Period
to

The following table provides summary statistics for permanent job vacancies advertised in London 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 4 July 2022 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > London
6 months to
4 Jul 2022
Same period 2021 Same period 2020
Rank 33 30 24
Rank change year-on-year -3 -6 +4
Permanent jobs citing TDD 7,466 3,584 3,131
As % of all permanent jobs advertised in London 9.63% 8.58% 9.51%
As % of the Processes & Methodologies category 9.97% 9.00% 10.09%
Number of salaries quoted 1,973 2,126 2,753
10th Percentile £53,750 £50,000 £43,750
25th Percentile £62,500 £57,500 £55,000
Median annual salary (50th Percentile) £80,000 £75,000 £70,000
Median % change year-on-year +6.67% +7.14% +7.69%
75th Percentile £95,000 £86,250 £85,000
90th Percentile £110,000 £100,000 £100,000
England median annual salary £67,500 £60,000 £60,000
% change year-on-year +12.50% - +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 London with a requirement for process or methodology skills.

All Process and Methodology Skills
London
Permanent vacancies with a requirement for process or methodology skills 74,886 39,811 31,034
As % of all permanent IT jobs advertised in London 96.62% 95.26% 94.30%
Number of salaries quoted 35,327 27,402 25,434
10th Percentile £42,500 £42,500 £40,000
25th Percentile £53,750 £52,500 £51,250
Median annual salary (50th Percentile) £70,000 £70,000 £67,500
Median % change year-on-year - +3.70% +3.85%
75th Percentile £92,250 £87,500 £85,000
90th Percentile £110,000 £105,000 £102,500
England median annual salary £60,000 £57,000 £55,000
% change year-on-year +5.26% +3.64% +4.76%

TDD
Job Vacancy Trend in London

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

Job vacancy trend for TDD in London

TDD
Salary Trend in London

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

Salary trend for TDD in London

TDD
Salary Histogram in London

Salary distribution for jobs citing TDD in London over the 6 months to 4 July 2022.

Salary histogram for TDD in London

TDD
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the London region over the 6 months to 4 July 2022. 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
Central London -5 525 £85,000 +9.68% 151
West London +4 408 £68,750 +5.77% 48
South London +9 223 £60,000 -0.50% 6
East London +12 83 £70,000 +33.33% 30
North London +8 46 - - 3
TDD
England

For the 6 months to 4 July 2022, 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 London region with a requirement for TDD.

1 5,443 (72.90%) Agile
2 3,546 (47.50%) Java
3 3,224 (43.18%) CI/CD
4 3,135 (41.99%) Software Engineering
5 3,117 (41.75%) JavaScript
6 3,083 (41.29%) AWS
7 2,749 (36.82%) BDD
8 2,725 (36.50%) Microservices
9 2,581 (34.57%) Docker
10 2,551 (34.17%) Finance
11 2,404 (32.20%) Kubernetes
12 2,355 (31.54%) React
13 2,149 (28.78%) Python
14 2,119 (28.38%) Git (software)
15 2,055 (27.52%) DevOps
16 1,940 (25.98%) Test Automation
17 1,924 (25.77%) Azure
18 1,864 (24.97%) Scrum
19 1,750 (23.44%) Continuous Integration
20 1,674 (22.42%) Full Stack Development
21 1,672 (22.39%) SQL
22 1,615 (21.63%) Node.js
23 1,522 (20.39%) Social Skills
24 1,478 (19.80%) .NET
25 1,471 (19.70%) Mentoring
26 1,463 (19.60%) CSS
27 1,419 (19.01%) GCP
28 1,403 (18.79%) Pair Programming
29 1,392 (18.64%) HTML
30 1,391 (18.63%) Serverless

TDD
Co-occurring IT Skills in London 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
1 241 (3.23%) Apache Spark
2 187 (2.50%) CMS
3 169 (2.26%) Confluence
4 99 (1.33%) Apache
5 72 (0.96%) Apache Airflow
6 60 (0.80%) WordPress
7 52 (0.70%) IIS
8 44 (0.59%) Cloud Foundry
9 42 (0.56%) nginx
10 41 (0.55%) Jetty
11 34 (0.46%) Headless CMS
12 30 (0.40%) Drupal
13 28 (0.38%) Apache Solr
13 28 (0.38%) Gunicorn
14 27 (0.36%) Camunda
15 25 (0.33%) SharePoint
16 24 (0.32%) Oracle Workflow
16 24 (0.32%) WebLogic
17 20 (0.27%) Ethereum
18 17 (0.23%) ColdFusion
Applications
1 48 (0.64%) Microsoft Excel
2 29 (0.39%) Photoshop
3 18 (0.24%) Sketch
4 14 (0.19%) Adobe XD
5 13 (0.17%) InVision
5 13 (0.17%) Spreadsheet
6 11 (0.15%) Microsoft Office
7 8 (0.11%) Maya
8 5 (0.067%) Maple
8 5 (0.067%) NUKE
9 4 (0.054%) Microsoft Project
9 4 (0.054%) MS Visio
10 3 (0.040%) Blender
11 1 (0.013%) Microsoft PowerPoint
Business Applications
1 47 (0.63%) Oracle BPM
2 28 (0.38%) Dynamics CRM
3 20 (0.27%) Payment Gateway
4 14 (0.19%) SAP Hybris
5 13 (0.17%) Ripple
5 13 (0.17%) Ripple XRP
6 9 (0.12%) Oracle ERP
7 8 (0.11%) Academy Revenues and Benefits
8 7 (0.094%) Magento
8 7 (0.094%) Summit
9 6 (0.080%) Distributed Ledger
10 5 (0.067%) MetaTrader
11 4 (0.054%) R3 Corda
12 1 (0.013%) Dynamics AX
12 1 (0.013%) SAP S/4HANA
12 1 (0.013%) Shopify
Cloud Services
1 3,083 (41.29%) AWS
2 1,924 (25.77%) Azure
3 1,419 (19.01%) GCP
4 1,391 (18.63%) Serverless
5 867 (11.61%) AWS Lambda
6 557 (7.46%) GitHub
7 370 (4.96%) Amazon S3
8 359 (4.81%) SaaS
9 278 (3.72%) Azure DevOps
10 230 (3.08%) Amazon ECS
11 217 (2.91%) AWS CloudFormation
12 210 (2.81%) Cloud Computing
13 192 (2.57%) OpenShift
14 153 (2.05%) npm
15 146 (1.96%) PaaS
16 143 (1.92%) Amazon CloudWatch
17 134 (1.79%) Cloud Functions
18 133 (1.78%) Amazon EC2
19 126 (1.69%) Amazon SQS
20 113 (1.51%) Azure Cosmos DB
Communications & Networking
1 230 (3.08%) Internet
2 208 (2.79%) HTTP
3 202 (2.71%) Broadband
4 59 (0.79%) VoIP
5 43 (0.58%) WebEx
6 41 (0.55%) MQTT
7 38 (0.51%) PPP
8 37 (0.50%) TCP/IP
9 28 (0.38%) NFC
10 16 (0.21%) Network Security
11 15 (0.20%) Skype
12 14 (0.19%) SSL
13 13 (0.17%) HTTPS
14 11 (0.15%) Bluetooth
15 10 (0.13%) Intranet
16 6 (0.080%) 5G
16 6 (0.080%) DSL
17 5 (0.067%) Ethernet
18 4 (0.054%) DVB
19 2 (0.027%) Wi-Fi
Database & Business Intelligence
1 920 (12.32%) NoSQL
2 851 (11.40%) MySQL
3 835 (11.18%) PostgreSQL
4 590 (7.90%) MongoDB
5 556 (7.45%) SQL Server
6 493 (6.60%) Relational Database
7 457 (6.12%) Big Data
8 446 (5.97%) Redis
9 382 (5.12%) Elasticsearch
10 248 (3.32%) DynamoDB
11 220 (2.95%) Apache Cassandra
12 164 (2.20%) Amazon Athena
13 159 (2.13%) RDBMS
14 146 (1.96%) Data Warehouse
15 132 (1.77%) Amazon Aurora
16 130 (1.74%) Flink
17 123 (1.65%) Amazon RDS
18 122 (1.63%) Data Lake
19 120 (1.61%) Hadoop
20 113 (1.51%) BigQuery
Development Applications
1 2,119 (28.38%) Git (software)
2 1,305 (17.48%) Jenkins
3 674 (9.03%) JIRA
4 531 (7.11%) Maven
5 484 (6.48%) Selenium
6 439 (5.88%) Gradle
7 433 (5.80%) JUnit
8 385 (5.16%) Cucumber
9 364 (4.88%) GitLab
10 343 (4.59%) Cypress.io
11 285 (3.82%) Mockito
12 263 (3.52%) TeamCity
13 257 (3.44%) Jasmine
14 256 (3.43%) webpack
15 247 (3.31%) Octopus Deploy
16 204 (2.73%) CircleCI
17 201 (2.69%) Subversion
18 198 (2.65%) Bitbucket
19 177 (2.37%) SonarQube
20 176 (2.36%) Ant
General
1 2,551 (34.17%) Finance
2 1,522 (20.39%) Social Skills
3 977 (13.09%) Banking
4 631 (8.45%) Inclusion and Diversity
5 503 (6.74%) Games
6 496 (6.64%) Retail
7 475 (6.36%) Analytical Skills
8 361 (4.84%) Manufacturing
9 336 (4.50%) Marketing
10 207 (2.77%) Public Sector
11 200 (2.68%) Legal
12 169 (2.26%) Financial Institution
13 132 (1.77%) Front Office
14 131 (1.75%) Advertising
15 123 (1.65%) Organisational Skills
16 110 (1.47%) Pharmaceutical
17 98 (1.31%) Automotive
18 89 (1.19%) Investment Banking
19 86 (1.15%) Presentation Skills
20 78 (1.04%) Back Office
Job Titles
1 3,346 (44.82%) Developer
2 1,712 (22.93%) Software Engineer
3 1,078 (14.44%) Senior Developer
4 898 (12.03%) Java Developer
5 749 (10.03%) Senior Software Engineer
6 569 (7.62%) Java Engineer
7 446 (5.97%) Full Stack Developer
8 432 (5.79%) Software Developer
9 355 (4.75%) Front End Developer (Client-Side Developer)
10 309 (4.14%) Senior Java Developer
11 300 (4.02%) Senior Java Engineer
12 287 (3.84%) Lead Developer
13 273 (3.66%) .NET Developer
14 193 (2.59%) C# Developer
15 191 (2.56%) Backend Developer
16 186 (2.49%) Python Developer
17 185 (2.48%) Java Software Engineer
18 179 (2.40%) React Developer
19 177 (2.37%) DevOps Engineer
20 172 (2.30%) Technical Leader
Libraries, Frameworks & Software Standards
1 2,355 (31.54%) React
2 1,615 (21.63%) Node.js
3 1,478 (19.80%) .NET
4 1,463 (19.60%) CSS
5 1,392 (18.64%) HTML
6 1,336 (17.89%) Spring
7 1,221 (16.35%) REST
8 1,086 (14.55%) RESTful
9 1,080 (14.47%) AngularJS
10 1,052 (14.09%) Kafka
11 983 (13.17%) Spring Boot
12 622 (8.33%) Web Services
13 577 (7.73%) .NET Core
14 556 (7.45%) ASP.NET
15 534 (7.15%) Vue.js
16 526 (7.05%) HTML5
17 511 (6.84%) GraphQL
18 509 (6.82%) Jest
19 411 (5.50%) React Native
20 402 (5.38%) CSS3
Miscellaneous
1 709 (9.50%) User Experience
2 700 (9.38%) Algorithms
3 640 (8.57%) Data Structures
4 499 (6.68%) Cloud Native
5 432 (5.79%) Greenfield Project
6 349 (4.67%) Life Science
6 349 (4.67%) Mobile App
7 324 (4.34%) Self-Motivation
8 301 (4.03%) Enterprise Software
9 224 (3.00%) Blog
10 206 (2.76%) Public Cloud
11 205 (2.75%) Social Network
12 191 (2.56%) Virtual Team
13 186 (2.49%) Social Media
14 162 (2.17%) Foreign Exchange (FX)
15 144 (1.93%) Video\Live Streaming
16 143 (1.92%) Linux Command Line
17 126 (1.69%) Over-the-Top Content
18 125 (1.67%) Sports Betting
19 100 (1.34%) Hackathon
Operating Systems
1 762 (10.21%) Linux
2 420 (5.63%) Unix
3 408 (5.46%) Android
4 380 (5.09%) Apple iOS
5 280 (3.75%) Windows
6 73 (0.98%) Mesosphere
7 57 (0.76%) VMS
8 52 (0.70%) Mac OS X
9 36 (0.48%) Ubuntu
10 26 (0.35%) CentOS
11 14 (0.19%) Mac OS
12 7 (0.094%) Tizen
12 7 (0.094%) webOS
13 4 (0.054%) Windows Server
14 2 (0.027%) Android TV
14 2 (0.027%) Angstrom
15 1 (0.013%) Debian
15 1 (0.013%) Embedded Linux
Processes & Methodologies
1 5,443 (72.90%) Agile
2 3,224 (43.18%) CI/CD
3 3,135 (41.99%) Software Engineering
4 2,749 (36.82%) BDD
5 2,725 (36.50%) Microservices
6 2,055 (27.52%) DevOps
7 1,940 (25.98%) Test Automation
8 1,864 (24.97%) Scrum
9 1,750 (23.44%) Continuous Integration
10 1,674 (22.42%) Full Stack Development
11 1,471 (19.70%) Mentoring
12 1,403 (18.79%) Pair Programming
13 1,071 (14.35%) Problem-Solving
14 1,058 (14.17%) OO
15 1,027 (13.76%) Coaching
16 917 (12.28%) Kanban
17 905 (12.12%) Unit Testing
18 870 (11.65%) Continuous Delivery
19 866 (11.60%) Front End Development
20 856 (11.47%) Continuous Improvement
Programming Languages
1 3,546 (47.50%) Java
2 3,117 (41.75%) JavaScript
3 2,149 (28.78%) Python
4 1,672 (22.39%) SQL
5 1,379 (18.47%) C#
6 1,296 (17.36%) TypeScript
7 592 (7.93%) Go
8 513 (6.87%) Ruby
9 493 (6.60%) Kotlin
10 399 (5.34%) PHP
11 396 (5.30%) Scala
12 308 (4.13%) ES6
13 306 (4.10%) C++
14 288 (3.86%) PowerShell
15 281 (3.76%) C
16 252 (3.38%) Shell Script
17 179 (2.40%) Objective-C
18 172 (2.30%) Perl
19 165 (2.21%) Groovy
20 151 (2.02%) Clojure
Qualifications
1 870 (11.65%) Degree
2 487 (6.52%) Computer Science Degree
3 74 (0.99%) Master's Degree
4 64 (0.86%) Security Cleared
5 51 (0.68%) PMI Certification
6 46 (0.62%) SC Cleared
7 35 (0.47%) ISTQB
8 31 (0.42%) Numerate Degree
9 14 (0.19%) ISTQB Foundation Certification
10 11 (0.15%) ISEB
11 10 (0.13%) MCPD
11 10 (0.13%) MCSD
11 10 (0.13%) Microsoft Certification
12 8 (0.11%) AWS Certification
13 5 (0.067%) PhD
14 4 (0.054%) DV Cleared
15 3 (0.040%) TOGAF Certification
16 2 (0.027%) BPSS Clearance
16 2 (0.027%) ITIL Certification
16 2 (0.027%) SANS
Quality Assurance & Compliance
1 848 (11.36%) QA
2 303 (4.06%) Accessibility
3 72 (0.96%) SLA
4 23 (0.31%) EMIR
4 23 (0.31%) MiFID
5 19 (0.25%) GDPR
6 14 (0.19%) ISO/IEC 27001
6 14 (0.19%) PCI DSS
7 13 (0.17%) Data Quality
8 12 (0.16%) Cyber Essentials
8 12 (0.16%) Cyber Essentials PLUS
8 12 (0.16%) ISO 9001
8 12 (0.16%) WAI
9 6 (0.080%) PMO
10 3 (0.040%) FATCA
11 2 (0.027%) GxP
12 1 (0.013%) ISO 13485
12 1 (0.013%) ISO 20022
12 1 (0.013%) NIST
12 1 (0.013%) WCAG
System Software
1 2,581 (34.57%) Docker
2 59 (0.79%) Apache ZooKeeper
3 33 (0.44%) Active Directory
4 19 (0.25%) Virtual Machines
5 9 (0.12%) Firmware
6 2 (0.027%) Postfix
7 1 (0.013%) Ceph
7 1 (0.013%) NFS
Systems Management
1 2,404 (32.20%) Kubernetes
2 1,002 (13.42%) Terraform
3 315 (4.22%) Ansible
4 197 (2.64%) Puppet
5 190 (2.54%) Opscode Chef
6 177 (2.37%) Grafana
7 151 (2.02%) Prometheus
8 127 (1.70%) Kibana
9 121 (1.62%) logstash
10 113 (1.51%) Istio
11 73 (0.98%) Automic
12 57 (0.76%) Consul
13 49 (0.66%) Fortio
13 49 (0.66%) Kiali
14 45 (0.60%) Rancher
15 44 (0.59%) Single Sign-On
16 36 (0.48%) MIIS
17 33 (0.44%) Opsgenie
18 28 (0.38%) HAProxy
18 28 (0.38%) Pingdom
Vendors
1 858 (11.49%) Google
2 476 (6.38%) Microsoft
3 172 (2.30%) Twitter
4 160 (2.14%) Oracle
5 150 (2.01%) Splunk
6 101 (1.35%) Apple
7 89 (1.19%) Spotify
8 69 (0.92%) Funding Circle
9 63 (0.84%) LexisNexis
10 61 (0.82%) Confluent
10 61 (0.82%) TrueLayer
11 60 (0.80%) Revolut
12 59 (0.79%) Zopa
13 55 (0.74%) New Relic
14 52 (0.70%) Databricks
15 46 (0.62%) Sybase
16 45 (0.60%) Tencent
17 43 (0.58%) Sun
17 43 (0.58%) Zend
18 40 (0.54%) Cisco