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We need an experienced QA/Data Quality Specialist to ensure the accuracy, reliability, and consistency of our data systems and outputs. You'll be responsible for verifying extracted and processed data, developing validation rules, and implementing quality checks to ensure our system outputs meet defined standards including NCSI compliance. Requirements: • Proven experience in automated testing and QA processes • Strong knowledge of data validation techniques and methodologies • Experience with QA best practices and testing frameworks • High attention to detail and analytical thinking skills • Ability to design and execute both automated and manual test cases • Experience identifying data issues and collaborating with development teams Preferred Skills: • Experience with data pipelines or ETL systems • Proficiency in SQL and data analysis tools • Understanding of software development lifecycle (SDLC) • Experience monitoring data quality metrics Deliverables: • Data validation rules and quality check implementations • Automated and manual test case documentation • Bug reports and issue tracking • Data quality metrics monitoring and reporting • Process improvement recommendations This is an hourly position where you'll work closely with our development team to maintain high data quality standards. The role involves both technical validation work and strategic quality assurance planning.
Project ID: 40392947
27 proposals
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Active 22 days ago
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27 freelancers are bidding on average $8 USD/hour for this job

Hello, I can support as a QA/Data Quality Specialist, focusing on accuracy, consistency, and reliable validation across your data systems. Approach: • Define data validation rules (schema checks, range checks, null handling, referential integrity) • Validate ETL/data pipelines using SQL-based assertions and scenario testing • Combine automated + manual testing to catch edge cases and data drift • Monitor quality metrics (completeness, accuracy, consistency, timeliness) What I’ll deliver: • Structured validation rules and quality checks • Test cases (automated + manual) with clear pass/fail criteria • Detailed bug reports with reproducible data scenarios • Ongoing data quality dashboards and reports • Recommendations to improve pipeline reliability and governance Tools & Workflow: • API/data validation via Postman • Defect tracking and collaboration in Jira • SQL for backend validation and data integrity checks Strengths: • Strong analytical mindset with attention to detail • Experience in QA processes, data validation, and workflow testing • Comfortable working closely with dev teams in Agile environments Available to start immediately and contribute to maintaining high data quality standards.
$5 USD in 40 days
4.8
4.8

Hi, This fits well with my experience. I have 10+ years in QA, including data validation, automation, and quality checks for complex systems. I can: * Define data validation rules and quality checks * Perform manual + automated testing * Validate data using SQL and analysis tools * Track issues and provide clear reports * Suggest process improvements and quality metrics I’m detail-focused and comfortable working closely with dev teams to maintain high data accuracy and consistency. Ready to start. Thanks, Vimal Raj
$6 USD in 40 days
4.8
4.8

With your project's emphasis on establishing accurate and reliable data systems, my skillset as an experienced Full Stack Developer and Data Specialist makes me a prime candidate for the role. Having proficiently worked with data pipelines, automated testing frameworks, and SQL for over a decade, I am well-equipped to ensure the quality and consistency of your data outputs. My expertise spans across the software development lifecycle (SDLC) and I have an astute attention to detail which has not only enabled me to identify critical data issues accurately but also make clear bug reports, implement necessary validation rules, and design effective manual plus automated test cases that meet defined standards promptly. Moreover, as a data specialist, I excel in monitoring quality metrics and utilizing insights gleaned from analyzing datasets' past performance to enhance future processes. My track record illustrates my commitment to ensuring data quality standards align with NCSI compliance. Partnering with me guarantees you'll get not only technically proficient work but also a strategic QA plan driven by your specific requirements. Let's transform your project into a success together!
$8 USD in 40 days
4.3
4.3

Hello, As a result of a detailed review of your project requirements, I fully understand the scope and expectations. I have experience working on data QA, validation systems, and automated testing for data-driven platforms, and I’m available to start right now. I bring deep expertise in Software Testing, Data Analysis, API Testing, Data Visualization, Data Science, and Database Administration. One of the key challenges in this role is ensuring data integrity across pipelines while detecting inconsistencies early. I would approach this by defining validation rules at each stage, implementing automated checks for schema and data consistency, and building clear reporting for quality metrics aligned with your standards. I have a couple of quick answers and questions. • I can design and execute both automated and manual test cases with structured documentation and bug tracking. • I have experience validating API outputs and monitoring data quality across systems. • Do you currently use any specific QA tools or frameworks, or should I propose a setup tailored to your pipeline? I would be glad to discuss further details and collaborate closely with your team. Looking forward to hearing from you. Best regards, Carlos.
$5 USD in 40 days
3.7
3.7

I have solid experience in QA and data quality assurance, focusing on automated and manual testing to ensure accurate and reliable system outputs. I can design and implement strong data validation rules and quality checks aligned with compliance requirements like NCSI. I am skilled in SQL, data analysis, and identifying issues in data pipelines and ETL processes. I follow best QA practices across SDLC and collaborate effectively with developers to resolve defects quickly. I can prepare detailed test cases, bug reports, and maintain data quality metrics. I am ready to contribute to maintaining high standards of data accuracy and system reliability.
$5 USD in 40 days
3.1
3.1

Hi, I can help with QA and data quality checks for your system. I have experience as a manual tester and have worked on testing cross-platform apps like a reminder app and a screen time app, where I focused on validating data, checking flows, and finding inconsistencies. I can create and run test cases, verify processed data, and report issues clearly while working closely with your dev team. I pay strong attention to detail and can help ensure your outputs meet quality standards and stay consistent.
$5 USD in 40 days
2.8
2.8

I’ll implement robust data validation frameworks with automated and manual QA processes, ensuring accurate, consistent outputs aligned with NCSI compliance and best practices across your data pipelines. I’ll also collaborate closely with your dev team to track issues, optimize quality metrics, and continuously improve system reliability. Could you share which tools or frameworks your current data pipeline and QA processes are built on?
$2 USD in 10 days
1.7
1.7

As a seasoned professional in the field of software development and quality engineering, I understand the crucial role data quality plays in any organization. My extensive experience, including over nine years at Tata Consultancy Services (TCS), has honed my skills in developing scalable applications while ensuring uncompromising product quality through automation and end-to-end validation. My expertise aligns perfectly with what you require for this project - I have a deep understanding of implementing automated testing and QA processes, advanced knowledge of data validation techniques, and a knack for identifying and resolving data issues. Additionally, I'm proficient in SQL and data analysis tools necessary for effective data quality monitoring. My broad experience with the software development lifecycle (SDLC) will also enable me to collaborate seamlessly with your development team. Moreover, having been involved in several projects involving ETL systems and API testing, I'm not only aware of but comfortable with the complexity that may arise during data validation and quality monitoring. As your QA/Data Quality Specialist, I don't simply provide reliable validations but also offer strategic quality assurance planning.Cross-pollinating my skills from both the technical validation work and strategic quality assurance planning,
$2 USD in 40 days
0.8
0.8

Hi there, I read your requirements carefully, and I can support your team as a QA/Data Quality Specialist to validate extracted and processed data, define quality rules, and help ensure reliable system outputs. The best approach is to combine manual QA review with automated validation checks, SQL-based data verification, test case documentation, and clear issue reporting. This will help catch inconsistencies early, improve output accuracy, and give your development team actionable feedback. I have solid experience with QA workflows, data validation, testing processes, database checks, and analytical review. My focus will be on accuracy, consistency, and building repeatable validation steps that improve data quality over time. What I can help with: • Data validation rules and quality checks • Manual and automated test case design • SQL-based data verification • API and output validation • Bug reports and issue tracking • Data quality metrics reporting • Process improvement recommendations Cost: $6/hr || Timeline: Ready to start immediately Best regards Oluwatobi Okedairo
$6 USD in 40 days
0.4
0.4

I am a seasoned Database Administrator with over 10 years of experience, well-equipped to handle the complexities of your QA Data Quality Specialist project. I have carefully reviewed your requirements and am confident in my ability to deliver exceptional results. Let's connect in chat to discuss how I can contribute to ensuring the accuracy, reliability, and consistency of your data systems. Looking forward to further discussing your project needs and how I can assist in achieving your goals.
$8 USD in 40 days
0.0
0.0

Detail-oriented and reliable professional with experience in healthcare support, logistics, property management, and quality assurance. Proven ability to manage multiple responsibilities, deliver excellent customer service, and maintain accurate records. Strong organizational, communication, and problem-solving skills.
$7 USD in 40 days
0.0
0.0

AI & ML JR. TELECOM DATA ANALYST Completed Data Curation Using Python From National Institute Of Electronics And Information Technology, Calicut
$2 USD in 40 days
0.0
0.0

Hi! I believe I’m a strong fit for this role because I combine a solid foundation in Data Analysis with a detail-oriented QA mindset. I’ve worked extensively with Excel and data handling, where accuracy and validation are critical, and I naturally focus on spotting inconsistencies and improving data quality. I’m comfortable working with structured data, applying validation rules, and analyzing outputs to ensure they meet clear standards. My background in accounting also strengthens my attention to detail and logical thinking when dealing with numbers and reports. Beyond technical skills, I’m highly organized, committed to delivering clean and reliable results, and I communicate clearly when identifying issues or suggesting improvements. I enjoy working closely with teams to refine processes and ensure everything runs smoothly. I’m eager to contribute to maintaining high data quality standards and continuously improving systems.
$5 USD in 40 days
0.0
0.0

Hi, I have read your project requirements carefully and I can help you ensure your application is bug-free and user-friendly. I am a QA Software Tester with experience in manual testing, including functional testing, UI/UX testing, and regression testing. I can identify bugs, create detailed test cases, and provide clear reports using tools like Jira. I will: * Test your website/app thoroughly * Report bugs with screenshots and steps to reproduce * Ensure smooth performance before release I am ready to start immediately and can also provide a quick sample test if required. Looking forward to working with you. Best regards, Akshay Rajendra Dhengre
$5 USD in 40 days
0.0
0.0

I’m ready to support your team as a QA/Data Quality Specialist by ensuring the accuracy, reliability, and consistency of your data systems and outputs. With proven experience in automated testing, data validation, and QA best practices, I can independently verify extracted and processed data, develop robust validation rules, and implement quality checks aligned with your standards, including NCSI compliance. I bring strong analytical skills, high attention to detail, and the ability to design and execute both automated and manual test cases. I’m experienced in identifying data issues, collaborating with development teams, and improving overall data quality processes. Where applicable, I leverage SQL, data analysis tools, and familiarity with ETL pipelines to validate data flows and monitor quality metrics. Deliverables will include detailed bug reports, test documentation, data quality checks, and clear reporting. I’m available immediately and prepared to contribute both technical validation and strategic QA planning to maintain exceptional data quality.
$7 USD in 40 days
0.0
0.0

Hello, With a strong foundation in data collection and validation, I can assure you of my ability to deliver on your project requirements. My extensive experience includes designing and executing automated as well as manual test cases, facilitating high-quality data outputs by ensuring the identification and resolution of data issues. I have also worked effectively with development teams in the past, allowing me to hit the ground running in a collaborative environment. Furthermore, my skills extend beyond just data validation. As an experienced developer, I possess a solid understanding of the software development lifecycle (SDLC). Consequently, my contributions go beyond current needs; I always consider future expansion possibilities and aim to make systems manageable even as they scale. This approach aligns perfectly with your need for strategic quality assurance planning. Finally and most importantly, I bring an unwavering commitment to reliability. Like your expectation to maintain high data quality standards, my focus on stability and dependability will ensure that the solutions I design hold up under real conditions. With my skill set focused on meeting every aspect of your project's needs, let's connect soon to discuss how we can maximize your data system's potential together! Thanks!
$50 USD in 23 days
0.0
0.0

Hey, Data quality issues are silent killers —> I find them before they cause damage. Here's what I'll deliver: ✅ Validation rules and quality checks — built around your system outputs and NCSI compliance ✅ Automated + manual test cases — fully documented ✅ ETL/pipeline validation — data verified at every stage ✅ SQL-based data analysis — anomalies caught early ✅ Bug reports and issue tracking — clear, actionable, prioritized ✅ Quality metrics dashboard — ongoing monitoring and reporting ✅ Process improvement recommendations — not just fixes, but prevention I work closely with dev teams and communicate clearly so nothing falls through the cracks. Ready to start.
$13.93 USD in 40 days
0.0
0.0

With my extensive experience, including 5 years as a QA lead where I developed automated testing solutions, and a strong background in data analysis and data visualization, I am uniquely suited to meet your needs. Specifically, my work on data pipelines and familiarity with ETL systems will be invaluable in ensuring the accuracy and correctness of your data outputs. My proficiency with SQL and data analysis tools will also facilitate effective monitoring of data quality metrics, allowing me to proactively identify issues and help you mitigate them promptly. Additionally, my expertise in Python, Pandas, and Scikit-learn uniquely position me to analyze large datasets efficiently while maintaining high standards of accuracy. This enables me to not only design and execute rigorous test cases but also craft insightful bug reports for swift issue tracking. Finally, driven by my passion for process improvement, I can promise not just an efficient execution of tasks outlined but a continuous search for ways to enhance the quality assurance processes you presently have in place. In hiring me you gain not just another QA specialist but a partner committed to ensuring robust systems that consistently deliver accurate, reliable data.
$5 USD in 40 days
0.0
0.0

Hello, I have 4.7+ years of experience in ETL and data quality projects, working on enterprise data systems where accuracy, consistency, and validation were critical requirements. I have hands-on experience designing rule-based data quality checks, validating processed data, identifying mismatches, and improving reliability of downstream outputs. I have also worked with SQL-based validations, reconciliation processes, and issue analysis in ETL environments. I can help your team with: * Creating data validation rules and quality checks * Verifying extracted and processed data accuracy * Identifying defects and documenting issues clearly * Supporting automated and manual test scenarios * Monitoring data quality metrics and recommending improvements * Collaborating with developers to resolve root causes My focus is always on delivering reliable, clean, and trusted data outputs. I am available to start immediately and can contribute consistently. Looking forward to working with you. Thanks, Vivek
$5 USD in 25 days
0.0
0.0

Hello, I’m interested in your QA/Data Quality Specialist role and believe my background in data analysis and quality validation aligns well with your requirements. I have hands-on experience working with data using SQL, Python (Pandas, NumPy), and visualization tools. I have worked on projects involving data cleaning, validation, and analysis, where ensuring accuracy and consistency was critical. I am comfortable designing validation rules, identifying anomalies, and performing both manual and automated testing. For your project, I can: Define and implement robust data validation rules Develop SQL/Python-based automated quality checks Create detailed test cases (manual and automated) Identify, document, and track data issues effectively Monitor data quality metrics and provide actionable insights
$5 USD in 40 days
0.0
0.0

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