GeoJSON Contract Job Trends in Central London

GeoJSON
London > Central London

The table below provides summary statistics and contractor rates for jobs advertised in Central London requiring GeoJSON skills. It covers contract job vacancies from the 6 months leading up to 10 February 2026, with comparisons to the same periods in the previous two years.

6 months to
10 Feb 2026
Same period 2025 Same period 2024
Rank 122 - -
Rank change year-on-year - - -
Contract jobs citing GeoJSON 3 0 0
As % of all contract jobs in Central London 0.14% - -
As % of the Libraries, Frameworks & Software Standards category 0.65% - -
Number of daily rates quoted 0 0 0
Median daily rate (50th Percentile) - - -
London median daily rate £425 - -

All Software Libraries and Frameworks
Central London

GeoJSON falls under the Software Libraries and Frameworks category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring technical specification, industry standards, software libraries and framework skills in Central London.

Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 463 525 564
As % of all contract IT jobs advertised in Central London 22.31% 25.36% 21.70%
Number of daily rates quoted 319 319 399
10th Percentile £363 £411 £404
25th Percentile £436 £481 £459
Median daily rate (50th Percentile) £540 £575 £575
Median % change year-on-year -6.09% - -8.00%
75th Percentile £675 £675 £688
90th Percentile £765 £760 £800
London median daily rate £540 £575 £575
% change year-on-year -6.09% - -6.12%
Number of hourly rates quoted 3 3 1
10th Percentile £26.90 £27.67 -
25th Percentile £32.75 £31.07 £46.25
Median hourly rate £45.00 £38.50 £47.50
Median % change year-on-year +16.88% -18.95% -20.17%
75th Percentile £53.61 £41.00 £48.75
90th Percentile £57.28 £41.45 -
London median hourly rate £47.00 £52.50 £47.50
% change year-on-year -10.48% +10.53% -26.92%

GeoJSON
Job Vacancy Trend in Central London

Historical trend showing the proportion of contract IT job postings citing GeoJSON relative to all contract IT jobs advertised in Central London.

GeoJSON job vacancy trend in Central London

GeoJSON
Contract Job Locations in Central London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing GeoJSON within the Central London region over the 6 months to 10 February 2026. 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
City of London - 3 - -
GeoJSON
London

GeoJSON
Co-Occurring Skills & Capabilities in Central London 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:

Cloud Services
1 2 (66.67%) Azure
1 2 (66.67%) Azure Data Factory
2 1 (33.33%) Power Platform
Database & Business Intelligence
1 3 (100.00%) Geospatial Data
2 2 (66.67%) Spatial Data
3 1 (33.33%) Power BI
General
1 2 (66.67%) Publishing
1 2 (66.67%) Social Skills
2 1 (33.33%) Analytical Skills
Job Titles
1 2 (66.67%) Data Engineer
2 1 (33.33%) Analyst
2 1 (33.33%) Data Analyst
Libraries, Frameworks & Software Standards
1 2 (66.67%) Matplotlib
1 2 (66.67%) Pandas
1 2 (66.67%) Polars
1 2 (66.67%) scikit-learn
Miscellaneous
1 1 (33.33%) Data Structures
1 1 (33.33%) Legacy Systems
Processes & Methodologies
1 3 (100.00%) Data Transformation
2 2 (66.67%) Anomaly Detection
2 2 (66.67%) Data Cleansing
2 2 (66.67%) Data Modelling
2 2 (66.67%) Performance Tuning
3 1 (33.33%) Business Intelligence
3 1 (33.33%) Data Engineering
3 1 (33.33%) Data Governance
3 1 (33.33%) Validation
3 1 (33.33%) Visualisation
Programming Languages
1 3 (100.00%) SQL
2 2 (66.67%) Python
Qualifications
1 3 (100.00%) Security Cleared
2 2 (66.67%) BPSS Clearance
Quality Assurance & Compliance
1 3 (100.00%) Data Quality