You will get API Integrations Expert: Custom Webhooks, CRM Sync & Analytics Automation


Project details
Connect your tools. Automate your data. Grow your business.
Data is only valuable when it moves seamlessly between your platforms. If your CRM, website, and marketing tools are working in silos, you are losing efficiency and missing insights. I specialize in building custom "bridges" that ensure your data is always where it needs to be—accurately and in real-time.
What I can help you with:
• Custom API Development & Integration: Connecting REST/SOAP APIs, handling JSON/XML/CSV data, and setting up secure Webhooks.
• CRM & ERP Synchronization: Real-time data sync between your website and platforms like Pipedrive, Salesforce, HubSpot, or custom-built CRMs.
• Automated Analytics & Reporting: Consolidating data from multiple sources into Google Sheets, Looker Studio, or custom SQL dashboards.
• Payment & Subscription Logic: Integrating Stripe, PayPal, or specialized gateways with your backend for automated billing and access control.
• Database Infrastructure: Designing and optimizing SQL schemas (MySQL/SQLite) to handle large volumes of integrated data without performance drops.
Data is only valuable when it moves seamlessly between your platforms. If your CRM, website, and marketing tools are working in silos, you are losing efficiency and missing insights. I specialize in building custom "bridges" that ensure your data is always where it needs to be—accurately and in real-time.
What I can help you with:
• Custom API Development & Integration: Connecting REST/SOAP APIs, handling JSON/XML/CSV data, and setting up secure Webhooks.
• CRM & ERP Synchronization: Real-time data sync between your website and platforms like Pipedrive, Salesforce, HubSpot, or custom-built CRMs.
• Automated Analytics & Reporting: Consolidating data from multiple sources into Google Sheets, Looker Studio, or custom SQL dashboards.
• Payment & Subscription Logic: Integrating Stripe, PayPal, or specialized gateways with your backend for automated billing and access control.
• Database Infrastructure: Designing and optimizing SQL schemas (MySQL/SQLite) to handle large volumes of integrated data without performance drops.
Web Programming Project
API Development, API Integration, Data DashboardProgramming Languages
PHP, HTML & CSS, JavaScriptCoding Expertise
Performance Optimization, Security, DesignWhat's included $500
These options are included with the project scope.
$500
- Delivery Time 5 days
- Number of Revisions 2
- Source Code
Optional add-ons
You can add these on the next page.
Dedicated Backend Developer: Custom PHP/SQL Solutions & API Support
(+ 1 Day)
+$150Frequently asked questions
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AB
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Oscar S.
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About Oleksandr
FullStack Developer, AdTech Tracking Integrator. PHP, SQL, JavaScript
100%
Job Success
Nadezhdivka, Ukraine - 12:46 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.
API Audit & Mapping
I review the documentation of the platforms you want to connect and map out the data flow (endpoints, methods, and triggers).
Environment & Security Setup
Configuring API keys, OAuth2 authentication, and encryption to ensure all data transfers are secure.