juan
mier
mier
β
projects.
π
epiCalendar
web (and python) app that downloads your personal University of Oviedo calendar in ICS or CSV format.
source
ποΈ
tahoe
heterogeneous data ingestion and processing platform deployed automatically. my final degree project.
quizzes for different uni courses.
things I've asked myself over time and found the answer to.
collection of various small utilities (converters, generators...)
collection of repositories of computer engineering subjects at EPI GijΓ³n.
terminal scraper for spanish football fantasy league.
latex template for my uni assignments and papers.
my personal portfolio, the very website you are looking at right now.
personal notes and knowledge about my uni courses.
collection of small TypeScript utilities.
Threes! clone made in Java, product of several subjects' final projects.
resolution of the Advent of Code challenges.
run your bitbucket pipelines locally with bun and docker.
simple webview to analyze your local git repos.
general purpose batchfile.
mockup management app for local engineering college.
I/O animated ruby gem for terminal interaction.
about.
- spanish computer engineering graduate.
- π studied at EPI GijΓ³n (University of Oviedo).
- interested in all things π» tech and π΅ music.
- i like ποΈββοΈ lifting, π² cycling and playing πΈ bass.
-
i code using
cursor
in 
Fedora Linux.
-
i take π notes
in
markdown
using 
obsidian.
-
π this webpage was hand built
using
eleventy.
experience.
universidad de oviedo
computer engineering degree
2020-2024
grades: 8,555 avg, 2.85 GPA, 14/29 honors "matrΓculas de honor"
see all subjects and content in my backup.
some relevant projects and assignments:
- final thesis, automated heterogeneous data ingestion using ELK stack.
- mandelbrot fractal generator in CUDA/OpenMP.
- academic center demo managing app in Java.
- multithreaded & SIMD image filtering in C.
- large-scale network schema in Packet Tracer.
- network and binary analysis in Assembly and C.
- RPC, MOM and consensus/sync algorithms in C.
- data analysis and manipulation in R and MATLAB.
- cybersecurity, digital signing and certificates in C#.
- anomaly detection LaTeX paper with practical samples in Python
okticket
software engineer
2023-
okticket is a fintech SaaS that digitizes and manages employee tickets.
- 2025-now: I+D team lead
- complete infrastructure management and maintenance.
- analysis and integral developing of new services.
- george by okticket: async semi-automated invoice recovery service for Mexico driven by AWS events.
- 2024-2025: developer
- serverless services using aws lambdas in nestjs.
- devops tasks in AWS: postmortem analysis, cloudwatch monitoring.
- sonarqube and locust integration for code quality and performance testing.
- maintenance and development of backend components.
- 2023: intern developer
- back-end system migration (laravel 10, PHP 8.2, composer 2).
- local deploy automation with Docker and Ruby.
- load and stress testing with Locust.
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