Period
to 27 November 2021

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Slack skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Slack over the 6 months to 27 November 2021 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.

Slack
Central London > City of London
6 months to
27 Nov 2021
Same period 2020 Same period 2019
Rank 182 119 223
Rank change year-on-year -63 +104 +27
Contract jobs citing Slack 2 5 4
As % of all contract jobs advertised in the City of London 0.050% 0.25% 0.069%
As % of the Cloud Services category 0.14% 0.76% 0.20%
Number of daily rates quoted 1 2 3
10th Percentile " £288 £338
25th Percentile £575 £292 £363
Median daily rate (50th Percentile) £600 £308 £410
Median % change year-on-year +95.12% -25.00% -13.68%
75th Percentile £625 £327 £504
90th Percentile " £333 £558
Central London median daily rate £600 £308 £386
% change year-on-year +95.12% -20.39% -18.68%

Slack is in the Cloud Services 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 cloud computing skills.

All Cloud Skills
City of London
Contract vacancies with a requirement for cloud computing skills 1,479 661 1,977
As % of all contract IT jobs advertised in the City of London 37.17% 33.71% 34.18%
Number of daily rates quoted 1,161 525 1,575
10th Percentile £400 £325 £325
25th Percentile £475 £413 £425
Median daily rate (50th Percentile) £550 £525 £525
Median % change year-on-year +4.76% - -
75th Percentile £650 £588 £600
90th Percentile £738 £650 £675
Central London median daily rate £550 £525 £520
% change year-on-year +4.76% +0.96% -0.95%
Number of hourly rates quoted 12 2 18
10th Percentile " £20.25 £18.64
25th Percentile £13.88 £20.63 £20.00
Median hourly rate £14.25 £21.25 £20.92
Median % change year-on-year -32.94% +1.60% +19.51%
75th Percentile £24.75 £21.88 £22.70
90th Percentile £33.98 £22.25 £24.43
Central London median hourly rate £17.13 £21.25 £21.00
% change year-on-year -19.41% +1.19% +12.30%

Slack
Job Vacancy Trend in the City of London

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

Job vacancy trend for Slack in the City of London

Slack
Contractor Daily Rate Trend in the City of London

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

Daily rate trend for Slack in the City of London

For the 6 months to 27 November 2021, IT contractor jobs citing Slack 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 Slack.

1 2 (100.00%) Git (software)
1 2 (100.00%) JIRA
2 1 (50.00%) Drupal
2 1 (50.00%) Red Hat Enterprise Linux
2 1 (50.00%) Java
2 1 (50.00%) JavaScript
2 1 (50.00%) SQL
2 1 (50.00%) MySQL
2 1 (50.00%) Linux
2 1 (50.00%) Configuration Management
2 1 (50.00%) Workflow
2 1 (50.00%) PostgreSQL
2 1 (50.00%) Agile Software Development
2 1 (50.00%) TDD
2 1 (50.00%) Software Engineering
2 1 (50.00%) Google
2 1 (50.00%) Test Automation
2 1 (50.00%) AWS
2 1 (50.00%) Confluence
2 1 (50.00%) Varnish
2 1 (50.00%) Cucumber
2 1 (50.00%) BDD
2 1 (50.00%) MongoDB
2 1 (50.00%) NoSQL
2 1 (50.00%) Node.js
2 1 (50.00%) REST
2 1 (50.00%) Vagrant
2 1 (50.00%) Docker
2 1 (50.00%) DevOps
2 1 (50.00%) Mentoring

Slack
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:

Application Platforms
1 1 (50.00%) Confluence
1 1 (50.00%) Drupal
Cloud Services
1 1 (50.00%) AWS
1 1 (50.00%) Google Docs
Database & Business Intelligence
1 1 (50.00%) MongoDB
1 1 (50.00%) MySQL
1 1 (50.00%) NoSQL
1 1 (50.00%) PostgreSQL
Development Applications
1 2 (100.00%) Git (software)
1 2 (100.00%) JIRA
2 1 (50.00%) CircleCI
2 1 (50.00%) Cucumber
2 1 (50.00%) Vagrant
General
1 1 (50.00%) Social Skills
Job Titles
1 1 (50.00%) Developer
1 1 (50.00%) Drupal Developer
1 1 (50.00%) Software Engineer
Libraries, Frameworks & Software Standards
1 1 (50.00%) Drush
1 1 (50.00%) Node.js
1 1 (50.00%) REST
Operating Systems
1 1 (50.00%) Linux
1 1 (50.00%) Red Hat Enterprise Linux
Processes & Methodologies
1 1 (50.00%) Agile Software Development
1 1 (50.00%) BDD
1 1 (50.00%) Coaching
1 1 (50.00%) Configuration Management
1 1 (50.00%) DevOps
1 1 (50.00%) Mentoring
1 1 (50.00%) Microservices
1 1 (50.00%) Problem-Solving
1 1 (50.00%) SDLC
1 1 (50.00%) Software Engineering
1 1 (50.00%) TDD
1 1 (50.00%) Test Automation
1 1 (50.00%) Workflow
Programming Languages
1 1 (50.00%) Java
1 1 (50.00%) JavaScript
1 1 (50.00%) SQL
System Software
1 1 (50.00%) Docker
1 1 (50.00%) Varnish
Vendors
1 1 (50.00%) Google