Period
to 17 February 2020

The following table provides summary statistics for contract job vacancies advertised in Bristol with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 6 months to 17 February 2020 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.

Test-Driven Development (TDD)
South West > Bristol
6 months to
17 Feb 2020
Same period 2019 Same period 2018
Rank 57 28 34
Rank change year-on-year -29 +6 -6
Contract jobs citing TDD 62 134 92
As % of all contract IT jobs advertised in Bristol 3.43% 6.53% 4.90%
As % of the Processes & Methodologies category 4.19% 7.68% 5.89%
Number of daily rates quoted 49 95 65
Bristol median daily rate £525 £438 £450
Median daily rate % change year-on-year +20.00% -2.78% +18.42%
10th Percentile £350 £363 £313
90th Percentile £575 £594 £525
South West median daily rate £500 £450 £413
% change year-on-year +11.11% +9.09% +15.38%
Number of hourly rates quoted 0 4 0
Bristol median hourly rate - £56.25 -
South West median hourly rate £47.50 £56.25 -
% change year-on-year -15.56% - -

TDD 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 Bristol with a requirement for process or methodology skills.

All Process and Methodology Skills
Bristol
Contract vacancies with a requirement for process or methodology skills 1,480 1,745 1,561
As % of all contract IT jobs advertised in Bristol 81.95% 85.04% 83.08%
Number of daily rates quoted 967 1,199 1,030
Bristol median daily rate £450 £425 £395
Median daily rate % change year-on-year +5.88% +7.59% +5.33%
10th Percentile £309 £294 £258
90th Percentile £625 £575 £538
South West median daily rate £450 £434 £400
% change year-on-year +3.75% +8.44% +5.96%
Number of hourly rates quoted 58 64 34
Bristol median hourly rate £35.00 £38.50 £17.50
Median hourly rate % change year-on-year -9.09% +120.00% -30.00%
10th Percentile £15.04 £13.45 £11.40
90th Percentile £52.50 £63.51 £49.25
South West median hourly rate £35.00 £40.00 £30.75
% change year-on-year -12.50% +30.08% -18.00%

TDD
Job Vacancy Trend in Bristol

Job postings citing TDD as a percentage of all IT jobs advertised in Bristol.

Job vacancy trend for TDD in Bristol

TDD
Contractor Daily Rate Trend in Bristol

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

Contractor daily rate trend for TDD in Bristol

TDD
Contractor Daily Rate Histogram in Bristol

The daily rate distribution of IT jobs citing TDD in Bristol over the 6 months to 17 February 2020.

Contractor daily rate histogram for TDD in Bristol

TDD
Contractor Hourly Rate Trend in Bristol

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing TDD in Bristol.

Contractor hourly rate trend for TDD in Bristol

For the 6 months to 17 February 2020, IT contractor jobs citing TDD 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 Bristol region with a requirement for TDD.

1 47 (75.81%) Agile Software Development
2 29 (46.77%) Java
2 29 (46.77%) Scrum
3 26 (41.94%) Finance
3 26 (41.94%) BDD
4 20 (32.26%) Maven
4 20 (32.26%) Business Intelligence
5 18 (29.03%) RESTful
5 18 (29.03%) Continuous Integration
6 17 (27.42%) SQL
7 16 (25.81%) Software Engineering
7 16 (25.81%) Scala
7 16 (25.81%) Hadoop
7 16 (25.81%) Git (software)
7 16 (25.81%) Jenkins
7 16 (25.81%) Apache Spark
8 15 (24.19%) Functional Programming
8 15 (24.19%) SOAP
8 15 (24.19%) Web Services
8 15 (24.19%) SOA
9 14 (22.58%) Middleware
9 14 (22.58%) Apache Hive
9 14 (22.58%) Big Data
9 14 (22.58%) Sonatype Nexus
9 14 (22.58%) IBM UrbanCode
10 13 (20.97%) Computer Science Degree
10 13 (20.97%) Hortonworks
10 13 (20.97%) Kafka
10 13 (20.97%) Analytics
10 13 (20.97%) User Stories

TDD
Co-occurring IT Skills in Bristol 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 16 (25.81%) Apache Spark
2 13 (20.97%) Apache
3 11 (17.74%) Mule
3 11 (17.74%) Red Hat Fuse
4 10 (16.13%) Oracle Service Bus
4 10 (16.13%) Oracle SOA Suite
5 2 (3.23%) Confluence
5 2 (3.23%) Luigi
5 2 (3.23%) Tornado
Cloud Services
1 7 (11.29%) AWS
2 1 (1.61%) AWS CloudFormation
2 1 (1.61%) Azure
2 1 (1.61%) Firebase
2 1 (1.61%) npm
Communications & Networking
1 2 (3.23%) LTE
1 2 (3.23%) Radio Access Network
Database & Business Intelligence
1 16 (25.81%) Hadoop
2 14 (22.58%) Apache Hive
2 14 (22.58%) Big Data
3 13 (20.97%) HBase
4 4 (6.45%) PostgreSQL
5 2 (3.23%) MySQL
5 2 (3.23%) Pentaho
6 1 (1.61%) Spark SQL
Development Applications
1 20 (32.26%) Maven
2 16 (25.81%) Git (software)
2 16 (25.81%) Jenkins
3 14 (22.58%) IBM UrbanCode
3 14 (22.58%) Sonatype Nexus
4 2 (3.23%) JIRA
4 2 (3.23%) Selenium
4 2 (3.23%) SpecFlow
5 1 (1.61%) Artifactory
5 1 (1.61%) Cucumber
5 1 (1.61%) GitLab
5 1 (1.61%) Gradle
5 1 (1.61%) Postman
5 1 (1.61%) SoapUI
General
1 26 (41.94%) Finance
2 13 (20.97%) Telecoms
3 11 (17.74%) Electronics
3 11 (17.74%) Manufacturing
3 11 (17.74%) Marketing
3 11 (17.74%) Public Sector
4 7 (11.29%) Banking
5 1 (1.61%) Financial Institution
Job Titles
1 32 (51.61%) Developer
2 14 (22.58%) Java Developer
3 13 (20.97%) Big Data Engineer
3 13 (20.97%) Data Engineer
4 10 (16.13%) Senior Developer
4 10 (16.13%) Senior Java Developer
5 7 (11.29%) Integration Developer
6 6 (9.68%) Front End Developer (Client-Side Developer)
7 4 (6.45%) Analyst
7 4 (6.45%) Test Engineer
8 3 (4.84%) .NET Developer
8 3 (4.84%) Python Developer
8 3 (4.84%) Technical Analyst
9 2 (3.23%) Lead Java Developer
9 2 (3.23%) Network Design Specialist
9 2 (3.23%) Network Specialist
9 2 (3.23%) SOA Developer
9 2 (3.23%) Technical Specialist
9 2 (3.23%) Technical Test Analyst
9 2 (3.23%) Test Automation Engineer
Libraries, Frameworks & Software Standards
1 18 (29.03%) RESTful
2 15 (24.19%) SOAP
2 15 (24.19%) Web Services
3 14 (22.58%) Middleware
4 13 (20.97%) Kafka
5 11 (17.74%) Apache Camel
5 11 (17.74%) XML
6 7 (11.29%) AngularJS
6 7 (11.29%) JSON
6 7 (11.29%) Node.js
6 7 (11.29%) Spring
7 6 (9.68%) React
7 6 (9.68%) Swagger
7 6 (9.68%) WireMock
7 6 (9.68%) XSLT
8 5 (8.06%) HTML
8 5 (8.06%) Spring Integration
9 4 (6.45%) CSS
9 4 (6.45%) REST
10 3 (4.84%) .NET
Miscellaneous
1 11 (17.74%) Management Information System
2 7 (11.29%) Greenfield Project
3 6 (9.68%) Analytical Skills
4 3 (4.84%) Enterprise Software
5 1 (1.61%) Public Cloud
5 1 (1.61%) User Experience
Operating Systems
1 2 (3.23%) Android
1 2 (3.23%) Linux
2 1 (1.61%) Apple iOS
2 1 (1.61%) Red Hat Enterprise Linux
Processes & Methodologies
1 47 (75.81%) Agile Software Development
2 29 (46.77%) Scrum
3 26 (41.94%) BDD
4 20 (32.26%) Business Intelligence
5 18 (29.03%) Continuous Integration
6 16 (25.81%) Software Engineering
7 15 (24.19%) Functional Programming
7 15 (24.19%) SOA
8 13 (20.97%) Analytics
8 13 (20.97%) Computer Science
8 13 (20.97%) Data Modelling
8 13 (20.97%) Mentoring
8 13 (20.97%) Stakeholder Management
8 13 (20.97%) User Stories
9 11 (17.74%) Digital Marketing
9 11 (17.74%) Programme Management
9 11 (17.74%) Project Delivery
9 11 (17.74%) Use Case
10 8 (12.90%) DevOps
10 8 (12.90%) Test Automation
Programming Languages
1 29 (46.77%) Java
2 17 (27.42%) SQL
3 16 (25.81%) Scala
4 11 (17.74%) JavaScript
5 10 (16.13%) C
6 6 (9.68%) C#
6 6 (9.68%) Java 8
6 6 (9.68%) XPath
7 3 (4.84%) C++
7 3 (4.84%) Python
7 3 (4.84%) TypeScript
8 1 (1.61%) Elm
8 1 (1.61%) ES6
8 1 (1.61%) Groovy
8 1 (1.61%) Haskell
8 1 (1.61%) Kotlin
Qualifications
1 13 (20.97%) Computer Science Degree
1 13 (20.97%) Degree
2 3 (4.84%) Security Cleared
3 2 (3.23%) DV Cleared
4 1 (1.61%) SC Cleared
Quality Assurance & Compliance
1 2 (3.23%) QA
2 1 (1.61%) IFRS
System Software
1 13 (20.97%) HDFS
2 5 (8.06%) Docker
Systems Management
1 13 (20.97%) Hadoop YARN
2 3 (4.84%) Ansible
3 2 (3.23%) Kubernetes
3 2 (3.23%) Opscode Chef
3 2 (3.23%) Puppet
3 2 (3.23%) Terraform
4 1 (1.61%) Grafana
Vendors
1 13 (20.97%) Hortonworks
2 11 (17.74%) SAP
2 11 (17.74%) WSO2
3 10 (16.13%) Oracle
4 5 (8.06%) Talend
5 2 (3.23%) BT
5 2 (3.23%) Google
6 1 (1.61%) Red Hat
6 1 (1.61%) Xamarin