Senior Full-Stack Web Developer (React/TypeScript/C#.Net/Python)

Jackey Chen

Full Stack Developer

Queens County, USA

SUMMARY

A highly experienced and creative web front-end developer with 7 years’ experience in a variety of exciting projects. A level head and rational approach to problem solving combined with a passion for innovative and fresh ideas has led to a portfolio of impressive website solutions. Technically competent and industry aware means that each project is undertaken with the most up-to-date and relevant programming foundations available.

Key Skills & Tech Expertise:

- Frontend Technologies:

• React.js/Next.js, Angular/Rx.js, Vue.js/Nuxt.js, React Native

• JavaScript/TypeScript, HTML5, CSS3, TailwindCSS

• Responsive Web Design, Component-Based UI

- Backend Development:

• Node.js, Express.js, Python, Django, C#/ASP.Net, PHP/Laravel, Golang

• RESTful APIs & GraphQL

• Authentication, Authorization & Security

- Databases & Cloud:

• PostgreSQL, MongoDB, MySQL

• Database Design, Query Optimization

• Cloud: AWS, Azure

- Machine Learning & LLMs:

• RAG (Retrieval-Augmented Generation)

• OpenAI API, DeepSeek, GPT-4

• Computer Vision (CV), Natural Language Processing (NLP)

- Soft Skills:

• Strong Communication Skills

• Collaborative Team Player

• Problem Solver & Critical Thinker

• Adaptability in Agile & Scrum Environments

What I Offer:

• Custom Web Applications: From the front-end to backend, I provide end-to-end solutions tailored to your needs.

• Machine Learning Solutions: Implement ML algorithms to enhance user experience, predictive analytics, and intelligent automation.

• Database Optimization & Management: Efficient database design, query performance tuning, and scalable database solutions.

• API Integration & Custom Features: Seamless third-party integrations and API development to enhance functionality.

• Scalable & Secure Applications: Leveraging best practices to build secure, scalable, and high-performance web applications.

Work Experience

Senior Software Engineer

Momnt — October 2023 – January 2025

Developed and maintained dynamic, high-performance web applications using Next.js and React.js, with a strong focus on scalability and responsiveness.

Built and optimized scalable Django backend APIs, managing authentication, business logic, and third-party integrations.

Designed efficient PostgreSQL database schemas, implemented query optimizations, and ensured data integrity across services. Implemented CI/CD pipelines using Docker, streamlining deployment processes across staging and production environments. Practiced Test-Driven Development (TDD) with PyTest and Jest, ensuring robust test coverage and high code quality.

Worked cross-functionally with product, design, and QA teams to deliver features in agile sprints.

Full Stack Developer

Masterschool — July 2022 – August 2023

Optimized Angular front-end components for performance, responsiveness, and smooth user interactions across devices.

Designed and integrated AI-powered Computer Vision models for tasks such as image recognition and analysis.

Followed clean code principles and best practices to ensure scalable, maintainable, and readable code throughout the application lifecycle. Collaborated with cross-functional teams to implement full-stack features and improve overall platform reliability.

Conducted code reviews and contributed to improving team standards and technical documentation.

Frontend Developer

Arch Labs — February 2019 – April 2022

Developed pixel-perfect, responsive UIs using modern front-end technologies, ensuring seamless performance across desktop and mobile devices. Implemented SEO best practices to significantly improve search engine visibility and organic traffic.

Contributed to scaling multiple early-stage products from MVP to production, leveraging fast-paced startup experience and a hands-on, adaptable approach.

Collaborated closely with designers and backend engineers to maintain design consistency and efficient data integration. Optimized front-end code for performance and maintainability, adhering to modern web standards and accessibility guidelines. Frontend Developer

Fairmint — May 2018 – January 2019

Developed and maintained scalable frontend applications using React.js and Next.js, focusing on performance, SEO, and responsive design. Created a consistent and elegant user interface with Semantic UI, ensuring high usability across devices and browsers.

Collaborated closely with backend to integrate APIs and data services into the frontend architecture.

Optimized frontend performance using code-splitting, lazy loading, and SSR techniques with Next.js.

Actively contributed to UI/UX improvements, debugging, and feature planning in an agile development environment.

Education

Queens College, City University of New York (2017 - 2021) Bachelor of Science (BS), Computer science

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