Dinis Almeida Marques Pimentel
Programming Enthusiast. Computer Science Student.
Education
2023 - present
Técnico Lisboa, Portugal
Bachelor’s in Computer Science and Engineering (LEIC-A)
Professional Experience
Aug 2025 - Jan 2026
Oceanário, Angra do Heroísmo
Full-stack Software Developer & Systems Engineer
Freelance
Oceanário is a local fishing business where I had to design IT systems to transition the company to the digital world, including:
- Create a management website (from personnel to cash flow).
- Configure sensors/equipment used at sea.
- Manage on-site physical servers and networks.
Dec 2022 - Jan 2023
Visa, Remote
Security Researcher
Freelance
- Identified and responsibly disclosed a Peso exchange rate loophole to Visa, enabling possible malicious money positive feedback loops and damage to Argentina national currency.
Oct 2021 - Nov 2021
Lightshot, Remote
Penetration Tester
Freelance
- Conducted penetration testing for Lightshot, finding critical-severity vulnerabilities and proposing mitigations.
Projects
MareNostrum & MareProfundum
2025 - 2026
Rust/WASM (Leptos, Actix); HTML/TailwindCSS; PostgreSQL
A fishing company management software consisting of a website (MareNostrum), served by the backend app MareProfundum, enabling authroization protected integrations with third-party services like: lotacor.pt and banks.
EcoEx
2025 - present
C/C++/CMake (microhttpd); Redis
(Eco)Dash (Ex)tended is a backend app that bridges functionallity from marketplace websites to EcoDash by an exposed API. Such functionallity includes: search, buy, comparison (offer book), etc. Made to be simple, modular and with ~3000 lines performs without any memory leak or unexpected behaviour under stress.
thebox
2024 - 2025
C
A highly performant mpv-based, IPTV LIRC-compatible video stream player meant to be run on a RaspberryPi attached to a non-smart TV.
etracker-daemon
2024 - 2024
C/C++/Make; PostgreSQL(TimescaleDB) + Grafana
A multi virtual market periodic stock change tracker service written in C++. Made to be analyzed in Grafana views, resulting in important knowledge about the current market condititons as: Volume traded, traded value, etc.
Ecogaming/EcoDash
2022 - present
TypeScript/NodeJS (Express); Rust/WASM (Leptos, Actix); PostgreSQL
A full-stack app to monitor and act on the global game cosmetics market. Started as a all-in-one complex Express.js app that would equate to what later would be done by EcoDash + EcoEx. EcoDash is the rewrite of Ecogaming on a modern Rust web framework, focusing only on the UI render server and minimization of other responsabilities of it.
AçoresRP
2018 - 2019
Lua; MariaDB
AçoresRP was a gaming (FiveM) roleplaying server that started as a passion project and climbed to top 3 in Portugal with +1.1k unique players/month. The development included the need to create multiple custom scripts for automation and game content, being the first portuguese project in the area to adopt and adapt for experimental player limit increase (OneSync).
... and many other small projects
Extra Curriculars
C++, Lua and Python Teacher/Tutor
Homelab Owner/Tinkerer
Crypto P2P Trader on LocalMonero (1200+ trades)