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 12 June 2024, comparing them to the same period in the previous two years.

6 months to
12 Jun 2024
Same period 2023 Same period 2022
Rank 120 80 44
Rank change year-on-year -40 -36 -5
Permanent jobs citing TDD 2,382 3,616 12,807
As % of all permanent jobs advertised in the UK 2.17% 3.91% 7.41%
As % of the Processes & Methodologies category 2.62% 4.10% 7.73%
Number of salaries quoted 1,813 2,333 4,314
10th Percentile £41,250 £45,302 £43,750
25th Percentile £48,750 £55,000 £52,500
Median annual salary (50th Percentile) £60,000 £70,000 £65,000
Median % change year-on-year -14.29% +7.69% +8.33%
75th Percentile £79,500 £91,250 £85,000
90th Percentile £98,750 £107,500 £100,000
UK excluding London median annual salary £57,500 £62,500 £57,500
% change year-on-year -8.00% +8.70% +5.21%

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 90,810 88,242 165,721
As % of all permanent jobs advertised in the UK 82.65% 95.42% 95.92%
Number of salaries quoted 62,635 53,650 83,244
10th Percentile £29,750 £33,818 £33,500
25th Percentile £40,000 £45,000 £43,896
Median annual salary (50th Percentile) £55,000 £60,899 £60,000
Median % change year-on-year -9.69% +1.50% +9.09%
75th Percentile £72,500 £81,250 £80,000
90th Percentile £92,500 £100,000 £96,250
UK excluding London median annual salary £50,000 £55,000 £52,500
% change year-on-year -9.09% +4.76% +8.81%

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 12 June 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 12 June 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 -49 1,958 £60,000 -14.29% 516
UK excluding London -31 1,614 £57,500 -8.00% 348
Work from Home -6 1,293 £60,000 -14.29% 398
London -45 682 £80,000 -0.37% 197
North of England 0 479 £57,500 -11.54% 115
South East -43 417 £57,500 -8.00% 79
North West +8 330 £60,000 -7.69% 93
Scotland 0 297 £60,000 -14.29% 31
Midlands -100 141 £52,500 -12.50% 43
East of England -9 121 £60,000 -7.69% 32
South West -64 119 £60,000 - 39
Yorkshire 0 110 £53,750 -17.31% 16
West Midlands -48 104 £52,500 -12.50% 29
North East -26 39 £55,000 - 6
East Midlands -96 37 £50,000 -13.79% 14
Wales -3 30 £47,500 +72.73% 8
Northern Ireland -38 10 £75,400 +50.80% 10

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 93 (3.90%) Apache Spark
2 38 (1.60%) CMS
3 34 (1.43%) IIS
3 34 (1.43%) OpenStack
4 29 (1.22%) Apache
5 26 (1.09%) Confluence
6 23 (0.97%) Cloud Foundry
7 17 (0.71%) Apache Airflow
8 15 (0.63%) NServiceBus
9 12 (0.50%) JBoss
9 12 (0.50%) Microsoft Exchange
10 10 (0.42%) Red Hat Fuse
11 9 (0.38%) SharePoint
12 7 (0.29%) Umbraco
13 6 (0.25%) DNN
13 6 (0.25%) EPiServer
13 6 (0.25%) Immediacy CMS
13 6 (0.25%) Kentico
13 6 (0.25%) Sitecore CMS
13 6 (0.25%) Sitefinity
Applications
1 10 (0.42%) Microsoft PowerPoint
2 3 (0.13%) Adobe XD
2 3 (0.13%) Simulink
3 2 (0.084%) Microsoft Project
4 1 (0.042%) Mathematica
4 1 (0.042%) Microsoft Excel
4 1 (0.042%) Microsoft Office
4 1 (0.042%) Trello
Business Applications
1 19 (0.80%) SDL Web 8
2 11 (0.46%) Payment Gateway
3 6 (0.25%) Dynamics CRM
4 4 (0.17%) NetSuite
5 2 (0.084%) Magento
6 1 (0.042%) Shopify
6 1 (0.042%) Towers Watson Igloo
Cloud Services
1 1,163 (48.82%) AWS
2 1,035 (43.45%) Azure
3 185 (7.77%) Serverless
4 161 (6.76%) GCP
5 147 (6.17%) Azure DevOps
6 136 (5.71%) SaaS
7 75 (3.15%) AWS Lambda
8 61 (2.56%) GitHub
9 54 (2.27%) Amazon ECS
9 54 (2.27%) Amazon EKS
9 54 (2.27%) Azure Service Bus
10 43 (1.81%) Cloud Computing
11 38 (1.60%) Azure Cosmos DB
12 35 (1.47%) GitHub Actions
13 34 (1.43%) dbt
14 28 (1.18%) Azure Monitor
15 27 (1.13%) BlazeMeter
16 23 (0.97%) Amazon S3
16 23 (0.97%) Amazon SQS
16 23 (0.97%) Azure Functions
Communications & Networking
1 69 (2.90%) Internet
2 22 (0.92%) DNS
3 21 (0.88%) Broadband
4 20 (0.84%) Firewall
5 16 (0.67%) Hyperconnected
6 15 (0.63%) Mobile Broadband
7 14 (0.59%) WAN
8 12 (0.50%) HTTP
9 10 (0.42%) Ethernet
9 10 (0.42%) RS-485
10 9 (0.38%) Wireless
11 8 (0.34%) Bluetooth
11 8 (0.34%) RS-232
11 8 (0.34%) TCP/IP
12 7 (0.29%) Modbus
13 6 (0.25%) MQTT
14 5 (0.21%) RS-422
14 5 (0.21%) VoIP
14 5 (0.21%) Wi-Fi
14 5 (0.21%) ZigBee
Database & Business Intelligence
1 622 (26.11%) SQL Server
2 344 (14.44%) MongoDB
3 304 (12.76%) NoSQL
4 278 (11.67%) Elasticsearch
5 173 (7.26%) Azure SQL Database
6 170 (7.14%) PostgreSQL
7 145 (6.09%) Relational Database
8 122 (5.12%) MySQL
9 79 (3.32%) Apache Hive
9 79 (3.32%) HBase
10 61 (2.56%) Hadoop
11 60 (2.52%) Big Data
12 55 (2.31%) DynamoDB
13 42 (1.76%) Amazon RDS
14 29 (1.22%) Redis
15 19 (0.80%) RDBMS
16 17 (0.71%) Looker
17 16 (0.67%) SQL Server Analysis Services
18 15 (0.63%) BigQuery
18 15 (0.63%) CouchDB
Development Applications
1 524 (22.00%) Git
2 238 (9.99%) Jenkins
3 117 (4.91%) JUnit
3 117 (4.91%) Selenium
4 110 (4.62%) Cypress.io
5 95 (3.99%) JIRA
6 90 (3.78%) GitLab
7 80 (3.36%) Jasmine
8 79 (3.32%) Bitbucket Server
9 71 (2.98%) WebDriver
10 66 (2.77%) Cucumber
11 65 (2.73%) Karma Test Runner
12 63 (2.64%) Protractor
13 57 (2.39%) Visual Studio
14 45 (1.89%) NUnit
15 44 (1.85%) Maven
16 42 (1.76%) Gradle
16 42 (1.76%) TeamCity
17 41 (1.72%) JMeter
18 34 (1.43%) Postman
General
1 688 (28.88%) Finance
2 462 (19.40%) Social Skills
3 332 (13.94%) Inclusion and Diversity
4 258 (10.83%) Law
5 209 (8.77%) Banking
6 148 (6.21%) Marketing
7 119 (5.00%) Investment Banking
8 118 (4.95%) Public Sector
9 93 (3.90%) Front Office
10 91 (3.82%) Legal
11 67 (2.81%) Analytical Skills
12 63 (2.64%) Retail
13 51 (2.14%) Advertising
14 46 (1.93%) Games
15 43 (1.81%) Presentation Skills
16 42 (1.76%) Retail Banking
17 31 (1.30%) Tech for Good
18 25 (1.05%) Telecoms
19 18 (0.76%) Back Office
19 18 (0.76%) Electronics
Job Titles
1 1,452 (60.96%) Developer
2 619 (25.99%) .NET Developer
3 533 (22.38%) Software Engineer
4 489 (20.53%) Senior
5 309 (12.97%) Lead
6 260 (10.92%) C# Developer
7 255 (10.71%) Senior Developer
8 216 (9.07%) C# .NET Developer
9 203 (8.52%) Java Engineer
10 199 (8.35%) Java Developer
11 168 (7.05%) Full Stack Developer
11 168 (7.05%) Java Software Engineer
12 141 (5.92%) Software Developer
13 115 (4.83%) Senior Software Engineer
14 105 (4.41%) AWS Engineer
15 101 (4.24%) AWS Software Engineer
16 99 (4.16%) PHP Developer
17 90 (3.78%) Lead Developer
18 88 (3.69%) Developer/Software Engineer
19 73 (3.06%) Architect
Libraries, Frameworks & Software Standards
1 942 (39.55%) .NET
2 726 (30.48%) React
3 588 (24.69%) .NET Core
4 552 (23.17%) AngularJS
5 526 (22.08%) ASP.NET
6 511 (21.45%) Node.js
7 464 (19.48%) Entity Framework
8 453 (19.02%) CSS
9 451 (18.93%) HTML
10 417 (17.51%) ASP.NET MVC
11 372 (15.62%) .NET Framework
12 367 (15.41%) Vue
13 317 (13.31%) Spring
14 280 (11.75%) REST
15 265 (11.13%) ASP.NET Web API
16 254 (10.66%) RESTful
17 224 (9.40%) Spring Boot
18 215 (9.03%) Web Services
19 200 (8.40%) HTML5
20 198 (8.31%) Kafka
Miscellaneous
1 174 (7.30%) Greenfield Project
2 141 (5.92%) Product Ownership
3 136 (5.71%) Algorithms
4 85 (3.57%) Data Structures
5 79 (3.32%) Cloud Native
6 70 (2.94%) Hedge funds
7 66 (2.77%) Fixed Income
8 64 (2.69%) Derivative
9 62 (2.60%) Distributed Systems
10 58 (2.43%) Foreign Exchange (FX)
11 49 (2.06%) Equities
12 45 (1.89%) Onboarding
13 44 (1.85%) Public Cloud
14 40 (1.68%) Client/Server
15 38 (1.60%) PropTech
16 33 (1.39%) Management Information System
16 33 (1.39%) Private Cloud
17 31 (1.30%) Enterprise Software
18 28 (1.18%) Market Risk
19 27 (1.13%) Mobile App
Operating Systems
1 118 (4.95%) Unix
2 112 (4.70%) Linux
3 47 (1.97%) Apple iOS
4 36 (1.51%) Android
5 26 (1.09%) Windows
6 13 (0.55%) Windows Server 2019
7 6 (0.25%) Embedded Linux
8 5 (0.21%) FreeRTOS
8 5 (0.21%) ThreadX
9 4 (0.17%) CentOS
9 4 (0.17%) Ubuntu
10 3 (0.13%) FreeBSD
10 3 (0.13%) Mac OS X
11 2 (0.084%) Debian
11 2 (0.084%) Red Hat Enterprise Linux
12 1 (0.042%) Solaris
12 1 (0.042%) Windows Server 2012
Processes & Methodologies
1 1,810 (75.99%) Agile
2 850 (35.68%) BDD
3 818 (34.34%) Full Stack Development
4 806 (33.84%) Software Engineering
5 781 (32.79%) CI/CD
6 762 (31.99%) Microservices
7 584 (24.52%) Scrum
8 571 (23.97%) DevOps
9 538 (22.59%) MVC
10 415 (17.42%) Test Automation
11 380 (15.95%) Kanban
12 340 (14.27%) Mentoring
13 327 (13.73%) Continuous Integration
14 326 (13.69%) SDLC
15 305 (12.80%) Problem-Solving
16 264 (11.08%) Unit Testing
17 222 (9.32%) Machine Learning
17 222 (9.32%) SOLID
18 210 (8.82%) Continuous Improvement
19 208 (8.73%) Artificial Intelligence
Programming Languages
1 1,019 (42.78%) JavaScript
2 969 (40.68%) C#
3 778 (32.66%) Java
4 736 (30.90%) SQL
5 555 (23.30%) TypeScript
6 438 (18.39%) Python
7 145 (6.09%) PHP
8 135 (5.67%) Go
9 83 (3.48%) PL/SQL
10 81 (3.40%) Kotlin
11 47 (1.97%) C
12 45 (1.89%) C++
13 42 (1.76%) T-SQL
14 34 (1.43%) Ruby
15 33 (1.39%) Scala
16 31 (1.30%) Shell Script
17 21 (0.88%) Bicep
18 19 (0.80%) Ada
19 15 (0.63%) Embedded C
19 15 (0.63%) Rust
Qualifications
1 181 (7.60%) Degree
2 161 (6.76%) Security Cleared
3 111 (4.66%) SC Cleared
4 62 (2.60%) Computer Science Degree
5 51 (2.14%) DBS Check
6 49 (2.06%) BPSS Clearance
7 32 (1.34%) Azure Certification
8 19 (0.80%) AWS Certification
9 11 (0.46%) Master's Degree
10 5 (0.21%) CIPD
10 5 (0.21%) DV Cleared
10 5 (0.21%) PhD
11 3 (0.13%) PMI Certification
12 2 (0.084%) CISSP
12 2 (0.084%) ISTQB
12 2 (0.084%) Microsoft Certification
12 2 (0.084%) PMP
12 2 (0.084%) SAFe Agilist
13 1 (0.042%) AWS Certified Developer
13 1 (0.042%) Numerate Degree
Quality Assurance & Compliance
1 165 (6.93%) QA
2 51 (2.14%) Accessibility
3 12 (0.50%) PMO
4 11 (0.46%) GDPR
5 6 (0.25%) WCAG
6 4 (0.17%) DICOM
6 4 (0.17%) HL7
6 4 (0.17%) ISO 13485
7 3 (0.13%) Data Quality
7 3 (0.13%) Def Stans
7 3 (0.13%) ISO/IEC 27001
7 3 (0.13%) MISRA
7 3 (0.13%) PSD2
8 2 (0.084%) GRC
8 2 (0.084%) ISO 9000
8 2 (0.084%) MiFID
8 2 (0.084%) PCI DSS
8 2 (0.084%) SEPA
System Software
1 379 (15.91%) Docker
2 79 (3.32%) HDFS
3 27 (1.13%) Active Directory
4 22 (0.92%) Hyper-V
5 20 (0.84%) Virtual Servers
6 14 (0.59%) VMware NSX
7 10 (0.42%) Firmware
8 2 (0.084%) Apache ZooKeeper
9 1 (0.042%) etcd
9 1 (0.042%) GridGain
9 1 (0.042%) Slurm Workload Manager
9 1 (0.042%) Virtual Desktop
9 1 (0.042%) Virtual Machines
Systems Management
1 295 (12.38%) Kubernetes
2 251 (10.54%) Terraform
3 67 (2.81%) Ansible
4 20 (0.84%) Kibana
5 19 (0.80%) Grafana
6 7 (0.29%) Prometheus
7 5 (0.21%) Progress Chef
7 5 (0.21%) Puppet
8 3 (0.13%) Argo
8 3 (0.13%) Control-M
9 2 (0.084%) Istio
9 2 (0.084%) Kustomize
9 2 (0.084%) linkerd
9 2 (0.084%) NetIQ Identity Manager
9 2 (0.084%) Single Sign-On
10 1 (0.042%) Consul
10 1 (0.042%) Hadoop YARN
10 1 (0.042%) HAProxy
10 1 (0.042%) Nagios
10 1 (0.042%) Red Hat Spacewalk
Vendors
1 593 (24.90%) Microsoft
2 106 (4.45%) Databricks
3 79 (3.32%) Informatica
4 56 (2.35%) Oracle
5 49 (2.06%) Cloudera
6 34 (1.43%) WSO2
7 32 (1.34%) Google
8 26 (1.09%) Facebook
9 17 (0.71%) Atlassian
9 17 (0.71%) Splunk
10 14 (0.59%) IBM
10 14 (0.59%) VMware
11 13 (0.55%) Salesforce
12 11 (0.46%) Red Hat
13 9 (0.38%) Teradata
13 9 (0.38%) TOWER Software
14 7 (0.29%) Adobe
14 7 (0.29%) Bloomberg
14 7 (0.29%) Dynatrace
14 7 (0.29%) ServiceNow