Period
to 11 December 2017

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 11 December 2017.

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
11 Dec 2017
Same period 2016 Same period 2015
Rank 38 33 42
Rank change year-on-year -5 +9 +11
Contract jobs requiring a Senior Developer 380 383 357
As % of all contract IT jobs advertised in the City of London 5.29% 5.88% 4.20%
As % of the Job Titles category 5.59% 6.16% 4.41%
Number of daily rates quoted 344 353 329
City of London median daily rate £600 £550 £525
Median daily rate % change year-on-year +9.09% +4.76% +5.00%
10th Percentile £463 £409 £375
90th Percentile £770 £675 £675
Central London median daily rate £575 £538 £525
% change year-on-year +6.98% +2.38% +8.25%
Number of hourly rates quoted 1 0 0
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 6793 6216 8101
% of contract IT jobs with a recognized job title 94.52% 95.37% 95.29%
Number of daily rates quoted 5389 4927 6388
City of London median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.56% +2.86%
10th Percentile £313 £313 £275
90th Percentile £688 £663 £650
Central London median daily rate £500 £475 £450
% change year-on-year +5.26% +5.56% +5.88%
Number of hourly rates quoted 92 73 112
City of London median hourly rate £17.00 £17.50 £18.75
Median hourly rate % change year-on-year -2.86% -6.67% +10.29%
10th Percentile £11.25 £12.58 £11.18
90th Percentile £30.75 £54.03 £38.75
Central London median hourly rate £18.05 £17.21 £18.00
% change year-on-year +4.90% -4.40% +9.09%

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 11 December 2017.

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 11 December 2017, Senior Developer contract jobs required the following IT skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the City of London region featuring Senior Developer in the job title.

1 205 (53.95%) Java
2 193 (50.79%) Finance
3 191 (50.26%) Agile Software Development
4 186 (48.95%) Banking
5 103 (27.11%) TDD
6 92 (24.21%) Front Office
7 91 (23.95%) C#
8 81 (21.32%) SQL Server
9 79 (20.79%) SQL
9 79 (20.79%) JavaScript
10 72 (18.95%) Python
11 66 (17.37%) .NET
12 61 (16.05%) HTML
13 60 (15.79%) Electronic Trading
14 58 (15.26%) Linux
15 55 (14.47%) AngularJS
16 52 (13.68%) Foreign Exchange (FX)
17 50 (13.16%) Investment Banking
18 46 (12.11%) HTML5
19 45 (11.84%) Derivative
20 44 (11.58%) CSS
21 42 (11.05%) MVC
22 41 (10.79%) Scala
23 40 (10.53%) Low Latency
24 39 (10.26%) Spring
25 38 (10.00%) KDB
25 38 (10.00%) SDLC
26 37 (9.74%) BDD
27 35 (9.21%) Multithreading
27 35 (9.21%) Fixed Income

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 11 (2.89%) Elasticsearch
2 8 (2.11%) Confluence
3 5 (1.32%) GemFire
3 5 (1.32%) IIS
4 4 (1.05%) Apache Spark
4 4 (1.05%) WordPress
5 3 (0.79%) Apache Solr
5 3 (0.79%) SharePoint
6 2 (0.53%) Apache
6 2 (0.53%) Oracle Coherence
6 2 (0.53%) WebSphere
7 1 (0.26%) BizTalk Server
7 1 (0.26%) DNN
7 1 (0.26%) FileNet
7 1 (0.26%) IBM Notes
7 1 (0.26%) JBoss
7 1 (0.26%) MQSeries
7 1 (0.26%) nginx
7 1 (0.26%) Tomcat
7 1 (0.26%) Tornado
Applications
1 2 (0.53%) Spreadsheet
2 1 (0.26%) Microsoft Excel
Business Applications
1 25 (6.58%) ION MarketView
2 3 (0.79%) Endur
2 3 (0.79%) Summit
3 2 (0.53%) SunGard GMI
4 1 (0.26%) BusinessWorks
4 1 (0.26%) RMDS
Cloud Services
1 25 (6.58%) Amazon AWS
2 18 (4.74%) Microsoft Azure
3 8 (2.11%) GitHub
4 7 (1.84%) Cloud Computing
5 5 (1.32%) Amazon EC2
5 5 (1.32%) npm
6 2 (0.53%) Amazon ElastiCache
6 2 (0.53%) AWS Elastic Beanstalk
6 2 (0.53%) PaaS
7 1 (0.26%) Amazon S3
7 1 (0.26%) Amazon SQS
7 1 (0.26%) AWS CloudFormation
7 1 (0.26%) AWS Lambda
7 1 (0.26%) Data Lake Analytics
7 1 (0.26%) Google Cloud Platform
7 1 (0.26%) Route 53
7 1 (0.26%) SaaS
7 1 (0.26%) Serverless
7 1 (0.26%) Yarn
Communications & Networking
1 4 (1.05%) Bluetooth
1 4 (1.05%) HTTP
1 4 (1.05%) Intranet
2 2 (0.53%) Internet
3 1 (0.26%) HTTPS
3 1 (0.26%) NFC
3 1 (0.26%) SMS
Database & Business Intelligence
1 81 (21.32%) SQL Server
2 38 (10.00%) KDB
3 33 (8.68%) Relational Database
4 29 (7.63%) RDBMS
5 24 (6.32%) NoSQL
6 11 (2.89%) Hadoop
6 11 (2.89%) SQL Server Integration Services
6 11 (2.89%) SQL Server Reporting Services
7 10 (2.63%) SQL Server 2012
8 9 (2.37%) Big Data
8 9 (2.37%) SQL Server Analysis Services
9 8 (2.11%) Kdb+
9 8 (2.11%) MongoDB
9 8 (2.11%) MySQL
10 7 (1.84%) MS Access
10 7 (1.84%) OLAP
10 7 (1.84%) PerformancePoint
11 6 (1.58%) Hazelcast
11 6 (1.58%) SQL Server 2008
12 5 (1.32%) HBase
Development Applications
1 33 (8.68%) Git (software)
2 29 (7.63%) JIRA
3 18 (4.74%) Jenkins
4 16 (4.21%) Maven
4 16 (4.21%) TeamCity
5 13 (3.42%) Selenium
5 13 (3.42%) Team Foundation Server
5 13 (3.42%) webpack
6 10 (2.63%) Babel
7 9 (2.37%) Gradle
7 9 (2.37%) JIRA Agile
8 7 (1.84%) NUnit
8 7 (1.84%) Subversion
9 6 (1.58%) gulp
10 5 (1.32%) Crashlytics
10 5 (1.32%) Cucumber
10 5 (1.32%) Mocha
10 5 (1.32%) Moq
11 4 (1.05%) Mockito
11 4 (1.05%) WebDriver
General
1 193 (50.79%) Finance
2 186 (48.95%) Banking
3 92 (24.21%) Front Office
4 50 (13.16%) Investment Banking
5 21 (5.53%) Retail
6 7 (1.84%) Back Office
7 6 (1.58%) Games
7 6 (1.58%) Marketing
8 4 (1.05%) Financial Institution
9 3 (0.79%) Legal
9 3 (0.79%) Telecoms
10 2 (0.53%) Japanese Language
10 2 (0.53%) Law
10 2 (0.53%) Publishing
11 1 (0.26%) Advertising
11 1 (0.26%) Digital Economy
11 1 (0.26%) Manufacturing
11 1 (0.26%) Pharmaceutical
Libraries, Frameworks & Software Standards
1 66 (17.37%) .NET
2 61 (16.05%) HTML
3 55 (14.47%) AngularJS
4 46 (12.11%) HTML5
5 44 (11.58%) CSS
6 39 (10.26%) Spring
7 34 (8.95%) REST
8 33 (8.68%) FIX Protocol
9 32 (8.42%) React
10 29 (7.63%) ASP.NET
11 27 (7.11%) Hibernate
12 26 (6.84%) Node.js
13 24 (6.32%) jQuery
13 24 (6.32%) TIBCO EMS
13 24 (6.32%) XML
14 23 (6.05%) CSS3
14 23 (6.05%) Web Services
15 20 (5.26%) RESTful
16 19 (5.00%) JMS
17 17 (4.47%) JSON
Miscellaneous
1 52 (13.68%) Foreign Exchange (FX)
2 45 (11.84%) Derivative
3 35 (9.21%) Fixed Income
4 26 (6.84%) Greenfield Project
5 15 (3.95%) Credit Risk
6 12 (3.16%) Data Structures
7 11 (2.89%) Equities
8 10 (2.63%) Computer Science
8 10 (2.63%) User Experience
9 9 (2.37%) Analytical Skills
9 9 (2.37%) Hedge funds
10 8 (2.11%) Grid Computing
11 7 (1.84%) Mobile App
11 7 (1.84%) Reference Data
12 5 (1.32%) Algorithms
12 5 (1.32%) Fintech
12 5 (1.32%) Management Information System
12 5 (1.32%) Online Games
12 5 (1.32%) Video on Demand
13 4 (1.05%) Market Risk
Operating Systems
1 58 (15.26%) Linux
2 21 (5.53%) Red Hat Enterprise Linux
2 21 (5.53%) Unix
3 14 (3.68%) Apple iOS
4 13 (3.42%) Android
5 4 (1.05%) Windows
6 1 (0.26%) Solaris
Processes & Methodologies
1 191 (50.26%) Agile Software Development
2 103 (27.11%) TDD
3 60 (15.79%) Electronic Trading
4 42 (11.05%) MVC
5 40 (10.53%) Low Latency
6 38 (10.00%) SDLC
7 37 (9.74%) BDD
8 35 (9.21%) Multithreading
9 32 (8.42%) Continuous Integration
9 32 (8.42%) Unit Testing
10 30 (7.89%) E-Commerce
11 29 (7.63%) Microservices
11 29 (7.63%) OO
12 28 (7.37%) Integration Testing
12 28 (7.37%) Pair Programming
13 26 (6.84%) DevOps
14 25 (6.58%) Web Development
15 24 (6.32%) Scrum
16 21 (5.53%) Risk Management
17 20 (5.26%) Mentoring
Programming Languages
1 205 (53.95%) Java
2 91 (23.95%) C#
3 79 (20.79%) JavaScript
3 79 (20.79%) SQL
4 72 (18.95%) Python
5 41 (10.79%) Scala
6 30 (7.89%) C++
6 30 (7.89%) VBA
7 18 (4.74%) Ruby
8 17 (4.47%) ES6
9 12 (3.16%) T-SQL
10 10 (2.63%) Objective-C
11 8 (2.11%) Apple Swift
11 8 (2.11%) Kotlin
12 7 (1.84%) PHP
13 6 (1.58%) XPath
14 5 (1.32%) Bash Shell
14 5 (1.32%) Groovy
14 5 (1.32%) PL/SQL
15 4 (1.05%) VB.NET
Qualifications
1 17 (4.47%) Degree
2 8 (2.11%) PhD
3 4 (1.05%) Computer Science Degree
3 4 (1.05%) Master's Degree
4 2 (0.53%) Security Cleared
5 1 (0.26%) SC Cleared
Quality Assurance & Compliance
1 15 (3.95%) MiFID
2 8 (2.11%) QA
3 5 (1.32%) Solvency II
4 3 (0.79%) Basel III
4 3 (0.79%) EMIR
4 3 (0.79%) FATCA
5 1 (0.26%) Data Quality
System Software
1 5 (1.32%) Docker
2 3 (0.79%) Apache Flume
3 2 (0.53%) HDFS
4 1 (0.26%) Apache ZooKeeper
4 1 (0.26%) Platform Symphony
Systems Management
1 6 (1.58%) Ansible
2 3 (0.79%) NetBackup
3 2 (0.53%) Kubernetes
3 2 (0.53%) Oozie
3 2 (0.53%) Terraform
4 1 (0.26%) Grafana
Vendors
1 32 (8.42%) TIBCO
2 27 (7.11%) Oracle
3 26 (6.84%) ION Trading
4 24 (6.32%) Microsoft
5 23 (6.05%) Sybase
6 7 (1.84%) Atlassian
7 5 (1.32%) Google
8 3 (0.79%) Calypso
8 3 (0.79%) DevExpress
8 3 (0.79%) Hitachi
8 3 (0.79%) Murex
8 3 (0.79%) OpenLink
8 3 (0.79%) Sophis
8 3 (0.79%) Typemock
8 3 (0.79%) Veritas
9 2 (0.53%) Apple
9 2 (0.53%) CQG
9 2 (0.53%) hybris
9 2 (0.53%) Informatica
9 2 (0.53%) Salesforce.com