Period
to 29 July 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 29 July 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
29 Jul 2021
Same period 2020 Same period 2019
Rank 51 66 54
Rank change year-on-year +15 -12 -2
Contract jobs citing BDD 143 80 278
As % of all contract jobs advertised in the City of London 4.17% 3.39% 4.24%
As % of the Processes & Methodologies category 4.59% 3.83% 4.68%
Number of daily rates quoted 109 63 238
10th Percentile £425 £406 £425
25th Percentile £513 £463 £502
Median daily rate (50th Percentile) £600 £525 £550
Median % change year-on-year +14.29% -4.55% +4.76%
75th Percentile £688 £594 £645
90th Percentile £691 £670 £688
Central London median daily rate £600 £525 £550
% change year-on-year +14.29% -4.55% +7.32%
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 3,118 2,088 5,936
As % of all contract IT jobs advertised in the City of London 90.98% 88.47% 90.47%
Number of daily rates quoted 2,287 1,545 4,657
10th Percentile £363 £338 £350
25th Percentile £450 £425 £425
Median daily rate (50th Percentile) £550 £525 £525
Median % change year-on-year +4.76% - +2.44%
75th Percentile £642 £603 £600
90th Percentile £725 £688 £675
Central London median daily rate £550 £513 £525
% change year-on-year +7.32% -2.38% +5.00%
Number of hourly rates quoted 37 40 69
10th Percentile £10.10 £12.42 £11.25
25th Percentile £14.25 £14.38 £12.76
Median hourly rate £23.45 £34.50 £19.00
Median % change year-on-year -32.03% +81.58% +1.60%
75th Percentile £33.75 £40.93 £37.50
90th Percentile £53.80 £52.90 £47.30
Central London median hourly rate £22.50 £33.59 £19.38
% change year-on-year -33.01% +73.35% +3.61%

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 29 July 2021.

Daily rate histogram for BDD in the City of London

For the 6 months to 29 July 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.

1 127 (88.81%) TDD
2 112 (78.32%) Agile Software Development
3 70 (48.95%) Java
4 56 (39.16%) Git (software)
5 50 (34.97%) Test Automation
6 48 (33.57%) Azure
7 44 (30.77%) Continuous Improvement
8 41 (28.67%) DevOps
9 37 (25.87%) SQL
10 35 (24.48%) SDLC
11 34 (23.78%) User Stories
12 32 (22.38%) Front Office
12 32 (22.38%) Finance
13 31 (21.68%) .NET
13 31 (21.68%) Low Latency
14 29 (20.28%) Microservices
14 29 (20.28%) Scrum
15 28 (19.58%) Continuous Integration
16 27 (18.88%) Multithreading
16 27 (18.88%) Java 11
17 23 (16.08%) Docker
17 23 (16.08%) JIRA
18 22 (15.38%) Foreign Exchange (FX)
18 22 (15.38%) AWS
19 21 (14.69%) Electronic Trading
19 21 (14.69%) Fixed Income
19 21 (14.69%) C#
19 21 (14.69%) Problem-Solving
20 20 (13.99%) Self-Motivation
20 20 (13.99%) Garbage Collection

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 (4.20%) Apache Spark
2 4 (2.80%) nginx
3 3 (2.10%) Confluence
4 2 (1.40%) Elasticsearch
4 2 (1.40%) JBoss
4 2 (1.40%) WebLogic
5 1 (0.70%) CMS
5 1 (0.70%) Oracle Coherence
Business Applications
1 1 (0.70%) Magento
1 1 (0.70%) Payment Gateway
1 1 (0.70%) RMDS
Cloud Services
1 48 (33.57%) Azure
2 22 (15.38%) AWS
3 10 (6.99%) GitHub
4 4 (2.80%) Serverless
5 2 (1.40%) SaaS
5 2 (1.40%) Slack
6 1 (0.70%) BlazeMeter
6 1 (0.70%) BrowserStack
6 1 (0.70%) GCP
6 1 (0.70%) npm
6 1 (0.70%) PaaS
6 1 (0.70%) Power Platform
6 1 (0.70%) Quay.io
6 1 (0.70%) Salesforce Service Cloud
6 1 (0.70%) Sauce Labs
6 1 (0.70%) Stripe
Communications & Networking
1 2 (1.40%) HTTP
2 1 (0.70%) Internet
Database & Business Intelligence
1 19 (13.29%) Tableau
2 18 (12.59%) Tableau Desktop
2 18 (12.59%) Tableau Server
3 6 (4.20%) MongoDB
4 5 (3.50%) SQL Server
5 4 (2.80%) Data Warehouse
5 4 (2.80%) Hadoop
5 4 (2.80%) MySQL
5 4 (2.80%) Relational Database
6 2 (1.40%) Amazon Redshift
6 2 (1.40%) Azure SQL Data Warehouse
6 2 (1.40%) Blockchain
6 2 (1.40%) Hazelcast
6 2 (1.40%) NoSQL
7 1 (0.70%) Infinispan
7 1 (0.70%) Looker
7 1 (0.70%) RDBMS
7 1 (0.70%) SQL Server Analysis Services
7 1 (0.70%) SQL Server Integration Services
7 1 (0.70%) SQL Server Reporting Services
Development Applications
1 56 (39.16%) Git (software)
2 23 (16.08%) JIRA
3 19 (13.29%) Octopus Deploy
4 14 (9.79%) Cucumber
4 14 (9.79%) Selenium
5 13 (9.09%) SpecFlow
6 12 (8.39%) Jenkins
7 10 (6.99%) Maven
8 7 (4.90%) Eclipse
8 7 (4.90%) IntelliJ
8 7 (4.90%) JUnit
9 6 (4.20%) JMeter
9 6 (4.20%) NUnit
9 6 (4.20%) Visual Studio
10 5 (3.50%) Mockito
10 5 (3.50%) Postman
11 4 (2.80%) Appium
11 4 (2.80%) WebDriver
12 3 (2.10%) Bitbucket
12 3 (2.10%) Jasmine
General
1 32 (22.38%) Finance
1 32 (22.38%) Front Office
2 18 (12.59%) Banking
3 12 (8.39%) Analytical Skills
4 10 (6.99%) Retail
5 9 (6.29%) Social Skills
6 4 (2.80%) Marketing
7 2 (1.40%) Advertising
7 2 (1.40%) Public Sector
7 2 (1.40%) Telecoms
8 1 (0.70%) Games
8 1 (0.70%) Investment Banking
8 1 (0.70%) Publishing
Job Titles
1 101 (70.63%) Developer
2 52 (36.36%) Java Developer
3 15 (10.49%) Analyst
4 11 (7.69%) Analyst Developer
5 10 (6.99%) C# Developer
6 9 (6.29%) E-Commerce Developer
6 9 (6.29%) Java E-Commerce Developer
7 7 (4.90%) Front Office Developer
7 7 (4.90%) Risk Analyst
7 7 (4.90%) SQL Developer
8 6 (4.20%) Asset Management Analyst
8 6 (4.20%) React Developer
8 6 (4.20%) Risk Management Analyst
8 6 (4.20%) Senior Developer
8 6 (4.20%) Test Engineer
9 5 (3.50%) Tester
10 4 (2.80%) Automation Tester
10 4 (2.80%) Data Engineer
10 4 (2.80%) Scala Developer
11 3 (2.10%) iOS Android Developer
Libraries, Frameworks & Software Standards
1 31 (21.68%) .NET
2 16 (11.19%) React
3 15 (10.49%) CSS
3 15 (10.49%) HTML
4 14 (9.79%) Kafka
4 14 (9.79%) RESTful
4 14 (9.79%) Spring
5 13 (9.09%) AngularJS
6 11 (7.69%) Gherkin
6 11 (7.69%) HTML5
7 10 (6.99%) Node.js
8 7 (4.90%) RAML
8 7 (4.90%) Swagger
8 7 (4.90%) Web Services
9 6 (4.20%) J2EE
9 6 (4.20%) REST
10 5 (3.50%) Redux
10 5 (3.50%) Spring Boot
11 4 (2.80%) CSS3
12 3 (2.10%) SQLAlchemy
Miscellaneous
1 22 (15.38%) Foreign Exchange (FX)
2 21 (14.69%) Fixed Income
3 20 (13.99%) Enterprise Software
3 20 (13.99%) Self-Motivation
4 13 (9.09%) Greenfield Project
5 8 (5.59%) Derivative
6 7 (4.90%) Algorithms
6 7 (4.90%) Data Structures
6 7 (4.90%) Interest Rate Derivative
7 4 (2.80%) Equities
7 4 (2.80%) Mobile App
8 2 (1.40%) Management Information System
9 1 (0.70%) Cyberattack
9 1 (0.70%) Hedge funds
9 1 (0.70%) Reference Data
9 1 (0.70%) User Experience
9 1 (0.70%) Virtual Team
Operating Systems
1 5 (3.50%) Apple iOS
2 3 (2.10%) Android
3 2 (1.40%) Linux
3 2 (1.40%) Unix
Processes & Methodologies
1 127 (88.81%) TDD
2 112 (78.32%) Agile Software Development
3 50 (34.97%) Test Automation
4 44 (30.77%) Continuous Improvement
5 41 (28.67%) DevOps
6 35 (24.48%) SDLC
7 34 (23.78%) User Stories
8 31 (21.68%) Low Latency
9 29 (20.28%) Microservices
9 29 (20.28%) Scrum
10 28 (19.58%) Continuous Integration
11 27 (18.88%) Multithreading
12 21 (14.69%) Electronic Trading
12 21 (14.69%) Problem-Solving
13 20 (13.99%) Analytics
13 20 (13.99%) Garbage Collection
14 19 (13.29%) Pair Programming
14 19 (13.29%) Scaled Agile Framework
15 18 (12.59%) Data Analysis
15 18 (12.59%) Deployment Automation
Programming Languages
1 70 (48.95%) Java
2 37 (25.87%) SQL
3 27 (18.88%) Java 11
4 21 (14.69%) C#
5 19 (13.29%) JavaScript
6 15 (10.49%) Java 8
6 15 (10.49%) TypeScript
7 9 (6.29%) Scala
8 8 (5.59%) Go
8 8 (5.59%) Python
9 6 (4.20%) Bash Shell
10 2 (1.40%) Apple Swift
10 2 (1.40%) Ruby
11 1 (0.70%) Clojure
11 1 (0.70%) ES6
11 1 (0.70%) F#
11 1 (0.70%) JSX
11 1 (0.70%) Kotlin
11 1 (0.70%) PowerShell
11 1 (0.70%) Rust
Qualifications
1 9 (6.29%) Security Cleared
2 7 (4.90%) SC Cleared
3 1 (0.70%) BC Cleared
3 1 (0.70%) Degree
Quality Assurance & Compliance
1 14 (9.79%) QA
2 4 (2.80%) Accessibility
System Software
1 23 (16.08%) Docker
Systems Management
1 12 (8.39%) Kubernetes
2 2 (1.40%) Grafana
2 2 (1.40%) Prometheus
2 2 (1.40%) Rancher
3 1 (0.70%) Ansible
3 1 (0.70%) Opscode Chef
3 1 (0.70%) Puppet
3 1 (0.70%) Terraform
Vendors
1 5 (3.50%) Salesforce.com
2 3 (2.10%) HP
2 3 (2.10%) IBM
2 3 (2.10%) Oracle
2 3 (2.10%) Xamarin
3 2 (1.40%) Charles River
3 2 (1.40%) Salesforce Marketing Cloud
3 2 (1.40%) Splunk
3 2 (1.40%) Sybase
4 1 (0.70%) ION Trading
4 1 (0.70%) Microsoft
4 1 (0.70%) MuleSoft
4 1 (0.70%) New Relic
4 1 (0.70%) Pardot
4 1 (0.70%) Solace
4 1 (0.70%) WorldPay
4 1 (0.70%) Zend