José Cancino Linares

Senior Full Stack Developer & Team Lead

About Me

I am a Senior Full Stack Developer with more than 10 years of experience building and improving web applications. I have worked in all parts of the development process: planning, coding, testing, deployment, and support. I have also led teams of over 15 people, guiding projects, mentoring developers, and making sure work was delivered with quality and on time. I enjoy sharing knowledge and helping my teammates grow, while staying active in coding and problem solving. I like to work on scalable solutions, clean code, and practical results. My focus is always to deliver value, improve processes, and build reliable systems that help both the business and the users. Senior Full Stack Developer focused on building reliable systems, improving team processes, and mentoring developers. Passionate about product quality, user experience, and modern best practices.

Experience

Team Lead & Senior Full Stack Developer

JOVE

Mar 2022 - Sep 2025

Boston, USA

  • Led a cross-squad engineering team to build and improve key web products
  • Supported developers through code reviews, feedback, and mentoring
  • Used React, Node.js, Symfony, and PostgreSQL to create high-quality applications
  • Built an internal dashboard using gamification (Mario Kart theme) to track sprint progress and team performance
  • Led two large-scale redesign projects with 15+ members across squads, with dashboards, task assignment, and progress tracking
  • Implemented Mixpanel from scratch to track UX and product analytics for data-driven decisions
  • Developed an AI-powered translation system with Azure AI to automatically translate 25,000+ scientific articles into 13 languages
  • Collaborated with SEO specialists to improve site structure and performance (JSON-LD, canonicals, metadata)
  • Improved CI/CD pipelines with GitLab and Docker for faster and safer releases
  • Worked closely with QA, Product, and DevOps to ensure smooth releases
ReactNext.jsNode.jsSymfonyPostgreSQLMixpanelAzure AIGitLabDocker

Software Engineer

Chilean Army

Mar 2021 - Dec 2021

Santiago, Chile

  • Built backend services and APIs for internal systems using Node.js and PostgreSQL
  • Automated the daily transfer of data from internet to intranet systems at 9 AM
  • Worked in Agile sprints, tracking progress and delivering on time
  • Participated in planning, testing and deployment stages
Node.jsPostgreSQLDockerLinuxAgile

Freelance Leader and Software Developer

Freelance

Jan 2020 - Jan 2022

Santiago, Chile

  • Led multiple web development projects for local businesses, including e-commerce platforms for pharmacies and pet food stores
  • Developed and deployed custom websites and landing pages for Sustentar, CETAE, and Healthcare with responsive design and SEO
  • Built admin dashboards to manage products, orders, and customer data, improving usability and workflows
  • Worked closely with clients to gather requirements, define timelines, and deliver full-stack solutions using PHP, Symfony, React, and MySQL
  • Provided technical leadership and guidance to junior collaborators during development and deployment
PHPSymfonyReactMySQL

Software Engineer

Accenture

Jul 2015 - Dec 2019

Valparaíso, Chile

  • Led project analysis, planning, and team management to align with client needs
  • Delivered scalable, high-quality software and created test plans to ensure reliability and performance
  • Deployed to production with minimal downtime and provided direct client support
JavaSpring BootReactNode.jsMySQLGitCI/CD

Skills & Technologies

Frontend

JavaScript

Core language used across all projects since Accenture.

TypeScript

Strong usage in Next.js and Node.js projects at JoVE.

React.js

Main frontend framework (Freelance + JoVE).

Next.js

SSR, scalability, and SEO-driven apps.

Redux

Used selectively for state management.

Backend

PHP

Legacy systems and WordPress integrations.

Symfony

APIs and backend services in freelance and JoVE contexts.

RESTful APIs

Continuous development and integrations.

Microservices

Modular backend and API-driven systems.

Databases

MySQL

Primary DB in early and freelance projects.

PostgreSQL

Core DB in JoVE and Node.js services.

DevOps / Infrastructure

Docker

Environment setup and CI/CD pipelines.

GitLab CI/CD

Release automation and pipelines.

AWS (S3, EC2, CloudFront)

File storage, bucket policies and delivery.

Azure AI

Built AI translation systems for 25K+ articles.

Monitoring (Sentry, Groundcover)

Performance monitoring and tracing dashboards.

Testing

Unit & Integration Tests

Implemented within CI/CD pipelines.

E2E Testing

Quality validation for frontend and API layers.

Leadership / Practices

Team Leadership

Managed multiple squads and led redesign projects.

Agile / Scrum

Used across all professional environments.

Mentorship / Code Reviews

Guided developers and QA engineers.

AI-assisted Development (Cursor, Windsurf, Trae)

Integrated AI tools for refactoring and debugging.

CMS / Web Platforms

WordPress Development

Custom themes, plugins and deployments.

Soft Skills

Communication & Collaboration

Cross-team collaboration (QA, PM, DevOps).

Problem Solving & Adaptability

Proven under tight deadlines and redesign projects.