Dave Sexton
Senior Full Stack Developer at Lab49
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolDave Sexton is a Senior Full Stack Developer with 13 years of professional experience building high-performance trading front-ends, web applications, and indie games. Based in New York, he combines deep C# and WPF expertise—used to ship low-latency trading UIs and his own game engine—with about five years of TypeScript and React for modern web front ends. He has led frontend architecture for J.P. Morgan’s Risk-as-a-Service product and contributed bug fixes and UX polish to notable open-source projects like ReactiveTraderCloud and the Reactive Extensions for .NET. An autodidact and independent creator, he launched his puzzle game Lambda Enigma on Steam in Early Access and maintains a technical blog that surfaces practical engineering insights. Colleagues rely on him for pragmatic problem solving that spans UI styling quirks to subtle timing bugs in reactive libraries.
13 years of coding experience
25 years of employment as a software developer
Autodidact
Stackoverflow
2,602reputation
147kreached
69answers
3questions
reactive-programming
top-5%
Github Skills (29)
unit-testing10
reactivex10
typescript10
ui-design10
netframework10
reactive-extensions10
uid10
front-end-development10
typescript-types10
dotnet-core10
typescripts10
csharp10
react10
concurrency10
linq9
Programming languages (3)
Github contributions (5)
dotnet/reactive
Feb 2013 - Nov 2013
The Reactive Extensions for .NET
Role in this project:
Back-end Developer
Back-end DeveloperContributions:15 commits, 77 comments, 2 issues in 9 months
Contributions summary:Dave primarily focused on improving the reliability and functionality of the Reactive Extensions for .NET. Their work included fixing a critical bug related to time-based operations, specifically in the `Interval` and `Timer` extensions when the period was zero. They also implemented and tested new `SelectMany` overloads to support index parameters and improved performance. Furthermore, they added new methods and overloads related to `GroupBy` and addressing related bug fixes.
dotnetreactive-extensionsreactive-programmingc-sharpcsharp
AdaptiveConsulting/ReactiveTraderCloud
Jan 2019 - Jan 2019
Real-time FX trading showcase by Adaptive.
Role in this project:Front-end Developer
Front-end DeveloperContributions:8 commits, 15 PRs, 9 pushes in 10 days
Contributions summary:Dave primarily focused on fixing UI-related bugs and enhancing the user experience within the React-based front-end of the application. Their work includes resolving a JS error caused by chart resizing, adjusting the analytics tooltip appearance to match a light theme, and correcting the background color and layout of the blotter component. The user also updated styling to ensure the blotter's background extends correctly and added a minimum height to the chart component to prevent display errors.
adaptiveexpresspwafinancereactjs
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.