GeoJSON Contract Job Trends in the City of London

GeoJSON
Central London > City of London

The table below provides summary statistics and contractor rates for jobs advertised in the City of 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 118 - -
Rank change year-on-year - - -
Contract jobs citing GeoJSON 3 0 0
As % of all contract jobs in the City of London 0.16% - -
As % of the Libraries, Frameworks & Software Standards category 0.70% - -
Number of daily rates quoted 0 0 0
Median daily rate (50th Percentile) - - -
Central London median daily rate - - -

All Software Libraries and Frameworks
City of 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 the City of London.

Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 431 480 530
As % of all contract IT jobs advertised in the City of London 22.70% 26.43% 22.15%
Number of daily rates quoted 296 287 374
10th Percentile £362 £413 £400
25th Percentile £435 £479 £463
Median daily rate (50th Percentile) £540 £575 £575
Median % change year-on-year -6.09% - -8.00%
75th Percentile £675 £675 £693
90th Percentile £775 £764 £800
Central London median daily rate £540 £575 £575
% change year-on-year -6.09% - -8.00%
Number of hourly rates quoted 2 1 1
10th Percentile £43.83 - -
25th Percentile £45.83 £36.75 £46.25
Median hourly rate £51.38 £38.50 £47.50
Median % change year-on-year +33.46% -18.95% -20.17%
75th Percentile £56.67 £40.25 £48.75
90th Percentile £58.50 - -
Central London median hourly rate £45.00 £38.50 £47.50
% change year-on-year +16.88% -18.95% -20.17%

GeoJSON
Co-Occurring Skills & Capabilities in the City of 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