Period
to 23 January 2019

The following table provides summary statistics for contract job vacancies 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 23 January 2019 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
UK
6 months to
23 Jan 2019
Same period 2018 Same period 2017
Rank 666 645 810
Rank change year-on-year -21 +165 +59
Contract jobs citing Slack 213 239 53
As % of all contract IT jobs advertised in the UK 0.21% 0.24% 0.055%
As % of the Cloud Services category 0.88% 1.34% 0.44%
Number of daily rates quoted 133 207 40
UK median daily rate £500 £513 £438
Median daily rate % change year-on-year -2.44% +17.14% +16.67%
10th Percentile £355 £376 £374
90th Percentile £598 £638 £638
UK excluding London median daily rate £500 £525 £425
% change year-on-year -4.76% +23.53% -
Number of hourly rates quoted 0 0 0
UK median hourly rate - - -
UK excluding London median hourly rate - - -

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 with a requirement for cloud computing skills.

All Cloud Skills
UK
Contract vacancies with a requirement for cloud computing skills 24,176 17,788 12,103
As % of all contract IT jobs advertised in the UK 24.26% 17.69% 12.59%
Number of daily rates quoted 16,683 12,359 8,314
UK median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.56% +5.88%
10th Percentile £308 £288 £281
90th Percentile £650 £625 £613
UK excluding London median daily rate £450 £425 £425
% change year-on-year +5.88% - +6.25%
Number of hourly rates quoted 308 234 163
UK median hourly rate £17.50 £18.81 £19.00
Median hourly rate % change year-on-year -6.98% -0.99% -12.20%
10th Percentile £11.25 £11.08 £11.30
90th Percentile £55.75 £57.18 £56.87
UK excluding London median hourly rate £17.50 £17.50 £17.50

Slack
Job Vacancy Trend

Job postings citing Slack as a percentage of all IT jobs advertised.

Job vacancy trend for Slack in the UK

Slack
Contractor Daily Rate Trend

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Slack.

Contractor daily rate trend for Slack in the UK

Slack
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Slack over the 6 months to 23 January 2019.

Contractor daily rate histogram for Slack in the UK

Slack
Top 15 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Slack within the UK over the 6 months to 23 January 2019. 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
England -23 196 £500 -2.44% 68
UK excluding London -32 137 £500 -4.76% 25
North of England -46 79 £500 -2.44% 14
London -1 69 £500 -2.44% 44
Yorkshire -32 47 £500 -6.54% 5
North West -32 24 £463 -13.55% 9
Midlands +15 19 £350 -30.00% 4
West Midlands -7 19 £350 -30.00% 2
South West -33 15 £513 - 3
North East -14 13 £500 -13.04%
South East -15 8 £575 +9.52% 3
Wales - 8 £531 -
East of England +6 6 £388 -
Northern Ireland - 1 - - 1
Scotland - 1 - -

For the 6 months to 23 January 2019, 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 with a requirement for Slack.

1 172 (80.75%) JIRA
2 141 (66.20%) Confluence
3 111 (52.11%) Git (software)
4 110 (51.64%) Microservices
5 108 (50.70%) Jenkins
6 106 (49.77%) Agile Software Development
7 85 (39.91%) DevOps
8 78 (36.62%) Continuous Integration
9 76 (35.68%) Test Automation
10 73 (34.27%) Java
10 73 (34.27%) BDD
11 72 (33.80%) Docker
12 71 (33.33%) Software Engineering
13 70 (32.86%) REST
14 68 (31.92%) Node.js
14 68 (31.92%) Linux
15 65 (30.52%) JavaScript
16 60 (28.17%) Coaching
17 58 (27.23%) SDLC
18 57 (26.76%) MongoDB
19 55 (25.82%) Mentoring
19 55 (25.82%) TDD
20 53 (24.88%) Cucumber
21 50 (23.47%) Amazon AWS
22 47 (22.07%) Grafana
23 45 (21.13%) Scrum
23 45 (21.13%) MySQL
23 45 (21.13%) Red Hat Enterprise Linux
24 42 (19.72%) SQL
25 41 (19.25%) Python

Slack
Co-occurring IT Skills 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
1 141 (66.20%) Confluence
2 11 (5.16%) nginx
3 7 (3.29%) Apache
4 6 (2.82%) SharePoint
5 5 (2.35%) Apache Spark
6 3 (1.41%) Cloud Foundry
6 3 (1.41%) JBoss
6 3 (1.41%) MS Exchange
6 3 (1.41%) OpenStack
7 2 (0.94%) Tomcat
8 1 (0.47%) ArcGIS
8 1 (0.47%) CMS
8 1 (0.47%) Elasticsearch
8 1 (0.47%) IIS
8 1 (0.47%) Mule
8 1 (0.47%) Sitecore CMS
8 1 (0.47%) Skype for Business
8 1 (0.47%) Umbraco
8 1 (0.47%) WordPress
Applications
1 3 (1.41%) Flinto
1 3 (1.41%) InVision
1 3 (1.41%) MS Visio
2 2 (0.94%) Chatbot
2 2 (0.94%) Microsoft Excel
2 2 (0.94%) Microsoft Office
3 1 (0.47%) Microsoft Project
Business Applications
1 2 (0.94%) Distributed Ledger
2 1 (0.47%) Exstream
2 1 (0.47%) Salesforce.com CRM
Cloud Services
1 50 (23.47%) Amazon AWS
2 41 (19.25%) GitHub
3 21 (9.86%) Trello
4 20 (9.39%) Microsoft Azure
5 14 (6.57%) Amazon S3
5 14 (6.57%) Google Analytics
6 13 (6.10%) Amazon EC2
6 13 (6.10%) Amazon ELB
6 13 (6.10%) Route 53
6 13 (6.10%) Virtual Private Cloud
7 7 (3.29%) AWS CloudFormation
8 6 (2.82%) G Suite
8 6 (2.82%) Google Cloud Platform
9 5 (2.35%) Office 365
9 5 (2.35%) Serverless
10 4 (1.88%) OpenShift
10 4 (1.88%) PaaS
11 3 (1.41%) Akamai
11 3 (1.41%) AWS Lambda
11 3 (1.41%) BrowserStack
Communications & Networking
1 22 (10.33%) HTTP
2 16 (7.51%) Skype
3 11 (5.16%) OpenVPN
4 5 (2.35%) Firewall
4 5 (2.35%) SSL
5 2 (0.94%) AMQP
5 2 (0.94%) DNS
5 2 (0.94%) Internet
6 1 (0.47%) Ethernet
6 1 (0.47%) ICMP
6 1 (0.47%) TCP/IP
6 1 (0.47%) VoIP
Database & Business Intelligence
1 57 (26.76%) MongoDB
2 45 (21.13%) MySQL
3 34 (15.96%) PostgreSQL
4 29 (13.62%) NoSQL
5 15 (7.04%) Apache Cassandra
6 11 (5.16%) Amazon RDS
7 10 (4.69%) Big Data
8 7 (3.29%) Redis
9 5 (2.35%) Hadoop
10 4 (1.88%) Apache Hive
10 4 (1.88%) Geospatial Data
11 3 (1.41%) Apache Accumulo
12 2 (0.94%) Blockchain
12 2 (0.94%) Data Warehouse
12 2 (0.94%) InfluxDB
12 2 (0.94%) RDBMS
12 2 (0.94%) Relational Database
12 2 (0.94%) SQL Server
13 1 (0.47%) CouchDB
13 1 (0.47%) GIS
Development Applications
1 172 (80.75%) JIRA
2 111 (52.11%) Git (software)
3 108 (50.70%) Jenkins
4 53 (24.88%) Cucumber
5 39 (18.31%) Selenium
6 34 (15.96%) SonarQube
7 31 (14.55%) HP UFT
8 30 (14.08%) JMeter
9 29 (13.62%) LoadRunner
10 25 (11.74%) Burp Suite
11 18 (8.45%) IntelliJ
12 17 (7.98%) Artifactory
12 17 (7.98%) GitLab
12 17 (7.98%) JUnit
12 17 (7.98%) Sonatype Nexus
13 13 (6.10%) Gatling
13 13 (6.10%) gulp
14 12 (5.63%) Sublime Text
14 12 (5.63%) Visual Studio Code
14 12 (5.63%) WebDriver
General
1 12 (5.63%) Finance
2 6 (2.82%) Banking
3 5 (2.35%) Retail
4 3 (1.41%) Marketing
5 2 (0.94%) Billing
5 2 (0.94%) Games
5 2 (0.94%) Publishing
5 2 (0.94%) Telecoms
6 1 (0.47%) Advertising
6 1 (0.47%) Back Office
6 1 (0.47%) Investment Banking
Job Titles
1 48 (22.54%) Developer
2 41 (19.25%) DevOps Engineer
3 27 (12.68%) Test Engineer
4 20 (9.39%) Software Engineer
5 15 (7.04%) Java Developer
6 14 (6.57%) Designer
7 11 (5.16%) Scala Developer
7 11 (5.16%) Software Developer
7 11 (5.16%) Tester
8 10 (4.69%) Architect
9 9 (4.23%) Analyst
10 7 (3.29%) Senior DevOps
10 7 (3.29%) Senior DevOps Engineer
11 6 (2.82%) Business Analyst
11 6 (2.82%) Full Stack Developer
12 5 (2.35%) AWS DevOps
12 5 (2.35%) Developer in Test
12 5 (2.35%) Integration Tester
12 5 (2.35%) Java Software Developer
13 4 (1.88%) Kubernetes Engineer
Libraries, Frameworks & Software Standards
1 70 (32.86%) REST
2 68 (31.92%) Node.js
3 17 (7.98%) Elastic Stack
4 16 (7.51%) CSS
5 15 (7.04%) HTML
6 14 (6.57%) Gherkin
6 14 (6.57%) Sass
7 13 (6.10%) HTML5
7 13 (6.10%) LESS
7 13 (6.10%) YAML
8 12 (5.63%) Play Framework
9 11 (5.16%) RabbitMQ
10 8 (3.76%) Kafka
10 8 (3.76%) Spring
11 7 (3.29%) RESTful
11 7 (3.29%) Spring Boot
11 7 (3.29%) Web Services
12 5 (2.35%) ActiveMQ
12 5 (2.35%) AngularJS
12 5 (2.35%) Apache NiFi
Miscellaneous
1 10 (4.69%) User Experience
2 9 (4.23%) Analytical Skills
3 8 (3.76%) Public Cloud
4 6 (2.82%) Clustering
4 6 (2.82%) Management Information System
5 5 (2.35%) Mobile App
5 5 (2.35%) Virtual Team
6 4 (1.88%) Self-Motivation
7 3 (1.41%) Client/Server
7 3 (1.41%) Data Centre
7 3 (1.41%) Digital TV
7 3 (1.41%) Fintech
7 3 (1.41%) NHS
7 3 (1.41%) Over-the-Top Content
7 3 (1.41%) Video\Live Streaming
8 2 (0.94%) Algorithms
8 2 (0.94%) Animation
8 2 (0.94%) Data Structures
8 2 (0.94%) PMI
8 2 (0.94%) Social Media
Operating Systems
1 68 (31.92%) Linux
2 45 (21.13%) Red Hat Enterprise Linux
3 18 (8.45%) CentOS
4 16 (7.51%) Mac OS
5 11 (5.16%) Windows
6 8 (3.76%) Android
6 8 (3.76%) Apple iOS
7 4 (1.88%) Windows Server
8 1 (0.47%) Mac OS X
8 1 (0.47%) Ubuntu
8 1 (0.47%) Unix
8 1 (0.47%) Windows 10
8 1 (0.47%) Windows 7
Processes & Methodologies
1 110 (51.64%) Microservices
2 106 (49.77%) Agile Software Development
3 85 (39.91%) DevOps
4 78 (36.62%) Continuous Integration
5 76 (35.68%) Test Automation
6 73 (34.27%) BDD
7 71 (33.33%) Software Engineering
8 60 (28.17%) Coaching
9 58 (27.23%) SDLC
10 55 (25.82%) Mentoring
10 55 (25.82%) TDD
11 45 (21.13%) Scrum
12 26 (12.21%) Open Source
13 25 (11.74%) Configuration Management
13 25 (11.74%) OWASP
14 24 (11.27%) Waterfall
15 21 (9.86%) Kanban
16 18 (8.45%) Integration Testing
17 17 (7.98%) Analytics
17 17 (7.98%) SFIA
Programming Languages
1 73 (34.27%) Java
2 65 (30.52%) JavaScript
3 42 (19.72%) SQL
4 41 (19.25%) Python
5 28 (13.15%) Bash Shell
6 18 (8.45%) Ruby
7 14 (6.57%) Groovy
8 12 (5.63%) Scala
9 10 (4.69%) Perl
10 5 (2.35%) PowerShell
11 4 (1.88%) Shell Script
12 3 (1.41%) C
12 3 (1.41%) ES6
12 3 (1.41%) Java 8
13 2 (0.94%) C#
13 2 (0.94%) C++
13 2 (0.94%) R
13 2 (0.94%) TypeScript
14 1 (0.47%) Go
14 1 (0.47%) PHP
Qualifications
1 14 (6.57%) Security Cleared
2 12 (5.63%) Degree
3 8 (3.76%) Computer Science Degree
3 8 (3.76%) SC Cleared
4 4 (1.88%) ISEB
4 4 (1.88%) ISTQB
5 3 (1.41%) BPSS Clearance
5 3 (1.41%) ISTQB Foundation Certification
6 2 (0.94%) MCSE
6 2 (0.94%) Microsoft Certification
6 2 (0.94%) PMI Certification
6 2 (0.94%) PMP
7 1 (0.47%) APMG
7 1 (0.47%) AWS Certification
7 1 (0.47%) Master's Degree
Quality Assurance & Compliance
1 29 (13.62%) QA
2 24 (11.27%) WCAG
3 5 (2.35%) PMO
4 2 (0.94%) ISO/IEC 27001
System Software
1 72 (33.80%) Docker
2 4 (1.88%) Varnish
2 4 (1.88%) VirtualBox
3 3 (1.41%) Active Directory
3 3 (1.41%) Virtual Desktop
4 2 (0.94%) Hyper-V
4 2 (0.94%) KVM
5 1 (0.47%) vSphere
Systems Management
1 47 (22.07%) Grafana
2 36 (16.90%) Kubernetes
3 35 (16.43%) Terraform
4 33 (15.49%) Puppet
5 26 (12.21%) Prometheus
6 25 (11.74%) Nessus
7 24 (11.27%) Ansible
8 18 (8.45%) Packer
9 17 (7.98%) Opscode Chef
10 16 (7.51%) Graphite
11 15 (7.04%) Rancher
12 14 (6.57%) Kibana
13 11 (5.16%) FreeIPA
14 5 (2.35%) Consul
15 4 (1.88%) Graylog
15 4 (1.88%) HAProxy
15 4 (1.88%) Single Sign-On
16 1 (0.47%) Salt
16 1 (0.47%) SCCM
Vendors
1 31 (14.55%) Splunk
2 26 (12.21%) Black Duck
2 26 (12.21%) Google
3 15 (7.04%) Microsoft
4 6 (2.82%) ServiceNow
5 5 (2.35%) Red Hat
6 4 (1.88%) Atlassian
6 4 (1.88%) Okta
7 3 (1.41%) Alibaba
7 3 (1.41%) AppDynamics
7 3 (1.41%) New Relic
7 3 (1.41%) Workday
8 2 (0.94%) Adobe
8 2 (0.94%) Facebook
8 2 (0.94%) Mirantis
8 2 (0.94%) Salesforce.com
9 1 (0.47%) Citrix
9 1 (0.47%) ESRI
9 1 (0.47%) OneLogin
9 1 (0.47%) Oracle