Period
to 3 August 2021

The following table provides summary statistics for contract job vacancies advertised in 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 3 August 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
England > London
6 months to
3 Aug 2021
Same period 2020 Same period 2019
Rank 460 329 490
Rank change year-on-year -131 +161 +95
Contract jobs citing Slack 61 52 107
As % of all contract jobs advertised in London 0.20% 0.33% 0.26%
As % of the Cloud Services category 0.53% 0.99% 0.82%
Number of daily rates quoted 29 30 67
10th Percentile £367 £311 £403
25th Percentile £400 £405 £469
Median daily rate (50th Percentile) £463 £473 £550
Median % change year-on-year -2.12% -14.09% +10.00%
75th Percentile £600 £525 £675
90th Percentile " £589 £725
England median daily rate £463 £500 £525
% change year-on-year -7.50% -4.76% +10.53%
Number of hourly rates quoted 0 0 3
Median hourly rate - - £24.50
England median hourly rate £18.50 - £24.50

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 London with a requirement for cloud computing skills.

All Cloud Skills
London
Contract vacancies with a requirement for cloud computing skills 11,568 5,256 13,005
As % of all contract IT jobs advertised in London 38.05% 33.61% 32.18%
Number of daily rates quoted 8,424 3,953 9,502
10th Percentile £375 £350 £350
25th Percentile £456 £431 £425
Median daily rate (50th Percentile) £550 £525 £525
Median % change year-on-year +4.76% - +5.00%
75th Percentile £638 £625 £613
90th Percentile £713 £713 £688
England median daily rate £525 £500 £500
% change year-on-year +5.00% - +5.26%
Number of hourly rates quoted 52 28 84
10th Percentile £13.65 £18.50 £13.61
25th Percentile £19.05 £21.38 £18.50
Median hourly rate £25.00 £27.00 £21.00
Median % change year-on-year -7.41% +28.57% -5.62%
75th Percentile £51.31 £50.63 £30.94
90th Percentile £67.70 £61.78 £52.50
England median hourly rate £20.00 £21.00 £21.00
% change year-on-year -4.76% - +10.53%

Slack
Job Vacancy Trend in London

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

Job vacancy trend for Slack in London

Slack
Contractor Daily Rate Trend in London

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

Daily rate trend for Slack in London

Slack
Daily Rate Histogram in London

Daily rate distribution for jobs citing Slack in London over the 6 months to 3 August 2021.

Daily rate histogram for Slack in London

Slack
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Slack within the London region over the 6 months to 3 August 2021. 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
Job
Vacancies
Central London -16 16 £429 +3.94% 10
South London +11 2 - -
East London - 1 £263 - 3
Slack
England

For the 6 months to 3 August 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 London region with a requirement for Slack.

1 46 (75.41%) JIRA
2 29 (47.54%) GitHub
3 27 (44.26%) Agile Software Development
4 25 (40.98%) DevOps
5 24 (39.34%) Java
6 23 (37.70%) Confluence
7 22 (36.07%) Python
8 21 (34.43%) Git (software)
9 20 (32.79%) AWS
10 17 (27.87%) Jenkins
11 16 (26.23%) Docker
11 16 (26.23%) Maven
12 15 (24.59%) Scrum
12 15 (24.59%) Kubernetes
12 15 (24.59%) Microsoft 365
13 14 (22.95%) Azure
14 13 (21.31%) C#
15 12 (19.67%) Continuous Integration
16 11 (18.03%) Test Automation
16 11 (18.03%) PowerShell
16 11 (18.03%) JavaScript
16 11 (18.03%) Salesforce.com
17 10 (16.39%) CSS
17 10 (16.39%) SharePoint
17 10 (16.39%) HTML
17 10 (16.39%) Workflow
17 10 (16.39%) Google
17 10 (16.39%) Investment Management
17 10 (16.39%) Security Cleared
17 10 (16.39%) Splunk

Slack
Co-occurring IT Skills in 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 23 (37.70%) Confluence
2 10 (16.39%) SharePoint
3 9 (14.75%) SharePoint 2010
4 6 (9.84%) Apache Airflow
5 1 (1.64%) CMS
5 1 (1.64%) Drupal
5 1 (1.64%) Elasticsearch
5 1 (1.64%) EPiServer
5 1 (1.64%) Jetty
5 1 (1.64%) WordPress
Applications
1 9 (14.75%) InfoPath
2 2 (3.28%) Figma
2 2 (3.28%) Microsoft Office
2 2 (3.28%) Zeplin
Business Applications
1 1 (1.64%) Dynamics AX
1 1 (1.64%) Remedy ITSM
Cloud Services
1 29 (47.54%) GitHub
2 20 (32.79%) AWS
3 15 (24.59%) Microsoft 365
4 14 (22.95%) Azure
5 9 (14.75%) Power Platform
5 9 (14.75%) Workato
6 8 (13.11%) GCP
7 6 (9.84%) Amazon S3
7 6 (9.84%) IaaS
8 3 (4.92%) SaaS
9 2 (3.28%) AWS Lambda
9 2 (3.28%) PaaS
9 2 (3.28%) Serverless
10 1 (1.64%) Asana
10 1 (1.64%) BrowserStack
10 1 (1.64%) Firebase
10 1 (1.64%) Google Drive
10 1 (1.64%) IBM Cloud
10 1 (1.64%) Miro
10 1 (1.64%) OneDrive
Communications & Networking
1 4 (6.56%) WebEx
2 3 (4.92%) Firewall
2 3 (4.92%) Wireshark
3 1 (1.64%) LAN
3 1 (1.64%) PSTN
3 1 (1.64%) VPN
3 1 (1.64%) WAN
3 1 (1.64%) Wi-Fi
Database & Business Intelligence
1 9 (14.75%) Metadata
1 9 (14.75%) Power BI
1 9 (14.75%) Tableau
2 6 (9.84%) NoSQL
3 4 (6.56%) MongoDB
4 3 (4.92%) SQL Server
5 2 (3.28%) MarkLogic
6 1 (1.64%) Amazon Aurora
6 1 (1.64%) Big Data
6 1 (1.64%) Ingres
6 1 (1.64%) MySQL
6 1 (1.64%) PostgreSQL
6 1 (1.64%) SAP BW
Development Applications
1 46 (75.41%) JIRA
2 21 (34.43%) Git (software)
3 17 (27.87%) Jenkins
4 16 (26.23%) Maven
5 9 (14.75%) Sonatype Nexus
6 6 (9.84%) Postman
7 5 (8.20%) JUnit
7 5 (8.20%) Selenium
8 4 (6.56%) Bitbucket
8 4 (6.56%) Cucumber
8 4 (6.56%) GitLab
8 4 (6.56%) JMeter
8 4 (6.56%) Mockito
8 4 (6.56%) NeoLoad
8 4 (6.56%) NUnit
8 4 (6.56%) Serenity BDD
8 4 (6.56%) SpecFlow
8 4 (6.56%) Team Foundation Server
8 4 (6.56%) TestNG
8 4 (6.56%) WebLOAD
General
1 9 (14.75%) Marketing
2 8 (13.11%) Finance
2 8 (13.11%) Social Skills
3 6 (9.84%) Public Sector
4 4 (6.56%) Banking
5 2 (3.28%) Analytical Skills
5 2 (3.28%) Presentation Skills
5 2 (3.28%) Private Banking
6 1 (1.64%) Investment Banking
6 1 (1.64%) Legal
6 1 (1.64%) Local Government
6 1 (1.64%) Manufacturing
6 1 (1.64%) Publishing
6 1 (1.64%) Telecoms
6 1 (1.64%) Wearables
Job Titles
1 18 (29.51%) Developer
2 13 (21.31%) DevOps Engineer
3 8 (13.11%) SharePoint Developer
4 5 (8.20%) Senior DevOps
4 5 (8.20%) Senior DevOps Engineer
4 5 (8.20%) Software Engineer
4 5 (8.20%) Test Engineer
5 4 (6.56%) Development Engineer
5 4 (6.56%) Microsoft 365 Engineer
5 4 (6.56%) Software Development Engineer
5 4 (6.56%) Software Test Engineer
5 4 (6.56%) Test Development Engineer
6 3 (4.92%) Android Developer
6 3 (4.92%) Java Developer
6 3 (4.92%) Operations Engineer
6 3 (4.92%) Performance Tester
6 3 (4.92%) Senior Developer
6 3 (4.92%) Senior Java Developer
6 3 (4.92%) Tester
7 2 (3.28%) Change and Release Manager
Libraries, Frameworks & Software Standards
1 10 (16.39%) CSS
1 10 (16.39%) HTML
1 10 (16.39%) Kafka
2 9 (14.75%) Spring
3 8 (13.11%) JSON
3 8 (13.11%) REST
3 8 (13.11%) Spring Boot
4 5 (8.20%) AngularJS
4 5 (8.20%) RESTful
5 4 (6.56%) WireMock
6 3 (4.92%) Node.js
6 3 (4.92%) React
7 2 (3.28%) JMX
7 2 (3.28%) Middleware
7 2 (3.28%) Swagger
8 1 (1.64%) Core Data
8 1 (1.64%) Dropwizard
8 1 (1.64%) Elastic Stack
8 1 (1.64%) RxSwift
8 1 (1.64%) Vue.js
Miscellaneous
1 6 (9.84%) User Experience
2 4 (6.56%) Mobile App
3 2 (3.28%) CMDB
3 2 (3.28%) Hybrid Cloud
3 2 (3.28%) Legacy Applications
3 2 (3.28%) Self-Motivation
3 2 (3.28%) Video Conferencing
3 2 (3.28%) Wiki
4 1 (1.64%) CLARiiON
4 1 (1.64%) Hedge funds
4 1 (1.64%) Legacy Systems
4 1 (1.64%) Management Information System
4 1 (1.64%) Mobile Payment
4 1 (1.64%) Private Cloud
4 1 (1.64%) Public Cloud
4 1 (1.64%) Social Media
4 1 (1.64%) Xbox
Operating Systems
1 9 (14.75%) Linux
2 4 (6.56%) Android
2 4 (6.56%) Red Hat Enterprise Linux
2 4 (6.56%) Windows
3 2 (3.28%) Apple iOS
4 1 (1.64%) Mac OS
4 1 (1.64%) Mac OS X
4 1 (1.64%) Ubuntu
Processes & Methodologies
1 27 (44.26%) Agile Software Development
2 25 (40.98%) DevOps
3 15 (24.59%) Scrum
4 12 (19.67%) Continuous Integration
5 11 (18.03%) Test Automation
6 10 (16.39%) Investment Management
6 10 (16.39%) Microservices
6 10 (16.39%) Workflow
7 9 (14.75%) Business Intelligence
7 9 (14.75%) Kanban
7 9 (14.75%) Metadata Management
7 9 (14.75%) Migration
8 8 (13.11%) Capacity Management
9 7 (11.48%) Agile Testing
9 7 (11.48%) Configuration Management
9 7 (11.48%) Continuous Delivery
9 7 (11.48%) Mentoring
9 7 (11.48%) Unit Testing
10 6 (9.84%) Runbook
10 6 (9.84%) TDD
Programming Languages
1 24 (39.34%) Java
2 22 (36.07%) Python
3 13 (21.31%) C#
4 11 (18.03%) JavaScript
4 11 (18.03%) PowerShell
5 5 (8.20%) Bash Shell
6 4 (6.56%) SQL
7 3 (4.92%) Java 8
7 3 (4.92%) Kotlin
8 2 (3.28%) Perl
8 2 (3.28%) PHP
9 1 (1.64%) Apple Swift
9 1 (1.64%) C++
9 1 (1.64%) Go
9 1 (1.64%) Objective-C
9 1 (1.64%) Ruby
9 1 (1.64%) Scala
Qualifications
1 10 (16.39%) Security Cleared
2 4 (6.56%) SC Cleared
3 2 (3.28%) Degree
4 1 (1.64%) Computer Science Degree
4 1 (1.64%) CTC Cleared
4 1 (1.64%) HNC
4 1 (1.64%) ISTQB
4 1 (1.64%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 9 (14.75%) QA
System Software
1 16 (26.23%) Docker
2 1 (1.64%) Active Directory
2 1 (1.64%) Apache ZooKeeper
2 1 (1.64%) Hyper-V
2 1 (1.64%) Varnish
2 1 (1.64%) VirtualBox
2 1 (1.64%) VMware Infrastructure
Systems Management
1 15 (24.59%) Kubernetes
2 8 (13.11%) Grafana
2 8 (13.11%) Terraform
3 6 (9.84%) Bosun
3 6 (9.84%) VictorOps
4 5 (8.20%) Ansible
5 2 (3.28%) ITRS Geneos
5 2 (3.28%) Prometheus
6 1 (1.64%) AssetCenter
6 1 (1.64%) Graphite
6 1 (1.64%) Kibana
6 1 (1.64%) logstash
6 1 (1.64%) Rancher
Vendors
1 11 (18.03%) Salesforce.com
2 10 (16.39%) Google
2 10 (16.39%) Splunk
3 9 (14.75%) Nintex
4 4 (6.56%) AppDynamics
4 4 (6.56%) Microsoft
4 4 (6.56%) Oracle
5 3 (4.92%) Atlassian
6 2 (3.28%) Cisco
6 2 (3.28%) Facebook
6 2 (3.28%) IBM
6 2 (3.28%) SAP
6 2 (3.28%) ServiceNow
7 1 (1.64%) Adobe
7 1 (1.64%) Apple
7 1 (1.64%) Compaq
7 1 (1.64%) EMC
7 1 (1.64%) HP
7 1 (1.64%) Red Hat
7 1 (1.64%) Sage