implemented online payment systems via PayPal and Braintree. - Integrated ordering and delivery options through the website.
HelloTax
Vue.js
Laravel
MySQL
AWS
MailChimp
RESTful API
HelloTax is a high-security risk product designed to automate VAT calculations, reports, and filings for online sellers expanding into or within Europe. - Created a Vue.js frontend and Laravel backend for seamless interaction. - Designed and deployed the Digital Registration application. - Developed the Tax Letter Inbox for managing tax communications.
MDandME
React
Django
LLM
LangChain
Stripe
MongoDB
AWS
MDandMe is an AI healthcare platform from AuxHealth that provides continuous support and clarity enhancing patient care and access. - Built responsive, user-friendly healthcare interfaces. - Integrated AI/LLMs for personalized healthcare recommendations.
Robustswap
React
Next.js
Node.js
Express.js
Web3.js
MongoDB
A hyper-deflationary decentralized exchange with yield farming designed to optimize profitability. - Built responsive and user-friendly decentralized exchange interfaces using React and Next.js. - Integrated frontend with Web3.js for blockchain interactions. - Developed and maintained APIs using Node.js and Express.js to handle decentralized exchange operations.