Period
to 23 April 2018

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 April 2018 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 Apr 2018
Same period 2017 Same period 2016
Rank 652 777 881
Rank change year-on-year +125 +104 -25
Contract jobs citing Slack 227 61 11
As % of all contract IT jobs advertised in the UK 0.22% 0.066% 0.010%
As % of the Cloud Services category 1.15% 0.51% 0.13%
Number of daily rates quoted 181 41 9
UK median daily rate £475 £500 £500
Median daily rate % change year-on-year -5.00% - +37.93%
10th Percentile £363 £400 £375
90th Percentile £638 £638 £530
UK excluding London median daily rate £475 £465 £500
% change year-on-year +2.15% -7.00% -
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 19,778 12,041 8,713
As % of all contract IT jobs advertised in the UK 19.56% 13.09% 8.23%
Number of daily rates quoted 13,475 8,388 6,018
UK median daily rate £475 £450 £445
Median daily rate % change year-on-year +5.56% +1.12% +4.71%
10th Percentile £305 £281 £290
90th Percentile £638 £625 £600
UK excluding London median daily rate £450 £425 £413
% change year-on-year +5.88% +3.03% +3.13%
Number of hourly rates quoted 268 152 144
UK median hourly rate £20.00 £18.00 £22.25
Median hourly rate % change year-on-year +11.11% -19.10% -1.11%
10th Percentile £11.25 £10.51 £11.25
90th Percentile £50.00 £51.35 £57.50
UK excluding London median hourly rate £17.00 £17.00 £17.00

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 April 2018.

Contractor daily rate histogram for Slack in the UK

Slack
Top 12 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 April 2018. 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 +128 226 £475 -5.00% 56
UK excluding London +95 161 £475 +2.15% 32
North of England +113 124 £450 -6.25% 16
Yorkshire +59 82 £475 -1.04% 13
London -27 67 £500 -4.76% 26
North West - 28 £425 - 2
North East - 24 £475 - 1
South East +3 22 £575 +27.78% 5
West Midlands +7 10 £413 +105.74%
Midlands -6 10 £413 +105.74% 3
East of England - 3 - - 3
South West +8 2 £513 - 3

For the 6 months to 23 April 2018, 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.

1 165 (72.69%) JIRA
2 150 (66.08%) Agile Software Development
3 139 (61.23%) Confluence
4 106 (46.70%) Microservices
5 102 (44.93%) BDD
6 98 (43.17%) REST
6 98 (43.17%) Git (software)
7 96 (42.29%) SQL
8 91 (40.09%) Java
8 91 (40.09%) Mentoring
9 90 (39.65%) Coaching
9 90 (39.65%) Jenkins
10 89 (39.21%) Software Engineering
11 87 (38.33%) Linux
12 85 (37.44%) JavaScript
13 81 (35.68%) Test Automation
14 80 (35.24%) PostgreSQL
15 77 (33.92%) TDD
16 74 (32.60%) SFIA
17 73 (32.16%) MongoDB
18 72 (31.72%) Scrum
18 72 (31.72%) MySQL
19 70 (30.84%) Red Hat Enterprise Linux
19 70 (30.84%) NoSQL
20 69 (30.40%) Node.js
21 65 (28.63%) Cucumber
22 63 (27.75%) Kanban
23 59 (25.99%) Open Source
23 59 (25.99%) DevOps
24 50 (22.03%) User Stories

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
1 139 (61.23%) Confluence
2 17 (7.49%) nginx
3 15 (6.61%) Apache
4 14 (6.17%) SharePoint
5 11 (4.85%) JBoss
6 7 (3.08%) CMS
7 3 (1.32%) SAS
8 2 (0.88%) Adobe Experience Manager
8 2 (0.88%) Elasticsearch
8 2 (0.88%) WebLogic
9 1 (0.44%) Alfresco
9 1 (0.44%) BizTalk Server
9 1 (0.44%) Cloud Foundry
9 1 (0.44%) GeoServer
9 1 (0.44%) Joomla!
9 1 (0.44%) Mule
9 1 (0.44%) Sitecore CMS
9 1 (0.44%) Tomcat
9 1 (0.44%) Umbraco
Applications
1 10 (4.41%) MS Visio
2 5 (2.20%) Microsoft Excel
2 5 (2.20%) Microsoft Office
3 3 (1.32%) Adobe Illustrator
3 3 (1.32%) Flinto
3 3 (1.32%) InVision
3 3 (1.32%) Photoshop
4 1 (0.44%) Microsoft PowerPoint
4 1 (0.44%) Microsoft Project
Business Applications
1 7 (3.08%) Dynamics CRM
2 1 (0.44%) Primavera
Cloud Services
1 31 (13.66%) Amazon AWS
1 31 (13.66%) Trello
2 24 (10.57%) GitHub
3 13 (5.73%) AWS CloudFormation
3 13 (5.73%) SaaS
4 12 (5.29%) Microsoft Azure
5 8 (3.52%) Dropbox
6 7 (3.08%) Coveralls
6 7 (3.08%) Heroku
6 7 (3.08%) Zube
7 6 (2.64%) G Suite
7 6 (2.64%) IaaS
8 5 (2.20%) Amazon EC2
8 5 (2.20%) Amazon S3
8 5 (2.20%) Cloud Computing
8 5 (2.20%) PaaS
9 4 (1.76%) AWS Lambda
9 4 (1.76%) Datadog
9 4 (1.76%) Serverless
10 3 (1.32%) Office 365
Communications & Networking
1 17 (7.49%) HTTP
2 8 (3.52%) Internet
3 5 (2.20%) Skype
4 4 (1.76%) DNS
5 3 (1.32%) SMTP
5 3 (1.32%) SNMP
5 3 (1.32%) SSH
5 3 (1.32%) VPN
6 2 (0.88%) WebEx
7 1 (0.44%) Cisco IOS
7 1 (0.44%) DHCP
7 1 (0.44%) Firewall
7 1 (0.44%) Junos
7 1 (0.44%) OpenFlow
7 1 (0.44%) SMS
7 1 (0.44%) VLAN
Database & Business Intelligence
1 80 (35.24%) PostgreSQL
2 73 (32.16%) MongoDB
3 72 (31.72%) MySQL
4 70 (30.84%) NoSQL
5 43 (18.94%) Apache Cassandra
6 25 (11.01%) Big Data
7 14 (6.17%) Apache Hive
8 12 (5.29%) BusinessObjects
9 10 (4.41%) Data Mining
9 10 (4.41%) Geospatial Data
10 8 (3.52%) Redis
11 6 (2.64%) Amazon RDS
12 2 (0.88%) Data Warehouse
12 2 (0.88%) Oracle Database
12 2 (0.88%) PowerCenter
12 2 (0.88%) SQL Server
13 1 (0.44%) Power BI
13 1 (0.44%) ZAP BI
Development Applications
1 165 (72.69%) JIRA
2 98 (43.17%) Git (software)
3 90 (39.65%) Jenkins
4 65 (28.63%) Cucumber
5 50 (22.03%) JUnit
6 43 (18.94%) Jasmine
7 17 (7.49%) JMeter
8 15 (6.61%) Burp Suite
8 15 (6.61%) HP UFT
8 15 (6.61%) LoadRunner
8 15 (6.61%) SonarQube
9 14 (6.17%) Artifactory
9 14 (6.17%) Selenium
10 8 (3.52%) Maven
11 7 (3.08%) Code Climate
11 7 (3.08%) Codeship
11 7 (3.08%) TestRail
11 7 (3.08%) WebDriver
12 6 (2.64%) SpecFlow
13 5 (2.20%) Visual Studio Team System
General
1 5 (2.20%) Billing
1 5 (2.20%) Finance
1 5 (2.20%) Multimedia
1 5 (2.20%) Telecoms
2 2 (0.88%) Marketing
2 2 (0.88%) Retail
3 1 (0.44%) Advertising
3 1 (0.44%) French Language
3 1 (0.44%) Italian Language
3 1 (0.44%) Publishing
3 1 (0.44%) Spanish Language
Job Titles
1 48 (21.15%) Software Engineer
2 47 (20.70%) Developer
3 28 (12.33%) Java Developer
4 25 (11.01%) Analyst
5 24 (10.57%) Java Engineer
6 23 (10.13%) Java Software Engineer
7 21 (9.25%) JavaScript Engineer
8 18 (7.93%) DevOps Engineer
9 16 (7.05%) Architect
10 15 (6.61%) Test Engineer
11 13 (5.73%) Linux DevOps Engineer
11 13 (5.73%) Linux Engineer
11 13 (5.73%) Linux/Unix DevOps
11 13 (5.73%) Solutions Architect
12 12 (5.29%) JavaScript Developer
13 11 (4.85%) Business Analyst
13 11 (4.85%) Software Developer
13 11 (4.85%) User Researcher
14 10 (4.41%) Senior DevOps
14 10 (4.41%) Senior DevOps Engineer
Libraries, Frameworks & Software Standards
1 98 (43.17%) REST
2 69 (30.40%) Node.js
3 27 (11.89%) Spring
4 15 (6.61%) ActiveMQ
4 15 (6.61%) RabbitMQ
5 14 (6.17%) HTML
5 14 (6.17%) Kafka
5 14 (6.17%) Spring Boot
6 12 (5.29%) Spring Batch
6 12 (5.29%) Spring Security
7 11 (4.85%) XML
8 10 (4.41%) Spring MVC
9 8 (3.52%) Elastic Stack
9 8 (3.52%) Gherkin
10 7 (3.08%) CSS
10 7 (3.08%) Sidekiq
11 6 (2.64%) JSON
12 5 (2.20%) HTML5
13 4 (1.76%) CSS3
13 4 (1.76%) RESTful
Miscellaneous
1 22 (9.69%) User Experience
2 20 (8.81%) Analytical Skills
3 14 (6.17%) Clustering
4 11 (4.85%) Public Cloud
5 10 (4.41%) Enterprise Software
6 8 (3.52%) Linux Command Line
7 7 (3.08%) Mobile App
8 6 (2.64%) CMDB
9 4 (1.76%) NHS
9 4 (1.76%) Reference Data
10 2 (0.88%) Algorithms
11 1 (0.44%) Computer Science
11 1 (0.44%) Embedded Systems
11 1 (0.44%) Greenfield Project
11 1 (0.44%) Management Information System
11 1 (0.44%) Raspberry Pi
11 1 (0.44%) Smart Home
11 1 (0.44%) Social Media
11 1 (0.44%) Social Network
11 1 (0.44%) Virtual Team
Operating Systems
1 87 (38.33%) Linux
2 70 (30.84%) Red Hat Enterprise Linux
3 11 (4.85%) Windows
4 7 (3.08%) Android
4 7 (3.08%) Apple iOS
4 7 (3.08%) Unix
5 1 (0.44%) CentOS
5 1 (0.44%) Debian
5 1 (0.44%) Ubuntu
5 1 (0.44%) Windows 10
5 1 (0.44%) Windows Server
Processes & Methodologies
1 150 (66.08%) Agile Software Development
2 106 (46.70%) Microservices
3 102 (44.93%) BDD
4 91 (40.09%) Mentoring
5 90 (39.65%) Coaching
6 89 (39.21%) Software Engineering
7 81 (35.68%) Test Automation
8 77 (33.92%) TDD
9 74 (32.60%) SFIA
10 72 (31.72%) Scrum
11 63 (27.75%) Kanban
12 59 (25.99%) DevOps
12 59 (25.99%) Open Source
13 50 (22.03%) User Stories
14 47 (20.70%) SDLC
15 45 (19.82%) Continuous Integration
16 33 (14.54%) Continuous Delivery
17 28 (12.33%) Integration Testing
18 27 (11.89%) Configuration Management
19 25 (11.01%) Problem-Solving
Programming Languages
1 96 (42.29%) SQL
2 91 (40.09%) Java
3 85 (37.44%) JavaScript
4 23 (10.13%) Python
5 19 (8.37%) Bash Shell
6 14 (6.17%) C#
6 14 (6.17%) Perl
7 11 (4.85%) Java 8
8 5 (2.20%) Scala
8 5 (2.20%) Shell Script
8 5 (2.20%) VB
8 5 (2.20%) VBA
9 3 (1.32%) Apex Code
9 3 (1.32%) PowerShell
9 3 (1.32%) Ruby
10 2 (0.88%) F#
10 2 (0.88%) PL/SQL
10 2 (0.88%) TypeScript
11 1 (0.44%) ES6
Qualifications
1 10 (4.41%) Degree
1 10 (4.41%) Security Cleared
2 9 (3.96%) SC Cleared
3 4 (1.76%) BPSS Clearance
4 2 (0.88%) AWS Certification
4 2 (0.88%) ISEB
4 2 (0.88%) ISTQB
5 1 (0.44%) CTC Cleared
5 1 (0.44%) DV Cleared
Quality Assurance & Compliance
1 15 (6.61%) WCAG
2 11 (4.85%) Data Quality
3 7 (3.08%) QA
4 1 (0.44%) PMO
System Software
1 25 (11.01%) Docker
2 3 (1.32%) Xen
3 2 (0.88%) VirtualBox
4 1 (0.44%) Microsoft App-V
4 1 (0.44%) Varnish
4 1 (0.44%) XenApp
Systems Management
1 41 (18.06%) Puppet
2 27 (11.89%) Terraform
3 15 (6.61%) Grafana
3 15 (6.61%) Nessus
3 15 (6.61%) Opscode Chef
4 14 (6.17%) Ansible
4 14 (6.17%) Graylog
5 5 (2.20%) Rancher
6 2 (0.88%) HAProxy
6 2 (0.88%) Nagios
6 2 (0.88%) Pingdom
7 1 (0.44%) Consul
7 1 (0.44%) Graphite
7 1 (0.44%) Kubernetes
7 1 (0.44%) Packer
Vendors
1 48 (21.15%) Red Hat
2 23 (10.13%) Microsoft
3 11 (4.85%) New Relic
4 10 (4.41%) PagerDuty
5 7 (3.08%) Google
6 6 (2.64%) Salesforce.com
7 5 (2.20%) Oracle
7 5 (2.20%) ServiceNow
8 4 (1.76%) Splunk
9 3 (1.32%) Assembla
9 3 (1.32%) IBM
9 3 (1.32%) Okta
9 3 (1.32%) Progress
10 2 (0.88%) Adobe
10 2 (0.88%) Informatica
10 2 (0.88%) Twitter
11 1 (0.44%) AppDynamics
11 1 (0.44%) Facebook
11 1 (0.44%) hybris
11 1 (0.44%) MuleSoft