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Software engineer with 8+ years of experience across the software development lifecycle (SDLC), building and maintaining web applications and microservices in SaaS, mobile device, and finance. Skilled in collaborating cross-functionally to improve functionality, user experience, and data reliability. Experienced with frontend frameworks (Angular/React/Vue), relational database and backend services (Spring/.NET/C#), RESTful APIs, CI/CD, and automated testing. Seeking a growth-oriented team to continue improving web application development and delivery quality.…Software engineer with 8+ years of experience across the software development lifecycle (SDLC), building and maintaining web applications and microservices in SaaS, mobile device, and finance. Skilled in collaborating cross-functionally to improve functionality, user experience, and data reliability. Experienced with frontend frameworks (Angular/React/Vue), relational database and backend services (Spring/.NET/C#), RESTful APIs, CI/CD, and automated testing. Seeking a growth-oriented team to continue improving web application development and delivery quality.

Jay Yoo

Software Engineer, Project Manager, Full Stack Developer, +2

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Software engineer with 8+ years of experience across the software development lifecycle (SDLC), building and maintaining web applications and microservices in SaaS, mobile device, and finance. Skilled in collaborating cross-functionally to improve functionality, user experience, and data reliability. Experienced with frontend frameworks (Angular/React/Vue), relational database and backend services (Spring/.NET/C#), RESTful APIs, CI/CD, and automated testing. Seeking a growth-oriented team to continue improving web application development and delivery quality.…Software engineer with 8+ years of experience across the software development lifecycle (SDLC), building and maintaining web applications and microservices in SaaS, mobile device, and finance. Skilled in collaborating cross-functionally to improve functionality, user experience, and data reliability. Experienced with frontend frameworks (Angular/React/Vue), relational database and backend services (Spring/.NET/C#), RESTful APIs, CI/CD, and automated testing. Seeking a growth-oriented team to continue improving web application development and delivery quality.

Available to hire

Software engineer with 8+ years of experience across the software development lifecycle (SDLC), building and maintaining web applications and microservices in SaaS, mobile device, and finance. Skilled in collaborating cross-functionally to improve functionality, user experience, and data reliability.

Experienced with frontend frameworks (Angular/React/Vue), relational database and backend services (Spring/.NET/C#), RESTful APIs, CI/CD, and automated testing. Seeking a growth-oriented team to continue improving web application development and delivery quality.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Beginner

Beginner

Language

Work Experience

Angular Frontend Developer at Tellabs

December 1, 2024 - Present

Developed and maintained a scalable Angular/TypeScript web application for EMS servers in a Passive Optical Network. Built and customized large-scale network topology visualizations using Cytoscape.js for complex device hierarchies. Designed and managed frontend build and release processes for stable delivery across development and production environments. Implemented secure authentication and role-based authorization. Applied Angular architecture best practices to improve maintainability and modular design.

Java Full Stack Developer at Impact Radius

April 1, 2021 - September 30, 2022

Built and debugged Java Spring web applications on Apache Tomcat, improving functionality and service reliability and achieving 100% retention for 7M+ affiliate users. Managed web services and repositories using Spring MVC and optimized integration for 7M+ users and ~1,000 API integrations. Enhanced UI with jQuery/JavaScript/HTML/CSS and resolved 3–5 bugs weekly. Used Spring JDBC and SQL scripts for monitoring and issue resolution. Created Jenkins CI/CD pipelines for biweekly deployments and added JUnit unit tests reaching ~80% unit test coverage. Verified RESTful APIs using Postman for enterprise requirements.

C# .NET Developer at Alkami Technology

July 1, 2017 - September 30, 2020

Designed and implemented ASP.NET MVC applications in support of rollouts across 100+ financial institutes. Used test-driven development with NUnit and dependency injection for services and repositories, creating 6 microservices and improving deployment cycles. Implemented Jenkins CI/CD pipelines and reduced deployment times by 5%. Analyzed logs in Splunk to resolve 3–5 bugs weekly. Managed monthly database migrations using Entity Framework and NHibernate for newly created microservices.

Full Stack Developer at HaulMe

January 1, 2017 - June 30, 2017

Revamped frontend architecture with AngularJS. Developed a Java-based real-time notification service with Maven. Enhanced RESTful API endpoints using ExpressJS, reducing errors by 90% and improving performance and reliability.

Project Manager at Samsung

July 1, 2012 - February 29, 2016

Managed technical approval processes for new Samsung mobile device releases. Coordinated with Korean engineering teams, US support teams, and other labs to meet release requirements for 8 devices. Analyzed 1,000+ technical requirements per device and collaborated with regional vendors to define technical acceptance criteria, securing technical approval for 8 devices.