Data Quality Contracts in Hertfordshire

Data Quality
East of England > Hertfordshire

The table below provides summary statistics for contract job vacancies advertised in Hertfordshire requiring Data Quality skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited Data Quality over the 6 months leading up to 1 May 2025, comparing them to the same period in the previous two years.

6 months to
1 May 2025
Same period 2024 Same period 2023
Rank 17 67 67
Rank change year-on-year +50 0 -3
Contract jobs citing Data Quality 29 6 7
As % of all contract jobs advertised in Hertfordshire 9.03% 0.72% 0.86%
As % of the Quality Assurance & Compliance category 45.31% 10.91% 6.67%
Number of daily rates quoted 22 2 4
10th Percentile £409 £418 £513
25th Percentile £538 £427 £569
Median daily rate (50th Percentile) £650 £456 £625
Median % change year-on-year +42.47% -27.00% +8.70%
75th Percentile £675 £489 £663
90th Percentile - £499 £685
East of England median daily rate £600 £500 £500
% change year-on-year +20.00% - -9.09%
Number of hourly rates quoted 3 2 0
Median hourly rate £31.64 £24.00 -
Median % change year-on-year +31.83% - -
East of England median hourly rate £31.64 £15.79 £31.57
% change year-on-year +100.38% -49.98% +294.56%

All Quality Assurance and Compliance Skills
Hertfordshire

Data Quality falls under the Quality Assurance and Compliance category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring quality assurance or compliance skills in Hertfordshire.

Contract vacancies with a requirement for quality assurance or compliance skills 64 55 105
As % of all contract IT jobs advertised in Hertfordshire 19.94% 6.59% 12.95%
Number of daily rates quoted 35 39 66
10th Percentile £410 £175 £210
25th Percentile £479 £281 £350
Median daily rate (50th Percentile) £600 £375 £518
Median % change year-on-year +60.00% -27.64% +27.96%
75th Percentile £675 £494 £722
90th Percentile - £602 £769
East of England median daily rate £550 £410 £450
% change year-on-year +34.15% -8.89% +5.14%
Number of hourly rates quoted 10 7 8
10th Percentile £17.58 £14.35 £12.67
25th Percentile £31.64 £14.41 £17.19
Median hourly rate £46.82 £15.40 £63.75
Median % change year-on-year +204.03% -75.84% +41.04%
75th Percentile £73.44 £24.00 £74.38
90th Percentile £75.00 £29.30 £81.44
East of England median hourly rate £33.32 £15.79 £17.50
% change year-on-year +111.02% -9.77% -36.36%

Data Quality
Job Vacancy Trend in Hertfordshire

Job postings citing Data Quality as a proportion of all IT jobs advertised in Hertfordshire.

Job vacancy trend for Data Quality in Hertfordshire

Data Quality
Contractor Daily Rate Trend in Hertfordshire

3-month moving average daily rate quoted in jobs citing Data Quality in Hertfordshire.

Daily rate trend for Data Quality in Hertfordshire

Data Quality
Daily Rate Histogram in Hertfordshire

Daily rate distribution for jobs citing Data Quality in Hertfordshire over the 6 months to 1 May 2025.

Daily rate histogram for Data Quality in Hertfordshire

Data Quality
Contractor Hourly Rate Trend in Hertfordshire

3-month moving average hourly rates quoted in jobs citing Data Quality in Hertfordshire.

Hourly rate trend for Data Quality in Hertfordshire

Data Quality
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Data Quality within the Hertfordshire region over the 6 months to 1 May 2025. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Jobs
Stevenage +33 5 - - 14
Welwyn Garden City - 3 £400 -
Hatfield - 3 £607 -
Data Quality
East of England

Data Quality
Co-occurring Skills and Capabilities in Hertfordshire by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 14 (48.28%) Apache Spark
2 3 (10.34%) Confluence
2 3 (10.34%) SharePoint
Applications
1 6 (20.69%) Microsoft Excel
2 3 (10.34%) Microsoft PowerPoint
Cloud Services
1 14 (48.28%) AWS
1 14 (48.28%) Azure
2 3 (10.34%) Power Platform
3 2 (6.90%) GCP
4 1 (3.45%) GitHub
4 1 (3.45%) SaaS
Communications & Networking
1 1 (3.45%) Wireless
Database & Business Intelligence
1 19 (65.52%) Tableau
2 15 (51.72%) Big Data
3 14 (48.28%) Hadoop
4 3 (10.34%) Power BI
5 1 (3.45%) Data Lake
5 1 (3.45%) Data Warehouse
5 1 (3.45%) Metadata
5 1 (3.45%) NoSQL
5 1 (3.45%) RDBMS
5 1 (3.45%) Relational Database
Development Applications
1 3 (10.34%) JIRA
2 1 (3.45%) ER Studio
2 1 (3.45%) ERwin
2 1 (3.45%) Git
General
1 15 (51.72%) Analytical Skills
2 6 (20.69%) Social Skills
3 4 (13.79%) Telecoms
4 2 (6.90%) Retail
5 1 (3.45%) Influencing Skills
5 1 (3.45%) Pharmaceutical
Job Titles
1 19 (65.52%) Developer
2 14 (48.28%) Data Science Developer
3 10 (34.48%) Senior
3 10 (34.48%) Senior Developer
4 7 (24.14%) Artificial Intelligence Developer
5 6 (20.69%) Analyst
6 3 (10.34%) Data Analyst
6 3 (10.34%) Risk Analyst
7 2 (6.90%) Architect
7 2 (6.90%) Consultant
7 2 (6.90%) Gen AI Developer
8 1 (3.45%) Data Architect
8 1 (3.45%) Data Modeller
8 1 (3.45%) Excel Analyst
8 1 (3.45%) Facilities Analyst
8 1 (3.45%) Principal Architect
8 1 (3.45%) Principal Data Architect
8 1 (3.45%) SQL Analyst
8 1 (3.45%) SQL Data Analyst
8 1 (3.45%) Technical Consultant
Libraries, Frameworks & Software Standards
1 16 (55.17%) Matplotlib
1 16 (55.17%) NumPy
1 16 (55.17%) Pandas
1 16 (55.17%) PyTorch
1 16 (55.17%) scikit-learn
1 16 (55.17%) Seaborn
1 16 (55.17%) TensorFlow
Miscellaneous
1 19 (65.52%) Algorithms
2 3 (10.34%) Onboarding
3 1 (3.45%) Data Fabric
Processes & Methodologies
1 22 (75.86%) Visualisation
2 19 (65.52%) Artificial Intelligence
2 19 (65.52%) Data Science
2 19 (65.52%) Generative AI
2 19 (65.52%) LLM
2 19 (65.52%) Machine Learning
3 18 (62.07%) Data Analysis
4 17 (58.62%) Analytics
4 17 (58.62%) Reinforcement Learning
5 16 (55.17%) Data Munging
5 16 (55.17%) Decision-Making
6 15 (51.72%) Feature Engineering
7 14 (48.28%) Data Analytics
7 14 (48.28%) Predictive Analytics
7 14 (48.28%) Statistical Modelling
7 14 (48.28%) Time Series Forecasting
8 12 (41.38%) Computer Science
9 7 (24.14%) Stakeholder Management
10 6 (20.69%) Data Modelling
10 6 (20.69%) Data Visualisation
Programming Languages
1 16 (55.17%) Python
1 16 (55.17%) R
2 3 (10.34%) SQL
2 3 (10.34%) VBA
Qualifications
1 12 (41.38%) Degree
1 12 (41.38%) Master's Degree
1 12 (41.38%) PhD
2 2 (6.90%) Security Cleared
3 1 (3.45%) SC Cleared
Vendors
1 1 (3.45%) Cognizant
1 1 (3.45%) OpenAI