TDD Contracts in the City of London

Test-Driven Development (TDD)
Central London > City of London

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 15 May 2024 with a comparison to the same period in the previous 2 years.

6 months to
15 May 2024
Same period 2023 Same period 2022
Rank 81 56 29
Rank change year-on-year -25 -27 -17
Contract jobs citing TDD 40 139 278
As % of all contract jobs advertised in the City of London 1.85% 3.97% 6.57%
As % of the Processes & Methodologies category 2.05% 4.34% 7.15%
Number of daily rates quoted 28 107 226
10th Percentile £395 £500 £467
25th Percentile £448 £563 £555
Median daily rate (50th Percentile) £625 £650 £638
Median % change year-on-year -3.85% +1.96% +6.25%
75th Percentile £731 £775 £725
90th Percentile £798 £825 £775
Central London median daily rate £625 £644 £638
% change year-on-year -2.91% +0.98% +6.25%
Number of hourly rates quoted 0 2 1
Median hourly rate - £35.00 £77.00
Median % change year-on-year - -54.55% -
Central London median hourly rate - £35.00 £77.00
% change year-on-year - -54.55% -

All Process and Methodology Skills
City of London

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.

Contract vacancies with a requirement for process or methodology skills 1,955 3,202 3,890
As % of all contract IT jobs advertised in the City of London 90.51% 91.51% 91.96%
Number of daily rates quoted 1,375 2,163 2,952
10th Percentile £350 £356 £385
25th Percentile £450 £481 £475
Median daily rate (50th Percentile) £565 £600 £575
Median % change year-on-year -5.83% +4.35% +9.52%
75th Percentile £688 £730 £688
90th Percentile £813 £825 £775
Central London median daily rate £550 £600 £575
% change year-on-year -8.33% +4.35% +9.52%
Number of hourly rates quoted 12 24 43
10th Percentile £19.95 £15.33 £18.50
25th Percentile £20.22 £18.03 £22.63
Median hourly rate £25.63 £35.00 £40.50
Median % change year-on-year -26.79% -13.58% +125.31%
75th Percentile £40.00 £58.75 £53.50
90th Percentile £41.65 £88.30 £65.10
Central London median hourly rate £27.81 £35.00 £40.50
% change year-on-year -20.54% -13.58% +102.50%

TDD
Job Vacancy Trend in the City of London

Job postings citing TDD as a proportion 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

3-month moving average daily rate quoted in jobs citing TDD in the City of London.

Daily rate trend for TDD in the City of London

TDD
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing TDD in the City of London over the 6 months to 15 May 2024.

Daily rate histogram for TDD in the City of London

TDD
Contractor Hourly Rate Trend in the City of London

3-month moving average hourly rates quoted in jobs citing TDD in the City of London.

Hourly rate trend for TDD in the City of London

TDD
Co-occurring Skills and Capabilities in the City of London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 2 (5.00%) Confluence
2 1 (2.50%) Apache Spark
2 1 (2.50%) CMS
2 1 (2.50%) nginx
2 1 (2.50%) NServiceBus
Applications
1 2 (5.00%) Microsoft Office
1 2 (5.00%) Microsoft Project
Cloud Services
1 16 (40.00%) Azure
2 9 (22.50%) AWS
3 8 (20.00%) Azure DevOps
4 6 (15.00%) Azure Monitor
5 5 (12.50%) GitHub
6 4 (10.00%) Amazon EKS
6 4 (10.00%) GCP
6 4 (10.00%) GitHub Actions
7 3 (7.50%) Amazon ECR
7 3 (7.50%) Azure Pipelines
7 3 (7.50%) Serverless
8 2 (5.00%) Azure Cosmos DB
8 2 (5.00%) Azure Functions
8 2 (5.00%) Azure Service Bus
9 1 (2.50%) AWS Elastic Beanstalk
9 1 (2.50%) AWS Lambda
9 1 (2.50%) Dynamics 365
9 1 (2.50%) Entra ID
9 1 (2.50%) WhatsApp
Communications & Networking
1 1 (2.50%) DHCP
1 1 (2.50%) DNS
1 1 (2.50%) TCP/IP
1 1 (2.50%) VLAN
Database & Business Intelligence
1 8 (20.00%) SQL Server
2 7 (17.50%) NoSQL
3 4 (10.00%) KDB
3 4 (10.00%) MongoDB
4 3 (7.50%) Amazon RDS
4 3 (7.50%) DynamoDB
4 3 (7.50%) PostgreSQL
5 2 (5.00%) Relational Database
6 1 (2.50%) Apache Cassandra
6 1 (2.50%) Azure SQL Database
6 1 (2.50%) CouchDB
6 1 (2.50%) Data Vault
6 1 (2.50%) Data Warehouse
6 1 (2.50%) DataStage
6 1 (2.50%) Elasticsearch
6 1 (2.50%) MySQL
6 1 (2.50%) Redis
6 1 (2.50%) SQL Server Integration Services
Development Applications
1 12 (30.00%) Git
2 5 (12.50%) Selenium
3 4 (10.00%) CircleCI
3 4 (10.00%) Jenkins
3 4 (10.00%) Mercurial
3 4 (10.00%) Mockito
3 4 (10.00%) Postman
3 4 (10.00%) SpecFlow
4 3 (7.50%) Maven
4 3 (7.50%) TeamCity
5 2 (5.00%) Bitbucket
5 2 (5.00%) JIRA
5 2 (5.00%) JUnit
6 1 (2.50%) Cucumber
6 1 (2.50%) eggPlant
6 1 (2.50%) Gradle
6 1 (2.50%) Jasmine
6 1 (2.50%) Octopus Deploy
6 1 (2.50%) SoapUI
6 1 (2.50%) WebDriver
General
1 11 (27.50%) Finance
2 6 (15.00%) Banking
3 3 (7.50%) Back Office
3 3 (7.50%) Social Skills
4 2 (5.00%) Front Office
4 2 (5.00%) Investment Banking
5 1 (2.50%) Financial Institution
5 1 (2.50%) Public Sector
5 1 (2.50%) Retail
Job Titles
1 27 (67.50%) Developer
2 13 (32.50%) Java Developer
3 8 (20.00%) Senior
4 6 (15.00%) Full Stack Developer
5 5 (12.50%) Senior Developer
6 4 (10.00%) Analyst
6 4 (10.00%) Lead
6 4 (10.00%) Senior Java Developer
7 3 (7.50%) C# Developer
7 3 (7.50%) Python Developer
7 3 (7.50%) Scrum Master
8 2 (5.00%) .NET Developer
8 2 (5.00%) Analyst Developer
8 2 (5.00%) C++ Developer
8 2 (5.00%) C++/Java Developer
8 2 (5.00%) Developer Analyst
8 2 (5.00%) Java Analyst Developer
8 2 (5.00%) Market Analyst
8 2 (5.00%) Market Data Analyst
8 2 (5.00%) Test Analyst
Libraries, Frameworks & Software Standards
1 10 (25.00%) REST
2 9 (22.50%) .NET
3 7 (17.50%) .NET Core
3 7 (17.50%) CSS
3 7 (17.50%) HTML
4 6 (15.00%) Spring
5 5 (12.50%) JAX-RS
5 5 (12.50%) Kafka
5 5 (12.50%) RESTful
6 4 (10.00%) AngularJS
6 4 (10.00%) Spring Boot
7 3 (7.50%) ActiveMQ
7 3 (7.50%) Django
7 3 (7.50%) Playwright
7 3 (7.50%) pytest
7 3 (7.50%) React
7 3 (7.50%) Sass
7 3 (7.50%) Web Services
7 3 (7.50%) XML
8 2 (5.00%) ASP.NET
Miscellaneous
1 4 (10.00%) Product Ownership
2 1 (2.50%) CBDC
2 1 (2.50%) Cloud Native
2 1 (2.50%) Digital Currency
2 1 (2.50%) Distributed Systems
2 1 (2.50%) DTCC
2 1 (2.50%) Foreign Exchange (FX)
2 1 (2.50%) Legacy Systems
2 1 (2.50%) PKI
Operating Systems
1 10 (25.00%) Linux
2 6 (15.00%) Unix
3 4 (10.00%) Mac OS X
4 3 (7.50%) Windows
Processes & Methodologies
1 24 (60.00%) Agile
2 16 (40.00%) Test Automation
3 13 (32.50%) Microservices
4 11 (27.50%) CI/CD
4 11 (27.50%) DevOps
5 10 (25.00%) Scrum
6 9 (22.50%) BDD
7 8 (20.00%) Continuous Integration
8 7 (17.50%) OO
9 6 (15.00%) Full Stack Development
9 6 (15.00%) OOD
10 5 (12.50%) Continuous Deployment
10 5 (12.50%) Mentoring
10 5 (12.50%) Pair Programming
10 5 (12.50%) Software Engineering
10 5 (12.50%) Unit Testing
10 5 (12.50%) Web Development
11 4 (10.00%) API Management
12 3 (7.50%) Open Source
12 3 (7.50%) User Stories
Programming Languages
1 16 (40.00%) Java
2 13 (32.50%) C#
3 7 (17.50%) JavaScript
3 7 (17.50%) Python
3 7 (17.50%) SQL
4 3 (7.50%) Bicep
4 3 (7.50%) C++
5 2 (5.00%) C
5 2 (5.00%) Go
5 2 (5.00%) PHP
5 2 (5.00%) TypeScript
6 1 (2.50%) Rust
6 1 (2.50%) T-SQL
Qualifications
1 7 (17.50%) Security Cleared
2 6 (15.00%) SC Cleared
3 4 (10.00%) Degree
4 2 (5.00%) PMI Certification
4 2 (5.00%) PMP
5 1 (2.50%) Computer Science Degree
5 1 (2.50%) ISEB
5 1 (2.50%) ISTQB
5 1 (2.50%) SANS
Quality Assurance & Compliance
1 4 (10.00%) Accessibility
1 4 (10.00%) WCAG
2 2 (5.00%) QA
3 1 (2.50%) ISO 20022
3 1 (2.50%) MiFID
3 1 (2.50%) NIST
System Software
1 4 (10.00%) Docker
2 1 (2.50%) Active Directory
Systems Management
1 4 (10.00%) Kubernetes
2 2 (5.00%) Terraform
3 1 (2.50%) Ansible
3 1 (2.50%) Grafana
3 1 (2.50%) Kibana
3 1 (2.50%) logstash
3 1 (2.50%) Progress Chef
3 1 (2.50%) Prometheus
3 1 (2.50%) Puppet
Vendors
1 8 (20.00%) Microsoft
2 3 (7.50%) Google
3 2 (5.00%) ION Trading
4 1 (2.50%) Embarcadero
4 1 (2.50%) Optimizely
4 1 (2.50%) Oracle
4 1 (2.50%) Salesforce
4 1 (2.50%) Splunk