Period
to 19 October 2017

The median contractor rate for a Senior Developer was £575 per day in advertised job vacancies in the City of London during the 6 months to 19 October 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
19 Oct 2017
Same period 2016 Same period 2015
Rank 30 32 38
Rank change year-on-year +2 +6 +28
Contract jobs requiring a Senior Developer 402 417 409
As % of all contract IT jobs advertised in the City of London 5.86% 6.26% 4.08%
As % of the Job Titles category 6.19% 6.55% 4.29%
Number of daily rates quoted 368 382 381
City of London median daily rate £575 £544 £525
Median daily rate % change year-on-year +5.75% +3.57% +7.69%
10th Percentile £463 £411 £363
90th Percentile £738 £669 £675
Central London median daily rate £575 £533 £525
% change year-on-year +7.98% +1.43% +10.53%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate £35.50 - -

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 6498 6366 9524
% of contract IT jobs with a recognized job title 94.67% 95.53% 95.05%
Number of daily rates quoted 5096 5058 7452
City of London median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.56% +2.27%
10th Percentile £313 £307 £269
90th Percentile £675 £652 £650
Central London median daily rate £500 £463 £450
% change year-on-year +8.11% +2.78% +5.88%
Number of hourly rates quoted 88 77 149
City of London median hourly rate £18.00 £17.50 £18.00
Median hourly rate % change year-on-year +2.86% -2.78% +2.86%
10th Percentile £11.70 £11.25 £10.00
90th Percentile £30.75 £44.05 £34.00
Central London median hourly rate £18.10 £17.25 £18.00
% change year-on-year +4.93% -4.17% +5.88%

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 19 October 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 19 October 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.

1 223 (55.47%) Agile Software Development
2 216 (53.73%) Java
3 214 (53.23%) Finance
4 201 (50.00%) Banking
5 122 (30.35%) TDD
6 114 (28.36%) JavaScript
7 108 (26.87%) SQL
8 104 (25.87%) Front Office
9 91 (22.64%) C#
10 88 (21.89%) HTML
11 78 (19.40%) AngularJS
12 76 (18.91%) Python
13 71 (17.66%) CSS
14 64 (15.92%) .NET
15 63 (15.67%) SQL Server
16 57 (14.18%) Investment Banking
17 55 (13.68%) Linux
18 53 (13.18%) Multithreading
18 53 (13.18%) HTML5
19 51 (12.69%) OO
20 50 (12.44%) Scala
21 47 (11.69%) React
22 44 (10.95%) Node.js
22 44 (10.95%) Derivative
22 44 (10.95%) MVC
23 43 (10.70%) Electronic Trading
24 41 (10.20%) Foreign Exchange (FX)
25 40 (9.95%) Spring
25 40 (9.95%) Mentoring
26 38 (9.45%) SDLC

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 10 (2.49%) Apache Spark
2 8 (1.99%) Confluence
2 8 (1.99%) Elasticsearch
3 7 (1.74%) Apache
4 6 (1.49%) Tomcat
5 4 (1.00%) Apache Solr
5 4 (1.00%) IIS
5 4 (1.00%) WebSphere
6 2 (0.50%) Oracle Coherence
6 2 (0.50%) WordPress
7 1 (0.25%) BizTalk Server
7 1 (0.25%) DNN
7 1 (0.25%) FileNet
7 1 (0.25%) IBM Notes
7 1 (0.25%) JBoss
7 1 (0.25%) TIBCO ActiveMatrix
Applications
1 3 (0.75%) Microsoft Excel
1 3 (0.75%) Spreadsheet
2 1 (0.25%) Microsoft Office
2 1 (0.25%) Photoshop
Business Applications
1 10 (2.49%) ION MarketView
2 3 (0.75%) Dynamics CRM
2 3 (0.75%) Endur
3 2 (0.50%) SunGard GMI
4 1 (0.25%) BusinessWorks
4 1 (0.25%) RMDS
Cloud Services
1 26 (6.47%) Amazon AWS
2 11 (2.74%) Microsoft Azure
3 9 (2.24%) GitHub
4 7 (1.74%) Cloud Computing
5 5 (1.24%) OpenShift
6 4 (1.00%) Amazon EC2
6 4 (1.00%) AWS CloudFormation
7 3 (0.75%) npm
7 3 (0.75%) SaaS
8 2 (0.50%) Amazon ElastiCache
8 2 (0.50%) AWS Elastic Beanstalk
8 2 (0.50%) TestFlight
9 1 (0.25%) Amazon S3
9 1 (0.25%) AWS Lambda
9 1 (0.25%) Data Lake Analytics
9 1 (0.25%) Google Cloud Platform
9 1 (0.25%) PaaS
9 1 (0.25%) Route 53
9 1 (0.25%) Serverless
Communications & Networking
1 4 (1.00%) Bluetooth
1 4 (1.00%) HTTP
2 2 (0.50%) Internet
2 2 (0.50%) Intranet
3 1 (0.25%) HTTPS
3 1 (0.25%) NFC
3 1 (0.25%) SMS
Database & Business Intelligence
1 63 (15.67%) SQL Server
2 31 (7.71%) Relational Database
3 26 (6.47%) KDB
4 25 (6.22%) NoSQL
5 24 (5.97%) RDBMS
6 17 (4.23%) Hadoop
7 16 (3.98%) Apache Cassandra
8 15 (3.73%) Big Data
8 15 (3.73%) MongoDB
9 11 (2.74%) Kdb+
9 11 (2.74%) MySQL
10 9 (2.24%) SQL Server Integration Services
11 7 (1.74%) SQLite
12 6 (1.49%) Hazelcast
12 6 (1.49%) HBase
12 6 (1.49%) Oracle Database
13 5 (1.24%) Data Warehouse
13 5 (1.24%) DB2
13 5 (1.24%) SQL Server 2012
14 4 (1.00%) SQL Server Reporting Services
Development Applications
1 38 (9.45%) JIRA
2 33 (8.21%) Git (software)
3 22 (5.47%) Jenkins
3 22 (5.47%) Maven
3 22 (5.47%) Selenium
4 17 (4.23%) JIRA Agile
4 17 (4.23%) TeamCity
5 16 (3.98%) Cucumber
6 12 (2.99%) Gradle
7 10 (2.49%) JUnit
7 10 (2.49%) webpack
8 9 (2.24%) Jasmine
9 8 (1.99%) Babel
9 8 (1.99%) Subversion
10 7 (1.74%) Team Foundation Server
11 6 (1.49%) gulp
11 6 (1.49%) Mocha
11 6 (1.49%) NUnit
11 6 (1.49%) Robot Framework
12 5 (1.24%) Visual Studio
General
1 214 (53.23%) Finance
2 201 (50.00%) Banking
3 104 (25.87%) Front Office
4 57 (14.18%) Investment Banking
5 24 (5.97%) Retail
6 8 (1.99%) Marketing
7 7 (1.74%) Back Office
8 3 (0.75%) Games
8 3 (0.75%) Japanese Language
8 3 (0.75%) Legal
9 1 (0.25%) Advertising
9 1 (0.25%) Digital Economy
9 1 (0.25%) Law
9 1 (0.25%) Manufacturing
9 1 (0.25%) Telecoms
Libraries, Frameworks & Software Standards
1 88 (21.89%) HTML
2 78 (19.40%) AngularJS
3 71 (17.66%) CSS
4 64 (15.92%) .NET
5 53 (13.18%) HTML5
6 47 (11.69%) React
7 44 (10.95%) Node.js
8 40 (9.95%) Spring
9 34 (8.46%) REST
10 29 (7.21%) jQuery
11 27 (6.72%) ASP.NET
12 26 (6.47%) JSON
13 24 (5.97%) Hibernate
14 23 (5.72%) WPF
15 21 (5.22%) CSS3
16 20 (4.98%) Middleware
17 18 (4.48%) ASP.NET MVC
17 18 (4.48%) ASP.NET Web API
17 18 (4.48%) FIX Protocol
18 17 (4.23%) ASP.NET MVC 4
Miscellaneous
1 44 (10.95%) Derivative
2 41 (10.20%) Foreign Exchange (FX)
3 36 (8.96%) Fixed Income
4 20 (4.98%) Greenfield Project
5 19 (4.73%) Equities
6 17 (4.23%) User Experience
7 14 (3.48%) Analytical Skills
7 14 (3.48%) Computer Science
8 10 (2.49%) Data Structures
9 8 (1.99%) Credit Risk
9 8 (1.99%) Fintech
9 8 (1.99%) Grid Computing
9 8 (1.99%) Mobile App
10 7 (1.74%) Hedge funds
10 7 (1.74%) Reference Data
11 5 (1.24%) NHS
12 4 (1.00%) Client/Server
12 4 (1.00%) Equity Derivative
12 4 (1.00%) iPhone
12 4 (1.00%) VWAP
Operating Systems
1 55 (13.68%) Linux
2 26 (6.47%) Unix
3 24 (5.97%) Windows
4 19 (4.73%) Apple iOS
5 14 (3.48%) Android
6 6 (1.49%) Red Hat Enterprise Linux
6 6 (1.49%) Solaris
6 6 (1.49%) Windows Server
7 1 (0.25%) Windows 10
Processes & Methodologies
1 223 (55.47%) Agile Software Development
2 122 (30.35%) TDD
3 53 (13.18%) Multithreading
4 51 (12.69%) OO
5 44 (10.95%) MVC
6 43 (10.70%) Electronic Trading
7 40 (9.95%) Mentoring
8 38 (9.45%) SDLC
9 37 (9.20%) BDD
10 36 (8.96%) Pair Programming
11 35 (8.71%) Test Automation
12 34 (8.46%) Low Latency
12 34 (8.46%) Unit Testing
13 33 (8.21%) Web Development
14 32 (7.96%) Scrum
15 31 (7.71%) Continuous Integration
15 31 (7.71%) Kanban
16 27 (6.72%) DevOps
17 26 (6.47%) MVVM
18 22 (5.47%) Analytics
Programming Languages
1 216 (53.73%) Java
2 114 (28.36%) JavaScript
3 108 (26.87%) SQL
4 91 (22.64%) C#
5 76 (18.91%) Python
6 50 (12.44%) Scala
7 24 (5.97%) VBA
8 20 (4.98%) C++
9 15 (3.73%) Ruby
10 13 (3.23%) Objective-C
11 12 (2.99%) ES6
12 11 (2.74%) Apple Swift
13 9 (2.24%) Go
13 9 (2.24%) T-SQL
14 8 (1.99%) PL/SQL
15 6 (1.49%) Kotlin
16 4 (1.00%) PHP
17 3 (0.75%) ECMAScript
17 3 (0.75%) Shell Script
17 3 (0.75%) TypeScript
Qualifications
1 16 (3.98%) Degree
2 11 (2.74%) Computer Science Degree
3 4 (1.00%) PhD
4 2 (0.50%) Security Cleared
5 1 (0.25%) Numerate Degree
5 1 (0.25%) SC Cleared
Quality Assurance & Compliance
1 18 (4.48%) MiFID
2 2 (0.50%) QA
2 2 (0.50%) Solvency II
System Software
1 16 (3.98%) Docker
2 3 (0.75%) Apache Flume
3 2 (0.50%) HDFS
4 1 (0.25%) Platform Symphony
Systems Management
1 8 (1.99%) Ansible
2 6 (1.49%) Grafana
3 5 (1.24%) Kibana
3 5 (1.24%) Kubernetes
3 5 (1.24%) Prometheus
4 4 (1.00%) Opscode Chef
4 4 (1.00%) Puppet
5 2 (0.50%) Oozie
5 2 (0.50%) Terraform
Vendors
1 30 (7.46%) Oracle
2 22 (5.47%) TIBCO
3 15 (3.73%) Microsoft
4 11 (2.74%) ION Trading
5 9 (2.24%) Sybase
6 7 (1.74%) Atlassian
6 7 (1.74%) IBM
6 7 (1.74%) Solace
7 5 (1.24%) Red Hat
7 5 (1.24%) Splunk
7 5 (1.24%) StreamBase
8 4 (1.00%) Google
9 3 (0.75%) Murex
9 3 (0.75%) OpenLink
10 2 (0.50%) Apple
10 2 (0.50%) CQG
10 2 (0.50%) Fidessa
10 2 (0.50%) Salesforce.com
10 2 (0.50%) SunGard
10 2 (0.50%) Zend