Thomas Kiser

Bachelor of Computer Science

2012 - 2016

Texas Tech University, TX

The most important period for me to study and get enough experiences and improve my practical ability.

Senior Full Stack Engineer

July 2023 - May 2024

Invensis | TX

• Built frontend with React and Mapbox for a taxi booking system, used by 5,000+ daily users.
• Improved location data accuracy by 30% using polling and WebSocket with Socket.IO and AWS AppSync.
• Enhanced connectivity reliability by 25% with Redis caching, Kalman filtering, and AWS Mobile Hub, reducing data loss by 20%.
• Boosted system performance by 35% using Amazon Kinesis, AWS Lambda, and GraphQL via AWS AppSync, handling 1 million requests per minute.
• Implemented route optimization algorithms to reduce average trip times by 20%, leveraging real-time traffic data and predictive analytics.
• Ensured secure connectivity for 5,000+ IoT devices with AWS IoT Core.

Senior Full Stack Engineer

Jan 2022 - Jun 2023

KNOWiNK | MO

• Migrated the old version of the election management system from VB.NET to ASP.NET Core in Azure environment, resulting in a 35% improvement in system performance.
• Engineered reusable Blazor views and layouts using Telerik and Kendo UI, enhancing code maintainability by 40%.
• Enhanced Hangfire jobs with ASP.NET Core 6.0 to send SMS and email correspondences, increasing communication efficiency by 50%.
• Debugged 50+ issues improved code reliability by 40% through unit testing and end-to-end testing using Selenium and NUnit.
• Mentored 3 junior developers, enhancing team productivity by 20%.

Senior Full Stack Engineer

Aug 2019 - Dec 2021

LeverX | FL

• Built multiple web and mobile applications using React.js, Next.js, Vue.js, and Angular and React Native, improving performance by 20% and increasing user satisfaction by 25%.
• Formulated web services using .NET Core and Kafka, improving retention by 50%.
• Engineered secure, robust backend structures using Spring Boot, Django, and FastAPI, improving system reliability by 30%.
• Converted a React-based application to Next.js, resulting in a 13% improvement in performance and SEO.
• Leveraged Express middleware to efficiently query GraphQL endpoints, improving data retrieval performance by 25%.
• Attained 90% code coverage with automated testing using Mocha, Jest, and Cypress, ensuring high-quality code.
• Managed deployments and web applications using AWS EC2 and AWS RDS, improving scalability and reliability by 30%.

Full Stack Engineer

Jun 2017 - May 2019

VironIT | NY

• Developed 3 highly interactive web applications, increasing performance by 25% with ASP.NET Core, React, and Angular.
• Configured Dockerfiles and Docker Compose for seamless integration and scalability in microservices architectures.
• Implemented CI/CD pipelines with Kubernetes and AWS, reducing deployment times by 60%.
• Structured database configurations on SQL and NoSQL, enhancing data handling efficiency by 40%.
• Eliminated over 30 critical bugs, improving system stability by 35%.

Frontend Developer

Jul 2016 - May 2017

Collabera | NJ

• Constructed web application frontend with React, Next.js, Redux, GraphQL, and Flux architecture, improving application performance by 25%.
• Enhanced user engagement by 20% through the use of CSS3, Less, Material UI, and Tailwind CSS.
• Boosted user satisfaction by 25% through optimized UI/UX design with HTML5 and CSS.