Period
to 27 October 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 27 October 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
27 Oct 2020
Same period 2019 Same period 2018
Rank 40 47 40
Rank change year-on-year +7 -7 +7
Contract jobs citing Continuous Integration 86 253 373
As % of all contract jobs advertised in the City of London 4.78% 4.26% 5.34%
As % of the Processes & Methodologies category 5.43% 4.73% 6.12%
Number of daily rates quoted 66 197 321
Median daily rate £525 £550 £525
Median daily rate % change year-on-year -4.55% +4.76% +5.00%
10th Percentile £428 £450 £413
90th Percentile £638 £688 £650
Central London median daily rate £520 £550 £525
% change year-on-year -5.45% +4.76% +5.00%
Number of hourly rates quoted 0 1 0
Median hourly rate - £48.50 -
Central London median hourly rate - £48.50 -

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 1,583 5,348 6,099
As % of all contract IT jobs advertised in the City of London 87.94% 90.06% 87.30%
Number of daily rates quoted 1,129 4,216 4,846
Median daily rate £513 £525 £505
Median daily rate % change year-on-year -2.38% +3.96% +1.00%
10th Percentile £313 £325 £325
90th Percentile £675 £675 £675
Central London median daily rate £513 £513 £500
% change year-on-year - +2.50% -
Number of hourly rates quoted 30 63 98
Median hourly rate £32.00 £19.50 £18.70
Median hourly rate % change year-on-year +64.10% +4.28% +4.76%
10th Percentile £14.95 £12.00 £13.00
90th Percentile £47.75 £52.05 £28.25
Median hourly rate £32.00 £20.00 £18.70
% change year-on-year +60.00% +6.95% -

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 27 October 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 27 October 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 53 (61.63%) Agile Software Development
2 43 (50.00%) Java
3 36 (41.86%) Jenkins
4 33 (38.37%) Microservices
4 33 (38.37%) Python
5 32 (37.21%) Banking
6 31 (36.05%) Finance
6 31 (36.05%) JavaScript
7 26 (30.23%) Git (software)
8 25 (29.07%) HTML
9 24 (27.91%) DevOps
10 23 (26.74%) AWS
11 22 (25.58%) REST
11 22 (25.58%) TDD
12 20 (23.26%) Azure
13 19 (22.09%) Linux
13 19 (22.09%) Docker
13 19 (22.09%) AngularJS
13 19 (22.09%) Kubernetes
14 18 (20.93%) Ansible
14 18 (20.93%) Spring
14 18 (20.93%) Scrum
15 17 (19.77%) CSS
15 17 (19.77%) High Availability
16 16 (18.60%) Test Automation
16 16 (18.60%) Terraform
17 15 (17.44%) Continuous Delivery
17 15 (17.44%) Open Source
17 15 (17.44%) SQL
18 14 (16.28%) HTML5

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 7 (8.14%) Apache
1 7 (8.14%) Elasticsearch
2 6 (6.98%) Apache Spark
2 6 (6.98%) Red Hat Fuse
3 5 (5.81%) Tornado
4 4 (4.65%) Confluence
4 4 (4.65%) SharePoint
5 2 (2.33%) nginx
6 1 (1.16%) Cloud Foundry
6 1 (1.16%) CMS
6 1 (1.16%) Oracle SOA Suite
Applications
1 1 (1.16%) Microsoft Excel
Business Applications
1 2 (2.33%) Dynamics CRM
2 1 (1.16%) Temenos T24
2 1 (1.16%) thinkFolio
Cloud Services
1 23 (26.74%) AWS
2 20 (23.26%) Azure
3 11 (12.79%) GCP
4 8 (9.30%) AWS CloudFormation
5 6 (6.98%) GitHub
5 6 (6.98%) PaaS
6 5 (5.81%) Amazon ECS
7 4 (4.65%) IaaS
8 3 (3.49%) Amazon ElastiCache
8 3 (3.49%) Amazon Kinesis
8 3 (3.49%) AWS Lambda
8 3 (3.49%) SaaS
8 3 (3.49%) Serverless
9 2 (2.33%) Amazon CloudWatch
9 2 (2.33%) Amazon EC2
9 2 (2.33%) AWS CodePipeline
9 2 (2.33%) Power Platform
9 2 (2.33%) Virtual Private Cloud
10 1 (1.16%) AWS CloudTrail
10 1 (1.16%) Datadog
Communications & Networking
1 5 (5.81%) DNS
2 4 (4.65%) DHCP
3 3 (3.49%) HTTPS
4 2 (2.33%) HTTP
4 2 (2.33%) SSL
5 1 (1.16%) Internet
5 1 (1.16%) Kerberos
Database & Business Intelligence
1 13 (15.12%) SQL Server
2 10 (11.63%) Relational Database
3 8 (9.30%) PostgreSQL
4 7 (8.14%) Big Data
4 7 (8.14%) RDBMS
5 6 (6.98%) Apache Hive
5 6 (6.98%) NoSQL
6 3 (3.49%) Redis
6 3 (3.49%) SQL Server Integration Services
7 2 (2.33%) Amazon Redshift
7 2 (2.33%) Apache Cassandra
7 2 (2.33%) Power BI
8 1 (1.16%) BigQuery
8 1 (1.16%) Data Warehouse
8 1 (1.16%) Hadoop
8 1 (1.16%) MongoDB
8 1 (1.16%) MySQL
8 1 (1.16%) SQL Server 2008
8 1 (1.16%) Sybase ASE
8 1 (1.16%) Tableau
Development Applications
1 36 (41.86%) Jenkins
2 26 (30.23%) Git (software)
3 11 (12.79%) TeamCity
4 7 (8.14%) Hudson
5 6 (6.98%) GitLab
5 6 (6.98%) JIRA
5 6 (6.98%) MSBuild
6 5 (5.81%) ProC
7 4 (4.65%) Cucumber
7 4 (4.65%) JUnit
7 4 (4.65%) Maven
8 3 (3.49%) Android Studio
8 3 (3.49%) Selenium
8 3 (3.49%) Sonatype Nexus
8 3 (3.49%) Visual Studio Team System
9 2 (2.33%) Bitbucket Server
9 2 (2.33%) Codeship
9 2 (2.33%) Grunt
9 2 (2.33%) gulp
9 2 (2.33%) SonarQube
General
1 32 (37.21%) Banking
2 31 (36.05%) Finance
3 6 (6.98%) Back Office
4 2 (2.33%) Advertising
4 2 (2.33%) French Language
4 2 (2.33%) Front Office
4 2 (2.33%) Games
4 2 (2.33%) International Banking
5 1 (1.16%) Financial Institution
5 1 (1.16%) Investment Banking
5 1 (1.16%) Law
5 1 (1.16%) Retail
Job Titles
1 42 (48.84%) Developer
2 18 (20.93%) Java Developer
3 13 (15.12%) DevOps Engineer
4 9 (10.47%) Angular Developer
4 9 (10.47%) Full Stack Developer
5 7 (8.14%) .NET Developer
5 7 (8.14%) Architect
5 7 (8.14%) C# .NET Developer
5 7 (8.14%) C# Developer
5 7 (8.14%) Data Engineer
6 6 (6.98%) AWS Engineer
7 5 (5.81%) AWS Developer
7 5 (5.81%) AWS DevOps
7 5 (5.81%) AWS DevOps Engineer
7 5 (5.81%) Linux Engineer
7 5 (5.81%) Programmer
7 5 (5.81%) Python Developer
8 4 (4.65%) Android Developer
8 4 (4.65%) Java Architect
8 4 (4.65%) Java Engineer
Libraries, Frameworks & Software Standards
1 25 (29.07%) HTML
2 22 (25.58%) REST
3 19 (22.09%) AngularJS
4 18 (20.93%) Spring
5 17 (19.77%) CSS
6 14 (16.28%) HTML5
7 13 (15.12%) jQuery
8 11 (12.79%) .NET
9 9 (10.47%) Kafka
10 8 (9.30%) Flask
10 8 (9.30%) Spring Boot
11 7 (8.14%) Entity Framework
11 7 (8.14%) JMS
11 7 (8.14%) React
12 6 (6.98%) .NET Framework
12 6 (6.98%) Ajax
12 6 (6.98%) CSS3
12 6 (6.98%) GWT
12 6 (6.98%) JDBC
12 6 (6.98%) OSGi
Miscellaneous
1 11 (12.79%) Clustering
2 10 (11.63%) Enterprise Software
3 5 (5.81%) Algorithms
3 5 (5.81%) Analytical Skills
4 4 (4.65%) Blog
4 4 (4.65%) Credit Risk
4 4 (4.65%) Data Structures
4 4 (4.65%) Self-Motivation
4 4 (4.65%) User Experience
5 3 (3.49%) Fixed Income
5 3 (3.49%) Foreign Exchange (FX)
5 3 (3.49%) Market Risk
5 3 (3.49%) Mobile App
5 3 (3.49%) Video on Demand
6 2 (2.33%) Greenfield Project
6 2 (2.33%) N-Tier
6 2 (2.33%) Public Cloud
6 2 (2.33%) Virtual Team
7 1 (1.16%) Equities
7 1 (1.16%) Management Information System
Operating Systems
1 19 (22.09%) Linux
2 9 (10.47%) Unix
3 6 (6.98%) Android
4 4 (4.65%) Red Hat Enterprise Linux
5 2 (2.33%) Apple iOS
5 2 (2.33%) CentOS
6 1 (1.16%) Debian
6 1 (1.16%) Mac OS
6 1 (1.16%) Windows
Processes & Methodologies
1 53 (61.63%) Agile Software Development
2 33 (38.37%) Microservices
3 24 (27.91%) DevOps
4 22 (25.58%) TDD
5 18 (20.93%) Scrum
6 17 (19.77%) High Availability
7 16 (18.60%) Test Automation
8 15 (17.44%) Continuous Delivery
8 15 (17.44%) Open Source
9 13 (15.12%) Continuous Deployment
9 13 (15.12%) Multithreading
9 13 (15.12%) OO
10 11 (12.79%) Infrastructure as Code
11 10 (11.63%) BDD
11 10 (11.63%) Configuration Management
11 10 (11.63%) Performance Tuning
12 9 (10.47%) Scalability Testing
12 9 (10.47%) Unit Testing
12 9 (10.47%) Web Development
13 7 (8.14%) Computer Science
Programming Languages
1 43 (50.00%) Java
2 33 (38.37%) Python
3 31 (36.05%) JavaScript
4 15 (17.44%) SQL
5 12 (13.95%) C#
6 10 (11.63%) Java 8
7 8 (9.30%) Scala
8 6 (6.98%) TypeScript
9 5 (5.81%) Bash Shell
10 4 (4.65%) C
10 4 (4.65%) C++
10 4 (4.65%) Perl
10 4 (4.65%) Ruby
11 3 (3.49%) ES6
11 3 (3.49%) PowerShell
11 3 (3.49%) R
12 2 (2.33%) PHP
12 2 (2.33%) Shell Script
13 1 (1.16%) ActionScript
13 1 (1.16%) T-SQL
Qualifications
1 5 (5.81%) Degree
2 4 (4.65%) Computer Science Degree
2 4 (4.65%) SC Cleared
2 4 (4.65%) Security Cleared
3 3 (3.49%) AWS Certification
4 1 (1.16%) BPSS Clearance
Quality Assurance & Compliance
1 12 (13.95%) QA
2 3 (3.49%) MiFID
System Software
1 19 (22.09%) Docker
2 2 (2.33%) Apache ZooKeeper
2 2 (2.33%) etcd
2 2 (2.33%) Varnish
2 2 (2.33%) Veritas Cluster Server
3 1 (1.16%) Active Directory
Systems Management
1 19 (22.09%) Kubernetes
2 18 (20.93%) Ansible
3 16 (18.60%) Terraform
4 8 (9.30%) Opscode Chef
4 8 (9.30%) Puppet
5 4 (4.65%) Salt
6 3 (3.49%) Consul
7 2 (2.33%) logstash
7 2 (2.33%) Pacemaker
7 2 (2.33%) Packer
7 2 (2.33%) Rundeck
8 1 (1.16%) Grafana
8 1 (1.16%) Kibana
8 1 (1.16%) Kubeflow
8 1 (1.16%) Prometheus
Vendors
1 9 (10.47%) Oracle
2 8 (9.30%) Google
3 7 (8.14%) Cloudera
4 6 (6.98%) Hortonworks
4 6 (6.98%) Microsoft
5 5 (5.81%) SaltStack
6 3 (3.49%) Databricks
6 3 (3.49%) Red Hat
7 2 (2.33%) Cadence
7 2 (2.33%) Veritas
8 1 (1.16%) Atlassian
8 1 (1.16%) Axway
8 1 (1.16%) Bloomberg
8 1 (1.16%) Charles River
8 1 (1.16%) CheckPoint
8 1 (1.16%) IBM
8 1 (1.16%) Nintex
8 1 (1.16%) Salesforce.com
8 1 (1.16%) Splunk
8 1 (1.16%) Sybase