Jiaming Liang Email & Phone Number

中国 广西壮族自治区 南宁

In August 2022, I transitioned to become an IoT (Internet of Things) Development Engineer. In this role, I led the development of the company's data collector, IoT gateway, and data collection platform.Serial Data Collector Development:Developed a serial data collector based on ESP32 and Arduino, using a 2-layer circuit board designThe device integrates a serial barcode scanner to obtain sample numbers, which are then transmitted to the IoT gateway via MQTTIoT… Show more In August 2022, I transitioned to become an IoT (Internet of Things) Development Engineer. In this role, I led the development of the company's data collector, IoT gateway, and data collection platform.Serial Data Collector Development:Developed a serial data collector based on ESP32 and Arduino, using a 2-layer circuit board designThe device integrates a serial barcode scanner to obtain sample numbers, which are then transmitted to the IoT gateway via MQTTIoT Gateway Design and Development:Designed and developed a Linux-based IoT data gateway using the D213ECV core and a 4-layer circuit boardInvolved in the entire process from PCB design to final system image compilation using BuildrootSet up a data cleansing platform using Node-RED to push collected data to the central systemDeveloped customized Node-RED plugins using Node.js to meet specialized requirementsData Collection Management Platform Development:Independently developed a comprehensive data collection management platformUsed technologies including Golang, Gofiber, Asynq, GORM, PostgreSQL, and PythonFront-end in Svelte+Tailwindcss, back-end with PostgreSQL databaseAllows defining custom data parsing rules to extract structured data from user-uploaded documentsProvides a public API for third-party systems to push documents for data parsingTriggers asynchronous task queues to process data parsing and store results in the databaseSensor Data Management Platform Development:Independently developed a sensor data management platform for temperature, humidity, and hazardous gas sensor dataUsed Golang, Gofiber, Asynq, GORM, MQTT, InfluxDB, PostgreSQL, and GrafanaFront-end in Svelte+Tailwindcss, back-end with PostgreSQL databaseAllows administrators to add sensor types and data formats, storing data in InfluxDB for Grafana visualizationProvides alarm thresholds with email and SMS notifications when reached Show less

中国 广西壮族自治区 南宁

In August 2022, I took on the additional role of the company's Server Administrator.Key Contributions:System Administration- Installed, maintained, and supported Linux-based servers, ensuring critical services ran stably and securely- Deployed and configured Windows workstations for end-users, providing ongoing technical support- Performed regular hardware maintenance, upgrades, and replacements for office computersDatabase Management- Designed and… Show more In August 2022, I took on the additional role of the company's Server Administrator.Key Contributions:System Administration- Installed, maintained, and supported Linux-based servers, ensuring critical services ran stably and securely- Deployed and configured Windows workstations for end-users, providing ongoing technical support- Performed regular hardware maintenance, upgrades, and replacements for office computersDatabase Management- Designed and implemented a robust MySQL database backup strategy using cron and mysqldump- Leveraged rclone to automatically push database backups to remote object storage for off-site data protectionVirtualization and IT Resource Management- Utilized Proxmox VE to manage the organization's virtual machine resources, enabling efficient IT infrastructure utilization- Participated in the procurement, assembly, and deployment of new server hardware- Set up the company's internal network and VPN to facilitate seamless remote access and collaborationThrough these initiatives, I demonstrated strong capabilities in Linux and Windows system administration, database management, and virtualization technologies. My core technical expertise includes:Core Skills:- Linux system administration (CentOS, Ubuntu)- Windows system deployment and support- MySQL database management and backup- Virtualization (Proxmox VE)- Network and VPN configuration- Hardware maintenance and procurementI take pride in my ability to ensure the stability and reliability of mission-critical IT systems, while proactively optimizing infrastructure utilization and implementing robust data protection measures. My adaptability and problem-solving skills allow me to effectively support the organization's evolving technology needs. Show less

中国 广西壮族自治区 南宁

Responsible for requirement analysis, system design, and technical solution development for the company's various projects.Key Contributions:- Conducted on-site investigations and utilized requirement modeling techniques to deeply understand client business characteristics and pain points- Collaborated with product designers to translate requirements into interactive prototypes, ensuring alignment between design and implementation- Performed comprehensive competitor analysis… Show more Responsible for requirement analysis, system design, and technical solution development for the company's various projects.Key Contributions:- Conducted on-site investigations and utilized requirement modeling techniques to deeply understand client business characteristics and pain points- Collaborated with product designers to translate requirements into interactive prototypes, ensuring alignment between design and implementation- Performed comprehensive competitor analysis to assess market trends and benchmarks, providing valuable insights for solution development- Authored detailed system technical solutions and implementation plans based on client requirements and industry standards- Actively participated in the project delivery process, tracking key items such as requirement change management and issue resolutionCore Skills:- Requirement analysis and business process modeling- User interface prototyping and design collaboration- Competitive product evaluation and benchmarking- Technical solution development and documentation- Project management and deliveryThrough these experiences, I have demonstrated strong capabilities in understanding client needs, designing innovative solutions, and driving successful project implementation. I am well-versed in utilizing various requirement analysis and design methodologies to deliver high-quality information systems that meet client expectations. Show less

中国 广西壮族自治区 南宁

Responsible for user requirement analysis, technical solution design, software implementation, and Linux server configuration.Key Project Experiences:LIMS Implementation for Wuhan Zhongzhibo Testing (2019 - 2020)- Conducted in-depth business process investigation and requirement analysis- Leveraged low-code platform to build and optimize business forms, workflows- Developed customized data analysis reports using JavaScript and SQL- Delivered differentiated… Show more Responsible for user requirement analysis, technical solution design, software implementation, and Linux server configuration.Key Project Experiences:LIMS Implementation for Wuhan Zhongzhibo Testing (2019 - 2020)- Conducted in-depth business process investigation and requirement analysis- Leveraged low-code platform to build and optimize business forms, workflows- Developed customized data analysis reports using JavaScript and SQL- Delivered differentiated training programs for users of different rolesControlled Drugs Detection System for Public Security Bureau (2020 - 2021) - Served as technical expert, authored detailed solution covering requirements, design, implementation, and training- Refined sub-system requirements through stakeholder interviews- Leveraged low-code platform to quickly build the first version system- Completed system deployment on CentOS Linux using Docker containers- Provided comprehensive system training and technical handoverKey Skills:- Requirement analysis and solution design- Software development on low-code platforms- Linux server installation and configuration using Docker- Data analysis and report development using JavaScript and SQLThrough these implementation experiences, I have demonstrated outstanding capabilities in requirement analysis, solution design, system development, and delivery. I possess strong technical skills in Linux server management, enabling me to provide high-quality IT solutions. Show less

中国 广西壮族自治区 南宁

Spectrophotometer Operation for Sample AnalysisOperate visible light spectrophotometers to perform sample analysis, ensuring the accuracy and reliability of analysis resultsInvolved in the experimental analysis of pH, conductivity, ammonia nitrogen, total phosphorus, total nitrogen, turbidity, fluoride,Laboratory Instrument ManagementServe as the laboratory instrument administrator, responsible for daily maintenance, periodic inspections, and calibration/verification of… Show more Spectrophotometer Operation for Sample AnalysisOperate visible light spectrophotometers to perform sample analysis, ensuring the accuracy and reliability of analysis resultsInvolved in the experimental analysis of pH, conductivity, ammonia nitrogen, total phosphorus, total nitrogen, turbidity, fluoride,Laboratory Instrument ManagementServe as the laboratory instrument administrator, responsible for daily maintenance, periodic inspections, and calibration/verification of instrumentsSample ManagementAct as the sample management administrator, establishing and maintaining a sample information ledgerReceive, distribute, and manage samples to ensure sample traceability and data integrity Show less

中国 广西壮族自治区 南宁

Collect and transport environmental samples, including air, water, wastewater, and soilConduct on-site environmental noise and organized exhaust gas monitoring

学士学位, Environmental/Environmental Health Engineering

陶瓷艺术设计