Period
to 16 January 2019

The following table provides summary statistics for contract job vacancies advertised in Twickenham 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 16 January 2019 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)
6 months to
16 Jan 2019
Same period 2018 Same period 2017
Rank 10 11 10
Rank change year-on-year +1 -1 -3
Contract jobs citing BDD 4 1 1
As % of all contract IT jobs advertised in Twickenham 8.51% 2.08% 2.70%
As % of the Processes & Methodologies category 9.09% 2.78% 3.45%
Number of daily rates quoted 4 1 0
Twickenham median daily rate £513 £400 -
Median daily rate % change year-on-year +28.13% - -
Richmond upon Thames median daily rate £490 £413 -
% change year-on-year +18.79% - -
Number of hourly rates quoted 0 0 0
Twickenham median hourly rate - - -
Richmond upon Thames median hourly rate - - -

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 Twickenham with a requirement for process or methodology skills.

All Process and Methodology Skills
Twickenham
Contract vacancies with a requirement for process or methodology skills 44 36 29
As % of all contract IT jobs advertised in Twickenham 93.62% 75.00% 78.38%
Number of daily rates quoted 34 28 25
Twickenham median daily rate £438 £375 £400
Median daily rate % change year-on-year +16.67% -6.25% +6.67%
10th Percentile £237 £213 £295
90th Percentile £538 £441 £475
Richmond upon Thames median daily rate £475 £400 £375
% change year-on-year +18.75% +6.67% -
Number of hourly rates quoted 2 2 2
Twickenham median hourly rate £32.00 £15.39 £22.00
Median hourly rate % change year-on-year +107.93% -30.05% -51.11%
10th Percentile £14.80 £11.95 £21.00
90th Percentile £49.60 £18.34 £23.00
Richmond upon Thames median hourly rate £32.00 £18.00 £22.00
% change year-on-year +77.78% -18.18% -51.11%

BDD
Job Vacancy Trend in Twickenham

Job postings citing BDD as a percentage of all IT jobs advertised in Twickenham.

Job vacancy trend for BDD in Twickenham

BDD
Contractor Daily Rate Trend in Twickenham

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing BDD in Twickenham.

Contractor daily rate trend for BDD in Twickenham

For the 6 months to 16 January 2019, 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 Twickenham region with a requirement for BDD.

1 4 (100.00%) Agile Software Development
1 4 (100.00%) TDD
2 3 (75.00%) Amazon AWS
2 3 (75.00%) C#
2 3 (75.00%) JavaScript
2 3 (75.00%) AngularJS
2 3 (75.00%) TypeScript
2 3 (75.00%) .NET
3 2 (50.00%) Continuous Delivery
3 2 (50.00%) .NET Core
3 2 (50.00%) Git (software)
3 2 (50.00%) Octopus Deploy
3 2 (50.00%) SQL
3 2 (50.00%) Java
3 2 (50.00%) Scrum
3 2 (50.00%) NoSQL
4 1 (25.00%) Node.js
4 1 (25.00%) REST
4 1 (25.00%) ATDD
4 1 (25.00%) jQuery
4 1 (25.00%) Visual Studio Team System
4 1 (25.00%) DevOps
4 1 (25.00%) Microservices
4 1 (25.00%) Test Automation
4 1 (25.00%) Microsoft Azure
4 1 (25.00%) React
4 1 (25.00%) Serverless
4 1 (25.00%) ES6
4 1 (25.00%) AWS Lambda

BDD
Co-occurring IT Skills in Twickenham 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:

Cloud Services
1 3 (75.00%) Amazon AWS
2 1 (25.00%) AWS Lambda
2 1 (25.00%) Microsoft Azure
2 1 (25.00%) Serverless
Database & Business Intelligence
1 2 (50.00%) NoSQL
Development Applications
1 2 (50.00%) Git (software)
1 2 (50.00%) Octopus Deploy
2 1 (25.00%) Visual Studio Team System
Job Titles
1 4 (100.00%) Developer
2 3 (75.00%) Full Stack Developer
3 2 (50.00%) .NET Developer
3 2 (50.00%) Java Developer
4 1 (25.00%) JavaScript Developer
Libraries, Frameworks & Software Standards
1 3 (75.00%) .NET
1 3 (75.00%) AngularJS
2 2 (50.00%) .NET Core
3 1 (25.00%) jQuery
3 1 (25.00%) Node.js
3 1 (25.00%) React
3 1 (25.00%) REST
Processes & Methodologies
1 4 (100.00%) Agile Software Development
1 4 (100.00%) TDD
2 2 (50.00%) Continuous Delivery
2 2 (50.00%) Scrum
3 1 (25.00%) ATDD
3 1 (25.00%) DevOps
3 1 (25.00%) Microservices
3 1 (25.00%) Test Automation
Programming Languages
1 3 (75.00%) C#
1 3 (75.00%) JavaScript
1 3 (75.00%) TypeScript
2 2 (50.00%) Java
2 2 (50.00%) SQL
3 1 (25.00%) ES6