The table below provides summary statistics and salary benchmarking for jobs advertised in Chelmsford requiring Data Science skills. It covers permanent job vacancies from the 6 months leading up to 23 October 2025, with comparisons to the same periods in the previous two years.
Data Science falls under the Processes and Methodologies category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring process or methodology skills in Chelmsford.
Permanent vacancies with a requirement for process or methodology skills
119
57
86
As % of all permanent jobs advertised in Chelmsford
89.47%
55.34%
81.13%
Number of salaries quoted
97
37
58
10th Percentile
£27,500
£30,000
£23,500
25th Percentile
£31,250
£45,000
£28,438
Median annual salary (50th Percentile)
£47,500
£60,000
£45,000
Median % change year-on-year
-20.83%
+33.33%
-5.26%
75th Percentile
£65,000
£65,500
£65,188
90th Percentile
£79,000
£70,000
£71,498
Essex median annual salary
£40,408
£55,000
£48,800
% change year-on-year
-26.53%
+12.70%
+2.74%
Data Science Job Vacancy Trend in Chelmsford
Historical trend showing the proportion of permanent IT job postings citing Data Science relative to all permanent IT jobs advertised in Chelmsford.
Data Science Salary Trend in Chelmsford
Salary distribution trend for jobs in Chelmsford citing Data Science.
Data Science Top 17 Co-Occurring Skills & Capabilities in Chelmsford
For the 6 months to 23 October 2025, job vacancies citing Data Science also mentioned 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 Chelmsford region with a requirement for Data Science.
Data Science Co-Occurring Skills & Capabilities in Chelmsford 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: