Hi, I'm Gabriel Antonescu
Full-Stack Developer • Digital Marketer • Graphic Designer
I build modern web applications — from full-stack SaaS platforms with Next.js and NestJS, to digital marketing and visual content.
Years of experience
Projects completed
Digital services
Client satisfaction
Full-stack, marketing and creativity in one place
I combine modern web development, marketing strategy and creative solutions to deliver complete digital products. Most recently I built, end-to-end, a SaaS platform for online invitations and an event-management app.
Location
Brăila, Romania
Availability
Freelance / Worldwide
Languages
Romanian, English
Technologies I work with
What I can do for you
Web Development
Modern, fast and responsive full-stack web apps built with Next.js, React, NestJS and Tailwind CSS.
Social Media Marketing
Content creation, audience growth, campaign management and online-presence strategies.
Photo Editing
Professional photo editing and visual-content optimization for social media, websites and campaigns.
Content & Academic Writing
Writing services: web content, articles, presentations, academic papers and thesis support.
Projects developed
★ Featuredtrade-crates.tf — TF2 Crate & Case Trading Platform
An automated trading platform for Team Fortress 2 crates, cases and keys: sign in with Steam, pick items, and a bot sends a trade offer within seconds. Next.js 16, PostgreSQL, a separate Steam bot worker and a full admin panel.
★ FeaturedTradeCardsSwap — Steam Inventory & Trading Card Tools
An independent platform for your Steam Community inventory: duplicates, trading card sets, valuation with price source and date, a 1:1 Trade Matcher, alerts and Steam tools. Next.js 16, Prisma 7 and PostgreSQL.
★ FeaturedCHAOS NETWORK — CS 1.6 Game Ecosystem
A complete ecosystem for a custom Counter-Strike 1.6 game mode (CHAOS: HACKED WAR): a public website, player platform, store with payments, VIP & Battle Pass systems, a REST API and the in-game server logic. A Turborepo monorepo pairing a Next.js/React front-end with a Fastify + Prisma + MySQL back-end and 22 Pawn (AMX Mod X) modules for the game server.
★ FeaturedSTATUE 001 — The Myth of Aethryon
An interactive 120-metre 3D statue assembled from exactly 50,000 individual plates. Each plate has a permanent number and place in space and, once claimed, an owner, a line of text, a link and an image. Real 3D, a real 50,000-row database, real Stripe checkout with signed webhooks and real persistence — no blockchain, NFTs or wallets.
Autopost & Content Generators — Bipolar · Rățoiul Cornel · The Brăila Bible
A cloud automation system that generates and schedules social-media content for three pages — Bipolar, Rățoiul Cornel and The Brăila Bible. Per-page generators turn text templates into finished post visuals, which are then scheduled automatically on Facebook and published on Instagram, five posts a day, with no duplicates.
Chapter One Events — Online Invitations Platform
End-to-end SaaS platform for digital wedding, baptism and civil-marriage invitations. A Turborepo monorepo with a Next.js frontend and a NestJS backend, featuring a real-time RSVP system, a live countdown, a seating plan, Excel export of confirmations and Stripe payments.
YAYAdent Clinique — Dental Clinic Website + Booking + CRM
A premium website for a dental clinic in Brăila, built with Next.js 15, TypeScript, Prisma and PostgreSQL. It features a real online booking system with a live availability engine and race-condition-safe slots, plus a full admin CRM/CMS — appointments, calendar, clients, services, pricing, team, availability, reviews, pages and media.
Veyora — Wedding & Event Photography Platform
A premium editorial website for a wedding & event photographer, built with Next.js 15, TypeScript, Tailwind CSS and Supabase. Fully content-managed through a custom admin panel — portfolio, blog, services, pricing, FAQ and settings — with secure auth, a read-only demo mode and complete SEO.
JAJA Pub Brăila — Pub & Restaurant Website
A premium presentation website for JAJA Pub, a jungle-themed pub in Brăila. Built with Next.js 15, React 19, TypeScript and Tailwind CSS, recreated pixel-close to a provided mockup — warm, editorial and energetic, with complete pages, real verified data and full SEO.
104 Coffee — Specialty Coffee Shop Website
A premium presentation website for 104 Coffee, a specialty coffee shop in Brăila. Built with Next.js 15, React 19, TypeScript and Tailwind CSS, recreated pixel-close to a provided mockup — cinematic, editorial and warm, with complete pages, legal pages and full SEO.
Needle Rush — Interactive TikTok LIVE Game
A vertical (9:16) game for TikTok LIVE: a robot digs through a haystack while viewers steer it with likes, gifts, follows and 31 chat commands. Custom reader for live events with no paid API, plus an Electron app for game capture.
Social Media Network — 43 Facebook Pages
A network of 43 Facebook pages and linked Instagram accounts that I created and run — 400K+ followers in total — with a cloud automation system for scheduling and publishing, installable content generators, a template and corpus toolkit, and a public link hub at antonescu.is-a.dev/network.
Academic Research & Thesis Projects
Academic papers, dissertations and research projects across multiple disciplines: law, criminology, finance, management and communication.
Experience
Full-Stack Developer
2026 — PresentChapter One Events
End-to-end development of a SaaS online-invitations platform and the Agenda Chapter One event app — Next.js, NestJS, Prisma, PostgreSQL, Stripe and deployment infrastructure.
Web Developer
April 2021 — PresentFreelancer
Design, development and maintenance of dynamic, responsive websites and web apps for a range of clients, using modern technologies.
Education
Master's Degree in Law
2023Specialization in Combating Cybercrime
Bachelor's Degree in Law
2021Let's work together
A modern website, marketing or a creative digital solution? I am available for freelance projects.