Hi, I'm Tong — a full-stack software engineer with hands-on experience across the entire product lifecycle, from system architecture and backend development to frontend engineering, infrastructure, deployment, and on-site delivery. I specialize in building scalable web platforms and cloud-native services, with a strong focus on reliability, performance, and clean engineering. Over the past few years, I have worked on data-intensive systems, SaaS platforms, IoT device connectivity, and enterprise software for both internal teams and real-world commercial environments. I enjoy turning ideas into production-ready products — designing the architecture, writing code across the stack, integrating services, optimizing databases, setting up CI/CD pipelines, and deploying to Linux servers or Docker-based environments. My work doesn’t end at shipping code — I also handle system rollout, troubleshooting, monitoring, and maintenance to ensure smooth delivery and stable operation.

Hi, I'm Tong — a full-stack software engineer with hands-on experience across the entire product lifecycle, from system architecture and backend development to frontend engineering, infrastructure, deployment, and on-site delivery. I specialize in building scalable web platforms and cloud-native services, with a strong focus on reliability, performance, and clean engineering. Over the past few years, I have worked on data-intensive systems, SaaS platforms, IoT device connectivity, and enterprise software for both internal teams and real-world commercial environments. I enjoy turning ideas into production-ready products — designing the architecture, writing code across the stack, integrating services, optimizing databases, setting up CI/CD pipelines, and deploying to Linux servers or Docker-based environments. My work doesn’t end at shipping code — I also handle system rollout, troubleshooting, monitoring, and maintenance to ensure smooth delivery and stable operation.

Available to hire

Hi, I’m Tong — a full-stack software engineer with hands-on experience across the entire product lifecycle, from system architecture and backend development to frontend engineering, infrastructure, deployment, and on-site delivery.
I specialize in building scalable web platforms and cloud-native services, with a strong focus on reliability, performance, and clean engineering.
Over the past few years, I have worked on data-intensive systems, SaaS platforms, IoT device connectivity, and enterprise software for both internal teams and real-world commercial environments.
I enjoy turning ideas into production-ready products — designing the architecture, writing code across the stack, integrating services, optimizing databases, setting up CI/CD pipelines, and deploying to Linux servers or Docker-based environments.
My work doesn’t end at shipping code — I also handle system rollout, troubleshooting, monitoring, and maintenance to ensure smooth delivery and stable operation.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Work Experience

CTO & Full-Stack Engineer at TBBID
March 1, 2025 - October 28, 2025
Led the end-to-end design and development of TBBID, an AI-driven bidding data analysis platform for the construction industry. Built a distributed Scrapy-based crawler cluster with anti-bot mechanisms, collecting over 10,000 records daily and managing 5M+ structured entries. Designed a Django RESTful API with token authentication, fuzzy search, multi-level filters, and paginated endpoints with response times under 200ms. Created a modern React 18 frontend with ECharts visualizations, enabling smart search, company profiling, and bid analysis dashboards that increased user efficiency by 30%+. Optimized relational data models for multi-dimensional analytics and implemented CI/CD pipelines with Docker deployment and automated testing, achieving 99.9% uptime and reducing release errors by over 50%.
CTO & Full-Stack Engineer at Trace Hotel Management Ltd.
October 1, 2024 - October 28, 2025
Led IT infrastructure and digital transformation across 15+ hotel branches. Evaluated and integrated a third-party PMS, connecting it with an in-house mini-program, cashier system, and OTA channels (Meituan, Ctrip); improved order conversion by 30% and sustained high-concurrency operations. Built a data backup consistency verification module to ensure data integrity. Created a unified BI platform aggregating revenue, refunds, and user ratings, with automated anomaly detection via DingTalk alerts to intercept 100+ financial risks in advance. Developed a gamified employee incentive system inspired by gaming tiers, boosting store-level positive reviews by 22% and enhancing engagement and service consistency.
Software Engineer at Huawei
September 1, 2024 - September 1, 2024
Core developer in Huawei Continue Data Protection team, contributing to data storage backup and host disaster recovery features. Implemented millisecond file-level recovery under continuous data protection, disk recovery functionality, and support for Linux/Windows disk formats. Developed a data backup consistency verification tool to prevent data exposure. Reconfigured the microservice communication framework to enable secure two-way authenticated and encrypted inter-service communication. Developed four tools that significantly improved team efficiency, achieving broad adoption.
Recommendation Algorithm Engineer at LightInTheBox
December 1, 2020 - December 1, 2020
Contributed to the development of an image search and recommendation system. Built an image search engine by extracting latent features with VGG-16 and storing vectors in Milvus. Managed product images stored in Amazon S3 and performed weekly batch updates.
Lead Engineer & Full-Stack Developer at LexiDraft – AI Contract Review Platform
October 1, 2025 - Present
Designed and launched a production-grade AI contract review SaaS, covering contract ingestion, AI analysis, billing, and admin tooling on a FastAPI + React + PostgreSQL stack. Owned end-to-end architecture of a FastAPI backend with PostgreSQL and Redis/Celery workers, defining domain modules and API contracts. Built a secure contract ingestion pipeline for PDF/DOCX and orchestrated chunked GPT/DeepSeek calls with retry/backoff and structured JSON outputs. Developed a dark, responsive SPA with React 18, Vite, Tailwind CSS, and react-pdf, including PDF preview, annotation filtering, pricing/checkout flows, and authenticated dashboards tied to backend APIs. Integrated Stripe-based subscription billing with robust error handling and idempotent webhook processing. Containerized core services with Docker Compose (PostgreSQL, Redis), deployed backend via Gunicorn+Uvicorn over HTTPS, adding health checks, CORS/SSL hardening, and performance/load-test playbooks.
Lead Engineer & Full-Stack Developer at IoT & Operations Management Platform
April 1, 2025 - September 1, 2025
Designed and implemented a microservices-based EV charging IoT platform, integrating device telemetry, alerting, analytics, and interactive dashboards. Developed real-time monitoring via EMQX (MQTT) + WebSocket/STOMP, enabling second-level device visualization. Architected Spring Cloud Gateway + Eureka for unified routing, authentication, and rate limiting. Modeled transactional data in PostgreSQL and time-series metrics in InfluxDB, optimizing high-frequency queries. Integrated RabbitMQ for async alert and analytics pipelines; added Actuator metrics for observability. Built responsive dashboards using React 18, Ant Design 5, and Redux Toolkit; deployed full stack via Docker Compose.
Software Engineer at Huawei Technologies Co., Ltd.
May 1, 2023 - October 1, 2024
Core developer in Huawei’s Continuous Data Protection (CDP) division, delivering advanced backup and disaster recovery features. Led design and implementation of point-in-time file-level recovery, supporting major Linux and Windows disk formats; optimized recovery flow achieving 80%+ performance gain. Developed backup consistency verification for management data, enhancing disaster recovery integrity and preventing tampering. Refactored the internal microservice communication framework, enabling secure mutual authentication and encrypted inter-service communication. Built three internal automation tools, increasing team efficiency and saving over 3 person-months.

Education

Master of Science in Electrical and Computer Engineering at University of Southern California
March 1, 2021 - December 1, 2022
Bachelor of Engineering in Computer Engineering at Northern Arizona University
September 1, 2019 - May 1, 2020
Bachelor of Engineering in Electronic Information Engineering at Chongqing University of Posts and Telecommunications
September 1, 2016 - July 1, 2019
Master of Science in Electrical and Computer Engineering at University of Southern California
March 1, 2021 - December 1, 2022
Bachelor of Engineering in Computer Engineering at Northern Arizona University
September 1, 2019 - May 1, 2020
Bachelor of Engineering in Electronic Information Engineering at Chongqing University of Posts and Telecommunications
September 1, 2016 - July 1, 2019

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services, Computers & Electronics