Hire the Best Quality Control Professionals

Clients rate our Quality Control Professionals
Rating is 4.8 out of 5.
4.8/5
Based on 1,470 client reviews
Kelvin W.

Nairobi, Kenya

$20/hr
5.0
8 jobs

Turning complex regulatory requirements, market data, and unstructured information into clear, decision-ready intelligence — with the operational rigor to keep the underlying data clean, accurate, and reliable. With 1,800+ hours across data validation, annotation, report review, metric verification, and quality-control workflows, I bring systematic rigor to every assignment. My discipline is consistent: verify first, organize second, deliver third. What I Can Help With ✔️ Regulatory & Compliance Research: Researching requirements, licensing, standards, and jurisdiction-specific rules mapped to your business context. ✔️ Regulatory Gap Analysis: Comparing practices against requirements, identifying risks, and translating findings into prioritized actions. ✔️ Market & Competitor Research: Researching markets, competitors, trends, and regulatory environments to support strategic decisions. ✔️ Report Review & QA: Reviewing deliverables for completeness, consistency, unsupported claims, missing data, and logic issues. ✔️ Data Validation & Source Verification: Cross-checking extracted information against sources, identifying discrepancies, duplicates, and inconsistent values. ✔️ Structured Data & Spreadsheet QA: Working with large datasets using formulas, pivot tables, validation rules, and conditional formatting. ✔️ AI-Assisted Research & QA: Reviewing AI outputs, validating findings against sources, and applying human quality control before delivery. Administrative & Account Data Support Beyond research, I support operational teams with structured administrative work where accuracy and process discipline are critical. ✔️ High-Volume Data Entry & Account Administration: Processing customer and merchant submissions, updating account records, and working through repetitive workflows with sustained accuracy. ✔️ CRM & Web-Based Administrative Portals: Navigating structured dashboards, managing account profiles, and following established procedures for consistent record-keeping. ✔️ SQL & Database Verification: Using PostgreSQL and SQL queries to inspect records, investigate discrepancies, and verify data at the source level. When an account shows conflicting information, I query the database directly to determine ground truth before updating or escalating. ✔️ Spreadsheet-Based Task Management: Using Excel and Google Sheets with formulas, validation rules, and conditional formatting to track, verify, and organize batch tasks. ✔️ Secure Credential & Account Updates: Handling password resets, profile changes, and confidential modifications with strict attention to procedure and data protection. ✔️ Checklist-Driven Workflow Execution: Independently working through assigned queues of 20–50+ items while maintaining consistent accuracy and flagging exceptions appropriately. Quality Assurance Background My QA experience strengthens both research and administrative work. I am accustomed to high-volume, detail-heavy workflows where small errors affect final results. I have worked with: ✔️ Project report validation across multiple industries. ✔️ Supply-chain and sustainability datasets requiring cross-reference verification. ✔️ Structured annotation and mapping workflows. ✔️ Extracted metrics and source-document verification. ✔️ Entity and relationship matching across large datasets. ✔️ Duplicate and inconsistency detection. ✔️ Spreadsheet-based quality control with formula-driven validation. ✔️ SQL-assisted record verification for database-level accuracy checks. ✔️ AI-assisted review workflows requiring human judgment. Tools & Technologies ✔️ Research & Analysis: Regulatory databases, industry publications, market intelligence platforms. ✔️ Data & Spreadsheets: Microsoft Excel, Google Sheets, formulas, pivot tables, data validation, conditional formatting. ✔️ Databases: PostgreSQL, MySQL, SQL queries for data inspection and verification. ✔️ Administrative Systems: CRM platforms, web-based admin portals, password management systems. ✔️ Communication & Documentation: Google Workspace, Microsoft Office, collaborative platforms. What Clients Can Expect ✔️ Thorough and structured research beyond surface-level summaries. ✔️ Strong attention to detail in every task, strategic or operational. ✔️ Clear documentation and reporting that supports decision-making. ✔️ Careful source and data verification you can rely on. ✔️ Practical, decision-oriented analysis. ✔️ Reliable handling of repetitive and high-volume work without quality degradation. ✔️ Clear communication and appropriate issue escalation. ✔️ Consistent quality and organized delivery that respects your time. I work independently, follow established frameworks and procedures, and treat your data with complete confidentiality. Available for long-term research, compliance, regulatory, market intelligence, data administration, and QA assignments.

  • Quality Control
  • Classification
  • Accuracy Verification
  • Legal Research
  • Data Labeling
  • Supply Chain Management
  • Regulatory Compliance
  • Proofreading
  • Content Research
  • Data Entry
  • Data Mining
  • Company Research
  • Communications
  • Computer Skills
  • Quality Assurance
  • Strategic Planning
  • Stakeholder Management
  • Customer Service
  • Administrative Support
  • Email Communication
Jessel C.

Lugait, Philippines

$7/hr
5.0
8 jobs

I’m a detail-oriented Manual QA Tester with hands-on experience testing web and mobile applications, validating user flows, identifying issues, and providing clear and actionable bug reports. I have experience working on projects involving: • Web and mobile applications • Multi-role systems and user workflows • E-commerce and logistics platforms • E-learning applications • Feature and usability testing • Cross-browser and mobile testing What I Can Help You With: ✔ Functional Testing ✔ Smoke, Sanity & Regression Testing ✔ Web & Mobile App Testing ✔ Exploratory & UI/UX Testing ✔ Test Case Creation & Execution ✔ Bug Reporting, Documentation & Retesting ✔ Cross-Browser & User Flow Testing ✔ Feature Validation & Usability Testing Tools I Use: Jira | ClickUp | Google Sheets | Google Docs | Slack | Discord I don’t just check whether a feature works—I test from the user’s perspective, explore different scenarios, validate workflows, and look for issues that could affect the overall user experience. You can expect: ✔ Clear and detailed bug reports ✔ Reproducible steps with screenshots or videos ✔ Thorough testing and retesting ✔ Well-documented test cases and results ✔ Clear communication and timely updates ✔ Reliable QA support throughout the testing process My goal is simple: help you deliver a stable, reliable, and user-friendly product by identifying issues before they reach your users.

  • QA Testing
  • Mobile App Testing
  • Web Testing
  • Test Case Design
  • Functional Testing
  • Integration Testing
  • Regression Testing
  • Agile Software Development
  • End-to-End Testing
Rhina Rose L.

Sta. Ana, Manila, Philippines

$7/hr
5.0
52 jobs

⭐ Top Rated Plus - Among the Top 3% of Upwork Freelancers Are you looking for a proactive partner to take the stress out of your daily operations, manage your customer systems, and keep your brand growing? I am here to help! As a Top Rated Plus freelancer ranking in the top 3% of talent on Upwork, I manage large-scale contracts with absolute reliability and clear communication.  Here is exactly how I can support your business:  ✓Lead Generation, Outreach & Follow-Up Tracking ✓ Customer Support: Email, chat, and phone support, customer inquiries, issue resolution, and customer communication ✓ Social Media Management: LinkedIn, Instagram, Facebook, content updates, audience engagement, community engagement, and organic audience growth ✓ Social Media Outreach: Strategic commenting, engaging with relevant accounts and communities, responding to audiences, increasing visibility, and supporting follower growth ✓ Manual QA Testing | Bug Identification & Reporting ✓ Canva & Visual Content: Canva designs, presentations, social media graphics, marketing materials, visual content updates, templates, and digital assets ✓ AI Content & Generation: ChatGPT, AI image generation, AI video generation, AI-assisted content creation, content refinement, and AI research ✓ AI Agent Content Management: Updating AI triggers and trigger purposes, reviewing and updating AI agent responses, refining AI-generated content, and maintaining AI-related information ✓ User Guides & Documentation: Updating user guides, maintaining documentation, organizing information, and keeping instructional content accurate and up to date ✓ Content Management: Website content updates, CMS, content organization, backend system updates, product and listing updates, and digital content maintenance ✓ CRM & Data Entry: CRM data entry, database updates, information management, data collection, online research, and backend system maintenance ✓ E-commerce Support: Product listings, product descriptions, order entry, order management, and e-commerce content management ✓ CRM & Business Systems: Salesforce, Odoo ERP, Zoho, Trello, Formchat, ManyChat, and Olark ✓ Productivity Tools: Microsoft Excel, Word, Google Sheets, PDF, and Jotform ✓ Video & Multimedia: Video editing, AI-generated video, No code animation, Chatgpt, Midjourney AI, Powtoon, and Monosnap ✓ Website & Backend Support: Website content management, CMS updates, backend data updates, and digital content maintenance ✓ Quality & Administrative Support: Quality monitoring, progress tracking, task management, documentation, and administrative assistance Why Clients Hire Me: 💼 8+ Years of Professional Experience ✅ 40+ Successfully Completed Projects 🧠 Quick to Learn, Adapt & Solve Problems 📌 Detail-Driven, Organized & Process-Focused 🗣️ Clear Communication & Strong Follow-Through 🔗 Dependable Partner for Long-Term Collaboration 🌐 Comfortable Supporting Global Teams & Time Zones

  • Quality Control
  • Customer Support
  • Administrative Support
  • Virtual Assistance
  • Data Entry
  • Google Docs
  • CRM Software
  • Spreadsheet Skills
  • Lead Generation
  • Email Outreach
  • Email Communication
  • Microsoft Excel
  • Email Support
  • Social Media Engagement
  • Social Media Replies
  • Airtable
  • AI Image Generator
  • Powtoon
  • Jotform
Jose G.

La Victoria, Venezuela

$4/hr
5.0
2 jobs

A versatile and analytical professional with a strong track record in industrial coordination, maintenance logistics, and process management. Holding a Higher University Technician (TSU) degree in Mechanics and having pursued advanced studies in Petroleum Engineering, I have developed a highly methodical mindset focused on problem-solving and quality control throughout my career. Alongside my operational experience in mechanical and industrial environments, I have expanded my profile into the digital and technology sectors, specializing in Quality Assurance (QA) for websites and applications. My approach as a QA Tester focuses on identifying defects, executing functional tests, evaluating usability (UX), and generating detailed technical reports to ensure efficient, error-free digital products. My profile is distinguished by a blend of technical and management expertise: Operational Management and Control: Experience in maintenance planning, supply logistics, inventory control, and financial analysis. Quality Assurance (QA): Application of rigorous inspection methodologies, functional software/web testing, and process optimization. Technical and Analytical Tools: Proficiency in technical design software (AutoCAD, Inventor), data analysis, and the implementation of optimization strategies. Leadership and Communication: Proven ability to coordinate teams, supervise technical personnel, and communicate assertively. I am passionate about integrating engineering-based logical thinking with the development and optimization of digital environments, consistently bringing precision, discipline, and high quality standards to every project. I excel in industrial coordination and logistics with over 10 years of experience focused on optimizing operational and mechanical processes. My technical expertise in industrial and automotive mechanics allows me to supervise teams with a high standard of precision. I utilize advanced design tools like AutoCAD and Inventor to effectively plan projects and manage resources. My experience spans from administrative support to data analysis, enabling me to bring a well-rounded perspective to every project. If you are seeking a professional who can enhance efficiency and drive project success through effective logistics and maintenance coordination, let’s connect. I am eager to collaborate and help elevate your operations to the next level.

  • Data Entry
  • General Transcription
  • Virtual Assistance
  • Microsoft Project
  • Project Management
  • Logistics Coordination
  • Mechanical Design
  • AutoCAD Civil 3D
  • Microsoft Power BI
  • Python
  • QASH
  • QA Automation
  • QA Software & Testing Tools
  • Mobile QA
  • Qashqai
Rhea S.

Makati City, Philippines

$5/hr
5.0
10 jobs

I am a detail-oriented Manual QA Engineer with experience in banking, CRM, ETL, and web application testing. I specialize in System Integration Testing (SIT), User Acceptance Testing (UAT), Regression Testing, and defect tracking using Jira. I have worked on projects involving: Banking systems and payroll validation Cash Card migration and ETL testing Adobe Experience Manager (AEM) website testing CRM and Documentum platforms Cross-browser and mobile testing My expertise includes: ✔ Test Case Creation & Execution ✔ Bug Reporting & Defect Tracking ✔ Functional, Regression, Smoke & Sanity Testing ✔ ETL & Database Validation on Back Office Portal ✔ API Testing ✔ Web & Mobile Testing (Android and IOS) ✔ Jira Documentation & Reporting I focus on delivering accurate, high-quality testing results while maintaining clear communication and meeting project deadlines.

  • Software Testing
  • Software QA
  • Testing
  • Test Results & Analysis
  • Quality Assurance
  • Web Testing
  • Manual Testing
  • Jira
  • Mobile App
  • Technical Support
  • Data Entry
  • Transaction Data Entry
Phuong N.

Ho Chi Minh, Vietnam

$12/hr
4.9
99 jobs

With 14+ years of experience in Software Quality Assurance, I help businesses deliver stable, user-friendly, and high-performing Web, Mobile (iOS/Android), Desktop, and AI-driven applications. I have worked as a QA Manager, QA Team Lead, and Senior QA Engineer, handling projects from requirement analysis to production release. My focus is not only finding bugs, but improving overall product quality and user experience. What I Offer: ✅ Comprehensive QA Services: -Test Planning & Strategy -Test Case Design & Execution -User Acceptance Testing (UAT) -Regression, Functional, Usability, and Cross-Platform Testing -Defect Reporting & Management ✅ Specialized Testing Techniques: -Manual Testing (Black Box, Ad-Hoc, Compatibility) -Automated Testing using tools like Selenium, Appium -Mobile Testing (Android, iOS) ✅ Industries I've Worked With: -SaaS, CRM, ERP -E-Commerce & Retail (Shopify, WooCommerce, Magento) -FinTech & EdTech -Healthcare, AI, Blockchain -Travel & Domain Management Tools ✅ Tools & Platforms Proficiency: -Bug Tracking Tools: Jira, Trello, Bugzilla, ClickUp, Asana, Notion, Monday -Testing Tools: Selenium, Appium, Postman (API Testing), TestNG -Project Management: Google Docs, Sheets, Basecamp, GitHub I am Top Rated Plus. I have maintained 100% customer satisfaction and repeat business by genuinely caring about my client's product, budget, and communication needs. I am passionate about Mobile/Web application testing, and that always comes across in the quality of my work I would be excited to participate in your work and make contribute to your success. Looking forward to working with you Thanks

  • Game Testing
  • Beta Testing
  • Functional Testing
  • Web Testing
  • Mobile App Testing
  • Bugzilla
  • GitLab
  • Software QA
  • Documentation Testing
  • Manual Testing
  • Test Case Design
  • QA Management
  • Bug Reports
  • GUI Testing
  • Regression Testing

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How to Hire Top Quality Control Specialists

How to hire quality control specialists

Quality control specialists serve as the last vanguard of quality between production and distribution. 

So how do you hire quality control specialists? What follows are some tips for finding top quality control specialists on Upwork.

How to shortlist quality control professionals

As you’re browsing available quality control consultants, it can be helpful to develop a shortlist of the professionals you may want to interview. You can screen profiles on criteria such as:

  • Product fit. You want a quality control specialist who is familiar with the types of defects that can occur in the type of product you are producing. 
  • Project experience. Screen candidate profiles for specific skills and experience (e.g., coding quality control software tests to check for bugs).
  • Feedback. Check reviews from past clients for glowing testimonials or red flags that can tell you what it’s like to work with a particular quality control specialist.

How to write an effective quality control job post

With a clear picture of your ideal quality control specialist in mind, it’s time to write that job post. Although you don’t need a full job description as you would when hiring an employee, aim to provide enough detail for a contractor to know if they’re the right fit for the project. 

An effective quality control job post should include: 

  • Scope of work: From writing test procedures to performing product reviews, list all the deliverables you’ll need. 
  • Project length: Your job post should indicate whether this is a smaller or larger project. 
  • Background: If you prefer experience with certain industries, types of products, or testing methods, mention this here. 
  • Budget: Set a budget and note your preference for hourly rates vs. fixed-price contracts.

Ready to ensure your customers receive quality products? Log in and post your quality control job on Upwork today.

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QUALITY CONTROL SPECIALISTS FAQ

Frequently asked questions

What is quality control?

Quality control is the practice of screening a product before it is shipped or deployed to the consumer. In contrast with quality assurance, which is process-oriented and concerned with defect prevention, quality control is product-oriented and concerned with defect identification.

Here’s a quick overview of the skills you should look for in quality control professionals:

  • Quality control
  • Product testing
  • Product expertise (e.g., software testing, hardware testing)

Why do you want to hire quality control specialists?

The trick to finding top quality control specialists is to identify your needs. Does your company produce a software product that needs to be subjected to SQC (software quality control) procedures prior to deployment? Or is your goal to find a quality expert to help create quality control testing procedures for a physical product? The cost of your project will depend largely on your scope of work and the specific skills needed to bring your project to life. 

How much does it cost to hire a quality control specialist?

Rates can vary due to many factors, including expertise and experience, location, and market conditions.

  • An experienced quality control specialist may command higher fees but also work faster, have more-specialized areas of expertise, and deliver higher-quality work.
  • A contractor who is still in the process of building a client base may price their quality control services more competitively. 

Which one is right for you will depend on the specifics of your project.