Period
to 19 August 2018

The following table provides summary statistics for permanent job vacancies advertised in Cambridge 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 19 August 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Cambridgeshire > Cambridge
6 months to
19 Aug 2018
Same period 2017 Same period 2016
Rank 43 40 46
Rank change year-on-year -3 +6 -5
Permanent jobs citing TDD 165 201 137
As % of all permanent IT jobs advertised in Cambridge 6.44% 7.43% 5.61%
As % of the Processes & Methodologies category 6.81% 8.10% 6.19%
Number of salaries quoted 107 160 105
Cambridge median annual salary £45,000 £51,250 £43,000
Median salary % change year-on-year -12.20% +19.19% +1.18%
10th Percentile £36,250 £34,875 £31,000
90th Percentile £58,000 £68,750 £61,450
Cambridgeshire median annual salary £45,000 £50,000 £45,000
% change year-on-year -10.00% +11.11% -3.23%

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 Cambridge with a requirement for process or methodology skills.

All Process and Methodology Skills
Cambridge
Permanent vacancies with a requirement for process or methodology skills 2,423 2,483 2,214
As % of all permanent IT jobs advertised in Cambridge 94.61% 91.76% 90.59%
Number of salaries quoted 1,633 1,888 1,800
Cambridge median annual salary £47,500 £45,000 £45,000
Median salary % change year-on-year +5.56% - +1.12%
10th Percentile £27,500 £27,500 £26,750
90th Percentile £70,000 £71,250 £67,500
Cambridgeshire median annual salary £45,070 £45,000 £45,000
% change year-on-year +0.15% - +1.12%

TDD
Job Vacancy Trend in Cambridge

Job postings citing TDD as a percentage of all IT jobs advertised in Cambridge.

Job vacancy trend for TDD in Cambridge

TDD
Salary Trend in Cambridge

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing TDD in Cambridge.

Salary trend for TDD in Cambridge

TDD
Salary Histogram in Cambridge

The salary distribution of IT jobs citing TDD in Cambridge over the 6 months to 19 August 2018.

Salary histogram for TDD in Cambridge

For the 6 months to 19 August 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 Cambridge region with a requirement for TDD.

1 139 (84.24%) Agile Software Development
2 79 (47.88%) Java
2 79 (47.88%) Continuous Integration
3 63 (38.18%) Kanban
4 58 (35.15%) .NET
5 56 (33.94%) Software Engineering
6 55 (33.33%) Scrum
6 55 (33.33%) C#
7 51 (30.91%) WorldPay
8 49 (29.70%) RESTful
9 48 (29.09%) Test Automation
9 48 (29.09%) Ruby
10 47 (28.48%) Python
11 46 (27.88%) SQL
12 40 (24.24%) Linux
12 40 (24.24%) Git (software)
13 38 (23.03%) JavaScript
14 37 (22.42%) SQL Server
14 37 (22.42%) Web Services
14 37 (22.42%) Amazon AWS
14 37 (22.42%) AngularJS
15 36 (21.82%) TeamCity
15 36 (21.82%) E-Commerce
16 34 (20.61%) OO
16 34 (20.61%) Continuous Delivery
17 33 (20.00%) WPF
17 33 (20.00%) Jenkins
17 33 (20.00%) GitHub
18 32 (19.39%) BDD
18 32 (19.39%) Spring

TDD
Co-occurring IT Skills in Cambridge 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 18 (10.91%) Elasticsearch
2 8 (4.85%) Apache
3 7 (4.24%) Apache Spark
4 4 (2.42%) OpenStack
5 1 (0.61%) CMS
5 1 (0.61%) JBoss
5 1 (0.61%) nginx
5 1 (0.61%) Sitecore CMS
5 1 (0.61%) Umbraco
5 1 (0.61%) WebLogic
Applications
1 1 (0.61%) Simulink
Business Applications
1 26 (15.76%) Payment Gateway
Cloud Services
1 37 (22.42%) Amazon AWS
2 33 (20.00%) GitHub
3 31 (18.79%) Microsoft Azure
4 25 (15.15%) OpenShift
5 7 (4.24%) Google Cloud Platform
6 2 (1.21%) NuGet
7 1 (0.61%) npm
7 1 (0.61%) SaaS
Communications & Networking
1 8 (4.85%) Wireless
2 6 (3.64%) Internet
2 6 (3.64%) SMS
3 2 (1.21%) HTTP
3 2 (1.21%) TCP/IP
Database & Business Intelligence
1 37 (22.42%) SQL Server
2 32 (19.39%) SQL Server 2016
3 30 (18.18%) NoSQL
4 25 (15.15%) Apache Cassandra
5 22 (13.33%) Relational Database
6 18 (10.91%) MongoDB
7 9 (5.45%) Amazon RDS
8 6 (3.64%) MySQL
9 3 (1.82%) PostgreSQL
10 2 (1.21%) Redis
10 2 (1.21%) SQL Server 2000
10 2 (1.21%) SQL Server 2012
11 1 (0.61%) Big Data
11 1 (0.61%) Neo4j
Development Applications
1 40 (24.24%) Git (software)
2 36 (21.82%) TeamCity
3 33 (20.00%) Jenkins
4 29 (17.58%) JIRA
5 28 (16.97%) Cucumber
6 17 (10.30%) Sonatype Nexus
7 14 (8.48%) Visual Studio
8 12 (7.27%) NCrunch
8 12 (7.27%) ReSharper
8 12 (7.27%) Selenium
9 9 (5.45%) Atlassian Bamboo
10 4 (2.42%) Vagrant
11 3 (1.82%) Subversion
12 2 (1.21%) Appium
12 2 (1.21%) Maven
12 2 (1.21%) Mercurial
12 2 (1.21%) NUnit
12 2 (1.21%) SpecFlow
12 2 (1.21%) Visual Studio Team System
12 2 (1.21%) xUnit.net
General
1 23 (13.94%) Games
2 18 (10.91%) Finance
3 14 (8.48%) Marketing
4 13 (7.88%) Retail
5 4 (2.42%) Banking
5 4 (2.42%) Law
6 3 (1.82%) Electronics
7 2 (1.21%) Investment Banking
8 1 (0.61%) Advertising
Job Titles
1 95 (57.58%) Developer
2 40 (24.24%) Java Developer
3 36 (21.82%) .NET Developer
4 33 (20.00%) Software Engineer
5 29 (17.58%) Senior Developer
6 25 (15.15%) Java Scala Developer
6 25 (15.15%) Scala Developer
7 22 (13.33%) Senior Java Developer
8 20 (12.12%) Java Engineer
8 20 (12.12%) Software Developer
9 17 (10.30%) Messaging Developer
9 17 (10.30%) Senior Java Scala Developer
9 17 (10.30%) Senior Scala Developer
10 16 (9.70%) C# Developer
11 15 (9.09%) C# .NET Developer
12 13 (7.88%) Test Engineer
13 12 (7.27%) Java Software Engineer
14 11 (6.67%) C# Software Engineer
15 9 (5.45%) AWS Developer
15 9 (5.45%) Java Software Developer
Libraries, Frameworks & Software Standards
1 58 (35.15%) .NET
2 49 (29.70%) RESTful
3 37 (22.42%) AngularJS
3 37 (22.42%) Web Services
4 33 (20.00%) WPF
5 32 (19.39%) Spring
6 25 (15.15%) Akka
7 24 (14.55%) ASP.NET
8 21 (12.73%) ASP.NET Web API
8 21 (12.73%) Node.js
8 21 (12.73%) RabbitMQ
9 18 (10.91%) ASP.NET MVC
9 18 (10.91%) ASP.NET MVC 5
9 18 (10.91%) KnockoutJS
9 18 (10.91%) Twitter Bootstrap
10 17 (10.30%) .NET Framework
10 17 (10.30%) MSMQ
11 14 (8.48%) WinForms
12 11 (6.67%) Gherkin
12 11 (6.67%) Spring Boot
Miscellaneous
1 26 (15.76%) Computer Science
2 18 (10.91%) Fintech
3 17 (10.30%) User Experience
4 16 (9.70%) Distributed Denial-of-Service
4 16 (9.70%) Online Games
4 16 (9.70%) Private Cloud
5 9 (5.45%) Hybrid Cloud
5 9 (5.45%) Public Cloud
6 7 (4.24%) Analytical Skills
7 5 (3.03%) Internet of Things
7 5 (3.03%) Self-Motivation
8 4 (2.42%) LIMS
9 3 (1.82%) Algorithms
9 3 (1.82%) Data Structures
10 2 (1.21%) Driving Licence
10 2 (1.21%) Enterprise Software
10 2 (1.21%) Greenfield Project
10 2 (1.21%) Mobile App
11 1 (0.61%) N-Tier
11 1 (0.61%) Raspberry Pi
Operating Systems
1 40 (24.24%) Linux
2 19 (11.52%) Android
3 17 (10.30%) Apple iOS
3 17 (10.30%) Windows
4 7 (4.24%) Unix
5 2 (1.21%) CentOS
5 2 (1.21%) Debian
5 2 (1.21%) Ubuntu
Processes & Methodologies
1 139 (84.24%) Agile Software Development
2 79 (47.88%) Continuous Integration
3 63 (38.18%) Kanban
4 56 (33.94%) Software Engineering
5 55 (33.33%) Scrum
6 48 (29.09%) Test Automation
7 36 (21.82%) E-Commerce
8 34 (20.61%) Continuous Delivery
8 34 (20.61%) OO
9 32 (19.39%) BDD
10 31 (18.79%) Dependency Injection
10 31 (18.79%) Software Architecture
11 30 (18.18%) Microservices
12 29 (17.58%) DevOps
12 29 (17.58%) MVC
13 25 (15.15%) Integration Testing
14 20 (12.12%) Web Application Development
15 18 (10.91%) Multithreading
16 17 (10.30%) Open Source
17 16 (9.70%) ERD
Programming Languages
1 79 (47.88%) Java
2 55 (33.33%) C#
3 48 (29.09%) Ruby
4 47 (28.48%) Python
5 46 (27.88%) SQL
6 38 (23.03%) JavaScript
7 25 (15.15%) Scala
8 18 (10.91%) F#
9 11 (6.67%) C
10 7 (4.24%) C++
11 5 (3.03%) Java 8
11 5 (3.03%) Perl
12 3 (1.82%) PHP
12 3 (1.82%) T-SQL
13 2 (1.21%) Bash Shell
14 1 (0.61%) Kotlin
14 1 (0.61%) MATLAB
14 1 (0.61%) Shell Script
14 1 (0.61%) TypeScript
14 1 (0.61%) VB
Qualifications
1 31 (18.79%) Degree
2 15 (9.09%) Computer Science Degree
3 6 (3.64%) PhD
Quality Assurance & Compliance
1 16 (9.70%) PCI DSS
2 14 (8.48%) QA
3 7 (4.24%) GCP
4 1 (0.61%) PSD2
System Software
1 30 (18.18%) Docker
2 2 (1.21%) Hyper-V
2 2 (1.21%) KVM
2 2 (1.21%) VirtualBox
2 2 (1.21%) VMware Infrastructure
2 2 (1.21%) Xen
3 1 (0.61%) Apache ZooKeeper
3 1 (0.61%) Firmware
3 1 (0.61%) Virtual Machines
Systems Management
1 17 (10.30%) Business Desktop Deployment
1 17 (10.30%) Kibana
1 17 (10.30%) WSUS
2 16 (9.70%) Ansible
3 10 (6.06%) Kubernetes
4 9 (5.45%) Terraform
5 2 (1.21%) Opscode Chef
5 2 (1.21%) Puppet
Vendors
1 51 (30.91%) WorldPay
2 26 (15.76%) Microsoft
2 26 (15.76%) Oracle
3 3 (1.82%) Google
4 2 (1.21%) VMware
5 1 (0.61%) Sitecore