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Lead Backend Engineer / Engineering Manager
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Assessing your cultural and operational fit
Lead Software Engineer and Engineering Manager with 15+ years of experience building scalable backend systems, leading teams, and delivering high-impact products. Proficient in Go, Elixir, and Ruby, with strong foundations in DevOps, observability, and cloud-native architecture. A lifelong learner passionate about improving systems and turning technical excellence into business results.
I.E.S Virgen de la Paloma (Madrid)
Administración de Sistemas Informáticos, Computer Science
January 1, 2005 – January 1, 2007
Career Break
Relocation
July 1, 2025 – Present
Munich, Bavaria
HungerStation | هنقرستيشن
Associate Engineering Manager - Catalog Team
December 1, 2024 – June 1, 2025
HungerStation | هنقرستيشن
Senior Backend Engineer (Golang/Rails) – Catalog Team
November 1, 2021 – December 1, 2024
Beema Insurance
Android Mobile Developer
January 1, 2021 – October 1, 2021
Dubai, United Arab Emirates · Remote
Beema Insurance
DevOps Engineer
March 1, 2020 – October 1, 2021
Dubai, United Arab Emirates · Remote
Beema Insurance
Full-Stack Senior Software Engineer (Ruby on Rails)
March 1, 2020 – October 1, 2021
Dubai, United Arab Emirates · Remote
Intelligent B.
GoLang Software Engineer
November 1, 2019 – March 1, 2020
Dubai, United Arab Emirates · On-site
Intelligent B.
Elixir Lead Backend Developer
January 1, 2019 – November 1, 2019
Dubai, United Arab Emirates · On-site
ninety nine
Senior Backend Engineer (Ruby On Rails)
October 1, 2018 – December 1, 2018
Madrid, Community of Madrid, Spain · On-site
Cabify
Backend Engineer (Elixir & Ruby)
August 1, 2017 – October 1, 2018
Madrid, Community of Madrid, Spain · On-site
Kelisto
Full Stack Lead Developer
July 1, 2013 – July 1, 2017
Madrid, Community of Madrid, Spain · On-site
Coritel S.A.
RubyonRails Analyst/Developer, CIO Rapid Development Team
May 1, 2012 – July 1, 2013
Madrid, Community of Madrid, Spain · On-site
Coritel S.A.
Orange FT Analyst/Developer
July 1, 2007 – May 1, 2012
Madrid, Community of Madrid, Spain · On-site
Mixpanel Magic Lamp
July 1, 2014 – Present
Rub the magic lamp and your desired Mixpanel ORM will appear! If you're using Mixpanel for your web site analytics you probably thought in make reports exporting your data through any Mixpanel API client. This gem is your answer for not overwarm your head with so many doc, and it will remind you to ActiveRecord.
Mongo Map/Reduce Coffeescript
January 1, 2014 – Present
Mongoid gem wrapper for write and structure map/reduce/finalize witth CoffeeScript.
Arquitectar
March 1, 2013 – Present
An experitmental redesign of Arquitectar Web at Spain. This Ruby2.0/Rails4 project is a good chance for me to upgrade my Rails knowledge to the coming trends and to start exploring the CSS3, HTML5 and JQuery inmense world. Explore also the source code at github: https://github.com/gguerrero/arquitectar
JQuery Kwicks Rails Gem
March 1, 2013 – Present
JQuery Kwicks Rails Gem integration for adding nice look to your Rails app presentation.
Javascript SecureHash Rails
January 1, 2012 – January 1, 2012
Rails plugin to provide some of the most common secure hash algorithms (MD5, RIPEMD, SHA1, SHA2) for your Javascript/CoffeScript assets. This project has a gem and its doc on rubygems.org repository so anyone can download and try it. This is a convenient package for Rails applications that I built with the already existent Javascript code wrote by Paul Johnston (see http://pajhome.org.uk/crypt/md5/index.html).
GMusicTagger
January 1, 2010 – January 1, 2011
Python-Gtk user interface to edit your Mp3 labels very fast and easy.
Design 101 Course
Designlab (trydesignlab.com)
June 28, 2026 – Present
Cultural Fit Analysis
The candidate has a diverse background working in various companies and roles, from startups to larger organizations like HungerStation and Cabify. Their experience spans multiple programming languages and technologies, indicating a willingness to learn and adapt. The personal projects, though older, show initiative. However, the target role is 'Frontend Developer', while the recent experience is heavily backend and management-focused. This creates a potential mismatch in direct cultural fit for a pure frontend role, though their full-stack exposure is a positive.
Soft Skills & Operational Fit
The candidate's experience as an Associate Engineering Manager and Elixir Lead Backend Developer demonstrates strong leadership, team facilitation, and communication skills. Their involvement in defining roadmaps, conducting 1:1s, and improving cross-team collaboration suggests a good operational fit for roles requiring both technical depth and team management. The career break for relocation and language learning indicates proactivity and adaptability.