Period
to 26 November 2021

The following table provides summary statistics for contract job vacancies advertised in London with a requirement for Open Source skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Open Source over the 6 months to 26 November 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.

Open Source
England > London
6 months to
26 Nov 2021
Same period 2020 Same period 2019
Rank 146 86 114
Rank change year-on-year -60 +28 -31
Contract jobs citing Open Source 746 467 825
As % of all contract jobs advertised in London 1.98% 2.96% 2.34%
As % of the Processes & Methodologies category 2.17% 3.33% 2.64%
Number of daily rates quoted 504 338 576
10th Percentile £413 £375 £425
25th Percentile £500 £463 £504
Median daily rate (50th Percentile) £600 £550 £575
Median % change year-on-year +9.09% -4.35% +4.55%
75th Percentile £700 £663 £688
90th Percentile £750 £725 £744
England median daily rate £568 £525 £550
% change year-on-year +8.10% -4.55% +4.76%
Number of hourly rates quoted 3 1 0
Median hourly rate £80.00 £25.00 -
Median % change year-on-year +220.00% - -
England median hourly rate £61.25 £30.00 £24.00
% change year-on-year +104.17% +25.00% -40.00%

Open Source 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 London with a requirement for process or methodology skills.

All Process and Methodology Skills
London
Contract vacancies with a requirement for process or methodology skills 34,429 14,028 31,284
As % of all contract IT jobs advertised in London 91.26% 88.84% 88.63%
Number of daily rates quoted 25,027 10,128 22,834
10th Percentile £375 £319 £325
25th Percentile £463 £413 £413
Median daily rate (50th Percentile) £550 £500 £513
Median % change year-on-year +10.00% -2.44% +2.50%
75th Percentile £660 £613 £600
90th Percentile £750 £701 £688
England median daily rate £525 £475 £475
% change year-on-year +10.53% - -
Number of hourly rates quoted 312 122 374
10th Percentile £17.03 £15.15 £12.04
25th Percentile £22.29 £22.50 £16.08
Median hourly rate £37.65 £34.74 £22.50
Median % change year-on-year +8.38% +54.40% +9.76%
75th Percentile £54.81 £46.00 £45.00
90th Percentile £70.09 £59.88 £53.75
England median hourly rate £24.91 £27.00 £22.36
% change year-on-year -7.74% +20.78% +11.78%

Open Source
Job Vacancy Trend in London

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

Job vacancy trend for Open Source in London

Open Source
Contractor Daily Rate Trend in London

3-month moving average daily rate quoted in jobs citing Open Source in London.

Daily rate trend for Open Source in London

Open Source
Daily Rate Histogram in London

Daily rate distribution for jobs citing Open Source in London over the 6 months to 26 November 2021.

Daily rate histogram for Open Source in London

Open Source
Contractor Hourly Rate Trend in London

3-month moving average hourly rates quoted in jobs citing Open Source in London.

Hourly rate trend for Open Source in London

Open Source
Hourly Rate Histogram in London

Hourly rate distribution of jobs citing Open Source in London over the 6 months to 26 November 2021.

Hourly rate histogram for Open Source in London

Open Source
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Open Source within the London region over the 6 months to 26 November 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -55 47 £550 +3.77% 70
South London +22 38 £475 +14.11% 9
West London -12 12 £660 +9.50% 19
Open Source
England

For the 6 months to 26 November 2021, IT contractor jobs citing Open Source 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 London region with a requirement for Open Source.

1 384 (51.47%) Agile Software Development
2 275 (36.86%) AWS
3 259 (34.72%) Java
4 243 (32.57%) DevOps
5 227 (30.43%) Python
6 217 (29.09%) Docker
7 213 (28.55%) Social Skills
8 210 (28.15%) Kubernetes
9 208 (27.88%) Azure
10 194 (26.01%) Microservices
11 174 (23.32%) Jenkins
12 169 (22.65%) Terraform
13 160 (21.45%) Finance
14 157 (21.05%) SQL
15 149 (19.97%) JavaScript
16 124 (16.62%) Linux
17 122 (16.35%) Test Automation
18 113 (15.15%) Git (software)
19 111 (14.88%) Kafka
20 107 (14.34%) GCP
20 107 (14.34%) Scrum
21 106 (14.21%) Software Engineering
22 101 (13.54%) Infrastructure as Code
23 100 (13.40%) Analytics
24 97 (13.00%) Security Cleared
24 97 (13.00%) Microsoft
25 95 (12.73%) Maven
25 95 (12.73%) GitHub
26 90 (12.06%) Problem-Solving
27 89 (11.93%) Analytical Skills

Open Source
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 67 (8.98%) Apache Spark
2 28 (3.75%) Elasticsearch
3 27 (3.62%) Apache
3 27 (3.62%) Confluence
4 15 (2.01%) CMS
5 13 (1.74%) Apache Airflow
6 11 (1.47%) OpenStack
7 8 (1.07%) Mule
8 6 (0.80%) Camunda
8 6 (0.80%) Jupyter
8 6 (0.80%) SharePoint
9 5 (0.67%) Mule ESB
10 4 (0.54%) Ethereum
10 4 (0.54%) JBoss
10 4 (0.54%) nginx
10 4 (0.54%) Red Hat Fuse
10 4 (0.54%) WildFly
11 3 (0.40%) Anypoint
11 3 (0.40%) Tomcat
11 3 (0.40%) WordPress
Applications
1 4 (0.54%) Microsoft Excel
2 3 (0.40%) Microsoft Office
2 3 (0.40%) Microsoft PowerPoint
3 1 (0.13%) Adobe XD
3 1 (0.13%) CPLEX
3 1 (0.13%) Figma
3 1 (0.13%) Microsoft Project
3 1 (0.13%) MS Visio
3 1 (0.13%) Sketch
3 1 (0.13%) SPSS
3 1 (0.13%) SPSS Modeler
3 1 (0.13%) Steinberg Cubase
Business Applications
1 3 (0.40%) Sprinklr
2 2 (0.27%) Distributed Ledger
2 2 (0.27%) Dynamics CRM
2 2 (0.27%) R3 Corda
3 1 (0.13%) Dynamics AX
3 1 (0.13%) SAP S/4HANA
Cloud Services
1 275 (36.86%) AWS
2 208 (27.88%) Azure
3 107 (14.34%) GCP
4 95 (12.73%) GitHub
5 64 (8.58%) PaaS
6 55 (7.37%) Serverless
7 54 (7.24%) AWS CloudFormation
8 53 (7.10%) IaaS
9 45 (6.03%) SaaS
10 27 (3.62%) Amazon ECS
10 27 (3.62%) npm
11 25 (3.35%) Power Platform
12 24 (3.22%) Azure Synapse Analytics
13 22 (2.95%) AWS Lambda
14 18 (2.41%) Amazon EMR
14 18 (2.41%) Amazon S3
14 18 (2.41%) Azure Functions
15 16 (2.14%) Amazon EC2
16 14 (1.88%) OpenShift
17 13 (1.74%) Datadog
Communications & Networking
1 18 (2.41%) Firewall
2 17 (2.28%) WAN
3 16 (2.14%) HTTP
4 14 (1.88%) Internet
5 11 (1.47%) Network Security
6 8 (1.07%) DNS
7 7 (0.94%) SSH
7 7 (0.94%) Wireshark
8 5 (0.67%) Wireless
9 4 (0.54%) Kerberos
9 4 (0.54%) Multicast
10 3 (0.40%) 5G
10 3 (0.40%) NAS
10 3 (0.40%) SAN
10 3 (0.40%) SMTP
10 3 (0.40%) TCP/IP
10 3 (0.40%) tcpdump
10 3 (0.40%) VPN
11 2 (0.27%) IPv4
11 2 (0.27%) SSL
Database & Business Intelligence
1 85 (11.39%) Big Data
2 61 (8.18%) PostgreSQL
3 52 (6.97%) NoSQL
4 43 (5.76%) SQL Server
5 40 (5.36%) Hadoop
6 39 (5.23%) MySQL
7 32 (4.29%) MongoDB
8 30 (4.02%) Tableau
9 28 (3.75%) Data Warehouse
9 28 (3.75%) Relational Database
10 26 (3.49%) Data Lake
11 24 (3.22%) Power BI
12 23 (3.08%) Apache Cassandra
13 21 (2.82%) Amazon RDS
13 21 (2.82%) HBase
14 19 (2.55%) Microsoft Analysis Services
15 18 (2.41%) Flink
15 18 (2.41%) Redis
16 17 (2.28%) Amazon DynamoDB
17 15 (2.01%) BigQuery
Development Applications
1 174 (23.32%) Jenkins
2 113 (15.15%) Git (software)
3 95 (12.73%) Maven
4 69 (9.25%) Gradle
5 62 (8.31%) JIRA
6 45 (6.03%) TeamCity
7 34 (4.56%) Cucumber
8 33 (4.42%) GitLab
9 30 (4.02%) Selenium
10 28 (3.75%) CircleCI
11 25 (3.35%) JUnit
12 24 (3.22%) Gatling
13 22 (2.95%) JMeter
14 21 (2.82%) Bitbucket
14 21 (2.82%) Cypress.io
14 21 (2.82%) gulp
15 19 (2.55%) Mocha
15 19 (2.55%) PowerDesigner
15 19 (2.55%) REST Assured
15 19 (2.55%) Sonatype Nexus
General
1 213 (28.55%) Social Skills
2 160 (21.45%) Finance
3 89 (11.93%) Analytical Skills
4 86 (11.53%) Banking
5 60 (8.04%) Investment Banking
6 49 (6.57%) Public Sector
7 37 (4.96%) Presentation Skills
8 20 (2.68%) Influencing Skills
9 19 (2.55%) Telecoms
10 18 (2.41%) Marketing
11 17 (2.28%) Front Office
12 12 (1.61%) Legal
13 7 (0.94%) Financial Institution
13 7 (0.94%) Games
14 6 (0.80%) Retail
15 5 (0.67%) Documentation Skills
15 5 (0.67%) Inclusion and Diversity
15 5 (0.67%) Law
15 5 (0.67%) Organisational Skills
16 3 (0.40%) Prime Brokerage
Job Titles
1 208 (27.88%) Developer
2 149 (19.97%) Architect
3 79 (10.59%) Java Developer
4 63 (8.45%) Solutions Architect
5 59 (7.91%) DevOps Engineer
6 48 (6.43%) Azure Architect
7 44 (5.90%) Data Engineer
8 38 (5.09%) Senior Developer
9 37 (4.96%) Cloud Architect
10 34 (4.56%) Software Engineer
11 32 (4.29%) Data Architect
12 31 (4.16%) Test Engineer
13 28 (3.75%) Agile Developer
14 26 (3.49%) Agile Java Developer
14 26 (3.49%) AWS Engineer
15 23 (3.08%) Python Developer
16 22 (2.95%) AWS Architect
16 22 (2.95%) Azure Engineer
16 22 (2.95%) Python Engineer
17 21 (2.82%) Data Scientist
Libraries, Frameworks & Software Standards
1 111 (14.88%) Kafka
2 86 (11.53%) Spring
3 70 (9.38%) HTML
3 70 (9.38%) REST
4 69 (9.25%) React
5 63 (8.45%) Node.js
6 57 (7.64%) CSS
7 49 (6.57%) Hibernate
8 44 (5.90%) RESTful
9 42 (5.63%) Web Services
10 40 (5.36%) GraphQL
11 34 (4.56%) J2SE
12 29 (3.89%) HTML5
13 28 (3.75%) AngularJS
13 28 (3.75%) Spring Boot
14 25 (3.35%) .NET
15 21 (2.82%) CSS3
15 21 (2.82%) SOAP
16 20 (2.68%) Redux
17 19 (2.55%) Chai
Miscellaneous
1 78 (10.46%) Public Cloud
2 46 (6.17%) Cloud Native
3 38 (5.09%) Virtual Team
4 34 (4.56%) Algorithms
5 27 (3.62%) User Experience
6 25 (3.35%) Data Structures
7 23 (3.08%) Linux Command Line
8 15 (2.01%) Data Centre
9 14 (1.88%) Foreign Exchange (FX)
10 13 (1.74%) Management Information System
11 12 (1.61%) Greenfield Project
11 12 (1.61%) N-Tier
12 11 (1.47%) Mobile App
13 10 (1.34%) Self-Motivation
14 9 (1.21%) Clustering
14 9 (1.21%) Hybrid Cloud
14 9 (1.21%) Market Risk
15 8 (1.07%) Renewable Energy
16 7 (0.94%) Derivative
16 7 (0.94%) Legacy Systems
Operating Systems
1 124 (16.62%) Linux
2 58 (7.77%) Windows
3 41 (5.50%) Unix
4 13 (1.74%) Android
4 13 (1.74%) Apple iOS
5 9 (1.21%) Red Hat Enterprise Linux
6 8 (1.07%) Ubuntu
7 4 (0.54%) Mac OS
8 3 (0.40%) CentOS
8 3 (0.40%) Windows Server
9 1 (0.13%) Debian
9 1 (0.13%) OpenWrt
Processes & Methodologies
1 384 (51.47%) Agile Software Development
2 243 (32.57%) DevOps
3 194 (26.01%) Microservices
4 122 (16.35%) Test Automation
5 107 (14.34%) Scrum
6 106 (14.21%) Software Engineering
7 101 (13.54%) Infrastructure as Code
8 100 (13.40%) Analytics
9 90 (12.06%) Problem-Solving
10 85 (11.39%) Continuous Integration
10 85 (11.39%) SDLC
11 76 (10.19%) TDD
12 63 (8.45%) Enterprise Architecture
13 62 (8.31%) Stakeholder Management
14 61 (8.18%) Data Modelling
15 58 (7.77%) Data Science
15 58 (7.77%) Migration
16 56 (7.51%) Computer Science
17 54 (7.24%) Continuous Delivery
17 54 (7.24%) Kanban
Programming Languages
1 259 (34.72%) Java
2 227 (30.43%) Python
3 157 (21.05%) SQL
4 149 (19.97%) JavaScript
5 81 (10.86%) Bash Shell
6 62 (8.31%) C#
7 48 (6.43%) TypeScript
8 47 (6.30%) PowerShell
9 30 (4.02%) Go
9 30 (4.02%) Scala
10 26 (3.49%) R
11 24 (3.22%) Groovy
12 22 (2.95%) C++
13 18 (2.41%) Shell Script
14 17 (2.28%) Ruby
15 16 (2.14%) Java 8
16 14 (1.88%) C
17 13 (1.74%) Perl
18 11 (1.47%) ES6
18 11 (1.47%) PHP
Qualifications
1 97 (13.00%) Security Cleared
2 84 (11.26%) SC Cleared
3 71 (9.52%) Degree
4 21 (2.82%) Computer Science Degree
5 12 (1.61%) DV Cleared
6 9 (1.21%) Numerate Degree
7 8 (1.07%) AWS Certification
7 8 (1.07%) CISSP
8 5 (0.67%) Cisco Certification
9 3 (0.40%) (ISC)2 CCSP
9 3 (0.40%) CISA
9 3 (0.40%) ISTQB
9 3 (0.40%) ISTQB Foundation Certification
9 3 (0.40%) TOGAF Certification
10 2 (0.27%) CISMP
10 2 (0.27%) CRISC
10 2 (0.27%) Master's Degree
10 2 (0.27%) OSCP
11 1 (0.13%) CBAP
11 1 (0.13%) CSSLP
Quality Assurance & Compliance
1 54 (7.24%) QA
2 18 (2.41%) Accessibility
3 13 (1.74%) GDPR
4 11 (1.47%) Data Quality
5 4 (0.54%) ISO/IEC 27001
5 4 (0.54%) SLA
6 3 (0.40%) NIST
7 2 (0.27%) COBIT
7 2 (0.27%) HL7
7 2 (0.27%) NCSC
7 2 (0.27%) Sarbanes-Oxley
8 1 (0.13%) JTAG
8 1 (0.13%) OASIS TOSCA
8 1 (0.13%) SOC 1
8 1 (0.13%) SOC 2
System Software
1 217 (29.09%) Docker
2 10 (1.34%) Active Directory
3 9 (1.21%) NFS
4 6 (0.80%) Virtual Machines
5 4 (0.54%) VMware Infrastructure
6 3 (0.40%) Postfix
6 3 (0.40%) Virtual Desktop
7 2 (0.27%) Apache Flume
7 2 (0.27%) VMware ESXi
8 1 (0.13%) Ceph
8 1 (0.13%) Dovecot
8 1 (0.13%) Hyper-V
8 1 (0.13%) KVM
8 1 (0.13%) LXC
8 1 (0.13%) Snort
8 1 (0.13%) Varnish
8 1 (0.13%) vSphere
Systems Management
1 210 (28.15%) Kubernetes
2 169 (22.65%) Terraform
3 85 (11.39%) Ansible
4 29 (3.89%) Opscode Chef
5 25 (3.35%) Grafana
6 23 (3.08%) Puppet
7 11 (1.47%) Prometheus
8 10 (1.34%) Host Intrusion Detection System
8 10 (1.34%) Kibana
8 10 (1.34%) Network Intrusion Detection System
9 7 (0.94%) Nagios
10 6 (0.80%) Packer
11 5 (0.67%) CloudHub
11 5 (0.67%) Oozie
12 4 (0.54%) Istio
13 3 (0.40%) ITRS Geneos
13 3 (0.40%) logstash
13 3 (0.40%) Mesos
13 3 (0.40%) Salt
14 2 (0.27%) Cobbler
Vendors
1 97 (13.00%) Microsoft
2 70 (9.38%) Google
3 48 (6.43%) Databricks
4 33 (4.42%) Oracle
5 29 (3.89%) SAP
6 25 (3.35%) IBM
7 21 (2.82%) Splunk
8 20 (2.68%) Salesforce.com
9 19 (2.55%) BiZZdesign
10 14 (1.88%) AppDynamics
11 11 (1.47%) Red Hat
12 10 (1.34%) Perfecto Mobile
13 9 (1.21%) NetApp
14 8 (1.07%) Cloudera
15 7 (0.94%) MuleSoft
15 7 (0.94%) Samsung
16 6 (0.80%) Alteryx
17 5 (0.67%) New Relic
17 5 (0.67%) Talend
17 5 (0.67%) VMware