Principal Data Scientist Job Trends in Middlesex

Principal Data Scientist
South East > Middlesex

As of 12 July 2026, there is not enough information available from job vacancies posted within the last 6 months to determine the median Principal Data Scientist salary in Middlesex.

6 months to
12 Jul 2026
Same period 2025 Same period 2024
Rank 11 - -
Rank change year-on-year - - -
Permanent jobs requiring a Principal Data Scientist 1 0 0
As % of all permanent jobs in Middlesex 3.13% - -
As % of the Job Titles category 3.57% - -
Number of salaries quoted 0 0 0
Median annual salary (50th Percentile) - - -
South East median annual salary - - -

All Permanent IT Job Roles
Middlesex

For comparison with the information above, the following table provides summary statistics for all permanent IT job vacancies in Middlesex. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of permanent jobs in our overall sample.

Permanent vacancies in Middlesex with a recognized job title 28 234 210
% of permanent jobs with a recognized job title 87.50% 88.97% 98.13%
Number of salaries quoted 13 10 54
10th Percentile £35,350 £32,500 £30,335
25th Percentile £36,750 £33,750 £38,087
Median annual salary (50th Percentile) £57,500 £60,000 £48,500
Median % change year-on-year -4.17% +23.71% -42.94%
75th Percentile £65,000 £66,250 £68,438
90th Percentile £79,000 £68,625 £97,000
South East median annual salary £55,000 £50,000 £50,000
% change year-on-year +10.00% - -9.09%

Principal Data Scientist Skill Set
Top 21 Co-Occurring Skills & Capabilities in Middlesex

For the 6 months to 12 July 2026, Principal Data Scientist job roles required the following skills and capabilities in order of popularity. The figures indicate the absolute number of co-occurrences and as a proportion of all permanent job ads across the Middlesex region featuring Principal Data Scientist in the job title.

1 1 (100.00%) Agile
1 1 (100.00%) CI/CD
1 1 (100.00%) Code Quality
1 1 (100.00%) Collaborative Working
1 1 (100.00%) Continuous Improvement
1 1 (100.00%) Data Cleansing
1 1 (100.00%) Data Ingestion
1 1 (100.00%) Data Science
1 1 (100.00%) Decision-Making
1 1 (100.00%) Degree
1 1 (100.00%) Git
1 1 (100.00%) Machine Learning
1 1 (100.00%) Master's Degree
1 1 (100.00%) Operations Research
1 1 (100.00%) Python
1 1 (100.00%) Roadmaps
1 1 (100.00%) Software Engineering
1 1 (100.00%) Software Testing
1 1 (100.00%) Systems Thinking
1 1 (100.00%) Technical Debt
1 1 (100.00%) Test Automation

Principal Data Scientist Skill Set
Co-Occurring Skills & Capabilities in Middlesex by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Development Applications
1 1 (100.00%) Git
General
1 1 (100.00%) Inclusion and Diversity
1 1 (100.00%) Social Skills
Miscellaneous
1 1 (100.00%) Algorithms
Processes & Methodologies
1 1 (100.00%) Agile
1 1 (100.00%) CI/CD
1 1 (100.00%) Code Quality
1 1 (100.00%) Collaborative Working
1 1 (100.00%) Continuous Improvement
1 1 (100.00%) Data Cleansing
1 1 (100.00%) Data Ingestion
1 1 (100.00%) Data Science
1 1 (100.00%) Decision-Making
1 1 (100.00%) Machine Learning
1 1 (100.00%) Operations Research
1 1 (100.00%) Roadmaps
1 1 (100.00%) Software Engineering
1 1 (100.00%) Software Testing
1 1 (100.00%) Systems Thinking
1 1 (100.00%) Technical Debt
1 1 (100.00%) Test Automation
Programming Languages
1 1 (100.00%) Python
Qualifications
1 1 (100.00%) Degree
1 1 (100.00%) Master's Degree