Period
to 25 September 2018

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 6 months to 25 September 2018 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Test-Driven Development (TDD)
Central London > City of London
6 months to
25 Sep 2018
Same period 2017 Same period 2016
Rank 10 10 9
Rank change year-on-year 0 -1 +11
Contract jobs citing TDD 781 710 714
As % of all contract IT jobs advertised in the City of London 11.17% 10.48% 10.73%
As % of the Processes & Methodologies category 12.94% 11.78% 12.23%
Number of daily rates quoted 686 610 650
City of London median daily rate £525 £525 £510
Median daily rate % change year-on-year - +2.94% +2.00%
10th Percentile £419 £375 £369
90th Percentile £675 £650 £650
Central London median daily rate £525 £513 £500
% change year-on-year +2.44% +2.50% -
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for process or methodology skills.

All Process and Methodology Skills
City of London
Contract vacancies with a requirement for process or methodology skills 6,036 6,028 5,836
As % of all contract IT jobs advertised in the City of London 86.35% 88.99% 87.67%
Number of daily rates quoted 4,817 4,709 4,699
City of London median daily rate £501 £500 £475
Median daily rate % change year-on-year +0.10% +5.26% +2.70%
10th Percentile £327 £325 £313
90th Percentile £675 £675 £663
Central London median daily rate £500 £500 £475
% change year-on-year - +5.26% +5.56%
Number of hourly rates quoted 102 54 47
City of London median hourly rate £18.70 £19.35 £20.00
Median hourly rate % change year-on-year -3.36% -3.25% -4.76%
10th Percentile £13.02 £13.31 £11.25
90th Percentile £32.25 £31.28 £55.00
Central London median hourly rate £18.70 £18.70 £19.00
% change year-on-year - -1.58% -5.00%

TDD
Job Vacancy Trend in the City of London

Job postings citing TDD as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for TDD in the City of London

TDD
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in the City of London.

Contractor daily rate trend for TDD in the City of London

TDD
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing TDD in the City of London over the 6 months to 25 September 2018.

Contractor daily rate histogram for TDD in the City of London

TDD
Contractor Hourly Rate Trend in the City of London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing TDD in the City of London.

Contractor hourly rate trend for TDD in the City of London

TDD
Contract Job Locations in the City of London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the City of London region over the 6 months to 25 September 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London Bridge -10 25 £575 -
TDD
Central London

For the 6 months to 25 September 2018, IT contractor 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 contract job ads across the City of London region with a requirement for TDD.

1 545 (69.78%) Agile Software Development
2 312 (39.95%) BDD
3 302 (38.67%) Java
4 269 (34.44%) JavaScript
5 212 (27.14%) Microservices
6 200 (25.61%) Finance
7 191 (24.46%) .NET
7 191 (24.46%) Amazon AWS
8 189 (24.20%) C#
9 182 (23.30%) Git (software)
10 176 (22.54%) HTML
11 166 (21.25%) Docker
12 160 (20.49%) AngularJS
13 155 (19.85%) CSS
14 154 (19.72%) REST
14 154 (19.72%) React
15 151 (19.33%) Microsoft Azure
16 149 (19.08%) Java 8
17 146 (18.69%) DevOps
18 144 (18.44%) Spring
19 140 (17.93%) Scrum
20 139 (17.80%) Greenfield Project
21 130 (16.65%) Continuous Integration
22 126 (16.13%) SQL
23 122 (15.62%) MVC
24 117 (14.98%) Node.js
25 116 (14.85%) RESTful
26 113 (14.47%) HTML5
27 111 (14.21%) OO
28 110 (14.08%) Software Engineering

TDD
Co-occurring IT Skills in the City of London 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 (4.61%) Elasticsearch
2 35 (4.48%) Apache
3 32 (4.10%) Apache Spark
4 30 (3.84%) Cloud Foundry
5 25 (3.20%) CMS
6 18 (2.30%) Confluence
6 18 (2.30%) NServiceBus
7 15 (1.92%) Tomcat
8 13 (1.66%) JBoss
9 11 (1.41%) WebLogic
10 6 (0.77%) MQSeries
11 5 (0.64%) Apache Airflow
12 4 (0.51%) IIS
12 4 (0.51%) OpenStack
12 4 (0.51%) Oracle SOA Suite
12 4 (0.51%) WebSphere
13 3 (0.38%) ArcGIS
13 3 (0.38%) SharePoint
13 3 (0.38%) Sitecore CMS
13 3 (0.38%) Umbraco
Applications
1 8 (1.02%) Microsoft Excel
2 2 (0.26%) Snapchat
3 1 (0.13%) Adobe Illustrator
3 1 (0.13%) InVision
Business Applications
1 2 (0.26%) Distributed Ledger
1 2 (0.26%) Payment Gateway
1 2 (0.26%) SDL Web 8
2 1 (0.13%) Dynamics CRM
2 1 (0.13%) Summit
Cloud Services
1 191 (24.46%) Amazon AWS
2 151 (19.33%) Microsoft Azure
3 53 (6.79%) Heroku
4 37 (4.74%) npm
5 33 (4.23%) Google Cloud Platform
6 26 (3.33%) GitHub
7 16 (2.05%) Cloud Computing
7 16 (2.05%) IBM Cloud
7 16 (2.05%) Serverless
8 15 (1.92%) PaaS
9 14 (1.79%) Amazon S3
9 14 (1.79%) IaaS
10 13 (1.66%) Amazon EC2
10 13 (1.66%) Amazon SQS
11 9 (1.15%) AWS Lambda
12 7 (0.90%) Amazon CloudWatch
13 5 (0.64%) Amazon Kinesis
14 2 (0.26%) Amazon EMR
14 2 (0.26%) AWS CloudFormation
14 2 (0.26%) Datadog
Communications & Networking
1 36 (4.61%) HTTP
2 32 (4.10%) TCP/IP
3 21 (2.69%) DNS
3 21 (2.69%) FTP
3 21 (2.69%) SSL
4 4 (0.51%) SMS
5 2 (0.26%) Firewall
5 2 (0.26%) Internet
6 1 (0.13%) AMQP
6 1 (0.13%) LAN
6 1 (0.13%) Network Security
Database & Business Intelligence
1 97 (12.42%) SQL Server
2 91 (11.65%) NoSQL
3 68 (8.71%) MongoDB
4 51 (6.53%) PostgreSQL
5 42 (5.38%) Relational Database
6 38 (4.87%) MySQL
6 38 (4.87%) Redis
7 32 (4.10%) Big Data
8 29 (3.71%) Cosmos DB
9 28 (3.59%) Apache Cassandra
10 27 (3.46%) Hadoop
11 26 (3.33%) SQL Server 2012
12 19 (2.43%) Azure SQL Database
13 18 (2.30%) SQL Server 2016
14 16 (2.05%) SQL Server 2014
15 11 (1.41%) Data Lake
16 10 (1.28%) Riak
17 9 (1.15%) Apache Hive
17 9 (1.15%) Couchbase
18 8 (1.02%) Amazon DynamoDB
Development Applications
1 182 (23.30%) Git (software)
2 97 (12.42%) Jenkins
3 73 (9.35%) Maven
4 60 (7.68%) JUnit
5 55 (7.04%) Selenium
6 45 (5.76%) Mockito
7 41 (5.25%) SpecFlow
8 39 (4.99%) GitLab
8 39 (4.99%) Gradle
9 36 (4.61%) webpack
10 35 (4.48%) JIRA
11 32 (4.10%) Cucumber
11 32 (4.10%) gulp
12 29 (3.71%) Ant
13 25 (3.20%) SonarQube
13 25 (3.20%) Sonatype Nexus
14 23 (2.94%) NUnit
15 22 (2.82%) WebDriver
16 21 (2.69%) Babel
16 21 (2.69%) TeamCity
General
1 200 (25.61%) Finance
2 98 (12.55%) Banking
3 30 (3.84%) Investment Banking
4 25 (3.20%) Front Office
5 24 (3.07%) Financial Institution
5 24 (3.07%) Law
6 23 (2.94%) Retail
7 18 (2.30%) Publishing
8 11 (1.41%) Advertising
8 11 (1.41%) Back Office
9 7 (0.90%) Automotive
9 7 (0.90%) Games
9 7 (0.90%) Marketing
10 6 (0.77%) Pharmaceutical
11 4 (0.51%) Retail Banking
12 3 (0.38%) Multimedia
13 2 (0.26%) Prime Brokerage
13 2 (0.26%) Telecoms
14 1 (0.13%) Billing
Job Titles
1 590 (75.54%) Developer
2 200 (25.61%) Java Developer
3 107 (13.70%) Senior Developer
4 100 (12.80%) .NET Developer
5 78 (9.99%) C# Developer
6 52 (6.66%) Front End Developer (Client-Side Developer)
7 51 (6.53%) Senior Java Developer
8 49 (6.27%) Full Stack Developer
9 46 (5.89%) React Developer
10 41 (5.25%) JavaScript Developer
11 38 (4.87%) Angular Developer
12 33 (4.23%) Azure Developer
13 32 (4.10%) C# .NET Developer
14 31 (3.97%) Agile Developer
15 28 (3.59%) Agile Java Developer
15 28 (3.59%) DevOps Engineer
15 28 (3.59%) Lead Developer
16 25 (3.20%) Architect
16 25 (3.20%) Software Engineer
17 24 (3.07%) Python Developer
Libraries, Frameworks & Software Standards
1 191 (24.46%) .NET
2 176 (22.54%) HTML
3 160 (20.49%) AngularJS
4 155 (19.85%) CSS
5 154 (19.72%) React
5 154 (19.72%) REST
6 144 (18.44%) Spring
7 117 (14.98%) Node.js
8 116 (14.85%) RESTful
9 113 (14.47%) HTML5
10 76 (9.73%) Web Services
11 73 (9.35%) Spring Boot
12 66 (8.45%) CSS3
13 64 (8.19%) ASP.NET
14 63 (8.07%) ASP.NET Web API
15 57 (7.30%) JSON
16 56 (7.17%) Sass
17 53 (6.79%) .NET Core
18 50 (6.40%) ASP.NET MVC
19 46 (5.89%) Hibernate
Miscellaneous
1 139 (17.80%) Greenfield Project
2 83 (10.63%) Fintech
3 65 (8.32%) User Experience
4 44 (5.63%) Computer Science
5 35 (4.48%) iPad
5 35 (4.48%) Mobile App
6 26 (3.33%) Derivative
7 25 (3.20%) Fixed Income
8 24 (3.07%) Foreign Exchange (FX)
9 20 (2.56%) Analytical Skills
10 19 (2.43%) Equities
11 18 (2.30%) Data Structures
12 13 (1.66%) Credit Risk
12 13 (1.66%) Equity Derivative
12 13 (1.66%) Virtual Team
13 11 (1.41%) Enterprise Software
14 10 (1.28%) Video\Live Streaming
15 9 (1.15%) Cloud Native
15 9 (1.15%) Self-Motivation
16 8 (1.02%) Algorithms
Operating Systems
1 80 (10.24%) Linux
2 41 (5.25%) Unix
3 25 (3.20%) Apple iOS
4 22 (2.82%) Windows
5 15 (1.92%) Android
6 9 (1.15%) Windows Server
7 3 (0.38%) CoreOS
7 3 (0.38%) VMS
8 2 (0.26%) Mac OS X
8 2 (0.26%) Oracle Linux
9 1 (0.13%) Mac OS
Processes & Methodologies
1 545 (69.78%) Agile Software Development
2 312 (39.95%) BDD
3 212 (27.14%) Microservices
4 146 (18.69%) DevOps
5 140 (17.93%) Scrum
6 130 (16.65%) Continuous Integration
7 122 (15.62%) MVC
8 111 (14.21%) OO
9 110 (14.08%) Software Engineering
10 104 (13.32%) Test Automation
11 95 (12.16%) Pair Programming
12 85 (10.88%) Unit Testing
13 84 (10.76%) Multithreading
14 83 (10.63%) Front End Development
15 70 (8.96%) E-Commerce
16 65 (8.32%) Continuous Delivery
17 63 (8.07%) Kanban
18 52 (6.66%) SOA
19 40 (5.12%) Open Source
20 39 (4.99%) Domain-Driven Design
Programming Languages
1 302 (38.67%) Java
2 269 (34.44%) JavaScript
3 189 (24.20%) C#
4 149 (19.08%) Java 8
5 126 (16.13%) SQL
6 106 (13.57%) Python
7 74 (9.48%) Ruby
8 53 (6.79%) TypeScript
9 48 (6.15%) Groovy
10 47 (6.02%) Scala
11 42 (5.38%) ES6
12 38 (4.87%) Bash Shell
13 37 (4.74%) Kotlin
14 23 (2.94%) C
15 21 (2.69%) T-SQL
16 19 (2.43%) PHP
17 18 (2.30%) Go
18 14 (1.79%) Apple Swift
18 14 (1.79%) PowerShell
19 13 (1.66%) Shell Script
Qualifications
1 66 (8.45%) Degree
2 24 (3.07%) Computer Science Degree
3 7 (0.90%) Security Cleared
4 5 (0.64%) SC Cleared
5 4 (0.51%) Numerate Degree
6 2 (0.26%) DV Cleared
7 1 (0.13%) AWS Certification
7 1 (0.13%) BPSS Clearance
7 1 (0.13%) DBS Check
7 1 (0.13%) ISEB
Quality Assurance & Compliance
1 45 (5.76%) QA
2 3 (0.38%) Disclosure Scotland
2 3 (0.38%) PCI DSS
3 2 (0.26%) Data Quality
3 2 (0.26%) PSD2
3 2 (0.26%) SLA
4 1 (0.13%) GDPR
4 1 (0.13%) MiFID
System Software
1 166 (21.25%) Docker
2 4 (0.51%) HDFS
3 2 (0.26%) Active Directory
4 1 (0.13%) Platform Symphony
4 1 (0.13%) Virtual Desktop
4 1 (0.13%) Virtual Machines
Systems Management
1 88 (11.27%) Kubernetes
2 39 (4.99%) Ansible
3 35 (4.48%) Mesos
4 31 (3.97%) Terraform
5 29 (3.71%) Puppet
6 24 (3.07%) Consul
7 15 (1.92%) Opscode Chef
8 11 (1.41%) Docker Swarm
8 11 (1.41%) Prometheus
9 10 (1.28%) Marathon
10 8 (1.02%) Kibana
11 6 (0.77%) logstash
11 6 (0.77%) systemd
12 5 (0.64%) Grafana
13 4 (0.51%) Business Desktop Deployment
13 4 (0.51%) Hadoop YARN
13 4 (0.51%) HP ALM
14 3 (0.38%) Single Sign-On
15 2 (0.26%) Fluentd
15 2 (0.26%) Nagios
Vendors
1 39 (4.99%) Microsoft
2 32 (4.10%) Oracle
3 21 (2.69%) IBM
4 15 (1.92%) Splunk
4 15 (1.92%) Sybase
5 11 (1.41%) TIBCO
6 10 (1.28%) Apple
6 10 (1.28%) Google
7 8 (1.02%) AppDynamics
7 8 (1.02%) Salesforce.com
8 7 (0.90%) New Relic
8 7 (0.90%) Rollbar
9 6 (0.77%) Atlassian
9 6 (0.77%) Citrix
9 6 (0.77%) Progress
10 5 (0.64%) Cadence
10 5 (0.64%) Escenic
11 4 (0.51%) HP
11 4 (0.51%) Sitecore
12 3 (0.38%) Cloudera