Hello! my name is Alex. I am a Mexican developer working on US Central Zone timezone. IT Bachelor Engineer and master in Science. 12 years working as a programmer, mostly with American and Mexican customers, as a freelancer and traditional hired full time. Fluent spoken English and written (TOEFL ibt 92/120).
My working experience is mainly as full-stack and mobile developer. More recently, I have been working with AI stack. For example:
-Integration of LLM models into legacy systems like SaaS, SQL databases, CRMs.
-Designing and developing LangGraph workflows.
-Agent creation and integration in systems based in LlamaIndex and LangChain.
-Coding tools for the agent harness extension.
-RAG systems, chromaDB vector databases mainly.
-I'm the creator of Ainify.ai, B2B to develop AI solutions to businessess.
-Installation of open LLM models into edge devices.
AI IDE coding tools:
-Opencode, Claude code, Codex, Cursor.
Backend programming languages and server stack:
Typescript/Nodejs/Nextjs, PHP (Laravel, CodeIgniter, WordPress), Python (AWS Lambda microservices), Apache, NGINX, AWS EC2 Linux instances, MySQL and PostgreSQL (Prisma ORM).
Web full-stack frontend programming languages and frameworks:
Javascript/Typescript, React, jquery, CSS, Bootstrap, TailwindCSS, Angularjs
Mobile programming languages and frameworks:
iOS (Swift, SwiftUI, UIkit, Objective-C), Android (Java)
HPC and supercomputing:
Slurm node job dispatch, Shell scripting
Testing and debug:
XCTest Unit testing, UI/UX testing, Xcode instruments, Firebase Crashlytics, Apple developer crash reports, chrome developer console.
PHP
JavaScript
Amazon Web Services
MySQL
AngularJS
Mobile App Development
Web Development
NoSQL Database
Swift
SwiftUI
Artificial Intelligence
Retrieval Augmented Generation
LangChain
LLM Prompt Engineering
Alberto V.
Mexico City, Mexico
$17/hr
5.0
13 jobs
๐จ๐ป๐ถ๐๐ ๐ด๐ฎ๐บ๐ฒ ๐ฑ๐ฒ๐๐ฒ๐น๐ผ๐ฝ๐ฒ๐ฟ ๐ฎ๐ป๐ฑ ๐ฝ๐ถ๐ ๐ฒ๐น ๐ฎ๐ฟ๐๐ถ๐๐ ๐๐ถ๐๐ต ๐ฐ+ ๐๐ฒ๐ฎ๐ฟ๐ ๐ผ๐ณ ๐ฒ๐ ๐ฝ๐ฒ๐ฟ๐ถ๐ฒ๐ป๐ฐ๐ฒ building gameplay systems, AI, UI, and hand crafted art for indie teams and solo founders. I specialize in ๐๐ผ๐น๐๐ถ๐ป๐ด ๐๐ต๐ฒ ๐๐๐ผ ๐ฏ๐ถ๐ด๐ด๐ฒ๐๐ ๐ฝ๐ฟ๐ผ๐ฏ๐น๐ฒ๐บ๐ small teams face: ๐ด๐ฎ๐บ๐ฒ๐ฝ๐น๐ฎ๐ that feels good and ๐ฎ๐ฟ๐ that feels cohesive.
My workflow mixes strong systems programming with clean, charming pixel art, allowing you to move faster, iterate quickly, and keep your project visually consistent without needing multiple specialists.
What I help with:
โข Gameplay programming (game mechanics, systems, AI, UI)
โข Pixel art (characters, tilesets, animations, UI)
โข Prototyping and polishing game feel
โข Small-team production: flexible code, clear communication, reliable delivery
โข Unity C# systems built to be modular, scalable, and easy to maintain
Why small teams hire me:
โข I can handle both programming and art without sacrificing quality
โข My systems are clean, stable, and easy for others to extend
โข I match art styles quickly and keep assets consistent
โข I deliver playable builds fast, with clear priorities and no fluff
If you need a developer who can build the core systems and give your game its look and feel, I can take your project from rough concept to a polished, engaging experience.
Game Development
Game Design
Pixel Art
UX & UI Design
Voxel
3D Modeling
Rolando Javier P.
Escobedo, Mexico
$20/hr
5.0
4 jobs
I'm a senior game developer experienced in creating immersive complex mechanics for a variety of indie games. Whether you want to create the next hit or just test your idea, I can help you with that.
-Can do Windows and Android Video game development (Only 2D)
-Knows HTML, JS, PHP, Cloud-Management, Python, C++, C# and develops beautiful 2D games in GMS2
-Create any type of game. Literally any, I won't mind doing the strangest most bizarre idea.
-I will be in touch with you at any time. If you send me a message I will be available in the next 6 hours or less
Android App Development
Game Design
International Development
Windows App Development
Writing
Translation
Video Editing & Production
Luis Angel G.
Guadalajara, Mexico
$9/hr
5.0
4 jobs
I am a C# and C++ Developer with over 4 years of experience and 2 year and a half of proffessional experience in Game development, game design and programming that can easily work with other people and get solutions for specific problems. If you have an issue you don't now how to solve or any unity application that you can't develop by yourself, I am your best option
C++
Scrum
Video Game
Unity
C#
Game
Game Design
Front-End Development
React
React Bootstrap
Virtual Reality Game
VR Application
Virtual Reality
Lorenzo Abraham C.
Mexico City, Mexico
$26/hr
4.0
25 jobs
โข About 14 years of experience in designing, developing web applications using JAVACRIPT, JQUERY, HTML 4/5, CSS 2/3, LESS, SASS, jQuery, React JS, Redux, Redux tunk, saga, Apollo, Angular JS (2...8+), XML and JSON.
โข About 9 years of experience development and implementation of Internet/Intranet applications using C#, ASP.NET MVC, RAZOR, VB.NET, ADO.NET, Entity Framework, VB Script , Silverlight, XML, UML and PL/SQL and SQL Server.
โข About 9 years of experience in back end using PHP with and without frameworks such as LARAVEL, Zend, Cake, CodeIgniter, DRUPAL, JAVA
โข Experience creating and consuming web services (REST, SOAP) with WEB API Integration, WCF.
โข Extensive experience in developing web pages using HTML/HTML5, XML, DHTML CSS/CSS3, SASS, LESS, JavaScript, React JS, Redux, Flex, Angular JS (2, 4, 6, 8, 9), Node.js, Express, Mongo, Ajax.
โข Good Expertise in analyzing the Document Object Model (DOM) Layout, DOM Functions, and Java Script functions, Cascading Styles across cross-browser using Fire Bug, Developer Tool Bar.
โข Expertise to develop the SPA using Angular 1x+, React, Vue using components, TypeScript.
โข Experience in developing web application using Backbone, Type Script, Node JS, EMS 5/6, Lodash.
โข Experience with front-end development of responsive solutions using LESS, SASS, CSS3 and Bootstrap, Materialize, Prime.
โข Experienced as a User Interface/Front End Developer in developing applications using HTML/HTML5, CSS/CSS3, JavaScript, jQuery, Ajax and JSON.
โข Experience with NoSQL Database such as MongoDB
โข Replaced existed JQuery code with Angular JS2 code, which decreased number of lines of code for a web application
โข 9+ years of full-stack developer who has been in the whole process of develop complex solutions for several purposes: management, financial, sales, purchase, marketing and HR in wide range of technologies, tools and frameworks.
โข 9+ years of experience with database development and management: MySQL, SqlServer, Oracle.
โข Proficient Object Oriented programmer in PHP, JavaScript.
โข Expert in developing windows applications, Service Oriented Architecture (SOA) based Applications, web applications, windows services in Microsoft Visual Studio.
โข Experience in creating interactive design deliverables such as Wireframes, Site maps, Process maps, Mockups, UI Specification, Working prototypes, UX Design techniques and other artifacts to describe the Intended user experience.
โข Experience in using MySQL databases to write complex SQL queries, and familiarity with databases like SQL
โข Experience in Jira tools to manage the activities.
โข Extensive experience in using SQL to write Stored Procedures and Triggers.
โข Designed the front-end applications, user interactive (UI) web pages using web technologies like HTML and CSS.
โข Experience using Docker to create images for the projects.
โข Very good expertise in the design and development of web forms using HTML, ASP.NET AJAX, CSS, Typescript, Bootstrap, Knockout.JS, Angular.JS, Node.JS and XML.
โข Experience using API Video player such as JW Player, Kaltura.
โข Experience on developing Responsive web Design using Adobe Photoshop CS5/CS6 and Illustrator CS6 and experienced in designing components and services by using object oriented analysis and design techniques.
MongoDB
PHP
C#
Angular 6
React
ASP.NET MVC
Laravel
Node.js
TypeScript
Java
Sergio F.
Cdmx, Mexico
$60/hr
4.9
41 jobs
I do AI workflows and implement apps with AI assisted development:
- Analysis of the business problem, design of the AI solution, implementation with Antigravity or Claude Code, code review by myself, deployment to cloud provider.
- Orchestration with Langchain, and custom development.
- Deployment of OSS models with Ollama and Cloud GPU providers.
- Connections with 3rd party apps.
- AI evaluation and continuous testing, for production models, using harnesses and rubrics.
Software Architecture & Design
Amazon Web Services
Project Management
IBM Watson
Google Cloud Platform
Technical Analysis
IBM Bluemix
Budget Management
Firebase
Mac OS App Development
Process Architecture
Blockchain Development
Project Plans
IT Recruiting
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