Period
to 22 September 2020

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Performance Optimisation skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Performance Optimisation over the 6 months to 22 September 2020 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Performance Optimisation
Central London > City of London
6 months to
22 Sep 2020
Same period 2019 Same period 2018
Rank 117 211 229
Rank change year-on-year +94 +18 -23
Contract jobs citing Performance Optimisation 3 15 28
As % of all contract jobs advertised in the City of London 0.17% 0.24% 0.40%
As % of the Processes & Methodologies category 0.19% 0.27% 0.46%
Number of daily rates quoted 3 12 27
Median daily rate £550 £663 £675
Median daily rate % change year-on-year -16.98% -1.85% +28.57%
10th Percentile £510 £501 £478
90th Percentile £575 £700 £775
Central London median daily rate £550 £663 £660
% change year-on-year -16.98% +0.38% +28.78%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
Central London median hourly rate - - -

Performance Optimisation is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for process or methodology skills.

All Process and Methodology Skills
City of London
Contract vacancies with a requirement for process or methodology skills 1,567 5,556 6,044
As % of all contract IT jobs advertised in the City of London 88.13% 90.11% 87.23%
Number of daily rates quoted 1,103 4,347 4,810
Median daily rate £513 £525 £500
Median daily rate % change year-on-year -2.38% +5.00% -
10th Percentile £316 £339 £327
90th Percentile £675 £675 £682
Central London median daily rate £510 £515 £500
% change year-on-year -0.97% +3.00% -
Number of hourly rates quoted 33 70 102
Median hourly rate £35.00 £18.33 £18.70
Median hourly rate % change year-on-year +90.94% -1.98% -
10th Percentile £14.60 £11.25 £13.02
90th Percentile £51.55 £53.75 £32.25
Median hourly rate £34.25 £19.48 £18.70
% change year-on-year +75.80% +4.18% -

Performance Optimisation
Job Vacancy Trend in the City of London

Job postings citing Performance Optimisation as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for Performance Optimisation in the City of London

Performance Optimisation
Contractor Daily Rate Trend in the City of London

3-month moving average daily rate quoted in jobs citing Performance Optimisation in the City of London.

Daily rate trend for Performance Optimisation in the City of London

For the 6 months to 22 September 2020, IT contractor jobs citing Performance Optimisation also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the City of London region with a requirement for Performance Optimisation.

1 3 (100.00%) Microservices
2 2 (66.67%) Django
2 2 (66.67%) Continuous Integration
2 2 (66.67%) API Development
2 2 (66.67%) Codeship
2 2 (66.67%) PHP
2 2 (66.67%) Python
2 2 (66.67%) Agile Software Development
2 2 (66.67%) TDD
2 2 (66.67%) REST
3 1 (33.33%) Low Latency
3 1 (33.33%) Docker
3 1 (33.33%) Google
3 1 (33.33%) SOA
3 1 (33.33%) Java
3 1 (33.33%) JavaScript
3 1 (33.33%) Law
3 1 (33.33%) PostgreSQL
3 1 (33.33%) Java 8
3 1 (33.33%) Vert.x
3 1 (33.33%) Azure
3 1 (33.33%) GCP
3 1 (33.33%) Kubernetes

Performance Optimisation
Co-occurring IT Skills in the City of London 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:

Cloud Services
1 1 (33.33%) Azure
1 1 (33.33%) GCP
Database & Business Intelligence
1 1 (33.33%) PostgreSQL
Development Applications
1 2 (66.67%) Codeship
General
1 1 (33.33%) Law
Job Titles
1 3 (100.00%) Developer
2 2 (66.67%) Python Developer
3 1 (33.33%) Django Developer
3 1 (33.33%) Java Developer
3 1 (33.33%) Python/Django Developer
Libraries, Frameworks & Software Standards
1 2 (66.67%) Django
1 2 (66.67%) REST
2 1 (33.33%) Vert.x
Processes & Methodologies
1 3 (100.00%) Microservices
2 2 (66.67%) Agile Software Development
2 2 (66.67%) API Development
2 2 (66.67%) Continuous Integration
2 2 (66.67%) TDD
3 1 (33.33%) Low Latency
3 1 (33.33%) SOA
Programming Languages
1 2 (66.67%) PHP
1 2 (66.67%) Python
2 1 (33.33%) Java
2 1 (33.33%) Java 8
2 1 (33.33%) JavaScript
System Software
1 1 (33.33%) Docker
Systems Management
1 1 (33.33%) Kubernetes
Vendors
1 1 (33.33%) Google