Period
to 21 February 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 21 February 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Cambridgeshire > Cambridge
6 months to
21 Feb 2018
Same period 2017 Same period 2016
Rank 42 54 31
Rank change year-on-year +12 -23 +16
Permanent jobs citing TDD 203 117 220
As % of all permanent IT jobs advertised in Cambridge 6.17% 5.15% 7.46%
As % of the Processes & Methodologies category 6.58% 5.69% 8.34%
Number of salaries quoted 136 99 190
Cambridge median annual salary £45,000 £42,500 £40,000
Median salary % change year-on-year +5.88% +6.25% -
10th Percentile £30,000 £31,250 £27,500
90th Percentile £70,000 £61,250 £55,000
Cambridgeshire median annual salary £45,000 £45,344 £40,000
% change year-on-year -0.76% +13.36% -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 3,087 2,055 2,638
As % of all permanent IT jobs advertised in Cambridge 93.80% 90.45% 89.48%
Number of salaries quoted 2,248 1,694 2,146
Cambridge median annual salary £50,000 £45,000 £45,000
Median salary % change year-on-year +11.11% - +5.88%
10th Percentile £30,000 £26,250 £29,750
90th Percentile £70,000 £67,500 £65,000
Cambridgeshire median annual salary £50,000 £45,000 £43,000
% change year-on-year +11.11% +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 21 February 2018.

Salary histogram for TDD in Cambridge

For the 6 months to 21 February 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.

1 169 (83.25%) Agile Software Development
2 106 (52.22%) Java
3 90 (44.33%) Software Engineering
4 82 (40.39%) C#
5 81 (39.90%) OO
6 79 (38.92%) .NET
7 72 (35.47%) Kanban
8 68 (33.50%) AngularJS
9 62 (30.54%) Scrum
10 61 (30.05%) Linux
10 61 (30.05%) Ruby
11 60 (29.56%) RESTful
12 58 (28.57%) MVC
13 57 (28.08%) Microsoft Azure
14 56 (27.59%) JavaScript
15 53 (26.11%) ASP.NET
16 52 (25.62%) Microsoft
16 52 (25.62%) Multithreading
16 52 (25.62%) ASP.NET Web API
17 50 (24.63%) ASP.NET MVC
18 49 (24.14%) SQL Server
19 47 (23.15%) TeamCity
19 47 (23.15%) Git (software)
19 47 (23.15%) Degree
19 47 (23.15%) Twitter Bootstrap
20 46 (22.66%) Continuous Integration
20 46 (22.66%) Python
21 45 (22.17%) Node.js
22 44 (21.67%) WPF
22 44 (21.67%) C

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 36 (17.73%) Elasticsearch
2 9 (4.43%) Confluence
3 3 (1.48%) IIS
4 1 (0.49%) JBoss
4 1 (0.49%) nginx
4 1 (0.49%) OpenStack
4 1 (0.49%) Tomcat
Applications
1 2 (0.99%) S-PLUS
Business Applications
1 11 (5.42%) Payment Gateway
Cloud Services
1 57 (28.08%) Microsoft Azure
2 33 (16.26%) Amazon AWS
3 19 (9.36%) GitHub
4 11 (5.42%) OpenShift
5 5 (2.46%) Google Cloud Platform
6 3 (1.48%) SaaS
7 1 (0.49%) Cloud Computing
7 1 (0.49%) npm
Communications & Networking
1 12 (5.91%) Internet
2 5 (2.46%) Bluetooth
2 5 (2.46%) Wireless
3 4 (1.97%) Ethernet
3 4 (1.97%) TCP/IP
4 2 (0.99%) VPN
5 1 (0.49%) Wi-Fi
Database & Business Intelligence
1 49 (24.14%) SQL Server
2 42 (20.69%) MongoDB
3 38 (18.72%) SQL Server 2016
4 32 (15.76%) NoSQL
5 31 (15.27%) Relational Database
6 17 (8.37%) MySQL
7 11 (5.42%) Apache Cassandra
8 8 (3.94%) Big Data
9 6 (2.96%) PostgreSQL
10 5 (2.46%) Azure SQL Database
11 1 (0.49%) DB2
11 1 (0.49%) Neo4j
11 1 (0.49%) Redis
11 1 (0.49%) SQL Server Integration Services
11 1 (0.49%) SQL Server Reporting Services
Development Applications
1 47 (23.15%) Git (software)
1 47 (23.15%) TeamCity
2 39 (19.21%) JIRA
3 29 (14.29%) Jenkins
4 19 (9.36%) Cucumber
4 19 (9.36%) Mercurial
5 12 (5.91%) NUnit
5 12 (5.91%) Team Foundation Server
6 11 (5.42%) Sonatype Nexus
7 8 (3.94%) Selenium
8 7 (3.45%) Moq
8 7 (3.45%) MSBuild
8 7 (3.45%) Subversion
9 6 (2.96%) WebDriver
10 4 (1.97%) ReSharper
10 4 (1.97%) Visual Studio
11 3 (1.48%) JUnit
11 3 (1.48%) Mockito
12 2 (0.99%) Bitbucket
12 2 (0.99%) webpack
General
1 31 (15.27%) Finance
2 29 (14.29%) Retail
3 12 (5.91%) Games
4 5 (2.46%) Advertising
4 5 (2.46%) Telecoms
5 1 (0.49%) Manufacturing
5 1 (0.49%) Publishing
Job Titles
1 124 (61.08%) Developer
2 52 (25.62%) .NET Developer
3 39 (19.21%) Java Engineer
4 35 (17.24%) Messaging Developer
5 31 (15.27%) Software Developer
6 29 (14.29%) Software Engineer
7 28 (13.79%) Java Developer
8 23 (11.33%) Senior Java Engineer
9 22 (10.84%) Senior Developer
10 18 (8.87%) C# Developer
11 17 (8.37%) Graduate
11 17 (8.37%) Java Software Engineer
12 15 (7.39%) C# .NET Developer
12 15 (7.39%) Senior Java Developer
13 13 (6.40%) Development Manager
13 13 (6.40%) Graduate Developer
13 13 (6.40%) Senior Software Engineer
13 13 (6.40%) Web Developer
14 11 (5.42%) Full Stack Developer
15 10 (4.93%) Software Manager
Libraries, Frameworks & Software Standards
1 79 (38.92%) .NET
2 68 (33.50%) AngularJS
3 60 (29.56%) RESTful
4 53 (26.11%) ASP.NET
5 52 (25.62%) ASP.NET Web API
6 50 (24.63%) ASP.NET MVC
7 47 (23.15%) Twitter Bootstrap
8 45 (22.17%) Node.js
9 44 (21.67%) WPF
10 38 (18.72%) ASP.NET MVC 5
11 36 (17.73%) Spring
12 35 (17.24%) KnockoutJS
12 35 (17.24%) MSMQ
12 35 (17.24%) RabbitMQ
13 34 (16.75%) HTML
14 28 (13.79%) CSS
14 28 (13.79%) HTML5
14 28 (13.79%) Web Services
15 26 (12.81%) jQuery
16 23 (11.33%) CSS3
Miscellaneous
1 23 (11.33%) Computer Science
2 19 (9.36%) Fintech
3 16 (7.88%) Analytical Skills
4 14 (6.90%) Algorithms
5 12 (5.91%) Enterprise Software
5 12 (5.91%) Greenfield Project
6 11 (5.42%) Distributed Denial-of-Service
6 11 (5.42%) Online Games
6 11 (5.42%) Private Cloud
7 8 (3.94%) Data Structures
8 6 (2.96%) Mobile App
9 5 (2.46%) User Experience
10 2 (0.99%) Internet of Things
10 2 (0.99%) iPad
10 2 (0.99%) Raspberry Pi
10 2 (0.99%) Smartphone
11 1 (0.49%) BBC
11 1 (0.49%) Data Centre
11 1 (0.49%) Smart Energy
11 1 (0.49%) Video\Live Streaming
Operating Systems
1 61 (30.05%) Linux
2 31 (15.27%) Android
3 17 (8.37%) Apple iOS
4 14 (6.90%) Debian
5 4 (1.97%) Unix
5 4 (1.97%) Windows
6 2 (0.99%) FreeRTOS
7 1 (0.49%) CentOS
7 1 (0.49%) Red Hat Enterprise Linux
Processes & Methodologies
1 169 (83.25%) Agile Software Development
2 90 (44.33%) Software Engineering
3 81 (39.90%) OO
4 72 (35.47%) Kanban
5 62 (30.54%) Scrum
6 58 (28.57%) MVC
7 52 (25.62%) Multithreading
8 46 (22.66%) Continuous Integration
9 42 (20.69%) E-Commerce
10 40 (19.70%) Web Application Development
11 36 (17.73%) Test Automation
12 35 (17.24%) Dependency Injection
13 31 (15.27%) DevOps
14 28 (13.79%) Unit Testing
14 28 (13.79%) Web Development
15 27 (13.30%) SDLC
16 22 (10.84%) Mathematics
17 21 (10.34%) Release Management
18 19 (9.36%) BDD
19 18 (8.87%) Continuous Delivery
Programming Languages
1 106 (52.22%) Java
2 82 (40.39%) C#
3 61 (30.05%) Ruby
4 56 (27.59%) JavaScript
5 46 (22.66%) Python
6 44 (21.67%) C
7 41 (20.20%) SQL
8 35 (17.24%) F#
9 19 (9.36%) C++
10 14 (6.90%) Scala
11 5 (2.46%) Apple Swift
11 5 (2.46%) Objective-C
11 5 (2.46%) Perl
12 4 (1.97%) Bash Shell
12 4 (1.97%) Embedded C
13 3 (1.48%) PHP
13 3 (1.48%) R
14 2 (0.99%) Assembly Language
15 1 (0.49%) Shell Script
15 1 (0.49%) TypeScript
Qualifications
1 47 (23.15%) Degree
2 10 (4.93%) Computer Science Degree
3 4 (1.97%) Numerate Degree
3 4 (1.97%) PhD
Quality Assurance & Compliance
1 17 (8.37%) QA
2 11 (5.42%) PCI DSS
System Software
1 23 (11.33%) Docker
2 1 (0.49%) Apache ZooKeeper
2 1 (0.49%) Firmware
2 1 (0.49%) Virtual Machines
Systems Management
1 35 (17.24%) Business Desktop Deployment
1 35 (17.24%) Kibana
1 35 (17.24%) WSUS
2 5 (2.46%) Kubernetes
Vendors
1 52 (25.62%) Microsoft
2 43 (21.18%) WorldPay
3 23 (11.33%) Oracle
4 15 (7.39%) Terracotta
5 5 (2.46%) Google
6 3 (1.48%) Xamarin
7 2 (0.99%) Atlassian
7 2 (0.99%) QNX
7 2 (0.99%) Wind River
8 1 (0.49%) IBM
8 1 (0.49%) Perforce
8 1 (0.49%) Red Hat