Period
to 31 May 2020

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 31 May 2020 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > London
6 months to
31 May 2020
Same period 2019 Same period 2018
Rank 21 27 22
Rank change year-on-year +6 -5 -4
Permanent jobs citing TDD 3,583 4,658 6,717
As % of all permanent jobs advertised in London 9.58% 7.99% 9.67%
As % of the Processes & Methodologies category 10.21% 8.60% 10.38%
Number of salaries quoted 3,314 4,156 5,899
Median annual salary £70,000 £65,000 £62,500
Median salary % change year-on-year +7.69% +4.00% +4.17%
10th Percentile £42,500 £37,500 £38,250
90th Percentile £98,750 £93,750 £90,000
England median annual salary £60,000 £55,000 £52,500
% change year-on-year +9.09% +4.76% +5.00%

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 35,078 54,174 64,734
As % of all permanent IT jobs advertised in London 93.81% 92.92% 93.21%
Number of salaries quoted 28,214 43,754 52,223
Median annual salary £67,500 £65,000 £60,000
Median salary % change year-on-year +3.85% +8.33% -
10th Percentile £38,750 £36,250 £35,250
90th Percentile £102,500 £96,250 £93,750
England median annual salary £55,000 £52,500 £50,000
% change year-on-year +4.76% +5.00% -

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 31 May 2020.

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 31 May 2020. 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
Job
Vacancies
Central London +4 777 £72,500 +3.57% 97
West London +17 225 £62,500 +13.64% 26
South London +8 83 £62,500 +13.64% 6
East London -24 19 £66,250 +10.42% 12
North London -12 7 £50,000 +14.29%
TDD
England

For the 6 months to 31 May 2020, 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 2,705 (75.50%) Agile Software Development
2 1,574 (43.93%) BDD
3 1,558 (43.48%) JavaScript
4 1,377 (38.43%) Microservices
5 1,343 (37.48%) C#
6 1,284 (35.84%) .NET
7 1,256 (35.05%) Java
8 1,251 (34.91%) AWS
9 1,117 (31.17%) React
10 1,111 (31.01%) Scrum
11 1,063 (29.67%) AngularJS
12 994 (27.74%) Azure
13 945 (26.37%) Node.js
14 850 (23.72%) SQL Server
15 836 (23.33%) Docker
16 826 (23.05%) Finance
17 785 (21.91%) Software Engineering
18 774 (21.60%) Kanban
19 751 (20.96%) Continuous Integration
20 729 (20.35%) Git (software)
20 729 (20.35%) .NET Core
21 715 (19.96%) MVC
22 699 (19.51%) DevOps
23 675 (18.84%) TypeScript
24 658 (18.36%) SQL
25 645 (18.00%) Kubernetes
26 636 (17.75%) HTML
27 635 (17.72%) ASP.NET Web API
28 627 (17.50%) ASP.NET
29 624 (17.42%) CSS

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
1 467 (13.03%) Elasticsearch
2 124 (3.46%) Confluence
3 88 (2.46%) Apache Spark
4 60 (1.67%) CMS
5 42 (1.17%) Tomcat
5 42 (1.17%) Umbraco
6 38 (1.06%) Apache
7 33 (0.92%) Sitecore CMS
8 30 (0.84%) IIS
9 27 (0.75%) EPiServer
10 26 (0.73%) DNN
10 26 (0.73%) Immediacy CMS
10 26 (0.73%) Kentico
10 26 (0.73%) Sitefinity
11 23 (0.64%) nginx
12 17 (0.47%) SharePoint
13 13 (0.36%) Apache Airflow
14 12 (0.33%) Adobe Experience Manager
15 11 (0.31%) Cloud Foundry
16 10 (0.28%) Oracle SOA Suite
Applications
1 10 (0.28%) Adobe XD
1 10 (0.28%) InVision
1 10 (0.28%) Microsoft Excel
1 10 (0.28%) Zeplin
2 9 (0.25%) Chatbot
3 5 (0.14%) Photoshop
4 2 (0.056%) Adobe Illustrator
5 1 (0.028%) Mingle
Business Applications
1 13 (0.36%) Payment Gateway
2 12 (0.33%) Dynamics CRM
3 8 (0.22%) Magento
4 7 (0.20%) Distributed Ledger
5 4 (0.11%) Dynamics AX
5 4 (0.11%) R3 Corda
6 3 (0.084%) Tesseract
7 2 (0.056%) SAP Hybris
7 2 (0.056%) Unit4 Business World
8 1 (0.028%) Oracle BPM
8 1 (0.028%) Salesforce.com CRM
8 1 (0.028%) Shopify
Cloud Services
1 1,251 (34.91%) AWS
2 994 (27.74%) Azure
3 211 (5.89%) Serverless
4 150 (4.19%) SaaS
5 141 (3.94%) GCP
6 120 (3.35%) AWS Lambda
7 116 (3.24%) GitHub
8 94 (2.62%) PaaS
9 61 (1.70%) Amazon EC2
10 58 (1.62%) Amazon SQS
11 53 (1.48%) Amazon S3
12 51 (1.42%) AWS CloudFormation
13 43 (1.20%) Cloud Computing
14 41 (1.14%) npm
15 34 (0.95%) Power Platform
16 31 (0.87%) OpenShift
17 30 (0.84%) Amazon ECS
18 25 (0.70%) Amazon Cognito
19 20 (0.56%) Azure Functions
20 17 (0.47%) Amazon Kinesis
Communications & Networking
1 94 (2.62%) Internet
2 48 (1.34%) HTTP
3 14 (0.39%) Broadband
4 11 (0.31%) DNS
5 9 (0.25%) TCP/IP
6 7 (0.20%) FIX Connectivity
7 4 (0.11%) Reverse Proxy
8 3 (0.084%) NFC
8 3 (0.084%) Skype
8 3 (0.084%) SSL
9 2 (0.056%) DMZ
9 2 (0.056%) HTTPS
9 2 (0.056%) VoIP
10 1 (0.028%) AMQP
10 1 (0.028%) Bluetooth
10 1 (0.028%) Multicast
10 1 (0.028%) RFID
10 1 (0.028%) SSH
Database & Business Intelligence
1 850 (23.72%) SQL Server
2 578 (16.13%) MongoDB
3 408 (11.39%) NoSQL
4 405 (11.30%) SQL Server 2019
5 235 (6.56%) MySQL
6 204 (5.69%) PostgreSQL
7 134 (3.74%) Relational Database
8 91 (2.54%) Redis
9 84 (2.34%) Apache Cassandra
10 80 (2.23%) Hadoop
11 72 (2.01%) Big Data
12 64 (1.79%) Amazon DynamoDB
13 63 (1.76%) SQL Server 2016
14 62 (1.73%) Amazon RDS
15 58 (1.62%) Data Warehouse
16 49 (1.37%) Cosmos DB
17 45 (1.26%) Azure SQL Database
18 30 (0.84%) Amazon Redshift
18 30 (0.84%) RDBMS
19 28 (0.78%) Power BI
Development Applications
1 729 (20.35%) Git (software)
2 364 (10.16%) Jenkins
3 253 (7.06%) Selenium
4 210 (5.86%) JIRA
5 160 (4.47%) Cucumber
6 143 (3.99%) Maven
7 138 (3.85%) TeamCity
8 118 (3.29%) JUnit
9 110 (3.07%) Visual Studio
10 99 (2.76%) NUnit
11 94 (2.62%) SpecFlow
12 92 (2.57%) Jasmine
13 91 (2.54%) Bitbucket
14 83 (2.32%) webpack
15 78 (2.18%) Octopus Deploy
16 66 (1.84%) Mocha
17 54 (1.51%) Cypress.io
18 49 (1.37%) Mockito
19 44 (1.23%) Karma Test Runner
20 41 (1.14%) Gradle
General
1 826 (23.05%) Finance
2 348 (9.71%) Banking
3 266 (7.42%) Games
4 182 (5.08%) Retail
5 145 (4.05%) Front Office
6 124 (3.46%) Marketing
7 86 (2.40%) Investment Banking
8 71 (1.98%) Public Sector
9 57 (1.59%) Advertising
10 48 (1.34%) Telecoms
11 38 (1.06%) Back Office
12 34 (0.95%) Financial Institution
13 25 (0.70%) Legal
14 24 (0.67%) Law
15 15 (0.42%) Publishing
16 8 (0.22%) Billing
16 8 (0.22%) Electronics
17 7 (0.20%) Online Betting
17 7 (0.20%) Pharmaceutical
17 7 (0.20%) Retail Finance
Job Titles
1 2,479 (69.19%) Developer
2 748 (20.88%) .NET Developer
3 590 (16.47%) Java Developer
4 563 (15.71%) C# Developer
5 477 (13.31%) Senior Developer
6 380 (10.61%) C# .NET Developer
7 318 (8.88%) Software Engineer
8 247 (6.89%) Full Stack Developer
9 219 (6.11%) React Developer
10 171 (4.77%) Java Engineer
11 170 (4.74%) Front End Developer (Client-Side Developer)
12 156 (4.35%) JavaScript Developer
13 135 (3.77%) Senior Java Developer
14 133 (3.71%) Junior
15 126 (3.52%) AWS Developer
16 115 (3.21%) Junior Developer
17 106 (2.96%) Java Software Engineer
17 106 (2.96%) Lead Developer
17 106 (2.96%) Python Developer
18 96 (2.68%) Scala Developer
Libraries, Frameworks & Software Standards
1 1,284 (35.84%) .NET
2 1,117 (31.17%) React
3 1,063 (29.67%) AngularJS
4 945 (26.37%) Node.js
5 729 (20.35%) .NET Core
6 636 (17.75%) HTML
7 635 (17.72%) ASP.NET Web API
8 627 (17.50%) ASP.NET
9 624 (17.42%) CSS
10 568 (15.85%) .NET Framework
11 501 (13.98%) REST
12 499 (13.93%) ASP.NET MVC
13 485 (13.54%) RESTful
14 483 (13.48%) Vue.js
15 476 (13.28%) Spring
16 464 (12.95%) Entity Framework
17 310 (8.65%) HTML5
18 286 (7.98%) Kafka
19 275 (7.68%) Web Services
20 213 (5.94%) CSS3
Miscellaneous
1 449 (12.53%) Greenfield Project
2 220 (6.14%) User Experience
3 147 (4.10%) Mobile App
4 133 (3.71%) Analytical Skills
5 129 (3.60%) Enterprise Software
6 126 (3.52%) Data Structures
7 125 (3.49%) Algorithms
8 97 (2.71%) Hedge funds
9 82 (2.29%) Self-Motivation
10 59 (1.65%) Tandem
11 54 (1.51%) Foreign Exchange (FX)
12 52 (1.45%) Cloud Native
13 46 (1.28%) Derivative
14 43 (1.20%) Fixed Income
15 41 (1.14%) Blog
15 41 (1.14%) Equities
16 32 (0.89%) Social Network
17 31 (0.87%) Client/Server
17 31 (0.87%) Public Cloud
18 30 (0.84%) Linux Command Line
Operating Systems
1 302 (8.43%) Linux
2 202 (5.64%) Windows
3 144 (4.02%) Unix
4 140 (3.91%) Android
5 136 (3.80%) Apple iOS
6 89 (2.48%) Mac OS X
7 13 (0.36%) Red Hat Enterprise Linux
7 13 (0.36%) Windows Server 2019
8 8 (0.22%) CentOS
9 6 (0.17%) VMS
10 3 (0.084%) tvOS
10 3 (0.084%) Windows Server
11 2 (0.056%) Debian
12 1 (0.028%) AIX
12 1 (0.028%) Mac OS
12 1 (0.028%) Solaris
12 1 (0.028%) Windows Embedded Compact
12 1 (0.028%) Windows Mobile
12 1 (0.028%) Windows Server 2016
Processes & Methodologies
1 2,705 (75.50%) Agile Software Development
2 1,574 (43.93%) BDD
3 1,377 (38.43%) Microservices
4 1,111 (31.01%) Scrum
5 785 (21.91%) Software Engineering
6 774 (21.60%) Kanban
7 751 (20.96%) Continuous Integration
8 715 (19.96%) MVC
9 699 (19.51%) DevOps
10 594 (16.58%) Test Automation
11 463 (12.92%) Pair Programming
12 448 (12.50%) Fintech
13 417 (11.64%) OO
14 404 (11.28%) Web Application Development
15 324 (9.04%) Front End Development
16 322 (8.99%) Mentoring
17 306 (8.54%) SOLID
18 292 (8.15%) Problem-Solving
19 265 (7.40%) Unit Testing
20 256 (7.14%) Continuous Delivery
Programming Languages
1 1,558 (43.48%) JavaScript
2 1,343 (37.48%) C#
3 1,256 (35.05%) Java
4 675 (18.84%) TypeScript
5 658 (18.36%) SQL
6 496 (13.84%) Python
7 443 (12.36%) Java 8
8 272 (7.59%) Scala
9 219 (6.11%) Kotlin
10 197 (5.50%) PHP
11 176 (4.91%) Ruby
12 117 (3.27%) ES6
13 102 (2.85%) T-SQL
14 86 (2.40%) Apple Swift
15 85 (2.37%) C++
15 85 (2.37%) Go
16 57 (1.59%) PowerShell
17 46 (1.28%) Bash Shell
18 45 (1.26%) Objective-C
19 44 (1.23%) Clojure
Qualifications
1 239 (6.67%) Degree
2 81 (2.26%) Computer Science Degree
3 52 (1.45%) Security Cleared
4 34 (0.95%) SC Cleared
5 17 (0.47%) ISEB
6 14 (0.39%) ISTQB
7 11 (0.31%) DV Cleared
7 11 (0.31%) Master's Degree
8 9 (0.25%) Microsoft Certification
9 6 (0.17%) MCP
10 5 (0.14%) Numerate Degree
11 4 (0.11%) MBA
12 3 (0.084%) ISTQB Advanced Certification
13 1 (0.028%) BPSS Clearance
13 1 (0.028%) DBS Check
13 1 (0.028%) IIBA
13 1 (0.028%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 218 (6.08%) QA
2 7 (0.20%) Data Quality
2 7 (0.20%) GDPR
3 6 (0.17%) PMO
4 4 (0.11%) ISO/IEC 27001
5 2 (0.056%) ISO 15022
5 2 (0.056%) ISO 20022
5 2 (0.056%) PSD2
6 1 (0.028%) Dodd-Frank
6 1 (0.028%) SLA
System Software
1 836 (23.33%) Docker
2 26 (0.73%) Active Directory
3 24 (0.67%) VMware Infrastructure
4 15 (0.42%) Apache ZooKeeper
5 12 (0.33%) vSphere
6 8 (0.22%) Postfix
7 5 (0.14%) LXC
8 3 (0.084%) HDFS
8 3 (0.084%) Microsoft App-V
8 3 (0.084%) Virtual Machines
9 1 (0.028%) Hyper-V
9 1 (0.028%) iptables
9 1 (0.028%) NDS
9 1 (0.028%) NetIQ eDirectory
9 1 (0.028%) vCloud
Systems Management
1 645 (18.00%) Kubernetes
2 176 (4.91%) Terraform
3 157 (4.38%) Ansible
4 61 (1.70%) Puppet
5 40 (1.12%) Opscode Chef
6 26 (0.73%) Mesos
7 24 (0.67%) Marathon
8 20 (0.56%) Istio
9 14 (0.39%) Prometheus
10 13 (0.36%) Grafana
11 9 (0.25%) Kibana
12 8 (0.22%) HP Quality Center
12 8 (0.22%) Rancher
13 5 (0.14%) Salt
14 3 (0.084%) Consul
14 3 (0.084%) MIIS
14 3 (0.084%) Single Sign-On
15 2 (0.056%) CA Service Virtualization
15 2 (0.056%) Nagios
15 2 (0.056%) ZABBIX
Vendors
1 376 (10.49%) Microsoft
2 122 (3.40%) Oracle
3 105 (2.93%) Google
4 57 (1.59%) Zend
5 46 (1.28%) Salesforce.com
6 39 (1.09%) Tableau
7 33 (0.92%) Sitecore
8 29 (0.81%) TIBCO
9 28 (0.78%) Adobe
10 27 (0.75%) SAP
11 26 (0.73%) Alterian
11 26 (0.73%) Atlassian
12 24 (0.67%) VMware
13 19 (0.53%) FIS
13 19 (0.53%) WorldPay
14 17 (0.47%) Red Hat
15 16 (0.45%) Facebook
15 16 (0.45%) Foundry
16 14 (0.39%) IBM
16 14 (0.39%) Sony