Period
to 10 August 2020

The following table provides summary statistics for permanent job vacancies advertised in the East of England with a requirement for TDD skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited TDD over the 6 months to 10 August 2020 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > East of England
6 months to
10 Aug 2020
Same period 2019 Same period 2018
Rank 79 38 25
Rank change year-on-year -41 -13 +5
Permanent jobs citing TDD 93 413 925
As % of all permanent jobs advertised in the East of England 3.25% 5.64% 7.89%
As % of the Processes & Methodologies category 3.61% 6.33% 8.65%
Number of salaries quoted 93 317 861
Median annual salary £50,000 £50,000 £47,500
Median salary % change year-on-year - +5.26% -
10th Percentile £35,250 £33,750 £33,750
90th Percentile £80,000 £67,500 £70,000
England median annual salary £60,000 £56,000 £52,500
% change year-on-year +7.14% +6.67% -

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the East of England with a requirement for process or methodology skills.

All Process and Methodology Skills
East of England
Permanent vacancies with a requirement for process or methodology skills 2,576 6,529 10,697
As % of all permanent IT jobs advertised in the East of England 89.98% 89.22% 91.19%
Number of salaries quoted 1,948 4,865 7,895
Median annual salary £47,500 £50,000 £47,500
Median salary % change year-on-year -5.00% +5.26% +5.56%
10th Percentile £28,750 £27,500 £27,000
90th Percentile £81,250 £73,750 £72,500
England median annual salary £55,000 £52,500 £50,000
% change year-on-year +4.76% +5.00% -

TDD
Job Vacancy Trend in the East of England

Job postings citing TDD as a proportion of all IT jobs advertised in the East of England.

Job vacancy trend for TDD in the East of England

TDD
Salary Trend in the East of England

3-month moving average salary quoted in jobs citing TDD in the East of England.

Salary trend for TDD in the East of England

TDD
Salary Histogram in the East of England

Salary distribution for jobs citing TDD in the East of England over the 6 months to 10 August 2020.

Salary histogram for TDD in the East of England

TDD
Job Locations in the East of England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the East of England region over the 6 months to 10 August 2020. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Hertfordshire -13 36 £52,500 +5.00% 12
Bedfordshire +12 19 £45,000 -14.29%
Essex -3 16 £45,000 -14.29% 4
Cambridgeshire -35 14 £75,000 +41.51% 8
Suffolk +5 5 £50,000 +25.00% 3
Norfolk +7 3 £47,500 -5.00% 1
TDD
England

For the 6 months to 10 August 2020, IT 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 permanent job ads across the East of England region with a requirement for TDD.

1 66 (70.97%) Agile Software Development
2 56 (60.22%) Azure
3 49 (52.69%) .NET
4 47 (50.54%) C#
5 43 (46.24%) AngularJS
6 41 (44.09%) SQL
7 39 (41.94%) Scrum
8 38 (40.86%) CSS
9 36 (38.71%) JavaScript
10 35 (37.63%) HTML
10 35 (37.63%) AWS
11 34 (36.56%) BDD
12 29 (31.18%) .NET Core
13 26 (27.96%) DevOps
13 26 (27.96%) Git (software)
13 26 (27.96%) Web Services
14 25 (26.88%) MVC
14 25 (26.88%) Docker
15 23 (24.73%) SQL Server
16 22 (23.66%) Continuous Integration
17 20 (21.51%) ASP.NET
17 20 (21.51%) SOLID
18 19 (20.43%) Software Delivery
18 19 (20.43%) Problem-Solving
18 19 (20.43%) Microsoft
19 18 (19.35%) ASP.NET Web API
20 17 (18.28%) Degree
20 17 (18.28%) PHP
20 17 (18.28%) HTML5
21 16 (17.20%) CSS3

TDD
Co-occurring IT Skills in the East of England 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 9 (9.68%) Elasticsearch
2 6 (6.45%) Confluence
3 1 (1.08%) Apache Spark
3 1 (1.08%) CMS
3 1 (1.08%) IIS
3 1 (1.08%) nginx
3 1 (1.08%) Tomcat
3 1 (1.08%) Umbraco
Applications
1 3 (3.23%) Adobe XD
1 3 (3.23%) InVision
1 3 (3.23%) Zeplin
Business Applications
1 3 (3.23%) Dynamics CRM
Cloud Services
1 56 (60.22%) Azure
2 35 (37.63%) AWS
3 10 (10.75%) Serverless
4 8 (8.60%) Amazon SQS
4 8 (8.60%) AWS Lambda
5 4 (4.30%) Azure Data Factory
5 4 (4.30%) GitHub
6 3 (3.23%) Dynamics 365
6 3 (3.23%) npm
7 1 (1.08%) GCP
7 1 (1.08%) PaaS
7 1 (1.08%) SaaS
Communications & Networking
1 1 (1.08%) Internet
1 1 (1.08%) TCP/IP
Database & Business Intelligence
1 23 (24.73%) SQL Server
2 13 (13.98%) MySQL
3 5 (5.38%) MongoDB
4 4 (4.30%) Data Warehouse
4 4 (4.30%) MS Access
5 3 (3.23%) SQL Server 2012
6 2 (2.15%) NoSQL
6 2 (2.15%) PostgreSQL
6 2 (2.15%) SQL Server Reporting Services
7 1 (1.08%) Apache Hive
7 1 (1.08%) Big Data
7 1 (1.08%) Cosmos DB
7 1 (1.08%) Hadoop
7 1 (1.08%) Impala
7 1 (1.08%) Neo4j
7 1 (1.08%) Relational Database
7 1 (1.08%) SQL Server Integration Services
Development Applications
1 26 (27.96%) Git (software)
2 15 (16.13%) Cypress.io
3 11 (11.83%) Jenkins
4 10 (10.75%) Bitbucket
4 10 (10.75%) Team Foundation Server
5 9 (9.68%) Selenium
6 8 (8.60%) JIRA
6 8 (8.60%) PHPUnit
6 8 (8.60%) Visual Studio
7 6 (6.45%) Jasmine
7 6 (6.45%) Karma Test Runner
8 4 (4.30%) MSTest
8 4 (4.30%) NUnit
9 3 (3.23%) Axure RP
9 3 (3.23%) Balsamiq
9 3 (3.23%) SpecFlow
9 3 (3.23%) Visual Studio Team System
9 3 (3.23%) WatiN
9 3 (3.23%) WebDriver
10 2 (2.15%) Zephyr
General
1 12 (12.90%) Finance
2 8 (8.60%) Retail
3 6 (6.45%) Legal
4 1 (1.08%) Automotive
4 1 (1.08%) Back Office
Job Titles
1 69 (74.19%) Developer
2 19 (20.43%) .NET Developer
3 15 (16.13%) React Developer
4 14 (15.05%) PHP Developer
5 13 (13.98%) Software Developer
6 10 (10.75%) C# Developer
7 9 (9.68%) Junior
7 9 (9.68%) Junior Developer
8 8 (8.60%) C# .NET Developer
8 8 (8.60%) Front End Developer (Client-Side Developer)
9 7 (7.53%) Analyst
9 7 (7.53%) Cloud Developer
9 7 (7.53%) Software Engineer
9 7 (7.53%) Test Analyst
10 6 (6.45%) .NET Software Developer
10 6 (6.45%) Backend Developer
10 6 (6.45%) Lead Developer
10 6 (6.45%) Senior Developer
11 5 (5.38%) AWS Developer
12 4 (4.30%) Symfony Developer
Libraries, Frameworks & Software Standards
1 49 (52.69%) .NET
2 43 (46.24%) AngularJS
3 38 (40.86%) CSS
4 35 (37.63%) HTML
5 29 (31.18%) .NET Core
6 26 (27.96%) Web Services
7 20 (21.51%) ASP.NET
8 18 (19.35%) ASP.NET Web API
9 17 (18.28%) HTML5
10 16 (17.20%) CSS3
11 15 (16.13%) Sass
12 13 (13.98%) RESTful
13 12 (12.90%) LESS
14 11 (11.83%) JSON
14 11 (11.83%) REST
15 10 (10.75%) jQuery
15 10 (10.75%) Vue.js
15 10 (10.75%) XML
16 9 (9.68%) .NET Framework
16 9 (9.68%) Vuetify.js
Miscellaneous
1 8 (8.60%) User Experience
2 6 (6.45%) Analytical Skills
2 6 (6.45%) Greenfield Project
3 5 (5.38%) EPoS
4 3 (3.23%) Self-Motivation
5 2 (2.15%) Data Structures
5 2 (2.15%) Embedded Systems
6 1 (1.08%) Algorithms
6 1 (1.08%) Enterprise Software
6 1 (1.08%) FMCG
6 1 (1.08%) Mobile App
Operating Systems
1 12 (12.90%) Windows
2 3 (3.23%) Linux
3 1 (1.08%) Unix
Processes & Methodologies
1 66 (70.97%) Agile Software Development
2 39 (41.94%) Scrum
3 34 (36.56%) BDD
4 26 (27.96%) DevOps
5 25 (26.88%) MVC
6 22 (23.66%) Continuous Integration
7 20 (21.51%) SOLID
8 19 (20.43%) Problem-Solving
8 19 (20.43%) Software Delivery
9 16 (17.20%) E-Commerce
9 16 (17.20%) Microservices
10 14 (15.05%) Continuous Delivery
11 13 (13.98%) Test Automation
12 12 (12.90%) Unit Testing
13 11 (11.83%) Computer Science
14 10 (10.75%) Web Development
15 9 (9.68%) Collaborative Working
15 9 (9.68%) Migration
15 9 (9.68%) OO
16 8 (8.60%) SDLC
Programming Languages
1 47 (50.54%) C#
2 41 (44.09%) SQL
3 36 (38.71%) JavaScript
4 17 (18.28%) PHP
5 15 (16.13%) TypeScript
6 9 (9.68%) Java
7 8 (8.60%) PHP 7
7 8 (8.60%) Python
8 5 (5.38%) ES6
9 3 (3.23%) C++
9 3 (3.23%) Java 8
9 3 (3.23%) PowerShell
10 2 (2.15%) C
10 2 (2.15%) T-SQL
10 2 (2.15%) VB
11 1 (1.08%) Objective-C
11 1 (1.08%) PL/SQL
11 1 (1.08%) Shell Script
Qualifications
1 17 (18.28%) Degree
2 10 (10.75%) Computer Science Degree
3 5 (5.38%) ISTQB
4 3 (3.23%) ISEB
4 3 (3.23%) MBCS
4 3 (3.23%) Security Cleared
5 2 (2.15%) ISTQB Foundation Certification
5 2 (2.15%) MCITP
5 2 (2.15%) Microsoft Certification
6 1 (1.08%) Postgraduate
6 1 (1.08%) SC Cleared
6 1 (1.08%) TOGAF Certification
Quality Assurance & Compliance
1 3 (3.23%) QA
System Software
1 25 (26.88%) Docker
Systems Management
1 1 (1.08%) Ansible
1 1 (1.08%) Kubernetes
1 1 (1.08%) Opscode Chef
1 1 (1.08%) Terraform
Vendors
1 19 (20.43%) Microsoft
2 7 (7.53%) Oracle
3 4 (4.30%) Adobe
4 2 (2.15%) CheckPoint
4 2 (2.15%) Google
5 1 (1.08%) Informatica
5 1 (1.08%) Talend
5 1 (1.08%) Xamarin