Testing browser and server tracking with consent
An engineering note by Faraz Ahmad on consent-gated measurement, browser and server events, shared action IDs and isolated tracking tests.
Software development services.
Software, cloud and connected systems. Explore the areas I work across.
01
API & microservice development
I build the backend services that connect applications, devices and business tools. The focus is a clear interface, predictable behaviour and a system your team can maintain.
02Cloud development with AWS & Google Cloud
I develop cloud services and prepare the infrastructure they need to run. This includes application deployment, access controls, configuration and the everyday tasks of keeping a service usable.
03Web & full-stack development
I build websites and web applications with clear navigation and interfaces that work on mobile and desktop. Frontend, backend and deployment are considered together.
04Mobile, desktop & PWA development
I develop applications for the places people actually work: a phone, a browser or a desktop connected to local equipment. The platform choice follows the workflow.
05Robotics, IoT & computer vision
I work at the connection between software and physical systems: robot drivers, embedded devices, perception and the services that support them.
06Analytics, CRM & marketing automation
I connect measurement, marketing tools and operational workflows so teams can follow an enquiry from the first interaction to a useful CRM record.
Software & apps
Software & apps
Full-stack development
Frontend and backend built together: user interfaces, application logic and deployment.
What I build
- Responsive interfaces
- Authentication & permissions
- Application architecture
Tools & technologies
React
TypeScript
Node.js
PostgreSQL
Software & apps
Web apps & PWA
Browser-based applications with clear navigation, accessible interfaces and offline features where needed.
What I build
- Frontend development
- Progressive web apps
- API integration
Tools & technologies
Next.js- React
Tailwind CSS
PWA
Software & apps
Mobile applications
Applications for iOS and Android, with shared code and native device features.
What I build
- Cross-platform apps
- Device integration
- App delivery
Tools & technologies
- React Native
Expo- TypeScript
Software & apps
Desktop applications
Desktop software that connects local devices, files and services with a familiar interface.
What I build
- Windows applications
- Local hardware access
- Shared web & desktop code
Tools & technologies
Electron- React
- Node.js
Backend & cloud
Backend & cloud
APIs & microservices
Backend services that give applications and devices a consistent way to exchange data.
What I build
- REST APIs & WebSockets
- Microservice architecture
- Authentication & testing
Tools & technologies
NestJS
Spring Boot
FastAPI
Java
Backend & cloud
Cloud development
Deploying and operating application services on AWS and Google Cloud, with repeatable builds and releases.
What I build
- AWS Lambda, EC2 & S3
- Google Cloud services
- Containers & CI/CD
Tools & technologies
AWS
Google Cloud
Docker
GitHub Actions
Backend & cloud
Data & integrations
Database design and integrations that connect existing applications and business systems.
What I build
- Relational databases
- API & event integration
- Data validation
Tools & technologies
- PostgreSQL
MySQL
MongoDB
Redis
IoT & robotics
IoT & robotics
IoT & embedded systems
Firmware and connectivity for devices that need to communicate reliably with applications and cloud services.
What I build
- ESP32 & STM32 firmware
- Sensors & device communication
- Embedded Linux
Tools & technologies
C
C++
Arduino
MQTT
IoT & robotics
Robotics software · ROS / ROS 2
Robot software connecting perception, control and external services, from simulation to the physical device.
What I build
- ROS & ROS 2 nodes
- Simulation with Gazebo
- Robot & service integration
Tools & technologies
ROS / ROS 2
Python- C++
Linux
IoT & robotics
Robotics hardware & integration
Connecting controllers, sensors and software, then testing the complete system on real hardware.
What I build
- Controller & sensor integration
- Device interfaces
- Hardware and software testing
Tools & technologies
Raspberry Pi
ESP32
STM32
NVIDIA Jetson
AI & automation
AI & automation
AI & computer vision
Training and integrating vision models, including inference on edge devices and evaluation on real data.
What I build
- Deep learning & YOLOv8
- Image processing
- Edge inference & HPC
Tools & technologies
PyTorch
TensorFlow
OpenCV- Python
AI & automation
Business systems & automation
Connecting CRM, ERP and application workflows so information moves between systems with less manual work.
What I build
- HubSpot CRM & Odoo ERP
- Workflow automation
- SaaS integrations
Tools & technologies
HubSpot
Odoo
Make
REST APIs
Marketing systems
Marketing systems
Tracking & analytics
First-party measurement, consent-gated tracking and browser/server event coordination.
What I build
- Web & server-side Tag Manager
- Consent Mode v2 & custom cookie banners
- GA4 events, dimensions, audiences & Data API
- Shared event IDs and conversion diagnostics
- GA4 key events, filters & custom event rules
- Consent controls and data minimisation
Tools & technologies
Google Tag Manager
GA4- Google Cloud
Microsoft Clarity
Bing UET
Leadinfo
Marketing systems
CRM & marketing automation
Connect email, page visits, downloads and booking workflows with CRM records, using pseudonymous IDs.
What I build
- HubSpot properties, timeline events & Meetings
- Brevo segments, attributes & webhooks
- Self-hosted workflows, retries & error handling
- Form integrations and lead journeys
- Email clicks, engaged visits, PDF downloads & bookings
- Pseudonymous attribution without personal data in URLs
Tools & technologies
- HubSpot
Brevo
n8n- Make.com
- Docker
Marketing systems
WordPress & performance
Build and maintain multilingual websites and landing pages, with structured content and reliable caching.
What I build
- Elementor pages & ACF metadata
- PHP snippets, REST APIs & forms
- Caching, CSS cleanup & CDN configuration
- Content-versioned assets, PDF and OG checks
Tools & technologies
WordPress
Elementor Pro
ACF
WP Rocket
Cloudflare
GTranslate
Contact Form 7
Marketing systems
Technical SEO
Keep search indexing, language variants and redirects consistent across websites and documents.
What I build
- Canonicals, hreflang & XML sitemaps
- Robots directives and PDF indexing headers
- 301 redirects and crawl audits
- Google, Bing & tag-coverage diagnostics
Tools & technologies
Yoast SEO
Google Search Console- Bing Webmaster Tools
- Tag Assistant
Marketing systems
Paid ads & B2B email
Campaign infrastructure, conversion setup and audience organisation across paid media and outbound email.
What I build
- Google Ads goals & enhanced conversions
- Meta and LinkedIn conversion integrations
- Industry and funnel-based remarketing
- SPF, DKIM, DMARC & deliverability analysis
- Segmented outbound campaigns across AT, DE, CH & LI
- Campaign planning at approximately 150,000-contact scale
Tools & technologies
Google Ads
Meta Ads Manager- Meta Events Manager
LinkedIn Campaign Manager- Brevo
Marketing systems
Reporting, QA & operations
Reporting and independent checks that connect campaign data, system logs and deployment quality.
What I build
- Campaign funnels, regional KPIs & dashboards
- Self-updating Excel trackers & remarketing lists
- Server logs: people versus mail scanners
- Playwright tests with tracking disabled
- Offline workflow tests and access reviews
Tools & technologies
- Python
- openpyxl
Microsoft Excel
Playwright- n8n
Plesk
SSH
Explore the full toolkit.
Languages, frameworks, platforms and tools.
Engineering notes
Implementation choices from my work, explained without client details.
Email-to-CRM attribution without personal data in URLs
Faraz Ahmad explains pseudonymous campaign attribution, webhook validation, workflow retries and email-scanner checks using CRM and automation tools.
Keeping cached pages working during a web deployment
An engineering note by Faraz Ahmad on content-based asset filenames, cache compatibility, release ordering and browser checks for website updates.