Period
to 22 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Essex 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 22 November 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 22 69 51
Rank change year-on-year +47 -18 +26
Permanent jobs citing TDD 112 74 110
As % of all permanent IT jobs advertised in Essex 7.99% 3.47% 4.21%
As % of the Processes & Methodologies category 9.48% 3.95% 5.00%
Number of salaries quoted 97 54 95
Essex median annual salary £50,000 £45,000 £42,500
Median salary % change year-on-year +11.11% +5.88% -
10th Percentile £32,500 £32,500 £33,750
90th Percentile £67,500 £65,000 £55,000
East of England median annual salary £48,945 £46,614 £47,500
% change year-on-year +5.00% -1.87% +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 Essex with a requirement for process or methodology skills.

All Process and Methodology Skills
Essex
Permanent vacancies with a requirement for process or methodology skills 1181 1875 2198
As % of all permanent IT jobs advertised in Essex 84.30% 87.95% 84.12%
Number of salaries quoted 978 1437 1594
Essex median annual salary £45,500 £45,000 £40,000
Median salary % change year-on-year +1.11% +12.50% -8.83%
10th Percentile £27,500 £27,900 £24,500
90th Percentile £66,250 £68,750 £67,125
East of England median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - +4.65%

TDD
Job Vacancy Trend in Essex

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

Job vacancy trend for TDD in Essex

TDD
Salary Trend in Essex

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

Salary trend for TDD in Essex

TDD
Salary Histogram in Essex

The salary distribution of IT jobs citing TDD in Essex over the 6 months to 22 November 2017.

Salary histogram for TDD in Essex

TDD
Job Locations in Essex

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the Essex region over the 6 months to 22 November 2017. 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
Chelmsford +29 41 £50,000 -23.08% 4
Harlow - 25 £65,000 - 1
Brentwood +36 9 £30,000 - 1
Wickford -3 6 £42,500 +21.43% 1
Witham - 5 £52,500 -
Southend-on-Sea +13 4 £59,734 +29.31% 1
Colchester +10 1 £70,000 +100.00%
Basildon -4 1 £55,000 +4.76%
Saffron Walden - 1 £49,602 -
TDD
East of England

For the 6 months to 22 November 2017, IT jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Essex region with a requirement for TDD.

1 97 (86.61%) Agile Software Development
2 77 (68.75%) MVC
3 67 (59.82%) SQL
4 54 (48.21%) .NET
5 52 (46.43%) C#
6 44 (39.29%) Java
6 44 (39.29%) SQL Server
7 43 (38.39%) ASP.NET
8 42 (37.50%) BDD
9 39 (34.82%) RESTful
10 38 (33.93%) Spring
11 35 (31.25%) Spring MVC
12 31 (27.68%) ASP.NET MVC
13 27 (24.11%) WCF
13 27 (24.11%) JavaScript
14 25 (22.32%) HTML
14 25 (22.32%) ASP.NET Web API
15 24 (21.43%) ASP.NET MVC 5
15 24 (21.43%) Web Application Development
16 23 (20.54%) Greenfield Project
16 23 (20.54%) .NET Framework
17 21 (18.75%) SQL Server 2016
17 21 (18.75%) AngularJS
18 19 (16.96%) Twitter Bootstrap
18 19 (16.96%) Degree
19 18 (16.07%) Scrum
20 17 (15.18%) Java EE
20 17 (15.18%) Struts
20 17 (15.18%) KnockoutJS
21 16 (14.29%) Test Automation

TDD
Co-occurring IT Skills in Essex 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 13 (11.61%) JBoss
2 7 (6.25%) IIS
3 5 (4.46%) Mule
3 5 (4.46%) Oracle Service Bus
3 5 (4.46%) Oracle SOA Suite
4 1 (0.89%) Cloud Foundry
4 1 (0.89%) Confluence
Cloud Services
1 3 (2.68%) Microsoft Azure
2 1 (0.89%) Amazon AWS
2 1 (0.89%) Asana
2 1 (0.89%) Azure Active Directory
2 1 (0.89%) GitHub
2 1 (0.89%) IaaS
2 1 (0.89%) PaaS
Communications & Networking
1 6 (5.36%) Internet
2 1 (0.89%) DHCP
2 1 (0.89%) DNS
2 1 (0.89%) Firewall
2 1 (0.89%) VPN
2 1 (0.89%) WAN
Database & Business Intelligence
1 44 (39.29%) SQL Server
2 21 (18.75%) SQL Server 2016
3 15 (13.39%) SQL Server Integration Services
3 15 (13.39%) SQL Server Reporting Services
4 14 (12.50%) SQL Server 2014
5 12 (10.71%) NoSQL
6 11 (9.82%) SQL Server 2005
7 4 (3.57%) Data Warehouse
8 2 (1.79%) SQL Server 2012
9 1 (0.89%) MySQL
9 1 (0.89%) Relational Database
Development Applications
1 16 (14.29%) Selenium
2 12 (10.71%) Git (software)
3 7 (6.25%) WebDriver
4 6 (5.36%) JIRA
5 5 (4.46%) Maven
5 5 (4.46%) SpecFlow
6 4 (3.57%) Subversion
6 4 (3.57%) Team Foundation Server
7 3 (2.68%) jMock
7 3 (2.68%) JUnit
7 3 (2.68%) Mockito
7 3 (2.68%) Octopus Deploy
8 2 (1.79%) Cucumber
8 2 (1.79%) git-flow
8 2 (1.79%) Jenkins
8 2 (1.79%) Mercurial
8 2 (1.79%) Moq
8 2 (1.79%) MSTest
9 1 (0.89%) Artifactory
9 1 (0.89%) SoapUI
General
1 13 (11.61%) Automotive
2 10 (8.93%) Advertising
2 10 (8.93%) Finance
3 9 (8.04%) Banking
3 9 (8.04%) Marketing
4 6 (5.36%) Electronics
4 6 (5.36%) Manufacturing
4 6 (5.36%) Telecoms
5 1 (0.89%) Legal
Job Titles
1 81 (72.32%) Developer
2 41 (36.61%) Java Developer
3 27 (24.11%) .NET Developer
4 19 (16.96%) Senior Developer
5 14 (12.50%) QA Leader
6 13 (11.61%) Agile Developer
7 11 (9.82%) Agile Java Developer
8 10 (8.93%) Senior Java Developer
9 7 (6.25%) Software Developer
9 7 (6.25%) Team Leader
10 6 (5.36%) Internet Developer
10 6 (5.36%) Java Software Developer
11 5 (4.46%) C# Developer
11 5 (4.46%) Integration Developer
11 5 (4.46%) Lead Developer
11 5 (4.46%) QA Engineer
11 5 (4.46%) Senior Agile Developer
11 5 (4.46%) Senior QA Engineer
11 5 (4.46%) Technical Leader
12 4 (3.57%) Tester
Libraries, Frameworks & Software Standards
1 54 (48.21%) .NET
2 43 (38.39%) ASP.NET
3 39 (34.82%) RESTful
4 38 (33.93%) Spring
5 35 (31.25%) Spring MVC
6 31 (27.68%) ASP.NET MVC
7 27 (24.11%) WCF
8 25 (22.32%) ASP.NET Web API
8 25 (22.32%) HTML
9 24 (21.43%) ASP.NET MVC 5
10 23 (20.54%) .NET Framework
11 21 (18.75%) AngularJS
12 19 (16.96%) Twitter Bootstrap
13 17 (15.18%) Java EE
13 17 (15.18%) KnockoutJS
13 17 (15.18%) Struts
14 16 (14.29%) Java SE
15 12 (10.71%) JPA
15 12 (10.71%) Web Services
16 10 (8.93%) CSS
Miscellaneous
1 23 (20.54%) Greenfield Project
2 15 (13.39%) Computer Science
3 6 (5.36%) Data Structures
3 6 (5.36%) Social Network
4 5 (4.46%) Analytical Skills
5 2 (1.79%) Mobile App
Operating Systems
1 6 (5.36%) Android
1 6 (5.36%) Apple iOS
1 6 (5.36%) Windows Server
2 5 (4.46%) Linux
3 1 (0.89%) Unix
3 1 (0.89%) VME
3 1 (0.89%) Windows
Processes & Methodologies
1 97 (86.61%) Agile Software Development
2 77 (68.75%) MVC
3 42 (37.50%) BDD
4 24 (21.43%) Web Application Development
5 18 (16.07%) Scrum
6 16 (14.29%) Test Automation
7 12 (10.71%) Unit Testing
8 11 (9.82%) Business Intelligence
8 11 (9.82%) OO
8 11 (9.82%) SDLC
9 10 (8.93%) Manual Testing
10 8 (7.14%) Continuous Improvement
10 8 (7.14%) Refactoring
11 7 (6.25%) Continuous Delivery
11 7 (6.25%) Feature Driven Development
11 7 (6.25%) Kanban
12 6 (5.36%) Android Development
12 6 (5.36%) DevOps
12 6 (5.36%) iOS Development
12 6 (5.36%) Mentoring
Programming Languages
1 67 (59.82%) SQL
2 52 (46.43%) C#
3 44 (39.29%) Java
4 27 (24.11%) JavaScript
5 16 (14.29%) T-SQL
6 13 (11.61%) PHP
7 10 (8.93%) Ruby
8 5 (4.46%) XPath
9 4 (3.57%) VB.NET
10 2 (1.79%) C
10 2 (1.79%) COBOL
10 2 (1.79%) VB
11 1 (0.89%) Perl
Qualifications
1 19 (16.96%) Degree
2 6 (5.36%) Computer Science Degree
3 1 (0.89%) Check Point Certification
3 1 (0.89%) MCSA
3 1 (0.89%) MCSE
3 1 (0.89%) Microsoft Certification
Quality Assurance & Compliance
1 16 (14.29%) QA
System Software
1 1 (0.89%) Active Directory
1 1 (0.89%) Docker
Systems Management
1 1 (0.89%) Ansible
1 1 (0.89%) Business Desktop Deployment
1 1 (0.89%) Puppet
Vendors
1 12 (10.71%) Microsoft
2 6 (5.36%) SAP
3 5 (4.46%) Oracle
3 5 (4.46%) WSO2
4 3 (2.68%) Facebook
5 1 (0.89%) CheckPoint
5 1 (0.89%) Cisco
5 1 (0.89%) IBM
5 1 (0.89%) Juniper
5 1 (0.89%) Splunk