Period
to 21 October 2018

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

Test-Driven Development (TDD)
South East > Surrey
6 months to
21 Oct 2018
Same period 2017 Same period 2016
Rank 34 25 31
Rank change year-on-year -9 +6 +20
Permanent jobs citing TDD 338 469 470
As % of all permanent IT jobs advertised in Surrey 6.71% 7.94% 6.82%
As % of the Processes & Methodologies category 7.51% 8.75% 7.79%
Number of salaries quoted 324 433 429
Surrey median annual salary £50,000 £51,250 £50,000
Median salary % change year-on-year -2.44% +2.50% -4.76%
10th Percentile £32,500 £33,750 £32,900
90th Percentile £67,500 £64,550 £66,250
South East median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +5.56% -

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 Surrey with a requirement for process or methodology skills.

All Process and Methodology Skills
Surrey
Permanent vacancies with a requirement for process or methodology skills 4,502 5,357 6,034
As % of all permanent IT jobs advertised in Surrey 89.40% 90.72% 87.60%
Number of salaries quoted 3,757 4,317 5,049
Surrey median annual salary £50,000 £50,000 £47,500
Median salary % change year-on-year - +5.26% +5.56%
10th Percentile £28,750 £29,150 £28,500
90th Percentile £73,750 £68,750 £70,000
South East median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - -

TDD
Job Vacancy Trend in Surrey

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

Job vacancy trend for TDD in Surrey

TDD
Salary Trend in Surrey

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

Salary trend for TDD in Surrey

TDD
Salary Histogram in Surrey

The salary distribution of IT jobs citing TDD in Surrey over the 6 months to 21 October 2018.

Salary histogram for TDD in Surrey

TDD
Job Locations in Surrey

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the Surrey region over the 6 months to 21 October 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
Reigate -11 69 £50,000 -5.66% 6
Leatherhead +23 59 £52,500 +5.00% 7
Guildford -12 51 £40,000 +6.67% 6
Godalming +5 27 £40,000 -23.81% 6
Camberley -5 17 £42,500 -10.53% 4
Weybridge -10 15 £33,010 -42.59% 1
Egham +14 14 £47,500 -20.83% 1
Staines +17 6 £65,000 +8.33% 3
Woking -10 6 £50,000 +17.65% 4
Walton-on-Thames +13 4 £47,500 -17.39% 3
Farnham -24 4 £60,000 +50.00%
Chertsey 0 3 £62,500 +62.34% 2
Epsom -5 3 £37,500 -14.29% 1
Whyteleafe - 3 £47,500 -
Redhill -6 2 £43,750 +2.94% 1
Thames Ditton - 2 £48,250 -
Dorking +3 1 - -
Caterham - 1 £50,000 -
TDD
South East

For the 6 months to 21 October 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 Surrey region with a requirement for TDD.

1 258 (76.33%) Agile Software Development
2 213 (63.02%) C#
3 178 (52.66%) .NET
4 129 (38.17%) MVC
5 125 (36.98%) SQL Server
6 124 (36.69%) Java
7 121 (35.80%) SQL
8 118 (34.91%) Scrum
9 117 (34.62%) ASP.NET
10 114 (33.73%) BDD
11 104 (30.77%) Git (software)
12 99 (29.29%) WCF
13 94 (27.81%) AngularJS
14 91 (26.92%) Microsoft Azure
15 87 (25.74%) ASP.NET MVC
16 84 (24.85%) Continuous Integration
17 76 (22.49%) NoSQL
18 75 (22.19%) JavaScript
19 74 (21.89%) .NET Framework
20 72 (21.30%) RESTful
21 70 (20.71%) Windows
22 69 (20.41%) Unit Testing
23 68 (20.12%) SOLID
24 62 (18.34%) Spring
25 61 (18.05%) Microservices
26 60 (17.75%) ASP.NET Web API
26 60 (17.75%) Amazon AWS
26 60 (17.75%) Microsoft
27 58 (17.16%) Web Services
27 58 (17.16%) REST

TDD
Co-occurring IT Skills in Surrey 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 21 (6.21%) Apache Spark
1 21 (6.21%) JBoss
2 15 (4.44%) Confluence
3 13 (3.85%) CMS
4 12 (3.55%) Elasticsearch
5 10 (2.96%) EPiServer
5 10 (2.96%) Sitecore CMS
5 10 (2.96%) Umbraco
6 9 (2.66%) Apache
7 7 (2.07%) BizTalk Server
8 6 (1.78%) Tomcat
9 4 (1.18%) Cloud Foundry
10 3 (0.89%) WebSphere
11 2 (0.59%) WordPress
12 1 (0.30%) GemFire
12 1 (0.30%) OpenStack
12 1 (0.30%) SharePoint
12 1 (0.30%) WildFly
Applications
1 3 (0.89%) Microsoft Office
Cloud Services
1 91 (26.92%) Microsoft Azure
2 60 (17.75%) Amazon AWS
3 28 (8.28%) SaaS
4 8 (2.37%) Google Cloud Platform
5 6 (1.78%) GitHub
6 5 (1.48%) IaaS
7 4 (1.18%) npm
7 4 (1.18%) OpenShift
8 3 (0.89%) Google Play
8 3 (0.89%) NuGet
9 1 (0.30%) Amazon ElastiCache
9 1 (0.30%) Amazon SQS
9 1 (0.30%) PaaS
9 1 (0.30%) Serverless
Communications & Networking
1 8 (2.37%) Internet
2 4 (1.18%) HTTP
3 3 (0.89%) VoIP
4 2 (0.59%) Hyperconnected
5 1 (0.30%) AMQP
5 1 (0.30%) TCP/IP
Database & Business Intelligence
1 125 (36.98%) SQL Server
2 76 (22.49%) NoSQL
3 51 (15.09%) SQL Server 2016
4 20 (5.92%) MySQL
5 14 (4.14%) MongoDB
6 10 (2.96%) PostgreSQL
7 7 (2.07%) Redis
8 6 (1.78%) Data Warehouse
8 6 (1.78%) Hadoop
8 6 (1.78%) Relational Database
9 5 (1.48%) Apache Cassandra
9 5 (1.48%) Crystal Reports
9 5 (1.48%) Parquet
9 5 (1.48%) SQL Server 2012
10 4 (1.18%) HBase
10 4 (1.18%) SQL Server 2008
11 3 (0.89%) Apache Hive
11 3 (0.89%) Big Data
11 3 (0.89%) SQL Server 2005
11 3 (0.89%) SQL Server Integration Services
Development Applications
1 104 (30.77%) Git (software)
2 50 (14.79%) Jenkins
3 49 (14.50%) Visual Studio
4 37 (10.95%) Selenium
5 34 (10.06%) JUnit
6 33 (9.76%) Team Foundation Server
7 23 (6.80%) SpecFlow
8 22 (6.51%) Maven
8 22 (6.51%) Mockito
9 20 (5.92%) JIRA
10 16 (4.73%) Cucumber
11 14 (4.14%) NUnit
12 12 (3.55%) WebDriver
13 11 (3.25%) Octopus Deploy
13 11 (3.25%) Subversion
14 10 (2.96%) Arquillian
14 10 (2.96%) Gradle
15 9 (2.66%) Visual Studio Team System
16 6 (1.78%) TeamCity
17 5 (1.48%) JMeter
General
1 32 (9.47%) Finance
1 32 (9.47%) Marketing
2 15 (4.44%) Telecoms
3 12 (3.55%) Games
4 10 (2.96%) Advertising
5 8 (2.37%) Electronics
6 7 (2.07%) Retail
7 6 (1.78%) Automotive
7 6 (1.78%) Financial Institution
7 6 (1.78%) Manufacturing
8 5 (1.48%) Aerospace
9 3 (0.89%) Military
10 2 (0.59%) Avionics
10 2 (0.59%) Banking
10 2 (0.59%) Music Industry
11 1 (0.30%) Law
Job Titles
1 236 (69.82%) Developer
2 116 (34.32%) .NET Developer
3 53 (15.68%) Java Developer
4 46 (13.61%) C# Developer
5 38 (11.24%) Software Engineer
6 37 (10.95%) .NET Software Developer
7 36 (10.65%) Software Developer
8 33 (9.76%) Senior Developer
9 26 (7.69%) C# .NET Developer
10 21 (6.21%) Lead Developer
11 19 (5.62%) Lead .NET Developer
12 17 (5.03%) Senior Java Developer
13 14 (4.14%) C++ Developer
13 14 (4.14%) Junior
14 12 (3.55%) C++ Software Developer
15 11 (3.25%) .NET Software Engineer
15 11 (3.25%) C# Software Engineer
16 10 (2.96%) Mid-Level .NET Developer
16 10 (2.96%) QA Engineer
16 10 (2.96%) Senior .NET Developer
Libraries, Frameworks & Software Standards
1 178 (52.66%) .NET
2 117 (34.62%) ASP.NET
3 99 (29.29%) WCF
4 94 (27.81%) AngularJS
5 87 (25.74%) ASP.NET MVC
6 74 (21.89%) .NET Framework
7 72 (21.30%) RESTful
8 62 (18.34%) Spring
9 60 (17.75%) ASP.NET Web API
10 58 (17.16%) REST
10 58 (17.16%) Web Services
11 57 (16.86%) Node.js
11 57 (16.86%) WPF
12 54 (15.98%) HTML
13 50 (14.79%) Entity Framework
14 45 (13.31%) CSS
15 44 (13.02%) ASP.NET MVC 5
16 43 (12.72%) jQuery
17 40 (11.83%) WinForms
18 36 (10.65%) React
Miscellaneous
1 56 (16.57%) Greenfield Project
2 20 (5.92%) Self-Motivation
3 17 (5.03%) Algorithms
3 17 (5.03%) Computer Science
4 11 (3.25%) Analytical Skills
4 11 (3.25%) N-Tier
5 6 (1.78%) Linux Command Line
5 6 (1.78%) Smart Meter
6 4 (1.18%) Mobile App
6 4 (1.18%) Virtual Team
7 3 (0.89%) Fintech
7 3 (0.89%) iPhone
7 3 (0.89%) Social Network
8 2 (0.59%) Clustering
8 2 (0.59%) Enterprise Software
8 2 (0.59%) PKI
8 2 (0.59%) User Experience
9 1 (0.30%) Blog
9 1 (0.30%) Management Information System
9 1 (0.30%) Replication
Operating Systems
1 70 (20.71%) Windows
2 48 (14.20%) Linux
3 12 (3.55%) Unix
4 7 (2.07%) Android
5 4 (1.18%) Apple iOS
6 3 (0.89%) Mac OS
6 3 (0.89%) Windows Server
7 1 (0.30%) Red Hat Enterprise Linux
Processes & Methodologies
1 258 (76.33%) Agile Software Development
2 129 (38.17%) MVC
3 118 (34.91%) Scrum
4 114 (33.73%) BDD
5 84 (24.85%) Continuous Integration
6 69 (20.41%) Unit Testing
7 68 (20.12%) SOLID
8 61 (18.05%) Microservices
9 56 (16.57%) Test Automation
10 50 (14.79%) OO
10 50 (14.79%) Web Application Development
11 48 (14.20%) Software Engineering
12 47 (13.91%) SDLC
13 44 (13.02%) DevOps
14 43 (12.72%) Mentoring
15 34 (10.06%) Kanban
16 29 (8.58%) Problem-Solving
17 28 (8.28%) SOA
18 27 (7.99%) OOP
19 26 (7.69%) Continuous Delivery
Programming Languages
1 213 (63.02%) C#
2 124 (36.69%) Java
3 121 (35.80%) SQL
4 75 (22.19%) JavaScript
5 53 (15.68%) Ruby
6 35 (10.36%) Java 8
7 34 (10.06%) Python
8 25 (7.40%) C++
9 17 (5.03%) TypeScript
10 15 (4.44%) Scala
11 13 (3.85%) VB.NET
12 12 (3.55%) PowerShell
13 7 (2.07%) ES6
13 7 (2.07%) VBA
14 6 (1.78%) Bash Shell
14 6 (1.78%) Go
14 6 (1.78%) Shell Script
15 5 (1.48%) R
16 4 (1.18%) C
16 4 (1.18%) PL/SQL
Qualifications
1 40 (11.83%) Degree
2 21 (6.21%) Computer Science Degree
3 6 (1.78%) SC Cleared
3 6 (1.78%) Security Cleared
4 5 (1.48%) ISTQB
5 3 (0.89%) ISEB
6 2 (0.59%) ISTQB Foundation Certification
7 1 (0.30%) CEH
7 1 (0.30%) Oracle Certification
7 1 (0.30%) SANS
Quality Assurance & Compliance
1 36 (10.65%) QA
2 3 (0.89%) PA-DSS
2 3 (0.89%) PCI DSS
3 2 (0.59%) WCAG
4 1 (0.30%) SLA
System Software
1 29 (8.58%) Docker
2 6 (1.78%) Apache ZooKeeper
3 4 (1.18%) HDFS
4 3 (0.89%) Hyper-V
4 3 (0.89%) KVM
4 3 (0.89%) VirtualBox
4 3 (0.89%) VMware Infrastructure
4 3 (0.89%) Xen
5 1 (0.30%) zsh
Systems Management
1 19 (5.62%) Ansible
2 15 (4.44%) Opscode Chef
3 11 (3.25%) Kubernetes
4 7 (2.07%) Puppet
5 5 (1.48%) Hadoop YARN
6 3 (0.89%) HP Quality Center
7 2 (0.59%) Kibana
7 2 (0.59%) logstash
7 2 (0.59%) Terraform
8 1 (0.30%) Salt
Vendors
1 60 (17.75%) Microsoft
2 14 (4.14%) Google
3 10 (2.96%) Sitecore
4 7 (2.07%) SAP
5 4 (1.18%) Oracle
6 3 (0.89%) AppDynamics
6 3 (0.89%) New Relic
6 3 (0.89%) VMware
7 2 (0.59%) HP
8 1 (0.30%) Apple
8 1 (0.30%) Birst
8 1 (0.30%) Red Hat
8 1 (0.30%) Splunk
8 1 (0.30%) Sun