srodrigo23.dev
Portrait of Sergio Rodrigo Cárdenas Rivera

CÁRDENAS RIVERA

> Software Engineer · Tech Lead

I build full-stack web products, mobile apps and data solutions — currently leading an agile team shipping international software with Next.js, NestJS and AWS.

Cochabamba, Bolivia

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// 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.

  1. 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

  2. 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

  3. 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

Home surveillance that spots fire, smoke and people live.

  • Distributed client-server video processing
  • Neural network for human detection
  • Alerts over SMTP and WhatsApp

Python · OpenCV · Neural Networks · HTTP streaming

Android · Mobile · 2018

Media Box Player

Native Android app for cloud multimedia streaming.

  • Model-View-Presenter architecture
  • Dropbox API over OAuth
  • Adaptive streaming with ExoPlayer

Java · Android SDK · ExoPlayer · Dropbox API

NLP · Conversational AI · 2022 — 2024

WhatsApp NLP Chatbots

Production WhatsApp chatbots built at Oktana.

  • Conversational flows on Rasa
  • Meta API for messaging
  • Python services with Flask and FastAPI

Rasa · Python · Meta API · NLP

Web · Portfolio · 2026

srodrigo23.dev

This site — a single-page portfolio on the App Router.

  • Next.js 16 with React Server Components
  • Light and dark themes from Tailwind v4 tokens
  • Scroll-linked reveals via IntersectionObserver

Next.js · TypeScript · Tailwind CSS

// 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