Freelance Web Developer with Academic Rigor & Real Client Delivery.

I am José Maestre, a 21-year-old Computer Science student at Universidad del Zulia (18.55/20 • 3.71/4.0 US GPA, finished 5th semester, starting 6th) born and based in Maracaibo, Venezuela.

Over the past 6 months, I have worked as a freelance web developer engineering and deploying fast, zero-bloat web applications in Astro for clients in Miami and Puerto Rico, handling requirements and client communication directly. On the backend, I engineer structured Python, Flask, and SQLAlchemy systems with relational ORM inheritance, automated test suites, and resilient AI fallbacks.

18.55 / 20 3.71 / 4.0 US GPA (Top ~1%)
40 hrs/wk Full-Time Dedication
3 Live Sites Production Client Work
UTC-4 100% US East Coast Overlap
jose-profile.json Verified Facts
"name": "José Andrés Maestre Horcadela",
"age": 21,
"location": "Maracaibo, Venezuela (UTC-4)",
"degree": "Lic. en Computación (LUZ)",
"gpa": "18.55 / 20 (3.71 / 4.0 US GPA)",
"commitment": "Full-Time Remote (40 hrs/wk)",
"certifications": [
"CS50x (Harvard edX Verified)",
"Cisco CCNA (Certified through 2024)",
"freeCodeCamp Responsive Web (2019)"
],
"audit_coursework": [
// Completed coursework without certs
"MIT 6.00.1x (Python & Algorithms)",
"INE Penetration Testing Student"
],
"recent_freelance": [
"airthrone-miami.com (Miami HVAC)",
"mamborealtypr.com (Puerto Rico RE)",
"psicarlaperrotta.com (Clinical Practice)"
]

Why Hire Me? High Agency & Real Production Delivery

What makes a dedicated 21-year-old Computer Science student with live client production experience the ideal freelance web developer for your projects?

Generic Bootcamp / Junior
Tutorial-Trained Limited low-level comprehension
  • Superficial framework knowledge without underlying CS foundations
  • Rarely writes automated unit tests or relational schema migrations
  • No real client communication or production deployment experience
Outsourced Dev Agency
High Overhead Intermediary delays & churn
  • Frequent developer churn hidden behind project managers
  • Bloated communication chains rather than direct engineer feedback
  • Often significant timezone delays (10-12 hr time difference)

Principles of How I Work With US Teams

Transparency and engineering discipline create lasting partnerships.

01

Complete Focus & High Agency

I take end-to-end ownership. When given a problem, I analyze requirements, design component hierarchies in Astro or schemas in SQLAlchemy, write automated tests, and deliver reliable solutions.

02

Zero Senior Ego, Pure CS Fundamentals

I do not inflate my credentials. I bring academic rigor (18.55/20 • 3.71/4.0 US GPA), low-level knowledge (C, memory, OS, algorithms), real client experience in Astro, and an insatiable desire to solve real problems cleanly.

03

Synchronous Collaboration in US Timezones

Maracaibo is in UTC-4 (matching Miami / Eastern Time during EDT, and 1 hour ahead during EST). We can jump on Slack, Google Meet, or pull request reviews in real-time during your standard workday.

25/25 Tests Passing (100%) 5th Semester LUZ Capstone

TrainerApp: Weight Training Routine Management

Web Platform with Joined-Table Inheritance, Resilient AI & Audit Logging

Institution: Universidad del Zulia (LUZ) Course: Ingeniería del Software (5th Semester) Host: Professor's Laboratory Repo
⚠️

The Engineering Challenge

Personal trainers and athletes frequently rely on fragmented spreadsheets, unstructured messaging chats, or opaque mobile apps that fail to track progressive overload mathematically, lack real-time synchronization, and suffer outages when external third-party cloud services or APIs go down.

✅

The Architectural Solution

Architected a decoupled, layered MVC system in Python/Flask with SQLAlchemy ORM using Joined Table Inheritance (Usuario -> Entrenador / Cliente). Integrated an AI routine generator via Google Gemini backed by a deterministic local heuristic fallback engine that guarantees 100% uptime even if API keys or cloud connections are severed.

25 / 25 Unit Test Coverage 100% passing automated test suite
100% High Availability Zero downtime via offline heuristic fallback
JTI Pattern Architecture Clean relational polymorphic inheritance
HTTP 401 Security Verification Forensically verified key rotation & git-filter-repo

Freelance Client Work (Past 6 Months)

Over the past six months, I have worked directly with US and regional clients to design, build, and deploy fast web applications using Astro. I manage end-to-end delivery: requirements scoping, bilingual communication, DNS routing, and Cloudflare CDN deployment.

Commercial Client (Miami, FL) Live in Production

Airthrone Services Inc.

Luxury HVAC & Commercial Cooling Solutions in South Florida

The Client Need

The client needed a high-end web presence that reflects the premium caliber of their luxury residential and commercial installations across Miami and Broward, with instant mobile loading times and frictionless lead capture.

What I Delivered & Communicated

Built a zero-bloat static site in Astro deployed on GitHub Pages with Cloudflare edge caching, semantic HTML5, localized meta tags, high-converting service showcases, and direct emergency call/quote triggers.

Scope & Execution

  • Held remote client discovery meetings to define brand positioning and lead acquisition flow.
  • Structured mobile-first component hierarchy in Astro with zero heavy JavaScript overhead.
  • Configured custom domain DNS records, SSL certificates, and Cloudflare CDN caching rules.
  • Delivered ongoing content updates and performance maintenance.
AstroTypeScriptResponsive CSS3GitHub PagesCloudflare DNS & Edge SSLSEO & OpenGraph Optimization
Commercial Client (Puerto Rico) Live in Production

Mambo Realty Puerto Rico

Real Estate Investment & Cash Home Acquisition Portal

The Client Need

Property owners facing urgency needed an authoritative, trustworthy, and ultra-fast platform to understand the cash-sale process and submit their property information without friction.

What I Delivered & Communicated

Designed a clean, confidence-building user interface with Astro, highlighting the 3-step acquisition process, privacy guarantees, direct WhatsApp/phone dispatch, and fast property questionnaire forms.

Scope & Execution

  • Crafted conversion-optimized layout emphasizing rapid cash acquisition steps and trust indicators.
  • Engineered responsive lead capture interface tailored for mobile-dominant users.
  • Managed deployment pipelines on GitHub Pages and Cloudflare edge network.
AstroModern CSSGitHub PagesCloudflare CDNConversion Rate Optimization (CRO)
Commercial Client Live in Production

Carla Perrotta | Psicóloga Clínica

Professional Clinical Psychology Practice & Patient Intake Portal

The Client Need

Patients seeking psychological therapy need an emotionally reassuring, private, and frictionless way to review specialties, learn about treatment methodologies, and schedule appointments without overwhelming UI.

What I Delivered & Communicated

Developed an elegant, soothing interface using Astro with warm typography, clear service taxonomy, FAQ sections, and direct WhatsApp / session booking integrations.

Scope & Execution

  • Consulted directly with the practitioner to create a tone of trust, privacy, and clinical credibility.
  • Structured comprehensive FAQ and specialty guides with search-engine-friendly schema.
  • Optimized imagery and layout for mobile devices used by over 80% of inbound therapy inquiries.
AstroSemantic HTML5Accessible CSSGitHub PagesCloudflare Edge
Licenciatura en Computación (BS in Computer Science) GPA: 18.55 / 20.0 • 3.71 / 4.0 US 26 Courses Approved

Computer Science at Universidad del Zulia (LUZ)

Completed 5 full semesters and starting the 6th semester with an official 18.55 / 20 grade average (3.71 / 4.0 US GPA equivalent) (top ~1% of cohort). Verified directly from the official LUZ Web del Estudiante academic transcript.

18.55 / 20
3.71 / 4.0 US GPA
Sobresaliente / Magna Cum Laude Tier (Top ~1% of cohort) Official: 18.545 (3.71) • Projected: 18.63 (3.73) View Official Transcript
9 Courses Perfect 20 / 20
6 Courses High 19 / 20
26 Courses Total Approved
20 / 20 Software Engineering

Rigorous Systems, Algorithmic & Engineering Foundation

My training combines low-level computer systems (C/C++, memory management, operating systems, and network protocols) with mathematical analysis, graph theory, relational databases, and software engineering.

Verified Academic Status: 24 courses officially recorded on transcript (18.545 / 20.0 average). Two completed subjects are in final administrative recording: Metodología de la Investigación (20) and Teoría de la Computación (19), setting the cumulative average at 18.625 / 20.0.
US GPA Conversion & Scale Equivalence: Universidad del Zulia evaluates coursework on a 0–20 scale (10 is minimum passing; 16–20 denotes the highest honor tier, Sobresaliente). An 18.55 / 20.0 cumulative score represents 92.75% of total points, which directly converts to a 3.71 / 4.0 GPA on the standard US university 4-point scale (Magna Cum Laude tier, top ~1% of cohort). With the two pending coursework uploads (20 and 19), the projected average reaches 18.625 / 20.0 (3.73 / 4.0 US equivalent).
Semester 5

5th Semester (Completed)

Periodo 1-2026
Recently Completed
961612 INGENIERÍA DEL SOFTWARE (Software Engineering)
20 / 20

Full SDLC execution: requirements specification, UML domain modeling, Joined Table Inheritance (JTI), and automated unit testing. Engineered TrainerApp with 100% test pass rate.

961610 ANÁLISIS NUMÉRICO (Numerical Analysis)
19 / 20

Floating-point error analysis, root-finding algorithms, numerical linear algebra, polynomial interpolation, and numerical calculus.

961611 TEORÍA DE LA COMPUTACIÓN (Theory of Computation)
19 / 20 (Pending Upload)

Automata theory, regular expressions, context-free grammars, Turing machines, decidability, and computational complexity (P vs NP).

961613 SISTEMAS OPERATIVOS I (Operating Systems I)
18 / 20

Kernel architecture, process scheduling, concurrency primitives (semaphores, mutexes), memory virtualization, paging, and POSIX system calls.

961628 EE: AUDITORÍA DE SISTEMAS (Systems Auditing (Elective))
17 / 20

IT controls, continuous audit logging, access control evaluation, forensic trace investigation, vulnerability analysis, and security compliance.

Semester 4

4th Semester (Completed)

Periodo 2-2025
Completed
961607 INTRODUCCIÓN A LA TEORÍA DE GRAFOS (Introduction to Graph Theory)
20 / 20

Trees, bipartite graphs, planarity, Eulerian/Hamiltonian circuits, BFS/DFS algorithms, Dijkstra shortest paths, and network flows.

961606 INVESTIGACIÓN DE OPERACIONES (Operations Research & Optimization)
20 / 20

Linear programming, simplex algorithm, duality theory, transportation and assignment models, and discrete optimization.

94D001 FGE: METODOLOGÍA DE LA INVESTIGACIÓN (Research Methodology)
20 / 20 (Pending Upload)

Scientific method, experimental design, research formulation, empirical data collection, and academic technical writing.

961608 FUNDAMENTOS DE BASES DE DATOS (Fundamentals of Database Systems)
19 / 20

Relational algebra, normalization (1NF through BCNF), SQL queries, indexing, transaction management (ACID), and schema integrity.

961609 PP3: REDES DE COMPUTADORES (Computer Networks (Practice))
19 / 20

TCP/IP & OSI protocols, packet routing, socket programming, flow control, subnetting, and network analysis with Wireshark.

Semester 3

3rd Semester (Completed)

Periodo 1-2025
Completed
961604 ESTRUCTURA DE DATOS (Data Structures)
20 / 20

Abstract data types, balanced search trees (AVL), binary heaps, hash tables, and asymptotic time/space complexity analysis.

900112 PROBABILIDAD Y ESTADÍSTICA (Probability & Applied Statistics)
20 / 20

Probability distributions, random variables, hypothesis testing, confidence intervals, and regression modeling.

900108 ÁLGEBRA LINEAL (Linear Algebra)
19 / 20

Vector spaces, linear transformations, matrices, determinants, eigenvalues, eigenvectors, and orthogonal projections.

961605 PP2: ARQUITECTURA DEL COMPUTADOR Y REDES (Computer Architecture & Networks (Practice))
19 / 20

Instruction set architectures, CPU pipelining, cache memory hierarchies, buses, and digital logic design.

94T114 AAD: LECTURA DE MAPAS Y NAVEGACIÓN SATELITAL (Map Reading & Satellite Navigation)
Aprobado (SA)

Geographic coordinate systems, GIS fundamentals, and GPS/satellite positioning protocols.

Semester 2

2nd Semester (Completed)

Periodo 2-2024
Completed
900106 CÁLCULO II (Integral Calculus)
20 / 20

Techniques of integration, improper integrals, infinite series, convergence tests, and power series expansions.

94C023 FGECT: VENEZUELA Y DESARROLLO CIENTÍFICO Y TECNOLÓGICO (Scientific & Technological Innovation)
20 / 20

Technological sovereignty, industrial development history, scientific research ecosystems, and digital transformation.

961603 ALGORITMOS Y PROGRAMACIÓN II (Algorithms & Programming II)
18 / 20

Recursive algorithms, dynamic memory allocation, pointers, sorting algorithms, and modular object-oriented architecture.

94B003 FGHA: MODO DE VIDA E IDENTIDAD NACIONAL (Socio-Cultural Context)
18 / 20

Sociological analysis of national culture, historical identities, and ethical responsibilities of technological professionals.

900107 MATEMÁTICA DISCRETA (Discrete Mathematics)
16 / 20

Set theory, relations, functions, Boolean algebra, propositional logic, and proof techniques.

Semester 1

1st Semester (Completed)

Periodo 1-2024
Completed
900115 LÓGICA MATEMÁTICA (Mathematical Logic)
20 / 20

Propositional calculus, truth tables, deductive inference rules, formal proofs, and predicate logic.

94A003 FGCH: INGLÉS BÁSICO (Technical English)
18 / 20

Technical reading comprehension, computational syntax, documentation review, and written professional communication.

900105 CÁLCULO I (Differential Calculus)
17 / 20

Limits, continuity, derivative definitions, chain rule, implicit differentiation, and optimization problems.

961601 ALGORITMOS Y PROGRAMACIÓN I (Algorithms & Programming I)
16 / 20

Structured programming, control flow structures, functions, arrays, and algorithmic problem-solving in C/C++.

961602 PP1: INTRODUCCIÓN A LA COMPUTACIÓN Y SHA (Intro to Computer Science & SHA)
15 / 20

History of computing, von Neumann architecture, binary representation, and laboratory safety and hygiene protocols.

900501 ORIENTACIÓN I (Academic Orientation)
Aprobado (SA)

University regulations, study methodologies, and professional ethics in Computer Science.

Certifications, Coursework & Audit Disclosure

I believe in complete transparency with potential clients and employers. Here is the verified status of my certifications, what has lapsed, and the rigorous independent coursework I completed in audit mode.

Official Certificate 2023

CS50x: Introduction to Computer Science

Harvard University (edX)

Rigorous foundation in computer science and the art of programming. Covers computational thinking, algorithms (sorting, searching), memory management in C (pointers, heap, stack, Valgrind memory leak debugging), data structures (linked lists, trees, hash tables), Python, SQL, and web fundamentals.

Skills & Knowledge:
CPythonSQLPointers & MemoryAlgorithmsData StructuresLua & Game Dev
Honesty Note: Official verified certificate issued with ID 0844d3cc-f49d-4ab0-bc3f-672ea5e78910 upon passing all problem sets and final project.
Certified (Lapsed 2024) Certified through 2024

Cisco Certified Network Associate (CCNA)

Cisco Systems

Deep networking architecture: IP addressing and VLSM subnetting, OSI and TCP/IP stack layers, routing protocols (OSPF, static routing), Ethernet switching (VLANs, trunking, STP), ACL security rules, DHCP/DNS, and packet inspection.

Skills & Knowledge:
TCP/IP & OSI ModelsSubnetting (IPv4/IPv6)Routing & SwitchingDNS / DHCP / NATPacket AnalysisNetwork Security
Honesty Note: Earned and verified CCNA certification on Credly (Badge ID 41ba4d13). Transparently noted that active renewal lapsed in 2024, but the engineering foundation in enterprise networking remains 100% active.
Official Certificate 2019

Responsive Web Design Certification

freeCodeCamp

Completed in 2019 at age 14, certifying 300+ hours of foundational responsive web design coursework. Demonstrates over 7 years of sustained dedication to web technologies.

Skills & Knowledge:
HTML5CSS3Responsive Web DesignFlexboxCSS GridWeb Accessibility (a11y)
Honesty Note: Official freeCodeCamp certificate issued under username @elshelin verifying all 5 required responsive web projects.
Completed Coursework (Audit) Completed Coursework

MIT 6.00.1x: Intro to Computer Science and Programming in Python

Massachusetts Institute of Technology (MITx / edX)

Completed full syllabus and problem sets covering computational models, algorithmic complexity (Big-O), search/sorting algorithms, and object-oriented program design.

Skills & Knowledge:
Python 3Algorithmic ComplexityObject-Oriented ProgrammingUnit TestingRecursionProblem Set Labs
Honesty Note: Coursework, labs, and problem set solvers completed in audit mode. Transparent code artifacts include 3 verified repositories on GitHub: HangGame (Hangman logic), WordGame (hand/word scoring), and Story-Decrypter (Caesar cryptanalysis).
Completed Coursework (Audit) Completed Coursework

eJPT / Penetration Testing Student (PTS)

INE Security

Completed intensive practical cybersecurity training covering web application attacks (SQL Injection, Cross-Site Scripting, CSRF, broken access control), network reconnaissance, privilege escalation, and vulnerability assessment.

Skills & Knowledge:
Web Application SecurityOWASP Top 10Network ReconnaissanceBurp Suite & NmapDefensive CodingThreat Analysis
Honesty Note: Coursework and labs completed for deep security grounding. Gives me a security-first engineering mindset when designing APIs, handling user input, and protecting databases.

Low-Level Programming & Algorithmic Problem Solving

Beyond web development, I build games with custom 2D engines in Lua and implement complex graph algorithms in C++ and Python.

Harvard CS50x Final Project Lua

Cyberpunk City: 2D Action Platformer

Custom 2D Game Engine Implementation in Lua & LÖVE2D

A 2D cyberpunk action-shooter video game developed in Lua and LÖVE2D as the capstone final project for Harvard's CS50x course. Demonstrates low-level programming mechanics, the core game loop, and spatial collision algorithms.

LÖVE2D Framework
Tiled Map Engine
CS50x Capstone
LuaLÖVE2DTiled Map EditorGame Physics & State Machines
LUZ Computer Science Lab C++

Algorithmic Solutions & Graph Theory Suite

University Computer Science Laboratory & Competitive Problem Solving

Collection of advanced algorithmic implementations in C++ and Python covering graph theory (including the dedicated Teoría de Grafos university repository awarded a perfect 20/20 grade), dynamic programming, tree traversals, and cipher decryption developed during university coursework at Universidad del Zulia and MIT 6.00.1x problem sets.

Graphs & Trees Core Topics
Optimized Complexity
C++ & Python Languages
C++Python 3Graph TheoryData StructuresDynamic Programming

Technical Skills & Proficiency Matrix

A breakdown of the tools, languages, and architectures I work with daily, categorized by practical application and production readiness.

Backend & Systems Engineering

Architecting reliable servers, relational data models, and resilient business logic.

Python 3 Core

Primary backend language; OOP & algorithmic problem solving

Flask Core

Production MVC applications, routes, blueprints, sessions

SQLAlchemy 2.0 Core

Joined Table Inheritance (JTI), relationships, migrations

Alembic / Flask-Migrate Proficient

Database schema versioning & migration scripts

RESTful API Design Core

Clean endpoints, status codes, JSON serialization

Session Auth & Security Core

Flask-Login, password hashing (Werkzeug), CSRF protection

Automated Testing Core

Python unittest, test suites, isolated test databases

C / C++ Proficient

Pointers, memory management, CS50x & LUZ algorithms

Frontend & Web Performance

Building blazing-fast, responsive web experiences with zero wasted runtime overhead.

Astro Core

Primary web framework; zero-JS island architecture, SSG

TypeScript / JavaScript Core

Strict typing, DOM manipulation, asynchronous code

Modern CSS / CSS3 Core

CSS Grid, Flexbox, container queries, logical properties

Responsive Web Design Core

Mobile-first layouts, fluid typography, no layout shifts

Core Web Vitals Proficient

LCP, CLS, INP optimization, image formats (WebP/AVIF)

Bootstrap 5 Proficient

Enterprise admin dashboards, responsive grids

Networking & Infrastructure

Solid networking foundations from CCNA coursework and real-world domain deployments.

Cisco Networking (CCNA) Core

TCP/IP, OSI layers, IPv4/IPv6 subnetting, routing, VLANs

Cloudflare Core

DNS management, edge caching rules, SSL/TLS, custom domains

GitHub Pages & CI/CD Core

Automated site deployments, repository workflows

Linux / Shell (Bash) Core

Daily driver environment, scripting, process inspection

Git & Version Control Core

Branching, rebase, and git-filter-repo history forensics

Security & Applied AI

Defensive programming and robust AI integration designed for high availability.

Defensive Web Security Proficient

INE PTS coursework; OWASP Top 10, SQLi & XSS mitigation

Incident Remediation Core

git-filter-repo sanitization, credential revocation verification

Continuous Audit Logging Core

Flat-file audit trails for non-repudiation and forensic logs

Google Gemini API Proficient

Prompt engineering, structured inputs, error resilience

Deterministic Heuristic Fallbacks Core

Guaranteeing 100% availability when cloud AI fails

Let's Build Together: Contact Me

I am immediately available for freelance web development with US clients. Whether you need a dedicated developer to build and maintain fast Astro sites, develop robust Python backends, or solve web performance bottlenecks, I'm ready.

Direct Outreach

Reach out directly via email or LinkedIn. I respond promptly within US Eastern Time business hours.

Ready to Discuss an Opportunity?

Whether you are looking to hire a dedicated freelance web developer, need fast Astro frontends, or want to discuss a new web project, I'd love to connect.

Contact Me

Engagement Summary

  • Role Focus: Freelance Web Developer
  • Commitment: Full-Time / Contract (40 hrs/week)
  • Location: Maracaibo, Venezuela
  • Timezone: UTC-4 (US Eastern Time)
  • Availability: Immediate
  • Languages: English (Professional) & Spanish (Native)
  • Contract & Billing: Open to standard arrangements (Zelle, Wise, Deel, Bank Wire)

"I don't pretend to be an architect with 15 years in Silicon Valley. I am a hungry, academically rigorous 21-year-old Computer Science student who delivers clean code, writes tests, speaks directly with clients, and shows up every single day."

— José Maestre