Hire the Best Defect Tracking Specialists in London, UK

QA Engineer | Manual & Automation Testing | Mobile, Web, API Detail-driven and quality-focused, I specialize in end-to-end software testing across mobile apps, web platforms, and APIs. I help teams launch reliable, user-friendly products by identifying bugs early, streamlining test processes, and ensuring seamless user experiences. Manual Testing Expertise • Functional, Sanity, Smoke, Usability, Security, Regression • Android App Testing Website & Browser Compatibility • REST API Testing using Postman Automation Testing Skills • Selenium WebDriver BDD with Cucumber JUnit Maven, Playwright • IntelliJ Git Custom Framework Design Database & Methodologies • MySQL Agile & Waterfall Testing Approaches Tools & Technologies • Jira for defect tracking & test management • AWS EC2 & S3 for cloud-based testing environments Domain Experience • Healthcare e-Commerce Energy Management Social Networking • Software Lifecycle Tools Storage & Clustering Systems I bring a methodical mindset, clear communication, and a commitment to quality that helps clients meet deadlines with confidence. Whether you're building a new mobile app or refining a complex platform, I am here to ensure it works flawlessly.

Let’s discuss and work together on your projects! . I am a dedicated Quality analyst with Customer satisfaction as first priority. With a strong understanding of software development life cycle and hands-on in test deliveries in Agile and Waterfall , I ensure to deliver high-quality outcomes of work with integrity while maintaining good relationship with co-workers. My Skills set: • Manual Testing(Functional, System, Regression, Integration, Usability and end to end testing) • API • Performance Testing • AI Prompt Testing • Technical Documentation and Writing • Technical Support / Assistance • Project Management • Test plan • Test case design, Execution and documenting • Defect tracking and Reporting and Retest • Risk Assessment - RAIDD • Strong analytical & problem solving • Excellent communication & Team collaboration How and where I can be of help: • Analysing user stories /use cases/requirements for validity and feasibility • Execute all levels of testing (Exploratory, Regression, Smoke & Sanity, Functional, Cross browser, Performance and UAT) • Help AI apps get smarter by testing and providing feedback • Detect and track software defects and inconsistencies, bug reports with annotation • Apply quality engineering principles throughout the Agile product lifecycle • Writing Knowledge Bases and Manuals - Technical Documentation - User Guides • Provide technical support, feedback and recommendations based on best practices What I can offer for the team: • 15+ years of experience as a Software Tester (Web and Mobile) • 8+ years doing management and coordination with developers, PO and operations on a daily basis • Ability to handle multiple tasks simultaneously • Ability to work in a fast-paced environment with minimal supervision • Sense of ownership, critical thinker and problem-solving skills • Excellent interpersonal and communication skills • Team player with Good time-management skills I am very open and flexible on my approach and to discussions to meet each client's needs. Work with integrity. Deliver with quality and excellence.

• 20 years’ experience in digital analytics in both implementation (requirements gathering, tagging, tech spec docs, testing, data QA) and as an end-user (analysis, insights, reporting, dashboarding) • Highly experienced in usage of tag management tools including Google Tag Manager, Adobe DTM, Abobe Launch, Tealium, BrightTag/Signal • Expertise in major tools including Google Analytics/GA4, Google Data Studio, BigQuery, Adobe Analytics, Webtrends, Comscore, Klaviyo, Monetate, Ampitude • Comprehensive knowledge of Javascript, HTML, CSS, jQuery, SQL • Worked across multiple sectors agency-side & client side (Automotive | Media | Publishing | Fashion | eCommerce | Travel | Retail | Health/Pharma | Telecoms | Utilities | Sport | Events | Financial Services) • Past work includes: Dr Martens, The Jockey Club, Premier Inn, Arena Racing Co, BP, HeyCar, Brewdog, Beano Studios, Lexus, Disney, CNN, Mail Online, Daily Mirror, Equifax, Warner Music, Rolls Royce UK, Post Office, VISA, Ford, Audi, National Express

Hi there! I’m Nitesh 👋 If you've already tried other freelancers and agencies and you just want your tracking and technical marketing issues resolved once and for all, you've come to the right place. For the last 9+ years I’ve specialised in technical marketing, data engineering and measurement architecture. I’ve worked with brands like NET-A-PORTER, Flo, M&S, Incubeta, ITV, Ramp, MoonPay, and 90+ other businesses, helping them fix tracking issues, optimise marketing campaigns with data & implement trustworthy reporting. In my previous life, I founded and scaled my own e-commerce business to 35 employees across 18 countries, so I understand the commercial reality behind the data - revenue, CAC, ROAS, margin, funnel leaks, operational chaos - all of it. My work isn’t just about implementation, it’s about impact. What I do best ----------------- 📊 Tracking & Analytics Setup - GA4, GTM, Custom DataLayers Clean measurement architecture so you can trust your analytics and improve marketing campaigns - not guess around missing data. This includes consent management integrations (cookie banners) and Google's advanced consent mode. 🔁 Pixel & Conversion Tracking for Ad Performance - Meta, Google, TikTok, Pinterest & more Implementing pixels, server-side tracking, CAPI + enhanced conversions to improve optimisation efficiency and reduce wasted spend. 📱 Mobile App Analytics & Attribution - AppsFlyer, Adjust, Firebase End-to-end mobile measurement: SDK setup, in-app events, revenue tracking, SKAN support & attribution mapping across iOS/Android. 🏗 Data Modelling & Transformation for BI - BigQuery + Dataform/DBT Building centralised data pipelines with robust modelling, cleaned tables and business-ready datasets for reporting, dashboards and faster decision-making. Tools & Platforms I work with daily ---------------------- - Google Tag Manager (client & server-side), GA4, Consent Mode & Cookie Compliance - CDPs - Segment / Rudderstack - Product - Mixpanel, Amplitude - Pixels - Meta Pixel + CAPI, TikTok Pixel + Events API, Pinterest, Twitter etc - Google Ads (Conversions, Remarketing, Enhanced Conversions) - BI & Reporting - BigQuery, Big Lake, DBT, Dataform, Looker, Metabase & more - Infra - Google Cloud (Cloud Run, Functions, Load Balancers, Terraform, Git) I've worked with nearly 100 clients - naturally, you learn to adapt and upskill across different stacks. If you’re looking for someone who can get your tracking right, boost signal quality for your campaigns, or unify your data for clearer reporting - I’d love to chat. Drop me a line, I'd be happy to help!

18+ years of experience in the digital world as a software developer, data analyst, and finally digital analytics expert. I have several years of experience implementing advanced google analytics including enhanced e-commerce (custom e-commerce websites, Shopify, woocommerce, Episerver including GA4, and GA3) and 5+ years experience of using the google tag manager. I have deep experience in ga reporting, insight analysis, and dashboarding using google data studio and GA itself. I am officially a Shopify partner and I built stores for Shopify customers, including implementing FB pixels, GA, GTM, and enhanced e-commerce tracking. I can also write google app scripts for google analytics data reports and all types of formulas. I also used adobe target and google optimize for A/B tests. I have deep experience in javascript, HTML, CSS, and DOM. I have also experienced google DoubleClick studio and dynamic banner processes. Here are the key areas that I am most experienced with; ► Google Analytics Audits (Universal Analytics and GA4) ► Events, Goals, Conversion Tracking ► Form Submission and Form Abandonment tracking. ► Enhanced Ecommerce Tracking ► Funnel Visualization and Goal Setup. ► Custom Variables Tracking. ► Segmentation. ► Google Ads Conversions Setup and Debug ► Facebook Pixel & Custom Events Integration ► Custom Pixel Implementations (Snapchat, Linkedin Insight, Pinterest) ► Custom Reporting with Google Data Studio ► GTM Audits ► Google Analytics and Google Tag Manager for Shopify, Wordpress and other websites. ► Sub Domain Tracking & Cross-Domain Tracking & 3d Party Tracking ► iFrame Tracking (Hubspot, Calendly Teachable, MailLike) ► Set up A/B test experiments with Google Optimize