Period
to 21 September 2019

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for CircleCI skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited CircleCI over the 6 months to 21 September 2019 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.

CircleCI
Central London > City of London
6 months to
21 Sep 2019
Same period 2018 Same period 2017
Rank 211 241 247
Rank change year-on-year +30 +6 -5
Contract jobs citing CircleCI 24 18 3
As % of all contract IT jobs advertised in the City of London 0.39% 0.26% 0.044%
As % of the Development Applications category 2.26% 1.15% 0.23%
Number of daily rates quoted 21 18 3
City of London median daily rate £575 £525 £650
Median daily rate % change year-on-year +9.52% -19.23% -
10th Percentile £519 £421 £386
90th Percentile £688 £650 £780
Central London median daily rate £556 £525 £558
% change year-on-year +5.95% -5.83% +40.25%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

CircleCI is in the Development Applications 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 development application skills.

All Development Application Skills
City of London
Contract vacancies with a requirement for development application skills 1,060 1,571 1,330
As % of all contract IT jobs advertised in the City of London 17.10% 22.48% 19.59%
Number of daily rates quoted 806 1,296 1,023
City of London median daily rate £525 £500 £475
Median daily rate % change year-on-year +5.00% +5.26% -
10th Percentile £375 £363 £331
90th Percentile £675 £638 £625
Central London median daily rate £525 £500 £475
% change year-on-year +5.00% +5.26% -
Number of hourly rates quoted 4 3 2
City of London median hourly rate £36.75 £32.00 £24.99
Median hourly rate % change year-on-year +14.84% +28.04% -34.66%
10th Percentile £19.85 £31.00 £23.18
90th Percentile £91.90 £41.60 £27.11
Central London median hourly rate £36.75 £33.50 £27.75
% change year-on-year +9.70% +20.72% -27.45%

CircleCI
Job Vacancy Trend in the City of London

Job postings citing CircleCI as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for CircleCI in the City of London

CircleCI
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing CircleCI in the City of London.

Contractor daily rate trend for CircleCI in the City of London

CircleCI
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing CircleCI in the City of London over the 6 months to 21 September 2019.

Contractor daily rate histogram for CircleCI in the City of London

For the 6 months to 21 September 2019, IT contractor jobs citing CircleCI 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 CircleCI.

1 21 (87.50%) AWS
2 15 (62.50%) Node.js
3 14 (58.33%) Jenkins
4 13 (54.17%) JavaScript
4 13 (54.17%) Agile Software Development
5 12 (50.00%) Python
6 10 (41.67%) Java
6 10 (41.67%) Docker
6 10 (41.67%) DevOps
7 9 (37.50%) Microservices
7 9 (37.50%) Kubernetes
7 9 (37.50%) Sass
7 9 (37.50%) Terraform
7 9 (37.50%) GraphQL
7 9 (37.50%) Travis CI
8 8 (33.33%) AWS Lambda
8 8 (33.33%) Serverless
8 8 (33.33%) webpack
8 8 (33.33%) Ansible
8 8 (33.33%) Linux
8 8 (33.33%) Azure
8 8 (33.33%) RESTful
8 8 (33.33%) Web Development
9 7 (29.17%) Go
9 7 (29.17%) User Experience
10 6 (25.00%) Apple iOS
10 6 (25.00%) Heroku
10 6 (25.00%) BDD
10 6 (25.00%) TDD
10 6 (25.00%) Scrum

CircleCI
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 4 (16.67%) Confluence
1 4 (16.67%) Elasticsearch
Cloud Services
1 21 (87.50%) AWS
2 8 (33.33%) AWS Lambda
2 8 (33.33%) Azure
2 8 (33.33%) Serverless
3 6 (25.00%) Heroku
4 5 (20.83%) GitHub
5 4 (16.67%) Amazon Kinesis
5 4 (16.67%) Fastly
5 4 (16.67%) GCP
6 2 (8.33%) Amazon ECS
6 2 (8.33%) AWS CloudFormation
6 2 (8.33%) Google Analytics
6 2 (8.33%) Route 53
6 2 (8.33%) Virtual Private Cloud
7 1 (4.17%) Amazon CloudWatch
7 1 (4.17%) Amazon EKS
7 1 (4.17%) Datadog
7 1 (4.17%) SaaS
7 1 (4.17%) SpeedCurve
Communications & Networking
1 2 (8.33%) Firewall
Database & Business Intelligence
1 4 (16.67%) Amazon DynamoDB
1 4 (16.67%) Neo4j
1 4 (16.67%) Redis
2 2 (8.33%) Big Data
2 2 (8.33%) PostgreSQL
3 1 (4.17%) Geospatial Data
Development Applications
1 14 (58.33%) Jenkins
2 9 (37.50%) Travis CI
3 8 (33.33%) webpack
4 6 (25.00%) JIRA
5 4 (16.67%) Git (software)
5 4 (16.67%) Grunt
5 4 (16.67%) gulp
5 4 (16.67%) PostCSS
5 4 (16.67%) TeamCity
6 2 (8.33%) Artifactory
6 2 (8.33%) git-flow
6 2 (8.33%) Sonatype Nexus
7 1 (4.17%) GitLab
General
1 2 (8.33%) Finance
2 1 (4.17%) Banking
Job Titles
1 8 (33.33%) DevOps Engineer
2 7 (29.17%) Developer
3 4 (16.67%) Senior Software Engineer
3 4 (16.67%) Software Engineer
4 3 (12.50%) Python Developer
4 3 (12.50%) Senior Developer
5 2 (8.33%) Angular Developer
5 2 (8.33%) AWS DevOps
5 2 (8.33%) AWS DevOps Engineer
5 2 (8.33%) AWS Engineer
5 2 (8.33%) JavaScript Developer
5 2 (8.33%) Python Engineer
5 2 (8.33%) Senior JavaScript Developer
5 2 (8.33%) Technical Leader
6 1 (4.17%) Agile Developer
6 1 (4.17%) Backend Developer
6 1 (4.17%) DevSecOps Engineer
6 1 (4.17%) Digital Developer
6 1 (4.17%) Linux/Unix DevOps
6 1 (4.17%) Senior Agile Developer
Libraries, Frameworks & Software Standards
1 15 (62.50%) Node.js
2 9 (37.50%) GraphQL
2 9 (37.50%) Sass
3 8 (33.33%) RESTful
4 5 (20.83%) CSS
4 5 (20.83%) HTML
4 5 (20.83%) REST
5 4 (16.67%) AngularJS
5 4 (16.67%) Handlebars
5 4 (16.67%) LESS
5 4 (16.67%) Preactjs
5 4 (16.67%) SVG
5 4 (16.67%) VCL
5 4 (16.67%) Vue.js
6 2 (8.33%) Django
6 2 (8.33%) React
7 1 (4.17%) CSS3
7 1 (4.17%) Elastic Stack
7 1 (4.17%) Express
7 1 (4.17%) Kafka
Miscellaneous
1 7 (29.17%) User Experience
2 2 (8.33%) Foreign Exchange (FX)
3 1 (4.17%) Cloud Native
3 1 (4.17%) Greenfield Project
3 1 (4.17%) Mobile App
Operating Systems
1 8 (33.33%) Linux
2 6 (25.00%) Android
2 6 (25.00%) Apple iOS
3 4 (16.67%) Unix
4 1 (4.17%) CentOS
4 1 (4.17%) CoreOS
Processes & Methodologies
1 13 (54.17%) Agile Software Development
2 10 (41.67%) DevOps
3 9 (37.50%) Microservices
4 8 (33.33%) Web Development
5 6 (25.00%) BDD
5 6 (25.00%) Scrum
5 6 (25.00%) Software Engineering
5 6 (25.00%) TDD
6 5 (20.83%) Pair Programming
7 4 (16.67%) Creative Problem-Solving
7 4 (16.67%) Kanban
7 4 (16.67%) Mentoring
7 4 (16.67%) Problem-Solving
7 4 (16.67%) Software Delivery
7 4 (16.67%) Use Case
8 3 (12.50%) Mobile First
9 2 (8.33%) Computer Science
9 2 (8.33%) Refactoring
9 2 (8.33%) SDLC
9 2 (8.33%) Vulnerability Scanning
Programming Languages
1 13 (54.17%) JavaScript
2 12 (50.00%) Python
3 10 (41.67%) Java
4 7 (29.17%) Go
5 6 (25.00%) Ruby
6 4 (16.67%) Apple Swift
6 4 (16.67%) Kotlin
7 1 (4.17%) C#
7 1 (4.17%) ES6
7 1 (4.17%) PHP
7 1 (4.17%) Rust
7 1 (4.17%) Scala
7 1 (4.17%) SQL
Qualifications
1 5 (20.83%) AWS Certification
2 2 (8.33%) CISSP
2 2 (8.33%) Computer Science Degree
2 2 (8.33%) Degree
Quality Assurance & Compliance
1 2 (8.33%) NIST
1 2 (8.33%) NIST 800
2 1 (4.17%) QA
System Software
1 10 (41.67%) Docker
Systems Management
1 9 (37.50%) Kubernetes
1 9 (37.50%) Terraform
2 8 (33.33%) Ansible
3 5 (20.83%) Docker Swarm
3 5 (20.83%) Grafana
3 5 (20.83%) Rancher
4 4 (16.67%) Graphite
4 4 (16.67%) Opscode Chef
4 4 (16.67%) Puppet
5 1 (4.17%) Ganglia
5 1 (4.17%) Nagios
5 1 (4.17%) Opsgenie
5 1 (4.17%) Pingdom
5 1 (4.17%) VictorOps
5 1 (4.17%) ZABBIX
Vendors
1 6 (25.00%) Google
2 5 (20.83%) Splunk
3 4 (16.67%) SaltStack
4 2 (8.33%) Veracode
5 1 (4.17%) New Relic
5 1 (4.17%) PagerDuty