Period
to 20 October 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 20 October 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
20 Oct 2021
Same period 2020 Same period 2019
Rank 50 40 52
Rank change year-on-year -10 +12 -9
Contract jobs citing Continuous Integration 154 86 248
As % of all contract jobs advertised in the City of London 3.96% 4.78% 4.18%
As % of the Processes & Methodologies category 4.35% 5.36% 4.61%
Number of daily rates quoted 107 68 200
10th Percentile £433 £429 £450
25th Percentile £519 £475 £500
Median daily rate (50th Percentile) £613 £548 £550
Median % change year-on-year +11.87% -0.45% +4.76%
75th Percentile £650 £626 £629
90th Percentile £735 £650 £703
Central London median daily rate £613 £530 £550
% change year-on-year +15.57% -3.64% +4.76%
Number of hourly rates quoted 0 0 1
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 3,544 1,604 5,377
As % of all contract IT jobs advertised in the City of London 91.15% 89.16% 90.69%
Number of daily rates quoted 2,666 1,205 4,277
10th Percentile £363 £313 £325
25th Percentile £463 £413 £425
Median daily rate (50th Percentile) £550 £520 £525
Median % change year-on-year +5.77% -0.95% +2.94%
75th Percentile £650 £600 £600
90th Percentile £750 £675 £680
Central London median daily rate £550 £515 £513
% change year-on-year +6.80% +0.49% +2.50%
Number of hourly rates quoted 36 30 62
10th Percentile £9.75 £14.95 £11.78
25th Percentile £18.81 £18.13 £12.76
Median hourly rate £30.00 £32.75 £17.75
Median % change year-on-year -8.40% +84.51% -5.08%
75th Percentile £42.38 £44.50 £25.94
90th Percentile £62.25 £47.75 £49.29
Central London median hourly rate £32.00 £32.00 £20.00
% 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 20 October 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 20 October 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 93 (60.39%) Agile Software Development
2 71 (46.10%) TDD
3 63 (40.91%) Git (software)
4 55 (35.71%) Finance
5 53 (34.42%) SQL
6 51 (33.12%) Azure
7 50 (32.47%) AWS
8 42 (27.27%) Java
9 41 (26.62%) Microservices
10 38 (24.68%) Jenkins
11 36 (23.38%) TypeScript
11 36 (23.38%) DevOps
12 35 (22.73%) C#
12 35 (22.73%) Banking
13 33 (21.43%) AngularJS
14 32 (20.78%) .NET
15 31 (20.13%) Visual Studio
16 30 (19.48%) Continuous Delivery
17 29 (18.83%) JavaScript
17 29 (18.83%) Investment Banking
18 27 (17.53%) BDD
18 27 (17.53%) Continuous Deployment
19 26 (16.88%) HTML
19 26 (16.88%) Scrum
20 23 (14.94%) Front Office
20 23 (14.94%) RESTful
20 23 (14.94%) Derivative
21 22 (14.29%) Interest Rate Derivative
21 22 (14.29%) Unit Testing
22 21 (13.64%) JIRA

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 (4.55%) Oracle SOA Suite
2 5 (3.25%) Apache Spark
2 5 (3.25%) Confluence
2 5 (3.25%) SharePoint
3 4 (2.60%) CMS
4 3 (1.95%) Tornado
5 2 (1.30%) SharePoint 2013
5 2 (1.30%) WebLogic
6 1 (0.65%) Apache
6 1 (0.65%) Apache Airflow
6 1 (0.65%) Elasticsearch
6 1 (0.65%) Oracle Coherence
6 1 (0.65%) Oracle Service Bus
6 1 (0.65%) Tomcat
6 1 (0.65%) WebLogic Portal
Applications
1 2 (1.30%) Microsoft Excel
2 1 (0.65%) Microsoft Project
Business Applications
1 1 (0.65%) Dynamics CRM
1 1 (0.65%) Oracle BPM
Cloud Services
1 51 (33.12%) Azure
2 50 (32.47%) AWS
3 18 (11.69%) GitHub
4 8 (5.19%) Serverless
5 6 (3.90%) AWS Lambda
5 6 (3.90%) GCP
6 4 (2.60%) AWS CloudFormation
6 4 (2.60%) npm
6 4 (2.60%) Power Automate
6 4 (2.60%) Power Platform
6 4 (2.60%) PowerApps
7 3 (1.95%) Amazon ECS
7 3 (1.95%) SaaS
8 2 (1.30%) Amazon CloudWatch
8 2 (1.30%) Amazon EC2
8 2 (1.30%) Amazon S3
8 2 (1.30%) Azure Active Directory
8 2 (1.30%) Cloud Computing
8 2 (1.30%) Heroku
8 2 (1.30%) PaaS
Communications & Networking
1 6 (3.90%) HTTP
2 5 (3.25%) HTTPS
3 2 (1.30%) DNS
4 1 (0.65%) Broadband
4 1 (0.65%) DECT
4 1 (0.65%) Firewall
4 1 (0.65%) IPv4
4 1 (0.65%) IPv6
4 1 (0.65%) Multicast
4 1 (0.65%) NAS
4 1 (0.65%) PPP
4 1 (0.65%) SAN
4 1 (0.65%) TCP/IP
4 1 (0.65%) UPnP
4 1 (0.65%) Wi-Fi
Database & Business Intelligence
1 20 (12.99%) SQL Server
2 19 (12.34%) NoSQL
3 13 (8.44%) MongoDB
4 7 (4.55%) Oracle Database
4 7 (4.55%) Relational Database
5 6 (3.90%) Big Data
5 6 (3.90%) Data Warehouse
6 5 (3.25%) SQL Server Analysis Services
6 5 (3.25%) SQL Server Integration Services
6 5 (3.25%) SSDT
7 4 (2.60%) Microsoft Analysis Services
8 3 (1.95%) Couchbase
8 3 (1.95%) MySQL
9 2 (1.30%) Amazon Athena
9 2 (1.30%) Data Lake
9 2 (1.30%) Oracle Database 11g
9 2 (1.30%) Oracle Database 12c
9 2 (1.30%) RDBMS
10 1 (0.65%) Hadoop
10 1 (0.65%) Power BI
Development Applications
1 63 (40.91%) Git (software)
2 38 (24.68%) Jenkins
3 31 (20.13%) Visual Studio
4 21 (13.64%) JIRA
5 13 (8.44%) Maven
6 9 (5.84%) Jasmine
7 8 (5.19%) Karma Test Runner
7 8 (5.19%) TeamCity
8 7 (4.55%) Team Foundation Server
9 6 (3.90%) Gatling
9 6 (3.90%) JSUnit
10 5 (3.25%) GitLab
10 5 (3.25%) IntelliJ
11 4 (2.60%) Eclipse
11 4 (2.60%) Selenium
12 3 (1.95%) Bitbucket
12 3 (1.95%) Cucumber
12 3 (1.95%) Hudson
12 3 (1.95%) Postman
12 3 (1.95%) Travis CI
General
1 55 (35.71%) Finance
2 35 (22.73%) Banking
3 29 (18.83%) Investment Banking
4 23 (14.94%) Front Office
5 15 (9.74%) Social Skills
6 5 (3.25%) Public Sector
6 5 (3.25%) Retail
7 4 (2.60%) Legal
7 4 (2.60%) Publishing
8 2 (1.30%) Financial Institution
9 1 (0.65%) Analytical Skills
9 1 (0.65%) Games
9 1 (0.65%) International Banking
9 1 (0.65%) Marketing
9 1 (0.65%) Military
9 1 (0.65%) Police
9 1 (0.65%) Presentation Skills
Job Titles
1 110 (71.43%) Developer
2 24 (15.58%) Java Developer
3 23 (14.94%) C# Developer
4 17 (11.04%) React Developer
5 10 (6.49%) Java Engineer
5 10 (6.49%) Python Developer
6 9 (5.84%) Mobile Developer
6 9 (5.84%) Scala Developer
7 8 (5.19%) DevOps Engineer
8 6 (3.90%) C# Developer - Commodities
8 6 (3.90%) Full Stack Developer
8 6 (3.90%) JavaScript Developer
8 6 (3.90%) Senior Developer
8 6 (3.90%) Software Engineer
9 5 (3.25%) Analyst
9 5 (3.25%) Analyst Developer
9 5 (3.25%) Front Office Developer
9 5 (3.25%) Java Software Engineer
9 5 (3.25%) Senior Java Software Engineer
9 5 (3.25%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 33 (21.43%) AngularJS
2 32 (20.78%) .NET
3 26 (16.88%) HTML
4 23 (14.94%) RESTful
5 21 (13.64%) CSS
6 20 (12.99%) Spring
7 18 (11.69%) Web Services
8 17 (11.04%) React
8 17 (11.04%) REST
9 16 (10.39%) HTML5
9 16 (10.39%) Spring Boot
10 15 (9.74%) Kafka
10 15 (9.74%) Node.js
11 12 (7.79%) React Native
12 11 (7.14%) jQuery
13 10 (6.49%) Redux
14 8 (5.19%) JMS
15 7 (4.55%) Sass
16 6 (3.90%) Jest
16 6 (3.90%) SOAP
Miscellaneous
1 23 (14.94%) Derivative
2 22 (14.29%) Interest Rate Derivative
3 16 (10.39%) User Experience
4 13 (8.44%) Mobile App
5 8 (5.19%) Management Information System
6 7 (4.55%) Algorithms
7 4 (2.60%) Data Structures
7 4 (2.60%) Legacy Systems
7 4 (2.60%) N-Tier
7 4 (2.60%) Public Cloud
8 3 (1.95%) Market Risk
8 3 (1.95%) Private Cloud
9 2 (1.30%) Clustering
9 2 (1.30%) Credit Risk
9 2 (1.30%) Embedded Systems
9 2 (1.30%) Enterprise Software
9 2 (1.30%) EPoS
9 2 (1.30%) Reference Data
10 1 (0.65%) Grid Computing
10 1 (0.65%) Replication
Operating Systems
1 15 (9.74%) Apple iOS
2 14 (9.09%) Android
3 11 (7.14%) Linux
4 2 (1.30%) OpenWrt
4 2 (1.30%) Red Hat Enterprise Linux
4 2 (1.30%) Windows
5 1 (0.65%) Unix
5 1 (0.65%) VMS
5 1 (0.65%) Windows Server
Processes & Methodologies
1 93 (60.39%) Agile Software Development
2 71 (46.10%) TDD
3 41 (26.62%) Microservices
4 36 (23.38%) DevOps
5 30 (19.48%) Continuous Delivery
6 27 (17.53%) BDD
6 27 (17.53%) Continuous Deployment
7 26 (16.88%) Scrum
8 22 (14.29%) Unit Testing
9 19 (12.34%) Test Automation
10 18 (11.69%) Clean Code
10 18 (11.69%) Software Engineering
11 17 (11.04%) Pair Programming
12 16 (10.39%) Coaching
13 15 (9.74%) Continuous Improvement
13 15 (9.74%) OOP
14 14 (9.09%) Scaled Agile Framework
14 14 (9.09%) User Stories
14 14 (9.09%) Web Development
15 13 (8.44%) OO
Programming Languages
1 53 (34.42%) SQL
2 42 (27.27%) Java
3 36 (23.38%) TypeScript
4 35 (22.73%) C#
5 29 (18.83%) JavaScript
6 21 (13.64%) Python
7 12 (7.79%) Apple Swift
8 11 (7.14%) Scala
9 9 (5.84%) Java 8
10 7 (4.55%) Bash Shell
10 7 (4.55%) Go
11 6 (3.90%) Ruby
12 5 (3.25%) Data Analysis Expressions (DAX)
12 5 (3.25%) PL/SQL
12 5 (3.25%) T-SQL
13 4 (2.60%) C
13 4 (2.60%) Java 11
13 4 (2.60%) PowerShell
14 3 (1.95%) C++
14 3 (1.95%) ES6
Qualifications
1 5 (3.25%) Security Cleared
2 3 (1.95%) Degree
2 3 (1.95%) SC Cleared
3 2 (1.30%) AWS Certification
4 1 (0.65%) ISEB
4 1 (0.65%) PMI Certification
Quality Assurance & Compliance
1 14 (9.09%) QA
2 5 (3.25%) Accessibility
3 2 (1.30%) WCAG
4 1 (0.65%) Data Quality
4 1 (0.65%) GDPR
4 1 (0.65%) IFRS
4 1 (0.65%) IFRS 9
4 1 (0.65%) JTAG
4 1 (0.65%) PCI DSS
4 1 (0.65%) SLA
4 1 (0.65%) Solvency II
System Software
1 21 (13.64%) Docker
2 3 (1.95%) Active Directory
3 1 (0.65%) LXC
3 1 (0.65%) NFS
3 1 (0.65%) Virtual Servers
3 1 (0.65%) VMware Infrastructure
Systems Management
1 14 (9.09%) Kubernetes
2 7 (4.55%) Grafana
2 7 (4.55%) Terraform
3 6 (3.90%) Ansible
3 6 (3.90%) Prometheus
4 2 (1.30%) Kibana
5 1 (0.65%) ITRS Geneos
5 1 (0.65%) Puppet
Vendors
1 20 (12.99%) Oracle
2 10 (6.49%) Microsoft
3 7 (4.55%) Google
4 5 (3.25%) Confluent
5 3 (1.95%) F5
5 3 (1.95%) IBM
5 3 (1.95%) Nintex
6 2 (1.30%) Cisco
6 2 (1.30%) Juniper
6 2 (1.30%) Red Hat
6 2 (1.30%) Splunk
6 2 (1.30%) Xamarin
7 1 (0.65%) Apple
7 1 (0.65%) Databricks
7 1 (0.65%) PagerDuty
7 1 (0.65%) Rollbar
7 1 (0.65%) SAP
7 1 (0.65%) Telerik
7 1 (0.65%) TIBCO
7 1 (0.65%) VMware