Period
to 20 January 2020

The median contractor rate for a Senior Developer was £550 per day in advertised job vacancies in Central London during the 6 months to 20 January 2020.

The first table below provides contractor rate benchmarking and summary statistics including a comparison to 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.

Senior Developer
London > Central London
6 months to
20 Jan 2020
Same period 2019 Same period 2018
Rank 57 39 41
Rank change year-on-year -18 +2 -4
Contract jobs requiring a Senior Developer 244 503 440
As % of all contract IT jobs advertised in Central London 3.90% 5.73% 5.09%
As % of the Job Titles category 4.17% 6.02% 5.38%
Number of daily rates quoted 166 416 390
Central London median daily rate £550 £575 £575
Median daily rate % change year-on-year -4.35% - +4.55%
10th Percentile £425 £454 £443
90th Percentile £723 £675 £751
London median daily rate £550 £550 £550
Number of hourly rates quoted 0 0 1
Central London median hourly rate - - £65.00
London median hourly rate £72.50 £40.00 £63.75
% change year-on-year +81.25% -37.25% +42.06%

The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies advertised in Central London. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of contract jobs in our overall sample.

All Contract IT Job Vacancies
Central London
Contract vacancies in Central London with a recognized job title 5,845 8,349 8,178
% of contract IT jobs with a recognized job title 93.51% 95.18% 94.52%
Number of daily rates quoted 4,462 6,377 6,374
Central London median daily rate £500 £500 £500
10th Percentile £288 £300 £313
90th Percentile £675 £675 £675
London median daily rate £500 £500 £500
Number of hourly rates quoted 81 108 113
Central London median hourly rate £20.83 £18.70 £18.10
Median hourly rate % change year-on-year +11.39% +3.31% +6.47%
10th Percentile £12.50 £13.00 £11.25
90th Percentile £52.25 £35.00 £36.05
London median hourly rate £23.00 £20.33 £20.00
% change year-on-year +13.16% +1.63% -2.44%

Senior Developer
Job Vacancy Trend in Central London

Job postings that featured Senior Developer in the job title as a percentage of all IT jobs advertised in Central London.

Job vacancy trend for Senior Developer in Central London

Senior Developer
Contractor Daily Rate Trend in Central London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Senior Developer in Central London.

Contractor daily rate trend for Senior Developer in Central London

Senior Developer
Contractor Daily Rate Histogram in Central London

The daily rate distribution of IT jobs citing Senior Developer in Central London over the 6 months to 20 January 2020.

Contractor daily rate histogram for Senior Developer in Central London

Senior Developer
Contractor Hourly Rate Trend in Central London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Senior Developer in Central London.

Contractor hourly rate trend for Senior Developer in Central London

Senior Developer
Contract Job Locations in Central London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Senior Developer within the Central London region over the 6 months to 20 January 2020. 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
City of London -20 169 £550 -4.35% 126
City of Westminster +4 4 £500 -16.67%
Southwark +11 1 £575 -
Senior Developer
London

Senior Developer Skill Set
Top 30 Co-occurring IT Skills in Central London

For the 6 months to 20 January 2020, Senior Developer contract jobs required the following IT skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Central London region featuring Senior Developer in the job title.

1 138 (56.56%) Agile Software Development
2 98 (40.16%) JavaScript
3 69 (28.28%) Java
4 65 (26.64%) TDD
5 63 (25.82%) Finance
6 57 (23.36%) CSS
7 52 (21.31%) Node.js
8 47 (19.26%) Test Automation
9 46 (18.85%) SQL
10 44 (18.03%) React
11 43 (17.62%) AWS
12 40 (16.39%) Banking
13 39 (15.98%) Python
14 37 (15.16%) HTML
14 37 (15.16%) User Experience
15 36 (14.75%) Microservices
16 33 (13.52%) OO
17 32 (13.11%) Azure
18 31 (12.70%) Problem-Solving
19 30 (12.30%) Redux
20 29 (11.89%) Docker
21 28 (11.48%) GraphQL
21 28 (11.48%) Computer Science
22 27 (11.07%) Front Office
22 27 (11.07%) Scrum
22 27 (11.07%) Greenfield Project
22 27 (11.07%) Data Structures
22 27 (11.07%) Kubernetes
23 26 (10.66%) Analytical Skills
23 26 (10.66%) AngularJS

Senior Developer Skill Set
Co-occurring IT Skills in Central 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 10 (4.10%) Elasticsearch
2 6 (2.46%) Apache Spark
3 3 (1.23%) WordPress
4 2 (0.82%) CMS
4 2 (0.82%) Tomcat
5 1 (0.41%) Confluence
5 1 (0.41%) Drupal
5 1 (0.41%) Magnolia
5 1 (0.41%) NServiceBus
5 1 (0.41%) OpenStack
Applications
1 1 (0.41%) Microsoft PowerPoint
1 1 (0.41%) MS Visio
Business Applications
1 2 (0.82%) ION MarketView
Cloud Services
1 43 (17.62%) AWS
2 32 (13.11%) Azure
3 17 (6.97%) GCP
4 8 (3.28%) Heroku
5 7 (2.87%) Cloud Computing
6 6 (2.46%) Serverless
7 3 (1.23%) Amazon S3
7 3 (1.23%) GitHub
7 3 (1.23%) SaaS
8 2 (0.82%) Amazon EKS
8 2 (0.82%) AWS Lambda
8 2 (0.82%) Firebase
8 2 (0.82%) iPaaS
8 2 (0.82%) PaaS
9 1 (0.41%) Amazon SQS
9 1 (0.41%) AWS Step Functions
9 1 (0.41%) Azure Functions
9 1 (0.41%) npm
9 1 (0.41%) OpenShift
9 1 (0.41%) Power Platform
Communications & Networking
1 8 (3.28%) Multicast
2 2 (0.82%) HTTP
3 1 (0.41%) AMQP
3 1 (0.41%) FTP
3 1 (0.41%) Internet
3 1 (0.41%) SMTP
3 1 (0.41%) SSH
Database & Business Intelligence
1 24 (9.84%) NoSQL
2 18 (7.38%) SQL Server
3 15 (6.15%) MySQL
4 11 (4.51%) Relational Database
5 8 (3.28%) KDB
6 7 (2.87%) Kdb+
6 7 (2.87%) MongoDB
6 7 (2.87%) PostgreSQL
6 7 (2.87%) SQL Server Integration Services
7 6 (2.46%) Apache Cassandra
8 5 (2.05%) Data Warehouse
8 5 (2.05%) SQL Server Reporting Services
9 3 (1.23%) Big Data
9 3 (1.23%) Biml
9 3 (1.23%) Flink
9 3 (1.23%) Oracle Database
9 3 (1.23%) SQL Server Analysis Services
10 2 (0.82%) BusinessObjects Business Intelligence
10 2 (0.82%) Neo4j
10 2 (0.82%) SQL Server 2012
Development Applications
1 18 (7.38%) Git (software)
2 15 (6.15%) TeamCity
3 11 (4.51%) webpack
4 10 (4.10%) Jenkins
4 10 (4.10%) Maven
4 10 (4.10%) Mocha
5 7 (2.87%) Cucumber
6 6 (2.46%) Jasmine
6 6 (2.46%) Selenium
7 5 (2.05%) JIRA
7 5 (2.05%) Visual Studio
8 4 (1.64%) Cypress.io
8 4 (1.64%) GitLab
8 4 (1.64%) Mockito
9 3 (1.23%) Babel
9 3 (1.23%) CircleCI
9 3 (1.23%) JConsole
9 3 (1.23%) JProfiler
9 3 (1.23%) Team Foundation Server
9 3 (1.23%) VisualVM
General
1 63 (25.82%) Finance
2 40 (16.39%) Banking
3 27 (11.07%) Front Office
4 11 (4.51%) Investment Banking
5 5 (2.05%) Retail
6 3 (1.23%) Law
7 2 (0.82%) Financial Institution
7 2 (0.82%) Games
7 2 (0.82%) Publishing
8 1 (0.41%) Advertising
8 1 (0.41%) Automotive
8 1 (0.41%) Legal
8 1 (0.41%) Marketing
8 1 (0.41%) Public Sector
8 1 (0.41%) Telecoms
Libraries, Frameworks & Software Standards
1 57 (23.36%) CSS
2 52 (21.31%) Node.js
3 44 (18.03%) React
4 37 (15.16%) HTML
5 30 (12.30%) Redux
6 28 (11.48%) GraphQL
7 26 (10.66%) .NET
7 26 (10.66%) AngularJS
8 21 (8.61%) RESTful
9 19 (7.79%) Jest
9 19 (7.79%) Spring
10 13 (5.33%) Spring Boot
11 12 (4.92%) REST
11 12 (4.92%) Web Services
12 11 (4.51%) D3.js
13 10 (4.10%) Chai
14 9 (3.69%) Django
14 9 (3.69%) JSON
14 9 (3.69%) Kafka
15 8 (3.28%) FIX Protocol
Miscellaneous
1 37 (15.16%) User Experience
2 27 (11.07%) Data Structures
2 27 (11.07%) Greenfield Project
3 26 (10.66%) Analytical Skills
4 23 (9.43%) Algorithms
5 15 (6.15%) Equities
6 10 (4.10%) Foreign Exchange (FX)
7 9 (3.69%) iPad
8 8 (3.28%) Fixed Income
8 8 (3.28%) Mobile App
9 5 (2.05%) Derivative
9 5 (2.05%) Public Cloud
10 4 (1.64%) Management Information System
11 2 (0.82%) Data Centre
11 2 (0.82%) Enterprise Software
11 2 (0.82%) Equity Derivative
11 2 (0.82%) Self-Motivation
12 1 (0.41%) BYOD
12 1 (0.41%) Cyberthreat
12 1 (0.41%) Linux Command Line
Operating Systems
1 11 (4.51%) Linux
2 9 (3.69%) Apple iOS
3 6 (2.46%) Android
3 6 (2.46%) Unix
4 2 (0.82%) Windows
5 1 (0.41%) Mac OS X
5 1 (0.41%) VMS
Processes & Methodologies
1 138 (56.56%) Agile Software Development
2 65 (26.64%) TDD
3 47 (19.26%) Test Automation
4 36 (14.75%) Microservices
5 33 (13.52%) OO
6 31 (12.70%) Problem-Solving
7 28 (11.48%) Computer Science
8 27 (11.07%) Scrum
9 26 (10.66%) E-Commerce
10 25 (10.25%) Unit Testing
11 23 (9.43%) BDD
11 23 (9.43%) Pair Programming
12 21 (8.61%) OOD
12 21 (8.61%) Visualisation
13 20 (8.20%) Continuous Integration
14 19 (7.79%) Multithreading
15 18 (7.38%) Analytics
15 18 (7.38%) DevOps
15 18 (7.38%) SDLC
16 16 (6.56%) Software Engineering
Programming Languages
1 98 (40.16%) JavaScript
2 69 (28.28%) Java
3 46 (18.85%) SQL
4 39 (15.98%) Python
5 24 (9.84%) C#
5 24 (9.84%) TypeScript
6 18 (7.38%) C++
7 13 (5.33%) ES6
8 11 (4.51%) PHP
8 11 (4.51%) Ruby
9 8 (3.28%) Scala
9 8 (3.28%) T-SQL
10 7 (2.87%) Java 8
10 7 (2.87%) Kotlin
11 6 (2.46%) Apple Swift
12 5 (2.05%) C
13 4 (1.64%) PL/SQL
14 3 (1.23%) Objective-C
14 3 (1.23%) Shell Script
14 3 (1.23%) VB.NET
Qualifications
1 6 (2.46%) Security Cleared
2 5 (2.05%) Degree
2 5 (2.05%) SC Cleared
3 3 (1.23%) Computer Science Degree
4 1 (0.41%) BC Cleared
4 1 (0.41%) BPSS Clearance
Quality Assurance & Compliance
1 7 (2.87%) QA
2 1 (0.41%) WCAG
System Software
1 29 (11.89%) Docker
2 2 (0.82%) Active Directory
3 1 (0.41%) Firmware
Systems Management
1 27 (11.07%) Kubernetes
2 18 (7.38%) Terraform
3 3 (1.23%) Ansible
4 2 (0.82%) Kibana
4 2 (0.82%) logstash
4 2 (0.82%) Single Sign-On
Vendors
1 11 (4.51%) Microsoft
2 9 (3.69%) Oracle
3 7 (2.87%) Solace
4 6 (2.46%) Google
5 3 (1.23%) Salesforce.com
5 3 (1.23%) SAP
5 3 (1.23%) Vermilion
6 2 (0.82%) Facebook
6 2 (0.82%) ION Trading
6 2 (0.82%) Tableau
6 2 (0.82%) WSO2
7 1 (0.41%) Apple
7 1 (0.41%) Atlassian
7 1 (0.41%) Blue Prism
7 1 (0.41%) CA
7 1 (0.41%) IBM
7 1 (0.41%) MuleSoft
7 1 (0.41%) Twitter
7 1 (0.41%) Workday
7 1 (0.41%) Zend