Period
to 19 December 2018

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

Test-Driven Development (TDD)
Surrey > Guildford
6 months to
19 Dec 2018
Same period 2017 Same period 2016
Rank 57 33 45
Rank change year-on-year -24 +12 -17
Permanent jobs citing TDD 33 73 41
As % of all permanent IT jobs advertised in Guildford 4.00% 8.21% 5.50%
As % of the Processes & Methodologies category 4.41% 9.13% 6.30%
Number of salaries quoted 32 68 37
Guildford median annual salary £50,000 £46,250 £57,500
Median salary % change year-on-year +8.11% -19.57% +9.52%
10th Percentile £32,500 £30,000 £35,000
90th Percentile £67,250 £67,500 £66,250
Surrey median annual salary £50,000 £50,000 £50,000

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 Guildford with a requirement for process or methodology skills.

All Process and Methodology Skills
Guildford
Permanent vacancies with a requirement for process or methodology skills 748 800 651
As % of all permanent IT jobs advertised in Guildford 90.56% 89.99% 87.27%
Number of salaries quoted 619 706 613
Guildford median annual salary £40,000 £45,000 £47,500
Median salary % change year-on-year -11.11% -5.26% +11.76%
10th Percentile £24,950 £27,500 £30,000
90th Percentile £72,500 £67,500 £70,000
Surrey median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% +5.56%

TDD
Job Vacancy Trend in Guildford

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

Job vacancy trend for TDD in Guildford

TDD
Salary Trend in Guildford

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

Salary trend for TDD in Guildford

TDD
Salary Histogram in Guildford

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

Salary histogram for TDD in Guildford

For the 6 months to 19 December 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 Guildford region with a requirement for TDD.

1 25 (75.76%) Agile Software Development
2 21 (63.64%) Java
3 19 (57.58%) Spring
4 17 (51.52%) C#
5 15 (45.45%) AngularJS
6 12 (36.36%) Greenfield Project
6 12 (36.36%) SQL Server
6 12 (36.36%) MVC
7 11 (33.33%) Linux
7 11 (33.33%) Software Engineering
7 11 (33.33%) RESTful
7 11 (33.33%) Jenkins
8 10 (30.30%) Amazon AWS
8 10 (30.30%) SQL
8 10 (30.30%) .NET
9 9 (27.27%) Apache
9 9 (27.27%) Hibernate
9 9 (27.27%) BDD
9 9 (27.27%) Kafka
10 8 (24.24%) Twitter Bootstrap
10 8 (24.24%) DevOps
10 8 (24.24%) Microservices
10 8 (24.24%) React
10 8 (24.24%) SC Cleared
10 8 (24.24%) Security Cleared
10 8 (24.24%) Git (software)
10 8 (24.24%) Scrum
10 8 (24.24%) JUnit
11 7 (21.21%) Web Services
11 7 (21.21%) J2EE

TDD
Co-occurring IT Skills in Guildford 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 9 (27.27%) Apache
2 6 (18.18%) JBoss
3 5 (15.15%) Confluence
3 5 (15.15%) Elasticsearch
4 4 (12.12%) Apache Spark
5 2 (6.06%) Cloud Foundry
6 1 (3.03%) GemFire
6 1 (3.03%) OpenStack
6 1 (3.03%) Tomcat
Cloud Services
1 10 (30.30%) Amazon AWS
2 6 (18.18%) Microsoft Azure
3 4 (12.12%) GitHub
4 2 (6.06%) Azure Active Directory
5 1 (3.03%) Amazon ElastiCache
5 1 (3.03%) Amazon SQS
5 1 (3.03%) PaaS
Communications & Networking
1 2 (6.06%) Internet
2 1 (3.03%) AMQP
Database & Business Intelligence
1 12 (36.36%) SQL Server
2 7 (21.21%) Hadoop
3 6 (18.18%) Apache Cassandra
3 6 (18.18%) Apache Hive
4 5 (15.15%) Big Data
5 3 (9.09%) MySQL
5 3 (9.09%) NoSQL
5 3 (9.09%) Parquet
6 2 (6.06%) HBase
6 2 (6.06%) SQL Server 2016
7 1 (3.03%) Amazon DynamoDB
7 1 (3.03%) Amazon QuickSight
7 1 (3.03%) Data Warehouse
7 1 (3.03%) Hazelcast
7 1 (3.03%) MongoDB
7 1 (3.03%) OLTP
7 1 (3.03%) Pentaho
7 1 (3.03%) SQL Server Reporting Services
Development Applications
1 11 (33.33%) Jenkins
2 8 (24.24%) Git (software)
2 8 (24.24%) JUnit
3 6 (18.18%) Arquillian
3 6 (18.18%) Maven
3 6 (18.18%) Mockito
4 5 (15.15%) EasyMock
4 5 (15.15%) JIRA
4 5 (15.15%) Octopus Deploy
5 4 (12.12%) Gradle
6 1 (3.03%) Cucumber
6 1 (3.03%) Eclipse
6 1 (3.03%) Gatling
6 1 (3.03%) JMeter
6 1 (3.03%) Selenium
6 1 (3.03%) SpecFlow
General
1 6 (18.18%) Finance
2 2 (6.06%) Financial Institution
Job Titles
1 27 (81.82%) Developer
2 12 (36.36%) Java Developer
3 9 (27.27%) .NET Developer
4 7 (21.21%) Software Engineer
5 5 (15.15%) Senior Developer
5 5 (15.15%) Software Developer
6 4 (12.12%) .NET Software Developer
6 4 (12.12%) Junior
7 3 (9.09%) C# Developer
7 3 (9.09%) Senior Java Developer
8 2 (6.06%) Internet Developer
8 2 (6.06%) Java Engineer
8 2 (6.06%) Java Scala Developer
8 2 (6.06%) Java Software Engineer
8 2 (6.06%) Junior Developer
8 2 (6.06%) Junior Java Developer
8 2 (6.06%) Junior Software Engineer
8 2 (6.06%) Scala Developer
8 2 (6.06%) Senior C# Developer
9 1 (3.03%) Cloud Developer
Libraries, Frameworks & Software Standards
1 19 (57.58%) Spring
2 15 (45.45%) AngularJS
3 11 (33.33%) RESTful
4 10 (30.30%) .NET
5 9 (27.27%) Hibernate
5 9 (27.27%) Kafka
6 8 (24.24%) React
6 8 (24.24%) Twitter Bootstrap
7 7 (21.21%) J2EE
7 7 (21.21%) Web Services
8 6 (18.18%) ASP.NET
8 6 (18.18%) ASP.NET MVC
8 6 (18.18%) HTML
8 6 (18.18%) Middleware
8 6 (18.18%) Spring Boot
8 6 (18.18%) WCF
9 5 (15.15%) CSS
9 5 (15.15%) GWT
9 5 (15.15%) REST
10 4 (12.12%) JSON
Miscellaneous
1 12 (36.36%) Greenfield Project
2 7 (21.21%) Linux Command Line
3 3 (9.09%) Virtual Team
4 2 (6.06%) Fintech
5 1 (3.03%) Analytical Skills
5 1 (3.03%) Enterprise Software
5 1 (3.03%) Replication
Operating Systems
1 11 (33.33%) Linux
2 4 (12.12%) Unix
3 1 (3.03%) Red Hat Enterprise Linux
Processes & Methodologies
1 25 (75.76%) Agile Software Development
2 12 (36.36%) MVC
3 11 (33.33%) Software Engineering
4 9 (27.27%) BDD
5 8 (24.24%) DevOps
5 8 (24.24%) Microservices
5 8 (24.24%) Scrum
6 6 (18.18%) Continuous Integration
7 5 (15.15%) Kanban
8 4 (12.12%) SDLC
9 3 (9.09%) Benchmarking
9 3 (9.09%) Front End Development
10 2 (6.06%) B2B
10 2 (6.06%) Load Testing
10 2 (6.06%) Mentoring
10 2 (6.06%) Multithreading
10 2 (6.06%) Pair Programming
10 2 (6.06%) Software Deployment
10 2 (6.06%) Validation
10 2 (6.06%) Web Application Development
Programming Languages
1 21 (63.64%) Java
2 17 (51.52%) C#
3 10 (30.30%) SQL
4 7 (21.21%) Java 8
4 7 (21.21%) Python
5 6 (18.18%) JavaScript
6 4 (12.12%) C++
6 4 (12.12%) Shell Script
7 2 (6.06%) Ruby
7 2 (6.06%) Scala
8 1 (3.03%) TypeScript
Qualifications
1 8 (24.24%) SC Cleared
1 8 (24.24%) Security Cleared
2 5 (15.15%) Degree
Quality Assurance & Compliance
1 4 (12.12%) QA
System Software
1 4 (12.12%) Apache ZooKeeper
2 2 (6.06%) HDFS
3 1 (3.03%) Docker
Systems Management
1 3 (9.09%) Hadoop YARN
2 1 (3.03%) Ansible
2 1 (3.03%) Terraform
Vendors
1 6 (18.18%) Microsoft
2 2 (6.06%) Salesforce.com
3 1 (3.03%) Birst
3 1 (3.03%) Red Hat