Job Vacancy Trend Salary Trend Salary Histogram Skill Sets
Period
to

The table below provides summary statistics for permanent job vacancies with an option to work from home (WFH) and 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 8 August 2022 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
UK > Work from Home
6 months to
8 Aug 2022		 Same period 2021 Same period 2020
Rank 43 34 24
Rank change year-on-year -9 -10 +7
Permanent jobs citing TDD 5,478 3,082 854
As % of all permanent jobs with a WFH option 7.12% 7.61% 9.68%
As % of the Processes & Methodologies category 7.37% 8.00% 10.48%
Number of salaries quoted 2,444 2,152 789
10th Percentile £43,750 £38,750 £38,750
25th Percentile £52,500 £47,250 £45,000
Median annual salary (50th Percentile) £65,000 £60,000 £60,000
Median % change year-on-year +8.33% - +6.19%
75th Percentile £82,500 £77,500 £77,500
90th Percentile £93,750 £86,250 £90,000
UK median annual salary £67,350 £60,000 £60,000
% change year-on-year +12.25% - +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 with a WFH option and a requirement for process or methodology skills.

All Process and Methodology Skills
Work from Home
Permanent vacancies with a requirement for process or methodology skills 74,353 38,516 8,145
As % of all permanent jobs with a WFH option 96.63% 95.10% 92.33%
Number of salaries quoted 43,147 29,135 7,022
10th Percentile £36,750 £35,000 £35,000
25th Percentile £46,250 £42,500 £42,500
Median annual salary (50th Percentile) £60,000 £55,000 £55,000
Median % change year-on-year +9.09% - -
75th Percentile £80,000 £75,000 £73,750
90th Percentile £95,000 £90,000 £86,250
UK median annual salary £60,000 £55,000 £55,000
% change year-on-year +9.09% - +4.76%

TDD
Trend for Jobs with a WFH Option

Job vacancies with a work from home option citing TDD as a proportion of all IT jobs advertised.

TDD trend for jobs with a WFH option

TDD
Salary Trend for Jobs with a WFH Option

3-month moving average salary quoted in job vacancies with a work from home option citing TDD.

TDD salary trend for jobs with a WFH option

TDD
Salary Histogram for Jobs with a WFH Option

Salary distribution for jobs with a work from home option citing TDD over the 6 months to 8 August 2022.

TDD salary histogram for jobs with a WFH option

For the 6 months to 8 August 2022, TDD job roles required the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent jobs with a WFH option and a requirement for TDD.

1 3,906 (71.30%) Agile
2 2,500 (45.64%) Software Engineering
3 2,177 (39.74%) Java
4 2,157 (39.38%) AWS
5 2,145 (39.16%) CI/CD
6 2,104 (38.41%) JavaScript
7 1,798 (32.82%) React
8 1,706 (31.14%) BDD
9 1,662 (30.34%) Microservices
10 1,659 (30.28%) Docker
11 1,655 (30.21%) DevOps
12 1,553 (28.35%) Azure
13 1,551 (28.31%) Scrum
14 1,523 (27.80%) Git (software)
15 1,516 (27.67%) SQL
16 1,408 (25.70%) Kubernetes
17 1,378 (25.16%) Python
18 1,373 (25.06%) C#
19 1,371 (25.03%) Finance
20 1,265 (23.09%) .NET
21 1,227 (22.40%) Social Skills
22 1,192 (21.76%) Test Automation
23 1,158 (21.14%) TypeScript
24 1,135 (20.72%) Continuous Integration
25 1,108 (20.23%) Full Stack Development
26 1,087 (19.84%) Node.js
27 1,028 (18.77%) Mentoring
28 929 (16.96%) Pair Programming
29 876 (15.99%) HTML
30 854 (15.59%) Terraform

TDD
Co-occurring IT Skills with a WFH Option 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
1 198 (3.61%) Confluence
2 117 (2.14%) Apache
3 99 (1.81%) CMS
4 88 (1.61%) Cloud Foundry
5 76 (1.39%) Apache Spark
6 62 (1.13%) Apache Airflow
7 52 (0.95%) nginx
8 41 (0.75%) IIS
9 36 (0.66%) Headless CMS
10 29 (0.53%) Drupal
11 27 (0.49%) WebSphere
12 26 (0.47%) JBoss
12 26 (0.47%) WordPress
13 24 (0.44%) Ethereum
13 24 (0.44%) IBM Domino
14 23 (0.42%) Gunicorn
15 15 (0.27%) Apache Solr
16 14 (0.26%) Jupyter
17 13 (0.24%) GlassFish
18 12 (0.22%) Oracle SOA Suite
Applications
1 14 (0.26%) Microsoft Excel
2 11 (0.20%) Microsoft Office
3 7 (0.13%) Adobe XD
3 7 (0.13%) Maple
4 6 (0.11%) Adobe Illustrator
5 5 (0.091%) Chatbot
5 5 (0.091%) Maya
5 5 (0.091%) NUKE
5 5 (0.091%) Photoshop
6 4 (0.073%) Sketch
7 3 (0.055%) UXPin
8 1 (0.018%) Microsoft Project
8 1 (0.018%) MS Visio
Business Applications
1 19 (0.35%) Oracle BPM
2 17 (0.31%) Dynamics CRM
2 17 (0.31%) Payment Gateway
3 15 (0.27%) Magento
4 13 (0.24%) Ripple
4 13 (0.24%) Ripple XRP
5 8 (0.15%) Academy Revenues and Benefits
5 8 (0.15%) SAP Hybris
6 6 (0.11%) Shopify
7 5 (0.091%) MetaTrader
7 5 (0.091%) ProductWriter
8 3 (0.055%) Distributed Ledger
8 3 (0.055%) Summit
Cloud Services
1 2,157 (39.38%) AWS
2 1,553 (28.35%) Azure
3 830 (15.15%) GCP
4 777 (14.18%) Serverless
5 503 (9.18%) GitHub
6 496 (9.05%) AWS Lambda
7 361 (6.59%) SaaS
8 343 (6.26%) Azure DevOps
9 261 (4.76%) Amazon S3
10 233 (4.25%) PaaS
11 203 (3.71%) Cloud Computing
12 191 (3.49%) AWS CloudFormation
13 161 (2.94%) Amazon EC2
14 147 (2.68%) Amazon SQS
15 129 (2.35%) Datadog
16 118 (2.15%) IaaS
17 110 (2.01%) Heroku
18 107 (1.95%) npm
19 104 (1.90%) Amazon ECS
20 101 (1.84%) Amazon EKS
Communications & Networking
1 143 (2.61%) HTTP
2 98 (1.79%) Broadband
3 37 (0.68%) TCP/IP
4 29 (0.53%) Wireless
5 27 (0.49%) Internet
6 22 (0.40%) DNS
7 19 (0.35%) HTTPS
7 19 (0.35%) Modbus
7 19 (0.35%) RS-422
7 19 (0.35%) RS-485
8 18 (0.33%) SSL
9 17 (0.31%) Network Security
10 15 (0.27%) Skype
11 13 (0.24%) VoIP
12 12 (0.22%) Wi-Fi
13 10 (0.18%) RS-232
14 6 (0.11%) DSL
14 6 (0.11%) Firewall
14 6 (0.11%) RIP
15 5 (0.091%) Ethernet
Database & Business Intelligence
1 583 (10.64%) NoSQL
2 536 (9.78%) MySQL
3 512 (9.35%) PostgreSQL
4 415 (7.58%) Relational Database
5 304 (5.55%) SQL Server
6 284 (5.18%) MongoDB
7 215 (3.92%) Elasticsearch
8 193 (3.52%) Big Data
9 178 (3.25%) Redis
10 141 (2.57%) Data Warehouse
11 135 (2.46%) DynamoDB
12 115 (2.10%) Data Lake
13 93 (1.70%) Amazon Athena
14 92 (1.68%) Amazon RDS
14 92 (1.68%) RDBMS
15 79 (1.44%) Amazon Aurora
16 76 (1.39%) Hadoop
17 60 (1.10%) Power BI
18 59 (1.08%) Amazon Redshift
19 45 (0.82%) MariaDB
Development Applications
1 1,523 (27.80%) Git (software)
2 762 (13.91%) Jenkins
3 407 (7.43%) JIRA
4 344 (6.28%) Selenium
5 317 (5.79%) Cucumber
6 272 (4.97%) JUnit
7 255 (4.65%) GitLab
8 218 (3.98%) Maven
9 179 (3.27%) Cypress.io
10 174 (3.18%) Bitbucket
11 139 (2.54%) Mockito
12 137 (2.50%) Visual Studio
13 132 (2.41%) Gradle
14 129 (2.35%) webpack
15 110 (2.01%) Postman
16 109 (1.99%) Jasmine
17 107 (1.95%) SonarQube
18 96 (1.75%) CircleCI
19 93 (1.70%) RSpec
20 80 (1.46%) TeamCity
General
1 1,371 (25.03%) Finance
2 1,227 (22.40%) Social Skills
3 709 (12.94%) Inclusion and Diversity
4 618 (11.28%) Banking
5 470 (8.58%) Games
6 353 (6.44%) Analytical Skills
7 320 (5.84%) Public Sector
8 319 (5.82%) Retail
9 289 (5.28%) Marketing
10 181 (3.30%) Legal
11 143 (2.61%) Advertising
12 114 (2.08%) Financial Institution
13 102 (1.86%) Law
14 95 (1.73%) Organisational Skills
15 83 (1.52%) Presentation Skills
16 79 (1.44%) Publishing
17 68 (1.24%) Automotive
18 63 (1.15%) Electronics
19 59 (1.08%) Telecoms
20 52 (0.95%) Social Housing
Job Titles
1 2,413 (44.05%) Developer
2 1,374 (25.08%) Software Engineer
3 721 (13.16%) Senior Developer
4 607 (11.08%) Java Developer
5 497 (9.07%) Senior Software Engineer
6 386 (7.05%) Software Developer
7 377 (6.88%) .NET Developer
8 321 (5.86%) Java Engineer
9 271 (4.95%) C# Developer
10 266 (4.86%) Full Stack Developer
11 184 (3.36%) Java Software Engineer
12 182 (3.32%) DevOps Engineer
13 181 (3.30%) Senior Java Developer
14 173 (3.16%) Front End Developer (Client-Side Developer)
15 161 (2.94%) C# .NET Developer
15 161 (2.94%) Lead Developer
16 160 (2.92%) Data Engineer
17 148 (2.70%) React Developer
18 144 (2.63%) Python Developer
19 135 (2.46%) Senior Software Developer
Libraries, Frameworks & Software Standards
1 1,798 (32.82%) React
2 1,265 (23.09%) .NET
3 1,087 (19.84%) Node.js
4 876 (15.99%) HTML
5 831 (15.17%) CSS
6 792 (14.46%) Kafka
7 774 (14.13%) RESTful
8 747 (13.64%) AngularJS
9 743 (13.56%) Spring
10 695 (12.69%) REST
11 534 (9.75%) .NET Core
12 491 (8.96%) Spring Boot
13 450 (8.21%) .NET Framework
14 389 (7.10%) Web Services
15 373 (6.81%) GraphQL
16 343 (6.26%) HTML5
17 327 (5.97%) Vue.js
18 310 (5.66%) Entity Framework
19 309 (5.64%) ASP.NET Web API
20 291 (5.31%) ASP.NET
Miscellaneous
1 397 (7.25%) User Experience
2 375 (6.85%) Cloud Native
3 328 (5.99%) Greenfield Project
4 226 (4.13%) Mobile App
5 183 (3.34%) Virtual Team
6 178 (3.25%) Self-Motivation
7 174 (3.18%) Algorithms
8 168 (3.07%) Blog
9 142 (2.59%) Public Cloud
10 117 (2.14%) Blockchain
11 107 (1.95%) Data Structures
12 98 (1.79%) Social Network
13 94 (1.72%) Enterprise Software
14 92 (1.68%) Sports Betting
15 87 (1.59%) Cyberattack
16 86 (1.57%) Legacy Systems
17 79 (1.44%) Cyber Defence
18 77 (1.41%) Data Protection Act
19 75 (1.37%) Cardano
19 75 (1.37%) NHS
Operating Systems
1 609 (11.12%) Linux
2 292 (5.33%) Android
3 233 (4.25%) Windows
4 221 (4.03%) Unix
5 202 (3.69%) Apple iOS
6 50 (0.91%) Ubuntu
7 22 (0.40%) Windows Server
8 21 (0.38%) CentOS
9 12 (0.22%) Mac OS X
10 8 (0.15%) Debian
11 7 (0.13%) Mac OS
11 7 (0.13%) Windows Embedded Compact
12 5 (0.091%) Embedded Linux
13 2 (0.037%) Android TV
13 2 (0.037%) Angstrom
13 2 (0.037%) Red Hat Enterprise Linux
13 2 (0.037%) VMS
14 1 (0.018%) FreeBSD
Processes & Methodologies
1 3,906 (71.30%) Agile
2 2,500 (45.64%) Software Engineering
3 2,145 (39.16%) CI/CD
4 1,706 (31.14%) BDD
5 1,662 (30.34%) Microservices
6 1,655 (30.21%) DevOps
7 1,551 (28.31%) Scrum
8 1,192 (21.76%) Test Automation
9 1,135 (20.72%) Continuous Integration
10 1,108 (20.23%) Full Stack Development
11 1,028 (18.77%) Mentoring
12 929 (16.96%) Pair Programming
13 796 (14.53%) Coaching
14 726 (13.25%) OO
15 703 (12.83%) Unit Testing
16 687 (12.54%) SDLC
17 672 (12.27%) Continuous Improvement
18 670 (12.23%) Problem-Solving
19 634 (11.57%) Kanban
20 571 (10.42%) Fintech
Programming Languages
1 2,177 (39.74%) Java
2 2,104 (38.41%) JavaScript
3 1,516 (27.67%) SQL
4 1,378 (25.16%) Python
5 1,373 (25.06%) C#
6 1,158 (21.14%) TypeScript
7 443 (8.09%) Kotlin
8 420 (7.67%) Ruby
9 366 (6.68%) PHP
10 364 (6.64%) Go
11 310 (5.66%) Scala
12 266 (4.86%) C++
13 225 (4.11%) T-SQL
14 187 (3.41%) C
15 155 (2.83%) ES6
16 123 (2.25%) Bash
17 108 (1.97%) PowerShell
18 104 (1.90%) Clojure
19 90 (1.64%) Groovy
20 70 (1.28%) Apple Swift
Qualifications
1 509 (9.29%) Degree
2 250 (4.56%) Computer Science Degree
3 164 (2.99%) Security Cleared
4 120 (2.19%) SC Cleared
5 45 (0.82%) Numerate Degree
6 42 (0.77%) Microsoft Certification
7 37 (0.68%) PhD
8 25 (0.46%) AWS Certification
9 24 (0.44%) ISTQB
10 18 (0.33%) BPSS Clearance
11 17 (0.31%) ISEB
11 17 (0.31%) Master's Degree
12 15 (0.27%) PMI Certification
13 14 (0.26%) ISTQB Foundation Certification
14 13 (0.24%) MCPD
14 13 (0.24%) MCSD
15 12 (0.22%) Postgraduate
16 11 (0.20%) MCAD
17 10 (0.18%) DBS Check
18 6 (0.11%) ISEB Practitioner
Quality Assurance & Compliance
1 536 (9.78%) QA
2 181 (3.30%) Accessibility
3 53 (0.97%) GDPR
4 51 (0.93%) SLA
5 23 (0.42%) Data Quality
6 16 (0.29%) WAI
7 14 (0.26%) HL7
8 10 (0.18%) WCAG
9 2 (0.037%) GxP
9 2 (0.037%) ISO/IEC 27001
9 2 (0.037%) PMO
10 1 (0.018%) ISO 20022
10 1 (0.018%) NIST
10 1 (0.018%) PCI DSS
10 1 (0.018%) PSD2
System Software
1 1,659 (30.28%) Docker
2 23 (0.42%) Virtual Machines
3 21 (0.38%) Apache ZooKeeper
3 21 (0.38%) VMware Infrastructure
4 19 (0.35%) KVM
5 17 (0.31%) Xen
6 11 (0.20%) Firmware
7 9 (0.16%) Active Directory
8 7 (0.13%) LXC
9 2 (0.037%) Hyper-V
9 2 (0.037%) IAG
10 1 (0.018%) Oracle RAC
Systems Management
1 1,408 (25.70%) Kubernetes
2 854 (15.59%) Terraform
3 195 (3.56%) Ansible
4 109 (1.99%) Grafana
5 70 (1.28%) Opscode Chef
6 68 (1.24%) Puppet
7 50 (0.91%) Prometheus
8 49 (0.89%) Single Sign-On
9 48 (0.88%) Istio
10 32 (0.58%) Fortio
10 32 (0.58%) Kiali
11 22 (0.40%) Rancher
12 18 (0.33%) Nagios
13 17 (0.31%) ZABBIX
14 15 (0.27%) Docker Swarm
15 14 (0.26%) Kubeflow
16 13 (0.24%) Bugsnag
17 12 (0.22%) linkerd
18 11 (0.20%) Active Directory Federation Services
18 11 (0.20%) Packer
Vendors
1 514 (9.38%) Microsoft
2 319 (5.82%) Google
3 108 (1.97%) Oracle
4 72 (1.31%) Spotify
5 57 (1.04%) Funding Circle
6 55 (1.00%) TrueLayer
7 44 (0.80%) Zopa
8 43 (0.78%) Revolut
9 41 (0.75%) Zend
10 38 (0.69%) Salesforce.com
11 35 (0.64%) Atlassian
11 35 (0.64%) Confluent
12 30 (0.55%) Tencent
13 28 (0.51%) Dell
13 28 (0.51%) SAP
14 27 (0.49%) Databricks
15 26 (0.47%) IBM
15 26 (0.47%) Splunk
16 23 (0.42%) Apple
17 21 (0.38%) VMware