Sergio Rodrigo Cárdenas Rivera

// about

About Me

Software engineer from Cochabamba, Bolivia — building web, mobile and data products since 2014.

I am a software engineer with a strong background in full-stack web development, mobile, and data science. I have expanded my technical skills into data engineering, machine learning and deep learning through continuous training and a strong commitment to lifelong learning.

I bring proactivity, clear communication and adaptability to development teams, which lets me integrate efficiently with new technologies, workflows and methodologies. Combining solid technical skills with creativity and problem-solving, I aim to deliver measurable impact in complex, high-value projects.

// highlights

Tech Lead on international projects across Latin America, Israel and Korea
Master's candidate in Data Science & Smart Technologies
University professor and hackathon mentor
Double degree: Systems Engineering & Informatics Engineering

Full-Stack Development

React, Next.js, NestJS, Flask and FastAPI — from UI to API

Data & Machine Learning

Data engineering, scikit-learn and applied ML on real business data

Cloud & DevOps

AWS (S3, Amplify, RDS, Lambda), Docker and Git workflows

Leadership & Teaching

Tech lead, university professor and hackathon mentor

// experience

Working Experience

From Salesforce agency work to data engineering to leading an international product team.

Software Engineer — Tech Lead
Apr 2025 — Present
SHEMA YISRAEL S.R.L. · Cochabamba, Bolivia
Company delivering international software projects throughout Latin America, Israel and Korea. As team leader I run the agile process, organize the team, and develop and review feature implementations.
- Full-stack web development with Next.js, NestJS and PostgreSQL
- Deployments on AWS with S3, Amplify and RDS
- Native mobile development with React Native
Next.jsNestJSPostgreSQLAWSReact Native
Data Engineer
Aug 2024 — Nov 2024
Alicorp · Remote
Food-industry company with a huge volume of sales and customer data, offering the best deals to their customers.
- Unsupervised machine-learning algorithms for customer segmentation
- Python with ML libraries such as scikit-learn
- Data visualization with matplotlib
- Database management and queries with SQL Server and PostgreSQL
Pythonscikit-learnmatplotlibSQL ServerPostgreSQL
Software Engineer
Dec 2021 — Feb 2024
Oktana Corporation · Remote
Software development agency helping companies innovate with Salesforce technologies.
- Web applications with Python: Flask, FastAPI, SQLAlchemy, Docker and the Rasa framework
- NLP application building WhatsApp chatbots with the Meta API
- Front-end projects with TypeScript, Tailwind CSS, Next.js, Prisma, PostgreSQL, Heroku and AWS S3
- Salesforce demos with Aura and Lightning Web Components
FlaskFastAPIReactRasaNext.jsSalesforce

// skills

Skills & Technologies

A toolkit for building modern, scalable applications across the entire stack.

// Languages

PythonJavaJavaScriptTypeScriptVBA

// Front-end

HTMLCSSReact.jsVue.jsNext.jsNode.jsTailwind CSS

// Back-end

FlaskFastAPIExpress.jsNestJS

// Databases

PostgreSQLMySQLMongoDBSQL ServerFirebase Storage

// Cloud (AWS)

AmplifyLambdaRDSS3

// DevOps & Tools

DockerGit

// Mobile

Android (Java / Kotlin)React Native

// Salesforce

LWCAuraApexSOQLSOSL

// projects

Projects

Selected personal and professional work — from native Android to computer vision to this site.

Computer Vision · AI

2021

Video Surveillance Smart System

AI-powered home surveillance system for real-time fire, smoke and human detection.

Client-server architecture for distributed video processing
Real-time frame capture with server-side image-processing pipeline
Pre-trained neural network for human silhouette detection
Automated alerts via SMTP and the WhatsApp API

PythonOpenCVNeural NetworksHTTP streamingview

Android · Mobile

2018

Media Box Player

Native Android application for cloud-based multimedia streaming.

Model-View-Presenter architecture for maintainability
Dropbox API integration with secure OAuth authentication
Adaptive video streaming with ExoPlayer
Background threads and async data loading for performance

JavaAndroid SDKExoPlayerDropbox APIview

NLP · Conversational AI

2022 — 2024

WhatsApp NLP Chatbots

Production chatbots for WhatsApp built at Oktana with natural language processing.

Conversational flows built on the Rasa framework
Meta API integration for WhatsApp messaging
Python back-end services with Flask and FastAPI

RasaPythonMeta APINLP

Web · Portfolio

2026

srodrigo23.dev

This site — a fast, single-page portfolio built with the App Router.

Next.js 16 with React Server Components
Tailwind CSS v4 theme tokens, single dark theme
Scroll-linked reveal animations with IntersectionObserver

Next.jsTypeScriptTailwind CSSview

// education

Education & Certifications

Two engineering degrees, an ongoing master in data science, and a habit of collecting certificates.

// degrees

Master in Data Science & Smart Technologies
(Current)
Oruro's Technical University · Remote
Postgraduate Diploma in Higher Education Teaching
(2021)
San Simón University · Cochabamba, BO
Informatics Engineering
(2018 — 2021)
San Simón University · Cochabamba, BO
Systems Engineering
(2011 — 2018)
San Simón University · Cochabamba, BO

// certifications

React Front-End Developer (Role)
HackerRank
React (Basic)
HackerRank
Crash Course in Python
Coursera
Trailhead Ranger Level
Salesforce Trailhead
Salesforce Developer 1
Salesforce Trailhead
Python (Basic)
HackerRank
Java (Basic)
HackerRank
Problem Solving
HackerRank

// contact

Get In Touch

Open to interesting projects, teams and collaborations. The fastest way to reach me is email — I usually reply within a day.

Emailrodrigosergio93@gmail.com

Phone+591 77418588

_CÁRDENAS RIVERA