Period
to 26 February 2020

The median contractor rate for a Senior Developer was £573 per day in advertised job vacancies in the City of London during the 6 months to 26 February 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
Central London > City of London
6 months to
26 Feb 2020
Same period 2019 Same period 2018
Rank 67 43 36
Rank change year-on-year -24 -7 -3
Contract jobs requiring a Senior Developer 143 356 379
As % of all contract IT jobs advertised in the City of London 3.05% 5.20% 5.37%
As % of the Job Titles category 3.28% 5.49% 5.69%
Number of daily rates quoted 107 307 344
City of London median daily rate £573 £550 £575
Median daily rate % change year-on-year +4.09% -4.35% +4.55%
10th Percentile £425 £429 £428
90th Percentile £725 £700 £775
Central London median daily rate £570 £550 £553
% change year-on-year +3.64% -0.45% +0.45%
Number of hourly rates quoted 0 0 1
City of London median hourly rate - - £65.00
Central London median hourly rate - - £65.00

The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies advertised in the City of 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
City of London
Contract vacancies in the City of London with a recognized job title 4,361 6,481 6,661
% of contract IT jobs with a recognized job title 93.16% 94.72% 94.42%
Number of daily rates quoted 3,309 5,066 5,281
City of London median daily rate £500 £500 £500
10th Percentile £300 £306 £313
90th Percentile £675 £675 £688
Central London median daily rate £500 £500 £500
Number of hourly rates quoted 75 72 99
City of London median hourly rate £21.00 £18.70 £17.30
Median hourly rate % change year-on-year +12.30% +8.09% -5.72%
10th Percentile £12.50 £12.30 £11.25
90th Percentile £50.47 £35.00 £34.05
Central London median hourly rate £22.33 £18.70 £18.70
% change year-on-year +19.41% - +5.69%

Senior Developer
Job Vacancy Trend in the City of London

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

Job vacancy trend for Senior Developer in the City of London

Senior Developer
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 Senior Developer in the City of London.

Contractor daily rate trend for Senior Developer in the City of London

Senior Developer
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Senior Developer in the City of London over the 6 months to 26 February 2020.

Contractor daily rate histogram for Senior Developer in the City of London

Senior Developer
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 Senior Developer in the City of London.

Contractor hourly rate trend for Senior Developer in the City of London

Senior Developer Skill Set
Top 30 Co-occurring IT Skills in the City of London

For the 6 months to 26 February 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 City of London region featuring Senior Developer in the job title.

1 81 (56.64%) Agile Software Development
2 57 (39.86%) Java
3 46 (32.17%) JavaScript
4 45 (31.47%) TDD
5 35 (24.48%) Banking
6 30 (20.98%) Finance
7 28 (19.58%) HTML
7 28 (19.58%) CSS
7 28 (19.58%) Microservices
8 27 (18.88%) SQL
9 25 (17.48%) Front Office
10 24 (16.78%) Python
11 23 (16.08%) Test Automation
12 22 (15.38%) C#
13 21 (14.69%) .NET
13 21 (14.69%) Greenfield Project
14 20 (13.99%) AWS
15 19 (13.29%) Multithreading
15 19 (13.29%) Scrum
16 18 (12.59%) C++
16 18 (12.59%) Unit Testing
16 18 (12.59%) AngularJS
17 17 (11.89%) Azure
17 17 (11.89%) Spring
17 17 (11.89%) Analytics
18 16 (11.19%) Kubernetes
18 16 (11.19%) Docker
19 15 (10.49%) Equities
19 15 (10.49%) Pair Programming
19 15 (10.49%) SQL Server

Senior Developer Skill Set
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 6 (4.20%) Apache Spark
2 5 (3.50%) Elasticsearch
3 2 (1.40%) CMS
4 1 (0.70%) Apache
4 1 (0.70%) Confluence
4 1 (0.70%) Drupal
4 1 (0.70%) NServiceBus
4 1 (0.70%) WordPress
Applications
1 1 (0.70%) Microsoft PowerPoint
1 1 (0.70%) MS Visio
Business Applications
1 2 (1.40%) ION MarketView
Cloud Services
1 20 (13.99%) AWS
2 17 (11.89%) Azure
3 6 (4.20%) Cloud Computing
4 4 (2.80%) GCP
4 4 (2.80%) Serverless
5 3 (2.10%) AWS Lambda
5 3 (2.10%) SaaS
6 2 (1.40%) Firebase
6 2 (1.40%) iPaaS
6 2 (1.40%) PaaS
7 1 (0.70%) Amazon EKS
7 1 (0.70%) Amazon SQS
7 1 (0.70%) AWS Step Functions
7 1 (0.70%) Azure Functions
7 1 (0.70%) Data Lake Analytics
7 1 (0.70%) npm
7 1 (0.70%) OpenShift
7 1 (0.70%) Power Platform
Communications & Networking
1 9 (6.29%) Multicast
2 2 (1.40%) HTTP
3 1 (0.70%) AMQP
3 1 (0.70%) FTP
3 1 (0.70%) Internet
3 1 (0.70%) SMTP
3 1 (0.70%) SSH
Database & Business Intelligence
1 15 (10.49%) SQL Server
2 13 (9.09%) NoSQL
3 12 (8.39%) MySQL
4 9 (6.29%) Relational Database
5 7 (4.90%) Apache Cassandra
5 7 (4.90%) KDB
5 7 (4.90%) Kdb+
6 6 (4.20%) Data Warehouse
6 6 (4.20%) PostgreSQL
7 5 (3.50%) SQL Server Integration Services
7 5 (3.50%) SQL Server Reporting Services
8 4 (2.80%) Flink
8 4 (2.80%) MongoDB
9 3 (2.10%) Biml
9 3 (2.10%) SQL Server Analysis Services
10 2 (1.40%) Hadoop
10 2 (1.40%) Neo4j
10 2 (1.40%) Oracle Database
10 2 (1.40%) Redis
10 2 (1.40%) SQL Server 2012
Development Applications
1 12 (8.39%) Git (software)
1 12 (8.39%) TeamCity
2 9 (6.29%) Maven
3 8 (5.59%) Jenkins
4 5 (3.50%) JIRA
4 5 (3.50%) Visual Studio
5 4 (2.80%) GitLab
6 3 (2.10%) Cucumber
6 3 (2.10%) JConsole
6 3 (2.10%) JProfiler
6 3 (2.10%) Mockito
6 3 (2.10%) VisualVM
7 2 (1.40%) Babel
7 2 (1.40%) Flyway
7 2 (1.40%) PHPUnit
7 2 (1.40%) Selenium
7 2 (1.40%) Team Foundation Server
7 2 (1.40%) webpack
8 1 (0.70%) NUnit
8 1 (0.70%) Subversion
General
1 35 (24.48%) Banking
2 30 (20.98%) Finance
3 25 (17.48%) Front Office
4 12 (8.39%) Investment Banking
5 3 (2.10%) Marketing
6 2 (1.40%) Advertising
6 2 (1.40%) Financial Institution
6 2 (1.40%) Law
7 1 (0.70%) Games
7 1 (0.70%) Legal
7 1 (0.70%) Public Sector
7 1 (0.70%) Retail
Libraries, Frameworks & Software Standards
1 28 (19.58%) CSS
1 28 (19.58%) HTML
2 21 (14.69%) .NET
3 18 (12.59%) AngularJS
4 17 (11.89%) Spring
5 13 (9.09%) Node.js
5 13 (9.09%) React
5 13 (9.09%) RESTful
6 12 (8.39%) Spring Boot
7 9 (6.29%) Kafka
8 7 (4.90%) FIX Protocol
8 7 (4.90%) Web Services
9 6 (4.20%) Redux
10 5 (3.50%) Vue.js
11 4 (2.80%) .NET Core
11 4 (2.80%) Django
11 4 (2.80%) Flask
11 4 (2.80%) HTML5
11 4 (2.80%) REST
11 4 (2.80%) Symfony
Miscellaneous
1 21 (14.69%) Greenfield Project
2 15 (10.49%) Equities
3 10 (6.99%) Foreign Exchange (FX)
4 9 (6.29%) Data Structures
4 9 (6.29%) User Experience
5 8 (5.59%) Analytical Skills
5 8 (5.59%) iPad
6 6 (4.20%) Fixed Income
7 5 (3.50%) Derivative
8 4 (2.80%) Algorithms
8 4 (2.80%) Management Information System
9 3 (2.10%) Mobile App
9 3 (2.10%) Public Cloud
10 2 (1.40%) Data Centre
10 2 (1.40%) Enterprise Software
10 2 (1.40%) Equity Derivative
11 1 (0.70%) BYOD
11 1 (0.70%) Cyberthreat
11 1 (0.70%) Robotics
11 1 (0.70%) Self-Motivation
Operating Systems
1 5 (3.50%) Android
2 4 (2.80%) Apple iOS
2 4 (2.80%) Linux
2 4 (2.80%) Unix
3 2 (1.40%) Windows
4 1 (0.70%) Mac OS X
Processes & Methodologies
1 81 (56.64%) Agile Software Development
2 45 (31.47%) TDD
3 28 (19.58%) Microservices
4 23 (16.08%) Test Automation
5 19 (13.29%) Multithreading
5 19 (13.29%) Scrum
6 18 (12.59%) Unit Testing
7 17 (11.89%) Analytics
8 15 (10.49%) BDD
8 15 (10.49%) Pair Programming
9 14 (9.79%) Low Latency
9 14 (9.79%) OO
9 14 (9.79%) SDLC
10 13 (9.09%) E-Commerce
11 12 (8.39%) Continuous Integration
11 12 (8.39%) Performance Tuning
11 12 (8.39%) Software Engineering
12 10 (6.99%) Business Intelligence
12 10 (6.99%) Visualisation
13 9 (6.29%) Memory Management
Programming Languages
1 57 (39.86%) Java
2 46 (32.17%) JavaScript
3 27 (18.88%) SQL
4 24 (16.78%) Python
5 22 (15.38%) C#
6 18 (12.59%) C++
7 8 (5.59%) Ruby
8 7 (4.90%) PHP
8 7 (4.90%) T-SQL
9 6 (4.20%) Scala
9 6 (4.20%) TypeScript
10 5 (3.50%) Kotlin
11 4 (2.80%) C
11 4 (2.80%) Java 8
11 4 (2.80%) PL/SQL
12 3 (2.10%) Clojure
12 3 (2.10%) ClojureScript
12 3 (2.10%) Shell Script
13 2 (1.40%) ES6
13 2 (1.40%) VB.NET
Qualifications
1 4 (2.80%) Degree
1 4 (2.80%) Security Cleared
2 3 (2.10%) SC Cleared
3 2 (1.40%) Computer Science Degree
4 1 (0.70%) BC Cleared
4 1 (0.70%) BPSS Clearance
Quality Assurance & Compliance
1 7 (4.90%) QA
2 1 (0.70%) WCAG
System Software
1 16 (11.19%) Docker
Systems Management
1 16 (11.19%) Kubernetes
2 6 (4.20%) Terraform
3 3 (2.10%) Kibana
3 3 (2.10%) logstash
4 2 (1.40%) Ansible
Vendors
1 10 (6.99%) Oracle
2 8 (5.59%) Microsoft
3 7 (4.90%) Google
3 7 (4.90%) Solace
4 3 (2.10%) Vermilion
5 2 (1.40%) ION Trading
5 2 (1.40%) Tableau
6 1 (0.70%) Apple
6 1 (0.70%) Atlassian
6 1 (0.70%) Automation Anywhere
6 1 (0.70%) Blue Prism
6 1 (0.70%) CA
6 1 (0.70%) Facebook
6 1 (0.70%) IBM
6 1 (0.70%) Okta
6 1 (0.70%) Salesforce.com
6 1 (0.70%) UiPath