Period
to 15 July 2018

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 15 July 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Central London > City of London
6 months to
15 Jul 2018
Same period 2017 Same period 2016
Rank 22 19 17
Rank change year-on-year -3 -2 +9
Permanent jobs citing TDD 1,037 974 1,448
As % of all permanent IT jobs advertised in the City of London 9.19% 9.36% 10.66%
As % of the Processes & Methodologies category 9.97% 10.34% 11.66%
Number of salaries quoted 934 868 1,345
City of London median annual salary £70,000 £62,500 £60,000
Median salary % change year-on-year +12.00% +4.17% +4.35%
10th Percentile £42,500 £41,250 £42,500
90th Percentile £92,500 £85,000 £83,750
Central London median annual salary £67,500 £62,500 £60,000
% change year-on-year +8.00% +4.17% +4.35%

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 10,404 9,420 12,419
As % of all permanent IT jobs advertised in the City of London 92.23% 90.55% 91.43%
Number of salaries quoted 9,254 8,468 11,227
City of London median annual salary £62,500 £60,000 £57,500
Median salary % change year-on-year +4.17% +4.35% +4.55%
10th Percentile £37,000 £35,000 £35,000
90th Percentile £93,750 £92,500 £87,500
Central London median annual salary £62,500 £60,000 £57,500
% change year-on-year +4.17% +4.35% +4.55%

TDD
Job Vacancy Trend in the City of London

Job postings citing TDD as a percentage 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

This chart provides the 3-month moving average for salaries quoted in permanent IT 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

The salary distribution of IT jobs citing TDD in the City of London over the 6 months to 15 July 2018.

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 15 July 2018. 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
London Bridge -13 1 £51,500 -17.60%
TDD
Central London

For the 6 months to 15 July 2018, 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.

1 730 (70.40%) Agile Software Development
2 466 (44.94%) Java
3 373 (35.97%) BDD
4 369 (35.58%) Finance
5 363 (35.00%) JavaScript
6 308 (29.70%) C#
7 303 (29.22%) .NET
8 300 (28.93%) SQL
9 240 (23.14%) CSS
9 240 (23.14%) AngularJS
10 231 (22.28%) Continuous Integration
11 225 (21.70%) SQL Server
12 224 (21.60%) HTML
13 223 (21.50%) Microservices
14 213 (20.54%) Scrum
15 203 (19.58%) MVC
16 197 (19.00%) Git (software)
17 192 (18.51%) Software Engineering
18 186 (17.94%) Fintech
19 185 (17.84%) Spring
20 181 (17.45%) Amazon AWS
21 174 (16.78%) Java 8
22 167 (16.10%) DevOps
23 163 (15.72%) Microsoft Azure
24 159 (15.33%) React
25 155 (14.95%) RESTful
26 154 (14.85%) REST
27 147 (14.18%) Docker
28 140 (13.50%) Web Services
29 137 (13.21%) Greenfield Project

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 50 (4.82%) Elasticsearch
2 45 (4.34%) CMS
3 39 (3.76%) Apache Spark
4 38 (3.66%) Apache
5 25 (2.41%) Tomcat
6 19 (1.83%) Confluence
7 18 (1.74%) WordPress
8 14 (1.35%) JBoss
9 11 (1.06%) nginx
9 11 (1.06%) NServiceBus
10 10 (0.96%) WebLogic
11 9 (0.87%) EPiServer
12 8 (0.77%) Anypoint
12 8 (0.77%) Mule
12 8 (0.77%) WildFly
13 7 (0.68%) IIS
14 6 (0.58%) Umbraco
15 5 (0.48%) SharePoint
16 4 (0.39%) Ethereum
16 4 (0.39%) Oracle Coherence
Applications
1 11 (1.06%) Microsoft Excel
2 2 (0.19%) Adobe Premiere
3 1 (0.096%) Chatbot
3 1 (0.096%) MS Visio
Business Applications
1 6 (0.58%) Dynamics CRM
2 4 (0.39%) Distributed Ledger
3 3 (0.29%) FastStats
4 2 (0.19%) RMDS
4 2 (0.19%) Temenos T24
5 1 (0.096%) Endur
5 1 (0.096%) ION MarketView
5 1 (0.096%) JDE OneWorld
Cloud Services
1 181 (17.45%) Amazon AWS
2 163 (15.72%) Microsoft Azure
3 31 (2.99%) Serverless
4 30 (2.89%) Cloud Computing
5 27 (2.60%) IaaS
6 22 (2.12%) Azure Active Directory
6 22 (2.12%) PaaS
7 21 (2.03%) GitHub
8 18 (1.74%) Amazon EC2
9 17 (1.64%) Google Cloud Platform
10 16 (1.54%) AWS Lambda
11 15 (1.45%) npm
12 13 (1.25%) SaaS
13 10 (0.96%) Amazon S3
14 9 (0.87%) Amazon CloudWatch
14 9 (0.87%) AWS CloudFormation
15 6 (0.58%) Yarn
16 5 (0.48%) Slack
16 5 (0.48%) Trello
17 3 (0.29%) AWS OpsWorks
Communications & Networking
1 15 (1.45%) Internet
2 12 (1.16%) HTTP
3 6 (0.58%) SSH
4 5 (0.48%) DMZ
4 5 (0.48%) VPN
5 4 (0.39%) SMTP
6 3 (0.29%) FIX Connectivity
6 3 (0.29%) Intranet
7 2 (0.19%) SSL
8 1 (0.096%) AMQP
8 1 (0.096%) Asterisk PBX
8 1 (0.096%) Ethernet
8 1 (0.096%) Firewall
8 1 (0.096%) MQTT
8 1 (0.096%) TCP/IP
8 1 (0.096%) Wireshark
Database & Business Intelligence
1 225 (21.70%) SQL Server
2 100 (9.64%) NoSQL
3 80 (7.71%) MySQL
4 61 (5.88%) PostgreSQL
5 53 (5.11%) Relational Database
6 51 (4.92%) MongoDB
7 43 (4.15%) Big Data
8 34 (3.28%) SQL Server Integration Services
9 33 (3.18%) SQL Server Reporting Services
10 26 (2.51%) Redis
10 26 (2.51%) SQL Server 2016
11 24 (2.31%) Azure SQL Database
11 24 (2.31%) SQL Server 2012
12 23 (2.22%) Hadoop
13 21 (2.03%) Data Lake
14 18 (1.74%) Blockchain
15 15 (1.45%) Apache Cassandra
15 15 (1.45%) RDBMS
16 12 (1.16%) DB2
16 12 (1.16%) SQL Server 2014
Development Applications
1 197 (19.00%) Git (software)
2 111 (10.70%) Jenkins
3 94 (9.06%) Selenium
4 86 (8.29%) Maven
5 73 (7.04%) JIRA
6 60 (5.79%) Team Foundation Server
6 60 (5.79%) TeamCity
6 60 (5.79%) Visual Studio
7 55 (5.30%) Subversion
8 54 (5.21%) JUnit
9 52 (5.01%) NUnit
10 42 (4.05%) Cucumber
10 42 (4.05%) Octopus Deploy
11 40 (3.86%) Jasmine
12 38 (3.66%) Gradle
13 29 (2.80%) SpecFlow
14 28 (2.70%) webpack
15 25 (2.41%) Moq
15 25 (2.41%) TestNG
16 22 (2.12%) WebDriver
General
1 369 (35.58%) Finance
2 103 (9.93%) Banking
3 63 (6.08%) Advertising
4 47 (4.53%) Games
5 45 (4.34%) Investment Banking
6 42 (4.05%) Publishing
7 36 (3.47%) Retail
8 30 (2.89%) Law
9 28 (2.70%) Financial Institution
10 19 (1.83%) Back Office
11 16 (1.54%) Front Office
12 14 (1.35%) Pharmaceutical
13 11 (1.06%) Legal
14 10 (0.96%) Automotive
15 8 (0.77%) Marketing
16 7 (0.68%) Telecoms
17 2 (0.19%) Aerospace
18 1 (0.096%) Manufacturing
18 1 (0.096%) Multimedia
18 1 (0.096%) Retail Banking
Job Titles
1 763 (73.58%) Developer
2 300 (28.93%) Java Developer
3 178 (17.16%) Senior Developer
4 144 (13.89%) C# Developer
5 142 (13.69%) .NET Developer
6 73 (7.04%) Software Engineer
7 70 (6.75%) Lead Developer
8 69 (6.65%) C# .NET Developer
8 69 (6.65%) Senior Java Developer
9 61 (5.88%) Java Engineer
10 55 (5.30%) Full Stack Developer
11 52 (5.01%) Front End Developer (Client-Side Developer)
12 43 (4.15%) Senior .NET Developer
12 43 (4.15%) Senior C# Developer
13 38 (3.66%) Java Developer - Fintech
14 37 (3.57%) JavaScript Developer
15 34 (3.28%) Angular Developer
15 34 (3.28%) Architect
16 32 (3.09%) Agile Developer
17 31 (2.99%) Lead Java Developer
Libraries, Frameworks & Software Standards
1 303 (29.22%) .NET
2 240 (23.14%) AngularJS
2 240 (23.14%) CSS
3 224 (21.60%) HTML
4 185 (17.84%) Spring
5 159 (15.33%) React
6 155 (14.95%) RESTful
7 154 (14.85%) REST
8 140 (13.50%) Web Services
9 123 (11.86%) ASP.NET
10 115 (11.09%) ASP.NET Web API
11 113 (10.90%) Hibernate
12 111 (10.70%) HTML5
13 103 (9.93%) jQuery
14 102 (9.84%) Node.js
15 81 (7.81%) CSS3
16 79 (7.62%) ASP.NET MVC
17 75 (7.23%) WCF
18 63 (6.08%) .NET Framework
19 60 (5.79%) WPF
Miscellaneous
1 186 (17.94%) Fintech
2 137 (13.21%) Greenfield Project
3 93 (8.97%) User Experience
4 75 (7.23%) Computer Science
5 66 (6.36%) Mobile App
6 39 (3.76%) Hedge funds
7 37 (3.57%) Analytical Skills
7 37 (3.57%) Self-Motivation
8 33 (3.18%) Algorithms
9 29 (2.80%) Data Structures
9 29 (2.80%) Foreign Exchange (FX)
10 22 (2.12%) Linux Command Line
11 15 (1.45%) Enterprise Software
12 12 (1.16%) Management Information System
12 12 (1.16%) Social Media
13 11 (1.06%) Fixed Income
14 10 (0.96%) Market Risk
14 10 (0.96%) Online Games
15 9 (0.87%) Reinsurance
15 9 (0.87%) Virtual Team
Operating Systems
1 120 (11.57%) Linux
2 44 (4.24%) Windows
3 33 (3.18%) Unix
4 29 (2.80%) Android
5 17 (1.64%) Apple iOS
5 17 (1.64%) VMS
6 15 (1.45%) openSUSE
6 15 (1.45%) Ubuntu
7 1 (0.096%) Mac OS X
Processes & Methodologies
1 730 (70.40%) Agile Software Development
2 373 (35.97%) BDD
3 231 (22.28%) Continuous Integration
4 223 (21.50%) Microservices
5 213 (20.54%) Scrum
6 203 (19.58%) MVC
7 192 (18.51%) Software Engineering
8 167 (16.10%) DevOps
9 135 (13.02%) Web Development
10 134 (12.92%) Test Automation
11 125 (12.05%) Multithreading
12 119 (11.48%) OO
13 105 (10.13%) Mentoring
14 97 (9.35%) Unit Testing
15 96 (9.26%) Pair Programming
16 92 (8.87%) Problem-Solving
17 88 (8.49%) Continuous Delivery
18 81 (7.81%) SDLC
19 80 (7.71%) Front End Development
20 76 (7.33%) SOA
Programming Languages
1 466 (44.94%) Java
2 363 (35.00%) JavaScript
3 308 (29.70%) C#
4 300 (28.93%) SQL
5 174 (16.78%) Java 8
6 97 (9.35%) Python
7 95 (9.16%) Scala
8 92 (8.87%) PHP
9 50 (4.82%) T-SQL
10 45 (4.34%) TypeScript
11 44 (4.24%) Groovy
11 44 (4.24%) Ruby
12 33 (3.18%) C++
13 29 (2.80%) ES6
14 23 (2.22%) Kotlin
14 23 (2.22%) PowerShell
15 22 (2.12%) Perl
16 19 (1.83%) Go
16 19 (1.83%) VBA
17 16 (1.54%) Bash Shell
Qualifications
1 133 (12.83%) Degree
2 37 (3.57%) Computer Science Degree
3 9 (0.87%) Security Cleared
4 8 (0.77%) ISTQB
5 7 (0.68%) Master's Degree
6 6 (0.58%) SC Cleared
7 5 (0.48%) Numerate Degree
8 3 (0.29%) ISEB
8 3 (0.29%) PhD
9 2 (0.19%) ISTQB Foundation Certification
10 1 (0.096%) AWS Certification
10 1 (0.096%) CBAP
Quality Assurance & Compliance
1 96 (9.26%) QA
2 7 (0.68%) WCAG
3 3 (0.29%) GCP
4 1 (0.096%) Data Quality
System Software
1 147 (14.18%) Docker
2 22 (2.12%) Active Directory
3 7 (0.68%) Virtual Machines
4 2 (0.19%) Apache Flume
4 2 (0.19%) HDFS
4 2 (0.19%) VMware Infrastructure
5 1 (0.096%) Apache ZooKeeper
5 1 (0.096%) Hyper-V
5 1 (0.096%) Virtual Servers
Systems Management
1 40 (3.86%) Puppet
2 38 (3.66%) Opscode Chef
3 32 (3.09%) Terraform
4 29 (2.80%) Ansible
5 23 (2.22%) Kubernetes
6 16 (1.54%) Salt
7 5 (0.48%) Consul
7 5 (0.48%) Mesos
8 4 (0.39%) logstash
9 3 (0.29%) Kibana
10 2 (0.19%) Apache Shiro
10 2 (0.19%) Cobbler
10 2 (0.19%) HP ALM
10 2 (0.19%) Nagios
10 2 (0.19%) Prometheus
10 2 (0.19%) Rancher
10 2 (0.19%) Tivoli
10 2 (0.19%) ZABBIX
11 1 (0.096%) Docker Swarm
11 1 (0.096%) Grafana
Vendors
1 122 (11.76%) Microsoft
2 81 (7.81%) Oracle
3 22 (2.12%) Google
4 17 (1.64%) IBM
5 14 (1.35%) New Relic
6 13 (1.25%) Splunk
7 10 (0.96%) Atlassian
7 10 (0.96%) Capita
8 9 (0.87%) Tableau
9 8 (0.77%) MuleSoft
10 7 (0.68%) hybris
11 6 (0.58%) LexisNexis
11 6 (0.58%) VMware
12 4 (0.39%) SaltStack
12 4 (0.39%) Twitter
13 3 (0.29%) Facebook
13 3 (0.29%) Hortonworks
13 3 (0.29%) TOWER Software
13 3 (0.29%) Zend
14 2 (0.19%) TIBCO