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Software engineer focused on building end-to-end products that transform real user needs into reliable technical workflows. Experience spans full-stack development and AI systems, with an emphasis on clean architecture, data pipelines, and production-ready user features. Hands-on work includes LLM-driven NLU pipelines, real-time IoT platforms, and distributed web systems, consistently targeting measurable gains in performance, scalability, and reliability. Strong interest in automation and AI systems that safely bridge human interaction with execution workflows. Known for being detail-oriented, collaborative, and curious, with a commitment to continuous learning and thoughtful engineering. Motivated to keep growing while contributing to software that solves meaningful real-world problems.…Software engineer focused on building end-to-end products that transform real user needs into reliable technical workflows. Experience spans full-stack development and AI systems, with an emphasis on clean architecture, data pipelines, and production-ready user features. Hands-on work includes LLM-driven NLU pipelines, real-time IoT platforms, and distributed web systems, consistently targeting measurable gains in performance, scalability, and reliability. Strong interest in automation and AI systems that safely bridge human interaction with execution workflows. Known for being detail-oriented, collaborative, and curious, with a commitment to continuous learning and thoughtful engineering. Motivated to keep growing while contributing to software that solves meaningful real-world problems.

Jinqi Liu

Web Developer, Programmer, Full Stack Developer, +5

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Software engineer focused on building end-to-end products that transform real user needs into reliable technical workflows. Experience spans full-stack development and AI systems, with an emphasis on clean architecture, data pipelines, and production-ready user features. Hands-on work includes LLM-driven NLU pipelines, real-time IoT platforms, and distributed web systems, consistently targeting measurable gains in performance, scalability, and reliability. Strong interest in automation and AI systems that safely bridge human interaction with execution workflows. Known for being detail-oriented, collaborative, and curious, with a commitment to continuous learning and thoughtful engineering. Motivated to keep growing while contributing to software that solves meaningful real-world problems.…Software engineer focused on building end-to-end products that transform real user needs into reliable technical workflows. Experience spans full-stack development and AI systems, with an emphasis on clean architecture, data pipelines, and production-ready user features. Hands-on work includes LLM-driven NLU pipelines, real-time IoT platforms, and distributed web systems, consistently targeting measurable gains in performance, scalability, and reliability. Strong interest in automation and AI systems that safely bridge human interaction with execution workflows. Known for being detail-oriented, collaborative, and curious, with a commitment to continuous learning and thoughtful engineering. Motivated to keep growing while contributing to software that solves meaningful real-world problems.

Available to hire

Software engineer focused on building end-to-end products that transform real user needs into reliable technical workflows. Experience spans full-stack development and AI systems, with an emphasis on clean architecture, data pipelines, and production-ready user features.
Hands-on work includes LLM-driven NLU pipelines, real-time IoT platforms, and distributed web systems, consistently targeting measurable gains in performance, scalability, and reliability. Strong interest in automation and AI systems that safely bridge human interaction with execution workflows.
Known for being detail-oriented, collaborative, and curious, with a commitment to continuous learning and thoughtful engineering. Motivated to keep growing while contributing to software that solves meaningful real-world problems.

Skills

Experience Level

Expert

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Intermediate

Language

English

Fluent

Chinese

Fluent

Work Experience

Software Engineer (Full-Time) at Tianjin Communication & Broadcasting Group Co., Ltd.

June 1, 2024 - June 1, 2024

Designed and implemented an industrial IoT monitoring and alerting platform using Python, FastAPI, and TimescaleDB, enabling real-time telemetry ingestion from 5000+ devices. Built interactive data visualization components with React.js and Echarts, integrating with back-end APIs via Axios for metrics. Designed a hybrid real-time and batch analytics pipeline leveraging FastAPI async ingestion, Redis for low-latency access, and Spark Streaming, accelerating anomaly detection by 30%. Ensured production reliability by containerizing services with Docker and orchestrating deployments via Jenkins CI/CD pipelines, supported by Prometheus monitoring and centralized logging. Integrated an AI-powered troubleshooting chatbot using DeepSeek LLM and ChromaDB, with conversation history persisted in PostgreSQL for accurate multi-turn responses.

Web Developer (Remote) at Tianjin Youli Trading Co., Ltd.

July 1, 2023 - July 1, 2023

Built a distributed web crawling and search system using Python, Redis, ElasticSearch, and Django for scalable data collection and real-time retrieval across multiple crawler nodes. Implemented a Redis-based task queue and pub/sub cluster to coordinate crawling workloads, reducing task latency and improving throughput. Developed asynchronous data processing pipelines for cleansing, transformation, and indexing into ElasticSearch, and exposed Django APIs for full-text search and filtering through a responsive UI.

Software Engineer (Part-Time) at TekoAI (Startup)

December 1, 2025 - Present

Built an end-to-end LLM NLU pipeline using OpenAI Tool Calling with strict JSON Schema and prompt templates for intent/slot extraction; developed RAG-style semantic retrieval with LangChain chunking and vector search; reduced backend queries by ~30% via multi-layer caching; managed GitHub workflows and Agile/Scrum sprint cycles.

Software Engineer (Full-Time) at Tianjin Communication & Broadcasting Group Co., Ltd.

September 1, 2023 - June 1, 2024

Designed and implemented an industrial IoT monitoring and alerting platform using Python, FastAPI, and TimescaleDB in an MVC-based backend architecture, enabling real-time telemetry ingestion from 5000+ devices; built interactive data visualizations with React.js and ECharts; designed a hybrid real-time/batch analytics pipeline with Redis and SparkStreaming; ensured production reliability with Docker, Jenkins CI/CD, and Prometheus; integrated an AI-powered troubleshooting chatbot using DeepSeek LLM and ChromaDB with PostgreSQL history persistence.

Web Developer (Remote) at Tianjin Youli Trading Co., Ltd.

October 1, 2022 - July 1, 2023

Built a distributed web-crawling and search system using Python, Redis, Elasticsearch, and Django; designed Redis-based task queue and pub/sub cluster to coordinate crawling workloads; implemented asynchronous ETL/CDC pipelines from MS SQL Server into Elasticsearch and exposed via Django REST APIs for full-text search.

Frontend Developer (Full-Time) at Tianjin Sunac Softstone Technology Co., Ltd.

July 1, 2021 - September 1, 2021

Built data-heavy Vue.js frontend modules with reusable pagination and responsive layouts, enhancing cross-device UX and navigability.