Open to relocation · Seeking full-time roles

Ali Zinal

I'm a 

Building advanced ERP systems, AI automations, IoT integrations, and real-time business platforms.

6+
Years Experience
18+
Projects Built
3
Languages
Ali Zinal

About Me

Full-Stack Developer with 6+ years of experience turning complex business operations into reliable, production-grade software. Delivered 18+ systems end-to-end — ERP platforms for property, hospitality, legal, and e-commerce businesses, and real-time IoT solutions from raw device protocols to live dashboards. Trusted by clients in the UK and Saudi Arabia to own delivery from requirements to deployment.

Ali Zinal

Full Stack Developer & ERP Architect

Varna, Bulgaria  ·  EU citizen  ·  Open to relocation

Building advanced ERP systems, AI automations, IoT integrations, and real-time business platforms.

Birthday 28 April 1994
Email taurus.ali47@gmail.com
Phone +359 894 396 766
Languages Bulgarian (fluent), English (professional), Turkish (professional)
City Varna,Bulgaria
Driving License Yes

Recent work includes a GPS fleet-management platform for 50+ vehicles built on a custom Teltonika Codec8 TCP server with fuel-theft detection, and a multi-store e-commerce ERP integrating couriers, ad platforms, and AI. Highly adaptable and proactive, with a proven track record in designing optimized backend systems, front-end interfaces, AI assistants, and fully integrated ERP applications powered by real-time data processing.

Contact

Work Experience

6+ years building real-world systems end-to-end

Full-Stack Developer

Aug 2026 — Sep 2026
2 mo Perfect Build Ltd. · Contract · Remote

Built a complete IoT fleet management system for 50+ company vehicles, integrated into an existing ERP platform, using Teltonika FMC003 GPS devices.

  • TCP server ingesting real-time data from Teltonika GPS devices (FMC003) via the Codec8 protocol
  • OBD/IO parsing: speed, odometer, fuel %, fuel liters, fuel type, temperature, RPM, engine load
  • Algorithms for automatic trip detection, fuel consumption calculation, and potential fuel-theft detection
  • Mileage tracking with daily, monthly, and yearly reports reconciled against vehicle waybills
  • WebSocket (STOMP) live data streaming to an interactive Angular map, color-coded by speed
  • Reports for trips with fuel data, fuel events, and device disconnections, with a multi-language, timezone-aware interface
  • Reusable JWT authentication library for Java and Angular, published to GitHub Packages via GitHub Actions CI/CD
  • PostgreSQL with Flyway migrations; Docker multi-stage builds on Proxmox LXC behind an Nginx reverse proxy with SSL
JavaSpring BootSpring SecurityAngular PostgreSQLFlywayWebSocket/STOMP DockerNginxGitHub ActionsProxmox (LXC)Teltonika Codec8

Senior Full-Stack Developer

May 2022 — Feb 2026
3y 9m VAIOS (vaios.bg) · Varna / Sofia / Remote

Full-stack development within the VAIOS ecosystem — building ERP and smart-automation platforms powered by Dart full-stack architecture, Java backends, and Flutter mobile clients.

  • Bolgar Capital: real-estate ERP with IoT access control & digital contracts
  • HOR Hotel & Restaurant AI: booking email parsing, POS sync
  • Wild Art: print-order ERP with production color-coding & POS integration
  • Judicial Enforcement System: case automation & secure reporting
  • Parking IoT: barrier control, license-plate detection, subscriptions
  • Law Office ERP: AI document generator & case management
JavaSpring BootVaadin Hilla DartFlutterAngular PostgreSQLIoTOpenAI

Full-Stack Developer

Feb 2022 — May 2022
Romano-Net (romanonet.com) · Contract · Remote / Serbia

Social network for readers and authors, launched for the Serbian market, with profiles, posts, novel discussions, and author interaction across web and mobile.

  • Implemented database models, REST API endpoints, and the Vue.js UI for user feeds, authentication, and real-time interactions
  • Built the Ionic-based mobile app, ensuring feature parity with the web platform and smooth data synchronization between clients
PHPPostgreSQLVue.jsIonic

Full-Stack Java Developer

Aug 2019 — Feb 2022
PEIBEK LTD · Varna

IT consulting company delivering custom software solutions. Developed ERP systems and web platforms for clients, primarily with Java (Spring Boot) and Angular.

  • Developed ERP systems with a Java (Spring Boot) backend and Angular frontend, covering inventory, orders, invoicing, and reporting
  • Designed REST APIs and relational data models with JPA/Hibernate on MySQL and PostgreSQL
  • Built an online car marketplace — Spring Boot, MySQL, Thymeleaf, Jakarta Mail, with unit tests in Mockito
  • Built a second-hand marketplace (SPA) — Spring Boot, MySQL, JPA, Angular, Bootstrap
  • Built an online bookstore — Angular (TypeScript), Java
  • Built an online food ordering platform — Java, Node.js, JavaScript, HTML, CSS
JavaSpring BootAngular MySQLPostgreSQLJPA/Hibernate ThymeleafMockitoNode.js
Full-Stack Java Developer
SoftUni — Sofia, Bulgaria
Jan 2019 — Jun 2022 Top 7% of 4000+ students
ICT / Computer Systems & Technologies
Technical University of Varna
May 2020 — Oct 2022 Paused after 2nd year
Agile Fundamentals with Scrum
Software University, Sofia
Jan 2022 — Mar 2022 Certificate

Skills & Skills

Technologies & Expertise

Backend
Java Spring Boot Vaadin Hilla Spring MVC Hibernate / JPA REST API GraphQL Node.js Thymeleaf Redis Kafka JTE Flyway JWT WebSocket (STOMP)
Mobile
Flutter Dart Dart Backend Ionic
Frontend
React Next.js Angular Ionic Vue.js TypeScript JavaScript jQuery HTML5 / CSS3 Bootstrap Tailwind SASS/SCSS
Database
PostgreSQL MySQL SQL Mockito / TDD
DevOps
Docker GitLab CI/CD GitHub Actions Proxmox (LXC) Linux Nginx AWS Azure
IoT & AI
Teltonika GPS / Codec8 ESP32 Shelly Sonoff OpenAI / ChatGPT Anthropic Claude Spring AI JSON Parsing i18n Systems

Skills Overview

Complete overview of all technical skills and technologies.

Backend & Java Ecosystem
  • Java, Spring Boot, Spring MVC, Vaadin Hilla
  • Hibernate, JPA, REST APIs, GraphQL
  • SQL, PostgreSQL, MySQL, Redis
  • Kafka (messaging), Thymeleaf, JTE
  • Flyway, JWT, WebSocket (STOMP)
  • Unit Testing, Mockito, TDD
  • Node.js, Spring AI
Frontend & UI
  • React, Next.js, Angular, Ionic
  • TypeScript, JavaScript, jQuery
  • HTML5, CSS3, Bootstrap, Tailwind, SCSS
  • Flutter (Dart)
AI, IoT & Integrations
  • OpenAI / ChatGPT, Anthropic Claude
  • Spring AI framework
  • IoT: Shelly, Sonoff, ESP32
  • JSON Data Parsing, i18n Systems
DevOps & Cloud
  • Docker, GitLab CI/CD, GitHub Actions
  • Proxmox (LXC), Linux: Ubuntu, Kubuntu, Debian
  • Nginx (Reverse Proxy)
  • AWS, Azure

Projects

Main platforms and systems developed

Bolgar Capital

Real-estate automation system with digital contracts, invoices & IoT access control.

ERP · IoT

Wild Art

Print-order workflow, POS integration, scrap tracking & production color-coding.

ERP · POS

Judicial Enforcement System

Automated banking calculations, daily backups & reporting for private enforcement agents.

Platform

Godzila Restaurant System

Online ordering, kitchen workflow & real-time order tracking.

Restaurant · Real-time

Law Office ERP

Case management, document automation & AI-based document generator.

ERP · AI

HOR Hotel & Restaurant AI

AI parsing booking emails & syncing restaurant bills.

AI · Hospitality

Chernomore Tournament System

Sports registrations, hotel assignments & scheduling.

Sports · Web

Online Ticket System

Seat selection & online payments — delivered for Sofia Municipality.

Payments · Web

Smart Parking System

IoT parking barriers & online subscriptions across three Varna locations (~400 vehicles).

IoT · Smart

Homira Property App

Listings, booking management, agent communication & AI.

Real Estate · AI

Restaurant ERP

Table layouts, fiscal integration, invoicing & live order control.

ERP · POS

Car Sale Platform

Listings, filters, CRUD backend & media uploads.

Marketplace

Second Hand Marketplace

E-commerce platform for clothing.

E-commerce

Romanonet Social Network

Social platform for literature and discussions.

Social Network
New

GPS Fleet Management ERP

IoT fleet-tracking system built around Teltonika FMC003 devices over the Codec8 protocol — live map tracking, OBD/fuel data, and fuel-theft detection.

IoT · GPS · Teltonika
New

WooCommerce Multi-Store ERP

Multi-store ERP integrating WooCommerce, couriers (Speedy, Econt, BoxNow), Google & Meta Ads, ChatGPT (Spring AI) and WhatsApp. Angular front end in an Nx monorepo, with 7 automated cron jobs for sync and order automation.

ERP · WooCommerce · AI
New

Coin-Machine IoT Monitor

ESP32 controllers track €1 coin insertions at 3 vending machine locations over Wi-Fi, reporting in real time to a central ERP dashboard with hourly/daily statistics.

IoT · ESP32 · Real-time
New

Naemco.net

Rental & property management ERP with Stripe payment integration, automated invoice generation, and business statistics dashboards.

naemco.net ERP · Stripe · Rentals
New

OrderFly.net

Multi-tenant SaaS evolution of the Sateno ERP — each account has fully isolated settings, customers, catalog, and courier integrations on shared infrastructure. In active development.

SaaS · Multi-tenant · E-commerce

Services

What I Can Offer

Full Stack Development

Java, Spring Boot, Vaadin Hilla, Dart, Flutter, Angular, React.

ERP System Architecture

Modular business systems, real-time dashboards & workflow automation.

IoT Automation

ESP32, Shelly, Sonoff, sensors and automation devices.

AI Integrations

ChatGPT automations, document generators, email parsers.

DevOps & Deployment

Docker, CI/CD, Linux servers, Nginx deployments.

Contact

Get in touch

Call

+359 894 396 766

Email

taurus.ali47@gmail.com

Hi there! Feel free to send me a message 👋
Get in touch