Period
to 12 June 2021

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 12 June 2021 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > East of England
6 months to
12 Jun 2021
Same period 2020 Same period 2019
Rank 61 57 39
Rank change year-on-year -4 -18 -12
Permanent jobs citing TDD 166 171 461
As % of all permanent jobs advertised in the East of England 3.81% 4.37% 6.01%
As % of the Processes & Methodologies category 4.16% 4.83% 6.73%
Number of salaries quoted 97 133 338
10th Percentile £46,500 £37,500 £35,000
25th Percentile £50,000 £42,500 £42,500
Median annual salary (50th Percentile) £60,000 £52,500 £50,000
Median % change year-on-year +14.29% +5.00% -
75th Percentile £73,750 £65,000 £62,250
90th Percentile £85,000 £76,250 £67,500
England median annual salary £60,000 £60,000 £55,000
% change year-on-year - +9.09% +4.76%

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 3,995 3,538 6,854
As % of all permanent IT jobs advertised in the East of England 91.65% 90.44% 89.34%
Number of salaries quoted 2,260 2,618 5,237
10th Percentile £31,225 £29,000 £27,500
25th Percentile £37,500 £36,250 £36,250
Median annual salary (50th Percentile) £50,000 £47,500 £50,000
Median % change year-on-year +5.26% -5.00% +5.26%
75th Percentile £65,000 £62,500 £61,250
90th Percentile £80,000 £77,500 £73,750
England median annual salary £55,000 £55,000 £52,500
% 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 12 June 2021.

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 12 June 2021. 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 +20 102 £60,000 +14.29% 21
Cambridgeshire -14 29 £60,000 - 23
Essex -11 18 £65,000 +44.44% 11
Bedfordshire -8 14 £67,750 -6.55% 5
Norfolk -1 3 £39,250 -18.65% 1
TDD
England

For the 6 months to 12 June 2021, 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.

1 130 (78.31%) Agile Software Development
2 75 (45.18%) Continuous Integration
3 73 (43.98%) C#
4 71 (42.77%) DevOps
5 65 (39.16%) Software Engineering
6 58 (34.94%) AWS
7 57 (34.34%) Microservices
8 55 (33.13%) Java
9 49 (29.52%) JavaScript
10 48 (28.92%) Scrum
11 46 (27.71%) Docker
12 45 (27.11%) C++
12 45 (27.11%) Git (software)
13 44 (26.51%) REST
14 42 (25.30%) BDD
14 42 (25.30%) C
15 41 (24.70%) Azure
16 40 (24.10%) Unit Testing
17 37 (22.29%) SQL
18 36 (21.69%) .NET
18 36 (21.69%) Jenkins
19 35 (21.08%) Kubernetes
19 35 (21.08%) Python
19 35 (21.08%) Electronics
19 35 (21.08%) Pair Programming
20 34 (20.48%) Spring
21 32 (19.28%) E-Commerce
21 32 (19.28%) Test Automation
22 31 (18.67%) RESTful
23 30 (18.07%) Linux

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 15 (9.04%) Confluence
2 10 (6.02%) Elasticsearch
3 4 (2.41%) Apache
3 4 (2.41%) OpenStack
4 3 (1.81%) Apache Solr
4 3 (1.81%) Tomcat
5 2 (1.20%) nginx
6 1 (0.60%) Apache Spark
6 1 (0.60%) IIS
6 1 (0.60%) NServiceBus
6 1 (0.60%) WordPress
Applications
1 14 (8.43%) Simulink
2 1 (0.60%) Sketch
2 1 (0.60%) Zeplin
Cloud Services
1 58 (34.94%) AWS
2 41 (24.70%) Azure
3 13 (7.83%) Serverless
4 9 (5.42%) GCP
4 9 (5.42%) PaaS
5 5 (3.01%) Amazon ECS
5 5 (3.01%) Amazon EKS
6 4 (2.41%) AWS Lambda
6 4 (2.41%) Azure Service Bus
7 2 (1.20%) Azure Functions
7 2 (1.20%) DigitalOcean
7 2 (1.20%) GitHub
8 1 (0.60%) Amazon Alexa
8 1 (0.60%) Amazon EC2
8 1 (0.60%) AWS CloudFormation
Communications & Networking
1 19 (11.45%) Modbus
1 19 (11.45%) RS-422
1 19 (11.45%) RS-485
2 9 (5.42%) HTTP
3 2 (1.20%) 5G
3 2 (1.20%) Wireless
4 1 (0.60%) 2G
4 1 (0.60%) 3G
4 1 (0.60%) 3GPP
4 1 (0.60%) 4G
4 1 (0.60%) AMQP
4 1 (0.60%) Bluetooth
4 1 (0.60%) LTE
4 1 (0.60%) SSL
4 1 (0.60%) Wi-Fi
4 1 (0.60%) ZigBee
Database & Business Intelligence
1 18 (10.84%) Relational Database
1 18 (10.84%) SQL Server
2 16 (9.64%) MySQL
3 14 (8.43%) PostgreSQL
4 13 (7.83%) NoSQL
5 12 (7.23%) MongoDB
6 6 (3.61%) Big Data
6 6 (3.61%) Couchbase
7 3 (1.81%) MariaDB
8 2 (1.20%) Apache Cassandra
8 2 (1.20%) Redis
9 1 (0.60%) Amazon Aurora
9 1 (0.60%) Amazon DynamoDB
9 1 (0.60%) Amazon Redshift
9 1 (0.60%) ClickHouse
9 1 (0.60%) Hadoop
9 1 (0.60%) SQL Server Integration Services
9 1 (0.60%) SQL Server Reporting Services
Development Applications
1 45 (27.11%) Git (software)
2 36 (21.69%) Jenkins
3 17 (10.24%) GitLab
4 15 (9.04%) JIRA
5 14 (8.43%) Rational Rhapsody
6 12 (7.23%) Cucumber
7 10 (6.02%) Bitbucket
7 10 (6.02%) Maven
8 9 (5.42%) Rational Team Concert
9 6 (3.61%) NUnit
9 6 (3.61%) Selenium
9 6 (3.61%) Spock
10 5 (3.01%) Octopus Deploy
11 4 (2.41%) TeamCity
12 3 (1.81%) DbUnit
12 3 (1.81%) Gerrit
12 3 (1.81%) JUnit
12 3 (1.81%) Protractor
12 3 (1.81%) Pylint
12 3 (1.81%) Subversion
General
1 35 (21.08%) Electronics
2 30 (18.07%) Social Skills
3 11 (6.63%) Public Sector
3 11 (6.63%) Retail
4 8 (4.82%) Analytical Skills
5 4 (2.41%) Games
6 1 (0.60%) Automotive
6 1 (0.60%) Influencing Skills
6 1 (0.60%) Manufacturing
6 1 (0.60%) Marketing
6 1 (0.60%) Pharmaceutical
6 1 (0.60%) Presentation Skills
Job Titles
1 84 (50.60%) Developer
2 39 (23.49%) Software Engineer
3 25 (15.06%) Java Developer
3 25 (15.06%) Software Developer
4 17 (10.24%) .NET Developer
4 17 (10.24%) Full Stack Developer
5 15 (9.04%) Embedded Engineer
6 14 (8.43%) Design Engineer
6 14 (8.43%) Development Engineer
6 14 (8.43%) Embedded Software Design Engineer
6 14 (8.43%) Software Design Engineer
6 14 (8.43%) Software Development Engineer
6 14 (8.43%) Test Engineer
7 13 (7.83%) C# Software Engineer
8 12 (7.23%) Senior Developer
8 12 (7.23%) Software Test Engineer
9 10 (6.02%) Front End Developer (Client-Side Developer)
10 8 (4.82%) C# Developer
10 8 (4.82%) Python Engineer
11 7 (4.22%) Lead Developer
Libraries, Frameworks & Software Standards
1 44 (26.51%) REST
2 36 (21.69%) .NET
3 34 (20.48%) Spring
4 31 (18.67%) RESTful
5 25 (15.06%) Spring Boot
6 24 (14.46%) HTML
7 23 (13.86%) CSS
7 23 (13.86%) Web Services
8 21 (12.65%) React
9 19 (11.45%) AngularJS
9 19 (11.45%) RabbitMQ
10 16 (9.64%) Node.js
11 14 (8.43%) .NET Core
12 13 (7.83%) HTML5
13 12 (7.23%) Elastic Stack
13 12 (7.23%) Redux
14 11 (6.63%) Django
14 11 (6.63%) SOAP
14 11 (6.63%) Velocity
15 9 (5.42%) Kafka
Miscellaneous
1 8 (4.82%) Enterprise Software
2 7 (4.22%) iPad
2 7 (4.22%) Self-Motivation
3 6 (3.61%) Algorithms
3 6 (3.61%) Robotics
4 5 (3.01%) User Experience
5 3 (1.81%) Greenfield Project
5 3 (1.81%) NHS
5 3 (1.81%) Renewable Energy
6 2 (1.20%) Biotechnology
6 2 (1.20%) Embedded Systems
6 2 (1.20%) Life Science
6 2 (1.20%) Virtual Team
7 1 (0.60%) Cloud Native
7 1 (0.60%) FMCG
7 1 (0.60%) Foreign Exchange (FX)
7 1 (0.60%) Mobile App
7 1 (0.60%) Smart Home
Operating Systems
1 30 (18.07%) Linux
2 14 (8.43%) Windows
3 12 (7.23%) Android
4 6 (3.61%) Apple iOS
5 4 (2.41%) Embedded Linux
6 3 (1.81%) Unix
7 1 (0.60%) FreeRTOS
Processes & Methodologies
1 130 (78.31%) Agile Software Development
2 75 (45.18%) Continuous Integration
3 71 (42.77%) DevOps
4 65 (39.16%) Software Engineering
5 57 (34.34%) Microservices
6 48 (28.92%) Scrum
7 42 (25.30%) BDD
8 40 (24.10%) Unit Testing
9 35 (21.08%) Pair Programming
10 32 (19.28%) E-Commerce
10 32 (19.28%) Test Automation
11 28 (16.87%) Kanban
11 28 (16.87%) SOLID
12 26 (15.66%) Continuous Delivery
12 26 (15.66%) Software Testing
13 23 (13.86%) Computer Science
14 20 (12.05%) Continuous Improvement
14 20 (12.05%) OOP
15 19 (11.45%) Customer Requirements
15 19 (11.45%) Mentoring
Programming Languages
1 73 (43.98%) C#
2 55 (33.13%) Java
3 49 (29.52%) JavaScript
4 45 (27.11%) C++
5 42 (25.30%) C
6 37 (22.29%) SQL
7 35 (21.08%) Python
8 17 (10.24%) TypeScript
9 16 (9.64%) Java 8
9 16 (9.64%) MATLAB
10 9 (5.42%) Ada
11 7 (4.22%) Kotlin
12 6 (3.61%) Embedded C++
12 6 (3.61%) Groovy
13 5 (3.01%) Embedded C
14 4 (2.41%) ES6
14 4 (2.41%) T-SQL
15 3 (1.81%) PHP
16 2 (1.20%) Scala
16 2 (1.20%) Shell Script
Qualifications
1 24 (14.46%) Degree
2 21 (12.65%) Computer Science Degree
3 8 (4.82%) SC Cleared
3 8 (4.82%) Security Cleared
4 1 (0.60%) Master's Degree
Quality Assurance & Compliance
1 14 (8.43%) Def Stans
1 14 (8.43%) MISRA
2 3 (1.81%) QA
3 2 (1.20%) GDPR
4 1 (0.60%) 21 CFR Part 11
4 1 (0.60%) Accessibility
System Software
1 46 (27.71%) Docker
2 15 (9.04%) Firmware
3 1 (0.60%) Apache ZooKeeper
3 1 (0.60%) Postfix
Systems Management
1 35 (21.08%) Kubernetes
2 14 (8.43%) Ansible
3 8 (4.82%) Kibana
4 3 (1.81%) Terraform
5 1 (0.60%) Icinga
5 1 (0.60%) Mesos
5 1 (0.60%) Puppet
Vendors
1 23 (13.86%) IBM
2 14 (8.43%) Instagram
3 9 (5.42%) Oracle
3 9 (5.42%) ServiceNow
4 8 (4.82%) AppDynamics
5 6 (3.61%) Splunk
6 4 (2.41%) Google
6 4 (2.41%) WSO2
7 3 (1.81%) Microsoft
7 3 (1.81%) Pega
8 1 (0.60%) Xamarin