Viktor Konstantinov - Full Stack Developer (Laravel / Vue.js)

Profile

Experienced Full Stack Developer with strong expertise in designing database architectures, building high-load CRM/ERP systems, and automating business processes. I confidently manage the full software development lifecycle: from requirements gathering and writing detailed technical specifications to CI/CD setup, production server deployment, and ensuring fault tolerance (backups, monitoring). With a deep understanding of SEO algorithms, I build SSR applications that not only solve business problems but also rank exceptionally well in search engines.

Key Skills

Backend:

PHP (8.x), Laravel, Python, WordPress (custom theme/plugin development).

Frontend:

Vue.js, Inertia.js, JavaScript, Blade, HTML5/CSS3.

Databases:

MySQL, PostgreSQL, Redis (caching and queues), complex relational structure design.

DevOps & Infrastructure:

Docker, Nginx, Ubuntu/Linux, GitHub Actions (CI/CD), Cloudflare (DNS, SSL), mail server setup, backup strategies.

Integrations & APIs:

Stripe API (Laravel Cashier), OAuth (Socialite), Ahrefs API, Odoo ERP, Google Analytics 4, Google Search Console.

Data & Automation:

Selenium, Playwright, BeautifulSoup, Pandas, Google Apps Script.

Architecture & Processes:

REST API, SSR (Server-Side Rendering), technical documentation (SRS/specs), project estimation.

Experience

Full Stack Developer

Netpeak | (3+ years)

Progressed from a process automation specialist (Python) to a Full Stack Developer, independently designing and deploying the architecture of complex web applications.

Platform Design & Development (Laravel / Vue / Inertia):

Designed application architectures from scratch: DB design, process mapping, business logic, and functional requirements.
Ensured technical SEO and configured SSR for SPAs, guaranteeing 100% page indexation by search engines.
Optimized performance: configured database replication, utilized Redis for caching heavy queries and queue processing.
Integrated payment gateways (Stripe via Cashier) and authentication systems (Socialite).
DevOps tasks: containerized projects using Docker, configured Nginx, and deployed on Linux servers (Ubuntu). Set up CI/CD pipelines via GitHub Actions for seamless production rollouts.
Server administration: managed DNS via Cloudflare, deployed mail servers, and implemented multi-level daily backup systems (local and external storage).

Web Development & CMS (WordPress):

Built a network of 100+ high-performance blogs for PBN/Linkbuilding. Deep SEO optimization provided stable organic traffic and inbound B2B requests for publications.
Developed corporate websites and e-commerce stores using WordPress + WooCommerce.
Customized CMS logic, worked with WP databases, queues, and managed hosting and domain configurations.

Automation & Data Engineering (Python / Apps Script):

Developed web scraping scripts (Selenium, Playwright, BeautifulSoup, lxml) to extract metadata, alt/title attributes, content, link structures, and microdata (Schema.org).
Automated data collection and aggregation from Google SERP, GA, and GSC (using Google APIs and Pandas) to identify keyword cannibalization, traffic anomalies, and category clustering.
Created automated dashboards in Google Sheets via Apps Script, providing the analytics department with accurate summaries for decision-making without manual exports.

Portfolio

A few of the products I designed and built end to end. Hover to pause, click to enlarge.

PRmarket.bg landing page: media publications marketplace with platform statistics

Black Signal admin dashboard: revenue, orders, clients and 14-day sales chart for a Telegram Mini App store

Barbershop CRM dashboard: daily bookings, revenue chart, schedule and finance modules

Moiri Aesthetics beauty salon website home page with online booking

Talkie landing page: English lessons with a live teacher

Key Projects (Selected)

All highly loaded platforms presented below were designed and developed by me from scratch using Laravel (coupled with Vue.js and Inertia.js).

PRmarket

(PR & Linkbuilding Automation Platform)

Developed the #1 platform for the Bulgarian market, collaborating with top media publishers.

Stack: Laravel, Vue.js, Inertia.js, PostgreSQL/MySQL, Odoo API, Ahrefs API.
Features: Integration with an internal Task Manager and Odoo ERP, automated generation of proformas and invoices, real-time SEO metric updates via Ahrefs API, sales and copywriting automation.

Siteam Pro

(CRM System for Web Agencies)

Designed a platform to fully control the lifecycle of web projects.

Stack: Laravel, Vue.js, Inertia.js, Redis (queues).
Features: Client communication, offer and technical specification generation, billing, project structure control, and task status tracking.

Lead Generation System & Sales Assistant

(B2B Automation)

A tool for sourcing targeted clients in the US.

Stack: Laravel (core), Vue.js, Python (scraping modules).
Features: Contact data scraping (websites and social media), algorithmic scoring of potential leads, automated generation of personalized email drafts for sales managers.

Telegram Mini App

(E-commerce Ecosystem)

Digitized a client's manual Telegram sales by creating a fully functional in-app store.

Stack: Laravel, Vue.js, Telegram Bot API.
Features: Product catalog, cart, checkout, and delivery processing. Built an admin dashboard for inventory management, order tracking, and sales analytics. Implemented a referral system and loyalty program.

Education & Certification

International Humanitarian University (Odesa) - Bachelor's Degree
Hillel IT School - PHP Basic and PHP Pro (Advanced Laravel Development)
ITVDN - Frontend Development Courses
Udemy - Advanced Git and Docker