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Data Tester Jobs in Delaware (NOW HIRING)

$16.75 - $22.25/hr

  • PTO

Supporting system testing, upgrades and continuous improvement initiatives You're Likely a Match If You have * Strong Excel skills (including VLOOKUP and confident manipulating data) * Experience ...

Data Entry Operator

Newark, DE · On-site

$17/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Data Entry Operator As the Data Entry Operator, you will complete basic data entry, scanning and ... testing, or otherwise participating in the employment selection process, please direct your ...

New

Data Domain Architect Associate

Wilmington, DE · On-site

$61.75 - $79.50/hr

  • Medical

  • Retirement

As a Data Domain Architect Associate on the CCB Finance Data & Insights Team, you will assist in ... Work closely with end-users/IT during the UAT phase of the project and perform testing to ensure ...

Data Domain Architect Associate

Wilmington, DE · On-site

$61.75 - $79.50/hr

  • Medical

  • Retirement

As a Data Domain Architect Associate on the CCB Finance Data & Insights Team, you will assist in ... Work closely with end-users/IT during the UAT phase of the project and perform testing to ensure ...

Data Domain Architect Associate

Wilmington, DE · On-site

$61.75 - $79.50/hr

  • Medical

  • Retirement

As a Data Domain Architect Associate on the CCB Finance Data & Insights Team, you will assist in ... Work closely with end-users/IT during the UAT phase of the project and perform testing to ensure ...

Lead Data Engineer | Onsite - Delaware

Wilmington, DE · On-site

$111K - $133K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Drive delivery of data change detection (CDC) and the data validation/quality testing framework. * Own "contract as code" governance: data schema management via CI/CD and Git-based data governance

Data Domain Architect Associate

Wilmington, DE · On-site

$61.75 - $79.50/hr

  • Medical

  • Retirement

As a Data Domain Architect Associate on the CCB Finance Data & Insights Team, you will assist in ... Work closely with end-users/IT during the UAT phase of the project and perform testing to ensure ...

Showing results 21-40

Data Tester information

See Delaware salary details

$10

$38

$62

How much do data tester jobs pay per hour?

As of Aug 16, 2026, the average hourly pay for data tester in Delaware is $38.39, according to ZipRecruiter salary data. Most workers in this role earn between $21.39 and $50.77 per hour, depending on experience, location, and employer.

What is a data tester?

A Data Tester is responsible for validating and ensuring the accuracy, quality, and integrity of data in databases, reports, or data-driven applications. They design and execute test cases, identify data anomalies, and work closely with data engineers and analysts to resolve issues. Their role ensures that data used for decision-making is accurate, consistent, and reliable.

What are the main challenges data testers typically face in their daily work?

Data Testers often encounter challenges related to dealing with large, complex datasets where inconsistencies or errors can be difficult to identify. They are also tasked with verifying data across multiple sources or migration systems, which requires a keen understanding of both business logic and data architecture. Close collaboration with data engineers, developers, and business analysts is common to resolve issues or clarify data requirements. Staying updated with evolving tools and methodologies is essential, so adaptability and continuous learning are important for long-term success in this role.

What are the key skills and qualifications needed to thrive in the data tester position, and why are they important?

To thrive as a Data Tester, you need a solid understanding of data validation, quality assurance processes, and proficiency in querying databases using languages like SQL, often backed by a degree in computer science or related fields. Familiarity with data testing tools such as Apache JMeter, Postman, or specific ETL testing frameworks, and certifications in software testing or data analytics are frequently required. Attention to detail, analytical thinking, and strong problem-solving skills are crucial soft skills for this role. These capabilities ensure the accuracy and reliability of data systems, directly supporting organizational decision-making and operational effectiveness.

How to be a data tester?

To become a data tester, you should develop strong analytical skills, proficiency in data analysis tools like Excel or SQL, and attention to detail. Gaining experience with data validation, testing methodologies, and understanding data quality standards can improve your effectiveness in the role. Certifications in data analysis or testing can also enhance your qualifications.

What are popular job titles related to Data Tester jobs in Delaware?

For Data Tester jobs in Delaware, the most frequently searched job titles are:

What job categories do people searching Data Tester jobs in Delaware look for?

The top searched job categories for Data Tester jobs in Delaware are:

Infographic showing various Data Tester job openings in Delaware as of August 2026, with employment types broken down into 39% Full Time, and 61% Contract. Highlights an 100% In-person job distribution, with an average salary of $79,860 per year, or $38.4 per hour.

Data Domain Architect [Multiple Positions Available]

JP Morgan Chase

Wilmington, DE • On-site

$61.75 - $79.50/hr

Full-time

Medical, Retirement

Posted 19 days ago


JPMorgan Chase & Co. rating

8.0

Company rating: 8.0 out of 10

Based on 495 frontline employees who took The Breakroom Quiz

71st of 171 rated banks


Job description

DESCRIPTION:

Duties: Optimize features and AI capabilities for the Chase Digital Assistant and other conversational AI products. Drive NLU model training and optimization for Chase Digital Assistant (CDA), advancing NLU capabilities and conversational AI understanding for improving digital containment within CDA. Manage intent and entity taxonomy development and align cross-functional teams across Product, Engineering, and Analytics. Optimize training data sets to improve data quality, NLU model F1 score, and intent recognition rate for CDA. Partner with Annotation Lead to review and optimize training data and enable meaningful and measurable outcomes. Design extended analytic frameworks and semantic representations to support NLU models. Conduct conversational analysis to identify systemic improvement opportunities and inform product enhancements. Identify design gaps and systemic improvement opportunities within conversation flows for customer journey optimization and improved completion rate within CDA. Work with Product Managers, ML Engineers, and Analytics by providing linguistic expertise and direction for new NLP capabilities including dialogue, ambiguity, and inference. Identify new testing opportunities and conversational strategies. Develop and maintain documentation on Natural Language Understanding processes, guidelines, and best practices. Guide linguists and conversation analysts to scale annotation initiatives, strengthen evaluation processes, and drive conversational AI excellence.

QUALIFICATIONS:

Minimum education and experience required: PhD in Computational Linguistics, Linguistics, or related field of study plus 3 years of experience in the job offered or as Data Domain Architect Lead, Computational Linguist, NLU Specialist, Post Doctoral Research Fellow, Siri Lexical Linguist, Linguist, or related occupation.

Skills Required: This position requires two (2) years of experience with the following: designing and optimizing Natural Language Understanding (NLU) and AI-powered systems throughout the product lifecycle, including model training, testing, and evaluation using advanced machine learning and computational linguistics techniques; building, testing, and refining language models for AI applications; conducting error analysis and quality assurance on datasets to improve model outputs and system reliability; creating and maintain taxonomies, and lexical resources to support intent and entity recognition; processing and analyzing raw text and datasets to support model development and continuous improvement; training, testing, and evaluating model performance using established metrics and methodologies; serving as a subject matter expert in linguistics and computational linguistics, resolving intent and entity overlaps within taxonomies; reviewing and correcting annotation data, performing error analysis, and addressing bugs by collaborating with annotation teams; supporting end-to-end AI product development and deployment utilizing tools and platforms including Notepad++, SpaCy, Python, NLTK, Regex, Bash, Git, and language modeling frameworks; tracking project progress and ensuring alignment across cross-functional teams using project management tools including Jira and SharePoint.

Job Location: 301 N Walnut Street, Wilmington, DE 19801.

Full-Time.

Chase is a leading financial services firm, helping nearly half of America's households and small businesses achieve their financial goals through a broad range of financial products. Our mission is to create engaged, lifelong relationships and put our customers at the heart of everything we do. We also help small businesses, nonprofits and cities grow, delivering solutions to solve all their financial needs. 

We offer a competitive total rewards package including base salary determined based on the role, experience, skill set and location. Those in eligible roles may receive commission-based pay and/or discretionary incentive compensation, paid in the form of cash and/or forfeitable equity, awarded in recognition of individual achievements and contributions.  We also offer a range of benefits and programs to meet employee needs, based on eligibility. These benefits include comprehensive health care coverage, on-site health and wellness centers, a retirement savings plan, backup childcare, tuition reimbursement, mental health support, financial coaching and more. Additional details about total compensation and benefits will be provided during the hiring process. 

We recognize that our people are our strength and the diverse talents they bring to our global workforce are directly linked to our success. We are an equal opportunity employer and place a high value on diversity and inclusion at our company. We do not discriminate on the basis of any protected attribute, including race, religion, color, national origin, gender, sexual orientation, gender identity, gender expression, age, marital or veteran status, pregnancy or disability, or any other basis protected under applicable law. We also make reasonable accommodations for applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs. Visit our FAQs for more information about requesting an accommodation.

Equal Opportunity Employer/Disability/Veterans

Our Consumer & Community Banking division serves our Chase customers through a range of financial services, including personal banking, credit cards, mortgages, auto financing, investment advice, small business loans and payment processing. We're proud to lead the U.S. in credit card sales and deposit growth and have the most-used digital solutions - all while ranking first in customer satisfaction.

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