Period
to 7 December 2019

The median contractor rate for a Senior Developer was £550 per day in advertised job vacancies in the City of London during the 6 months to 7 December 2019.

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
7 Dec 2019
Same period 2018 Same period 2017
Rank 60 34 34
Rank change year-on-year -26 0 -2
Contract jobs requiring a Senior Developer 209 405 386
As % of all contract IT jobs advertised in the City of London 3.70% 5.68% 5.36%
As % of the Job Titles category 3.97% 5.96% 5.65%
Number of daily rates quoted 168 350 349
City of London median daily rate £550 £575 £600
Median daily rate % change year-on-year -4.35% -4.17% +9.09%
10th Percentile £425 £456 £463
90th Percentile £700 £713 £763
Central London median daily rate £550 £575 £575
% change year-on-year -4.35% - +7.23%
Number of hourly rates quoted 0 0 1
City of London median hourly rate - - £65.00
Central London median hourly rate - - £50.25

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 5,263 6,798 6,827
% of contract IT jobs with a recognized job title 93.23% 95.33% 94.73%
Number of daily rates quoted 4,103 5,371 5,413
City of London median daily rate £512 £500 £500
Median daily rate % change year-on-year +2.40% - +5.26%
10th Percentile £311 £300 £313
90th Percentile £675 £675 £688
Central London median daily rate £500 £500 £500
Number of hourly rates quoted 64 110 93
City of London median hourly rate £20.25 £18.70 £17.00
Median hourly rate % change year-on-year +8.29% +10.00% -6.08%
10th Percentile £12.04 £13.00 £11.25
90th Percentile £50.67 £25.70 £30.75
Central London median hourly rate £20.50 £18.70 £18.10
% change year-on-year +9.63% +3.31% +4.35%

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 7 December 2019.

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
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 Senior Developer within the City of London region over the 6 months to 7 December 2019. 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 1 £575 -
Senior Developer
Central London

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

For the 6 months to 7 December 2019, 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.

1 114 (54.55%) Agile Software Development
2 84 (40.19%) Java
3 74 (35.41%) TDD
4 66 (31.58%) JavaScript
5 51 (24.40%) Microservices
6 48 (22.97%) SQL
7 43 (20.57%) Finance
8 42 (20.10%) CSS
8 42 (20.10%) Banking
9 41 (19.62%) .NET
10 38 (18.18%) C#
10 38 (18.18%) AngularJS
11 35 (16.75%) HTML
11 35 (16.75%) AWS
12 33 (15.79%) Test Automation
12 33 (15.79%) Front Office
13 32 (15.31%) Azure
14 31 (14.83%) Python
15 30 (14.35%) Scrum
16 29 (13.88%) Docker
16 29 (13.88%) BDD
17 28 (13.40%) Greenfield Project
18 26 (12.44%) Unit Testing
18 26 (12.44%) Continuous Integration
19 25 (11.96%) Software Engineering
19 25 (11.96%) SDLC
20 24 (11.48%) Node.js
21 23 (11.00%) React
21 23 (11.00%) Spring
22 22 (10.53%) 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 (2.87%) Apache Spark
2 4 (1.91%) Elasticsearch
3 3 (1.44%) Confluence
4 2 (0.96%) CMS
4 2 (0.96%) Magnolia
5 1 (0.48%) BizTalk Server
5 1 (0.48%) Cloud Foundry
5 1 (0.48%) Drupal
5 1 (0.48%) IIS
5 1 (0.48%) NServiceBus
5 1 (0.48%) Oracle Workflow
5 1 (0.48%) SharePoint
5 1 (0.48%) Tomcat
5 1 (0.48%) WebLogic
Applications
1 1 (0.48%) Microsoft Excel
1 1 (0.48%) Microsoft Office
1 1 (0.48%) Microsoft PowerPoint
1 1 (0.48%) MS Visio
Business Applications
1 2 (0.96%) ION MarketView
2 1 (0.48%) Dynamics AX
2 1 (0.48%) Dynamics CRM
2 1 (0.48%) Dynamics NAV
2 1 (0.48%) NetSuite
Cloud Services
1 35 (16.75%) AWS
2 32 (15.31%) Azure
3 9 (4.31%) Cloud Computing
4 7 (3.35%) GCP
4 7 (3.35%) Serverless
5 6 (2.87%) SaaS
6 3 (1.44%) PaaS
7 2 (0.96%) Amazon S3
7 2 (0.96%) Azure Functions
7 2 (0.96%) Firebase
7 2 (0.96%) GitHub
7 2 (0.96%) iPaaS
7 2 (0.96%) npm
7 2 (0.96%) Office 365
7 2 (0.96%) OpenShift
7 2 (0.96%) Power Platform
8 1 (0.48%) Amazon EKS
8 1 (0.48%) Apigee
8 1 (0.48%) AWS Fargate
8 1 (0.48%) AWS Step Functions
Communications & Networking
1 7 (3.35%) Multicast
2 3 (1.44%) HTTP
3 2 (0.96%) Internet
4 1 (0.48%) FTP
4 1 (0.48%) SMTP
4 1 (0.48%) SSH
Database & Business Intelligence
1 22 (10.53%) SQL Server
2 15 (7.18%) MySQL
3 13 (6.22%) NoSQL
4 10 (4.78%) Relational Database
5 9 (4.31%) KDB
6 8 (3.83%) Kdb+
7 6 (2.87%) Apache Cassandra
8 5 (2.39%) Big Data
8 5 (2.39%) SQL Server Integration Services
9 4 (1.91%) Data Lake
9 4 (1.91%) MongoDB
10 3 (1.44%) Data Warehouse
10 3 (1.44%) Oracle Database
10 3 (1.44%) PostgreSQL
11 2 (0.96%) Biml
11 2 (0.96%) BusinessObjects
11 2 (0.96%) Flink
11 2 (0.96%) Hadoop
11 2 (0.96%) Neo4j
11 2 (0.96%) SQL Server Reporting Services
Development Applications
1 20 (9.57%) Git (software)
2 19 (9.09%) TeamCity
3 15 (7.18%) Maven
4 14 (6.70%) Jenkins
5 9 (4.31%) JIRA
6 8 (3.83%) Babel
7 7 (3.35%) Mockito
7 7 (3.35%) webpack
8 6 (2.87%) Team Foundation Server
8 6 (2.87%) Visual Studio
9 4 (1.91%) Atlassian Bamboo
10 3 (1.44%) Bitbucket
10 3 (1.44%) Cucumber
10 3 (1.44%) Gradle
10 3 (1.44%) Jasmine
10 3 (1.44%) JConsole
10 3 (1.44%) JProfiler
10 3 (1.44%) JUnit
10 3 (1.44%) Selenium
10 3 (1.44%) Subversion
General
1 43 (20.57%) Finance
2 42 (20.10%) Banking
3 33 (15.79%) Front Office
4 12 (5.74%) Investment Banking
5 4 (1.91%) Games
5 4 (1.91%) Law
6 3 (1.44%) Retail
7 2 (0.96%) Financial Institution
8 1 (0.48%) Advertising
8 1 (0.48%) Automotive
8 1 (0.48%) Legal
8 1 (0.48%) Marketing
8 1 (0.48%) Publishing
8 1 (0.48%) Telecoms
Libraries, Frameworks & Software Standards
1 42 (20.10%) CSS
2 41 (19.62%) .NET
3 38 (18.18%) AngularJS
4 35 (16.75%) HTML
5 24 (11.48%) Node.js
6 23 (11.00%) React
6 23 (11.00%) Spring
7 20 (9.57%) RESTful
8 18 (8.61%) REST
9 15 (7.18%) Spring Boot
9 15 (7.18%) Web Services
10 12 (5.74%) JSON
10 12 (5.74%) Redux
11 11 (5.26%) ASP.NET Web API
12 9 (4.31%) HTML5
12 9 (4.31%) Kafka
13 8 (3.83%) .NET Core
13 8 (3.83%) FIX Protocol
13 8 (3.83%) Sass
13 8 (3.83%) Vue.js
Miscellaneous
1 28 (13.40%) Greenfield Project
2 15 (7.18%) Equities
3 13 (6.22%) Foreign Exchange (FX)
4 12 (5.74%) User Experience
5 9 (4.31%) Analytical Skills
5 9 (4.31%) Data Structures
6 8 (3.83%) iPad
7 6 (2.87%) Algorithms
8 5 (2.39%) Derivative
8 5 (2.39%) Fixed Income
9 4 (1.91%) Management Information System
9 4 (1.91%) Mobile App
10 3 (1.44%) Data Centre
10 3 (1.44%) Enterprise Software
11 2 (0.96%) Equity Derivative
11 2 (0.96%) Public Cloud
11 2 (0.96%) Robotics
11 2 (0.96%) Self-Motivation
12 1 (0.48%) Credit Risk
12 1 (0.48%) iSeries
Operating Systems
1 8 (3.83%) Linux
2 6 (2.87%) Android
3 4 (1.91%) Apple iOS
3 4 (1.91%) Unix
3 4 (1.91%) Windows
4 2 (0.96%) Mac OS
5 1 (0.48%) Mac OS X
Processes & Methodologies
1 114 (54.55%) Agile Software Development
2 74 (35.41%) TDD
3 51 (24.40%) Microservices
4 33 (15.79%) Test Automation
5 30 (14.35%) Scrum
6 29 (13.88%) BDD
7 26 (12.44%) Continuous Integration
7 26 (12.44%) Unit Testing
8 25 (11.96%) SDLC
8 25 (11.96%) Software Engineering
9 21 (10.05%) Pair Programming
10 19 (9.09%) Analytics
11 18 (8.61%) DevOps
11 18 (8.61%) Multithreading
11 18 (8.61%) OO
12 16 (7.66%) E-Commerce
13 15 (7.18%) Business Intelligence
14 12 (5.74%) Dependency Injection
14 12 (5.74%) Kanban
14 12 (5.74%) Low Latency
Programming Languages
1 84 (40.19%) Java
2 66 (31.58%) JavaScript
3 48 (22.97%) SQL
4 38 (18.18%) C#
5 31 (14.83%) Python
6 20 (9.57%) C++
7 13 (6.22%) Scala
8 11 (5.26%) Java 8
9 10 (4.78%) ES6
9 10 (4.78%) Kotlin
9 10 (4.78%) PHP
9 10 (4.78%) T-SQL
9 10 (4.78%) TypeScript
10 5 (2.39%) C
10 5 (2.39%) VB.NET
11 3 (1.44%) Clojure
11 3 (1.44%) ClojureScript
11 3 (1.44%) PL/SQL
11 3 (1.44%) Ruby
12 2 (0.96%) Apple Swift
Qualifications
1 5 (2.39%) SC Cleared
1 5 (2.39%) Security Cleared
2 4 (1.91%) Degree
3 2 (0.96%) Computer Science Degree
Quality Assurance & Compliance
1 7 (3.35%) QA
2 1 (0.48%) WCAG
System Software
1 29 (13.88%) Docker
2 1 (0.48%) Active Directory
2 1 (0.48%) Firmware
Systems Management
1 22 (10.53%) Kubernetes
2 12 (5.74%) Terraform
3 4 (1.91%) Ansible
4 2 (0.96%) Kibana
4 2 (0.96%) logstash
4 2 (0.96%) Single Sign-On
5 1 (0.48%) Docker Swarm
5 1 (0.48%) Grafana
5 1 (0.48%) Prometheus
Vendors
1 14 (6.70%) Microsoft
2 11 (5.26%) Oracle
3 8 (3.83%) Google
4 7 (3.35%) Solace
5 3 (1.44%) Salesforce.com
5 3 (1.44%) Vermilion
6 2 (0.96%) Facebook
6 2 (0.96%) ION Trading
6 2 (0.96%) New Relic
6 2 (0.96%) SAP
7 1 (0.48%) Apple
7 1 (0.48%) Atlassian
7 1 (0.48%) Blue Prism
7 1 (0.48%) CA
7 1 (0.48%) hybris
7 1 (0.48%) IBM
7 1 (0.48%) Tableau
7 1 (0.48%) VMware
7 1 (0.48%) WSO2
7 1 (0.48%) Zend