Period
to 1 December 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 1 December 2021 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > East of England
6 months to
1 Dec 2021
Same period 2020 Same period 2019
Rank 82 53 38
Rank change year-on-year -29 -15 -5
Permanent jobs citing TDD 194 91 419
As % of all permanent jobs advertised in the East of England 3.42% 4.60% 6.29%
As % of the Processes & Methodologies category 3.74% 5.13% 6.88%
Number of salaries quoted 77 67 273
10th Percentile £48,750 £41,250 £37,500
25th Percentile £51,250 £45,000 £45,000
Median annual salary (50th Percentile) £65,000 £60,000 £55,000
Median % change year-on-year +8.33% +9.09% +4.76%
75th Percentile £73,750 £79,375 £70,000
90th Percentile £80,000 £85,000 £77,500
England median annual salary £65,000 £60,000 £60,000
% change year-on-year +8.33% - +9.09%

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 5,189 1,773 6,092
As % of all permanent IT jobs advertised in the East of England 91.44% 89.55% 91.47%
Number of salaries quoted 2,726 1,471 4,428
10th Percentile £27,375 £29,000 £27,434
25th Percentile £35,000 £37,500 £36,250
Median annual salary (50th Percentile) £48,711 £50,000 £50,000
Median % change year-on-year -2.58% - +5.26%
75th Percentile £63,750 £63,750 £61,250
90th Percentile £75,000 £76,875 £75,000
England median annual salary £60,000 £55,000 £52,500
% change year-on-year +9.09% +4.76% -

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 1 December 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 1 December 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 +11 119 £65,000 +8.33% 29
Cambridgeshire -39 48 £62,500 +13.64% 19
Essex -12 20 £72,500 - 3
Bedfordshire -41 4 £62,500 +38.89% 3
Suffolk -19 3 £40,000 -42.86% 2
TDD
England

For the 6 months to 1 December 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.

1 137 (70.62%) Continuous Integration
2 135 (69.59%) Agile Software Development
3 92 (47.42%) C#
4 90 (46.39%) Software Engineering
5 78 (40.21%) DevOps
6 73 (37.63%) C
7 70 (36.08%) C++
8 68 (35.05%) Jenkins
9 66 (34.02%) AWS
10 60 (30.93%) Electronics
11 59 (30.41%) Scrum
12 54 (27.84%) Docker
13 53 (27.32%) Computer Science
14 51 (26.29%) Full Stack Development
15 50 (25.77%) Linux
16 49 (25.26%) Java
17 48 (24.74%) Python
17 48 (24.74%) Degree
17 48 (24.74%) Git (software)
18 47 (24.23%) Azure
18 47 (24.23%) Kubernetes
19 45 (23.20%) Computer Science Degree
20 43 (22.16%) Continuous Delivery
20 43 (22.16%) JavaScript
21 41 (21.13%) React
22 36 (18.56%) Pair Programming
22 36 (18.56%) Microservices
22 36 (18.56%) Data Science
23 35 (18.04%) Unit Testing
24 34 (17.53%) BDD

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 10 (5.15%) Apache
1 10 (5.15%) Apache Solr
1 10 (5.15%) Apache Spark
2 7 (3.61%) OpenStack
3 6 (3.09%) Jupyter
4 5 (2.58%) Confluence
5 2 (1.03%) nginx
6 1 (0.52%) Elasticsearch
6 1 (0.52%) Oracle Workflow
Applications
1 30 (15.46%) Simulink
Cloud Services
1 66 (34.02%) AWS
2 47 (24.23%) Azure
3 25 (12.89%) Serverless
4 12 (6.19%) AWS CloudFormation
5 11 (5.67%) Amazon ECS
6 10 (5.15%) AWS Lambda
6 10 (5.15%) GCP
7 7 (3.61%) Amazon EKS
8 4 (2.06%) Amazon EC2
8 4 (2.06%) Amazon S3
8 4 (2.06%) Cloudflare
8 4 (2.06%) CloudFront
9 3 (1.55%) npm
9 3 (1.55%) OpenShift
9 3 (1.55%) Yarn
10 2 (1.03%) Dynamics 365
10 2 (1.03%) Power Automate
10 2 (1.03%) Power Platform
10 2 (1.03%) PowerApps
10 2 (1.03%) SaaS
Communications & Networking
1 29 (14.95%) Modbus
1 29 (14.95%) RS-422
1 29 (14.95%) RS-485
2 4 (2.06%) AMQP
2 4 (2.06%) DNS
3 3 (1.55%) HTTP
4 1 (0.52%) DSL
Database & Business Intelligence
1 24 (12.37%) NoSQL
2 21 (10.82%) Apache Cassandra
3 15 (7.73%) MySQL
4 14 (7.22%) Amazon DynamoDB
5 13 (6.70%) PostgreSQL
6 12 (6.19%) Relational Database
7 10 (5.15%) Amazon Aurora
7 10 (5.15%) Amazon Redshift
7 10 (5.15%) ClickHouse
7 10 (5.15%) Hadoop
8 9 (4.64%) SQL Server
9 4 (2.06%) Amazon Athena
9 4 (2.06%) Amazon RDS
9 4 (2.06%) Redis
10 3 (1.55%) Big Data
11 2 (1.03%) MongoDB
11 2 (1.03%) SQL Server Integration Services
11 2 (1.03%) SQL Server Reporting Services
12 1 (0.52%) MariaDB
Development Applications
1 68 (35.05%) Jenkins
2 48 (24.74%) Git (software)
3 30 (15.46%) Rational Rhapsody
4 23 (11.86%) JIRA
5 16 (8.25%) Rational Team Concert
6 10 (5.15%) GitLab
7 8 (4.12%) Octopus Deploy
8 7 (3.61%) Selenium
9 6 (3.09%) TestRail
10 5 (2.58%) Cucumber
10 5 (2.58%) Zephyr
11 4 (2.06%) CircleCI
12 3 (1.55%) MSTest
12 3 (1.55%) NUnit
13 2 (1.03%) Atlassian Bamboo
13 2 (1.03%) Maven
13 2 (1.03%) Moq
13 2 (1.03%) Visual Studio
13 2 (1.03%) xUnit.net
14 1 (0.52%) MLflow
General
1 60 (30.93%) Electronics
2 30 (15.46%) Social Skills
3 11 (5.67%) Analytical Skills
4 10 (5.15%) Finance
4 10 (5.15%) Games
4 10 (5.15%) Influencing Skills
4 10 (5.15%) Manufacturing
4 10 (5.15%) Retail
5 6 (3.09%) Financial Institution
5 6 (3.09%) Inclusion and Diversity
5 6 (3.09%) Law
6 4 (2.06%) Automotive
6 4 (2.06%) Public Sector
7 3 (1.55%) Banking
8 1 (0.52%) Pharmaceutical
8 1 (0.52%) Presentation Skills
Job Titles
1 93 (47.94%) Developer
2 53 (27.32%) Software Engineer
3 38 (19.59%) Full Stack Developer
3 38 (19.59%) Software Developer
4 31 (15.98%) Embedded Engineer
5 30 (15.46%) Design Engineer
5 30 (15.46%) Development Engineer
5 30 (15.46%) Embedded Software Design Engineer
5 30 (15.46%) Software Design Engineer
5 30 (15.46%) Software Development Engineer
6 18 (9.28%) Java Developer
7 15 (7.73%) C# Software Engineer
7 15 (7.73%) Embedded C++ Engineer
7 15 (7.73%) Python Developer
8 11 (5.67%) Senior Developer
9 10 (5.15%) Lead Developer
10 8 (4.12%) C# Developer
11 6 (3.09%) .NET Developer
11 6 (3.09%) Analyst
11 6 (3.09%) Test Analyst
Libraries, Frameworks & Software Standards
1 41 (21.13%) React
2 26 (13.40%) RESTful
3 24 (12.37%) .NET
4 23 (11.86%) Spring
4 23 (11.86%) Velocity
4 23 (11.86%) Web Services
5 22 (11.34%) AngularJS
5 22 (11.34%) Spring Boot
6 19 (9.79%) CSS
6 19 (9.79%) HTML
7 15 (7.73%) RabbitMQ
8 14 (7.22%) REST
9 12 (6.19%) HTML5
10 11 (5.67%) Apache Flex
10 11 (5.67%) JSON
10 11 (5.67%) Kafka
10 11 (5.67%) Node.js
11 10 (5.15%) Flask
11 10 (5.15%) pytest
11 10 (5.15%) WPF
Miscellaneous
1 13 (6.70%) Algorithms
2 12 (6.19%) Self-Motivation
3 11 (5.67%) Renewable Energy
4 7 (3.61%) Data Structures
4 7 (3.61%) NHS
4 7 (3.61%) Social Media
5 6 (3.09%) Life Science
6 4 (2.06%) User Experience
6 4 (2.06%) Video on Demand
6 4 (2.06%) Video\Live Streaming
7 3 (1.55%) Enterprise Software
7 3 (1.55%) Robotics
8 2 (1.03%) Greenfield Project
8 2 (1.03%) iPad
8 2 (1.03%) Virtual Team
9 1 (0.52%) Biotechnology
9 1 (0.52%) Embedded Systems
9 1 (0.52%) Mobile App
9 1 (0.52%) Smart Meter
Operating Systems
1 50 (25.77%) Linux
2 32 (16.49%) Windows
3 6 (3.09%) Mac OS
3 6 (3.09%) Unix
4 4 (2.06%) Android
5 1 (0.52%) Red Hat Enterprise Linux
Processes & Methodologies
1 137 (70.62%) Continuous Integration
2 135 (69.59%) Agile Software Development
3 90 (46.39%) Software Engineering
4 78 (40.21%) DevOps
5 59 (30.41%) Scrum
6 53 (27.32%) Computer Science
7 51 (26.29%) Full Stack Development
8 43 (22.16%) Continuous Delivery
9 36 (18.56%) Data Science
9 36 (18.56%) Microservices
9 36 (18.56%) Pair Programming
10 35 (18.04%) Unit Testing
11 34 (17.53%) BDD
12 33 (17.01%) E-Commerce
13 30 (15.46%) SOLID
13 30 (15.46%) SysML
13 30 (15.46%) UML
13 30 (15.46%) Visualisation
14 26 (13.40%) Artificial Intelligence
14 26 (13.40%) Software Testing
Programming Languages
1 92 (47.42%) C#
2 73 (37.63%) C
3 70 (36.08%) C++
4 49 (25.26%) Java
5 48 (24.74%) Python
6 43 (22.16%) JavaScript
7 33 (17.01%) SQL
8 30 (15.46%) MATLAB
9 16 (8.25%) Ada
10 15 (7.73%) Embedded C++
11 14 (7.22%) Embedded C
12 13 (6.70%) TypeScript
13 10 (5.15%) R
14 9 (4.64%) Java 11
14 9 (4.64%) Java 8
15 8 (4.12%) ES6
16 7 (3.61%) Objective-C
17 6 (3.09%) Bash Shell
18 5 (2.58%) Shell Script
19 4 (2.06%) Kotlin
Qualifications
1 48 (24.74%) Degree
2 45 (23.20%) Computer Science Degree
3 6 (3.09%) Security Cleared
4 2 (1.03%) Master's Degree
4 2 (1.03%) Microsoft Certification
5 1 (0.52%) MCSD
5 1 (0.52%) PhD
5 1 (0.52%) SC Cleared
Quality Assurance & Compliance
1 30 (15.46%) Def Stans
1 30 (15.46%) MISRA
2 14 (7.22%) QA
3 7 (3.61%) Accessibility
4 1 (0.52%) 21 CFR Part 11
4 1 (0.52%) DICOM
System Software
1 54 (27.84%) Docker
2 30 (15.46%) Firmware
3 10 (5.15%) Apache ZooKeeper
Systems Management
1 47 (24.23%) Kubernetes
2 20 (10.31%) Terraform
3 15 (7.73%) Ansible
4 10 (5.15%) Mesos
5 1 (0.52%) Kubeflow
Vendors
1 32 (16.49%) IBM
2 7 (3.61%) Facebook
2 7 (3.61%) Pega
2 7 (3.61%) WSO2
3 6 (3.09%) Microsoft
3 6 (3.09%) YouTube
4 3 (1.55%) Oracle
5 2 (1.03%) ServiceNow
6 1 (0.52%) Google