Period
to 23 May 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 23 May 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Cambridgeshire > Cambridge
6 months to
23 May 2018
Same period 2017 Same period 2016
Rank 44 45 45
Rank change year-on-year +1 0 +7
Permanent jobs citing TDD 201 165 169
As % of all permanent IT jobs advertised in Cambridge 6.52% 6.47% 6.17%
As % of the Processes & Methodologies category 6.92% 7.09% 6.76%
Number of salaries quoted 119 137 127
Cambridge median annual salary £45,000 £52,500 £40,000
Median salary % change year-on-year -14.29% +31.25% -11.11%
10th Percentile £36,250 £33,250 £27,500
90th Percentile £65,000 £62,250 £54,525
Cambridgeshire median annual salary £45,000 £50,000 £40,000
% change year-on-year -10.00% +25.00% -11.11%

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 2,906 2,327 2,501
As % of all permanent IT jobs advertised in Cambridge 94.32% 91.18% 91.31%
Number of salaries quoted 1,927 1,804 1,957
Cambridge median annual salary £47,500 £45,000 £45,000
Median salary % change year-on-year +5.56% - +5.88%
10th Percentile £29,500 £27,500 £28,650
90th Percentile £67,500 £67,500 £65,000
Cambridgeshire median annual salary £46,500 £45,000 £43,000
% change year-on-year +3.33% +4.65% +1.18%

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 23 May 2018.

Salary histogram for TDD in Cambridge

For the 6 months to 23 May 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.

1 178 (88.56%) Agile Software Development
2 99 (49.25%) Java
3 98 (48.76%) Kanban
4 84 (41.79%) Software Engineering
5 83 (41.29%) .NET
5 83 (41.29%) Continuous Integration
6 77 (38.31%) Scrum
6 77 (38.31%) WorldPay
7 69 (34.33%) RESTful
8 67 (33.33%) AngularJS
8 67 (33.33%) C#
9 66 (32.84%) E-Commerce
10 64 (31.84%) Ruby
11 60 (29.85%) Linux
12 59 (29.35%) Git (software)
13 55 (27.36%) JIRA
14 54 (26.87%) Python
15 51 (25.37%) SQL Server
16 45 (22.39%) ASP.NET
16 45 (22.39%) OO
16 45 (22.39%) MVC
16 45 (22.39%) Microsoft Azure
16 45 (22.39%) Amazon AWS
16 45 (22.39%) Jenkins
17 44 (21.89%) Test Automation
17 44 (21.89%) WPF
17 44 (21.89%) JavaScript
17 44 (21.89%) SQL Server 2016
18 43 (21.39%) SQL
18 43 (21.39%) TeamCity

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 32 (15.92%) Elasticsearch
2 9 (4.48%) Confluence
3 6 (2.99%) Apache
3 6 (2.99%) Apache Spark
4 2 (1.00%) nginx
5 1 (0.50%) CMS
5 1 (0.50%) OpenStack
5 1 (0.50%) Sitecore CMS
5 1 (0.50%) Umbraco
Applications
1 2 (1.00%) S-PLUS
2 1 (0.50%) Simulink
Business Applications
1 26 (12.94%) Payment Gateway
Cloud Services
1 45 (22.39%) Amazon AWS
1 45 (22.39%) Microsoft Azure
2 36 (17.91%) GitHub
3 26 (12.94%) OpenShift
4 6 (2.99%) Google Cloud Platform
5 2 (1.00%) npm
5 2 (1.00%) NuGet
Communications & Networking
1 8 (3.98%) Internet
2 5 (2.49%) SMS
2 5 (2.49%) Wireless
3 2 (1.00%) HTTP
3 2 (1.00%) TCP/IP
3 2 (1.00%) VPN
Database & Business Intelligence
1 51 (25.37%) SQL Server
2 44 (21.89%) SQL Server 2016
3 42 (20.90%) NoSQL
4 32 (15.92%) MongoDB
5 26 (12.94%) Apache Cassandra
6 19 (9.45%) Relational Database
7 4 (1.99%) MySQL
7 4 (1.99%) PostgreSQL
8 2 (1.00%) Neo4j
8 2 (1.00%) Redis
8 2 (1.00%) SQL Server 2000
8 2 (1.00%) SQL Server 2012
9 1 (0.50%) Big Data
Development Applications
1 59 (29.35%) Git (software)
2 55 (27.36%) JIRA
3 45 (22.39%) Jenkins
4 43 (21.39%) TeamCity
5 33 (16.42%) Cucumber
6 26 (12.94%) Sonatype Nexus
7 8 (3.98%) Atlassian Bamboo
8 7 (3.48%) Selenium
8 7 (3.48%) Visual Studio
9 5 (2.49%) NCrunch
9 5 (2.49%) ReSharper
9 5 (2.49%) Subversion
10 4 (1.99%) Mercurial
10 4 (1.99%) NUnit
11 3 (1.49%) Moq
11 3 (1.49%) MSBuild
11 3 (1.49%) Team Foundation Server
11 3 (1.49%) Vagrant
12 2 (1.00%) Artifactory
12 2 (1.00%) Bitbucket
General
1 38 (18.91%) Retail
2 32 (15.92%) Finance
3 31 (15.42%) Games
4 10 (4.98%) Marketing
5 1 (0.50%) Advertising
5 1 (0.50%) Banking
5 1 (0.50%) Electronics
5 1 (0.50%) Manufacturing
Job Titles
1 114 (56.72%) Developer
2 49 (24.38%) .NET Developer
3 45 (22.39%) Java Developer
4 44 (21.89%) Java Engineer
5 35 (17.41%) Senior Developer
6 32 (15.92%) Senior Java Developer
7 30 (14.93%) Messaging Developer
8 28 (13.93%) Software Engineer
9 22 (10.95%) Java Scala Developer
9 22 (10.95%) Scala Developer
9 22 (10.95%) Senior Java Scala Developer
9 22 (10.95%) Senior Scala Developer
10 19 (9.45%) Java Software Engineer
10 19 (9.45%) Senior Java Engineer
10 19 (9.45%) Software Developer
11 17 (8.46%) C# Developer
12 15 (7.46%) C# .NET Developer
13 12 (5.97%) Test Engineer
14 11 (5.47%) Development Manager
15 7 (3.48%) Software Development Manager
Libraries, Frameworks & Software Standards
1 83 (41.29%) .NET
2 69 (34.33%) RESTful
3 67 (33.33%) AngularJS
4 45 (22.39%) ASP.NET
5 44 (21.89%) WPF
6 43 (21.39%) ASP.NET Web API
7 39 (19.40%) ASP.NET MVC
8 37 (18.41%) Web Services
9 36 (17.91%) Node.js
9 36 (17.91%) Spring
10 34 (16.92%) ASP.NET MVC 5
11 33 (16.42%) Twitter Bootstrap
12 30 (14.93%) .NET Framework
12 30 (14.93%) KnockoutJS
12 30 (14.93%) MSMQ
12 30 (14.93%) RabbitMQ
13 26 (12.94%) Akka
14 17 (8.46%) HTML
15 15 (7.46%) CSS
16 10 (4.98%) jQuery
Miscellaneous
1 26 (12.94%) Distributed Denial-of-Service
1 26 (12.94%) Online Games
1 26 (12.94%) Private Cloud
2 24 (11.94%) Fintech
3 21 (10.45%) Computer Science
4 9 (4.48%) Analytical Skills
5 8 (3.98%) User Experience
6 7 (3.48%) Enterprise Software
6 7 (3.48%) Greenfield Project
7 5 (2.49%) Self-Motivation
8 3 (1.49%) Internet of Things
9 2 (1.00%) Data Structures
9 2 (1.00%) Driving Licence
9 2 (1.00%) iPad
9 2 (1.00%) Raspberry Pi
10 1 (0.50%) BBC
10 1 (0.50%) Data Centre
10 1 (0.50%) Mobile App
10 1 (0.50%) Smartphone
Operating Systems
1 60 (29.85%) Linux
2 31 (15.42%) Android
3 28 (13.93%) Apple iOS
4 15 (7.46%) Windows
5 6 (2.99%) Unix
6 3 (1.49%) Debian
Processes & Methodologies
1 178 (88.56%) Agile Software Development
2 98 (48.76%) Kanban
3 84 (41.79%) Software Engineering
4 83 (41.29%) Continuous Integration
5 77 (38.31%) Scrum
6 66 (32.84%) E-Commerce
7 45 (22.39%) MVC
7 45 (22.39%) OO
8 44 (21.89%) Test Automation
9 41 (20.40%) DevOps
10 40 (19.90%) Dependency Injection
11 39 (19.40%) Multithreading
12 37 (18.41%) Web Application Development
13 35 (17.41%) Continuous Delivery
14 27 (13.43%) Microservices
15 26 (12.94%) Cryptography
15 26 (12.94%) DDoS Mitigation
15 26 (12.94%) ERD
15 26 (12.94%) Software Architecture
15 26 (12.94%) Wireframes
Programming Languages
1 99 (49.25%) Java
2 67 (33.33%) C#
3 64 (31.84%) Ruby
4 54 (26.87%) Python
5 44 (21.89%) JavaScript
6 43 (21.39%) SQL
7 42 (20.90%) C
8 30 (14.93%) F#
9 27 (13.43%) Scala
10 7 (3.48%) Perl
11 5 (2.49%) C++
12 4 (1.99%) Bash Shell
13 3 (1.49%) PHP
13 3 (1.49%) T-SQL
14 2 (1.00%) Kotlin
14 2 (1.00%) Shell Script
14 2 (1.00%) TypeScript
15 1 (0.50%) Delphi
15 1 (0.50%) MATLAB
Qualifications
1 25 (12.44%) Degree
2 10 (4.98%) Computer Science Degree
3 5 (2.49%) PhD
Quality Assurance & Compliance
1 26 (12.94%) PCI DSS
2 6 (2.99%) GCP
2 6 (2.99%) QA
System Software
1 31 (15.42%) Docker
2 2 (1.00%) Apache ZooKeeper
2 2 (1.00%) Firmware
2 2 (1.00%) Hyper-V
2 2 (1.00%) KVM
2 2 (1.00%) Virtual Machines
2 2 (1.00%) VirtualBox
2 2 (1.00%) VMware Infrastructure
2 2 (1.00%) Xen
Systems Management
1 30 (14.93%) Business Desktop Deployment
1 30 (14.93%) Kibana
1 30 (14.93%) WSUS
2 2 (1.00%) Opscode Chef
2 2 (1.00%) Puppet
Vendors
1 77 (38.31%) WorldPay
2 42 (20.90%) Oracle
3 38 (18.91%) Microsoft
4 7 (3.48%) Terracotta
5 3 (1.49%) Google
6 2 (1.00%) Atlassian
6 2 (1.00%) VMware
7 1 (0.50%) Sitecore