Available to hire
Hi, I’m Jue (Jameson) Wang, a Senior Full-Stack Software Engineer with over 15 years of experience in architecting and developing enterprise-grade software solutions. I specialize in backend development using Java, C#, and Python, and have strong frontend skills with React, React Native, Angular.js, and Vue.js. I have deep experience across insurance, fintech, and AI/ML sectors and am passionate about delivering high-quality, efficient software that enhances user experiences.
In addition to hands-on development, I enjoy leading teams, mentoring junior developers, and working in agile environments to drive continuous improvement. I am always keen to embrace new technologies and best practices to create scalable, secure, and high-performance applications.
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Language
English
Advanced
Chinese
Fluent
Work Experience
Senior Software Engineer at Orion Insurance Services
May 1, 2024 - November 30, 2024Developed and maintained insurance software solutions using .NET Core for back-end with Vue3 for front-end. Engineered RESTful APIs with .NET Core and C# managing MS SQL Server 2022 data lifecycle. Authored complex T-SQL scripts, optimized database performance, and integrated third-party APIs like Smarty. Collaborated with cross-functional teams, utilized Azure DevOps and Git for source control, implemented unit and integration tests, and developed Python scripts for data migration and validation during a major system upgrade, ensuring data integrity for over 50,000 policies.
React Native Mobile Developer at Upwork
October 1, 2023 - March 31, 2024Developed TypeScript React Native mobile applications for Lexifan E-commerce store on iOS and Android platforms. Backend services were implemented using ASP.NET Core.
Software Engineer at American Integrity Insurance
August 1, 2022 - October 31, 2023Troubleshot and debugged Guidewire InsuranceNow Java source and Velocity codes. Implemented REST APIs with Java Spring Boot, refactored legacy Java applications upgrading from Java 8 to 17 and towards Java 21. Designed modular Spring Boot projects using Domain-Driven Design (DDD) principles. Developed custom Spring Security configurations to protect REST APIs, and integrated Spring Data JPA with PostgreSQL. Mentored junior developers and developed RPA solutions using ElectroNeek to automate endorsement processes. Employed ELK stack for logging and monitoring to improve system reliability.
Software Developer at NCJUA / NCIUA
January 1, 2022 - June 30, 2022Maintained and debugged Guidewire InsuranceNow backend applications using Java 11 and Velocity code, managed Jira tickets for incident resolution, created bug fixes and pull requests. Maintained public-facing websites utilizing C# ASP.NET, and supported Java Guidewire backend development.
Full-Stack Developer at LexisNexis
November 1, 2021 - January 31, 2022Worked on the LexisPlus product with Angular 15 and TypeScript programming. Developed unit tests and implemented front-end designs using Tailwind CSS.
Full-Stack Developer at SaasCharge
May 1, 2020 - November 30, 2021Developed mobile applications using Flutter SDK for Android and iOS platforms. Automated iOS app screenshot processes with Fastlane and iOS UITest framework. Fixed bugs in Angular 14 and React web applications, wrote Java Spring Boot REST APIs and supported backend simulations for high-volume user testing. Managed complex SQL queries for PostgreSQL to support data dashboards.
Lead Software Engineer & Architect at Various Tech Companies
September 1, 2011 - December 31, 2019Led Java Spring Boot backend and Angular/React frontend development for 4 years. Developed Spring MVC and REST API services with MySQL persistence. Researched and modified Java Kurento backend for SIP server communication. Managed Java dependencies with Maven. Delivered an ERP system using C#, .NET, and SQL Server. Developed iOS apps in Objective-C. Implemented CI/CD pipelines with Jenkins and Azure DevOps. Accumulated 3 years of product management experience.
Senior Software Engineer at Orion Insurance Services
May 1, 2024 - November 30, 2024Developed and maintained insurance software solutions using .NET Core for backend and Vue3 for frontend. Engineered RESTful APIs with .NET Core, C#, and MS SQL Server 2022, integrating third-party services like Smarty. Created dynamic user interfaces in Vue3 and wrote complex T-SQL scripts to improve data operations. Collaborated with cross-functional teams to deliver high-quality software on time. Experienced with Azure DevOps, unit and integration testing, Python scripting for data migration, and compliance with insurance industry standards.
React Native Mobile Developer at Upwork
October 1, 2023 - March 31, 2024Provided TypeScript React Native mobile development for Lexifan E-commerce store iOS and Android apps, with a backend using ASP.NET Core.
Software Engineer at American Integrity Insurance
August 1, 2022 - October 31, 2023Troubleshot and debugged Guidewire InsuranceNow using Java, Velocity, and JavaScript frontend code. Refactored Java applications to newer Java versions for performance and maintainability. Developed Spring Boot REST APIs, applying Domain-Driven Design principles. Implemented Spring Security configurations and integrated PostgreSQL with Spring Data JPA. Mentored junior developers and developed RPA solutions using ElectroNeek for automation. Managed tickets in Jira, wrote SQL queries to aid auditing and data science teams, and contributed to front-end development using Angular and React. Established logging and monitoring using the ELK stack.
Software Developer at NCJUA / NCIUA
January 1, 2022 - June 30, 2022Developed and debugged Guidewire InsuranceNow Java backend and Velocity code, along with C# ASP.NET MVC public-facing websites. Handled Jira tickets, created bug fixes, and managed pull requests on GitHub.
Full-Stack Developer at LexisNexis
November 1, 2021 - January 31, 2022Worked on LexisNexis product LexisPlus, programming in Angular 15 and TypeScript, including unit tests and Tailwind CSS for frontend development.
Full-Stack Developer at SaasCharge
May 1, 2020 - November 30, 2021Developed mobile apps using Flutter SDK and fixed bugs on SaasCharge Android/iOS apps. Automated iOS screenshot generation with Fastlane and iOS UITest. Maintained Angular 14 and React web applications, programmed REST APIs with Java Spring Boot, and authored Java simulations and test cases. Wrote complex PostgreSQL SQL queries to support dashboards.
Lead Software Engineer & Architect at Various Tech Companies
September 1, 2011 - December 31, 2019Led Java Spring Boot backend and Angular/React frontend web app development. Developed ERP systems with C#/.NET and SQL Server. Worked on Java Kurento backend video streaming and SIP registration code. Championed CI/CD pipelines using Jenkins and Azure DevOps. Also had experience in iOS Objective-C development and product management.
Senior Software Engineer at Orion Insurance Services
May 1, 2024 - November 30, 2024Developed and maintained insurance software solutions using .NET Core and Vue3, including REST API layers and integration with third-party APIs such as Smarty. Authored T-SQL scripts to improve data querying and automation for policy management. Collaborated with product managers and QA teams using Azure DevOps with git repositories and pull request workflows. Implemented unit and integration testing frameworks and developed Python scripts for data migration and validation supporting over 50,000 policies. Ensured compliance with insurance industry security standards by implementing robust security measures and conducting audits.
React Native Mobile Developer at Upwork
October 1, 2023 - March 31, 2024Delivered TypeScript React Native mobile applications for an E-commerce store (Lexifan) on iOS and Android platforms, with backend services using ASP.NET Core.
Software Engineer at American Integrity Insurance
August 1, 2022 - October 31, 2023Troubleshot and customized Guidewire InsuranceNow Java source and Velocity code. Refactored legacy Java applications upgrading from Java 8 to Java 17 and prepared migration to Java 21. Developed Spring Boot REST APIs and applied Domain-Driven Design principles to organize complex business logic. Implemented Spring Security configurations to secure REST services, integrated PostgreSQL with Spring Data JPA, and mentored junior developers. Created RPA solutions with ElectroNeek for business process automation. Managed tickets in Jira and used GitHub for source control and code reviews, including front-end work with Angular and React. Established ELK stack logging and monitoring for Java services.
Software Developer at NCJUA / NCIUA
January 1, 2022 - June 30, 2022Worked extensively on Guidewire InsuranceNow backend Java 11 source code and Velocity templates, troubleshooting and debugging production issues. Maintained public facing websites with C# ASP.NET MVC, recreated and fixed bugs, and collaborated through Jira and GitHub version control.
Full-Stack Developer at LexisNexis
November 1, 2021 - January 31, 2022Contributed to the LexisPlus product using Angular 15 and TypeScript, programming unit tests and frontend UI with Tailwind CSS.
Full-Stack Developer at SaasCharge
May 1, 2020 - November 30, 2021Developed mobile applications using Flutter for Android and iOS, automated app store screenshots with Fastlane and iOS UITest frameworks. Fixed bugs for Angular 14 and React web apps, created Java simulations and tests for backend web services. Built REST API endpoints with Java Spring Boot and wrote complex SQL queries for data analysis dashboards.
Lead Software Engineer & Architect at Various Tech Companies
September 1, 2011 - December 31, 2019Led backend development with Java Spring Boot and front-end with Angular and React across multiple projects. Developed SIP/VoIP applications using Kurento and Opensips, including modifying JMS and SIP headers. Delivered a comprehensive ERP system for manufacturing clients with C#, .NET Framework and SQL Server. Developed iOS applications in Objective-C. Established CI/CD pipelines using Jenkins and Azure DevOps for Java and .NET projects. Managed product development and delivery as product manager.
Senior Software Engineer at Orion Insurance Services
May 1, 2024 - November 30, 2024Developed and maintained insurance software using .NET Core for backend and Vue3 for frontend. Engineered RESTful API layers, managed MS SQL Server data lifecycle, and integrated third-party APIs. Authored complex T-SQL scripts and optimized database performance. Collaborated with product managers and QA to deliver solutions within deadlines. Worked with Azure DevOps, implemented unit & integration testing, and developed Python scripts for data migration. Ensured compliance with insurance industry standards and promoted best coding practices in an agile environment.
React Native Mobile Developer at Upwork
October 1, 2023 - March 31, 2024Developed TypeScript React Native mobile applications for Lexifan E-commerce store on iOS and Android platforms with backend using ASP.NET Core.
Software Engineer at American Integrity Insurance
August 1, 2022 - October 31, 2023Troubleshot and debugged Guidewire InsuranceNow Java and Velocity code. Refactored Java applications upgrading from Java 8 to Java 17. Designed and implemented Spring Boot REST APIs, applied Domain-Driven Design principles, developed custom Spring Security configurations, and integrated Spring Data JPA with PostgreSQL. Mentored junior developers and developed RPA automation solutions with ElectroNeek to streamline endorsement processes. Programmed Angular and React front-end portals and managed tickets using Jira and GitHub while promoting standardized logging with ELK stack.
Software Developer at NCJUA / NCIUA
January 1, 2022 - June 30, 2022Maintained and debugged Guidewire InsuranceNow backend using Java 11 and Velocity code, and C# ASP.NET MVC public facing websites. Traced bugs, recreated errors locally, created bug fix branches, and merged pull requests. Worked with Jira for incident management.
Full-Stack Developer at LexisNexis
November 1, 2021 - January 31, 2022Contributed to LexisPlus product development using Angular 15, TypeScript programming, unit test coding, and Tailwind CSS frontend work.
Full-Stack Developer at SaasCharge
May 1, 2020 - November 30, 2021Developed mobile apps using Flutter SDK for Android and iOS. Automated iOS screenshots with Fastlane and UITest. Programmed and debugged Angular (v14) and React web applications with TypeScript. Developed backend REST APIs using Java Spring Boot and complex SQL queries for analytics dashboards. Applied modern software design principles and developed server-side Java applications.
Lead Software Engineer & Architect at Various Tech Companies
September 1, 2011 - December 31, 2019Led Java Spring Boot backend and Angular, React frontend web app development. Modified Kurento Java source code and worked on SIP/Opensips open-source projects. Developed ERP systems using C# and .NET Framework. Delivered iOS Objective-C apps and championed CI/CD pipelines with Jenkins and Azure DevOps. Also experienced product management for three years.
Senior Software Engineer at Orion Insurance Services
November 30, 2024 - July 11, 2025Developed and maintained insurance software solutions using .NET Core for backend and Vue3 for frontend. Engineered RESTful API layers in C# managing backend with MS SQL Server 2022 and integrated third-party services. Authored complex T-SQL scripts for data manipulation and reporting, optimized database performance, and collaborated with cross-functional teams to deliver high-quality software. Implemented unit and integration testing, utilized Azure DevOps for source control and pull requests. Developed Python scripts for data migration ensuring integrity for over 50,000 policies. Maintained compliance with insurance industry standards through robust security measures.
React Native Mobile Developer at Upwork
March 31, 2024 - July 11, 2025Developed TypeScript React Native mobile apps for Lexifan E-commerce store on iOS and Android, with backend in ASP.NET Core.
Software Engineer at American Integrity Insurance
October 31, 2023 - July 11, 2025Troubleshot and debugged Guidewire InsuranceNow Java and Velocity code, implemented REST APIs with Java Spring Boot. Refactored legacy Java applications upgrading from Java 8 to Java 11 and Java 17. Designed modular Spring Boot REST APIs applying Domain-Driven Design principles. Developed custom Spring Security configurations for regulatory compliance. Integrated Spring Data JPA with PostgreSQL. Mentored junior developers and developed RPA solutions using ElectroNeek to automate business processes.
Software Developer at NCJUA / NCIUA
June 30, 2022 - July 11, 2025Maintained and debugged Guidewire InsuranceNow Java 11 source code, Velocity code, and C# ASP.NET MVC public-facing websites. Managed Jira tickets. Developed with Java 11 backend applications.
Full-Stack Developer at LexisNexis
January 31, 2022 - July 11, 2025Worked on LexisPlus product using Angular 15 and TypeScript. Developed unit tests and front-end styling using Tailwind CSS.
Full-Stack Developer at SaasCharge
November 30, 2021 - July 11, 2025Developed mobile phone apps using Flutter SDK for Android and iOS. Automated iOS app screenshots with Fastlane and UITest. Programmed and debugged Angular 14, React, and Java Spring Boot backend REST APIs. Wrote complex SQL queries for data analysis and simulated high-volume user registration for backend testing.
Lead Software Engineer & Architect at Various Tech Companies
December 31, 2019 - July 11, 2025Led multi-year Java Spring Boot backend and Angular/React frontend development projects. Developed ERP systems using C#, .NET Framework, and SQL Server. Worked on Java Kurento backend for SIP and VoIP services. Championed CI/CD pipelines using Jenkins and Azure DevOps. Managed product design and development including iOS apps in Objective-C. Led product management efforts.
Senior Software Engineer at Orion Insurance Services
November 30, 2024 - July 11, 2025Developed and maintained insurance software solutions using .NET Core for backend and Vue3 for frontend. Engineered RESTful APIs with C# integrated with MS SQL Server 2022 and third-party services. Authored complex T-SQL scripts for data manipulation, optimized database performance, and collaborated with cross-functional teams. Utilized Azure DevOps Git Repository for source control and code reviews. Developed Python scripts for data migration during system upgrades. Participated in code reviews and ensured compliance with industry standards.
React Native Mobile Developer at Upwork
March 31, 2024 - July 11, 2025Developed TypeScript React Native mobile applications for Lexifan E-commerce store on iOS and Android platforms with backend support using ASP.NET Core.
Software Engineer at American Integrity Insurance
October 31, 2023 - July 11, 2025Troubleshot and debugged Guidewire InsuranceNow Java and Velocity code, implemented REST API using Spring Boot. Refactored Java applications from Java 8 to Java 17. Designed scalable Spring Boot REST APIs. Applied Domain-Driven Design principles. Developed Spring Security configurations and integrated Spring Data JPA with PostgreSQL. Mentored junior developers and developed RPA solutions using ElectroNeek for process automation. Managed Jira tickets and documentation on Confluence. Used GitHub for version control and branching. Developed Angular and React front-end portals and implemented ELK stack for logging and monitoring.
Software Developer at NCJUA / NCIUA
June 30, 2022 - July 11, 2025Worked with Guidewire InsuranceNow, Java 11 source code, Velocity code, and C# ASP.NET MVC code. Debugged and fixed errors for backend and maintained public-facing websites. Developed Java Guidewire InsuranceNow backend applications. Managed Jira tickets and performed debugging and bug fixes using GitHub for source control.
Full-Stack Developer at LexisNexis
January 31, 2022 - July 11, 2025Contributed to LexisPlus product using Angular 15 and TypeScript. Developed unit tests and frontend code with Tailwind CSS.
Full-Stack Developer at SaasCharge
November 30, 2021 - July 11, 2025Developed and maintained mobile apps using Flutter SDK and fixed bugs for Android and iOS apps. Automated iOS app screenshots using Fastlane. Developed and fixed Angular 14 and React web applications with TypeScript. Built REST API endpoints using Java Spring Boot. Wrote complex SQL queries for data analytics. Applied modern software design principles such as SOLID and DRY.
Lead Software Engineer & Architect at Various Tech Companies
December 31, 2019 - July 11, 2025Led development of Java Spring Boot backend and Angular/React front-end web applications. Modified open-source Kurento application server code for SIP registration. Led ERP system development for manufacturing client using C#, .NET Framework, and SQL Server. Developed iOS apps using Objective-C. Implemented CI/CD pipelines using Jenkins and Azure DevOps. Also has product management experience.
Education
Master's Degree at Miami University
January 1, 2008 - December 31, 2010Bachelor's Degree at Wuhan University of Science and Technology
January 1, 2004 - December 31, 2008Master degree of Computer Science at Miami University
January 1, 2008 - December 31, 2010Bachelor's Degree in Computer Science at Wuhan University of Science and Technology
January 1, 2004 - December 31, 2008Master degree of Computer Science at Miami University
January 1, 2008 - December 31, 2010Bachelor's Degree in Computer Science at Wuhan University of Science and Technology
January 1, 2004 - December 31, 2008Master degree at Miami University
January 1, 2008 - December 31, 2010Bachelor's Degree at Wuhan University of Science and Technology
January 1, 2004 - December 31, 2008Master's Degree at Miami University
January 1, 2008 - December 31, 2010Bachelor's Degree at Wuhan University of Science and Technology
January 1, 2004 - December 31, 2008Master's Degree at Miami University
January 1, 2008 - December 31, 2010Bachelor's Degree at Wuhan University of Science and Technology
January 1, 2004 - December 31, 2008Qualifications
AWS Cloud Developer Certificate from Udacity
January 1, 2020 - December 31, 2020Deep Learning Certificate from Udacity
January 1, 2020 - December 31, 2020Guidewire InsuranceSuit 10.0 Developer Associate Certificate
January 1, 2022 - December 31, 2022AWS Cloud Developer Certificate
January 1, 2020 - December 31, 2020Deep Learning Certificate
January 1, 2020 - December 31, 2020Guidewire InsuranceSuit 10.0 Developer Associate Certificate
January 1, 2022 - December 31, 2022AWS Cloud Developer Certificate from Udacity
January 1, 2022 - December 31, 2022Deep Learning Certificate from Udacity
January 1, 2022 - December 31, 2022Guidewire InsuranceSuit 10.0 Developer Associate Certificate
January 1, 2023 - December 31, 2023AWS Cloud Developer Certificate
January 1, 2022 - December 31, 2022Deep Learning Certificate
January 1, 2022 - December 31, 2022Guidewire InsuranceSuit 10.0 Developer Associate Certificate
January 1, 2023 - December 31, 2023AWS Cloud Developer Certificate from Udacity
January 1, 2020 - December 31, 2020Deep Learning Certificate from Udacity
January 1, 2020 - December 31, 2020Guidewire InsuranceSuit 10.0 Developer Associate Certificate
January 1, 2022 - December 31, 2022AWS Cloud Developer Certificate from Udacity
January 1, 2023 - December 31, 2023Deep Learning Certificate from Udacity
January 1, 2023 - December 31, 2023Guidewire InsuranceSuite 10.0 Developer Associate Certificate
January 1, 2023 - December 31, 2023Industry Experience
Financial Services, Software & Internet, Professional Services, Manufacturing, Other
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
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