Luis O.

Luis O.

Bucaramanga, Colombia
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About Me

Luis is a Senior Full-stack Web Developer with 10+ years of experience working on different web applications, greenfield projects, and established systems serving thousands of requests per second. He builds SPAs, back-end applications, and frameworks using an assortment of tech stacks, CI tools, and scripting programs to deliver high-quality solutions on projects. Luis has also worked on updating legacy applications and migrating them to more modern stacks and has written applications from scratch and taken them to MVP status and beyond.

Frontend

Backend

Database

DevOps

Workflow

Other

Work history

UpStack
UpStack
Senior Full-stack Developer
2019 - Present (6 years)
Remote
  • Creating and developing innovative software solutions for clients across a broad range of industries.

  • Participating in scrums consisting of cross-functional teams, both software and hardware.

  • Ensuring that features are being delivered efficiently and on time.

Rue Gilt Groupe
Rue Gilt Groupe
Software Engineer
2024 - Present (1 year)
Remote
  • Working on back-end software development with Python and Django.

  • Implementing third-party integrations using Python SDKs and Django features.

  • Updating the codebase and doing maintenance work.

PythonDjangoDockerElasticsearch AlgoliaAPI SDKs
MachEight
MachEight
Senior Software Engineer
2022 - 2023 (1 year)
Remote
  • Worked on software development and operations for multiple clients, focusing on back-end development with Django.

  • Deployed, automated, and managed the staging and development environments, which existed in AWS ECS.

PythonDjangoReact DockerAmazon Elastic Container Service (Amazon ECS) Staging
Lightmatter
Lightmatter
Software Engineer
2021 - 2022 (1 year)
Remote
  • Engaged in full-stack, primarily back-end, development for different projects.

  • Worked on Django-based projects with different extensions such as Wagtail or Oscar.

  • Assigned to projects using PostgreSQL as the database and deployed to different PaaS.

Freelance
Freelance
Senior Development Consultant
2020 - 2021 (1 year)
Remote
  • Performed full-stack engineering consulting for multiple clients, creating new functionalities for different products.

  • Worked on several different administration and deployment tasks, architecture and design advice, and code quality improvement.

  • Acted as a full-stack developer with a primary focus on the back-end side for a job-posting application using mainly Go with Gin and MongoDB.

Analytics Fire
Analytics Fire
Software Engineer
2019 - 2019
Remote
  • Designed, built, and delivered integration/system testing and data migration solutions for different software systems.

  • Provided technical support for acceptance testing, launch, and post-launch support on various client projects.

  • Implemented a change in an interface solution that impacted the calculation of structural layouts for a client's solar panel application.

BairesDev
BairesDev
Senior Python Developer
2017 - 2019 (2 years)
Remote
  • Managed front-end and back-end development to build processes, coding standards, testing, and operations for the ad targeting company AdRoll.

  • Wrote and implemented software solutions to develop new features, fix bugs, and refactor legacy code.

  • Engineered the cleanup of a large test suite to improve leaky tests and changed the capture of external requests to prevent pollution.

Globant
Globant
Senior Python Developer
2017 - 2018 (1 year)
Bogotá, Colombia
  • Built and supported the back-end development of a solution for National Geographic using engineering best practices in Django framework, PostgreSQL, Celery, and REST Framework.

  • Enforced the migration of the Your Shot application from HTTP to HTTPS, setting up the certificates and changing the rules on the servers.

  • Implemented new features, fixed bugs, and improved the security of the Your Shot application.

Pensemos
Pensemos
Software Engineer
2014 - 2017 (3 years)
Remote
  • Worked on back-end development for Agreele, built the front-end client alpha, and maintained the note-taking feature of the task management app.

  • Developed the entire back-end infrastructure as a REST API using Python, Flask, and SQLAlchemy ORM.

  • Wrote the skeleton and initial versions of the front-end client using a JavaScript MVW framework, Angular, and Foundation presentation framework.

Eximoo (now FastCloud)
Eximoo (now FastCloud)
Full-stack Developer
2013 - 2014 (1 year)
Bogotá, Colombia
  • Provided hands-on guidance in maintaining and iterating new features for POCs on different client applications.

  • Developed solutions for the company's interactive graphical CMS for website prototyping, new feature development, and bug fixes.

  • Built a remote VPS server for testing on multiple environments and handled the migration of the version control system from Perforce to Git.

Showcase

Back-end Developer - Your Shot
Back-end Developer - Your Shot
  • Worked on 'Your Shot', a web application by NatGeo allowing photographers to organize images and join contests.

  • Enhanced app security by migrating from HTTP to HTTPS, preventing SQL injection, and managing cross-site scripting.

  • Implemented additional DoS attack protection through proposal of various CDN options and performed general app maintenance and bug fixes.

Full-stack Developer - AdRoll
Full-stack Developer - AdRoll
  • Worked as a Full-stack Developer for AdRoll, a market retargeting platform that assists clients in building their brand and recommending optimal marketing strategies.

  • Implemented new features on both back-end API and front-end client, fixed bugs, and maintained pre-existing features.

  • Collaborated with another developer on an internal project to enhance the test suite, organize mock requests, and prevent request leakage.

Full-stack Developer - Agreele
Full-stack Developer - Agreele
  • Led the development of Agreele, a SPA for professional meeting organization, including task and note management features

  • Responsible for tech stack selection, development process implementation, and setup of development environment/deployment pipelines

  • Built the app's alpha version and assisted in recruiting new developers

Education

Web Development with Google’s Go (Golang) Programming Language
Web Development with Google’s Go (Golang) Programming Language
Udemy
2017 - 2017
Engineer's Degree, Computer Science
Engineer's Degree, Computer Science
Universidad Industrial de Santander - Colombia
2008 - 2012 (4 years)