Period
to 24 November 2017

The median annual salary for a Big Data Developer was £55,000 in advertised job vacancies in Hertfordshire during the 6 months to 24 November 2017.

The first table below provides salary benchmarking and summary statistics including a comparison to same period in the previous 2 years.

Big Data Developer
East of England > Hertfordshire
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 211 202 232
Rank change year-on-year -9 +30 -4
Permanent jobs requiring a Big Data Developer 2 10 6
As % of all permanent IT jobs advertised in Hertfordshire 0.045% 0.22% 0.11%
As % of the Job Titles category 0.047% 0.23% 0.12%
Number of salaries quoted 2 10 6
Hertfordshire median annual salary £55,000 £52,500 £42,500
Median salary % change year-on-year +4.76% +23.53% -15.00%
10th Percentile £41,750 £46,125 £37,750
90th Percentile £62,250 £58,750 £49,375
East of England median annual salary £50,000 £52,500 £50,000
% change year-on-year -4.76% +5.00% -

The following table is for comparison with the above and includes summary statistics for all permanent IT job vacancies advertised in Hertfordshire. 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.

All Permanent IT Job Vacancies
Hertfordshire
Permanent vacancies in Hertfordshire with a recognized job title 4258 4323 5217
% of permanent IT jobs with a recognized job title 96.73% 97.12% 96.77%
Number of salaries quoted 3611 3609 4295
Hertfordshire median annual salary £45,000 £47,500 £45,000
Median salary % change year-on-year -5.26% +5.56% -
10th Percentile £25,500 £25,500 £25,800
90th Percentile £68,750 £71,250 £70,000
East of England median annual salary £45,000 £45,000 £43,500
% change year-on-year - +3.45% +2.35%

Big Data Developer
Job Vacancy Trend in Hertfordshire

Job postings that featured Big Data Developer in the job title as a percentage of all IT jobs advertised in Hertfordshire.

Job vacancy trend for Big Data Developer in Hertfordshire

Big Data Developer
Salary Trend in Hertfordshire

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Big Data Developer in Hertfordshire.

Salary trend for Big Data Developer in Hertfordshire

Big Data Developer
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Big Data Developer within the Hertfordshire region over the 6 months to 24 November 2017. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
St Albans -4 1 £60,000 +9.09%
Welwyn Garden City - 1 £50,000 -
Big Data Developer
East of England

Big Data Developer Skill Set
Top 21 Co-occurring IT Skills in Hertfordshire

For the 6 months to 24 November 2017, Big Data Developer job roles required the following IT skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Hertfordshire region featuring Big Data Developer in the job title.

1 2 (100.00%) Big Data
1 2 (100.00%) Java
2 1 (50.00%) .NET
2 1 (50.00%) OO
2 1 (50.00%) Apache
2 1 (50.00%) Python
2 1 (50.00%) C#
2 1 (50.00%) C++
2 1 (50.00%) Mobile App
2 1 (50.00%) Microservices
2 1 (50.00%) Apache Spark
2 1 (50.00%) SDLC
2 1 (50.00%) Greenfield Project
2 1 (50.00%) Computer Science Degree
2 1 (50.00%) Software Engineering
2 1 (50.00%) Degree
2 1 (50.00%) Mathematics
2 1 (50.00%) Computer Science
2 1 (50.00%) Scala
2 1 (50.00%) NoSQL
2 1 (50.00%) Machine Learning

Big Data Developer Skill Set
Co-occurring IT Skills in Hertfordshire by Category

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

Application Platforms
1 1 (50.00%) Apache
1 1 (50.00%) Apache Spark
Database & Business Intelligence
1 2 (100.00%) Big Data
2 1 (50.00%) NoSQL
Libraries, Frameworks & Software Standards
1 1 (50.00%) .NET
Miscellaneous
1 1 (50.00%) Computer Science
1 1 (50.00%) Greenfield Project
1 1 (50.00%) Mobile App
Processes & Methodologies
1 1 (50.00%) Machine Learning
1 1 (50.00%) Mathematics
1 1 (50.00%) Microservices
1 1 (50.00%) OO
1 1 (50.00%) SDLC
1 1 (50.00%) Software Engineering
Programming Languages
1 2 (100.00%) Java
2 1 (50.00%) C#
2 1 (50.00%) C++
2 1 (50.00%) Python
2 1 (50.00%) Scala
Qualifications
1 1 (50.00%) Computer Science Degree
1 1 (50.00%) Degree