Ready Games
Founder & lead engineer · Alajuela, Costa Rica
Founded a retro video game store and built its entire platform: ecommerce, point of sale, arcade, esports, inventory and HR, all on one Django backend.
DjangoPreactTypeScriptPostgresHeroku
Hola, I'm
Joseph Zamora
- Senior Fullstack Engineer
- Founder of Ready Games
- Game Boy game developer
- Former CTO · web VR/AR
- Full Stack Engineer at Fullcast
- Author of Senior Developer at 22
- Senior Fullstack Engineer
Ten years building cloud APIs, real-time systems, AI tooling and web 3D, and the whole software stack behind my own retro game store in Costa Rica.
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About me
I build the systems and the business.
I'm a Senior Fullstack Engineer from Costa Rica with 10 years shipping software: revenue-ops platforms and AI tooling at Fullcast, IVR platforms, microservices on AWS Lambda, WebRTC, data pipelines over SageMaker and Redshift, and B2B APIs in Python and Go. I've led teams as a startup CTO, and today I also run Ready Games, a retro video game store I founded and wrote every line of software for. I also wrote a book, Become a Senior Developer at 22.
I care about tools chosen on purpose, fast interfaces, and the people who use them. On weekends I make games for hardware older than me.
10years engineering
7apps run my business
1startup led as CTO
Experience
Where I've shipped.
Fullcast
Full Stack Engineer · Remote (Salt Lake City, Utah)
Integrate and maintain revenue-ops systems used by clients with hundreds of thousands of users, owning code, database and architecture in Node.js, React and AWS. Heavy focus on AI: helped build an AI QA bot with Claude, using QA skills, context engineering and a Playwright feedback loop.
Node.jsReactAWSClaude CodePlaywright
Mismo
Fullstack engineer · B2B
Python + pandas services that generate and transform Excel deliverables, and Go REST APIs on AWS with direct impact on clients.
GoPythonpandasAWS
JBS Custom Software Solutions
Fullstack engineer
Designed a microservice architecture on AWS Lambda, integrated WebRTC peer-to-peer, and built services over SageMaker, S3 and Redshift. Picked FastAPI, Auth0 and SQLModel after comparing the alternatives.
FastAPILambdaWebRTCSageMakerAuth0
Growth Acceleration Partners
Software engineer
High-availability, mission-critical apps alongside designers, PMs and DevOps, from an interactive chatbot to dashboard components.
ReactNode.jsGraphQLDjango
Immerso
CTO
Led developers and designers, translated client needs into web VR/AR tourism experiences, and shipped them in the browser.
A-FrameThree.jsWebARReactLeadership
First Factory
Fullstack engineer
A reusable-component platform that let the company sell single website features (login, subscriptions) instead of whole sites, with QA automation and GitLab CI/CD.
AngularRailsGitLab CIQA automation
IVR Software Solutions
Software engineer
Internal IVRs and IVR APIs on AWS: modernized legacy Java and built new IVRs in Python over REST and SOAP, under PCI policies.
PythonJavaSOAPPCIAWS
My business
A retro game store, engineered.
Ready Games buys, sells and celebrates classic video games in Alajuela, Costa Rica. Behind the counter sits a platform I designed and built myself: seven apps on one Django + Postgres source of truth for inventory, sales and payments.
Storefront
Ecommerce with online checkout, customer accounts and the Ready Puntos loyalty program (3% back on every purchase).
PreactViteTypeScript
Selected projects
Things I've built.
Hover a card; they're 3D.
Ready Games · 2023 →
Retail platform
- Django/DRF backend with 900+ commits: inventory, sales, payments, coupons, loyalty
- Online checkout, AI-written monthly strategy reports (Gemini), staff PIN sessions
- Playwright end-to-end tests across the storefront, POS and admin
DjangoPostgresPreactPlaywright
Ready Games · 2026
Browser arcade
- Play Game Boy ROMs (EmulatorJS) and Unity WebGL builds in the browser
- Staff upload a build or ROM in admin and it goes live, served by the API
- Home of my own Game Boy game, Ready Gamer
TypeScriptEmulatorJSUnity WebGL
Ready Games · 2026
Esports tournaments
- Player accounts with email OTP verification and 2FA login
- Registration with admin approval, branded welcome emails, sponsors and prizes
- Livestream integration and a podium for finished tournaments
PreactDRFTwitch
Immerso · CTO
Experience Engine
- Web VR/AR tourism experiences that run in any browser, no app install
- Tour creator for clients to author scenes themselves (Next.js)
- Led the dev and design team from pitch to delivery
A-FrameThree.jsReactNext.js
Web 3D
UNED interactive map
- An explorable 3D map in the browser for UNED, Costa Rica's distance university
- React + A-Frame front end backed by a TypeScript API
A-FrameReactTypeScript
APIs
BCCR FVA simulator
- Simulates Costa Rica's Central Bank (BCCR) FVA service over both SOAP and REST
- Lets teams integrate and test without the real banking endpoint
PythonSOAPREST
Games I made
From 8-bit to Unity.
READY GAMERPRESS A TO PLAY
Ready Games GAME BOY GAME
drag to rotate · press A to play
Ready Gamer
An original Game Boy game written in C with GBDK and ZGB. Five rooms of maze-aware viruses, spawn portals, a boss run and chiptune music. Playable in the Ready Games arcade, and a win reveals a raffle code for the store.
Play in browser ↗Source ↗Jeux Didactique Game Jam
An educational game built in Unity for the 2020 Jeux Didactique jam, with custom shaders.
Source ↗The Glow Worm VR
Built in one weekend with a five-person CIDeV team at Global Game Jam 2018. Also available in VR.
Watch ↗Jam page ↗Rage Ninja
A Ludum Dare 38 entry: an extreme 2D platformer where Rage hunts down a wicked black mage. Windows, rated 5.0 on itch.io.
Download on itch.io ↗Gameplay ↗
My book
Become a Senior Developer at 22.
How to become a senior developer without college or a bootcamp. I taught myself to code, and this book lays out the path I took: learning on the job, making the most of online resources, and growing through workshops and conferences.
2022published
Kindle& paperback
ENEnglish
Skills
The toolbox.
Languages
PythonTypeScriptJavaScriptGoCC#JavaRubySQL
Backend
Django / DRFFastAPINode.jsGraphQLRailsRESTSOAPAuth0
Frontend
ReactPreactNext.jsVue.jsAngularViteWebRTC
Cloud & data
AWS LambdaS3Google CloudFirebaseSageMakerRedshiftPostgreSQLMySQLpandasHerokuVercel
3D & games
UnityGBDK / ZGBThree.jsA-FrameWebGLWebXR
Architecture & delivery
System architectureSoftware designMicroservicesCI/CDPlaywright E2EQA automationTeam leadershipClient discovery
Contact
Let's build something.
Open to senior engineering roles, contracts and interesting collaborations.