# Isaac Welch > Senior Engineer @ Upstart | Developing Innovative Full Stack Solutions Location: Greenville, South Carolina, United States Profile: https://flows.cv/isaacwelch As a Senior Full Stack Engineer at Caribou, I work with a team of talented developers to create web applications that meet the diverse needs of clients, management, and technicians. I use Angular or React on the front end, Go, Ruby+Rails or Node.js on the back end, and GCP or AWS for infrastructure, depending on the project requirements and specifications. I have a passion for open source development and have contributed to several projects on GitHub, such as Solid.js. I also enjoy learning new technologies and frameworks. My goal is to use my skills and knowledge to create innovative and user-friendly solutions that solve real-world problems. ## Work Experience ### Senior Software Engineer @ Upstart Jan 2024 – Present ### Senior Full Stack Engineer and Tech Lead @ Caribou Jan 2021 – Jan 2024 I drove the innovation of our top of funnel application leading to increased stability, observability, and data collection for the purposes of increasing traffic. This resulted in a 10x growth in users being able to complete our online refinance SPA. I worked with products to define and estimate work. I built a team from one engineer (me) to 10 engineers which I mentored to create the most effective and innovative teams in the company. Utilized tools such as React (Next.js), GCP, Typescript, Node.js, Go, Jira, Ruby + Rails, Argo, Kubernetes, Linux, git, GitHub, and more. I also drove innovation for onboarding new top of funnel partners and channel leading significant increase in conversion. ### Senior Software Engineer @ Branding Brand Jan 2020 – Jan 2021 I built the MVP application for a client looking to build an app for their smart community real estate development. I turned requirements into a fully functional application in under 6 months utilizing tools like AWS, React Native, Typescript, Go, Redux, Swift, and Kotlin. Worked with stakeholders to validate and release the application to users. ### Software Engineer II @ Insiten Jan 2019 – Jan 2020 | Greater Atlanta Area - Initially began as a front end developer using HTML, CSS, JavaScript, Angular/Angular.js, and TypeScript. - After initial 5 months, transitioned into full stack development using C# and Node.js on the back end. - Set up API’s and end points to store data entries in SQL Server, developed timed Stored Procedures to run against the database, to work against external services integration, and to ensure database connections worked properly. - Set up backend architecture for integration with MS Azure-based services, MS OneDrive-based documents, and Stripe billing platform. - Assisted Business in feature development and recommended technical solutions to meet requirements. - - Led Developers in feature implementation. Coordinated with QA to communicate business needs and guide test case creation. - Identified islands of knowledge and coordinated pair coding/mentorship sessions to up-skill developers. - Assisted in iterating on existing / building out new features to meet customer needs. - Built, maintained, and released products. ### Software Engineer @ Thomasville Security Services Jan 2018 – Jan 2019 I negotiated with clients to discuss their problems and design solutions that met their individual needs in terms of technological integration. I defined, designed, and implemented solutions ranging from Full stack A/V streaming applications using Node.js, Go, and React.js to custom modification to firmware for video equipment using FFMPEG and setting up/maintaining GNU+Linux servers. ### Founder @ Thoughtbox Technologies LLC Jan 2017 – Jan 2018 - Designed software models in Java/Python to prototype hardware systems, and built systems based on those models. ### Research Assistant @ Tall Timbers Research Station & Land Conservancy Jan 2017 – Jan 2017 | thallahassee Florida - Researched/designed software models to analyze/predict paths of wildfires. Collected/processed data for ML models. - Created software using Python to model behavior/intensity of fire, given certain conditions. ### IT Technician / Full Stack Dev @ Glad Tidings Academy Jan 2016 – Jan 2017 As an IT Technician and Full Stack Developer, I demonstrated expertise in setting up computer systems, overseeing hardware and software installations, and contributing to the development of impactful software solutions. Notably, I leveraged my proficiency in React.js, Node.js, and Java to create a cutting-edge billing system, complete with robust accounts and secure payment processing. Additionally, I played a pivotal role in designing and implementing an advanced audio/video system, utilizing the same technologies, to seamlessly stream security camera feeds to clients. This dual role allowed me to showcase my technical prowess in both hardware and software domains, utilizing modern and versatile technologies for efficient and innovative solutions. ## Education ### Bachelor's degree in Computer Science Kennesaw State University Jan 2017 – Jan 2025 ## Contact & Social - LinkedIn: https://linkedin.com/in/isaac-welch-22a463179 - GitHub: https://github.com/i-Welch --- Source: https://flows.cv/isaacwelch JSON Resume: https://flows.cv/isaacwelch/resume.json Last updated: 2026-03-22