Jason Shprintz
Software Developer · Las Vegas, Nevada

Jason
Shprintz

I build production-grade web applications in React and TypeScript, with a focus on performance, clarity and the details users feel but rarely name.

Jason Shprintz
01 — About

Where it started

My passion for programming was sparked when I was in high school. I created a game called "Perfect Pump" on the TI-83+ calculator. The game had a number displayed in currency, and the goal was to press a button and stop it perfectly on $20. The game was simple, but everyone really enjoyed it, and I vividly remember loving the feeling of making a program that everyone else used.

Experience
3+ years
Focus
React · TS
Also
Founder
02 — Skills

Tools of the trade

Languages

TypeScript · JavaScript · Python · HTML · CSS

Frameworks

React · Next.js · Redux · MobX · styled-components · Pixi.js

Testing & quality

Playwright · Selenium · Storybook

Data & services

Node.js · Postgres · MongoDB · gRPC · JSON · XML · YAML

Tooling

Vite · npm · Yarn · Figma · Confluence

03 — Selected work

Things I have shipped

Toastbyte Studios ↗
GitAll

GitAll

Live

A unified contribution heatmap viewer that aggregates activity from GitHub, GitLab, Bitbucket, and Gitea/Forgejo into a single side-by-side or merged view, with per-platform stats and optional OAuth for private contribution data.

Next.jsReactTypeScriptTailwind CSS
gitall.app ↗
Dynastiest League

Dynastiest League

Live

A dynasty fantasy sports league platform providing tools for league management, player tracking, trade analysis, and long-term roster building.

ReactTypeScriptNodeSports Data API
dynastiestleague.com ↗
Toastbyte Studios

Toastbyte Studios

Studio

An independent software studio focused on building modern web and mobile applications. Architected and developed full-stack products leveraging React, TypeScript, and cutting-edge web technologies.

ReactTypeScriptNodeFull-Stack
toastbyte.studio ↗
04 — Experience

Ten years of shipping

Caesars Sportsbook
Software Engineer
Dec 2025 - Present
  • Developed and maintained features for the Caesars Sportsbook platform using React and TypeScript
  • Collaborated with cross-functional teams to deliver high-quality user experiences for sports betting
  • Increased SEO in the national Sportsbook app and marketing landing page by introducing more targeted metadata descriptions, titles, and HTML elements
Toastbyte Studios
Founder
Nov 2025 - Present
  • Founded an independent software studio focused on building web and mobile applications
  • Architected and developed full-stack projects leveraging React, TypeScript, and modern web technologies
Sands Digital Services
Client Engineer
Dec 2022 - Dec 2025
  • Leveraged technologies such as React, TypeScript, MobX state management, and gRPC to build internal tools
  • Created clean, reusable React components for various applications, improving code efficiency
  • Collaborated with cross-functional teams to ensure tools met user needs and expectations
AlphaSights
Software Developer / Quality Assurance
Oct 2020 - Dec 2022
  • Developed a VBA-based macro to standardize and expedite processes across the organization
  • Created a program to streamline the onboarding process for new employees, enhancing efficiency
Litigation Services
Quality Assurance Specialist
Jun 2016 - Sep 2020
  • Implemented a documentation system into our Standard Operating Procedures (SOP), enhancing visibility on employee performance
  • Catalogued the repository and linked it to an online spreadsheet to effectively illustrate workload challenges
05 — Activity

Every commit, merged

Contributions across GitHub, GitLab, Bitbucket and Gitea, aggregated by GitAll — a tool I built for exactly this.

Contribution heatmap
06 — Contact

Have something worth building?

Open to product engineering roles and a small number of contract builds each year. Tell me the scope and the timeline and I will tell you honestly whether it fits.

Email me