Ángel Javier Ramírez Abundis

Ángel Javier Ramírez Abundis

Sociologist • Full-Stack Developer

Brillante #709, Col. Centro, Guadalajara, Jalisco, Mexico, C.P. 44280

Executive Summary

Sociologist & Computational Researcher with 7+ years leading public technology, applied AI (Computer Vision / NLP), and full-stack software development projects. Specialized in transforming complex social data problems into high-impact open-source technology platforms, data sovereignty tools, and interactive mapping systems. Founder of Tejer.RED and international speaker at FOSDEM (Belgium).

Applied Knowledge

1. Forensic Systems & Tech Sovereignty (Tejer.RED)

2021 – Present
Founded Tejer.RED, architecting open-source software tools to empower search collectives and forensic identification in Mexico:
  • Semantic Cartography: Geolocated and mapped 3,000+ reports using spatial DBSCAN clustering algorithms.
  • Tattoo Correlation System: TF-IDF vectorization & embeddings pipeline uncovering 250+ potential matches between unidentified deceased and missing persons registries.
  • Collaborative Journalism & Evidence Search: Open-access platforms designed to democratize the use and visualization of institutional information for the identification of missing persons, developed in partnership with Animal Político and ZonaDocs.

2. Pioneering Research in AI, NLP & Data Inference (UdeG & FOSDEM)

2020 – 2024
Pioneered computational social science research on transnational freight train graffiti across North America (CONACYT Master's Thesis):
  • Data Mining & Computer Vision (ResNet): Engineered the automated Python/SQL bot idmb and developed a custom CNN model using open-source tools like the TensorFlow library for pictorial style identification.
  • Natural Language Processing (spaCy): Built NLP text pipelines for subcultural identity discourse analysis.
  • International Speaker (FOSDEM 2024, Belgium): Delivered technical talk on graph node reduction using Graphology & SigmaJS. Published peer-reviewed papers in Portugal and Ecuador.

3. Full-Stack Web Architecture, Graph Systems & Augmented Reality (DVI & AR)

2017 – 2023
Engineered high-performance interactive web applications and immersive digital experiences:
  • DVI Interface: Real-time web rendering of complex relational graphs using ForceAtlas layouts with SigmaJS, Graphology, and SQL databases.
  • Interactive Web & AR Installation (Recorriendo el tRAzo): Interactive SVG web app and an Augmented Reality installation mounted at UdeG Central Library.
  • Text Mining Software (Amoxeh WP Plugin): Built custom PHP/MySQL plugin for text corpus curation and analysis across 300+ news articles.

Work Experience in Companies & Organizations

Web Developer — Balam Studio Creative Media

Oct 2021 – Oct 2024

Zapopan, Mex. (Remote). Advanced WordPress and WooCommerce e-commerce development (custom themes/plugins), alongside custom React, JS, and PHP solutions. GNU/Linux/Apache server deployments.

Web Developer — Uzu Digital / Nauka

Oct 2017 – Nov 2020

Guadalajara, Mex. Built corporate websites in WordPress and e-commerce stores in WooCommerce (custom adaptations and plugins), alongside PHP/MySQL programming. Linux/Apache server administration.

Data Analyst Intern — MONDO MARKETING (問答マーケティング)

Ago 2018 – Dic 2018

Nagoya, Aichi Prefecture, Japan. Data analysis of digital marketing campaign metrics, relational social media analytics, and digital communication reporting.

Web & Content Developer — Nuvi Global

Feb 2017 – Oct 2017

Zapopan, Mex. Design and development of the new institutional portal, digital brand positioning strategies, and audiovisual content production.

Content Developer & Digital Consultant — Atama Estrategia Creativa

Oct 2015 – Oct 2016

Zapopan, Mex. Visual identity and digital communication design for #GobiernoAbiertoJal (ITEI Jalisco / OGP Mexico), #Protocolo409 citizen platform, and public sector media strategy.

Web Designer & Developer — Web-Gdl

Jun 2013 – Oct 2015

Guadalajara, Mex. Implemented corporate WordPress portals and WooCommerce shopping carts with custom themes, alongside PHP + MySQL/JS web programming and organic SEO.

Production & Field Operations Assistant — Centura Building Systems (Canadá) & Dadicas (EE. UU.)

2022 – 2024

Vancouver, Canada & San Diego, US. Structural assembly, surface finishing, heavy logistics, and industrial machinery operation (forklift) in international environments.

Featured Tech & Open-Source Projects

Modelo de Reconocimiento de Entidades Nombradas en Hashtags de Graffiti— (Hashtag Graffiti Named Entity Recognition Model)

2023

Natural Language Processing (NLP) with spaCy: Analysis of the Identity Triad. NLP is used to analyze texts and hashtags to identify patterns expressing the 'I am, I exist, I was here' triad. Using spaCy, specialized dictionaries classify graffiti vocabulary across urban and digital spaces.

💻 NLP & Text Embeddings💻 Python & Data Mining🎯 graffiti

Modelo de Detección de Estilos de Graffiti— (Graffiti Detection Model)

2023

A TensorFlow-based tool for identifying graffiti styles and objects. Integrates SQL databases and FTP protocols for streamlined image processing and inference storage.

💻 Computer Vision (CNN ResNet)💻 Python & Data Mining🎯 graffiti

Bot de Minería de Datos en Instagram (idmb)— (Instagram Mining Data Bot (idmb))

2021

IDMB automates the collection and backup of Instagram data, focusing on posts tagged with specific freight graffiti hashtags. Built in Python using Instagrapi to store structured records in SQL databases.

💻 Python & Data Mining🎯 graffiti

Interfaz de Visualización de Datos (DVI)— (Data Visualization Interface (DVI))

2022

DVI is designed for the interactive visualization of data collected by IDMB. Built using PHP and JavaScript with Graphology, it generates complex network graphs to reveal subcultural interactions and influence patterns.

💻 React, Next.js & JS Full-Stack🎯 graffiti

Key Conferences & Publications

🎤 Reducción de nodos mediante inferencias de inteligencia artificial usando Graphology y SigmaJS: Un caso de estudio sobre conversaciones hipertextuales en el graffiti de trenes de carga en Norteamérica— (Node Reduction through Artificial Intelligence Inferences using Graphology and SigmaJS: A Case Study on Hypertextual Conversations in Freight Train Graffiti in the North American Region)

FOSDEM 2024 (February 3, 2024)

Technical proposal at FOSDEM 2024 to simplify relational hypertextual graphs using Graphology and SigmaJS.

🎤 Uso de modelos de clasificación de aprendizaje automático, tanto de imagen como de texto, en la graficación de redes. Caso de estudio: Comunidad de práctica entre escritores de graffiti en trenes de carga— (Use of Machine Learning Classification Models, both Image and Text, in the Network Graphing. Case Study: Community of Practice Among Graffiti Writers on Freight Trains)

DH_BUDAPEST_2022 (November 23, 2022)

Hybrid machine learning methodology (CNN + spaCy NLP) presented at DH Budapest 2022 to enrich relational networks in digital humanities.

🎤 Implicaciones de la perspectiva de las ciencias sociales computacionales en el análisis de conversaciones hipertextuales en Instagram sobre graffiti en trenes de carga— (Implications of the Computational Social Science Perspective in the Analysis of Hypertextual Conversations on Instagram around Freight Train Graffiti)

Urban Creativity Lisbon 2023 (July 6, 2023)

Methodological reflection in Lisbon 2023 on computational social science and its application to the study of transnational railway graffiti.

🎤 La ciudad, un palimpsesto comunicacional: El graffiti neoyorquino, su capacidad de crear circuito masivo de comunicación— (The City, a Communicational Palimpsest: New York Graffiti and its Capacity to Create a Mass Communication Circuit)

UNAM (February 4, 2022)

Analysis presented at UNAM on the semiotic capacity of New York-style graffiti to structure autonomous mass communication circuits.

🎤 El freight graffiti, una comunidad imaginada transnacional oculta en el margen de las vías del tren— (Freight Graffiti: A Transnational Imagined Community Hidden at the Margins of Railway Tracks)

IV International Congress SCC (July 2, 2021)

Lecture in Catalonia on the freight graffiti scene conceived as a transnational imagined community articulated by railway flows.

🎤 Cartografía de los Desaparecidos: Mapeo de Desapariciones Forzadas en Jalisco— (Cartography of the Missing: Mapping Forced Disappearances in Jalisco)

ORDEM 2025 (March 12, 2025)

Methodological presentation at ORDEM 2025 regarding the geospatial mapping of missing persons using Python NER and DBSCAN spatial clustering. Indexed in Zenodo.

🎤 Demo de la herramienta Amoxeh en el Quinto Encuentro de Humanidades Digitales 2021— (Demo of the Amoxeh Tool at the 5th Digital Humanities Encounter 2021)

Encuentro HD 2021 (November 10, 2021)

Roundtable at Encuentro HD 2021 detailing the design of Amoxeh for the curation and lexical analysis of print media.

📄 Tagging the Writer’s Trace: How Computational Social Science Shaped (my) Freight Graffiti Research

2024

Analysis of the impact of computational social science on the empirical study of freight train graffiti, integrating network mining and qualitative ethnography.

📄 Si la calle es el medio, la calle es el mensaje: Grafiti como estrategia de comunicación extraoficial en Guadalajara— (If the Street is the Medium, the Street is the Message: Graffiti as an Unofficial Communication Strategy in Guadalajara)

2024

Research on graffiti in Guadalajara conceived as an alternative circuit of unofficial communication challenging mass media stigmatization.

Core Tech Stack & Skills

Languages & Web Development:
PythonJavaScript (ES6+)React / Next.jsNode.jsPHPHTML5 / CSS3
AI, Machine Learning & NLP:
TensorFlowRoboflow (CNN / ResNet)spaCy (NLP)TF-IDF & EmbeddingsDBSCAN ClusteringOpenCV
Data Visualization & Graphs:
GraphologySigmaJS (ForceAtlas)Leaflet / GISRealidad Aumentada (MindAR)MySQL / PostgreSQL

Key Education

Master of Arts in Communication Studies

2020 – 2022

Universidad de Guadalajara • Becario CONACYT

Bachelor in Sociology

2012 – 2016

Universidad de Guadalajara • Titulado con Monografía e Investigación