JSON Contract Job Trends in Hounslow

JSON
West London > Hounslow

The table below provides summary statistics and contractor rates for jobs advertised in Hounslow requiring JSON skills. It covers vacancies from the 6 months leading up to 21 September 2025, with comparisons to the same periods in the previous two years.

6 months to
21 Sep 2025
Same period 2024 Same period 2023
Rank 12 12 22
Rank change year-on-year 0 +10 +15
Contract jobs citing JSON 5 12 2
As % of all contract jobs advertised in Hounslow 7.69% 10.91% 1.64%
As % of the Libraries, Frameworks & Software Standards category 29.41% 30.00% 5.71%
Number of daily rates quoted 5 10 2
10th Percentile - £413 £98
25th Percentile £350 £450 £161
Median daily rate (50th Percentile) £365 £495 £268
Median % change year-on-year -26.26% +85.05% -
75th Percentile £373 £498 £374
90th Percentile £377 £513 £438
West London median daily rate £365 £495 £475
% change year-on-year -26.26% +4.21% +5.56%

All Software Libraries and Frameworks
Hounslow

JSON 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 Hounslow.

Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 17 40 35
As % of all contract IT jobs advertised in Hounslow 26.15% 36.36% 28.69%
Number of daily rates quoted 14 24 20
10th Percentile £350 £286 £55
25th Percentile £358 £345 £350
Median daily rate (50th Percentile) £390 £475 £515
Median % change year-on-year -17.89% -7.77% -10.43%
75th Percentile £509 £498 £612
90th Percentile £538 £499 £670
West London median daily rate £475 £500 £550
% change year-on-year -5.00% -9.09% -3.08%
Number of hourly rates quoted 1 2 5
10th Percentile - £40.13 -
25th Percentile - £45.94 £72.00
Median hourly rate £55.00 £56.25 £75.00
Median % change year-on-year -2.22% -25.00% +150.00%
75th Percentile - £65.94 £90.00
90th Percentile - £71.38 -
West London median hourly rate £55.00 £30.65 £90.00
% change year-on-year +79.45% -65.94% +166.67%

JSON
Job Vacancy Trend in Hounslow

Job postings citing JSON as a proportion of all IT jobs advertised in Hounslow.

Job vacancy trend for JSON in Hounslow

JSON
Daily Rate Trend in Hounslow

Contractor daily rate distribution trend for jobs in Hounslow citing JSON.

Contractor daily rate distribution trend for jobs in Hounslow citing JSON

JSON
Co-occurring Skills and Capabilities in Hounslow by Category

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

Development Applications
1 5 (100.00%) Git
Job Titles
1 5 (100.00%) C++ Developer
1 5 (100.00%) Developer
2 3 (60.00%) Angular Developer
2 3 (60.00%) C++ Software Developer
2 3 (60.00%) Full-Stack Developer
2 3 (60.00%) Software Developer
Libraries, Frameworks & Software Standards
1 5 (100.00%) Angular 2
1 5 (100.00%) AngularJS
1 5 (100.00%) CSS
1 5 (100.00%) HTML
1 5 (100.00%) REST
2 2 (40.00%) Web Services
Miscellaneous
1 5 (100.00%) Product Ownership
2 2 (40.00%) Legacy Code
Processes & Methodologies
1 5 (100.00%) Agile
1 5 (100.00%) DevOps
1 5 (100.00%) Full-Stack Development
1 5 (100.00%) Kanban
1 5 (100.00%) Memory Management
1 5 (100.00%) OOP
1 5 (100.00%) Scrum
1 5 (100.00%) Technical Debt
2 3 (60.00%) Clean Code
3 2 (40.00%) Computer Science
3 2 (40.00%) OO
3 2 (40.00%) Problem-Solving
3 2 (40.00%) Secure Coding
Programming Languages
1 5 (100.00%) C++
1 5 (100.00%) JavaScript
Qualifications
1 2 (40.00%) Computer Science Degree
1 2 (40.00%) Degree
1 2 (40.00%) Master's Degree
Quality Assurance & Compliance
1 5 (100.00%) QA