Need a QA Engineer who can find the bugs your users might discover after release?
I help startups, SaaS companies, and product teams test web, mobile, eCommerce, and AI-powered applications before problems reach their customers.
With 7+ years of professional QA experience, including Senior QA Engineer and QA Lead roles, I have worked across the complete testing lifecycle—from understanding requirements and designing test cases to executing tests, reporting defects, validating fixes, and supporting releases.
🔍 What I can test for you
• Functional & Manual Testing
• Regression, Smoke & Sanity Testing
• End-to-End & User Journey Testing
• Web & Mobile Application Testing
• UI/UX & Usability Testing
• Cross-Browser & Cross-Device Testing
• API Testing with Postman
• Test Case Design & Execution
• UAT & Release Validation
• Payment & Subscription Workflows
• Bug Reporting & Defect Tracking
• Playwright & Selenium Automation
• AI-powered applications & AI/LLM workflows
🧩 Products I have tested
• SaaS platforms
• eCommerce applications
• Shopify & WooCommerce stores
• Online marketplaces
• React applications
• Laravel/PHP applications
• Mobile applications
• Admin dashboards
• Payment and subscription systems
• AI-powered applications
🎯 How I approach QA
I don't limit testing to the happy path.
I look for:
✓ Broken or incomplete user journeys
✓ Edge cases and unexpected inputs
✓ Functional and usability issues
✓ Responsive and cross-browser problems
✓ API and integration issues
✓ Payment/subscription failures
✓ UI/UX inconsistencies
✓ Regression issues after changes
✓ Issues that can negatively affect real users
📋 What you'll receive
• Clear, reproducible bug reports
• Expected vs. actual results
• Steps to reproduce
• Severity/priority assessment
• Screenshots and screen recordings when useful
• Structured test cases and test documentation
• Test execution results
• Clear QA status and progress updates
I have worked closely with developers, product managers, clients, and cross-functional teams, including taking ownership of QA activities from requirement analysis through release.
My experience also includes testing AI-focused products, including an AI recruitment platform, and I am actively applying my QA expertise to AI/LLM-powered applications and workflows.
If you're launching a product, preparing for a release, dealing with recurring bugs, or needing reliable ongoing QA support, send me your application or testing scope and I'll help identify the areas that need the most attention.
QA Testing
Testing
Software Testing
Functional Testing
Manual Testing
Management Skills
Jira
Team Management
QA Automation
Agile Software Development
Scrum
Selenium WebDriver
Test Automation Framework
Automation Framework
Manan S.
Surat, India
$25/hr
5.0
25 jobs
Hello! I’m a Senior QA Tester and Project Manager with 7+ years of experience helping diverse industries like SaaS, AI, E-Commerce, Fintech, Healthcare, and Crypto businesses. I specialize in leading projects, optimizing workflows, and ensuring software quality through QA Testing and Project Management. I’ve successfully contributed to large-scale, high-impact platforms across multiple domains, delivering quality and efficiency at every stage.
As a Top-Rated Upwork freelancer in Software QA Tester and Product & Project Management with a 100% client satisfaction rate, I’m committed to delivering scalable, efficient, high-quality solutions tailored to your business needs.
🌟 My Expertise
1. Software QA Testing
2. Functional, Regression, API & End-to-End Testing
3. Test Case Creation & Test Plan Documentation
4. Bug Tracking & Root Cause Analysis
5. Cross-Browser & Device Testing
6. Project Management & Sprint Support
7. Operations & Process Optimization
8. Product Analysis & Product Management
🏆 Key Achievements
1. Led 20+ Software QA Testing and Product & Project Management projects in Web and Mobile products with budgets ranging from $50K to $2M.
2. Consistently delivered high-quality Project Management and QA by introducing Processes, Test Cases, Regression suites, and QA workflows.
3. Improved product quality and release confidence by implementing structured QA processes and workflows.
4. Maintained 100% client satisfaction through clear communication and reliable delivery.
🛠️ Tools & Tech Stack
1. QA & Testing: Postman, Swagger, BrowserStack, Screaming Frog
2. Project Management: Jira, ClickUp, Trello, Asana, Azure DevOps, Linear
3. Analytics & UX: Mixpanel, Google Analytics, Hotjar, FullStory, Microsoft Clarity
4. Collaboration: Slack, Google Workspace, Microsoft 365, Zapier, Make
🚀 If you need a reliable QA Tester and Project Manager who understands both quality and delivery, let’s discuss how I can support your product.
📩 Send me a message, happy to discuss how I can support your QA or project needs.
✅ Keywords:
Manual QA, QA Engineer, QA Tester, Web Testing, Mobile App Testing, Regression Testing, Functional Testing, End-to-End Testing, API Testing, Postman, Jira, Cross-Browser Testing, SaaS QA, Agile QA, Project Management
Software QA
QA Testing
Project Management
Mobile App Testing
Functional Testing
Web Testing
Testing
Usability Testing
Manual Testing
Product Management
Bug Reports
Test Case Design
Product Analytics
Jira
API Testing
Smita P.
Surat, India
$20/hr
5.0
3 jobs
We help businesses build, modernize, and maintain reliable software solutions using Microsoft technologies and native mobile development.
I'm the founder of Sunsmit Software, where we deliver web, desktop, and mobile applications backed by experienced .NET developers, native Android & iOS developers, and dedicated QA support.
We specialize in building secure, scalable, and production-ready business applications for startups, SMEs, and enterprise clients.
Our expertise includes:
C# & .NET Development
ASP.NET Core & MVC
SQL Server Design & Optimization
WinForms Desktop Applications
REST API Development & Integration
Native Android Development (Java & Kotlin)
Native iOS Development (Swift)
Application Modernization
Performance Optimization
Software Testing & QA
We believe in clear communication, clean code, and delivering solutions that are maintainable long after deployment. Whether you need bug fixes, new features, system integration, or long-term development support, we're committed to delivering software that works reliably in real-world business environments.
C#
.NET Core
ASP.NET MVC
.NET Framework
Microsoft SQL Server
REST API
Entity Framework
SignalR
API Integration
Software Testing
Varshil C.
Surat, India
$10/hr
5.0
9 jobs
Need a detail-oriented Manual QA Tester who can identify bugs before your users do?
I help startups, SaaS companies, and businesses deliver high-quality web and mobile applications through thorough manual testing, detailed bug reporting, and user-focused quality assurance. My goal is to ensure your product works as expected before it reaches your customers.
I hold a Master's degree in Computer Science with a specialization in Artificial Intelligence, giving me a strong technical foundation to understand software functionality, identify issues, and communicate them clearly with development teams.
Services :
✔ Manual Testing
✔ Functional Testing
✔ Website Testing
✔ Mobile App Testing (Android & iOS)
✔ User Acceptance Testing (UAT)
✔ Usability Testing
✔ Cross-Browser Testing
✔ Responsive Website Testing
✔ Regression Testing
✔ Smoke & Sanity Testing
✔ Bug Reporting with Clear Reproduction Steps
✔ Test Case Creation & Execution
Tools & Platforms :
• Jira
• Trello
• ClickUp
• Google Sheets & Excel
• Chrome DevTools
• Browser Testing Across Multiple Devices & Browsers
Why Clients Hire Me :
✔ 100% Job Success on Upwork
✔ 5-Star Client Reviews
✔ Strong Attention to Detail
✔ Clear and Professional Communication
✔ Well-Organized Bug Reports
✔ Reliable and On-Time Delivery
✔ Fast Learner with a Problem-Solving Mindset
✔ Committed to Delivering High-Quality Results
When I test your application, I don't simply click through pages—I test from the perspective of a real user. I carefully verify functionality, identify edge cases, reproduce bugs consistently, and provide detailed reports with screenshots and clear steps to help your development team resolve issues efficiently.
If you're looking for a dependable Manual QA Tester who is committed to improving your software quality and delivering a smooth user experience, I'd be happy to support your project.
Let's work together to build software your users can trust.
Varshil Chodvadiya
Quality Assurance
Manual Testing
Software Testing
Functional Testing
Software QA
Web Testing
Mobile App Testing
User Acceptance Testing
Usability Testing
Regression Testing
Smoke Testing
Test Case Design
Bug Reports
Cross-Browser Testing
Responsive Design Testing
Defect Tracking
Jira
Test Execution
UserTesting
QA Testing
Raj P.
Surat, India
$10/hr
5.0
5 jobs
I help companies improve AI systems by evaluating LLM outputs, identifying quality issues, validating data, and applying detailed evaluation guidelines with consistency and precision.
I’m an AI Training & LLM Evaluation Specialist with 9+ years of experience across AI data quality, LLM evaluation, RLHF, prompt evaluation, data annotation QA, linguistic QA, transcription/TTS evaluation, and computer vision annotation.
My core expertise includes:
• LLM / AI output evaluation and quality assessment
• AI data annotation and annotation QA
• RLHF and human feedback workflows
• Prompt and response evaluation
• Factuality, relevance, consistency, and instruction-following checks
• Hallucination, ambiguity, attribution, and contextual issue detection
• Linguistic and multilingual content QA
• Transcription and TTS/voice quality evaluation
• Research-oriented content and claim review
• Taxonomy, entity, and structured content labeling
• Detailed rubric and guideline-based decision making
• Excel / Google Sheets / structured QA workflows
• Python automation, data validation, and quality control
I’m particularly strong at handling edge cases where the correct decision is not obvious. I carefully evaluate wording, context, source information, attribution, and evidence rather than approving content simply because it appears plausible.
I have also worked with tools and workflows involving Python, Excel, SQL, OpenCV, OCR, Selenium, Label Studio, CVAT, Labelbox, and structured annotation/QA environments.
Whether you need an LLM evaluator, AI data QA specialist, annotation reviewer, linguistic QA analyst, or research-focused content reviewer, I bring a combination of strong attention to detail, analytical thinking, and practical AI evaluation experience.
I’m comfortable working independently, following complex rubrics, documenting decisions clearly, and maintaining consistent quality across high-volume review tasks.
Let’s build better, more reliable AI systems through high-quality human evaluation.
Quality Assurance
Machine Learning Model
Artificial Intelligence
Data Annotation
LLM Prompt Engineering
AI Model Training
Data Quality Assessment
Natural Language Processing
RLHF
Computer Vision
Image Annotation
Video Annotation
Object Detection
Data Labeling
Linguistics
Translation
Audio Transcription
Python
SQL
Prompt Engineering
Harshil J.
Surat, India
$25/hr
5.0
51 jobs
Building the next generation of AI-driven mobile and web experiences.
For me, development isn't just about writing code it’s about velocity and impact. In today’s landscape, that means combining deep engineering expertise with the latest in AI to build products that are smarter, faster, and more intuitive than ever before.
I am a Full Stack Engineer specializing in React Native and AI-Native development. I don't just integrate APIs; I build "Agentic" systems that leverage LLMs for complex reasoning, multi-modal search, and personalized user experiences. By utilizing advanced AI tools (Cursor, Claude, and custom MCP servers), I deliver production-ready code significantly faster than traditional workflows.
Core Technical Arsenal:
- Mobile: Expert-level React Native (iOS/Android), Native modules (Swift/Kotlin), and Expo SDK 50+.
- AI & Intelligence: Deep experience with OpenAI, Claude (Anthropic), and LangChain. Specialist in RAG (Retrieval-Augmented Generation), vector databases (pgvector/Pinecone), and local LLM optimization.
- Full Stack & Cloud: Node.js, Next.js, and Python backends. Expert in AWS/Azure/GCP and automated CI/CD pipelines.
Legacy Strength: Years of experience in Swift, Objective-C, Kotlin, and Java for high-performance native bridges.
Since 2018, I’ve taken projects from a blank page to thousands of active users. I take full ownership of the product lifecycle from architecting scalable backends to polishing the "premium" feel of the UI.
What I bring to your project:
- AI Strategy: I’ll help you figure out where AI adds real value and where it’s just noise.
- Scalable Engineering: Code that doesn’t just work today, but scales to a million users tomorrow.
- Transparency: No jargon. Just clear updates, honest timelines, and a focus on your ROI.
Outside of work, I love to travel, explore new places.
React Native
Flutter
React
TypeScript
JavaScript
Native App Development
iOS Development
Android App Development
Mobile App Development
Swift
Android
iOS
Native App
Firebase
Mobile App
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