Jinyu Chen16 Years Full-stack engineer who ships from pixel to cloud.

rewardstyle · Dallas, TX · Jun 2018 – Sep 2019

Distributed Systems, RESTful APIs, AuthN/AuthZ, Data Engineering, ETL Pipelines, Data Lake, Cloud Infrastructure, CI/CD, Observability, Cloud-Native Architecture, Scalability & Reliability Engineering

• Software Engineer specializing in scalable distributed systems using Golang, Python, Java, and Node.js across backend, data, and platform engineering stacks.
• Designed and built secure, high-performance REST APIs and microservices with Authentication & Authorization (AuthN/AuthZ) and token-based security models.
• Strong experience in cloud-native architecture on AWS, including EC2, S3, Lambda, EventBridge, and containerized deployments with CI/CD automation.
• Built large-scale data platforms with ingestion pipelines, ETL workflows, and data lake architectures using Glue, Redshift, Cassandra, and MySQL.
• Implemented end-to-end observability and reliability systems using Prometheus, CloudWatch, and Datadog, improving system stability and operational visibility.

SiSTeR Technologies · Addison, TX · Jun 2016 – Jun 2018

Django REST APIs feeding Elasticsearch and S3; AngularJS frontends; Java Spring Boot microservices on EC2.

• Designed and developed reusable Python libraries and Django REST APIs to ingest, transform, and store large-scale datasets in Elasticsearch and Amazon S3, improving data accessibility and search performance.
• Engineered responsive AngularJS applications with AJAX-based integrations and RESTful APIs, delivering dynamic, user-centric interfaces.
• Architected and implemented scalable Java Spring Boot microservices following REST and DDD principles, deployed on AWS EC2 with Nginx/Gunicorn for high availability and performance.
• Built end-to-end backend systems including API design, data pipelines, authentication, performance optimization, CI/CD automation, and AWS-based cloud infrastructure.

Symantec Chengdu R&D Center · Chengdu, China · Dec 2012 – Apr 2015

PHP Symfony apps, REST APIs for test automation, Selenium suites, Jenkins CI/CD, and internal Python training.

• Full-stack engineer with experience delivering scalable web applications using PHP Symfony and RESTful API architectures supporting automation and QA workflows.
• Built and maintained Selenium-based automated testing frameworks and optimized data processing using MSSQL stored procedures for XML-heavy workloads.
• Experienced in designing and operating CI/CD pipelines with Jenkins, improving deployment reliability, release velocity, and engineering efficiency.
• Strong advocate for engineering best practices, including delivering internal Python training and presenting CI/CD methodologies at industry conferences.

Tieto Information Technology · Chengdu, China · Jan 2009 – Dec 2012

Python libraries and test frameworks for Java/QT; QT mobile and Java SWT desktop apps; Ruby UI automation under Jenkins.

• Developed reusable Python libraries and automated testing frameworks for Java and Qt-based applications, improving test efficiency and maintainability.
• Built desktop and mobile applications using Qt (C++) and Java SWT, delivering stable cross-platform UI solutions for enterprise systems.
• Created Ruby-based UI automation frameworks for Qt applications, integrated with Jenkins CI/CD pipelines and Robot Framework for continuous testing.
• Collaborated in Agile teams, contributing to sprint delivery and tracking work progress using JIRA for structured project execution.