Guillermo Serrahima

(he/him?)

Back End Engineer

Open to:Full-time rolesContract roles

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Backend and systems-oriented Software Engineer with experience in R&D environments and cloud-based SaaS platforms. Background in Rust, Python, and C++, with hands-on experience designing APIs, infrastructure tooling, and developer-facing products. Comfortable working across the full software lifecycle, from prototyping and refactoring to deployment, CI/CD, and production support.

Activity

Active on:Bluesky networkMarqueTangledStandardatstore

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Career: 6

R&D Engineer

Ansys

Full-time · Remote

Aug 2024 - Nov 2025

Successfully demonstrated a proof-of-concept for clients that removed the need for coding knowledge for in-depth customization of complex physics simulation pipelines. Redesigned an internal unmaintained Python library project, as well as introduced testing and continuous integration, to bring it up to company standards.

Python (Programming Language)pytestAgileCookiecutterDocker

Back End Developer

Verbio Technologies

Full-time · Hybrid

Jun 2022 - Jul 2024

Implemented scalable and secure solutions focused on providing a reliable service and efficient operation for cloud-based voice recognition.

Rust (Programming Language)gRPCGitCI/CDPython (Programming Language)Amazon Web Services (AWS)TerraformDocker

Software Engineer

QAD DynaSys | Digital Supply Chain Planning Software

Full-time · Remote

Jun 2021 - Jun 2022

Contributed to the transformation of a desktop app into a web app, adapting it to a marketable SaaS model.

C++C#

C++ Consultor

Capitole Consulting

Full-time · Remote

Jan 2021 - Jun 2021

Saved time through the automation of manual PDF report redaction, and integration of data analysis.

C++Python (Programming Language)

Junior DevOps Engineer

HP Inc.

Full-time · Remote

Oct 2019 - Aug 2020

JenkinsScrumAgile

Junior SDET

HP Inc.

On-site

Sep 2018 - Oct 2019

GoogleTestC++Agile

Skills: 67

Technical

Amazon Web Services (AWS)Android DevelopmentArduinoBack-End Web DevelopmentBashCC#C++

CI/CDCode RefactoringDockerFunctional ProgrammingGitHaskellHTMLJavaJavaScriptJiraLaTeXLinuxLuaMatlabObject-Oriented Programming (OOP)ProgrammingPydanticPythonPython (Programming Language)Representational State Transfer (REST)REST APIsRust (Programming Language)Software DevelopmentSQLiteSWI-PrologTerraformTest AutomationUnity3DVisual StudioXML

Business

AgileAgile MethodologiesScrumSoftware as a Service (SaaS)

Interpersonal

EnglishTeamwork

Other

AndroidAPI DevelopmentArch LinuxCatalanComputer ScienceCookiecutterDebianGitHub Copilot

GoogleTestgRPCJenkinsOpen-Source SoftwareOpenSusePixel ArtPytestQtRaspberry PiSimple and Fast Multimedia Library (SFML)Swing DanceTest CasesTest PlanningTesting ToolsUbuntu

Projects: 5

Velascobot2

tangled.org/vylion.eurosky.social/velascobot2

Feb 2026

Rewrite of Velascobot with more Python experience.

Velascobot

git.vylion.com/vylion/velascobot

Sep 2017 - Dec 2020

Personal project of a non-sequitur, silly chatbot for the Telegram chat application using Markov chains for text generation. Personal project that I did during some of my free time.

Bindmage Duels

globalgamejam.org/2018/games/bindmage-duels

Jan 2018

Participated as part of a group project in the 2018 Global Game Jam, from the 26th to the 28th of January.

WordWeaver

github.com/vylion/WordWeaver

Mar 2017

Personal project for an Android app for pseudorandom word generation. Tool mainly designed for the creation of constructed languages. Project started for the Fall 2017 Hackathon event by HackUPC from the 3rd of March to the 5th.