Period
to 25 February 2018

The following table provides summary statistics for contract job vacancies advertised in London with a requirement for High Availability skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited High Availability over the 6 months to 25 February 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.

High Availability
England > London
6 months to
25 Feb 2018
Same period 2017 Same period 2016
Rank 175 164 187
Rank change year-on-year -11 +23 +32
Contract jobs citing High Availability 701 686 617
As % of all contract IT jobs advertised in London 1.51% 1.67% 1.39%
As % of the Processes & Methodologies category 1.75% 1.95% 1.63%
Number of daily rates quoted 536 516 460
London median daily rate £538 £513 £475
Median daily rate % change year-on-year +4.88% +7.89% +5.56%
10th Percentile £406 £369 £350
90th Percentile £675 £675 £625
England median daily rate £508 £475 £441
% change year-on-year +6.84% +7.77% +3.71%
Number of hourly rates quoted 6 1 2
London median hourly rate £45.17 £20.00 £22.38
Median hourly rate % change year-on-year +125.83% -10.64% +9.48%
10th Percentile £41.48 £20.00 £17.20
90th Percentile £47.83 £20.00 £27.78
England median hourly rate £43.00 £41.00 £39.00
% change year-on-year +4.88% +5.13% +41.82%

High Availability is in the Processes and Methodologies 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 process or methodology skills.

All Process and Methodology Skills
London
Contract vacancies with a requirement for process or methodology skills 40,129 35,222 37,867
As % of all contract IT jobs advertised in London 86.66% 85.90% 85.07%
Number of daily rates quoted 29,272 25,345 27,124
London median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.56% -
10th Percentile £313 £313 £300
90th Percentile £675 £650 £645
England median daily rate £455 £438 £425
% change year-on-year +4.00% +2.94% +4.94%
Number of hourly rates quoted 468 398 459
London median hourly rate £22.75 £25.00 £19.92
Median hourly rate % change year-on-year -9.00% +25.53% +7.07%
10th Percentile £13.68 £12.25 £11.25
90th Percentile £53.58 £53.94 £50.20
England median hourly rate £24.56 £25.00 £23.42
% change year-on-year -1.76% +6.75% +14.24%

High Availability
Job Vacancy Trend in London

Job postings citing High Availability as a percentage of all IT jobs advertised in London.

Job vacancy trend for High Availability in London

High Availability
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for High Availability in London

High Availability
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing High Availability in London over the 6 months to 25 February 2018.

Contractor daily rate histogram for High Availability in London

High Availability
Contractor Hourly Rate Trend in London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing High Availability in London.

Contractor hourly rate trend for High Availability in London

High Availability
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 High Availability within the London region over the 6 months to 25 February 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
West London +35 85 £540 +8.00% 16
Central London -120 85 £525 -3.45% 27
South London -19 29 £500 +49.25% 1
East London -3 5 £500 -4.76% 6
North London -2 2 £375 -23.12% 1
High Availability
England

For the 6 months to 25 February 2018, IT contractor jobs citing High Availability 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 High Availability.

1 347 (49.50%) Agile Software Development
2 286 (40.80%) Java
3 249 (35.52%) TDD
4 203 (28.96%) DevOps
5 196 (27.96%) BDD
6 178 (25.39%) Continuous Integration
7 173 (24.68%) Linux
8 156 (22.25%) RESTful
9 150 (21.40%) Microservices
10 149 (21.26%) SQL
11 132 (18.83%) Amazon AWS
12 127 (18.12%) Pair Programming
13 124 (17.69%) Open Source
14 121 (17.26%) Git (software)
15 120 (17.12%) Kanban
16 116 (16.55%) Scrum
16 116 (16.55%) Finance
17 115 (16.41%) Low Latency
18 112 (15.98%) Unix
19 108 (15.41%) Web Services
20 107 (15.26%) Python
21 105 (14.98%) JavaScript
22 98 (13.98%) Continuous Delivery
23 94 (13.41%) Jenkins
24 91 (12.98%) NoSQL
25 88 (12.55%) Continuous Improvement
25 88 (12.55%) Scala
26 86 (12.27%) HTML
27 84 (11.98%) CSS
27 84 (11.98%) Node.js

High Availability
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 56 (7.99%) Elasticsearch
2 23 (3.28%) Apache
3 22 (3.14%) Confluence
4 16 (2.28%) Cloud Foundry
4 16 (2.28%) Tomcat
5 15 (2.14%) JBoss
6 14 (2.00%) IIS
6 14 (2.00%) OpenStack
7 9 (1.28%) WebSphere
7 9 (1.28%) WebSphere Application Server
8 7 (1.00%) Apache Spark
9 6 (0.86%) Apache Solr
9 6 (0.86%) SharePoint
10 4 (0.57%) CMS
10 4 (0.57%) Jetty
10 4 (0.57%) nginx
10 4 (0.57%) Skype for Business
11 3 (0.43%) GlassFish
11 3 (0.43%) WebLogic
12 2 (0.29%) MS Exchange
Applications
1 12 (1.71%) Spreadsheet
2 7 (1.00%) Microsoft Office
3 2 (0.29%) Microsoft Excel
4 1 (0.14%) EngageOne
4 1 (0.14%) Microsoft PowerPoint
4 1 (0.14%) MS Visio
Business Applications
1 2 (0.29%) Salesforce.com CRM
1 2 (0.29%) thinkFolio
1 2 (0.29%) Unit4 Business World
2 1 (0.14%) Dynamics CRM
2 1 (0.14%) Oracle Applications
2 1 (0.14%) Oracle EBS
2 1 (0.14%) Oracle iProcurement
Cloud Services
1 132 (18.83%) Amazon AWS
2 71 (10.13%) Microsoft Azure
3 34 (4.85%) Amazon EC2
4 23 (3.28%) GitHub
5 21 (3.00%) SaaS
6 19 (2.71%) Amazon S3
7 18 (2.57%) Office 365
8 15 (2.14%) Serverless
9 14 (2.00%) AWS Lambda
10 13 (1.85%) Cloud Computing
10 13 (1.85%) PaaS
11 12 (1.71%) npm
12 11 (1.57%) Amazon ELB
13 10 (1.43%) Heroku
13 10 (1.43%) IaaS
14 9 (1.28%) AWS CloudFormation
15 8 (1.14%) Amazon ElastiCache
15 8 (1.14%) Amazon Kinesis
15 8 (1.14%) Google Cloud Platform
16 7 (1.00%) Virtual Private Cloud
Communications & Networking
1 56 (7.99%) Firewall
2 41 (5.85%) DNS
3 37 (5.28%) TCP/IP
4 35 (4.99%) DHCP
5 34 (4.85%) Network Security
6 28 (3.99%) Internet
7 24 (3.42%) SAN
7 24 (3.42%) WAN
8 22 (3.14%) HTTP
8 22 (3.14%) VPN
9 20 (2.85%) LAN
10 19 (2.71%) Cisco ASA
11 17 (2.43%) VLAN
12 14 (2.00%) BGP
13 13 (1.85%) BIG-IP
13 13 (1.85%) F5 BIG-IP LTM
13 13 (1.85%) SSL
14 11 (1.57%) MPLS
15 10 (1.43%) EIGRP
15 10 (1.43%) iSCSI
Database & Business Intelligence
1 91 (12.98%) NoSQL
2 61 (8.70%) MongoDB
3 53 (7.56%) Apache Cassandra
4 52 (7.42%) Relational Database
5 48 (6.85%) SQL Server
6 40 (5.71%) Big Data
7 39 (5.56%) MySQL
8 27 (3.85%) PostgreSQL
9 26 (3.71%) Oracle Database
10 24 (3.42%) Amazon RDS
11 23 (3.28%) SQL Server Integration Services
11 23 (3.28%) SQL Server Reporting Services
12 19 (2.71%) Hadoop
13 17 (2.43%) SQL Server Analysis Services
14 16 (2.28%) SQL Server 2008
15 12 (1.71%) SQL Server 2016
16 10 (1.43%) RDBMS
16 10 (1.43%) SQL Server 2012
17 9 (1.28%) Redis
17 9 (1.28%) SQL Server 2014
Development Applications
1 121 (17.26%) Git (software)
2 94 (13.41%) Jenkins
3 51 (7.28%) Mockito
4 45 (6.42%) Cucumber
5 36 (5.14%) Maven
6 35 (4.99%) JIRA
7 21 (3.00%) JUnit
7 21 (3.00%) Subversion
8 13 (1.85%) Gradle
8 13 (1.85%) gulp
8 13 (1.85%) Hudson
8 13 (1.85%) IntelliJ
9 12 (1.71%) Grunt
9 12 (1.71%) webpack
10 9 (1.28%) TeamCity
11 6 (0.86%) WebDriver
12 5 (0.71%) Travis CI
13 4 (0.57%) Bitbucket
13 4 (0.57%) Octopus Deploy
13 4 (0.57%) Selenium
General
1 116 (16.55%) Finance
2 80 (11.41%) Banking
3 40 (5.71%) Front Office
4 34 (4.85%) Investment Banking
5 31 (4.42%) Games
6 26 (3.71%) Retail
7 24 (3.42%) Telecoms
8 14 (2.00%) Marketing
9 11 (1.57%) Law
10 7 (1.00%) Financial Institution
11 6 (0.86%) Back Office
12 5 (0.71%) Legal
12 5 (0.71%) Manufacturing
13 4 (0.57%) Electronics
14 3 (0.43%) Multimedia
14 3 (0.43%) Publishing
14 3 (0.43%) Retail Banking
15 2 (0.29%) Digital Economy
16 1 (0.14%) French Language
16 1 (0.14%) Spanish Language
Job Titles
1 319 (45.51%) Developer
2 155 (22.11%) Java Developer
3 82 (11.70%) Senior Developer
4 63 (8.99%) Architect
5 55 (7.85%) DevOps Engineer
6 51 (7.28%) Scala Developer
7 48 (6.85%) DBA
7 48 (6.85%) React Developer
8 43 (6.13%) JavaScript Developer
9 42 (5.99%) Agile Developer
10 39 (5.56%) Senior Java Developer
11 32 (4.56%) Electronic Trading Developer
12 30 (4.28%) Agile Java Developer
13 27 (3.85%) Network Engineer
14 24 (3.42%) Java Scala Developer
14 24 (3.42%) Oracle DBA
15 23 (3.28%) .NET Developer
15 23 (3.28%) Java Engineer
16 22 (3.14%) Solutions Architect
16 22 (3.14%) SQL DBA
Libraries, Frameworks & Software Standards
1 156 (22.25%) RESTful
2 108 (15.41%) Web Services
3 86 (12.27%) HTML
4 84 (11.98%) CSS
4 84 (11.98%) Node.js
5 82 (11.70%) AngularJS
6 79 (11.27%) Spring
7 72 (10.27%) HTML5
8 70 (9.99%) CSS3
9 67 (9.56%) REST
10 65 (9.27%) React
11 59 (8.42%) Akka
12 56 (7.99%) Elastic Stack
12 56 (7.99%) Kafka
13 46 (6.56%) JSON
14 43 (6.13%) .NET
15 41 (5.85%) XML
16 36 (5.14%) Hibernate
17 29 (4.14%) ASP.NET
18 28 (3.99%) Spring MVC
Miscellaneous
1 48 (6.85%) Data Centre
2 45 (6.42%) Clustering
3 34 (4.85%) Replication
4 32 (4.56%) Greenfield Project
5 27 (3.85%) Blog
5 27 (3.85%) Public Cloud
6 26 (3.71%) User Experience
7 25 (3.57%) Analytical Skills
7 25 (3.57%) Fixed Income
8 23 (3.28%) Data Structures
9 22 (3.14%) Foreign Exchange (FX)
10 19 (2.71%) Fintech
11 17 (2.43%) Virtual Team
12 15 (2.14%) Video on Demand
12 15 (2.14%) Video\Live Streaming
13 14 (2.00%) Computer Science
14 11 (1.57%) Device Driver
15 10 (1.43%) Enterprise Software
16 9 (1.28%) iPad
16 9 (1.28%) Linux Command Line
Operating Systems
1 173 (24.68%) Linux
2 112 (15.98%) Unix
3 79 (11.27%) Windows
4 32 (4.56%) Red Hat Enterprise Linux
4 32 (4.56%) Windows Server
5 24 (3.42%) Windows Server 2012
6 18 (2.57%) CentOS
7 17 (2.43%) Ubuntu
8 14 (2.00%) Windows Server 2003
9 9 (1.28%) Windows Server 2008
10 7 (1.00%) Solaris
11 6 (0.86%) Windows 10
12 5 (0.71%) Debian
12 5 (0.71%) Mac OS X
13 4 (0.57%) CoreOS
14 3 (0.43%) AIX
14 3 (0.43%) DC/OS
14 3 (0.43%) Windows 7
15 1 (0.14%) Windows XP
Processes & Methodologies
1 347 (49.50%) Agile Software Development
2 249 (35.52%) TDD
3 203 (28.96%) DevOps
4 196 (27.96%) BDD
5 178 (25.39%) Continuous Integration
6 150 (21.40%) Microservices
7 127 (18.12%) Pair Programming
8 124 (17.69%) Open Source
9 120 (17.12%) Kanban
10 116 (16.55%) Scrum
11 115 (16.41%) Low Latency
12 98 (13.98%) Continuous Delivery
13 88 (12.55%) Continuous Improvement
14 79 (11.27%) User Stories
15 69 (9.84%) Test Automation
16 68 (9.70%) Performance Tuning
17 65 (9.27%) Disaster Recovery
18 63 (8.99%) MVC
19 58 (8.27%) Migration
20 55 (7.85%) Configuration Management
Programming Languages
1 286 (40.80%) Java
2 149 (21.26%) SQL
3 107 (15.26%) Python
4 105 (14.98%) JavaScript
5 88 (12.55%) Scala
6 67 (9.56%) C#
7 46 (6.56%) Bash Shell
8 33 (4.71%) PowerShell
8 33 (4.71%) Ruby
9 27 (3.85%) C++
9 27 (3.85%) PL/SQL
9 27 (3.85%) Shell Script
10 24 (3.42%) ES6
11 23 (3.28%) Perl
12 16 (2.28%) Go
12 16 (2.28%) Groovy
13 13 (1.85%) Kotlin
14 9 (1.28%) T-SQL
15 8 (1.14%) TypeScript
16 7 (1.00%) PHP
Qualifications
1 42 (5.99%) Degree
2 41 (5.85%) Security Cleared
3 15 (2.14%) Cisco Certification
3 15 (2.14%) DV Cleared
4 14 (2.00%) SC Cleared
5 12 (1.71%) CCNP
6 9 (1.28%) VMware Certified Professional (VCP)
7 8 (1.14%) RHCE
8 7 (1.00%) Computer Science Degree
8 7 (1.00%) Microsoft Certification
9 5 (0.71%) BPSS Clearance
9 5 (0.71%) CCSE
9 5 (0.71%) ISTQB
9 5 (0.71%) VCP6
10 4 (0.57%) AWS Certification
10 4 (0.57%) CCIE
10 4 (0.57%) MCSE
11 3 (0.43%) CCSA
11 3 (0.43%) Master's Degree
11 3 (0.43%) MCSA
Quality Assurance & Compliance
1 65 (9.27%) QA
2 19 (2.71%) Data Quality
3 6 (0.86%) SLA
4 4 (0.57%) GCP
4 4 (0.57%) GDPR
4 4 (0.57%) PSD2
5 3 (0.43%) PCI DSS
5 3 (0.43%) Sarbanes-Oxley
6 2 (0.29%) AS 2805
6 2 (0.29%) COBIT
6 2 (0.29%) Disclosure Scotland
6 2 (0.29%) ISO 8583
6 2 (0.29%) ISO/IEC 27001
7 1 (0.14%) FIPS 140-2
7 1 (0.14%) Government Security Classifications
7 1 (0.14%) HMG Security Policy Framework
7 1 (0.14%) MiFID
System Software
1 84 (11.98%) Docker
2 41 (5.85%) Active Directory
3 38 (5.42%) VMware Infrastructure
4 24 (3.42%) Oracle RAC
5 18 (2.57%) Oracle Clusterware
6 15 (2.14%) vSphere
7 14 (2.00%) XenApp
8 12 (1.71%) VMware ESXi
9 7 (1.00%) NFS
9 7 (1.00%) ProxySG
10 6 (0.86%) DFS Replication
10 6 (0.86%) vCloud
11 5 (0.71%) Microsoft App-V
12 4 (0.57%) BitLocker
12 4 (0.57%) Hyper-V
12 4 (0.57%) Virtual Machines
13 3 (0.43%) Ceph
13 3 (0.43%) HDFS
13 3 (0.43%) KVM
13 3 (0.43%) Veritas Cluster Server
Systems Management
1 67 (9.56%) Ansible
2 62 (8.84%) Grafana
3 58 (8.27%) Kibana
3 58 (8.27%) logstash
4 47 (6.70%) Puppet
5 43 (6.13%) Opscode Chef
6 42 (5.99%) Kubernetes
7 21 (3.00%) Data Guard
8 20 (2.85%) Oracle RMAN
9 17 (2.43%) Oracle Flashback
9 17 (2.43%) Prometheus
10 14 (2.00%) Failover Clustering
11 11 (1.57%) Galera Cluster
11 11 (1.57%) Icinga
11 11 (1.57%) Nagios
11 11 (1.57%) Terraform
12 10 (1.43%) EMC VPLEX
12 10 (1.43%) vCenter Server
13 9 (1.28%) Salt
14 7 (1.00%) SCCM
Vendors
1 66 (9.42%) Splunk
2 59 (8.42%) VMware
3 58 (8.27%) AppDynamics
3 58 (8.27%) Cisco
4 52 (7.42%) Oracle
5 40 (5.71%) Microsoft
5 40 (5.71%) Red Hat
6 31 (4.42%) Citrix
7 21 (3.00%) F5
7 21 (3.00%) Juniper
8 20 (2.85%) CheckPoint
9 19 (2.71%) EMC
10 17 (2.43%) IBM
11 15 (2.14%) TIBCO
12 13 (1.85%) Dell
12 13 (1.85%) HP
13 11 (1.57%) Ivanti
14 10 (1.43%) Veritas
15 9 (1.28%) ATG
16 8 (1.14%) Blue Coat