# Sean Hsu > Software engineer in Radiant Security Location: Pleasanton, California, United States Profile: https://flows.cv/seanhsu - Experienced backend software development engineer with management and architect experience. - Strong engineering professional skilled in AWS technologies, microservices, data pipelines (ETL and analysis), DevOps (CI/CD pipelines and test automations). - Strong engineering team management experience using scrum methodology and SDLC. ## Work Experience ### Senior Software Engineer @ Radiant Security Jan 2025 – Present | Pleasanton, California, United States ### Principal Software Engineer @ AmplifyBio Jan 2022 – Jan 2025 | South San Francisco, CA - Collaborate with internal research and operation teams to formalize the software requirements. - Architect and implement data pipelines using various AWS services based on the collaboration with internal research and operation teams: * The architecture is based on the design done during the previous job with additional enhancement. * Used for integrating different SaaS systems that the company uses: LIMS (Benchling), MES (Apprentice), CRM (Salesforce), ERP (Netsuite), asset management system (Blue Mountain RAM) and label printing servers (Bartender). (Salesforce), ERP (Netsuite), asset management system (Blue Mountain RAM) and label printing servers (Bartender). * Used for executing bioinformatics predictions and analysis. - Create CI/CD pipelines for the data pipelines via Github Actions. - Build the monitoring system using AWS cloudwatch dashboard. - Develop a Generative AI application using AWS Bedrock along with other AWS services, such as S3 and OpenSearch. - Use Benchling as the platform to manage samples and build applications of QC lab assays. Advanced features are used, for example, Benchling Connect, event handlers, AppCanvas, Notebook Templates and Workflows. - Build a test automation framework, integrated with Jira via X-ray, for the developed applications to satisfy quality assurance requirements. ### Principal Software Engineer @ PACT Pharma Jan 2020 – Jan 2022 | South San Francisco, California, United States Architect and build an enterprise-wide data management system to guarantee the data integrity of all clinical trial patients with microservice architecture: - Build ETL pipelines for data from clinical sites, research labs, and manufacturing facilities, using Apache NIFI, AWS SQS/SNS/Kinesis/Lambda, and in-house microservices. Data sources can be local file systems, AWS S3 buckets, lab instruments, and foreign systems such as LIMS. - Store data in AWS S3, Databricks or relational database, depending on the data volume, data format and use cases. - Design and build GraphQL APIs to expose data. - Build applications to monitor the progress of any clinical trials. - Operate the system on Kubernetes of AWS (EKS). - Build a Jenkins server to manage CI/CD process. ### Sr. Software Development Engineer @ Hitachi Vantara Jan 2018 – Jan 2020 | San Francisco Bay Area Build end-to-end Industrial IoT applications, including data collection, analysis, and decision making using microservice architecture and open source technologies. Initial release has been running on customer site for several months without downtime. Product is currently under a 3-month release cadence. Two major on-premises versions were released. - Work with PMs/POs/Architect to define the detail requirements. - Work with UI and UX teams to define the best API support for front end display. - Work with data science team to productize the data analytics and predictive algorithms. - Lead the detail design of backend microservices to build data pipeline: * Design customizable data collection, data analytics and decision making frameworks using Knative, MLFlow and OPA (Open Policy Agent, a rules engine). * Process various types of data for decision making: relational, time-series, document, and graph. * Provide data access through GraphQL and Rest APIs. * Build web services using Spring boot and containerize them. * Utilize Keycloak server as the authentication/authorization service. * Utilize message bus (RabbitMQ) for inter-microservice communication. * Utilize Kubernates as the deployment platform. Prototype is deployed on AWS (EC2/EKS) for sales and marketing teams. ### Development Team Leader, Software Engineering @ OSIsoft Jan 2013 – Jan 2018 | San Francisco Bay Area Lead a team of 5-7 software developers as direct reports on the development of .NET-based client library and PowerShell-based CLI tools for PI system (Server product of OSIsoft, LLC). The library is used by other newly developed OSIsoft products as the single gateway to access data and manage the PI system. The internal release cadence is 3 weeks, and every 6 months, the product is generally available for customers. In this period, 5 major and 5 minor product versions were released on time. - Work with business leaders and stakeholders to define project goals, scope, and timeline. - Manage the product backlog and execute the plan with Scrum methodology. - Mentor and manage other software developers and interns in the team. - Technical contributions * Library is .NET Core compatible so other teams can containerize their product. * Design the object model and extensible framework to expose new server features based on SOLID principles. * Ensure the implementation follows the best practice and uses software design patterns as much as possible. * Optimize the performance based on CPU and memory consumption. * Generalize the test tools developed originally by the team so other OSIsoft developers can quickly develop unit tests and integration tests. * Architect the framework of end-to-end performance testing for different scenarios. * Participate in various research projects for PI system. ### Software Developer @ OSIsoft Jan 2008 – Jan 2012 - Develop internal .NET Framework based client library to access PI System. Initial release was delivered on time with customers’ good reputation, and hence I was promoted to Development Team Lead. - Develop new software products to automatically record the time series data from measurement devices in manufacturing processes. - Implement and test new software products based on OPC Unified Architecture - Support current software products of OSIsoft, LLC. ### Post Doctoral Research Associate @ Purdue University Jan 2006 – Jan 2008 | West Lafayette, IN Lead the development of informatics infrastructure and real time process management system for continuous pharmaceutical manufacturing: - 4 papers were published. - Ontological Informatics Infrastructure for Model Integration: Develop a prototype unified web-based software platform for model storage, sharing and reuse. - Real Time Process Management (RTPM): Develop a prototype software system which integrates the regulatory control software (Emerson’s Delta V), Model Predictive Control (MPC), fault detection and diagnosis, data reconciliation, gross error detection and Real-Time Optimization (RTO) - Application: Continuous dry manufacturing of tablets, including continuous blender, roller compactor and tablet press. ## Education ### Ph. D. in Chemical Engineering Purdue University ### M.S. in Chemical Engineering National Taiwan University ### B.S. in Chemical Engineering National Taiwan University ## Contact & Social - LinkedIn: https://linkedin.com/in/sean-hsu-63590014 --- Source: https://flows.cv/seanhsu JSON Resume: https://flows.cv/seanhsu/resume.json Last updated: 2026-04-01