Period
to 22 January 2022

The following table provides summary statistics for permanent job vacancies advertised in the City of 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 22 January 2022 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Central London > City of London
6 months to
22 Jan 2022
Same period 2021 Same period 2020
Rank 63 24 25
Rank change year-on-year -39 +1 -3
Permanent jobs citing TDD 285 433 792
As % of all permanent jobs advertised in the City of London 4.59% 10.05% 8.61%
As % of the Processes & Methodologies category 4.90% 10.56% 9.14%
Number of salaries quoted 254 385 755
10th Percentile £52,500 £51,750 £47,500
25th Percentile £63,750 £57,500 £56,250
Median annual salary (50th Percentile) £77,500 £70,000 £70,000
Median % change year-on-year +10.71% - -
75th Percentile £93,750 £83,750 £82,500
90th Percentile £100,875 £97,500 £95,000
Central London median annual salary £77,500 £70,000 £70,000
% change year-on-year +10.71% - -

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 the City of London with a requirement for process or methodology skills.

All Process and Methodology Skills
City of London
Permanent vacancies with a requirement for process or methodology skills 5,811 4,102 8,668
As % of all permanent IT jobs advertised in the City of London 93.68% 95.22% 94.24%
Number of salaries quoted 5,138 3,613 7,568
10th Percentile £44,175 £45,000 £38,500
25th Percentile £56,250 £55,000 £51,250
Median annual salary (50th Percentile) £72,500 £70,000 £67,500
Median % change year-on-year +3.57% +3.70% +3.85%
75th Percentile £92,500 £87,500 £82,500
90th Percentile £110,000 £105,000 £98,750
Central London median annual salary £72,500 £70,000 £67,000
% change year-on-year +3.57% +4.48% +3.08%

TDD
Job Vacancy Trend in the City of London

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

Job vacancy trend for TDD in the City of London

TDD
Salary Trend in the City of London

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

Salary trend for TDD in the City of London

TDD
Salary Histogram in the City of London

Salary distribution for jobs citing TDD in the City of London over the 6 months to 22 January 2022.

Salary histogram for TDD in the City of London

TDD
Job Locations in the City of London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the City of London region over the 6 months to 22 January 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
London Bridge - 5 £90,000 -
TDD
Central London

For the 6 months to 22 January 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 City of London region with a requirement for TDD.

1 209 (73.33%) Agile Software Development
2 145 (50.88%) Java
3 129 (45.26%) CI/CD
4 104 (36.49%) DevOps
5 99 (34.74%) AWS
6 95 (33.33%) Software Engineering
7 89 (31.23%) Microservices
8 87 (30.53%) JavaScript
8 87 (30.53%) SQL
9 86 (30.18%) Finance
9 86 (30.18%) Git (software)
10 83 (29.12%) C#
11 82 (28.77%) Web Services
12 80 (28.07%) AngularJS
13 78 (27.37%) Azure
14 74 (25.96%) BDD
15 73 (25.61%) .NET
16 72 (25.26%) CSS
17 71 (24.91%) Docker
18 69 (24.21%) HTML
19 57 (20.00%) Continuous Integration
20 54 (18.95%) Full Stack Development
21 50 (17.54%) Scrum
22 49 (17.19%) Mentoring
23 47 (16.49%) Social Skills
24 46 (16.14%) MVC
25 45 (15.79%) SQL Server
25 45 (15.79%) HTML5
26 44 (15.44%) Test Automation
27 43 (15.09%) Analytics

TDD
Co-occurring IT Skills in the City of 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 19 (6.67%) Apache Spark
2 14 (4.91%) Jetty
3 2 (0.70%) Cloud Foundry
3 2 (0.70%) Confluence
3 2 (0.70%) Elasticsearch
4 1 (0.35%) Apache Solr
4 1 (0.35%) CMS
4 1 (0.35%) Drupal
4 1 (0.35%) Ethereum
4 1 (0.35%) MS Exchange
4 1 (0.35%) OpenStack
4 1 (0.35%) SharePoint
Applications
1 7 (2.46%) Microsoft Excel
2 2 (0.70%) Microsoft Office
Cloud Services
1 99 (34.74%) AWS
2 78 (27.37%) Azure
3 18 (6.32%) AWS CloudFormation
3 18 (6.32%) npm
4 17 (5.96%) GitHub
5 15 (5.26%) SaaS
6 14 (4.91%) GCP
7 12 (4.21%) Serverless
8 8 (2.81%) AWS Lambda
9 4 (1.40%) Trello
10 2 (0.70%) Amazon EC2
10 2 (0.70%) Amazon ECS
10 2 (0.70%) Amazon S3
10 2 (0.70%) Azure Service Fabric
10 2 (0.70%) BlazeMeter
10 2 (0.70%) BrowserStack
10 2 (0.70%) Heroku
11 1 (0.35%) AWS Fargate
11 1 (0.35%) Azure Logic Apps
11 1 (0.35%) Azure Monitor
Communications & Networking
1 2 (0.70%) HTTP
1 2 (0.70%) VoIP
2 1 (0.35%) AMQP
2 1 (0.35%) DNS
Database & Business Intelligence
1 45 (15.79%) SQL Server
2 20 (7.02%) Big Data
3 17 (5.96%) NoSQL
4 15 (5.26%) Hadoop
5 9 (3.16%) MySQL
5 9 (3.16%) Relational Database
6 8 (2.81%) Amazon DynamoDB
6 8 (2.81%) MongoDB
6 8 (2.81%) SQL Server 2016
7 7 (2.46%) SQL Server 2012
7 7 (2.46%) SQL Server 2014
8 6 (2.11%) Apache Cassandra
9 4 (1.40%) PostgreSQL
10 3 (1.05%) Amazon RDS
11 2 (0.70%) Blockchain
11 2 (0.70%) RavenDB
11 2 (0.70%) Redis
12 1 (0.35%) Amazon Athena
12 1 (0.35%) Delta Lake
12 1 (0.35%) Geospatial Data
Development Applications
1 86 (30.18%) Git (software)
2 40 (14.04%) Jenkins
3 32 (11.23%) Cucumber
4 30 (10.53%) Selenium
5 20 (7.02%) Maven
6 19 (6.67%) JUnit
6 19 (6.67%) webpack
7 18 (6.32%) Bower
7 18 (6.32%) Grunt
7 18 (6.32%) JIRA
8 17 (5.96%) Gradle
9 16 (5.61%) NUnit
10 14 (4.91%) Ant
10 14 (4.91%) Apache Ivy
10 14 (4.91%) Bitbucket
10 14 (4.91%) Concordion
10 14 (4.91%) Mockito
11 12 (4.21%) Visual Studio Team System
12 11 (3.86%) Octopus Deploy
12 11 (3.86%) WebDriver
General
1 86 (30.18%) Finance
2 47 (16.49%) Social Skills
3 21 (7.37%) Banking
4 20 (7.02%) Publishing
5 15 (5.26%) Analytical Skills
5 15 (5.26%) Front Office
6 7 (2.46%) Financial Institution
7 5 (1.75%) Law
8 4 (1.40%) Retail
9 2 (0.70%) Games
9 2 (0.70%) Legal
10 1 (0.35%) Advertising
10 1 (0.35%) Automotive
10 1 (0.35%) Investment Banking
10 1 (0.35%) Marketing
10 1 (0.35%) Organisational Skills
10 1 (0.35%) Presentation Skills
10 1 (0.35%) Public Sector
10 1 (0.35%) Telecoms
Job Titles
1 151 (52.98%) Developer
2 51 (17.89%) Senior Developer
3 47 (16.49%) Java Developer
4 38 (13.33%) Lead Developer
5 21 (7.37%) Full Stack Developer
6 20 (7.02%) Analyst
7 19 (6.67%) .NET Developer
7 19 (6.67%) C# Developer
8 18 (6.32%) PHP Developer
8 18 (6.32%) Software Developer
9 16 (5.61%) Java Engineer
9 16 (5.61%) Lead PHP Developer
9 16 (5.61%) Senior Analyst
9 16 (5.61%) Software Engineer
10 15 (5.26%) Automation Test Analyst
10 15 (5.26%) Senior Automation Test Analyst
10 15 (5.26%) Senior Java Developer
10 15 (5.26%) Senior Java Engineer
10 15 (5.26%) Senior Test Analyst
10 15 (5.26%) Test Analyst
Libraries, Frameworks & Software Standards
1 82 (28.77%) Web Services
2 80 (28.07%) AngularJS
3 73 (25.61%) .NET
4 72 (25.26%) CSS
5 69 (24.21%) HTML
6 45 (15.79%) HTML5
7 41 (14.39%) React
8 40 (14.04%) REST
9 39 (13.68%) .NET Framework
10 38 (13.33%) Spring
11 36 (12.63%) .NET Core
12 35 (12.28%) Spring Boot
13 34 (11.93%) Kafka
14 32 (11.23%) RESTful
15 31 (10.88%) Vue.js
16 30 (10.53%) CSS3
17 26 (9.12%) ASP.NET
17 26 (9.12%) JAX-RS
17 26 (9.12%) JSON
18 25 (8.77%) Node.js
Miscellaneous
1 17 (5.96%) Greenfield Project
2 15 (5.26%) Enterprise Software
3 11 (3.86%) User Experience
4 9 (3.16%) Self-Motivation
5 8 (2.81%) Cloud Native
5 8 (2.81%) Reinsurance
6 7 (2.46%) Foreign Exchange (FX)
6 7 (2.46%) Reference Data
7 5 (1.75%) Virtual Team
8 4 (1.40%) Data Structures
8 4 (1.40%) Derivative
8 4 (1.40%) Video\Live Streaming
9 3 (1.05%) Social Media
10 2 (0.70%) Mobile App
11 1 (0.35%) Algorithms
11 1 (0.35%) Augmented Reality
11 1 (0.35%) Hedge funds
11 1 (0.35%) Over-the-Top Content
11 1 (0.35%) SWIFT
11 1 (0.35%) Video on Demand
Operating Systems
1 11 (3.86%) Linux
2 9 (3.16%) Unix
Processes & Methodologies
1 209 (73.33%) Agile Software Development
2 129 (45.26%) CI/CD
3 104 (36.49%) DevOps
4 95 (33.33%) Software Engineering
5 89 (31.23%) Microservices
6 74 (25.96%) BDD
7 57 (20.00%) Continuous Integration
8 54 (18.95%) Full Stack Development
9 50 (17.54%) Scrum
10 49 (17.19%) Mentoring
11 46 (16.14%) MVC
12 44 (15.44%) Test Automation
13 43 (15.09%) Analytics
14 40 (14.04%) SDLC
15 33 (11.58%) OO
16 31 (10.88%) Multithreading
16 31 (10.88%) Software Architecture
16 31 (10.88%) SOLID
17 28 (9.82%) Continuous Delivery
18 27 (9.47%) Continuous Deployment
Programming Languages
1 145 (50.88%) Java
2 87 (30.53%) JavaScript
2 87 (30.53%) SQL
3 83 (29.12%) C#
4 32 (11.23%) Kotlin
4 32 (11.23%) Python
4 32 (11.23%) TypeScript
5 26 (9.12%) Java 8
6 25 (8.77%) Scala
7 23 (8.07%) T-SQL
8 19 (6.67%) PHP
9 11 (3.86%) ES6
9 11 (3.86%) Go
10 8 (2.81%) C
10 8 (2.81%) C++
11 7 (2.46%) VBA
12 6 (2.11%) Clojure
13 5 (1.75%) Ruby
14 1 (0.35%) Groovy
14 1 (0.35%) Haskell
Qualifications
1 39 (13.68%) Degree
2 18 (6.32%) Computer Science Degree
3 6 (2.11%) Master's Degree
4 1 (0.35%) ISEB
4 1 (0.35%) ISTQB
4 1 (0.35%) PMI Certification
Quality Assurance & Compliance
1 37 (12.98%) QA
2 1 (0.35%) Accessibility
2 1 (0.35%) ISO/IEC 27001
2 1 (0.35%) SEPA
System Software
1 71 (24.91%) Docker
2 3 (1.05%) Apache ZooKeeper
3 1 (0.35%) Active Directory
Systems Management
1 36 (12.63%) Kubernetes
2 2 (0.70%) Terraform
3 1 (0.35%) MIIS
Vendors
1 33 (11.58%) Microsoft
2 10 (3.51%) Oracle
3 9 (3.16%) Cloudera
4 4 (1.40%) Sybase
4 4 (1.40%) Xamarin
5 2 (0.70%) Perfecto Mobile
6 1 (0.35%) Databricks
6 1 (0.35%) Google
6 1 (0.35%) HP
6 1 (0.35%) Informatica
6 1 (0.35%) Salesforce.com
6 1 (0.35%) ServiceNow
6 1 (0.35%) Splunk
6 1 (0.35%) TIBCO
6 1 (0.35%) Veracode