Software Engineer Customer Support

Wenting Liao

339-***-**** ****.****@************.*** Linkedin Github Portfolio

SUMMARY

Full-Stack Software Engineer M.S. in Computer System Engineering Candidate (Expected to graduate in Dec 2025)

· Hands-on experience across the entire software development lifecycle, from UX design to full-stack implementation and CI/CD.

· Proven ability to deliver high-impact results, including enhancing user engagement by 35%, improving API performance by 30%, and reducing customer support time by 40%.

· Self-driven fast learner with excellent communication and adaptability, capable of creating value in new environments.

· Strong enthusiasm to Web3 technology and solid foundation about DeFi PROFESSIONAL EXPERIENCES

Swapt May 2025 - Aug 2025

Software Engineer Intern United States

• Drove a 10% conversion lift by architecting and launching a new promotion code system to power targeted marketing campaigns.

• Optimized PostgreSQL schemas and queries, reducing query volume by 50%, boosting API response by 30%.

• Reduced internal toil and sped up debugging by building a session impersonation tool for the admin dashboard that cut customer support resolution time by 40%.

• Integrated Shopify API by implementing OAuth 2.0, streamlining user authentication and enhancing security.

• Prepared the Shopify-version app for submission, ensuring 100% compliance with App Store requirements. CareerGPT Dec 2024 - Apr 2025

AI Full Stack Engineer Intern United States

• Rebuilt the landing page using React, Redux, and Figma, improving user engagement by 35% and render performance by 50%.

• Architected a high-availability, fault-tolerant chat and notification system with Redis, Socket.io, Kafka, increasing message delivery rate by 75%.

• Designed high-performance backend services with FastAPI and GraphQL to support GEMINI content extraction, eliminating processing bottlenecks and enabling real-time data availability.

• Accelerated deployment frequency by 5x by solely integrating Docker, GitHub Actions and GCP into a scalable CI/CD pipeline.

• Optimized the user authentication workflow using Redis and SMTP email service, cutting database read operations by 20%. EDUCATION

Northeastern University Sep 2023 - Dec 2025

Master of Engineering, Computer System Engineering Boston, US

• GPA: 3.9/4

• Coursework: Web Design/User Experience Engineer, Web Development Tools & Methods, Program Structure & Algorithms, Concepts of Object-Oriented Design, Data Management and Database Design, LLM Practical&Theory, Game Development Sun Yat-sen University Sep 2019 - Jul 2023

Bachelor of Engineering Guangdong, China

• GPA: 3.5/4

• Coursework: AI and Machine Learning, Linear Algebra, Data Analysis and Visualization, Computer Vision TECHNICAL SKILLS

• Languages: JavaScript, Python, Typescript, Java, C++, C#, SQL, GO

• Frontend: React, Next.js, Tailwind CSS, Material UI, shadcn/ui, Vite, html, CSS, Figma, Webpack, Redux, React Native

• Backend: Node.js, Bun, Express, Nest.js, FastAPI, RESTful APIs, GraphQL, gRPC, Microservices

• Database & Caching: MySQL, MongoDB, PostgreSQL, SQLite, Redis, DuckDB, Prisma, Drizzle

• Cloud & DevOps: Linux, Docker, Git, CI/CD, AWS, GCP, Heroku, Vercel, Cloudflare, GitHub Actions, Kubernetes

• Key Tools & Platforms: Agile Methodology, Kafka, WebSockets, Web RTC, RTMPs, Stripe, Virtual Machine, SaaS, SMTP

• Data Science & AI: NumPy, Pandas, PowerBI, Matplotlib, PyTorch, TensorFlow, scikit-learn, LLMs, OpenAI, GEMINI ACADEMICAL PROJECTS

NewTube Next.js, PostgreSQL, shadcn/ui, Drizzle ORM, tRPC View on Browser Feb 2025 - Apr 2025

• Developed a YouTube-like live streaming platform by Next.js with real-time chat and streaming, video uploads, user subscriptions, blockings, and content moderation, delivering a seamless, feature-rich user experience.

• Used Mux for stream and video service, Stream.io for real-time chatting, Clerk for authentication, Pusher for Pub/Sub.

• Developed non-blocking AI content generation using OpenAI API and QStash for reliable background processing. Ecommerce Website MERN, Kafka, Redis, TensorFlow, Docker, Nginx Apr 2025 - Aug 2025

• Developed a comprehensive e-commerce microservices platform features multi-role management, real-time chat powered by Apache Kafka, Al-powered recommendations based on TensorFlow.js, and Stripe payment integration.

• Built with Express microservices, Next.js frontends, MongoDB, Redis and AWS deployment with Docker and Nginx. Chatter React, Nestjs, GraphQL, AWS, WebSocket View on Browser Sep 2024 - Oct 2024

• Built a real-time chat application to enable instantaneous, multi-user messaging and profile management.

• Used NestJS with GraphQL, MongoDB, JWT authentication, and WebSocket subscriptions on the backend, paired with React, Apollo Client, Material-UI on the frontend and deployed with AWS services (e.g. Amplify, EC2, Cloud Front).

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