Test-Driven Development (TDD)
UK

The following table provides summary statistics for permanent job vacancies 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 9 June 2024 with a comparison to the same period in the previous 2 years.

6 months to
9 Jun 2024
Same period 2023 Same period 2022
Rank 120 78 43
Rank change year-on-year -42 -35 -4
Permanent jobs citing TDD 2,375 3,648 12,790
As % of all permanent jobs advertised in the UK 2.19% 3.92% 7.44%
As % of the Processes & Methodologies category 2.64% 4.11% 7.76%
Number of salaries quoted 1,811 2,355 4,332
10th Percentile £41,250 £45,355 £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 £79,600 £90,000 £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 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 with a requirement for process or methodology skills.

Permanent vacancies with a requirement for process or methodology skills 89,994 88,841 164,871
As % of all permanent jobs advertised in the UK 82.98% 95.43% 95.92%
Number of salaries quoted 62,089 53,798 83,455
10th Percentile £29,500 £33,848 £33,500
25th Percentile £40,000 £45,000 £43,750
Median annual salary (50th Percentile) £55,000 £60,800 £60,000
Median % change year-on-year -9.54% +1.33% +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% +9.38%

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 9 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 9 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 -51 1,942 £60,000 -14.29% 490
UK excluding London -38 1,605 £57,500 -8.00% 322
Work from Home -6 1,288 £60,000 -14.29% 363
London -43 682 £80,000 -0.37% 193
North of England +1 466 £57,500 -11.54% 109
South East -40 416 £57,500 -8.00% 63
North West +8 320 £60,000 -7.69% 91
Scotland +6 306 £60,000 -14.29% 29
Midlands -99 137 £52,500 -12.50% 44
East of England -7 121 £60,000 -7.69% 29
South West -56 119 £60,000 - 39
Yorkshire -1 108 £55,000 -15.38% 14
West Midlands -53 100 £52,500 -12.50% 29
North East -25 38 £55,000 - 4
East Midlands -98 37 £50,000 -15.25% 15
Wales -5 29 £45,000 +63.64% 7
Northern Ireland -37 11 £75,275 +50.55% 9

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 96 (4.04%) Apache Spark
2 36 (1.52%) IIS
3 35 (1.47%) CMS
4 34 (1.43%) OpenStack
5 33 (1.39%) Apache
6 25 (1.05%) Confluence
7 23 (0.97%) Cloud Foundry
8 17 (0.72%) Apache Airflow
9 15 (0.63%) NServiceBus
10 12 (0.51%) JBoss
10 12 (0.51%) Microsoft Exchange
11 10 (0.42%) Red Hat Fuse
12 9 (0.38%) SharePoint
13 7 (0.29%) Umbraco
14 6 (0.25%) DNN
14 6 (0.25%) EPiServer
14 6 (0.25%) Immediacy CMS
14 6 (0.25%) Kentico
14 6 (0.25%) Sitecore CMS
14 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 18 (0.76%) 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 1,168 (49.18%) AWS
2 1,037 (43.66%) Azure
3 185 (7.79%) Serverless
4 163 (6.86%) GCP
5 148 (6.23%) Azure DevOps
6 135 (5.68%) SaaS
7 77 (3.24%) AWS Lambda
8 63 (2.65%) GitHub
9 54 (2.27%) Amazon ECS
9 54 (2.27%) Azure Service Bus
10 53 (2.23%) Amazon EKS
11 44 (1.85%) Cloud Computing
12 37 (1.56%) Azure Cosmos DB
13 35 (1.47%) GitHub Actions
14 29 (1.22%) dbt
15 28 (1.18%) Azure Monitor
16 27 (1.14%) BlazeMeter
17 24 (1.01%) Amazon S3
18 23 (0.97%) Amazon SQS
18 23 (0.97%) Azure Functions
Communications & Networking
1 70 (2.95%) Internet
2 22 (0.93%) DNS
3 21 (0.88%) Broadband
4 20 (0.84%) Firewall
5 16 (0.67%) Hyperconnected
5 16 (0.67%) WAN
6 15 (0.63%) Mobile Broadband
7 10 (0.42%) Ethernet
7 10 (0.42%) HTTP
7 10 (0.42%) RS-485
8 9 (0.38%) Wireless
9 8 (0.34%) Bluetooth
9 8 (0.34%) RS-232
9 8 (0.34%) TCP/IP
10 7 (0.29%) Modbus
11 5 (0.21%) MQTT
11 5 (0.21%) RS-422
11 5 (0.21%) VoIP
11 5 (0.21%) Wi-Fi
11 5 (0.21%) ZigBee
Database & Business Intelligence
1 626 (26.36%) SQL Server
2 343 (14.44%) MongoDB
3 310 (13.05%) NoSQL
4 277 (11.66%) Elasticsearch
5 173 (7.28%) Azure SQL Database
6 168 (7.07%) PostgreSQL
7 145 (6.11%) Relational Database
8 121 (5.09%) MySQL
9 81 (3.41%) Apache Hive
9 81 (3.41%) HBase
10 64 (2.69%) Hadoop
11 63 (2.65%) Big Data
12 55 (2.32%) DynamoDB
13 42 (1.77%) Amazon RDS
14 29 (1.22%) Redis
15 20 (0.84%) Looker
16 17 (0.72%) RDBMS
17 16 (0.67%) BigQuery
17 16 (0.67%) SQL Server Analysis Services
18 15 (0.63%) Data Lake
Development Applications
1 524 (22.06%) Git
2 240 (10.11%) Jenkins
3 117 (4.93%) JUnit
3 117 (4.93%) Selenium
4 108 (4.55%) Cypress.io
5 93 (3.92%) JIRA
6 88 (3.71%) GitLab
7 81 (3.41%) Bitbucket Server
8 78 (3.28%) Jasmine
9 71 (2.99%) WebDriver
10 67 (2.82%) Cucumber
11 65 (2.74%) Karma Test Runner
12 62 (2.61%) Protractor
13 58 (2.44%) Visual Studio
14 45 (1.89%) Maven
15 44 (1.85%) NUnit
16 42 (1.77%) Gradle
17 40 (1.68%) JMeter
17 40 (1.68%) TeamCity
18 34 (1.43%) Postman
General
1 699 (29.43%) Finance
2 459 (19.33%) Social Skills
3 335 (14.11%) Inclusion and Diversity
4 266 (11.20%) Law
5 211 (8.88%) Banking
6 154 (6.48%) Marketing
7 119 (5.01%) Investment Banking
8 116 (4.88%) Public Sector
9 93 (3.92%) Front Office
10 91 (3.83%) Legal
11 68 (2.86%) Analytical Skills
12 63 (2.65%) Retail
13 51 (2.15%) Advertising
14 46 (1.94%) Presentation Skills
15 45 (1.89%) Games
16 42 (1.77%) Retail Banking
17 31 (1.31%) Tech for Good
18 25 (1.05%) Telecoms
19 18 (0.76%) Back Office
19 18 (0.76%) Electronics
Job Titles
1 1,444 (60.80%) Developer
2 618 (26.02%) .NET Developer
3 536 (22.57%) Software Engineer
4 486 (20.46%) Senior
5 312 (13.14%) Lead
6 259 (10.91%) C# Developer
7 256 (10.78%) Senior Developer
8 215 (9.05%) C# .NET Developer
9 203 (8.55%) Java Engineer
10 199 (8.38%) Java Developer
11 168 (7.07%) Java Software Engineer
12 164 (6.91%) Full Stack Developer
13 142 (5.98%) Software Developer
14 116 (4.88%) Senior Software Engineer
15 104 (4.38%) AWS Engineer
16 100 (4.21%) AWS Software Engineer
17 98 (4.13%) PHP Developer
18 90 (3.79%) Developer/Software Engineer
19 89 (3.75%) Lead Developer
20 75 (3.16%) Lead Software Engineer
Libraries, Frameworks & Software Standards
1 940 (39.58%) .NET
2 720 (30.32%) React
3 586 (24.67%) .NET Core
4 549 (23.12%) AngularJS
5 522 (21.98%) ASP.NET
6 506 (21.31%) Node.js
7 462 (19.45%) Entity Framework
8 454 (19.12%) CSS
9 450 (18.95%) HTML
10 416 (17.52%) ASP.NET MVC
11 370 (15.58%) .NET Framework
12 365 (15.37%) Vue
13 316 (13.31%) Spring
14 281 (11.83%) REST
15 264 (11.12%) ASP.NET Web API
16 250 (10.53%) RESTful
17 224 (9.43%) Spring Boot
18 214 (9.01%) Web Services
19 201 (8.46%) Kafka
20 200 (8.42%) HTML5
Miscellaneous
1 173 (7.28%) Greenfield Project
2 148 (6.23%) Product Ownership
3 137 (5.77%) Algorithms
4 86 (3.62%) Data Structures
5 81 (3.41%) Cloud Native
6 70 (2.95%) Hedge funds
7 66 (2.78%) Fixed Income
8 64 (2.69%) Derivative
9 62 (2.61%) Distributed Systems
10 58 (2.44%) Foreign Exchange (FX)
11 49 (2.06%) Equities
11 49 (2.06%) Public Cloud
12 45 (1.89%) Onboarding
13 39 (1.64%) Client/Server
14 38 (1.60%) PropTech
15 35 (1.47%) Management Information System
16 33 (1.39%) Private Cloud
17 31 (1.31%) Enterprise Software
18 28 (1.18%) Market Risk
19 26 (1.09%) Mobile App
Operating Systems
1 120 (5.05%) Unix
2 112 (4.72%) Linux
3 44 (1.85%) Apple iOS
4 35 (1.47%) 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
10 3 (0.13%) FreeBSD
10 3 (0.13%) Mac OS X
10 3 (0.13%) Ubuntu
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 1,803 (75.92%) Agile
2 849 (35.75%) BDD
3 814 (34.27%) Software Engineering
4 813 (34.23%) Full Stack Development
5 782 (32.93%) CI/CD
6 765 (32.21%) Microservices
7 580 (24.42%) Scrum
8 567 (23.87%) DevOps
9 535 (22.53%) MVC
10 416 (17.52%) Test Automation
11 379 (15.96%) Kanban
12 336 (14.15%) Mentoring
13 330 (13.89%) SDLC
14 325 (13.68%) Continuous Integration
15 305 (12.84%) Problem-Solving
16 260 (10.95%) Unit Testing
17 227 (9.56%) Machine Learning
18 223 (9.39%) SOLID
19 212 (8.93%) Continuous Improvement
20 209 (8.80%) Artificial Intelligence
Programming Languages
1 1,012 (42.61%) JavaScript
2 969 (40.80%) C#
3 782 (32.93%) Java
4 742 (31.24%) SQL
5 547 (23.03%) TypeScript
6 439 (18.48%) Python
7 144 (6.06%) PHP
8 134 (5.64%) Go
9 85 (3.58%) PL/SQL
10 81 (3.41%) Kotlin
11 47 (1.98%) C
12 45 (1.89%) C++
13 41 (1.73%) T-SQL
14 34 (1.43%) Ruby
15 33 (1.39%) Scala
16 30 (1.26%) Shell Script
17 22 (0.93%) Bicep
18 19 (0.80%) Ada
19 16 (0.67%) Rust
20 15 (0.63%) Embedded C
Qualifications
1 180 (7.58%) Degree
2 158 (6.65%) Security Cleared
3 106 (4.46%) SC Cleared
4 62 (2.61%) Computer Science Degree
5 51 (2.15%) DBS Check
6 49 (2.06%) BPSS Clearance
7 32 (1.35%) Azure Certification
8 19 (0.80%) AWS Certification
9 9 (0.38%) Master's Degree
10 5 (0.21%) CIPD
10 5 (0.21%) DV Cleared
10 5 (0.21%) PhD
11 3 (0.13%) Microsoft Certification
11 3 (0.13%) PMI Certification
12 2 (0.084%) CISSP
12 2 (0.084%) ISTQB
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
1 163 (6.86%) QA
2 49 (2.06%) Accessibility
3 15 (0.63%) 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
1 378 (15.92%) Docker
2 81 (3.41%) HDFS
3 26 (1.09%) Active Directory
4 22 (0.93%) Hyper-V
5 20 (0.84%) Virtual Servers
6 16 (0.67%) 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
1 296 (12.46%) Kubernetes
2 253 (10.65%) Terraform
3 67 (2.82%) Ansible
4 19 (0.80%) Grafana
4 19 (0.80%) Kibana
5 7 (0.29%) Prometheus
6 5 (0.21%) Progress Chef
6 5 (0.21%) Puppet
7 3 (0.13%) Argo
7 3 (0.13%) Control-M
8 2 (0.084%) Istio
8 2 (0.084%) Kustomize
8 2 (0.084%) linkerd
9 1 (0.042%) Active Directory Federation Services
9 1 (0.042%) Consul
9 1 (0.042%) HAProxy
9 1 (0.042%) Nagios
9 1 (0.042%) NetIQ Identity Manager
9 1 (0.042%) Red Hat Spacewalk
9 1 (0.042%) Single Sign-On
Vendors
1 595 (25.05%) Microsoft
2 113 (4.76%) Databricks
3 81 (3.41%) Informatica
4 56 (2.36%) Oracle
5 51 (2.15%) Cloudera
6 34 (1.43%) WSO2
7 33 (1.39%) Google
8 26 (1.09%) Facebook
9 20 (0.84%) Atlassian
10 16 (0.67%) Splunk
10 16 (0.67%) VMware
11 15 (0.63%) IBM
12 13 (0.55%) Salesforce
13 11 (0.46%) Red Hat
14 10 (0.42%) Teradata
15 9 (0.38%) TOWER Software
16 7 (0.29%) Adobe
16 7 (0.29%) Bloomberg
16 7 (0.29%) ServiceNow
16 7 (0.29%) YouTube