Period
to 19 January 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 19 January 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
19 Jan 2018
Same period 2017 Same period 2016
Rank 618 800 861
Rank change year-on-year +182 +61 -5
Contract jobs citing Slack 241 53 6
As % of all contract IT jobs advertised in the UK 0.24% 0.055% 0.006%
As % of the Cloud Services category 1.37% 0.44% 0.080%
Number of daily rates quoted 208 39 3
UK median daily rate £513 £438 £375
Median daily rate % change year-on-year +17.14% +16.67% +3.45%
UK excluding London median daily rate £525 £425 £425
% change year-on-year +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 17,565 12,062 7,525
As % of all contract IT jobs advertised in the UK 17.53% 12.45% 6.95%
Number of daily rates quoted 12,190 8,289 5,127
UK median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.56% +5.88% -
10th Percentile £285 £281 £263
90th Percentile £625 £613 £600
UK excluding London median daily rate £425 £425 £400
% change year-on-year - +6.25% -
Number of hourly rates quoted 229 166 122
UK median hourly rate £18.63 £18.65 £21.64
Median hourly rate % change year-on-year -0.12% -13.83% -3.82%
10th Percentile £11.00 £11.38 £10.55
90th Percentile £54.55 £57.18 £47.50
UK excluding London median hourly rate £17.50 £17.28 £23.75
% change year-on-year +1.27% -27.24% +5.56%

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 19 January 2018.

Contractor daily rate histogram for Slack in the UK

Slack
Top 13 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 19 January 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 +181 240 £513 +17.14% 45
UK excluding London +126 151 £525 +23.53% 24
North of England +134 116 £513 +20.59% 6
London +34 93 £513 +2.50% 25
Yorkshire +75 63 £535 +114.00% 3
North West +36 45 £535 +25.88% 1
North East +77 29 £575 +35.29% 2
South East +9 29 £525 +16.67% 7
Midlands +8 3 £500 +33.24% 2
West Midlands +7 2 £500 +149.38%
South West 0 2 £513 +17.14% 4
East Midlands +2 1 - - 2
East of England -7 1 - - 1

For the 6 months to 19 January 2018, IT contractor jobs citing Slack also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads with a requirement for Slack.

1 173 (71.78%) JIRA
2 162 (67.22%) Confluence
3 125 (51.87%) Git (software)
4 113 (46.89%) Microservices
5 112 (46.47%) Agile Software Development
6 102 (42.32%) Jenkins
7 97 (40.25%) Mentoring
8 96 (39.83%) Linux
9 94 (39.00%) Coaching
10 84 (34.85%) BDD
11 83 (34.44%) REST
11 83 (34.44%) Test Automation
12 82 (34.02%) JavaScript
13 80 (33.20%) SQL
13 80 (33.20%) Software Engineering
14 79 (32.78%) Red Hat Enterprise Linux
14 79 (32.78%) DevOps
15 77 (31.95%) Java
15 77 (31.95%) PostgreSQL
16 76 (31.54%) MongoDB
17 71 (29.46%) MySQL
17 71 (29.46%) TDD
18 69 (28.63%) Continuous Integration
19 67 (27.80%) User Stories
20 65 (26.97%) Docker
20 65 (26.97%) NoSQL
20 65 (26.97%) SFIA
21 64 (26.56%) Node.js
22 63 (26.14%) Scrum
23 60 (24.90%) Trello

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
1 162 (67.22%) Confluence
2 34 (14.11%) nginx
3 15 (6.22%) SharePoint
4 9 (3.73%) JBoss
5 7 (2.90%) OpenStack
6 4 (1.66%) Apache Pig
6 4 (1.66%) Skype for Business
7 3 (1.24%) BizTalk Server
7 3 (1.24%) Drupal
7 3 (1.24%) Elasticsearch
8 2 (0.83%) Apache
8 2 (0.83%) CMS
9 1 (0.41%) Cloud Foundry
9 1 (0.41%) GeoServer
9 1 (0.41%) Joomla!
9 1 (0.41%) MS Exchange
9 1 (0.41%) SAS
9 1 (0.41%) SharePoint Server
9 1 (0.41%) Tomcat
9 1 (0.41%) WebLogic
Applications
1 13 (5.39%) Adobe Illustrator
1 13 (5.39%) Flinto
1 13 (5.39%) InVision
1 13 (5.39%) Photoshop
2 9 (3.73%) MS Visio
3 5 (2.07%) Microsoft Excel
4 4 (1.66%) Microsoft Office
5 1 (0.41%) HipChat
5 1 (0.41%) Microsoft Project
Business Applications
1 1 (0.41%) Primavera
Cloud Services
1 60 (24.90%) Trello
2 41 (17.01%) GitHub
3 28 (11.62%) Amazon AWS
4 23 (9.54%) AWS CloudFormation
5 20 (8.30%) IaaS
6 17 (7.05%) Microsoft Azure
7 8 (3.32%) Cloud Computing
7 8 (3.32%) Dropbox
7 8 (3.32%) Heroku
8 6 (2.49%) Office 365
8 6 (2.49%) PaaS
8 6 (2.49%) Serverless
9 5 (2.07%) Amazon EC2
9 5 (2.07%) Amazon S3
9 5 (2.07%) AWS Lambda
9 5 (2.07%) SaaS
10 3 (1.24%) G Suite
10 3 (1.24%) Yammer
11 2 (0.83%) Akamai
11 2 (0.83%) Google Analytics
Communications & Networking
1 32 (13.28%) HTTP
2 13 (5.39%) TCP/IP
3 7 (2.90%) Skype
4 2 (0.83%) Firewall
4 2 (0.83%) Internet
4 2 (0.83%) VPN
5 1 (0.41%) ATM
5 1 (0.41%) DHCP
5 1 (0.41%) DNS
5 1 (0.41%) Intranet
5 1 (0.41%) SMS
5 1 (0.41%) VLAN
Database & Business Intelligence
1 77 (31.95%) PostgreSQL
2 76 (31.54%) MongoDB
3 71 (29.46%) MySQL
4 65 (26.97%) NoSQL
5 30 (12.45%) Apache Cassandra
6 15 (6.22%) Big Data
7 9 (3.73%) BusinessObjects
7 9 (3.73%) Data Mining
7 9 (3.73%) Geospatial Data
8 8 (3.32%) Redis
9 7 (2.90%) Amazon RDS
10 5 (2.07%) Apache Hive
11 4 (1.66%) Hadoop
12 1 (0.41%) Aerospike
12 1 (0.41%) Amazon DynamoDB
12 1 (0.41%) HDInsight
12 1 (0.41%) Power BI
12 1 (0.41%) ZAP BI
Development Applications
1 173 (71.78%) JIRA
2 125 (51.87%) Git (software)
3 102 (42.32%) Jenkins
4 58 (24.07%) Cucumber
5 33 (13.69%) SonarQube
6 32 (13.28%) JUnit
7 28 (11.62%) Jasmine
8 20 (8.30%) Maven
9 18 (7.47%) Sonatype Nexus
9 18 (7.47%) TeamCity
10 17 (7.05%) Atlassian Bamboo
11 16 (6.64%) git-flow
12 14 (5.81%) JMeter
13 12 (4.98%) Burp Suite
13 12 (4.98%) HP UFT
13 12 (4.98%) LoadRunner
14 7 (2.90%) Axure RP
14 7 (2.90%) Codeship
15 4 (1.66%) Bitbucket
15 4 (1.66%) Selenium
General
1 16 (6.64%) Finance
2 12 (4.98%) Telecoms
3 8 (3.32%) Billing
4 5 (2.07%) Multimedia
5 4 (1.66%) Marketing
5 4 (1.66%) Retail
6 3 (1.24%) Banking
6 3 (1.24%) Publishing
7 1 (0.41%) Advertising
7 1 (0.41%) Electronics
7 1 (0.41%) Local Government
7 1 (0.41%) Manufacturing
Job Titles
1 52 (21.58%) Developer
2 50 (20.75%) DevOps Engineer
3 40 (16.60%) Software Engineer
4 29 (12.03%) Java Developer
4 29 (12.03%) Java Engineer
5 27 (11.20%) Java Software Engineer
5 27 (11.20%) Linux DevOps Engineer
5 27 (11.20%) Linux Engineer
5 27 (11.20%) Linux/Unix DevOps
6 25 (10.37%) Senior DevOps
6 25 (10.37%) Senior DevOps Engineer
7 22 (9.13%) Analyst
8 20 (8.30%) Senior Linux Engineer
9 18 (7.47%) Architect
9 18 (7.47%) Designer
10 17 (7.05%) JavaScript Engineer
11 15 (6.22%) Java Software Developer
12 14 (5.81%) JavaScript Developer
12 14 (5.81%) Mobile Designer
12 14 (5.81%) Software Developer
Libraries, Frameworks & Software Standards
1 83 (34.44%) REST
2 64 (26.56%) Node.js
3 17 (7.05%) Spring
4 16 (6.64%) HTML
5 14 (5.81%) Material Design
6 12 (4.98%) CSS
6 12 (4.98%) XML
7 11 (4.56%) pytest
8 9 (3.73%) HTML5
9 8 (3.32%) JSON
9 8 (3.32%) Spring MVC
10 7 (2.90%) React
10 7 (2.90%) Sidekiq
11 6 (2.49%) AngularJS
11 6 (2.49%) CSS3
12 5 (2.07%) Elastic Stack
12 5 (2.07%) Kafka
13 4 (1.66%) Cascading
13 4 (1.66%) Flask
13 4 (1.66%) Jinja
Miscellaneous
1 32 (13.28%) Clustering
2 29 (12.03%) Public Cloud
3 15 (6.22%) Mobile App
4 11 (4.56%) User Experience
5 8 (3.32%) Enterprise Software
6 4 (1.66%) Analytical Skills
6 4 (1.66%) Blog
6 4 (1.66%) NHS
6 4 (1.66%) Reference Data
7 3 (1.24%) Greenfield Project
8 1 (0.41%) Animation
8 1 (0.41%) BYOD
8 1 (0.41%) Computer Science
8 1 (0.41%) Digital Media
8 1 (0.41%) Embedded Systems
8 1 (0.41%) PKI
8 1 (0.41%) RIA
8 1 (0.41%) Virtual Team
Operating Systems
1 96 (39.83%) Linux
2 79 (32.78%) Red Hat Enterprise Linux
3 16 (6.64%) Windows
4 15 (6.22%) Android
4 15 (6.22%) Apple iOS
Processes & Methodologies
1 113 (46.89%) Microservices
2 112 (46.47%) Agile Software Development
3 97 (40.25%) Mentoring
4 94 (39.00%) Coaching
5 84 (34.85%) BDD
6 83 (34.44%) Test Automation
7 80 (33.20%) Software Engineering
8 79 (32.78%) DevOps
9 71 (29.46%) TDD
10 69 (28.63%) Continuous Integration
11 67 (27.80%) User Stories
12 65 (26.97%) SFIA
13 63 (26.14%) Scrum
14 58 (24.07%) Configuration Management
15 56 (23.24%) Continuous Delivery
15 56 (23.24%) Open Source
16 47 (19.50%) SDLC
17 39 (16.18%) Kanban
18 33 (13.69%) Load Balancing
19 32 (13.28%) Static Code Analysis
Programming Languages
1 82 (34.02%) JavaScript
2 80 (33.20%) SQL
3 77 (31.95%) Java
4 56 (23.24%) Python
5 49 (20.33%) Bash Shell
6 22 (9.13%) Perl
7 17 (7.05%) Groovy
8 10 (4.15%) Shell Script
9 5 (2.07%) VB
10 4 (1.66%) C#
10 4 (1.66%) HiveQL
10 4 (1.66%) PHP
10 4 (1.66%) VBA
11 3 (1.24%) Apex Code
11 3 (1.24%) Scala
12 2 (0.83%) C
13 1 (0.41%) PL/SQL
13 1 (0.41%) PowerShell
13 1 (0.41%) R
13 1 (0.41%) TypeScript
Qualifications
1 11 (4.56%) Security Cleared
2 10 (4.15%) BPSS Clearance
3 8 (3.32%) SC Cleared
4 4 (1.66%) AWS Certification
5 3 (1.24%) Degree
6 2 (0.83%) DV Cleared
7 1 (0.41%) CTC Cleared
Quality Assurance & Compliance
1 12 (4.98%) WCAG
2 10 (4.15%) Data Quality
3 7 (2.90%) QA
4 2 (0.83%) Disclosure Scotland
5 1 (0.41%) PMO
System Software
1 65 (26.97%) Docker
2 10 (4.15%) Hyper-V
2 10 (4.15%) VMware Infrastructure
3 8 (3.32%) Xen
4 4 (1.66%) Apache Flume
5 1 (0.41%) Virtual Machines
5 1 (0.41%) VirtualBox
Systems Management
1 56 (23.24%) Puppet
2 42 (17.43%) Ansible
3 33 (13.69%) Opscode Chef
4 24 (9.96%) Terraform
5 12 (4.98%) Nessus
6 11 (4.56%) Salt
7 10 (4.15%) Kubernetes
8 9 (3.73%) Rancher
9 4 (1.66%) Oozie
10 1 (0.41%) Grafana
10 1 (0.41%) Graylog
Vendors
1 30 (12.45%) Red Hat
2 21 (8.71%) Microsoft
3 11 (4.56%) Google
3 11 (4.56%) VMware
4 8 (3.32%) ServiceNow
5 4 (1.66%) IBM
5 4 (1.66%) MapR
5 4 (1.66%) SAP
5 4 (1.66%) Splunk
6 3 (1.24%) Assembla
6 3 (1.24%) Atlassian
6 3 (1.24%) Progress
6 3 (1.24%) Salesforce.com
7 2 (0.83%) New Relic
7 2 (0.83%) Pega
8 1 (0.41%) AppDynamics
8 1 (0.41%) Databricks
8 1 (0.41%) hybris
8 1 (0.41%) Sitecore
8 1 (0.41%) ThinPrint