Period
to 1 June 2020

The median contractor rate for a Senior Developer was £600 per day in advertised job vacancies in the City of London during the 6 months to 1 June 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
1 Jun 2020
Same period 2019 Same period 2018
Rank 90 56 42
Rank change year-on-year -34 -14 -9
Contract jobs requiring a Senior Developer 61 269 369
As % of all contract jobs advertised in the City of London 2.03% 4.16% 5.30%
As % of the Job Titles category 2.16% 4.44% 5.59%
Number of daily rates quoted 51 244 340
Median daily rate £600 £550 £550
Median daily rate % change year-on-year +9.09% - -0.09%
10th Percentile £425 £413 £425
90th Percentile £775 £712 £738
Central London median daily rate £573 £550 £550
% change year-on-year +4.09% - -
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
Central London median hourly rate - - -

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 2,819 6,062 6,601
% of contract IT jobs with a recognized job title 93.62% 93.69% 94.75%
Number of daily rates quoted 2,026 4,674 5,204
Median daily rate £500 £523 £500
Median daily rate % change year-on-year -4.31% +4.50% +4.17%
10th Percentile £300 £318 £313
90th Percentile £675 £675 £688
Central London median daily rate £500 £513 £500
% change year-on-year -2.44% +2.50% +5.26%
Number of hourly rates quoted 64 66 111
Median hourly rate £29.88 £20.82 £18.70
Median hourly rate % change year-on-year +43.47% +11.35% +10.28%
10th Percentile £12.50 £11.25 £12.00
90th Percentile £52.25 £56.50 £33.75
Median hourly rate £32.53 £20.25 £19.00
% change year-on-year +60.62% +6.58% +15.45%

Senior Developer
Job Vacancy Trend in the City of London

Job postings that featured Senior Developer in the job title as a proportion 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

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

Daily rate trend for Senior Developer in the City of London

Senior Developer
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Senior Developer in the City of London over the 6 months to 1 June 2020.

Daily rate histogram for Senior Developer in the City of London

Senior Developer
Contractor Hourly Rate Trend in the City of London

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

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 1 June 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 28 (45.90%) Agile Software Development
2 24 (39.34%) JavaScript
3 20 (32.79%) Java
4 14 (22.95%) C#
5 13 (21.31%) .NET
5 13 (21.31%) Microservices
6 12 (19.67%) SQL Server
6 12 (19.67%) CSS
6 12 (19.67%) Azure
7 11 (18.03%) Finance
7 11 (18.03%) HTML
7 11 (18.03%) Node.js
8 10 (16.39%) React
8 10 (16.39%) SQL
8 10 (16.39%) Python
8 10 (16.39%) PostgreSQL
8 10 (16.39%) Microsoft
8 10 (16.39%) Banking
9 9 (14.75%) TDD
9 9 (14.75%) Redux
9 9 (14.75%) DevOps
10 8 (13.11%) Analytics
10 8 (13.11%) Spring
10 8 (13.11%) Front Office
11 7 (11.48%) Ruby
11 7 (11.48%) SQL Server Analysis Services
11 7 (11.48%) AWS
11 7 (11.48%) Foreign Exchange (FX)
11 7 (11.48%) Kubernetes
11 7 (11.48%) Front End Development

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 5 (8.20%) Elasticsearch
2 3 (4.92%) Apache Spark
3 1 (1.64%) Apache
3 1 (1.64%) SharePoint
3 1 (1.64%) WordPress
Applications
1 1 (1.64%) Microsoft Excel
Cloud Services
1 12 (19.67%) Azure
2 7 (11.48%) AWS
3 4 (6.56%) Power Platform
4 3 (4.92%) AWS Lambda
4 3 (4.92%) GitHub
4 3 (4.92%) Serverless
5 2 (3.28%) GCP
5 2 (3.28%) npm
6 1 (1.64%) Azure Data Factory
6 1 (1.64%) Data Lake Analytics
Communications & Networking
1 2 (3.28%) Multicast
2 1 (1.64%) AMQP
Database & Business Intelligence
1 12 (19.67%) SQL Server
2 10 (16.39%) PostgreSQL
3 7 (11.48%) SQL Server Analysis Services
4 6 (9.84%) Data Warehouse
4 6 (9.84%) NoSQL
4 6 (9.84%) SQL Server Reporting Services
5 5 (8.20%) SQL Server Integration Services
6 4 (6.56%) Power BI
6 4 (6.56%) Relational Database
7 3 (4.92%) MongoDB
7 3 (4.92%) MySQL
7 3 (4.92%) Redis
8 2 (3.28%) Apache Cassandra
8 2 (3.28%) Flink
8 2 (3.28%) Hadoop
9 1 (1.64%) Amazon DynamoDB
9 1 (1.64%) Apache Hive
9 1 (1.64%) Big Data
9 1 (1.64%) SQL Server 2008
9 1 (1.64%) SQL Server 2012
Development Applications
1 5 (8.20%) GitLab
2 2 (3.28%) Cypress.io
2 2 (3.28%) Git (software)
2 2 (3.28%) Jenkins
2 2 (3.28%) minitest
2 2 (3.28%) RSpec
2 2 (3.28%) Visual Studio
3 1 (1.64%) Jasmine
3 1 (1.64%) JIRA
3 1 (1.64%) JUnit
3 1 (1.64%) Mockito
3 1 (1.64%) Octopus Deploy
3 1 (1.64%) PhantomJS
3 1 (1.64%) Selenium
3 1 (1.64%) TeamCity
General
1 11 (18.03%) Finance
2 10 (16.39%) Banking
3 8 (13.11%) Front Office
4 5 (8.20%) Investment Banking
5 3 (4.92%) Marketing
6 2 (3.28%) Advertising
7 1 (1.64%) Games
7 1 (1.64%) Law
7 1 (1.64%) Legal
7 1 (1.64%) Public Sector
Libraries, Frameworks & Software Standards
1 13 (21.31%) .NET
2 12 (19.67%) CSS
3 11 (18.03%) HTML
3 11 (18.03%) Node.js
4 10 (16.39%) React
5 9 (14.75%) Redux
6 8 (13.11%) Spring
7 4 (6.56%) AngularJS
7 4 (6.56%) GraphQL
7 4 (6.56%) Hibernate
7 4 (6.56%) Kafka
8 3 (4.92%) .NET Core
8 3 (4.92%) Jest
8 3 (4.92%) Spring Boot
8 3 (4.92%) Vue.js
8 3 (4.92%) Web Services
9 2 (3.28%) ASP.NET
9 2 (3.28%) HTML5
9 2 (3.28%) RESTful
9 2 (3.28%) RxJS
Miscellaneous
1 7 (11.48%) Foreign Exchange (FX)
2 5 (8.20%) Greenfield Project
3 4 (6.56%) Analytical Skills
3 4 (6.56%) Fixed Income
4 2 (3.28%) Mobile App
4 2 (3.28%) User Experience
5 1 (1.64%) BYOD
5 1 (1.64%) Cloud Native
5 1 (1.64%) Cyberthreat
5 1 (1.64%) Enterprise Software
5 1 (1.64%) Hedge funds
5 1 (1.64%) NHS
5 1 (1.64%) Public Cloud
5 1 (1.64%) Self-Motivation
Operating Systems
1 4 (6.56%) Windows
2 3 (4.92%) Android
3 2 (3.28%) Apple iOS
4 1 (1.64%) Linux
4 1 (1.64%) Unix
4 1 (1.64%) Windows Server
Processes & Methodologies
1 28 (45.90%) Agile Software Development
2 13 (21.31%) Microservices
3 9 (14.75%) DevOps
3 9 (14.75%) TDD
4 8 (13.11%) Analytics
5 7 (11.48%) Front End Development
6 6 (9.84%) Deployment Automation
6 6 (9.84%) Scrum
7 5 (8.20%) Business Intelligence
7 5 (8.20%) Continuous Improvement
7 5 (8.20%) E-Commerce
7 5 (8.20%) Software Engineering
7 5 (8.20%) Test Automation
8 4 (6.56%) BDD
8 4 (6.56%) Continuous Deployment
8 4 (6.56%) Electronic Trading
8 4 (6.56%) Multithreading
8 4 (6.56%) Pair Programming
8 4 (6.56%) SDLC
8 4 (6.56%) Web Development
Programming Languages
1 24 (39.34%) JavaScript
2 20 (32.79%) Java
3 14 (22.95%) C#
4 10 (16.39%) Python
4 10 (16.39%) SQL
5 7 (11.48%) Ruby
6 5 (8.20%) Scala
6 5 (8.20%) TypeScript
7 3 (4.92%) T-SQL
8 2 (3.28%) Go
8 2 (3.28%) Kotlin
8 2 (3.28%) PL/SQL
9 1 (1.64%) ES6
9 1 (1.64%) Java 8
9 1 (1.64%) Perl
9 1 (1.64%) PHP
9 1 (1.64%) Shell Script
9 1 (1.64%) VBA
9 1 (1.64%) VC++
Qualifications
1 4 (6.56%) Security Cleared
2 3 (4.92%) Degree
2 3 (4.92%) SC Cleared
3 1 (1.64%) BC Cleared
3 1 (1.64%) BPSS Clearance
3 1 (1.64%) Computer Science Degree
Quality Assurance & Compliance
1 4 (6.56%) QA
2 1 (1.64%) Data Quality
System Software
1 5 (8.20%) Docker
2 1 (1.64%) Active Directory
Systems Management
1 7 (11.48%) Kubernetes
2 2 (3.28%) Terraform
3 1 (1.64%) Ansible
3 1 (1.64%) Kibana
3 1 (1.64%) logstash
Vendors
1 10 (16.39%) Microsoft
2 5 (8.20%) Oracle
3 4 (6.56%) Google
4 2 (3.28%) Facebook
5 1 (1.64%) Okta
5 1 (1.64%) Tableau