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cezar pena

rumpler

second-hand car sales escrow

late dec 2022 - feb 2023

Powered by Demium Talent VC and Lanzadera, I built, over the course of 2 months, a car sales escrow service with built-in contract automation, National Highway Traffic Safety Administration (DGT in Spain) online service automations and online banking (real-time deposits, withdrawals and transfers).

Technologies used
Next.js / NextUI, GoCardless API (formerly Nordigen), Python Flask, AWS DynamoDB, SendGrid E-mail API.

Features
Real-time balance view upon deposit to the escrow account, automated signed contract emails upon purchase, withdrawals, transfers between accounts within Rumpler and NHTSA check-ups.

instagram x twitter automation

customizable engagement-enhancing saas

aug 2023 - july 2024

After some social media related freelance jobs on Upwork, I saw an opportunity in creating a containerized platform where businesses themselves could rent an engagement microservice they could manage themselves. This meant real-time priority control, action allocation to different routines (reels, comments, dm-s, home, discover...) and custom targetting (follow, comment on, send messages...) by geography, niche, hashtag or influencer audience.

Technologies used
Selenium, Next.js, Redis, Redis Queue, Supabase, Python Flask, Docker.

Features
Bot detection bypass via human motion simulation and pre-recorded cursor movement conjugates, 6 different routines (messaging, target influencer audience, target hashtag audience, following tab engagement, reels tabs engagement and unfollow routine) and control panel for action allocation, target settings and routine priority.

nova

forex regression models

july 2024 - ongoing

Starting from a customer's request, I first built a sentiment analysis agent for stocktwits, but later transitioned to technical analysis, particularly keras models trained on +15 year window financial datasets.

Technologies used
Keras, Python, Pandas, Scipy

contact

Cezar Pena

cezaralexandru.pena@gmail.com

+34 644 446 771

Me.