Period
to 4 August 2020

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Continuous Integration skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Continuous Integration over the 6 months to 4 August 2020 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.

Continuous Integration
Central London > City of London
6 months to
4 Aug 2020
Same period 2019 Same period 2018
Rank 46 63 44
Rank change year-on-year +17 -19 -2
Contract jobs citing Continuous Integration 113 238 368
As % of all contract jobs advertised in the City of London 4.93% 3.65% 5.24%
As % of the Processes & Methodologies category 5.60% 4.06% 5.94%
Number of daily rates quoted 98 182 308
Median daily rate £525 £550 £550
Median daily rate % change year-on-year -4.55% - +7.58%
10th Percentile £431 £450 £423
90th Percentile £638 £675 £688
Central London median daily rate £525 £550 £535
% change year-on-year -4.55% +2.80% +7.00%
Number of hourly rates quoted 0 0 2
Median hourly rate - - £32.00
Central London median hourly rate - - £32.00

Continuous Integration 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 the City of London with a requirement for process or methodology skills.

All Process and Methodology Skills
City of London
Contract vacancies with a requirement for process or methodology skills 2,017 5,863 6,191
As % of all contract IT jobs advertised in the City of London 87.93% 89.99% 88.12%
Number of daily rates quoted 1,406 4,578 4,888
Median daily rate £525 £525 £513
Median daily rate % change year-on-year - +2.44% +2.50%
10th Percentile £338 £350 £330
90th Percentile £675 £675 £688
Central London median daily rate £513 £525 £500
% change year-on-year -2.38% +5.00% -
Number of hourly rates quoted 44 73 106
Median hourly rate £35.00 £20.50 £18.70
Median hourly rate % change year-on-year +70.73% +9.63% -6.50%
10th Percentile £12.58 £11.25 £13.12
90th Percentile £51.08 £55.95 £33.00
Median hourly rate £35.00 £20.92 £18.70
% change year-on-year +67.34% +11.84% +0.05%

Continuous Integration
Job Vacancy Trend in the City of London

Job postings citing Continuous Integration as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for Continuous Integration in the City of London

Continuous Integration
Contractor Daily Rate Trend in the City of London

3-month moving average daily rate quoted in jobs citing Continuous Integration in the City of London.

Daily rate trend for Continuous Integration in the City of London

Continuous Integration
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Continuous Integration in the City of London over the 6 months to 4 August 2020.

Daily rate histogram for Continuous Integration in the City of London

Continuous Integration
Contractor Hourly Rate Trend in the City of London

3-month moving average hourly rates quoted in jobs citing Continuous Integration in the City of London.

Hourly rate trend for Continuous Integration in the City of London

For the 6 months to 4 August 2020, IT contractor jobs citing Continuous Integration 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 City of London region with a requirement for Continuous Integration.

1 62 (54.87%) Agile Software Development
2 48 (42.48%) DevOps
3 44 (38.94%) Docker
4 42 (37.17%) Kubernetes
4 42 (37.17%) AWS
5 41 (36.28%) Java
6 40 (35.40%) Python
7 36 (31.86%) Azure
8 35 (30.97%) Git (software)
9 34 (30.09%) Jenkins
10 33 (29.20%) Microservices
11 32 (28.32%) Continuous Delivery
12 31 (27.43%) JavaScript
13 29 (25.66%) Test Automation
14 26 (23.01%) TDD
15 25 (22.12%) Finance
15 25 (22.12%) Terraform
16 21 (18.58%) GCP
16 21 (18.58%) Ansible
17 19 (16.81%) GitHub
17 19 (16.81%) SDLC
17 19 (16.81%) HTML
18 18 (15.93%) SQL
18 18 (15.93%) CSS
19 17 (15.04%) Linux
19 17 (15.04%) Scrum
19 17 (15.04%) Continuous Deployment
20 16 (14.16%) Infrastructure as Code
20 16 (14.16%) .NET
20 16 (14.16%) QA

Continuous Integration
Co-occurring IT Skills in the City of 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 10 (8.85%) Elasticsearch
2 8 (7.08%) Apache Spark
3 6 (5.31%) Confluence
4 5 (4.42%) SharePoint
5 4 (3.54%) Tornado
6 2 (1.77%) nginx
6 2 (1.77%) Tomcat
7 1 (0.88%) Apache
7 1 (0.88%) CMS
7 1 (0.88%) IIS
Business Applications
1 2 (1.77%) Dynamics CRM
2 1 (0.88%) SAP Business ByDesign
Cloud Services
1 42 (37.17%) AWS
2 36 (31.86%) Azure
3 21 (18.58%) GCP
4 19 (16.81%) GitHub
5 10 (8.85%) Serverless
6 9 (7.96%) AWS Lambda
7 7 (6.19%) Amazon EC2
8 6 (5.31%) Amazon S3
8 6 (5.31%) AWS CloudFormation
9 5 (4.42%) Virtual Private Cloud
10 4 (3.54%) Amazon ECS
10 4 (3.54%) Amazon EKS
10 4 (3.54%) IaaS
10 4 (3.54%) PaaS
10 4 (3.54%) Route 53
11 3 (2.65%) Amazon CloudWatch
11 3 (2.65%) npm
12 2 (1.77%) Amazon ELB
12 2 (1.77%) Datadog
12 2 (1.77%) Power Platform
Communications & Networking
1 10 (8.85%) SSL
2 8 (7.08%) HTTPS
3 7 (6.19%) DNS
4 5 (4.42%) HTTP
5 4 (3.54%) DHCP
6 2 (1.77%) Intrusion Detection
6 2 (1.77%) TCP/IP
6 2 (1.77%) VPN
7 1 (0.88%) Firewall
7 1 (0.88%) Kerberos
Database & Business Intelligence
1 13 (11.50%) NoSQL
2 9 (7.96%) Big Data
2 9 (7.96%) SQL Server
3 8 (7.08%) PostgreSQL
4 5 (4.42%) Apache Hive
5 4 (3.54%) Amazon RDS
6 3 (2.65%) Amazon Redshift
6 3 (2.65%) MySQL
6 3 (2.65%) Redis
7 2 (1.77%) Hadoop
7 2 (1.77%) Impala
7 2 (1.77%) Power BI
7 2 (1.77%) RDBMS
7 2 (1.77%) Relational Database
7 2 (1.77%) SQL Server 2017
8 1 (0.88%) Amazon Athena
8 1 (0.88%) Amazon DynamoDB
8 1 (0.88%) BigQuery
8 1 (0.88%) Data Lake
8 1 (0.88%) MariaDB
Development Applications
1 35 (30.97%) Git (software)
2 34 (30.09%) Jenkins
3 10 (8.85%) JIRA
4 9 (7.96%) Sonatype Nexus
4 9 (7.96%) TeamCity
5 7 (6.19%) Visual Studio
6 6 (5.31%) Android Studio
7 5 (4.42%) GitLab
8 4 (3.54%) Cucumber
8 4 (3.54%) git-flow
8 4 (3.54%) Hudson
8 4 (3.54%) JUnit
8 4 (3.54%) Maven
8 4 (3.54%) ProC
8 4 (3.54%) Selenium
9 3 (2.65%) Ant
9 3 (2.65%) Bitbucket Server
9 3 (2.65%) Octopus Deploy
9 3 (2.65%) Visual Studio Team System
10 2 (1.77%) TestCafe
General
1 25 (22.12%) Finance
2 11 (9.73%) Banking
3 2 (1.77%) Front Office
3 2 (1.77%) Investment Banking
3 2 (1.77%) Retail
4 1 (0.88%) Advertising
4 1 (0.88%) Back Office
4 1 (0.88%) International Banking
4 1 (0.88%) Law
4 1 (0.88%) Legal
4 1 (0.88%) Public Sector
4 1 (0.88%) Publishing
Job Titles
1 52 (46.02%) Developer
2 20 (17.70%) DevOps Engineer
3 15 (13.27%) Java Developer
4 12 (10.62%) AWS Engineer
5 9 (7.96%) AWS DevOps
5 9 (7.96%) Data Engineer
6 8 (7.08%) AWS DevOps Engineer
7 6 (5.31%) Angular Developer
7 6 (5.31%) Azure Engineer
7 6 (5.31%) Linux Engineer
7 6 (5.31%) Python Developer
7 6 (5.31%) Python Engineer
8 5 (4.42%) Architect
8 5 (4.42%) AWS Developer
8 5 (4.42%) Azure DevOps
8 5 (4.42%) Azure DevOps Engineer
8 5 (4.42%) Cloud Engineer
8 5 (4.42%) Full Stack Developer
8 5 (4.42%) React Developer
9 4 (3.54%) Analyst
Libraries, Frameworks & Software Standards
1 19 (16.81%) HTML
2 18 (15.93%) CSS
3 16 (14.16%) .NET
4 14 (12.39%) Node.js
4 14 (12.39%) Spring
5 13 (11.50%) AngularJS
5 13 (11.50%) RESTful
6 12 (10.62%) React
7 11 (9.73%) HTML5
8 10 (8.85%) REST
9 8 (7.08%) Guice
9 8 (7.08%) JAAS
9 8 (7.08%) Kafka
9 8 (7.08%) Spring Security
10 7 (6.19%) Web Services
11 6 (5.31%) .NET Core
11 6 (5.31%) Android SDK
11 6 (5.31%) CSS3
11 6 (5.31%) Jest
11 6 (5.31%) Redux
Miscellaneous
1 10 (8.85%) User Experience
2 6 (5.31%) Mobile App
3 5 (4.42%) Cloud Native
4 4 (3.54%) Analytical Skills
4 4 (3.54%) Greenfield Project
5 3 (2.65%) Algorithms
5 3 (2.65%) Clustering
5 3 (2.65%) Credit Risk
5 3 (2.65%) Market Risk
5 3 (2.65%) Mobile Payment
5 3 (2.65%) N-Tier
5 3 (2.65%) Public Cloud
5 3 (2.65%) Self-Motivation
5 3 (2.65%) Video on Demand
5 3 (2.65%) Virtual Team
6 2 (1.77%) Data Structures
6 2 (1.77%) Enterprise Software
6 2 (1.77%) Linux Command Line
6 2 (1.77%) Management Information System
7 1 (0.88%) Equities
Operating Systems
1 17 (15.04%) Linux
2 11 (9.73%) Unix
3 7 (6.19%) Android
3 7 (6.19%) Windows
4 3 (2.65%) Red Hat Enterprise Linux
5 1 (0.88%) CentOS
5 1 (0.88%) Mac OS
Processes & Methodologies
1 62 (54.87%) Agile Software Development
2 48 (42.48%) DevOps
3 33 (29.20%) Microservices
4 32 (28.32%) Continuous Delivery
5 29 (25.66%) Test Automation
6 26 (23.01%) TDD
7 19 (16.81%) SDLC
8 17 (15.04%) Continuous Deployment
8 17 (15.04%) Scrum
9 16 (14.16%) Infrastructure as Code
10 12 (10.62%) Pair Programming
11 11 (9.73%) Analytics
11 11 (9.73%) High Availability
12 10 (8.85%) Dependency Injection
12 10 (8.85%) Open Source
12 10 (8.85%) Problem-Solving
13 9 (7.96%) Configuration Management
13 9 (7.96%) OO
14 8 (7.08%) BDD
14 8 (7.08%) Software Engineering
Programming Languages
1 41 (36.28%) Java
2 40 (35.40%) Python
3 31 (27.43%) JavaScript
4 18 (15.93%) SQL
5 14 (12.39%) C#
6 11 (9.73%) Scala
7 10 (8.85%) Bash Shell
8 8 (7.08%) Java 8
8 8 (7.08%) Ruby
8 8 (7.08%) TypeScript
9 6 (5.31%) ES6
9 6 (5.31%) Kotlin
9 6 (5.31%) PowerShell
10 5 (4.42%) C
10 5 (4.42%) R
11 4 (3.54%) Go
11 4 (3.54%) Perl
11 4 (3.54%) PHP
11 4 (3.54%) Shell Script
12 3 (2.65%) ES7
Qualifications
1 6 (5.31%) Security Cleared
2 5 (4.42%) SC Cleared
3 4 (3.54%) Degree
4 3 (2.65%) ISTQB
5 2 (1.77%) AWS Certification
5 2 (1.77%) Computer Science Degree
5 2 (1.77%) ISEB
5 2 (1.77%) Microsoft Certification
6 1 (0.88%) BPSS Clearance
6 1 (0.88%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 16 (14.16%) QA
System Software
1 44 (38.94%) Docker
2 2 (1.77%) Veritas Cluster Server
3 1 (0.88%) Active Directory
Systems Management
1 42 (37.17%) Kubernetes
2 25 (22.12%) Terraform
3 21 (18.58%) Ansible
4 12 (10.62%) Puppet
5 10 (8.85%) Opscode Chef
6 7 (6.19%) Prometheus
7 4 (3.54%) Kubeflow
7 4 (3.54%) Salt
8 3 (2.65%) logstash
8 3 (2.65%) Zipkin
9 2 (1.77%) Graphite
9 2 (1.77%) Kibana
9 2 (1.77%) Nagios
9 2 (1.77%) Pacemaker
9 2 (1.77%) Packer
10 1 (0.88%) Consul
Vendors
1 15 (13.27%) Microsoft
2 9 (7.96%) Google
3 6 (5.31%) Cloudera
4 5 (4.42%) Databricks
4 5 (4.42%) Hortonworks
4 5 (4.42%) SaltStack
5 3 (2.65%) Atlassian
5 3 (2.65%) Cadence
6 2 (1.77%) Lets Encrypt
6 2 (1.77%) Red Hat
6 2 (1.77%) Salesforce.com
6 2 (1.77%) Tableau
6 2 (1.77%) Veritas
7 1 (0.88%) Axway
7 1 (0.88%) HubSpot
7 1 (0.88%) Nintex
7 1 (0.88%) Oracle
7 1 (0.88%) SAP
7 1 (0.88%) Sybase