Hire the Best API Integration Freelancers
in Ukraine

Looking for a developer who can fix that annoying bug or build a custom script fast? I am a trained Software Engineer who loves turning complex problems into simple, working solutions. I work across both frontend and backend environments. My modern development workflow allows me to deliver high-quality, tested code in record time. I am highly responsive, detail-oriented, and ready to tackle your immediate technical needs from UI adjustments to server-side logic.

🏆 I am a Python Developer with a strong background in automation and workflow systems. Previously, I built and maintained automation solutions using no-code platforms, integrating APIs and optimizing business processes. Now I focus on Python-based automation, scripting, and backend logic to build more flexible and scalable solutions. I have strong analytical thinking, understand how systems work internally, and enjoy solving technical problems through clean and logical code.

Experts in API Integration and Integration Architecture for complex business systems. When business systems must exchange data reliably, simple API connections are rarely enough. We design and build production-grade API integrations connecting ERP, CRM, e-commerce platforms, and internal systems — focusing on reliability, observability, and long-term maintainability. Our work centers on custom integrations that support real business operations, not fragile scripts or quick automation hacks. 🧩 What We Do 🔹 API Integration & System Connectivity Design and implementation of reliable API integrations between ERP, CRM, e-commerce, marketing, and internal systems using REST APIs, webhooks, and secure authentication. 🔹 Integration Architecture Design of robust integration architectures including data synchronization strategies, retry logic, monitoring, error handling, and long-term maintainability. 🔹 On-premise Integration Platforms Custom API integration hubs deployed on your infrastructure (Laravel / PHP), including scheduling, logging, monitoring, and full operational control. 🔹 API Development & Consulting End-to-end API development: REST API design, OAuth authentication, webhook processing, multi-system integration strategies, system audits, and integration consulting. 🔹 Data Synchronization Reliable data pipelines between ERP, CRM, analytics, and internal systems with validation, monitoring, and recovery mechanisms. ⚙️ Our Strengths ✅ Strong focus on API integration for complex business workflows (finance, e-commerce, logistics, marketing operations) ✅ Production reliability by default — logging, retries, monitoring, and alerts included ✅ Security-first architecture suitable for on-premise and private cloud deployments ✅ End-to-end ownership — from architecture and API development to deployment and long-term support 🧠 Tech Stack Languages & Frameworks: Laravel / PHP / Node.js / Python Integration Technologies: REST APIs, Webhooks, OAuth, event-driven integrations Platforms & APIs: HubSpot, QuickBooks Online, Xero, Shopify, Acumatica, BigCommerce, Airtable, Slack, Notion, Google Workspace Infrastructure: AWS, DigitalOcean, Docker, Linux 🌟 Why Clients Choose QPMSoft 💼 $400K+ earned on Upwork | 100% Job Success | 10+ years building integration systems 🤝 Clear communication, fast response times, and realistic expectations 🚀 Flexible engagement models — from focused API integrations to long-term integration platforms Whether you need API Integration, custom API Development, or reliable system integrations between ERP, CRM, and e-commerce platforms, we focus on building systems that are stable, maintainable, and production-ready.

I build Python automation tools, AI-powered scripts, and backend integrations that save time and reduce manual work. My core stack: Python, OpenAI/Claude API, REST APIs, web scraping, JavaScript/TypeScript, Node.js, PHP. What I've delivered: - AI editorial review tool — processes .docx manuscripts with automated annotations - YouTube Data Scraper — collects video, comment and channel stats via Data API - JARVIS — desktop AI assistant with voice recognition and GPT integration - Real-time network security scanner with WebSocket updates I write clean, documented code and deliver on time. Available for automation scripts, AI integrations, data pipelines, and API work.

n8n automation specialist - I build workflows that connect Airtable, APIs, Google Drive etc into systems that run without manual work. I specialize in connecting Airtable, APIs, Google Drive, BigQuery, and CRMs into workflows that handle data sync, reporting, and operational logic without manual intervention. What I typically work on: - n8n workflows: REST API, webhooks, pagination, deduplication, error handling, sub-workflows - Airtable architecture: table structure, linked records, access control, sync logic - Data pipelines: CRM → BigQuery → Looker Studio, automated and reporting-ready - Operational automation: booking flows, donor reporting, invoice processing, Google Drive automation I don't just connect tools — I design how data moves between them, where it gets validated, and what happens when something breaks. Past work includes systems for humanitarian organizations (Mission Kharkiv, Eleos Ukraine) and private businesses in the UK. 100% Job Success · Top Rated

★★★★★ Professional developer. Having 8+ years of experience. Web development: ✔ PHP ✔ HTML ✔ CSS ✔ JavaScript (Jquery/Jquery UI) ✔ MySQL ✔ XML ✔ JSON ✔ CSV ✔ API ✔ Bootstrap Why should you work with me? ✔ Perform your project in a great way. ✔ high quality; ✔ Meeting deadlines; ✔ 40+ hrs/week online;