Period
to 18 October 2021

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for BDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited BDD over the 6 months to 18 October 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.

Behaviour-Driven Development (BDD)
Central London > City of London
6 months to
18 Oct 2021
Same period 2020 Same period 2019
Rank 58 58 52
Rank change year-on-year 0 -6 -10
Contract jobs citing BDD 142 64 248
As % of all contract jobs advertised in the City of London 3.68% 3.61% 4.15%
As % of the Processes & Methodologies category 4.04% 4.06% 4.58%
Number of daily rates quoted 109 46 217
10th Percentile £423 £360 £425
25th Percentile £508 £463 £505
Median daily rate (50th Percentile) £600 £538 £550
Median % change year-on-year +11.63% -2.27% +4.76%
75th Percentile £688 £629 £625
90th Percentile £775 £659 £688
Central London median daily rate £600 £550 £550
% change year-on-year +9.09% - +4.76%
Number of hourly rates quoted 1 0 0
Median hourly rate £25.50 - -
Central London median hourly rate £25.50 - -

BDD 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 3,516 1,578 5,411
As % of all contract IT jobs advertised in the City of London 91.11% 89.05% 90.65%
Number of daily rates quoted 2,642 1,183 4,302
10th Percentile £363 £313 £325
25th Percentile £463 £413 £425
Median daily rate (50th Percentile) £550 £515 £525
Median % change year-on-year +6.80% -1.90% +3.96%
75th Percentile £650 £600 £600
90th Percentile £748 £675 £676
Central London median daily rate £550 £515 £513
% change year-on-year +6.80% +0.49% +2.50%
Number of hourly rates quoted 37 30 62
10th Percentile £10.10 £14.95 £11.78
25th Percentile £18.25 £18.13 £12.76
Median hourly rate £28.00 £32.75 £17.75
Median % change year-on-year -14.50% +84.51% -5.08%
75th Percentile £42.25 £44.50 £25.94
90th Percentile £62.15 £47.75 £49.29
Central London median hourly rate £30.00 £32.00 £20.00
% change year-on-year -6.25% +60.00% +6.95%

BDD
Job Vacancy Trend in the City of London

Job postings citing BDD as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for BDD in the City of London

BDD
Contractor Daily Rate Trend in the City of London

3-month moving average daily rate quoted in jobs citing BDD in the City of London.

Daily rate trend for BDD in the City of London

BDD
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing BDD in the City of London over the 6 months to 18 October 2021.

Daily rate histogram for BDD in the City of London

For the 6 months to 18 October 2021, IT contractor jobs citing BDD 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 BDD.

1 123 (86.62%) TDD
2 107 (75.35%) Agile Software Development
3 69 (48.59%) Java
4 41 (28.87%) Microservices
5 40 (28.17%) Test Automation
6 36 (25.35%) Git (software)
7 34 (23.94%) SQL
8 31 (21.83%) Azure
9 30 (21.13%) Scrum
9 30 (21.13%) DevOps
10 28 (19.72%) Docker
10 28 (19.72%) AWS
11 27 (19.01%) Continuous Integration
12 26 (18.31%) Finance
13 25 (17.61%) Pair Programming
14 24 (16.90%) Continuous Improvement
14 24 (16.90%) Java 11
15 23 (16.20%) Multithreading
15 23 (16.20%) Front Office
15 23 (16.20%) Spring
15 23 (16.20%) JavaScript
16 21 (14.79%) Python
17 20 (14.08%) Banking
17 20 (14.08%) Low Latency
17 20 (14.08%) SDLC
18 19 (13.38%) JIRA
18 19 (13.38%) RESTful
18 19 (13.38%) Foreign Exchange (FX)
19 18 (12.68%) CSS
19 18 (12.68%) HTML

BDD
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 6 (4.23%) Apache Spark
1 6 (4.23%) Confluence
2 3 (2.11%) nginx
2 3 (2.11%) Oracle Coherence
3 2 (1.41%) Apache
3 2 (1.41%) Apache Airflow
3 2 (1.41%) Elasticsearch
3 2 (1.41%) JBoss
3 2 (1.41%) WebLogic
4 1 (0.70%) CMS
4 1 (0.70%) Oracle SOA Suite
Applications
1 1 (0.70%) Microsoft Office
Business Applications
1 1 (0.70%) Magento
1 1 (0.70%) Payment Gateway
1 1 (0.70%) RMDS
Cloud Services
1 31 (21.83%) Azure
2 28 (19.72%) AWS
3 9 (6.34%) GitHub
4 7 (4.93%) Serverless
5 2 (1.41%) Amazon CloudWatch
5 2 (1.41%) Amazon EMR
5 2 (1.41%) AWS Lambda
5 2 (1.41%) GCP
5 2 (1.41%) Power Platform
5 2 (1.41%) SaaS
5 2 (1.41%) Slack
6 1 (0.70%) BlazeMeter
6 1 (0.70%) BrowserStack
6 1 (0.70%) FinancialForce
6 1 (0.70%) Google Analytics
6 1 (0.70%) npm
6 1 (0.70%) Quay.io
6 1 (0.70%) Salesforce Sales Cloud
6 1 (0.70%) Salesforce Service Cloud
6 1 (0.70%) Sauce Labs
Communications & Networking
1 2 (1.41%) HTTP
2 1 (0.70%) Internet
Database & Business Intelligence
1 12 (8.45%) MongoDB
2 11 (7.75%) MySQL
2 11 (7.75%) Relational Database
3 10 (7.04%) SQL Server
4 8 (5.63%) PostgreSQL
5 6 (4.23%) Data Warehouse
5 6 (4.23%) Oracle Database
5 6 (4.23%) RDBMS
6 5 (3.52%) NoSQL
6 5 (3.52%) Tableau
6 5 (3.52%) Tableau Desktop
6 5 (3.52%) Tableau Server
7 4 (2.82%) Hazelcast
8 3 (2.11%) Apache Ignite
8 3 (2.11%) Infinispan
8 3 (2.11%) SQL Server Integration Services
9 2 (1.41%) Amazon Redshift
9 2 (1.41%) Azure SQL Data Warehouse
9 2 (1.41%) Blockchain
9 2 (1.41%) Power BI
Development Applications
1 36 (25.35%) Git (software)
2 19 (13.38%) JIRA
3 18 (12.68%) SpecFlow
4 17 (11.97%) Selenium
5 16 (11.27%) Cucumber
6 10 (7.04%) Jenkins
6 10 (7.04%) Maven
7 9 (6.34%) Octopus Deploy
8 8 (5.63%) WebDriver
9 7 (4.93%) Appium
10 6 (4.23%) Postman
11 5 (3.52%) Gatling
11 5 (3.52%) JMeter
11 5 (3.52%) JUnit
11 5 (3.52%) Mockito
11 5 (3.52%) Visual Studio
12 4 (2.82%) Eclipse
12 4 (2.82%) IntelliJ
12 4 (2.82%) NUnit
12 4 (2.82%) TestNG
General
1 26 (18.31%) Finance
2 23 (16.20%) Front Office
3 20 (14.08%) Banking
4 15 (10.56%) Analytical Skills
5 13 (9.15%) Social Skills
6 8 (5.63%) Retail
7 5 (3.52%) Investment Banking
8 3 (2.11%) Marketing
8 3 (2.11%) Telecoms
9 2 (1.41%) Advertising
10 1 (0.70%) Games
10 1 (0.70%) Military
10 1 (0.70%) Police
10 1 (0.70%) Publishing
Job Titles
1 95 (66.90%) Developer
2 52 (36.62%) Java Developer
3 10 (7.04%) Python Developer
4 9 (6.34%) Scala Developer
5 7 (4.93%) Senior Developer
6 6 (4.23%) Analyst
6 6 (4.23%) Data Engineer
6 6 (4.23%) Python Engineer
6 6 (4.23%) Software Engineer
6 6 (4.23%) SQL Developer
6 6 (4.23%) Test Engineer
6 6 (4.23%) Test Leader
6 6 (4.23%) Tester
7 5 (3.52%) Automation Test Lead
7 5 (3.52%) Java Engineer
7 5 (3.52%) React Developer
8 4 (2.82%) Angular Developer
8 4 (2.82%) C# Developer
8 4 (2.82%) Senior Data Engineer
8 4 (2.82%) Software Developer
Libraries, Frameworks & Software Standards
1 23 (16.20%) Spring
2 19 (13.38%) RESTful
3 18 (12.68%) CSS
3 18 (12.68%) HTML
4 17 (11.97%) Kafka
5 16 (11.27%) React
6 15 (10.56%) .NET
7 14 (9.86%) AngularJS
8 13 (9.15%) Gherkin
8 13 (9.15%) Node.js
8 13 (9.15%) Spring Boot
9 10 (7.04%) REST
10 9 (6.34%) Web Services
11 8 (5.63%) HTML5
12 5 (3.52%) CSS3
12 5 (3.52%) JSON
12 5 (3.52%) Redux
12 5 (3.52%) Sass
12 5 (3.52%) XML
13 4 (2.82%) RAML
Miscellaneous
1 19 (13.38%) Foreign Exchange (FX)
2 15 (10.56%) Enterprise Software
3 9 (6.34%) Data Structures
3 9 (6.34%) Self-Motivation
4 8 (5.63%) Fixed Income
5 6 (4.23%) Algorithms
5 6 (4.23%) Greenfield Project
6 5 (3.52%) Legacy Systems
6 5 (3.52%) Management Information System
7 4 (2.82%) Derivative
7 4 (2.82%) Equities
7 4 (2.82%) Interest Rate Derivative
7 4 (2.82%) Mobile App
8 3 (2.11%) Hybrid Cloud
8 3 (2.11%) Reference Data
9 2 (1.41%) Public Cloud
9 2 (1.41%) User Experience
10 1 (0.70%) Cloud Native
10 1 (0.70%) Hedge funds
10 1 (0.70%) Virtual Team
Operating Systems
1 5 (3.52%) Apple iOS
2 4 (2.82%) Linux
3 3 (2.11%) Android
3 3 (2.11%) Unix
4 1 (0.70%) Mac OS X
4 1 (0.70%) Red Hat Enterprise Linux
Processes & Methodologies
1 123 (86.62%) TDD
2 107 (75.35%) Agile Software Development
3 41 (28.87%) Microservices
4 40 (28.17%) Test Automation
5 30 (21.13%) DevOps
5 30 (21.13%) Scrum
6 27 (19.01%) Continuous Integration
7 25 (17.61%) Pair Programming
8 24 (16.90%) Continuous Improvement
9 23 (16.20%) Multithreading
10 20 (14.08%) Low Latency
10 20 (14.08%) SDLC
11 18 (12.68%) Electronic Trading
12 15 (10.56%) Garbage Collection
12 15 (10.56%) Software Engineering
12 15 (10.56%) User Stories
13 14 (9.86%) Problem-Solving
14 13 (9.15%) OO
15 12 (8.45%) Acceptance Criteria
15 12 (8.45%) Data Engineering
Programming Languages
1 69 (48.59%) Java
2 34 (23.94%) SQL
3 24 (16.90%) Java 11
4 23 (16.20%) JavaScript
5 21 (14.79%) Python
6 18 (12.68%) Java 8
7 17 (11.97%) C#
8 15 (10.56%) Scala
9 10 (7.04%) TypeScript
10 6 (4.23%) Go
11 5 (3.52%) C
11 5 (3.52%) Ruby
12 4 (2.82%) Bash Shell
13 3 (2.11%) Apple Swift
13 3 (2.11%) VBScript
14 2 (1.41%) ES6
15 1 (0.70%) JSX
15 1 (0.70%) PHP
15 1 (0.70%) Rust
15 1 (0.70%) VB
Qualifications
1 6 (4.23%) Security Cleared
2 5 (3.52%) SC Cleared
3 3 (2.11%) Computer Science Degree
3 3 (2.11%) Degree
3 3 (2.11%) ISTQB
3 3 (2.11%) ISTQB Foundation Certification
3 3 (2.11%) Numerate Degree
3 3 (2.11%) OCPJP
3 3 (2.11%) Sun Certification
4 2 (1.41%) ISTQB Advanced Certification
Quality Assurance & Compliance
1 18 (12.68%) QA
2 7 (4.93%) Accessibility
3 2 (1.41%) WCAG
4 1 (0.70%) IFRS
4 1 (0.70%) Sarbanes-Oxley
4 1 (0.70%) Solvency II
System Software
1 28 (19.72%) Docker
Systems Management
1 17 (11.97%) Kubernetes
2 5 (3.52%) Grafana
2 5 (3.52%) Prometheus
3 2 (1.41%) Rancher
3 2 (1.41%) Terraform
4 1 (0.70%) Ansible
4 1 (0.70%) HP ALM
4 1 (0.70%) Opscode Chef
4 1 (0.70%) Puppet
Vendors
1 14 (9.86%) Oracle
2 4 (2.82%) Microsoft
3 3 (2.11%) HP
3 3 (2.11%) IBM
3 3 (2.11%) Salesforce.com
3 3 (2.11%) Sun
4 2 (1.41%) Charles River
4 2 (1.41%) Salesforce Marketing Cloud
4 2 (1.41%) Sybase
4 2 (1.41%) Xamarin
5 1 (0.70%) Adobe
5 1 (0.70%) Apple
5 1 (0.70%) Databricks
5 1 (0.70%) ION Trading
5 1 (0.70%) New Relic
5 1 (0.70%) Solace
5 1 (0.70%) Splunk
5 1 (0.70%) TIBCO
5 1 (0.70%) WorldPay
5 1 (0.70%) Zend