Period
to 8 March 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 8 March 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
8 Mar 2021
Same period 2020 Same period 2019
Rank 93 92 85
Rank change year-on-year -1 -7 +3
Contract jobs citing Open Source 531 727 1,283
As % of all contract jobs advertised in London 2.66% 2.67% 2.96%
As % of the Processes & Methodologies category 2.98% 3.04% 3.33%
Number of daily rates quoted 514 540 958
Median daily rate £550 £585 £550
Median daily rate % change year-on-year -5.98% +6.36% +1.85%
10th Percentile £422 £400 £410
90th Percentile £700 £750 £688
England median daily rate £525 £550 £525
% change year-on-year -4.55% +4.76% +5.00%
Number of hourly rates quoted 0 4 2
Median hourly rate - £52.50 £52.50
England median hourly rate £30.00 £52.50 £38.50
% change year-on-year -42.86% +36.36% -11.49%

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 17,791 23,924 38,555
As % of all contract IT jobs advertised in London 89.07% 87.84% 89.01%
Number of daily rates quoted 12,746 17,406 28,018
Median daily rate £513 £520 £513
Median daily rate % change year-on-year -1.44% +1.46% +2.50%
10th Percentile £330 £320 £325
90th Percentile £700 £699 £675
England median daily rate £475 £475 £475
Number of hourly rates quoted 177 294 386
Median hourly rate £35.00 £25.00 £22.14
Median hourly rate % change year-on-year +40.00% +12.91% -1.59%
10th Percentile £17.90 £12.44 £12.50
90th Percentile £66.50 £54.93 £47.25
Median hourly rate £25.50 £21.05 £22.00
% change year-on-year +21.14% -4.32% -2.22%

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 8 March 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
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 8 March 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 +12 51 £555 +0.91% 69
West London +25 9 £525 -0.94% 33
South London +4 7 £435 -17.14% 5
Open Source
England

For the 6 months to 8 March 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.

1 300 (56.50%) Agile Software Development
2 256 (48.21%) AWS
3 193 (36.35%) Java
4 186 (35.03%) Python
5 184 (34.65%) Azure
6 175 (32.96%) JavaScript
7 160 (30.13%) Finance
8 154 (29.00%) DevOps
9 142 (26.74%) Software Engineering
10 130 (24.48%) AngularJS
11 128 (24.11%) Microservices
12 127 (23.92%) React
13 119 (22.41%) GCP
14 113 (21.28%) Web Services
15 106 (19.96%) Linux
16 104 (19.59%) Jenkins
17 100 (18.83%) Serverless
18 97 (18.27%) .NET
19 94 (17.70%) Test Automation
20 93 (17.51%) HTML
21 90 (16.95%) Node.js
22 89 (16.76%) Docker
22 89 (16.76%) Continuous Integration
23 88 (16.57%) Kubernetes
24 87 (16.38%) SQL
24 87 (16.38%) Banking
25 79 (14.88%) TDD
26 78 (14.69%) Scrum
26 78 (14.69%) Blog
26 78 (14.69%) Terraform

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 42 (7.91%) Apache
2 28 (5.27%) Red Hat Fuse
3 17 (3.20%) nginx
4 16 (3.01%) Apache Spark
5 11 (2.07%) Confluence
6 9 (1.69%) WebLogic
7 8 (1.51%) WebSphere
8 7 (1.32%) CMS
9 6 (1.13%) Apache Airflow
9 6 (1.13%) Tomcat
10 5 (0.94%) Camunda
10 5 (0.94%) WordPress
11 4 (0.75%) Appian
11 4 (0.75%) Elasticsearch
11 4 (0.75%) Mule
11 4 (0.75%) Mule ESB
12 3 (0.56%) Adobe Experience Manager
12 3 (0.56%) Anypoint
12 3 (0.56%) Cloud Foundry
12 3 (0.56%) WildFly
Applications
1 3 (0.56%) Microsoft Excel
2 2 (0.38%) Chatbot
2 2 (0.38%) MS Visio
3 1 (0.19%) Microsoft PowerPoint
Business Applications
1 1 (0.19%) Magento
Cloud Services
1 256 (48.21%) AWS
2 184 (34.65%) Azure
3 119 (22.41%) GCP
4 100 (18.83%) Serverless
5 46 (8.66%) GitHub
6 25 (4.71%) AWS Lambda
7 20 (3.77%) PaaS
8 19 (3.58%) Cloud Computing
9 17 (3.20%) Azure Functions
10 15 (2.82%) SaaS
11 14 (2.64%) npm
12 11 (2.07%) Amazon EC2
12 11 (2.07%) IaaS
13 10 (1.88%) Heroku
14 9 (1.69%) AWS CloudFormation
15 8 (1.51%) Amazon EKS
16 7 (1.32%) Amazon CloudWatch
16 7 (1.32%) Amazon S3
16 7 (1.32%) Amazon SQS
17 6 (1.13%) AWS Step Functions
Communications & Networking
1 15 (2.82%) HTTP
2 13 (2.45%) Multicast
3 10 (1.88%) Wi-Fi
4 9 (1.69%) Firewall
4 9 (1.69%) IPv6
5 8 (1.51%) IPv4
5 8 (1.51%) Wireshark
6 7 (1.32%) DECT
6 7 (1.32%) PPP
6 7 (1.32%) UPnP
7 6 (1.13%) DNS
7 6 (1.13%) tcpdump
8 5 (0.94%) FTP
8 5 (0.94%) Unified Communications
9 4 (0.75%) BGP
9 4 (0.75%) SSL
9 4 (0.75%) TCP/IP
10 3 (0.56%) DHCP
10 3 (0.56%) Internet
10 3 (0.56%) Wireless
Database & Business Intelligence
1 43 (8.10%) Relational Database
2 39 (7.34%) NoSQL
3 32 (6.03%) Big Data
3 32 (6.03%) PostgreSQL
4 24 (4.52%) Data Warehouse
5 16 (3.01%) MongoDB
6 15 (2.82%) BigQuery
6 15 (2.82%) MySQL
7 14 (2.64%) Blockchain
8 12 (2.26%) Data Lake
9 11 (2.07%) Hadoop
9 11 (2.07%) SQL Server
10 9 (1.69%) Amazon DynamoDB
11 8 (1.51%) Amazon RDS
11 8 (1.51%) Apache Cassandra
11 8 (1.51%) Oracle Database
11 8 (1.51%) RDBMS
12 6 (1.13%) Amazon Redshift
12 6 (1.13%) Bigtable
12 6 (1.13%) Tableau
Development Applications
1 104 (19.59%) Jenkins
2 64 (12.05%) Git (software)
3 31 (5.84%) Maven
4 28 (5.27%) Selenium
5 24 (4.52%) JIRA
6 23 (4.33%) GitLab
6 23 (4.33%) JUnit
7 18 (3.39%) Gradle
7 18 (3.39%) webpack
8 15 (2.82%) Cucumber
9 14 (2.64%) CircleCI
9 14 (2.64%) gulp
10 13 (2.45%) SpecFlow
11 12 (2.26%) Mockito
11 12 (2.26%) Travis CI
12 11 (2.07%) JMeter
13 10 (1.88%) Bitbucket
13 10 (1.88%) git-flow
14 9 (1.69%) Visual Studio Team System
14 9 (1.69%) WebDriver
General
1 160 (30.13%) Finance
2 87 (16.38%) Banking
3 41 (7.72%) Investment Banking
4 31 (5.84%) Public Sector
5 26 (4.90%) Front Office
6 12 (2.26%) Marketing
7 8 (1.51%) Retail
7 8 (1.51%) Telecoms
8 4 (0.75%) Publishing
9 3 (0.56%) Automotive
9 3 (0.56%) Electronics
10 2 (0.38%) Games
10 2 (0.38%) Legal
10 2 (0.38%) Retail Banking
11 1 (0.19%) Arabic Language
11 1 (0.19%) Cantonese Language
11 1 (0.19%) Korean Language
11 1 (0.19%) Local Government
11 1 (0.19%) Mandarin Language
11 1 (0.19%) Military
Job Titles
1 249 (46.89%) Developer
2 84 (15.82%) React Developer
3 81 (15.25%) Architect
4 78 (14.69%) Software Engineer
5 61 (11.49%) Java Developer
6 59 (11.11%) Developer/Software Engineer
7 47 (8.85%) DevOps Engineer
8 41 (7.72%) Senior Developer
9 40 (7.53%) Solutions Architect
10 25 (4.71%) JavaScript Developer
11 20 (3.77%) AWS Engineer
11 20 (3.77%) Full Stack Developer
12 19 (3.58%) AWS DevOps
13 18 (3.39%) Java Architect
14 17 (3.20%) AWS DevOps Engineer
14 17 (3.20%) Cloud Architect
14 17 (3.20%) Data Engineer
14 17 (3.20%) Java Solutions Architect
14 17 (3.20%) Kubernetes Engineer
14 17 (3.20%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 130 (24.48%) AngularJS
2 127 (23.92%) React
3 113 (21.28%) Web Services
4 97 (18.27%) .NET
5 93 (17.51%) HTML
6 90 (16.95%) Node.js
7 77 (14.50%) REST
8 74 (13.94%) Spring
9 60 (11.30%) React Native
10 59 (11.11%) CSS
11 57 (10.73%) HTML5
12 49 (9.23%) Hibernate
13 42 (7.91%) Kafka
14 34 (6.40%) Redux
15 33 (6.21%) GraphQL
16 31 (5.84%) jQuery
17 30 (5.65%) RESTful
18 28 (5.27%) Apache Camel
18 28 (5.27%) JMS
19 27 (5.08%) Middleware
Miscellaneous
1 78 (14.69%) Blog
2 67 (12.62%) Analytical Skills
3 39 (7.34%) User Experience
4 35 (6.59%) Cloud Native
5 34 (6.40%) Enterprise Software
6 30 (5.65%) Fixed Income
7 26 (4.90%) Clustering
7 26 (4.90%) Mobile App
8 25 (4.71%) Public Cloud
9 24 (4.52%) Algorithms
10 23 (4.33%) Derivative
11 22 (4.14%) Greenfield Project
12 21 (3.95%) Data Structures
13 19 (3.58%) Foreign Exchange (FX)
14 18 (3.39%) Virtual Team
15 17 (3.20%) Hedge funds
16 14 (2.64%) Equities
17 12 (2.26%) Bitcoin
17 12 (2.26%) Data Centre
18 9 (1.69%) Mobile Payment
Operating Systems
1 106 (19.96%) Linux
2 20 (3.77%) Windows
3 16 (3.01%) Unix
4 14 (2.64%) Android
5 11 (2.07%) Apple iOS
6 7 (1.32%) OpenWrt
7 2 (0.38%) Mac OS
7 2 (0.38%) Ubuntu
8 1 (0.19%) CentOS
8 1 (0.19%) Mesosphere
8 1 (0.19%) Red Hat Enterprise Linux
8 1 (0.19%) Tizen
8 1 (0.19%) webOS
Processes & Methodologies
1 300 (56.50%) Agile Software Development
2 154 (29.00%) DevOps
3 142 (26.74%) Software Engineering
4 128 (24.11%) Microservices
5 94 (17.70%) Test Automation
6 89 (16.76%) Continuous Integration
7 79 (14.88%) TDD
8 78 (14.69%) Scrum
9 73 (13.75%) Problem-Solving
10 71 (13.37%) Asset Management
11 67 (12.62%) Web Application Development
12 63 (11.86%) Computer Science
13 62 (11.68%) OO
14 56 (10.55%) Progressive Web App
15 47 (8.85%) Analytics
16 41 (7.72%) High Availability
17 39 (7.34%) Machine Learning
18 37 (6.97%) Data Modelling
19 36 (6.78%) SDLC
20 35 (6.59%) Web Development
Programming Languages
1 193 (36.35%) Java
2 186 (35.03%) Python
3 175 (32.96%) JavaScript
4 87 (16.38%) SQL
5 36 (6.78%) C++
6 34 (6.40%) Scala
6 34 (6.40%) TypeScript
7 33 (6.21%) Java 8
8 27 (5.08%) C#
9 26 (4.90%) ES6
10 25 (4.71%) Go
11 19 (3.58%) Bash Shell
12 14 (2.64%) C
12 14 (2.64%) Kotlin
13 12 (2.26%) Groovy
14 11 (2.07%) Shell Script
15 10 (1.88%) Ruby
16 9 (1.69%) PL/SQL
16 9 (1.69%) R
17 5 (0.94%) Rust
Qualifications
1 62 (11.68%) Security Cleared
2 50 (9.42%) SC Cleared
3 42 (7.91%) Degree
4 23 (4.33%) Computer Science Degree
5 15 (2.82%) Master's Degree
6 11 (2.07%) DV Cleared
7 6 (1.13%) AWS Certification
7 6 (1.13%) Cisco Certification
8 5 (0.94%) CEH
9 4 (0.75%) (ISC)2 CCSP
9 4 (0.75%) CESG Certified Professional
9 4 (0.75%) CISM
9 4 (0.75%) CISSP
10 2 (0.38%) CCNP
10 2 (0.38%) CCSA
10 2 (0.38%) CREST Certified
10 2 (0.38%) GIAC
10 2 (0.38%) ISTQB
10 2 (0.38%) Numerate Degree
11 1 (0.19%) PRINCE2 Practitioner
Quality Assurance & Compliance
1 32 (6.03%) QA
2 7 (1.32%) JTAG
2 7 (1.32%) MiFID
3 5 (0.94%) WCAG
4 4 (0.75%) Data Quality
4 4 (0.75%) ISO/IEC 27001
4 4 (0.75%) NCSC
4 4 (0.75%) NIST
5 3 (0.56%) SLA
6 1 (0.19%) Basel III
6 1 (0.19%) GDPR
6 1 (0.19%) Government Security Classifications
6 1 (0.19%) PCI DSS
System Software
1 89 (16.76%) Docker
2 8 (1.51%) Virtual Machines
3 2 (0.38%) Apache ZooKeeper
3 2 (0.38%) etcd
3 2 (0.38%) Varnish
3 2 (0.38%) VMware Infrastructure
3 2 (0.38%) Xen
4 1 (0.19%) Apache Flume
4 1 (0.19%) HDFS
4 1 (0.19%) Snort
Systems Management
1 88 (16.57%) Kubernetes
2 78 (14.69%) Terraform
3 59 (11.11%) Ansible
4 26 (4.90%) Puppet
5 21 (3.95%) Opscode Chef
6 8 (1.51%) Istio
6 8 (1.51%) Kibana
7 7 (1.32%) Argo
8 6 (1.13%) ITRS Geneos
9 5 (0.94%) logstash
10 4 (0.75%) CloudHub
10 4 (0.75%) Consul
10 4 (0.75%) Nessus
11 3 (0.56%) Rundeck
12 2 (0.38%) Docker Swarm
12 2 (0.38%) Grafana
12 2 (0.38%) OpenVAS
12 2 (0.38%) Packer
12 2 (0.38%) Salt
13 1 (0.19%) Prometheus
Vendors
1 43 (8.10%) Oracle
2 37 (6.97%) Google
3 33 (6.21%) Microsoft
4 17 (3.20%) IBM
5 15 (2.82%) Splunk
6 14 (2.64%) Databricks
7 12 (2.26%) Salesforce.com
8 9 (1.69%) MuleSoft
9 8 (1.51%) SAP
10 7 (1.32%) Confluent
11 6 (1.13%) Citrix
12 5 (0.94%) BiZZdesign
12 5 (0.94%) HP
13 3 (0.56%) Adobe
13 3 (0.56%) Dynatrace
13 3 (0.56%) hybris
13 3 (0.56%) Red Hat
13 3 (0.56%) ServiceNow
13 3 (0.56%) Sun
13 3 (0.56%) webMethods