API Integration

Groovy, Perl. I build backend systems, AI pipelines and automation — fast, thanks to AI-assisted development (Claude Code, Cursor, Aider). WHAT I DO ⚙️ Go / Backend Automation CRM, API , email service integration s. Daemons, CLI tools, microservices. PostgreSQL, MongoDB, Redis. AI Pipelines & Agents Data collection → LLM processing → delivery (Telegram, email, API ). OpenAI / Claude API integration…

decisions thanks to automatically generated reports. I hold the Make Advanced certification, proving my hands‑on expertise with the platform. In my portfolio you’ll find two demo scenarios: Customer Feedback Collection – automatic distribution and aggregation of survey responses in Google Sheets Invoice Automation – PDF invoice generation and Slack notifications upon issuance Beyond these, I’m continually building and testing integration…

I am a Senior Backend Developer / Team Lead with a focus on Laravel and solving technical business problems. I specialize in: • Integration and configuration of payment systems (Stripe, Fondy, LiqPay, PayPal, WayforPay, Apple Pay, etc.) • API integration…

Hi! My name is Vitaliy, and I’m an experienced Full-Stack Developer specializing in Laravel, Symfony, and WordPress/WooCommerce. For over 14 years, I’ve been helping businesses build, enhance, and scale web projects of any complexity — from online stores to advanced CRM systems and custom integration s. What I offer:Development of online stores (WooCommerce, Laravel, Symfony)Integration…

tasks in eCommerce. I optimize speed, configure integration s, fix errors, restore Checkout flows, and develop custom modules. I work cleanly, predictably, and without unnecessary complications. What I do Website speed optimization (PageSpeed, LCP, TBT) Checkout and payment integration (WooCommerce / Autopay / InPost) Custom module development for OpenCart API , payment systems, and delivery integration…

…deep knowledge of WordPress, Laravel, PHP, React.js and an integrated payment system. More than 5 years of experience in developing and optimizing web platforms, custom solutions and high-load services.Key skills:Development and customization of WordPress themes and plugins.Integration of PayPal, Stripe, Cryptomus and other payment systems.Optimization of performance and acceleration of website loading.Development of REST API…

…marketplace systemsVPN, cybersecurity & anti-fraud solutionsgaming tools & community platformsTech StackLaravel (API, Octane, Horizon, Redis, ClickHouse), Next.js, Kotlin/Android, Docker, PostgreSQL/MySQL, Redis, Nginx, AWS/DigitalOcean, CI/CDStrengthsArchitecture & scalability: DDD, Clean ArchitectureExperience running systems with millions of eventsDevOps: containerization, SSL, monitoring, performance, logsComplex integration…