Systems Engineer / Backend / AI

Hi, I'm Rocío!

I design and build AI products, scalable backend systems, and cloud infrastructure.

Buenos Aires6:06:33 PM
Available for selected projects

Selected projects

Real systems, AI-driven products, and backend platforms designed for scale.

Quanta- WCM
Quanta
Backend Architecture3rd-party API ConnectionsAutomated Data CollectionEnd-to-EndPythonPythonReactReact
2026

Results & impact

01Reduced quote generation time from days to minutes, roughly 90% to 95%, by centralizing pricing, contracts, and external integrations in one platform.

02Built the system end-to-end in 50% less time than estimated, aligned with a Gantt-based plan by task and hours while delivering full scope.

03Implemented a scalable architecture with SSO, daily automatic data sync at 6 AM, multi-currency, multi-language support, and automatic signing to enable consistent operations across multiple markets.

IA Tools
IA Tools
EducationAI PapersEnd-to-EndReactReactViteViteExpressExpressTypeScriptTypeScriptPrismaPrisma
2026

Results & impact

01Built the product end-to-end, from the user experience to the resource curation and organization logic.

02Centralized more than 100 AI tools into a single platform, reducing resource search time by 70% during hands-on classes.

03Designed an interface optimized for learning, improving student onboarding speed by roughly 50%.

04Standardized access to tools and workflows, enabling sessions that feel faster, clearer, and more productive.

01Currently designing an AI paper curation module aimed at reducing technology update time by 60% for students and professionals.

Svant / SvantLite- WCM
Svant / SvantLite
Data AnalyticsScalable BackendClimate TechGas & Oil IndustryJavaJavaReactReactAzureAzure
2025

Results & impact

01Scaled the Business Unit filtering system from 3 to 6 hierarchical levels, improving data segmentation and enabling sharper analysis across teams.

02Independently solved the full Azure infrastructure setup for SvantLite, including authentication, storage, and external credentials.

03Reduced environment setup time by 70%, removing technical blockers and unlocking external service integrations.

04Identified and documented critical missing configurations, improving overall system stability and team clarity.

Chat AI- Super
Chat AI
AI ChatNLPFine-tuningLooker StudioBigQuery3-layer ETLEnd-to-EndPythonPythonReactReactAWSAWS
2024

Results & impact

01Led the system end-to-end, connecting model behavior, data pipelines, natural-language querying, and product experience into one workflow.

02Built and deployed a private fine-tuned model, reducing hallucinations by around 35%.

03Designed ETL pipelines that did not previously exist, improving data availability and quality for the team.

04Implemented natural-language queries over structured databases and integrated the system with Google BigQuery for automated ingestion.

01Reduced insight turnaround time by 60% to 80% while handling large monthly query volumes.

Scoring Tool- Super
Scoring Tool
Computer VisionAnalyticsEnd-to-EndPythonPythonReactReactAWSAWS
2024

Results & impact

01Worked on the product end-to-end, from automated media processing to predictive performance logic.

02Reduced video editing time by 80% by automating long-form clipping into multiple social-ready assets.

03Built a predictive analysis model to estimate video performance based on variables such as people presence, brand duration, and text timing.

04Accelerated the content production workflow, moving from a heavily manual process to a semi-automated, data-informed one.

20+ company projectsMost shipped end-to-end

Career Path

Experience

A path centered on software engineering, AI systems, and production-ready delivery.

Apr 2026 - Present

Remote (Freelance)

Director, Prompt Engineering Diploma - Effective communication with generative AI models

Maritime Security University Institute | Argentine Naval Prefecture

Academic direction and curriculum design for a diploma focused on prompting, applied work with generative models, and professional AI usage. One module covers vibe coding with up-to-date 2026 tooling, including Codex, Claude Code, and Antigravity.

Apr 2025 - Present

Remote

Sr. Backend Developer

WildCat Media

End-to-end backend development, Azure architecture, deployments, and QA across multiple environments. Built systems for events, worked closely with frontend, and contributed to security decisions.

Aug 2024 - Mar 2025

Remote (Freelance)

AI Tools Professor

UNSTA & UFASTA

Designed and taught AI tools courses across two engineering faculties, connecting technical concepts with practical application.

Sep 2023 - Mar 2025

Remote

AI Architect Solutions Specialist

SuperLab

Built end-to-end AI systems integrating classification models, chatbots, OCR, NLP, LLMs, computer vision, SSO, and analytics dashboards.

Jul 2023 - Oct 2023

Remote (Freelance)

Data Analytics Tutor

CoderHouse

Supported students through technical mentoring, assignment reviews, and active follow-up during the learning process.

Feb 2022 - Dec 2022

Remote (Freelance)

Remote Sensing Professor

CONAE (National Commission on Space Activities)

Taught classes on spatial data usage and satellite imagery interpretation at Argentina's National Space Agency.

Dec 2018 - Apr 2023

Buenos Aires, Argentina

Software Developer

Argentine Naval Prefecture

Led legacy system reengineering and migration work while building new software and technical documentation.

Rocio Mendez portrait

About me

Technical depth, product judgment, and execution that holds up.

Hey! I'm Rocío Aldana Méndez, a Systems Engineer. I build AI products, backend systems, and cloud-heavy solutions with a strong bias for clarity, maintainability, and production readiness.

Base

Buenos Aires, Argentina

Focus

Backend systems, applied AI, and cloud infrastructure

Style

Senior ownership, clear thinking, and reliable delivery

Languages

Spanish - Native

English - B2 (EF SET)

Russian - B1 (MPGU)

Education

Systems Engineering - UdeMM (2020 - 2024)

Data Scientist - Henry Bootcamp (2022 - 2023)

Tech Stack

JavaPythonSQLNoSQLLLMsNLPComputer VisionAWSAzureGCPDockerGitPower BIRailwayVercelScrum

Certifications

  • AI Security and Software Protection - Santander Academy (2025)
  • AWS Cloud Foundations & Cloud Practitioner (2024)
  • ML Foundation & ML for NLP - AWS Academy (2024)
  • Git: Collaborative Development and OOP - Educación IT (2021)

Freelance / Collaboration / Consulting

Let's work together

I take on freelance builds, technical collaborations, and focused consulting for backend, AI, integrations, cloud delivery, and production improvements. We can work hourly or through a defined project scope.

Email

ingeniera.mendez.rocio@gmail.com

You can also email me directly if you want to discuss a freelance project, collaboration, or consulting session.

or find me on

Send me a message