You will get Full-Stack Developer: Custom Web Development, API Integrations & Tracking
Project details
What sets this service apart is a "Performance-First" engineering approach. Unlike developers who rely on heavy, bloated frameworks for every task, I specialize in clean, high-performance custom programming using Native PHP and JavaScript. This ensures your project is not only lightweight and fast but also fully tailored to your specific business logic without unnecessary overhead.
Key advantages of working with me:
• Deep Backend Expertise: From complex SQL optimizations (Triggers, JOINs) to building robust REST APIs from scratch.
• AdTech & Marketing DNA: I understand the value of data. My code is built with tracking, attribution, and seamless S2S integrations in mind.
• Full Infrastructure Control: Beyond just writing code, I handle server-side deployment (Linux/SSH/DevOps), ensuring your application is secure and optimized at the server level.
• Scalable Architecture: I build modular systems that are easy to maintain and grow, focusing on "Clean Code" principles.
Whether you need a custom-built PWA, a high-load automation script, or a complex API integration, I deliver reliable, enterprise-grade solutions designed for real-world performance.
Key advantages of working with me:
• Deep Backend Expertise: From complex SQL optimizations (Triggers, JOINs) to building robust REST APIs from scratch.
• AdTech & Marketing DNA: I understand the value of data. My code is built with tracking, attribution, and seamless S2S integrations in mind.
• Full Infrastructure Control: Beyond just writing code, I handle server-side deployment (Linux/SSH/DevOps), ensuring your application is secure and optimized at the server level.
• Scalable Architecture: I build modular systems that are easy to maintain and grow, focusing on "Clean Code" principles.
Whether you need a custom-built PWA, a high-load automation script, or a complex API integration, I deliver reliable, enterprise-grade solutions designed for real-world performance.
Programming Languages
PHP, HTML & CSS, JavaScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included $100
These options are included with the project scope.
$100
- Delivery Time 1 day
- Number of Revisions 1
- Number of Pages 1
- Design Customization
- Content Upload
- Responsive Design
- Source Code
Optional add-ons
You can add these on the next page.
Any Custom Web Development
(+ 1 Day)
+$100Frequently asked questions
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AB
Arthur B.
May 2, 2026
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Fast communication
OS
Oscar S.
Apr 23, 2026
Shopify Event and Ecommerce Tracking
Great at his job, very clear instructions and went above and beyond expectations
About Oleksandr
FullStack Developer, AdTech Tracking Integrator. PHP, SQL, JavaScript
100%
Job Success
Nadezhdivka, Ukraine - 8:11 am local time
Tech Stack: PHP, SQL, JS, CSS, HTML.
Time Zone: UTC +3.
Languages: English, Russian, Ukrainian.
Hard skills:
💻 Web Development:
- Backend: PHP + SQL (MySQL/MariaDB).
- Frontend: JavaScript, HTML5 + CSS3, Turbolinks, Vue.js.
- PWA & Android (TWA/Cordova/WebView) apps, REST API, Git, build tools (NPM/Webpack/Gulp).
🎯 AdTech & Tracking:
- Conversion Tracking: GTM, Pixels, Server-Side Tracking, Ads Conversion APIs.
- Data Integrations: S2S Postbacks, custom API integrations, attribution modeling, data pipelines.
- Ad Ops & Automation: Advertising management systems, anti-detect solutions, custom reporting dashboards.
- Performance Tools: Marketing automation scripts, landing page generators, ad campaigns monitoring tools.
- Marketing Software: Deep experience with TDS (Keitaro, Binom, Voluum), and affiliate tracking systems.
- Traffic Sources: Integrations with Meta|Google|TikTok Ads, and native advertising platforms (Taboola, Outbrain).
🛠️ DevOps & Infrastructure:
- Server Management: Linux OS (Debian/Ubuntu) administration, control panels for web/database/email servers.
- Automation: Bash scripting for server tasks, Git-based workflows, and automated environment deployment.
- Network & Security: Cloudflare (API-driven management), DNS orchestration, SSL/TLS, and VPN/Proxy configurations.
- Cloud & Workspace: VPS/Cloud administration and infrastructure setup. Enterprise collaboration platforms and IAM management for teams and organizations.
🎨 Web Design & UI/UX:
- UI/UX Focus: Performance-first landing pages and responsive interfaces for web & mobile.
- Asset Management: Technical processing of web graphics, fonts, audio, video, and PDF files.
- Design-to-Code Tools: Figma, Photoshop, Illustrator.
💡 Bridging Development & Digital Marketing.
Experience:
2016 - Freelance. Worldwide.
2018 - Frontend dev at an iGaming software development company.
2019 - Web/Apps dev, tech integrator at affiliate marketing team (igaming, betting, dating).
2020 - Full stack at political consulting and PR agency.
2022 - CTO at affiliate marketing company.
2023 - Lead of a small team. Android ASO apps for igaming. Full cycle.
2024-2025 - Conversion tracking specialist at advertising agency (native ads).
Steps for completing your project
After purchasing the project, send requirements so Oleksandr can start the project.
Delivery time starts when Oleksandr receives requirements from you.
Oleksandr works on your project following the steps below.
Revisions may occur after the delivery date.
Reviewing your technical requirements and existing code (if any)
We’ll define the database schema, API endpoints, and the core logic to ensure a solid foundation.
Architecture & Database Design, Development & API Integration
Setting up the database structure (SQL) and planning the backend architecture (PHP). I implement the core features, integrate necessary third-party APIs, and build custom handlers for your specific business logic.