Period
to 21 October 2021

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for CircleCI skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited CircleCI over the 6 months to 21 October 2021 with a comparison to the same period in the previous 2 years.

CircleCI
England > London
6 months to
21 Oct 2021
Same period 2020 Same period 2019
Rank 283 378 601
Rank change year-on-year +95 +223 +92
Permanent jobs citing CircleCI 625 96 149
As % of all permanent jobs advertised in London 1.23% 0.49% 0.27%
As % of the Development Applications category 5.22% 2.32% 1.48%
Number of salaries quoted 230 89 109
10th Percentile £54,875 £62,000 £46,000
25th Percentile £63,750 £63,750 £57,500
Median annual salary (50th Percentile) £85,000 £75,000 £70,000
Median % change year-on-year +13.33% +7.14% -3.45%
75th Percentile £96,250 £88,750 £85,000
90th Percentile £120,250 £95,000 £115,000
England median annual salary £80,000 £70,000 £65,000
% change year-on-year +14.29% +7.69% -7.14%

CircleCI is in the Development Applications category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for development application skills.

All Development Application Skills
London
Permanent vacancies with a requirement for development application skills 11,978 4,130 10,089
As % of all permanent IT jobs advertised in London 23.61% 20.91% 18.46%
Number of salaries quoted 6,561 3,457 8,243
10th Percentile £45,000 £45,000 £40,000
25th Percentile £53,750 £53,750 £48,750
Median annual salary (50th Percentile) £70,000 £67,500 £65,000
Median % change year-on-year +3.70% +3.85% +4.00%
75th Percentile £86,250 £81,250 £80,000
90th Percentile £100,000 £95,000 £95,000
England median annual salary £59,500 £55,000 £53,500
% change year-on-year +8.18% +2.80% +7.00%

CircleCI
Job Vacancy Trend in London

Job postings citing CircleCI as a proportion of all IT jobs advertised in London.

Job vacancy trend for CircleCI in London

CircleCI
Salary Trend in London

3-month moving average salary quoted in jobs citing CircleCI in London.

Salary trend for CircleCI in London

CircleCI
Salary Histogram in London

Salary distribution for jobs citing CircleCI in London over the 6 months to 21 October 2021.

Salary histogram for CircleCI in London

CircleCI
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CircleCI within the London region over the 6 months to 21 October 2021. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -15 62 £75,000 -6.25% 22
South London -19 5 £50,000 -23.08%
West London - 1 £72,500 - 4
CircleCI
England

For the 6 months to 21 October 2021, IT 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 permanent job ads across the London region with a requirement for CircleCI.

1 325 (52.00%) Docker
2 313 (50.08%) AWS
3 297 (47.52%) JavaScript
4 279 (44.64%) Agile Software Development
5 254 (40.64%) Python
6 242 (38.72%) Terraform
7 236 (37.76%) TypeScript
8 226 (36.16%) PostgreSQL
9 225 (36.00%) React
10 223 (35.68%) Kubernetes
11 199 (31.84%) Software Engineering
12 190 (30.40%) DevOps
13 175 (28.00%) Node.js
14 169 (27.04%) Git (software)
15 160 (25.60%) Jenkins
16 159 (25.44%) Test Automation
17 150 (24.00%) Full Stack Development
18 149 (23.84%) GitHub
19 131 (20.96%) Continuous Integration
20 130 (20.80%) Infrastructure as Code
21 128 (20.48%) Mentoring
22 125 (20.00%) Java
23 124 (19.84%) TDD
24 120 (19.20%) REST
25 118 (18.88%) Microservices
26 114 (18.24%) GraphQL
27 113 (18.08%) Cypress.io
28 106 (16.96%) ES6
29 105 (16.80%) Jest
30 99 (15.84%) Finance

CircleCI
Co-occurring IT Skills in 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 42 (6.72%) Elasticsearch
2 28 (4.48%) Apache Airflow
3 21 (3.36%) Confluence
4 17 (2.72%) Apache Spark
5 12 (1.92%) Apache
6 10 (1.60%) Ethereum
7 8 (1.28%) nginx
8 7 (1.12%) Jupyter
9 4 (0.64%) CMS
10 1 (0.16%) Drupal
10 1 (0.16%) IBM Domino
10 1 (0.16%) OpenStack
Applications
1 12 (1.92%) Figma
2 10 (1.60%) Adobe Premiere
2 10 (1.60%) Final Cut Pro
3 7 (1.12%) Chatbot
3 7 (1.12%) Zeplin
4 2 (0.32%) Adobe XD
4 2 (0.32%) Sketch
5 1 (0.16%) Spreadsheet
Business Applications
1 21 (3.36%) Magento
1 21 (3.36%) Shopify
2 11 (1.76%) Payment Gateway
Cloud Services
1 313 (50.08%) AWS
2 149 (23.84%) GitHub
3 90 (14.40%) Azure
4 84 (13.44%) GCP
5 69 (11.04%) Serverless
6 62 (9.92%) Amazon S3
7 60 (9.60%) GitHub Actions
8 58 (9.28%) Amazon SQS
9 52 (8.32%) Amazon ECS
9 52 (8.32%) Heroku
10 48 (7.68%) AWS CloudFormation
10 48 (7.68%) Codefresh
11 35 (5.60%) SaaS
12 28 (4.48%) AWS Lambda
13 23 (3.68%) Amazon CloudWatch
13 23 (3.68%) Virtual Private Cloud
14 22 (3.52%) AWS Fargate
14 22 (3.52%) BrowserStack
15 20 (3.20%) Snowflake
16 18 (2.88%) Amazon EC2
Communications & Networking
1 15 (2.40%) HTTP
2 9 (1.44%) Firewall
3 5 (0.80%) DNS
3 5 (0.80%) SMTP
3 5 (0.80%) VPN
4 2 (0.32%) Internet
5 1 (0.16%) Broadband
5 1 (0.16%) TCP/IP
Database & Business Intelligence
1 226 (36.16%) PostgreSQL
2 88 (14.08%) MySQL
3 61 (9.76%) MongoDB
4 59 (9.44%) Redis
5 57 (9.12%) Relational Database
6 51 (8.16%) Amazon DynamoDB
7 36 (5.76%) Amazon RDS
8 32 (5.12%) Big Data
8 32 (5.12%) Data Lake
9 27 (4.32%) Data Warehouse
9 27 (4.32%) NoSQL
10 23 (3.68%) Amazon Aurora
11 15 (2.40%) CockroachDB
11 15 (2.40%) FoundationDB
12 13 (2.08%) Blockchain
13 9 (1.44%) RDBMS
14 6 (0.96%) Electronic Patient Records
15 5 (0.80%) Apache Cassandra
15 5 (0.80%) Hadoop
16 4 (0.64%) SQL Server
Development Applications
1 169 (27.04%) Git (software)
2 160 (25.60%) Jenkins
3 113 (18.08%) Cypress.io
4 80 (12.80%) webpack
5 77 (12.32%) Travis CI
6 55 (8.80%) GitLab
6 55 (8.80%) JIRA
7 25 (4.00%) Babel
7 25 (4.00%) Cucumber
8 24 (3.84%) Selenium
9 23 (3.68%) Gradle
10 22 (3.52%) TeamCity
11 17 (2.72%) Postman
11 17 (2.72%) RSpec
12 16 (2.56%) Gatling
13 15 (2.40%) TestCafe
14 14 (2.24%) Appium
14 14 (2.24%) JMeter
15 12 (1.92%) JUnit
16 11 (1.76%) Mocha
General
1 99 (15.84%) Finance
2 95 (15.20%) Social Skills
3 58 (9.28%) Games
4 31 (4.96%) Retail
5 20 (3.20%) Inclusion and Diversity
6 19 (3.04%) Marketing
7 18 (2.88%) Analytical Skills
7 18 (2.88%) Telecoms
8 17 (2.72%) Pharmaceutical
9 11 (1.76%) Banking
10 10 (1.60%) Advertising
11 9 (1.44%) Documentation Skills
12 4 (0.64%) Publishing
13 3 (0.48%) Billing
14 2 (0.32%) Influencing Skills
14 2 (0.32%) Legal
14 2 (0.32%) Multimedia
14 2 (0.32%) Organisational Skills
15 1 (0.16%) Financial Institution
15 1 (0.16%) Law
Job Titles
1 153 (24.48%) Developer
2 99 (15.84%) Software Engineer
3 49 (7.84%) Senior Developer
4 43 (6.88%) DevOps Engineer
5 39 (6.24%) Full Stack Developer
6 30 (4.80%) Cloud Engineer
6 30 (4.80%) React Developer
7 28 (4.48%) Platform Engineer
8 27 (4.32%) AWS Engineer
9 26 (4.16%) Senior Software Engineer
10 23 (3.68%) Python Engineer
11 22 (3.52%) Lead Software Engineer
11 22 (3.52%) Senior React Developer
12 19 (3.04%) Backend Developer
12 19 (3.04%) Front End Developer (Client-Side Developer)
13 17 (2.72%) Lead Developer
14 16 (2.56%) Cloud Software Engineer
15 15 (2.40%) Technical Leader
16 14 (2.24%) QA Engineer
17 13 (2.08%) Data Engineer
Libraries, Frameworks & Software Standards
1 225 (36.00%) React
2 175 (28.00%) Node.js
3 120 (19.20%) REST
4 114 (18.24%) GraphQL
5 105 (16.80%) Jest
6 95 (15.20%) React Native
7 94 (15.04%) Django
8 83 (13.28%) Redux
9 64 (10.24%) CSS
10 59 (9.44%) Ruby on Rails
11 42 (6.72%) Sass
12 38 (6.08%) Kafka
12 38 (6.08%) Next.js
12 38 (6.08%) Vue.js
13 37 (5.92%) Symfony
14 35 (5.60%) AngularJS
15 34 (5.44%) HTML
16 31 (4.96%) Serverless Framework
17 27 (4.32%) RESTful
18 26 (4.16%) Web Services
Miscellaneous
1 79 (12.64%) Greenfield Project
2 72 (11.52%) User Experience
3 56 (8.96%) Mobile App
4 37 (5.92%) Cloud Native
5 34 (5.44%) Self-Motivation
6 29 (4.64%) Virtual Team
7 26 (4.16%) Legacy Code
8 17 (2.72%) Data Structures
9 15 (2.40%) Pricing Data
10 14 (2.24%) Algorithms
11 10 (1.60%) Video Editing
12 9 (1.44%) Renewable Energy
13 7 (1.12%) Hybrid Cloud
14 6 (0.96%) Legacy Applications
15 5 (0.80%) Augmented Reality
16 4 (0.64%) Blog
16 4 (0.64%) NHS
16 4 (0.64%) Smart Meter
17 3 (0.48%) Data Protection Act
17 3 (0.48%) Video\Live Streaming
Operating Systems
1 58 (9.28%) Android
2 43 (6.88%) Apple iOS
3 39 (6.24%) Linux
4 9 (1.44%) Unix
5 4 (0.64%) Windows
6 2 (0.32%) CoreOS
6 2 (0.32%) Mac OS X
6 2 (0.32%) Red Hat Enterprise Linux
7 1 (0.16%) CentOS
7 1 (0.16%) Debian
7 1 (0.16%) SUSE
7 1 (0.16%) Ubuntu
Processes & Methodologies
1 279 (44.64%) Agile Software Development
2 199 (31.84%) Software Engineering
3 190 (30.40%) DevOps
4 159 (25.44%) Test Automation
5 150 (24.00%) Full Stack Development
6 131 (20.96%) Continuous Integration
7 130 (20.80%) Infrastructure as Code
8 128 (20.48%) Mentoring
9 124 (19.84%) TDD
10 118 (18.88%) Microservices
11 95 (15.20%) Coaching
12 77 (12.32%) Decision-Making
13 75 (12.00%) Scrum
14 71 (11.36%) Data-Driven Decision Making
15 63 (10.08%) Business Intelligence
16 59 (9.44%) Clean Code
16 59 (9.44%) Computer Science
17 58 (9.28%) Pair Programming
18 53 (8.48%) Functional Programming
19 52 (8.32%) Analytics
Programming Languages
1 297 (47.52%) JavaScript
2 254 (40.64%) Python
3 236 (37.76%) TypeScript
4 125 (20.00%) Java
5 106 (16.96%) ES6
6 94 (15.04%) SQL
7 87 (13.92%) Go
8 85 (13.60%) Ruby
9 53 (8.48%) PHP
10 41 (6.56%) Scala
11 40 (6.40%) C++
12 39 (6.24%) Kotlin
13 34 (5.44%) C#
14 29 (4.64%) Elm
15 26 (4.16%) Bash Shell
15 26 (4.16%) Rust
16 22 (3.52%) Clojure
17 20 (3.20%) Perl
18 18 (2.88%) C
18 18 (2.88%) PowerShell
Qualifications
1 57 (9.12%) Degree
2 38 (6.08%) Computer Science Degree
3 16 (2.56%) AWS Certification
4 2 (0.32%) PhD
5 1 (0.16%) SC Cleared
5 1 (0.16%) Security Cleared
Quality Assurance & Compliance
1 61 (9.76%) QA
2 8 (1.28%) ISO/IEC 27001
3 7 (1.12%) GDPR
3 7 (1.12%) HIPAA
4 3 (0.48%) SOC 2
5 2 (0.32%) Data Quality
System Software
1 325 (52.00%) Docker
2 4 (0.64%) Virtual Machines
3 1 (0.16%) Varnish
Systems Management
1 242 (38.72%) Terraform
2 223 (35.68%) Kubernetes
3 48 (7.68%) Ansible
4 30 (4.80%) Prometheus
5 19 (3.04%) Opscode Chef
5 19 (3.04%) Puppet
6 16 (2.56%) Grafana
7 11 (1.76%) Istio
8 6 (0.96%) Rancher
9 4 (0.64%) Argo
10 3 (0.48%) Fluentd
10 3 (0.48%) Knative
11 2 (0.32%) rkt
12 1 (0.16%) Kustomize
12 1 (0.16%) Pingdom
Vendors
1 90 (14.40%) Google
2 21 (3.36%) New Relic
3 16 (2.56%) Instagram
4 12 (1.92%) Zend
5 10 (1.60%) BT
5 10 (1.60%) Facebook
5 10 (1.60%) Twitter
5 10 (1.60%) YouTube
6 7 (1.12%) AppDynamics
6 7 (1.12%) Apple
6 7 (1.12%) Splunk
7 5 (0.80%) Oracle
8 4 (0.64%) Veracode
9 2 (0.32%) Adobe
9 2 (0.32%) ConsenSys
9 2 (0.32%) Foundry
9 2 (0.32%) Mapbox
9 2 (0.32%) VMware
10 1 (0.16%) Confluent
10 1 (0.16%) Rollbar