I am a detail-oriented technology professional with experience in software quality assurance, manual testing, and data analysis. I enjoy helping businesses improve software quality, gain insights from data, and enhance user experiences through thorough testing and constructive feedback.
## Software QA & Testing
I provide manual testing for web, mobile, and desktop applications to ensure functionality, usability, and reliability.
**Services include:**
* Manual Software Testing
* Functional & Regression Testing
* UI/UX Testing
* Desktop, Web & Mobile Application Testing
* Cross-Browser & Cross-Device Testing
* Test Case Creation & Execution
* Bug Reporting (Jira, Azure DevOps, Trello, ClickUp, or similar tools)
## Data Analysis
I help transform raw data into meaningful insights that support business decisions.
**Services include:**
* Data Cleaning & Validation
* Microsoft Excel & Google Sheets
* SQL Queries
* Data Visualization
* Dashboard Creation
* Reporting & Trend Analysis
## Usability Testing & Product Feedback
I provide detailed usability testing and honest product feedback for software, websites, mobile applications, and consumer products. I focus on identifying usability issues, documenting findings clearly, and offering practical suggestions to improve the overall user experience.
## Why Work With Me?
* Detail-oriented and analytical
* Strong problem-solving skills
* Clear and professional communication
* Reliable and committed to meeting deadlines
* High-quality reports with actionable feedback
Whether you need software testing, data analysis, or usability feedback, I am committed to delivering accurate, reliable, and high-quality results that help improve your product and support informed business decisions.
Data Analysis
Software QA
Software Testing
Information Analysis
Test Results & Analysis
Analytical Presentation
Dashboard
Looker Studio
SQLAlchemy
MySQL
Python
Data Analytics
Prompt Engineering
Matthias K.
Karlsruhe, Germany
$30/hr
5.0
26 jobs
I am an IT Project Manager & Business Analyst with 15+ years of experience leading software projects. I manage a team of 8 developers and handle everything from requirements and testing to smooth project rollouts. I also provide data management and virtual assistance.
My key skills include:
* Project Management (Agile, Scrum, Kanban)
* Tools: Jira, Confluence, Trello
* Requirement Analysis & User Stories
* QA Testing & Release Management
* Data Entry, Data Management & Research
* Virtual Assistance & Task Coordination
Clients value me for my structured approach, clear communication, and reliability. Alongside leading my in-house team, I am seeking exciting freelance projects where I can apply my skills and experience to help clients achieve their goals.
IT Project Management
Agile Project Management
Scrum
Jira
Requirement Analysis
User Stories
Product Backlog
QA Testing
Data Entry
Data Management
Virtual Assistance
Web Testing
Product Testing
Testing
German
Andrii C.
Rostock, Germany
$40/hr
5.0
46 jobs
GTM & GA4 Expert | Server-Side Tracking | Meta Conversion API | BigQuery & Looker Studio | Consent Mode V2
🔥 Tired of inaccurate analytics, missing conversions, and reports you don't trust?
I help ecommerce and lead-gen businesses (Shopify, WooCommerce, custom stacks) fix tracking issues, prevent data loss, and build reliable analytics setups using Google Tag Manager, Google Analytics 4, and server-side tracking.
I'm a digital analytics specialist with 5+ years of experience. I've implemented server-side tracking with Stape for 250+ projects, achieving 85-95% event accuracy under real-world conditions (consent banners, ad blockers, iOS restrictions).
If you want to clearly understand:
which channels actually generate revenue,
where conversions are lost,
and how users move through your funnel before converting -
you're in the right place.
❗️ I don't "recover lost data" - because that's impossible.
✅ What I actually do
What I do is:
identify where and why data is being lost
fix tracking logic, consent issues, and implementation gaps
prevent future data loss
and align analytics with real business KPIs
Most clients come to me because:
GA4 numbers don't match Google Ads or Meta
conversions are missing, duplicated, or unreliable
server-side tracking was set up incorrectly
consent mode breaks attribution
dashboards don't reflect reality
🚀 Selected project experience
- Fixed server-side conversion tracking for an airline client, increasing Safari purchase capture by +37% and eliminating a currency-conversion bug that was overstating Google Ads conversion values by ~3,500x.
- Implemented Meta Conversions API integration, achieving +173% additional tracked conversions and a 9.3/10 Event Match Quality score.
- Built GA4 e-commerce and server-side tracking via Google Tag Manager for a high-traffic Georgian marketplace, focusing on clean event logic and stable attribution.
- Reworked GA4 + GTM + server-side tagging for a European Charitable NPO, replacing manual reporting with automated Looker Studio dashboards and significantly improving data consistency.
- Consolidated server-side tracking across 16 country-specific e-commerce domains for a European home & garden equipment retailer, unifying fragmented multi-country data into a single GA360 property.
🧠 How I work
audit your existing setup,
trace how data flows between systems,
fix broken logic, duplication, and attribution gaps,
and build a tracking setup that stays reliable over time.
Every tag, trigger, and event has a clear business purpose.
⚡️ Services I provide
📊 Google Tag Manager (web & server-side)
📊 Google Analytics 4 setup, audits & migrations
📊 Server-side tracking (Stape, first-party data)
📊 Conversion tracking for Google Ads & Meta (CAPI)
📊 Enhanced e-commerce tracking
📊 DataLayer design & debugging
📊 Cross-domain & subdomain tracking
📊 Consent Mode V2 implementation
📊 Looker Studio dashboards
📊 BigQuery exports & analytics foundations
🏆 Expertise & approach
I continuously work with modern analytics stacks:
GA4, GTM, server-side tagging, Consent Mode V2, Google Ads, Meta CAPI, Looker Studio, BigQuery.
Clients value my work because I focus on:
clarity instead of buzzwords,
prevention instead of patching,
and data they can actually trust.
🧠 Certifications & continuous learning
🔶 Official Stape Partner
🔶 Google Analytics Academy — GA4 Certification
🔶 Google Analytics Academy — Google Tag Manager Certification
🔶 Additional relevant Skillshop certifications (Google Analytics & Google Tag Manager)
🔶 Attended Google EMEA Analytics Summit, Paris (2025)
💬 What clients say about me
"Andrii did a perfect set up of the tracking of our Shopify shop to Facebook and AdWords through Google Tag Manager. Even some FB tech rep commended us on the implementation, as 'one of the best manual integrations' he had seen."
— Mikel, Shopify hobby & craft ecommerce store
"Andrii is an incredibly skillful expert. He helped me to set up advanced server-side tagging and cleaned my other tags."
— Andrew, multi-store Shopify curtain & drapery business
"We hired Andrii to setup server side conversion tracking for Google Ads. He is very knowledgable and quickly implemented tracking. Will definitely hire again!"
— Josh, industrial equipment (cobot palletizer) business
🤝 Ready to fix your tracking?
If your analytics feels unreliable and you want clean, explainable, and decision-ready data -
click Invite, tell me about your setup, and we'll fix the root causes together.
Google Analytics
Google Tag Manager
Facebook
Tracking Tags Installation
Analytics & Tracking Setup
WooCommerce
Shopify
Google Ads
Google Analytics API
Looker Studio
Google Analytics 4
Facebook Pixel Setup & Optimization
Tracking Pixel
BigQuery
Yuliia K.
Elmshorn, Germany
$40/hr
5.0
11 jobs
Hello, I am Yuliia, a GTM specialist and web analyst with a strong PPC marketing background.
I have first-hand experience with the importance of collecting quality data and the benefits of analyzing it. Let me help you create a data-driven business environment. 🚀
Here's how I can assist you:
GOOGLE TAG MANAGER:
✅ Google Tag Manager set up/audit/debugging
✅ Google Ads Conversions Setup and Debug via GTM
✅ E-commerce Tracking via GTM
✅ Event Tracking via GTM
✅ Custom Dimensions & Metrics via GTM
GA4:
✅ GA4 set-up using the best up-to-date practice
✅ GA4 audit and debugging
✅ GA4 custom reports creating
✅ GA4 Audiences set-up
My values:
⭐ Quality first
⭐ Reliable
⭐ Attention to detail
⭐ I am a fan of GTM
🤝 I'm here to help with your data tracking and web analytics operations.
📞 Don't hesitate to reach out to me so we can chat about how I can lend a hand.
👋 Looking forward to hearing from you!
―――――
Best regards,
Yuliia
Google Tag Manager
Google Ads
Google Display Network
Pay Per Click Advertising
Google Analytics 4
Michael F.
Hamburg, Germany
$21/hr
5.0
2 jobs
I have a business management and administration degree and am a marketing analyst. I am experienced in using data-driven strategies to deliver results. My focus areas are Marketing Analytics, Python Data Analytics, and Digital Marketing. I am proficient in SQL, Google Suite, Looker Google, data analysis and visualization, Google Cloud BigQuery, and digital marketing.
I can help you streamline your operations, save valuable time, and provide actionable insights by harnessing the power of data analysis and automation. With a focus on the growth and success of your business, I can analyze your data to uncover insights that will help you prioritize crucial factors for success, ultimately leading to achieving your goals.
Key Skills:
- Data Analysis
- Data Visualization (Tableau, Power BI, Looker Studio)
- Advanced Excel & Google Sheets
- Python Programming
- SQL (MySQL)
- Business Intelligence
- Data Cleaning and Data Entry
- MS Office 365 and MS Excel
- Statistical Analysis
- Reporting and Dashboard Creation
- Data Integration from Multiple Sources
Services I Provide:
- Analyzing data thoroughly to discover patterns and insights
- Producing interactive visualizations using Tableau and Power BI
- Creating advanced Excel models for data analysis and reporting
- Crafting and optimizing SQL queries for data manipulation
- Building Python scripts for data analysis and automation
- Scrubbing and structuring data to ensure precision and uniformity
- Integrating and examining data from diverse origins for comprehensive reporting
- Utilizing statistical tests to validate business hypotheses
- Delivering comprehensive reports and dashboards to aid in strategic decision-making
Reasons to Hire Me:
I have a diverse background in data analysis and have provided valuable insights across different sectors. With my broad skill set, encompassing advanced data visualization, Excel modeling, Python, and SQL, I can adjust to diverse project needs and offer significant input. I am dedicated to supporting clients in reaching their objectives by delivering thorough data analysis, practical suggestions, and intuitive visual representations.
Let's work together to enhance your business and take it to new heights!
Web Analytics
Search Engine Optimization
Digital Marketing
Social Media Advertising
Technical SEO
Local SEO
SEO Strategy
Shopify SEO
Search Engine Marketing
Freelance Marketing
Web Application
Marketing
Social Media Marketing Strategy
Nahidul I.
Kaiserslautern, Germany
$55/hr
5.0
33 jobs
Are you struggling to track and measure your campaign performance? With my expertise in Google Analytics and Google Tag Manager I can provide you with data-driven insights and strategies you need to succeed.
Hello, I'm Nahid, a Certified Google Analytics 4 and Tag Manager expert with a passion for helping businesses succeed online. With my expertise, I can help you leverage the power of data to measure your website's performance, optimize your online campaigns, and make informed business decisions.
Whether you need to track user behavior, conduct data analysis, or implement enhanced e-commerce tracking, I can provide you with the insights and strategies you need to achieve your goals.
📈 I can help you with:
✅ Set up Google Analytics and Tag Manager for your website or web app
✅ Conduct a Google Analytics audit to identify tracking issues and provide solutions
✅ Debug issues with your existing Google Analytics and Tag Manager setup
✅ Implement enhanced e-commerce tracking to understand your customers' purchase behavior
✅ Create custom reports and dashboards to measure the success of your online campaigns
✅ Track user behavior and conversions with custom events, goals, and funnels
✅ Optimize your website for conversions using data analysis and A/B testing
✅ Integrate Google Analytics and Tag Manager with other Google tools like Google Ads, Data Studio, and BigQuery
✅ Set up cross-domain tracking to track user behavior across multiple domains
✅ Define tracking and analytic strategies to meet your business goals
✅ Provide training and support to your team on Google Analytics and Tag Manager
✅ Implement Facebook Pixel and Custom Events Integration to track ad performance and audience behavior
✅ Troubleshoot issues and fix tracking problems with your website or web app
✅ Upgrade your existing Universal Analytics to Google Analytics 4 to take advantage of new features and insights
✅ Analyze your data to provide actionable recommendations on conversion rate optimization (CRO)
✅ Set up Google Ads Conversions and debug any issues with tracking
✅ Optimize your Google Analytics and Tag Manager setup for data accuracy and consistency
✅ Conduct discovery sessions to identify goals and events to track in Google Analytics
✅ Implement Facebook Conversion API (Facebook CAPI) to track events from your website or app.
✅ Implement customized tracking solutions to fit unique business needs and objectives
✅ Provide insights and recommendations on website and marketing campaign performance based on data analysis
✅ Set up and track user interactions with third-party tools like chatbots and form submission tools
✅ Configure and monitor Google Analytics and Tag Manager integrations with other third-party tools
✅ Analyze and optimize website traffic from various sources such as search engines, social media, and email campaigns
✅ Troubleshoot issues related to data collection, processing, and reporting in Google Analytics and Tag Manager
✅ Develop and maintain documentation for Google Analytics and Tag Manager implementations
🎓 Certifications I achieved:
➢ Google Analytics Certification | Google
➢ Google Ads Search Certification | Google
➢ Digital Marketing Strategist | DigitalMarketer
➢ Certified Analytics & Data Specialist | DigitalMarketer
➢ Certified Customer Acquisition Specialist | DigitalMarketer
➢ Certified Search Marketing Specialist | DigitalMarketer
With my help, you'll have a clear understanding of your website's performance and be able to make data-driven decisions to improve it.
🗨 Let's chat if you want to take your online presence to the next level!
Cheers.
P.S. Shoot me a message on UpWork and let's schedule a strategy call to see if I can help you out. No obligations, just a casual conversation to see if we're a good fit. So don't hesitate to reach out!
Web Analytics
Conversion Rate Optimization
Google Analytics
Google Tag Manager
Google Ads
Tag Manager Setup
Tracking Pixel
Looker Studio
Analytics Dashboard
PPC Campaign Setup & Management
Search Engine Marketing
Analytics Account Setup
Pixel Setup & Optimization
Google Merchant Center
Pay Per Click Advertising
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