Luis Emilio Velasco Sánchez

Luis Emilio



Software Engineer

  • Provided software engineering consultancy and development on a project-basis for several companies.
  • Helped with the migration of a data-intensive application from an OLTP architecture to an OLAP alternative, using different services of storage.
  • Refactored a hard-coded multitenant data ingestion pipeline for high-value customers into a single configuration per customer approach.
  • Implemented SPAs and backends for specific strategic products of different IBEX-35 companies.

University of Oviedo

Adjunct Professor of Computer Science



  • Provided guidance in best practices of software engineering.
  • Implemented a high-availability architecture for cloud thermal analysis. Some technologies used: DigitalOcean, Kubernetes, Terraform, Django.

The Cocktail Experience

Backend Engineer

  • Provided training and guidance in best practices, standards, programming languages, and web architectures within a department of 80 engineers.
  • Led teams of engineers within a customer-centric environment, ensuring the quality and delivery of the project.
  • Contributed to the company’s technological offering, advising and landing opportunities with new clients.
  • Developed and maintained Android applications with Java and Kotlin.
  • Assisted in the setup and maintenance of Continous Integration and Continous Delivery pipelines using Jenkins, Docker, and Kubernetes, within providers as Azure, Google Cloud Platform, and Amazon Web Services.
  • Designed and developed a backend for frontend using TypeScript and NestJS, consuming Salesforce standard APIs and custom services.
  • Improved the metrics collection system in a chatbot app built with Vue.js and Node.js using Dialogflow, Chatbase, and Datastore.
  • Designed and developed a real-time chat for live events with React.js, Elixir, PostgreSQL, and DynamoDB.
  • Implementing fully customized e-commerce solutions and high-end web applications in Ruby on Rails and PHP with Symfony and Laravel.


Developer Support Engineer

  • Mitigated, prevented and resolved mission critical developer support cases.
  • Troubleshot core functionality implemented in C#, JavaScript and TSQL with SQL Server.
  • Helped with the implementation of best practices for developing in Salesforce Sales Cloud and Salesforce Marketing Cloud.

Other experience

The Cocktail Experience

Backend Engineer

University of Oviedo

IT Services

Sin Paseos

Backend Engineer


Backend Engineer


University of Oviedo

BSc Software Engineering


Let's Git Ready, programming like a pro University of Oviedo

Advanced Git workshop University of Oviedo

Not without Git University of Oviedo

Beginner Git workshop University of Oviedo

Developing faster with Git University of Oviedo

Building a UI Kit with Vue Commit Conf

SPA, APIs and the 3 letters Web Wild Congress

Demystifying GraphQL Google Developer Group Asturias

Realtime and microservices with GraphQL Commit Conf 2018

Introduction to Docker workshop The Cocktail Experience

Clean Architecture in web applications The Cocktail Experience

Connecting to VPNs using Docker The Cocktail Experience

Introduction to audiovisual language University of Oviedo

Side Projects

Rink Hockey Finals Rink Hockey 3D Simulation videogame built with Unreal Engine and C++

Pidopri Summer camps management tool built in Elixir and Vue.js

Luis Velasco's Gallery Updated gallery with more than half million photos my father shoots

Zuco On-the-fly cloud image cropping and optimization tool powering

Negron GraphQL gateway for microservice architectures exposing GraphQL APIs

Congress Defense Tower defense game for Android built using Java and Libgdx