Víctor Martínez

About me

Senior software engineer with more than 10 years of experience building web applications and backend systems. I enjoy working on products that require strong architecture, performance and clean developer experience. My work focuses mainly on TypeScript, JavaScript, Python and modern web technologies.

v.martinezmejias@gmail.com

Professional Experience

7 roles

Senior Software Engineer

Polyswarm

•

Remote

Feb 2021 – Present

Full Time Current

Built crypto wallet interface for the platform.
Integrated multiple microservices through a backend-for-frontend architecture.
Maintained and extended the main frontend application.
Built analytics dashboard for platform metrics.
Improved accessibility compliance across the frontend.

+24% dashboard engagement
-31% accessibility issues in audits

JavaScript

TypeScript

React

Node

Docker

Senior Software Engineer

Justo

•

Santiago, Chile

Sep 2020 – Feb 2021

Full Time

Implemented new features in the React Native mobile application.
Integrated Stripe payment processing.
Improved build performance and runtime performance of the mobile app.
Led redesign of the mobile application interface.

-22% app startup time
+18% checkout conversion

JavaScript

React

Node

Docker

Senior Software Engineer - Technical Lead

Aevum

•

Santiago, Chile

Jun 2019 – Sep 2020

Full Time

Built ETL pipelines for financial data using Python.
Designed microservices architecture deployed with Docker and Kubernetes on AWS.
Built frontend platform from scratch.
Integrated financial data providers such as Alphavantage and Quandl.
Developed financial data visualizations using D3.
Designed component system using Figma and Storybook.

Reduced data ingestion from hours to minutes
Launched first scalable frontend platform

JavaScript

React

Node

Python

Django

Docker

Full Stack Developer

Groupon Latam

•

Santiago, Chile

Nov 2017 – May 2019

Full Time

Developed new features and reusable components for the main platform.
Built marketplace tools for merchants.
Implemented GraphQL API gateway.
Developed new food delivery platform.

Enabled merchant self-service marketplace release
Improved frontend delivery cadence by 20%

JavaScript

React

Node

Python

Docker

Full Stack Developer

TOC Biometrics

•

Santiago, Chile

Oct 2016 – Nov 2017

Full Time

Plan, execute and monitor projects
Administrate AWS infrastructure
Provide API services for the frontend
Adopt and migrate to React as a frontend framework

Led migration to React in production
Improved API response consistency across services

JavaScript

React

Node

Python

Docker

Backend Developer

Nunchee

•

Santiago, Chile

Jun 2016 – Oct 2016

Full Time

Integrate with external services
Provide API services for the frontend
Model and create Databases
Create lambda functions on AWS

Built reusable integrations for external providers
Stabilized backend delivery for frontend teams

JavaScript

Node

Python

Django

Mobile Developer

Trinauta

•

Santiago, Chile

May 2012 – Dec 2015

Part Time

Create hybrid apps with Phonegap (Apache Cordova)
Implement Push Notifications
Publish Apps to the different stores
Design different tailored apps

Delivered multiple mobile apps to production stores
Standardized push notification implementation

JavaScript

CSS

HTML

Education

3 programs

Certificate Program in Data Science

Universidad de Chile

•

Santiago, Chile

Ago 2018 – Dec 2018

Certificate Program in Project Management

Universidad de Chile

•

Santiago, Chile

Mar 2018 – Jul 2018

Computer Science Engineer

Universidad San Sebastián

•

Santiago, Chile

2010 – 2015

Side Projects

1 project

Awesome Video Editor View project

2025
Founder & Senior Engineer
Automates subtitle workflows for content creators

Web app focused on automatic subtitle generation and editing, with precise timing control and export-ready captions for short-form video workflows.

React

TypeScript

NextJS

Tailwind

Contact

Email: v.martinezmejias@gmail.com

LinkedIn GitHub