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✍🏻 Are you in search of a highly skilled Software QA Engineer with expertise in Performance testing, Performance engineering, Automation testing, Load testing, and Security testing? Look no further! With over 15+ years of experience in the QA industry, I have a proven track record of delivering exceptional software quality solutions to clients. My specialization lies in Performance testing, where I ensure that applications perform optimally, handle high loads, and deliver seamless user experiences. ⭐QA Services ⭐ ✅ Performance Testing ✅ Automation Testing ✅ Security/Penetration Testing ✅ Functional Testing/Regression/Acceptance Testing ✅ Usability Testing ✅ Mobile App Testing (IOS / Android) ✅ Strong knowledge of HTML, CSS and SQL, Python, and Java programming ✅ User Acceptance Testing ✅ API Testing ✅ Experience in SOAP API / REST API/ GraphQL 🛠️ Tools Expertise : ✅ ️Performance testing: JMeter, LoadRunner, Neoload, Gatling, Blaze Meter and K6 ✅ ️Web Automation : Selenium WebDriver, WebDriver.IO, ✅ Defect Tracking Tool: JIRA, Bugzilla, Test Rail ✅ ️Mobile testing: Appium ✅ Monitoring Tools: Dynatrace, AppDynamics, DxApm, Introscope, and Net Diagnostics ✅ Cloud Server Monitoring: AWS Could watch, Open Shift Container, GCP ✅ Data visualization: Splunk, Kibana ✅ Load Generator : Redline13, Balzemeter, LR ✅ ️API testing: Postman, Swagger, Insomnia, Fiddler ✅ ️Cross-browser testing: Browser Stack, Sauce Labs ✅ ️Version Control: Git, Github, GitLab, Bitbucket, Perforce ✅ ️Databases: MongoDB, SQL, MYSQL, Oracle ✅ ️CI/CD: Jenkins, Azure DevOps, Bamboo ✅ ️Build Management: Ant, Maven, Gradle ✅ ️Frameworks: Cucumber, TestNG, JUnit, Mocha, Jasmine ✅ ️Programming knowledge: Java, HTML, JavaScript, Python ➰ Performance Testing Framework ➰ ✅ ️JMeter + Perfmon+ Jenkins ✅ ️JMeter + Jenkins + Grafana ✅ ️JMeter + InfluxDB ✅ ️JMeter + RedLine13/BlazeMeter ⭐ Domain Knowledge ⭐ 📌 E-commerce and retail 📌 Healthcare and medical devices 📌 Finance and banking 📌 Gaming and entertainment 📌 Education and e-learning

Data Engineer & AI Developer | 3+ Years Financial Industry Experience I build data pipelines, AI-powered applications, and automation systems that run reliably at scale. My background spans web scraping, LLM integration, computer vision, betting automation, and full-stack data dashboards — delivered to clients across the US, UK, Europe, and Japan. 💼 Background — 3+ years at a leading Indian bank building risk models, credit scorecards, and AutoML pipelines — PG Diploma in Big Data Analysis ⚡ What I Deliver — Web scrapers handling 1.2M+ URLs and 120K daily pipelines — LLM/AI apps using GPT-4, Gemini, LangChain, RAG, Text-to-SQL — Full Betting automation for horse racing, golf, and football signals — Computer vision pipelines with YOLOv8 and PaddleOCR — Streamlit dashboards, risk scorecards, and AutoML tools 🏆 Notable Work — PitchBook scraper — 1.2M URLs — Njuskalo — 120K daily real estate listings — Text-to-SQL architecture — BetFare — full Betfair automation — LLM Notebook — $1,420 solo delivery — Anti-bot bypass systems 🛠️ Stack Python · Playwright · Selenium · GPT-4 · Gemini · LangChain · Streamlit · PySpark · SQL · YOLOv8 · PaddleOCR · FastAPI · Betfair API · n8n Clean code. Clear communication. Delivered on time.

You don't have a testing problem, you have a quality engineering problem. I am a Senior QA Engineer with 9+ years in commercial QA. On Upwork: 4 contracts, every one rated 5.0, $90K+ earned, 3,920 hours billed. Those are not four quick gigs. Three of them are long-term engagements of roughly 1,000 to over 1,500 hours each, the kind of deep trust most testers on this platform never get to build with a single client. That is the whole point: clients kept me on for a year or more because the quality held, not because a job was small enough to finish and forget. I have worked across healthcare SaaS, enterprise ERP and CRM, and ecommerce, and in more than one of them I built QA from a zero baseline into a working quality function the team could rely on. Here is what I build for you. Test automation frameworks from scratch. Playwright, Selenium, and Rest Assured, structured so the suite stays readable and maintainable as your product grows instead of rotting into something nobody wants to touch. You get a folder structure, reporting, and a naming convention a new engineer can read on day one, not a pile of scripts only I understand. If you already have flaky Selenium tests that fail for no reason, I stabilize them or migrate you to Playwright. CI/CD integration. Tests wired into GitHub Actions, Jenkins, and GitLab so every push runs your regression suite automatically. You find breaks before your users do, not after a customer emails you. Manual, exploratory, and regression testing. Test plans, test case design, and the hands-on day-to-day QA that catches the bugs automation alone will never find. I write the plans and run the testing myself. I do not hand your product to a junior and forward you their notes. API and back-end testing. Rest Assured and Postman for the layer under your UI, where the expensive defects like to hide. Bug reports developers respect. Every defect I file has a clear title, environment, exact steps to reproduce, expected versus actual, severity, and the logs or screenshots to back it up. The kind a developer can act on in minutes instead of bouncing it back with questions. QA process and team leadership. I have set up QA processes end to end and mentored testers on how to build and structure a suite. If you need someone to own quality as a function, not just file tickets, that is the work I do. AI-assisted testing. I use Claude and GitHub Copilot to move faster on test design and coverage, but the judgment, the execution, and every bug report stay human. I have also tested AI products directly, including an ERP/CRM contract where the product itself was AI-driven. And when AI tooling is off the table for your project, I work that way too, no problem. What clients have said about the work: "one of the best QA testers we have worked with and always went above and beyond all expectations." And: "Hands-down one of the best QA testers I have ever dealt with. Extremely professional and amazing communication skills." A few things you are probably screening for, answered up front. Senior, not junior. 9+ years, four 5.0 contracts, real framework builds behind me. I have led QA, not just clicked through someone else's test cases. Compliance-sensitive domains. One of the frameworks I built was for a healthcare SaaS handling billing and compliance-sensitive data, where a wrong number is not a cosmetic bug. I have worked where accuracy is the whole job. Regression speed and coverage. A well-structured automation suite running in CI cuts the hours your team burns re-checking old features every release, so you ship faster with fewer surprises in production. Communication and timezone. English Native/Bilingual, based in Ahmedabad on IST, available now, and I reply within 0 to 4 hours. You will always know exactly where your testing stands. Mobile and cross-platform. Coverage across web and mobile for the flows your users actually run, not just the happy path. How I work. I start by learning your product and where the real risk sits, not by writing tests blindly. I will tell you plainly what is worth automating and what is faster to check by hand. You get bug reports a developer can act on in minutes, clear steps to reproduce, and a suite you or your team can keep running long after I am done. If your product has outgrown manual clicking, if you have a framework that needs building or fixing, or a release process that keeps breaking in production, send me a short note about what you are building and where it hurts. I will tell you plainly whether I am the right fit and what I would do first.

With 7+ years of experience, I'm Expert in Web Scraping, Data Engineer, AI/ML and Full-Stack Developer specializing in large-scale data extraction, automation, and pipeline engineering. I build robust, scalable systems that transform raw data into actionable insights. 💡 Core Expertise Web Scraping & Automation: Expert in bypassing anti-bot systems (CAPTCHA, rate limits, IP rotation) using Scrapy, BeautifulSoup, Selenium, Playwright, and rotating proxies. Automation & Workflow Engineering: Airflow, Prefect, Dagster, n8n, Zapier, Make, Power Automate, UiPath, Step Functions, Logic Apps, GCP Workflows, Business Process Automation, RPA, CI/CD, Jenkins, GitHub Actions, GitLab CI/CD, Monitoring & Alerting. Data Engineering: Designing and building scalable ETL/ELT pipelines for structured, semi-structured, and unstructured data using Apache Airflow, Apache Spark (PySpark), Pandas, Dask, Databricks, Snowflake, Apache Kafka, Apache Hive, Apache Hadoop, Delta Lake, Apache Iceberg, dbt, AWS Glue, Azure Data Factory, Google Cloud Dataflow, Apache NiFi, Trino, Presto, and Apache Beam. Experienced in data warehousing, data lakes, lakehouse architectures, data modeling, data transformation, data quality, data governance, batch and real-time processing, streaming data pipelines, orchestration, workflow automation, schema design, partitioning, optimization, and performance tuning. Proficient with cloud platforms including AWS, Azure, and GCP, S3, Redshift, EMR, Athena, Lambda, Azure Synapse Analytics, Azure Data Lake Storage, BigQuery, Cloud Storage, and Pub/Sub. Skilled in SQL, Python, data integration, data migration, CDC, metadata management, monitoring, CI/CD, Docker, Kubernetes, and modern data stack technologies. Backend Development: High-performance APIs and microservices with FastAPI, Django, Flask, and Celery for async task handling. AI/ML Integration: Leveraging NLP and LLMs (LangChain, Llama, NLTK) for data enrichment, classification, and intelligent automation. Cloud & DevOps: Deploying scalable scrapers and data workflows on AWS (Lambda, ECS, S3), GCP, Docker, and Kubernetes. 🛠️ Tech Stack Data & Scraping: ▸ Scrapy | Selenium | Playwright | Proxies (BrightData, ScraperAPI, etc) ▸ Pandas | PySpark | Apache Airflow | PostgreSQL | MongoDB | Redis Backend & Cloud: ▸ Python (FastAPI, Django, Flask) | Celery | RabbitMQ ▸ AWS (Lambda, ECS, RDS, S3) | GCP | Docker | Kubernetes AI/ML: ▸ NLP (NLTK, spaCy) | LLMs (LangChain, OpenAI, Llama) | Data Annotation Let's turn your data challenges into reliable, scalable solutions. Send me a message to discuss your project!

I help businesses extract intelligence from data, automate complex workflows, and build scalable backend systems using Python, AI, and cloud technologies. With 8+ years of real-world experience, I deliver production-ready solutions—not just scripts. 🔧 Core Expertise ✅ Backend Development (Python) High-performance APIs using Django, FastAPI, Flask Secure authentication, role-based access & integrations Database architecture & optimization (PostgreSQL, MySQL, MongoDB) ✅ Advanced Web Scraping & Data Engineering Scraping dynamic, JS-heavy & protected websites Handling Cloudflare, captchas, rate-limits & bot detection Large-scale, distributed scraping systems Data delivery via APIs, databases, CSV/JSON ✅ AI / ML & Intelligent Automation AI-powered data processing & enrichment Text classification, NLP, sentiment analysis LLM integrations (OpenAI-based workflows, chatbots, agents) Data cleaning, labeling & ML pipelines AI-assisted decision systems & smart automation ✅ Cloud & DevOps AWS / GCP deployments (EC2, Lambda, S3, RDS) Docker, background workers & cron automation CI/CD pipelines, monitoring & scalable infrastructure 24/7 reliable scraping & AI pipelines 💡 Why Clients Work With Me ✔ Production-grade systems built for scale ✔ Clean, maintainable & well-documented code ✔ Strong focus on performance, security & reliability ✔ Transparent communication & on-time delivery ✔ Experience with startups, agencies & enterprise clients 📌 Real-World Solutions I’ve Delivered AI-driven web scraping & data enrichment platforms Job listings, price monitoring & competitor intelligence systems LLM-powered chatbots & internal tools Secure backend APIs for web & mobile apps Automated ETL pipelines & cloud-based workflows If you’re looking for a Python expert who combines backend engineering, web scraping, AI, and cloud, you’re in the right place. 📩 Send me your requirements—I’ll suggest the best technical solution before we begin.

🚀 Need a QA expert who does more than just “testing”? I help SaaS, E-Commerce, and AI companies fix flaky automation, secure authentication flows, and deliver stable, release-ready applications. When tests are unreliable, CI is failing, or bugs escape to production — I fix the root cause, not just the symptoms. 🔍 What I Specialize In: • Flaky Playwright/Selenium test stabilization • CI/CD pipeline reliability (GitHub Actions, Jenkins) • Critical flow testing: Authentication, APIs, onboarding, payments • Security-focused QA: OAuth, JWT, WAF, Burp Suite, input validation • SaaS & E-Commerce end-to-end testing 🔧 Core Skills: • UI Automation: Playwright, Cypress, Selenium, WebdriverIo • API Testing: Postman, Hurl • Security: OAuth, JWT, WAF, Burp Suite, access control • CI/CD: GitHub Actions, Jenkins • Reporting: Jira-ready, developer-friendly bug reports 📊 Proven Results: • 80% reduction in test execution time • Fixed CI failures from auth/session handling • Identified high-risk API & authentication bugs pre-release • Improved release confidence for SaaS & E-Commerce platforms 🤝 My Approach: • Focus on business-critical risks, not just test cases • Clear, actionable reports • Help teams release faster with confidence Ready to stabilize your QA pipeline? Invite me to your job post — let's discuss how to secure your next release.