Period
to 30 July 2021

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 30 July 2021 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
30 Jul 2021
Same period 2020 Same period 2019
Rank 41 44 63
Rank change year-on-year +3 +19 -19
Contract jobs citing Continuous Integration 175 116 246
As % of all contract jobs advertised in the City of London 5.08% 4.93% 3.76%
As % of the Processes & Methodologies category 5.59% 5.58% 4.15%
Number of daily rates quoted 112 96 190
10th Percentile £478 £428 £450
25th Percentile £520 £488 £475
Median daily rate (50th Percentile) £613 £525 £550
Median % change year-on-year +16.67% -4.55% -
75th Percentile £650 £625 £625
90th Percentile £718 £650 £680
Central London median daily rate £613 £525 £550
% change year-on-year +16.67% -4.55% +3.77%
Number of hourly rates quoted 0 0 1
Median hourly rate - - £10.50
Central London median hourly rate - - £10.50

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 3,132 2,079 5,924
As % of all contract IT jobs advertised in the City of London 90.97% 88.43% 90.48%
Number of daily rates quoted 2,300 1,539 4,651
10th Percentile £363 £342 £350
25th Percentile £450 £425 £425
Median daily rate (50th Percentile) £550 £525 £525
Median % change year-on-year +4.76% - +2.44%
75th Percentile £644 £603 £600
90th Percentile £725 £688 £675
Central London median daily rate £550 £513 £525
% change year-on-year +7.32% -2.38% +5.00%
Number of hourly rates quoted 37 40 69
10th Percentile £10.10 £12.49 £11.25
25th Percentile £14.25 £14.88 £12.76
Median hourly rate £23.45 £35.75 £19.00
Median % change year-on-year -34.41% +88.16% +1.60%
75th Percentile £33.75 £44.28 £37.50
90th Percentile £53.80 £52.90 £47.30
Central London median hourly rate £22.50 £34.59 £19.50
% change year-on-year -34.95% +77.37% +4.28%

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 30 July 2021.

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 30 July 2021, 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.

1 107 (61.14%) Agile Software Development
2 97 (55.43%) TDD
3 84 (48.00%) Azure
4 69 (39.43%) AngularJS
5 64 (36.57%) C#
6 61 (34.86%) TypeScript
7 60 (34.29%) .NET
8 57 (32.57%) DevOps
9 55 (31.43%) SQL
10 54 (30.86%) Java
10 54 (30.86%) JavaScript
10 54 (30.86%) Git (software)
11 50 (28.57%) Banking
12 49 (28.00%) Finance
12 49 (28.00%) AWS
13 44 (25.14%) Microservices
14 40 (22.86%) Jenkins
15 39 (22.29%) React
16 37 (21.14%) Social Skills
16 37 (21.14%) Investment Banking
17 35 (20.00%) Continuous Improvement
18 33 (18.86%) SQL Server
19 31 (17.71%) Visual Studio
19 31 (17.71%) Software Engineering
20 30 (17.14%) Front Office
20 30 (17.14%) QA
20 30 (17.14%) Analytics
20 30 (17.14%) Continuous Deployment
21 29 (16.57%) PowerShell
22 28 (16.00%) BDD

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 23 (13.14%) SharePoint
2 7 (4.00%) Apache
3 6 (3.43%) Apache Spark
3 6 (3.43%) Oracle SOA Suite
3 6 (3.43%) Red Hat Fuse
4 5 (2.86%) CMS
5 4 (2.29%) Confluence
6 2 (1.14%) Adobe Experience Manager
6 2 (1.14%) Apache Airflow
6 2 (1.14%) Tornado
6 2 (1.14%) WebLogic
7 1 (0.57%) NServiceBus
7 1 (0.57%) Oracle Coherence
7 1 (0.57%) Oracle Service Bus
7 1 (0.57%) SharePoint 2013
7 1 (0.57%) Tomcat
7 1 (0.57%) WebLogic Portal
Applications
1 2 (1.14%) Microsoft Excel
Business Applications
1 1 (0.57%) Oracle BPM
Cloud Services
1 84 (48.00%) Azure
2 49 (28.00%) AWS
3 23 (13.14%) Azure Active Directory
4 22 (12.57%) Power Platform
5 14 (8.00%) GitHub
6 7 (4.00%) GCP
7 5 (2.86%) npm
7 5 (2.86%) Serverless
8 4 (2.29%) Amazon ECS
8 4 (2.29%) AWS CloudFormation
8 4 (2.29%) SaaS
9 3 (1.71%) Amazon CloudWatch
10 2 (1.14%) AWS Lambda
10 2 (1.14%) Cloud Computing
10 2 (1.14%) IaaS
11 1 (0.57%) Amazon EC2
11 1 (0.57%) Amazon S3
11 1 (0.57%) Amazon SQS
11 1 (0.57%) Heroku
11 1 (0.57%) PaaS
Database & Business Intelligence
1 33 (18.86%) SQL Server
2 22 (12.57%) Power BI
3 13 (7.43%) Relational Database
4 8 (4.57%) NoSQL
5 7 (4.00%) MongoDB
5 7 (4.00%) SQL Server Integration Services
6 6 (3.43%) Big Data
7 3 (1.71%) Couchbase
7 3 (1.71%) Data Warehouse
7 3 (1.71%) Hadoop
8 2 (1.14%) Apache Hive
8 2 (1.14%) Microsoft Analysis Services
8 2 (1.14%) MySQL
8 2 (1.14%) Oracle Database
8 2 (1.14%) Oracle Database 11g
8 2 (1.14%) Oracle Database 12c
8 2 (1.14%) PostgreSQL
8 2 (1.14%) RDBMS
8 2 (1.14%) SQL Server Analysis Services
8 2 (1.14%) SSDT
Development Applications
1 54 (30.86%) Git (software)
2 40 (22.86%) Jenkins
3 31 (17.71%) Visual Studio
4 23 (13.14%) Octopus Deploy
5 20 (11.43%) JIRA
6 13 (7.43%) Maven
7 8 (4.57%) IntelliJ
7 8 (4.57%) Jasmine
7 8 (4.57%) Karma Test Runner
7 8 (4.57%) TeamCity
8 7 (4.00%) Eclipse
9 6 (3.43%) JSUnit
10 5 (2.86%) GitLab
11 3 (1.71%) Hudson
11 3 (1.71%) SpecFlow
11 3 (1.71%) Travis CI
12 2 (1.14%) Cypress.io
12 2 (1.14%) MSTest
12 2 (1.14%) Selenium
12 2 (1.14%) Team Foundation Server
General
1 50 (28.57%) Banking
2 49 (28.00%) Finance
3 37 (21.14%) Investment Banking
3 37 (21.14%) Social Skills
4 30 (17.14%) Front Office
5 7 (4.00%) Retail
6 5 (2.86%) Public Sector
7 3 (1.71%) Games
8 2 (1.14%) Analytical Skills
8 2 (1.14%) Back Office
9 1 (0.57%) Financial Institution
9 1 (0.57%) International Banking
9 1 (0.57%) Legal
9 1 (0.57%) Marketing
9 1 (0.57%) Organisational Skills
9 1 (0.57%) Publishing
Job Titles
1 110 (62.86%) Developer
2 34 (19.43%) C# Developer
3 30 (17.14%) Java Developer
4 22 (12.57%) Technical Leader
5 11 (6.29%) Front Office Developer
5 11 (6.29%) Python Developer
6 9 (5.14%) Architect
6 9 (5.14%) React Developer
6 9 (5.14%) Senior Developer
7 7 (4.00%) Solutions Architect
8 6 (3.43%) C# Developer - Commodities
8 6 (3.43%) DevOps Engineer
8 6 (3.43%) Java Architect
8 6 (3.43%) Java Solutions Architect
8 6 (3.43%) JavaScript Developer
9 5 (2.86%) Full Stack Developer
9 5 (2.86%) iOS Developer
10 4 (2.29%) Angular Developer
10 4 (2.29%) Node.js Developer
10 4 (2.29%) Scala Developer
Libraries, Frameworks & Software Standards
1 69 (39.43%) AngularJS
2 60 (34.29%) .NET
3 39 (22.29%) React
4 25 (14.29%) HTML
5 24 (13.71%) Spring
6 22 (12.57%) ASP.NET
6 22 (12.57%) ASP.NET Core
7 19 (10.86%) RESTful
8 18 (10.29%) HTML5
9 16 (9.14%) Node.js
10 14 (8.00%) REST
10 14 (8.00%) Web Services
11 13 (7.43%) CSS
11 13 (7.43%) Kafka
12 12 (6.86%) JMS
12 12 (6.86%) jQuery
13 10 (5.71%) Redux
13 10 (5.71%) Spring Boot
14 9 (5.14%) Hibernate
15 7 (4.00%) Middleware
Miscellaneous
1 27 (15.43%) Derivative
2 26 (14.86%) Interest Rate Derivative
3 22 (12.57%) Greenfield Project
4 11 (6.29%) Enterprise Software
5 9 (5.14%) Clustering
6 8 (4.57%) Algorithms
6 8 (4.57%) User Experience
7 6 (3.43%) Mobile App
8 5 (2.86%) Legacy Systems
9 4 (2.29%) Data Structures
10 3 (1.71%) Client/Server
10 3 (1.71%) Management Information System
10 3 (1.71%) Market Risk
10 3 (1.71%) Private Cloud
11 2 (1.14%) N-Tier
11 2 (1.14%) Public Cloud
12 1 (0.57%) Embedded Systems
12 1 (0.57%) Legacy Applications
12 1 (0.57%) Self-Motivation
12 1 (0.57%) Virtual Team
Operating Systems
1 17 (9.71%) Linux
2 9 (5.14%) Apple iOS
3 6 (3.43%) Android
4 2 (1.14%) Red Hat Enterprise Linux
4 2 (1.14%) Unix
5 1 (0.57%) OpenWrt
5 1 (0.57%) VMS
5 1 (0.57%) Windows
5 1 (0.57%) Windows Server
Processes & Methodologies
1 107 (61.14%) Agile Software Development
2 97 (55.43%) TDD
3 57 (32.57%) DevOps
4 44 (25.14%) Microservices
5 35 (20.00%) Continuous Improvement
6 31 (17.71%) Software Engineering
7 30 (17.14%) Analytics
7 30 (17.14%) Continuous Deployment
8 28 (16.00%) BDD
9 27 (15.43%) Scrum
10 25 (14.29%) Business Intelligence
10 25 (14.29%) Mentoring
11 24 (13.71%) Scaled Agile Framework
12 20 (11.43%) Test Automation
12 20 (11.43%) Unit Testing
13 19 (10.86%) Web Development
14 17 (9.71%) Continuous Delivery
14 17 (9.71%) High Availability
15 16 (9.14%) Performance Tuning
16 15 (8.57%) OO
Programming Languages
1 64 (36.57%) C#
2 61 (34.86%) TypeScript
3 55 (31.43%) SQL
4 54 (30.86%) Java
4 54 (30.86%) JavaScript
5 29 (16.57%) PowerShell
6 23 (13.14%) Python
7 16 (9.14%) Java 8
8 8 (4.57%) Bash Shell
8 8 (4.57%) Go
9 6 (3.43%) Java 11
10 5 (2.86%) ES6
10 5 (2.86%) PL/SQL
11 4 (2.29%) Apple Swift
11 4 (2.29%) Scala
12 3 (1.71%) C++
12 3 (1.71%) Ruby
13 2 (1.14%) C
13 2 (1.14%) T-SQL
13 2 (1.14%) VBA
Qualifications
1 6 (3.43%) Security Cleared
2 5 (2.86%) Degree
3 2 (1.14%) SC Cleared
4 1 (0.57%) AWS Certification
4 1 (0.57%) DV Cleared
4 1 (0.57%) PMI Certification
Quality Assurance & Compliance
1 30 (17.14%) QA
2 3 (1.71%) Accessibility
3 1 (0.57%) SLA
3 1 (0.57%) Solvency II
System Software
1 23 (13.14%) Active Directory
2 20 (11.43%) Docker
3 5 (2.86%) VMware Infrastructure
4 2 (1.14%) HDFS
Systems Management
1 8 (4.57%) Kubernetes
2 5 (2.86%) vRealize
2 5 (2.86%) vRealize Orchestrator
3 4 (2.29%) Ansible
3 4 (2.29%) Grafana
3 4 (2.29%) Terraform
4 2 (1.14%) Ambari
4 2 (1.14%) Hadoop YARN
4 2 (1.14%) Prometheus
5 1 (0.57%) ITRS Geneos
Vendors
1 27 (15.43%) Microsoft
2 19 (10.86%) Oracle
3 5 (2.86%) Google
3 5 (2.86%) VMware
4 4 (2.29%) Juniper
5 3 (1.71%) Xamarin
6 2 (1.14%) Adobe
6 2 (1.14%) Cisco
6 2 (1.14%) Cloudera
6 2 (1.14%) F5
6 2 (1.14%) IBM
6 2 (1.14%) Red Hat
6 2 (1.14%) Rollbar
6 2 (1.14%) Splunk
7 1 (0.57%) Databricks
7 1 (0.57%) Dell
7 1 (0.57%) Salesforce.com
7 1 (0.57%) TIBCO