Test-Driven Development (TDD)
UK

The table below provides summary statistics for permanent job vacancies requiring TDD skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited TDD over the 6 months leading up to 26 July 2024, comparing them to the same period in the previous two years.

6 months to
26 Jul 2024
Same period 2023 Same period 2022
Rank 134 88 46
Rank change year-on-year -46 -42 -6
Permanent jobs citing TDD 1,723 2,992 12,235
As % of all permanent jobs advertised in the UK 1.91% 3.71% 6.98%
As % of the Processes & Methodologies category 2.33% 3.89% 7.24%
Number of salaries quoted 1,240 2,018 4,200
10th Percentile £42,500 £45,000 £43,750
25th Percentile £50,000 £55,000 £52,500
Median annual salary (50th Percentile) £65,000 £70,000 £67,350
Median % change year-on-year -7.14% +3.93% +12.25%
75th Percentile £82,500 £91,250 £85,250
90th Percentile £100,000 £110,000 £100,000
UK excluding London median annual salary £60,000 £65,000 £57,500
% change year-on-year -7.69% +13.04% +4.55%

All Process and Methodology Skills
UK

TDD falls under the Processes and Methodologies category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring process or methodology skills.

Permanent vacancies with a requirement for process or methodology skills 73,969 76,929 168,958
As % of all permanent jobs advertised in the UK 81.84% 95.34% 96.40%
Number of salaries quoted 48,628 50,249 85,709
10th Percentile £30,000 £33,750 £33,750
25th Percentile £40,000 £45,000 £44,250
Median annual salary (50th Percentile) £55,000 £60,000 £60,000
Median % change year-on-year -8.33% - +9.09%
75th Percentile £73,750 £80,000 £80,000
90th Percentile £93,750 £100,000 £96,250
UK excluding London median annual salary £50,000 £55,000 £52,500
% change year-on-year -9.09% +4.76% +6.06%

TDD
Job Vacancy Trend

Job postings citing TDD as a proportion of all IT jobs advertised.

Job vacancy trend for TDD in the UK

TDD
Salary Trend

3-month moving average salary quoted in jobs citing TDD.

Salary trend for TDD in the UK

TDD
Salary Histogram

Salary distribution for jobs citing TDD over the 6 months to 26 July 2024.

Salary histogram for TDD in the UK

TDD
Top 17 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the UK over the 6 months to 26 July 2024. 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
Jobs
England -62 1,400 £65,000 -7.92% 272
UK excluding London -56 1,127 £60,000 -7.69% 224
Work from Home -20 810 £60,000 -14.29% 214
London -63 530 £82,500 - 89
North of England -13 357 £62,500 -3.85% 58
South East -43 297 £57,500 -11.54% 65
North West +4 247 £65,000 -0.54% 46
Scotland +4 232 £63,750 -8.93% 25
Midlands -132 90 £53,750 -8.12% 28
Yorkshire -18 84 £55,000 -15.38% 8
South West -67 71 £60,000 -4.00% 30
West Midlands -68 71 £57,500 -4.17% 23
East of England -41 50 £60,000 -7.69% 17
North East -25 26 £65,465 +0.71% 4
Wales +2 19 £60,000 +118.18% 5
East Midlands -109 19 £47,500 -18.10% 5
Northern Ireland -25 11 £75,000 +50.00% 4

TDD
Co-occurring Skills and Capabilities by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 66 (3.83%) Apache Spark
2 34 (1.97%) CMS
3 24 (1.39%) Confluence
4 21 (1.22%) IIS
5 20 (1.16%) Cloud Foundry
6 15 (0.87%) Apache
6 15 (0.87%) NServiceBus
7 14 (0.81%) Apache Airflow
8 12 (0.70%) OpenStack
9 11 (0.64%) Tuxedo
10 10 (0.58%) Microsoft Exchange
11 8 (0.46%) JBoss
11 8 (0.46%) SharePoint
12 6 (0.35%) Red Hat Fuse
13 4 (0.23%) nginx
13 4 (0.23%) Umbraco
14 3 (0.17%) Oracle Workflow
15 2 (0.12%) EPiServer
15 2 (0.12%) Immediacy CMS
15 2 (0.12%) Sitecore CMS
Applications
1 10 (0.58%) Microsoft PowerPoint
2 1 (0.058%) Adobe XD
2 1 (0.058%) Mathematica
2 1 (0.058%) Microsoft Excel
2 1 (0.058%) Microsoft Office
2 1 (0.058%) Simulink
2 1 (0.058%) Trello
Business Applications
1 19 (1.10%) SDL Web 8
2 11 (0.64%) Dynamics CRM
3 4 (0.23%) NetSuite
4 1 (0.058%) Magento
4 1 (0.058%) Payment Gateway
4 1 (0.058%) Shopify
4 1 (0.058%) Towers Watson Igloo
Cloud Services
1 836 (48.52%) AWS
2 653 (37.90%) Azure
3 150 (8.71%) Serverless
4 128 (7.43%) Azure DevOps
5 122 (7.08%) GCP
6 116 (6.73%) SaaS
7 68 (3.95%) AWS Lambda
8 50 (2.90%) dbt
9 48 (2.79%) GitHub
10 41 (2.38%) Azure Cosmos DB
10 41 (2.38%) Azure Service Bus
11 36 (2.09%) Amazon EKS
12 32 (1.86%) Cloud Computing
13 30 (1.74%) Amazon ECS
14 27 (1.57%) BlazeMeter
15 24 (1.39%) Azure Monitor
15 24 (1.39%) GitHub Actions
16 22 (1.28%) Amazon SQS
17 21 (1.22%) Amazon S3
18 17 (0.99%) Azure AKS
Communications & Networking
1 17 (0.99%) DNS
1 17 (0.99%) Internet
2 16 (0.93%) Firewall
3 13 (0.75%) Broadband
3 13 (0.75%) HTTP
4 7 (0.41%) Mobile Broadband
5 6 (0.35%) MQTT
6 5 (0.29%) Ethernet
6 5 (0.29%) Modbus
6 5 (0.29%) Wireless
7 4 (0.23%) WAN
8 3 (0.17%) Hyperconnected
8 3 (0.17%) RS-422
8 3 (0.17%) RS-485
8 3 (0.17%) SSH
9 2 (0.12%) SSL
10 1 (0.058%) FTP
10 1 (0.058%) HTTPS
10 1 (0.058%) IPFS
10 1 (0.058%) TCP/IP
Database & Business Intelligence
1 305 (17.70%) SQL Server
2 220 (12.77%) NoSQL
3 171 (9.92%) MongoDB
4 155 (9.00%) PostgreSQL
5 107 (6.21%) MySQL
6 101 (5.86%) Elasticsearch
7 90 (5.22%) Relational Database
8 60 (3.48%) Apache Hive
8 60 (3.48%) HBase
9 55 (3.19%) Azure SQL Database
10 54 (3.13%) DynamoDB
11 43 (2.50%) Amazon RDS
11 43 (2.50%) Big Data
12 35 (2.03%) Hadoop
13 31 (1.80%) Redis
14 14 (0.81%) RDBMS
15 13 (0.75%) SQL Server Analysis Services
16 11 (0.64%) MariaDB
17 10 (0.58%) Amazon Athena
18 9 (0.52%) Dremio
Development Applications
1 435 (25.25%) Git
2 176 (10.21%) Jenkins
3 113 (6.56%) Selenium
4 108 (6.27%) Cypress.io
5 95 (5.51%) JUnit
6 87 (5.05%) GitLab
7 82 (4.76%) JIRA
8 78 (4.53%) Jasmine
9 66 (3.83%) Karma Test Runner
10 65 (3.77%) Cucumber
11 64 (3.71%) WebDriver
12 63 (3.66%) Protractor
13 60 (3.48%) Bitbucket Server
14 48 (2.79%) Visual Studio
15 39 (2.26%) TeamCity
16 38 (2.21%) JMeter
17 35 (2.03%) Maven
18 30 (1.74%) NUnit
19 27 (1.57%) Octopus Deploy
20 26 (1.51%) Moq
General
1 505 (29.31%) Finance
2 396 (22.98%) Social Skills
3 279 (16.19%) Inclusion and Diversity
4 202 (11.72%) Law
5 151 (8.76%) Banking
6 109 (6.33%) Investment Banking
7 89 (5.17%) Public Sector
8 80 (4.64%) Front Office
9 72 (4.18%) Marketing
10 70 (4.06%) Legal
11 44 (2.55%) Analytical Skills
12 30 (1.74%) Games
12 30 (1.74%) Retail Banking
13 29 (1.68%) Retail
13 29 (1.68%) Tech for Good
14 15 (0.87%) Advertising
14 15 (0.87%) Back Office
14 15 (0.87%) Telecoms
15 14 (0.81%) Local Government
16 13 (0.75%) Pharmaceutical
Job Titles
1 937 (54.38%) Developer
2 461 (26.76%) Software Engineer
3 413 (23.97%) Senior
4 317 (18.40%) .NET Developer
5 256 (14.86%) Lead
6 200 (11.61%) Senior Developer
7 187 (10.85%) Java Engineer
8 162 (9.40%) Java Software Engineer
9 156 (9.05%) C# Developer
10 149 (8.65%) Full Stack Developer
11 137 (7.95%) Java Developer
12 127 (7.37%) C# .NET Developer
13 119 (6.91%) Software Developer
14 117 (6.79%) Senior Software Engineer
15 94 (5.46%) AWS Engineer
16 90 (5.22%) AWS Software Engineer
17 71 (4.12%) Architect
18 67 (3.89%) PHP Developer
19 66 (3.83%) Lead Developer
20 58 (3.37%) Developer/Software Engineer
Libraries, Frameworks & Software Standards
1 584 (33.89%) .NET
2 499 (28.96%) React
3 357 (20.72%) AngularJS
4 307 (17.82%) Node.js
5 304 (17.64%) .NET Core
6 284 (16.48%) HTML
7 283 (16.42%) CSS
8 246 (14.28%) ASP.NET
9 242 (14.05%) RESTful
10 236 (13.70%) Spring
11 215 (12.48%) REST
12 210 (12.19%) .NET Framework
13 191 (11.09%) Entity Framework
14 176 (10.21%) Vue
15 168 (9.75%) Kafka
16 157 (9.11%) Spring Boot
17 149 (8.65%) Web Services
18 139 (8.07%) ASP.NET MVC
19 131 (7.60%) jQuery
20 120 (6.96%) GraphQL
Miscellaneous
1 104 (6.04%) Algorithms
2 96 (5.57%) Greenfield Project
3 90 (5.22%) Product Ownership
4 77 (4.47%) Data Structures
5 69 (4.00%) Cloud Native
6 60 (3.48%) Hedge funds
7 50 (2.90%) Fixed Income
8 48 (2.79%) Derivative
9 43 (2.50%) Distributed Systems
10 42 (2.44%) Foreign Exchange (FX)
11 37 (2.15%) Equities
12 34 (1.97%) Mobile App
12 34 (1.97%) Onboarding
13 31 (1.80%) Private Cloud
14 28 (1.63%) Market Risk
15 26 (1.51%) Legacy Code
16 24 (1.39%) Enterprise Software
17 20 (1.16%) Self-Motivation
18 19 (1.10%) Embedded Systems
18 19 (1.10%) PropTech
Operating Systems
1 98 (5.69%) Linux
2 93 (5.40%) Unix
3 43 (2.50%) Apple iOS
4 30 (1.74%) Android
5 26 (1.51%) Windows
6 13 (0.75%) Red Hat Enterprise Linux
7 8 (0.46%) Embedded Linux
8 4 (0.23%) Ubuntu
9 3 (0.17%) CentOS
9 3 (0.17%) Windows Server 2019
10 2 (0.12%) Debian
11 1 (0.058%) Solaris
11 1 (0.058%) Windows Server 2012
Processes & Methodologies
1 1,261 (73.19%) Agile
2 712 (41.32%) Software Engineering
3 638 (37.03%) CI/CD
4 510 (29.60%) BDD
5 509 (29.54%) Microservices
6 470 (27.28%) DevOps
7 464 (26.93%) Full Stack Development
8 359 (20.84%) Test Automation
9 317 (18.40%) Scrum
10 291 (16.89%) Mentoring
11 273 (15.84%) SDLC
12 260 (15.09%) Continuous Integration
13 233 (13.52%) Problem-Solving
14 226 (13.12%) Unit Testing
15 219 (12.71%) MVC
16 188 (10.91%) Machine Learning
17 184 (10.68%) Design Patterns
18 182 (10.56%) Artificial Intelligence
19 176 (10.21%) Kanban
20 171 (9.92%) Coaching
Programming Languages
1 623 (36.16%) JavaScript
2 606 (35.17%) C#
3 597 (34.65%) Java
4 529 (30.70%) SQL
5 363 (21.07%) Python
6 334 (19.38%) TypeScript
7 111 (6.44%) PHP
8 101 (5.86%) Go
9 66 (3.83%) Kotlin
10 62 (3.60%) PL/SQL
11 41 (2.38%) C++
12 37 (2.15%) T-SQL
13 27 (1.57%) Ruby
14 26 (1.51%) C
15 21 (1.22%) Scala
16 19 (1.10%) Shell Script
17 18 (1.04%) Rust
18 16 (0.93%) Bicep
19 12 (0.70%) Bash
20 11 (0.64%) Micro Focus COBOL
Qualifications
1 146 (8.47%) Degree
2 126 (7.31%) Security Cleared
3 90 (5.22%) SC Cleared
4 52 (3.02%) Computer Science Degree
5 46 (2.67%) DBS Check
6 32 (1.86%) BPSS Clearance
7 25 (1.45%) Azure Certification
8 10 (0.58%) DV Cleared
9 8 (0.46%) Master's Degree
10 6 (0.35%) CIPD
11 5 (0.29%) AWS Certification
12 3 (0.17%) PhD
13 2 (0.12%) ISTQB
13 2 (0.12%) Microsoft Certification
13 2 (0.12%) SAFe Agilist
13 2 (0.12%) SnowPro
14 1 (0.058%) AWS Certified Developer
14 1 (0.058%) ISEB
14 1 (0.058%) PMI Certification
14 1 (0.058%) Postgraduate
Quality Assurance & Compliance
1 138 (8.01%) QA
2 43 (2.50%) Accessibility
3 8 (0.46%) MiFID
4 7 (0.41%) WCAG
5 4 (0.23%) DICOM
5 4 (0.23%) HL7
5 4 (0.23%) ISO 13485
6 3 (0.17%) Data Quality
6 3 (0.17%) GDPR
6 3 (0.17%) ISO/IEC 27001
7 2 (0.12%) GRC
7 2 (0.12%) ISO 9000
7 2 (0.12%) PCI DSS
7 2 (0.12%) PSD2
8 1 (0.058%) Def Stans
8 1 (0.058%) MISRA
System Software
1 301 (17.47%) Docker
2 60 (3.48%) HDFS
3 24 (1.39%) Active Directory
4 16 (0.93%) Virtual Servers
5 5 (0.29%) Firmware
5 5 (0.29%) Hyper-V
6 4 (0.23%) VMware NSX
7 2 (0.12%) Apache ZooKeeper
8 1 (0.058%) GridGain
8 1 (0.058%) Virtual Desktop
Systems Management
1 207 (12.01%) Kubernetes
2 186 (10.80%) Terraform
3 33 (1.92%) Ansible
4 19 (1.10%) Kibana
5 17 (0.99%) Grafana
6 4 (0.23%) Istio
6 4 (0.23%) Progress Chef
6 4 (0.23%) Prometheus
6 4 (0.23%) Puppet
7 3 (0.17%) Fortio
7 3 (0.17%) Kiali
7 3 (0.17%) NetIQ Identity Manager
7 3 (0.17%) Single Sign-On
8 2 (0.12%) Kustomize
8 2 (0.12%) linkerd
9 1 (0.058%) Active Directory Federation Services
9 1 (0.058%) Control-M
9 1 (0.058%) Hadoop YARN
9 1 (0.058%) Nagios
Vendors
1 245 (14.22%) Microsoft
2 69 (4.00%) Databricks
3 60 (3.48%) Informatica
4 31 (1.80%) Oracle
5 30 (1.74%) Cloudera
6 24 (1.39%) Google
7 16 (0.93%) Splunk
8 12 (0.70%) Salesforce
9 11 (0.64%) Micro Focus
9 11 (0.64%) WSO2
10 9 (0.52%) Dynatrace
10 9 (0.52%) IBM
10 9 (0.52%) TOWER Software
11 7 (0.41%) Bloomberg
11 7 (0.41%) Facebook
11 7 (0.41%) Red Hat
11 7 (0.41%) ServiceNow
11 7 (0.41%) YouTube
12 5 (0.29%) Xamarin
13 4 (0.23%) Mercator