Period
to 27 January 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 27 January 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
27 Jan 2021
Same period 2020 Same period 2019
Rank 46 49 36
Rank change year-on-year +3 -13 0
Contract jobs citing Continuous Integration 89 206 366
As % of all contract jobs advertised in the City of London 4.20% 4.23% 5.44%
As % of the Processes & Methodologies category 4.70% 4.80% 6.15%
Number of daily rates quoted 72 171 280
Median daily rate £568 £575 £538
Median daily rate % change year-on-year -1.30% +6.98% +2.38%
10th Percentile £421 £450 £413
90th Percentile £720 £725 £664
Central London median daily rate £550 £571 £535
% change year-on-year -3.72% +6.78% +1.90%
Number of hourly rates quoted 0 2 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 1,895 4,296 5,952
As % of all contract IT jobs advertised in the City of London 89.34% 88.23% 88.43%
Number of daily rates quoted 1,421 3,349 4,684
Median daily rate £525 £513 £513
Median daily rate % change year-on-year +2.44% - +2.50%
10th Percentile £313 £317 £314
90th Percentile £688 £688 £675
Central London median daily rate £515 £510 £513
% change year-on-year +0.98% -0.49% +2.50%
Number of hourly rates quoted 21 47 62
Median hourly rate £26.50 £20.00 £19.00
Median hourly rate % change year-on-year +32.50% +5.26% +1.60%
10th Percentile £13.54 £12.02 £13.00
90th Percentile £46.00 £52.25 £32.75
Median hourly rate £27.00 £21.00 £19.25
% change year-on-year +28.57% +9.09% -6.10%

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 January 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 27 January 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 58 (65.17%) Agile Software Development
2 48 (53.93%) Java
3 37 (41.57%) JavaScript
4 36 (40.45%) TDD
4 36 (40.45%) Jenkins
5 31 (34.83%) Microservices
6 30 (33.71%) Banking
7 28 (31.46%) Finance
7 28 (31.46%) REST
8 27 (30.34%) AWS
9 26 (29.21%) Python
10 24 (26.97%) HTML
11 23 (25.84%) Git (software)
12 22 (24.72%) AngularJS
13 21 (23.60%) OO
14 20 (22.47%) Spring
14 20 (22.47%) Multithreading
15 18 (20.22%) Azure
15 18 (20.22%) Scrum
15 18 (20.22%) Linux
16 17 (19.10%) Test Automation
16 17 (19.10%) DevOps
16 17 (19.10%) Continuous Delivery
17 16 (17.98%) Software Engineering
18 15 (16.85%) SQL
18 15 (16.85%) SQL Server
18 15 (16.85%) jQuery
18 15 (16.85%) Java 8
19 14 (15.73%) React
19 14 (15.73%) 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 (7.87%) Apache
1 7 (7.87%) Red Hat Fuse
2 4 (4.49%) Apache Spark
2 4 (4.49%) Confluence
2 4 (4.49%) Elasticsearch
2 4 (4.49%) SharePoint
3 2 (2.25%) Oracle Coherence
3 2 (2.25%) Tornado
4 1 (1.12%) Camunda
4 1 (1.12%) Cloud Foundry
4 1 (1.12%) CMS
4 1 (1.12%) OpenStack
4 1 (1.12%) Oracle SOA Suite
4 1 (1.12%) SAS
4 1 (1.12%) Umbraco
4 1 (1.12%) WebSphere
Applications
1 2 (2.25%) Microsoft Excel
Business Applications
1 1 (1.12%) Dynamics CRM
1 1 (1.12%) Temenos T24
1 1 (1.12%) thinkFolio
Cloud Services
1 27 (30.34%) AWS
2 18 (20.22%) Azure
3 7 (7.87%) AWS CloudFormation
4 6 (6.74%) PaaS
5 5 (5.62%) Power Platform
6 4 (4.49%) Amazon ECS
6 4 (4.49%) Amazon ElastiCache
6 4 (4.49%) Amazon Kinesis
6 4 (4.49%) Amazon S3
6 4 (4.49%) Amazon SQS
6 4 (4.49%) Azure Active Directory
6 4 (4.49%) GCP
6 4 (4.49%) SaaS
6 4 (4.49%) Virtual Private Cloud
7 2 (2.25%) AWS CodePipeline
7 2 (2.25%) IaaS
8 1 (1.12%) Amazon CloudWatch
8 1 (1.12%) GitHub
8 1 (1.12%) OpenShift
8 1 (1.12%) Serverless
Communications & Networking
1 2 (2.25%) DECT
1 2 (2.25%) IPv4
1 2 (2.25%) IPv6
1 2 (2.25%) Multicast
1 2 (2.25%) PPP
1 2 (2.25%) UPnP
1 2 (2.25%) Wi-Fi
2 1 (1.12%) Broadband
2 1 (1.12%) HTTPS
2 1 (1.12%) Internet
Database & Business Intelligence
1 15 (16.85%) SQL Server
2 11 (12.36%) Relational Database
3 7 (7.87%) PostgreSQL
3 7 (7.87%) RDBMS
4 5 (5.62%) Power BI
5 4 (4.49%) Big Data
6 3 (3.37%) Apache Hive
6 3 (3.37%) Hadoop
6 3 (3.37%) SQL Server Integration Services
7 2 (2.25%) Apache Cassandra
7 2 (2.25%) Data Lake
7 2 (2.25%) Oracle Database
7 2 (2.25%) Redis
7 2 (2.25%) SQLite
8 1 (1.12%) Amazon DynamoDB
8 1 (1.12%) Data Warehouse
8 1 (1.12%) HBase
8 1 (1.12%) MySQL
8 1 (1.12%) NoSQL
8 1 (1.12%) Pentaho
Development Applications
1 36 (40.45%) Jenkins
2 23 (25.84%) Git (software)
3 10 (11.24%) JUnit
4 8 (8.99%) TeamCity
5 7 (7.87%) JIRA
5 7 (7.87%) Mockito
5 7 (7.87%) MSBuild
6 6 (6.74%) Maven
7 4 (4.49%) Cucumber
7 4 (4.49%) GitLab
7 4 (4.49%) Hudson
7 4 (4.49%) Octopus Deploy
7 4 (4.49%) Selenium
8 3 (3.37%) gulp
9 2 (2.25%) Bitbucket
9 2 (2.25%) GDB
9 2 (2.25%) Grunt
9 2 (2.25%) ProC
10 1 (1.12%) IntelliJ
10 1 (1.12%) Visual Studio Team System
General
1 30 (33.71%) Banking
2 28 (31.46%) Finance
3 9 (10.11%) Back Office
4 4 (4.49%) Advertising
5 3 (3.37%) Front Office
6 2 (2.25%) French Language
6 2 (2.25%) Games
6 2 (2.25%) Investment Banking
6 2 (2.25%) Public Sector
7 1 (1.12%) Financial Institution
7 1 (1.12%) International Banking
7 1 (1.12%) Legal
7 1 (1.12%) Publishing
7 1 (1.12%) Retail
7 1 (1.12%) Telecoms
Job Titles
1 58 (65.17%) Developer
2 22 (24.72%) Java Developer
3 10 (11.24%) Full Stack Developer
4 8 (8.99%) Angular Developer
4 8 (8.99%) DevOps Engineer
5 7 (7.87%) .NET Developer
5 7 (7.87%) C# .NET Developer
5 7 (7.87%) C# Developer
6 5 (5.62%) Applications Developer
6 5 (5.62%) Architect
6 5 (5.62%) AWS Developer
6 5 (5.62%) Software Engineer
6 5 (5.62%) SQL Developer
6 5 (5.62%) SQL Server Developer
7 4 (4.49%) Analyst
7 4 (4.49%) Analyst Developer
7 4 (4.49%) AWS Engineer
7 4 (4.49%) Data Engineer
7 4 (4.49%) Developer/Software Engineer
7 4 (4.49%) Solutions Architect
Libraries, Frameworks & Software Standards
1 28 (31.46%) REST
2 24 (26.97%) HTML
3 22 (24.72%) AngularJS
4 20 (22.47%) Spring
5 15 (16.85%) jQuery
6 14 (15.73%) HTML5
6 14 (15.73%) React
7 13 (14.61%) CSS
8 12 (13.48%) .NET
9 11 (12.36%) JMS
10 10 (11.24%) Kafka
10 10 (11.24%) Spring Boot
11 9 (10.11%) JDBC
12 8 (8.99%) Redux
13 7 (7.87%) Apache Camel
13 7 (7.87%) Entity Framework
13 7 (7.87%) Hibernate
13 7 (7.87%) JSF
13 7 (7.87%) Node.js
13 7 (7.87%) OSGi
Miscellaneous
1 11 (12.36%) Clustering
1 11 (12.36%) Enterprise Software
2 5 (5.62%) Greenfield Project
3 4 (4.49%) Data Structures
4 3 (3.37%) Algorithms
4 3 (3.37%) Analytical Skills
4 3 (3.37%) Blog
4 3 (3.37%) Fixed Income
4 3 (3.37%) Mobile App
4 3 (3.37%) Self-Motivation
5 2 (2.25%) Cloud Native
5 2 (2.25%) Credit Risk
5 2 (2.25%) Embedded Systems
5 2 (2.25%) Foreign Exchange (FX)
5 2 (2.25%) Market Risk
5 2 (2.25%) Over-the-Top Content
6 1 (1.12%) Analytical Mindset
6 1 (1.12%) Private Cloud
6 1 (1.12%) Public Cloud
6 1 (1.12%) User Experience
Operating Systems
1 18 (20.22%) Linux
2 9 (10.11%) Android
3 4 (4.49%) CentOS
3 4 (4.49%) Unix
4 3 (3.37%) Apple iOS
4 3 (3.37%) Ubuntu
4 3 (3.37%) Windows
5 2 (2.25%) OpenWrt
5 2 (2.25%) Red Hat Enterprise Linux
6 1 (1.12%) Debian
6 1 (1.12%) Mac OS
Processes & Methodologies
1 58 (65.17%) Agile Software Development
2 36 (40.45%) TDD
3 31 (34.83%) Microservices
4 21 (23.60%) OO
5 20 (22.47%) Multithreading
6 18 (20.22%) Scrum
7 17 (19.10%) Continuous Delivery
7 17 (19.10%) DevOps
7 17 (19.10%) Test Automation
8 16 (17.98%) Software Engineering
9 13 (14.61%) High Availability
10 12 (13.48%) BDD
10 12 (13.48%) Open Source
10 12 (13.48%) Performance Tuning
11 11 (12.36%) Continuous Deployment
11 11 (12.36%) Pair Programming
11 11 (12.36%) Scalability Testing
11 11 (12.36%) Web Development
12 9 (10.11%) Configuration Management
12 9 (10.11%) Extreme Programming
Programming Languages
1 48 (53.93%) Java
2 37 (41.57%) JavaScript
3 26 (29.21%) Python
4 15 (16.85%) Java 8
4 15 (16.85%) SQL
5 12 (13.48%) C#
6 11 (12.36%) Kotlin
7 8 (8.99%) TypeScript
8 7 (7.87%) Bash Shell
8 7 (7.87%) PowerShell
8 7 (7.87%) Scala
9 6 (6.74%) Ruby
10 4 (4.49%) Go
10 4 (4.49%) PL/SQL
10 4 (4.49%) Shell Script
11 3 (3.37%) C
11 3 (3.37%) C++
11 3 (3.37%) ES6
12 2 (2.25%) ActionScript
12 2 (2.25%) R
Qualifications
1 5 (5.62%) Degree
2 4 (4.49%) SC Cleared
2 4 (4.49%) Security Cleared
3 3 (3.37%) AWS Certification
4 2 (2.25%) Computer Science Degree
Quality Assurance & Compliance
1 8 (8.99%) QA
2 3 (3.37%) MiFID
3 2 (2.25%) JTAG
System Software
1 11 (12.36%) Docker
2 4 (4.49%) Active Directory
3 2 (2.25%) Apache ZooKeeper
3 2 (2.25%) etcd
3 2 (2.25%) Varnish
4 1 (1.12%) HDFS
Systems Management
1 12 (13.48%) Kubernetes
2 11 (12.36%) Terraform
3 9 (10.11%) Ansible
4 5 (5.62%) Consul
5 2 (2.25%) Grafana
5 2 (2.25%) Opscode Chef
5 2 (2.25%) Prometheus
5 2 (2.25%) Puppet
5 2 (2.25%) Rundeck
6 1 (1.12%) Kibana
6 1 (1.12%) logstash
6 1 (1.12%) Pingdom
Vendors
1 13 (14.61%) Oracle
2 6 (6.74%) Microsoft
3 3 (3.37%) Google
4 2 (2.25%) Cloudera
4 2 (2.25%) Hortonworks
4 2 (2.25%) Roku
5 1 (1.12%) AppDynamics
5 1 (1.12%) Atlassian
5 1 (1.12%) Bloomberg
5 1 (1.12%) CheckPoint
5 1 (1.12%) Databricks
5 1 (1.12%) Dynatrace
5 1 (1.12%) IBM
5 1 (1.12%) Informatica
5 1 (1.12%) New Relic
5 1 (1.12%) PagerDuty
5 1 (1.12%) Red Hat
5 1 (1.12%) Salesforce.com
5 1 (1.12%) Splunk
5 1 (1.12%) Talend