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Skills

  • Web Servers
  • Cron Jobs
  • Payment Gateway Integration
  • PHP
  • React
  • Web Hosting
  • Web Management
  • API Integrations
  • AWS
  • Data Scraping
  • JavaScript
  • Python
  • Shopify
  • Web Development
  • .NET

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Services

  • Integrate Paypal/Stripe Payment Gateway

    $20/hr Starting at $300 Ongoing

    Dedicated Resource

    Why do you need payment gateway integrated onto your website? ⇨ Much faster (and easier) than cheques or manual credit card processing ⇨ Much more secure than manual credit card processing ⇨ No need for...

    .NETAPI IntegrationsAWSCakePHPCI/CD

  • Website/Domain Hosting

    $20/hr Starting at $150 Ongoing

    Dedicated Resource

    Need reliable domain hosting without the headaches? I offer full-service domain hosting and management — including setup, DNS configuration, SSL support, email routing, and ongoing maintenance. Whether...

    .NETAPI IntegrationsAWSCakePHPCI/CD

  • Web and Data scraping

    $20/hr Starting at $150 Ongoing

    Dedicated Resource

    As a professional Web Scraper with 12+ years of experience working with web scraping and served more than 500+ buyers and scraped almost all types of websites. Don't hesitate to send me your requirements...

    CsvData ScrapingExcelJSONMicrosoft Word

  • API Integration

    $20/hr Starting at $150 Ongoing

    Dedicated Resource

    I have more than 10+ years of experience in working with critical APIs for fortune 60 company, 300+ clients and thorough knowledge in scalable API designing and deployment. I will do your API in: PHP...

    API DevelopmentAPI IntegrationsBack End DevelopmentIntegrationJava

  • Web application using PHP & MySql

    $20/hr Starting at $200 Ongoing

    Dedicated Resource

    Dear Buyer, Thank you for visiting Service. PHP + MySql based development : 10+ years of experience in PHP based web application development. Technology stack : - Programming Skills: PHP - DBMS : MySql...

    AjaxAWSJavaScriptjQueryMySQL

  • OpenAI's API Integration

    $20/hr Starting at $200 Ongoing

    Dedicated Resource

    Are you looking to leverage the power of artificial intelligence to optimize your business processes and enhance customer experience? Look no further than our professional software engineering services...

    AI AlgorithmsArtificial IntelligenceChatbotsChatGPTOpen AI

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About

Full-stack software developer

I'm Piotr Frelik, I make collaboration seamless, efficient, and results-driven.
As a top-tier software developer, I specialize in crafting innovative, scalable, and high-performance solutions tailored to your needs.

✔ 8+ Years of Industry Experience – Proven success across startups, enterprises, and high-profile clients.
✔ Global Reach – Supporting clients across the US, UK....
✔ High Success Rate – 100% project completion and client satisfaction

♛ Technologies & Services I Offer

Full-Stack Development
✔ JavaScript (React, Angular, Vue, Next.js, Node.js)
✔ Python (Django, Flask, FastAPI)
✔ PHP Frameworks (Laravel, Yii, CodeIgniter, CakePHP)
✔ Java (Spring Boot, Quarkus)
✔ C# (.NET Core, ASP.NET, Unity3D)

Creative & UI/UX Design
✔ Figma, Adobe XD, Photoshop, Illustrator
✔ Web & Mobile App Wireframing & Prototyping
✔ Branding & Identity Design (Logos, Stationery, Flyers, Brochures, Business Cards)

Web & CMS Development
✔ WordPress, Magento, Shopify, Joomla, Drupal, PrestaShop
✔ PSD/Sketch/Figma to HTML, WordPress, and CMS Integration

Mobile & Game Development
✔ React Native, Flutter, Ionic, Cordova
✔ Native Android (Kotlin) & iOS (Swift)
✔ Unity3D / Unreal Engine for Game Development

Cloud & DevOps Solutions
✔ AWS, Azure, Google Cloud
✔ Docker & Kubernetes
✔ CI/CD Pipelines & Infrastructure Automation, Terraform
✔ Server Optimization & Performance Enhancement
✔ AWS Bedrock, Lambda, S3, EC2
✔ Azure OpenAI, Cognitive Services, ML Studio
✔ GCP Vertex AI, BigQuery, Cloud Run

AI & Large Language Models (LLMs)
✔ OpenAI (GPT-4, GPT-3.5, Fine-tuning)
✔ Google Vertex AI, Bedrock, Cohere, Mistral, Llama 3
✔ LangChain, LangGraph, Pinecone, ChromaDB
✔ Prompt Engineering & AI-powered Chatbots
✔ AI-driven Quiz & Assessment Systems


♛ Let’s Build Something Amazing!
I thrive on solving complex challenges and delivering outstanding digital solutions. Whether you need a full-scale enterprise platform, an AI-powered system, or a high-performance web/mobile app, we’re here to bring your vision to life.

Let’s Connect! Tell me about your project, and let’s create something exceptional together.

Work Terms

8 years

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