The median contractor rate for a Unix Developer was £538 per day in advertised job vacancies in London during the 3 months to 24 March 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.

3 months to
24 Mar 2017
Same period 2016 Same period 2015
Unix Developer
England / London
Rank 371 391 370
Rank change year-on-year +20 -21  
Contract jobs requiring a Unix Developer 29 37 39
As % of all contract IT jobs advertised in London 0.15% 0.17% 0.19%
As % of the Job Titles category 0.16% 0.18% 0.20%
Number of daily rates quoted 21 20 24
Median daily rate £538 £350 £550
Median daily rate % change year-on-year +53.57% -36.36%  
90% offered a daily rate of more than £450 £299 £391
10% offered a daily rate of more than £650 £413 £650
UK excluding London median daily rate £440 £373 £325
% change year-on-year +18.12% +14.61%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

The next table is for comparison with the above and includes summary statistics for all job roles in contract job vacancies advertised in London. Most job vacancies include a discernible job title. As such, the figures in the first row provide an indication of the number of contract jobs in our overall sample.

Contract IT Job Roles
London
Contract job vacancies with a job title containing a recognized job role 18463 20944 19902
As % of all contract IT job vacancies advertised in London 94.85% 94.98% 94.88%
Number of daily rates quoted 13124 15012 13730
Median daily rate £475 £450 £450
Median daily rate % change year-on-year +5.55% -  
90% offered a daily rate of more than £301 £300 £275
10% offered a daily rate of more than £650 £625 £600
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.22% +3.33%  
Number of hourly rates quoted 242 285 369
Median hourly rate £23.00 £17.00 £19.50
Median hourly rate % change year-on-year +35.29% -12.82%  
90% offered a hourly rate of more than £13.70 £11.50 £13.00
10% offered a hourly rate of more than £55.00 £43.57 £55.00
UK excluding London median hourly rate £17.50 £20.00 £17.38
% change year-on-year -12.50% +15.10%  

Unix Developer
Job Vacancy Trend in London

The job posting trend of jobs advertised in London that featured Unix Developer in the job title.

Job vacancy trend for Unix Developer in London

Unix Developer
Contractor Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Unix Developer in London.

Contractor daily rate trend for Unix Developer in London

Unix Developer
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Unix Developer in London over the 3 months to 24 March 2017.

Contractor daily rate histogram for Unix Developer in London

Unix Developer
Contractor Hourly Rate Trend in London

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing Unix Developer in London.

Contractor hourly rate trend for Unix Developer in London

Unix Developer
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Unix Developer within the London region over the 3 months to 24 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Canary Wharf - 3 £600 -
City of London - 2 £650 - 2
Docklands, London - 1 £543 -
Unix Developer
England

Unix Developer Skill Set
Top 30 Related IT Skills in London

For the 6 months to 24 March 2017, Unix 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 London region featuring Unix Developer in the job title.

1 59 (100.00%) Unix
2 33 (55.93%) Finance
3 29 (49.15%) C++
4 28 (47.46%) SQL
4 28 (47.46%) Banking
5 26 (44.07%) Linux
6 23 (38.98%) Agile Software Development
7 21 (35.59%) Software Engineering
8 20 (33.90%) Java
9 16 (27.12%) Shell Script
10 15 (25.42%) Low Latency
11 14 (23.73%) Multithreading
12 13 (22.03%) Scrum
13 12 (20.34%) STL
14 11 (18.64%) Algorithms
15 10 (16.95%) Risk Management
15 10 (16.95%) Oracle
15 10 (16.95%) High Availability
16 9 (15.25%) Electronic Trading
16 9 (15.25%) Perl
17 8 (13.56%) SOAP
17 8 (13.56%) Foreign Exchange (FX)
17 8 (13.56%) Degree
17 8 (13.56%) Refactoring
17 8 (13.56%) Git (software)
18 7 (11.86%) Boost C++ Libraries
18 7 (11.86%) MiFID
18 7 (11.86%) Ab Initio
18 7 (11.86%) XML
18 7 (11.86%) C

Unix Developer Skill Set
Top Related IT Skills in 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 2 (3.39%) Jetty
1 2 (3.39%) Tomcat
1 2 (3.39%) WebSphere
2 1 (1.69%) DataSynapse
2 1 (1.69%) WebLogic
Business Applications
1 1 (1.69%) Oracle BPM
Communications & Networking
1 4 (6.78%) TCP/IP
2 1 (1.69%) DHCP
2 1 (1.69%) DNS
2 1 (1.69%) HTTP
2 1 (1.69%) Kerberos
2 1 (1.69%) LDAP
2 1 (1.69%) Multicast
2 1 (1.69%) SSH
2 1 (1.69%) SSL
Database & Business Intelligence
1 6 (10.17%) Relational Database
2 5 (8.47%) DB2
3 3 (5.08%) Data Warehouse
3 3 (5.08%) InterSystems Cache
3 3 (5.08%) KDB
4 1 (1.69%) Big Data
4 1 (1.69%) Data Mart
4 1 (1.69%) DataStage
4 1 (1.69%) MySQL
4 1 (1.69%) Oracle Database
4 1 (1.69%) Oracle Database 11g
4 1 (1.69%) RDBMS
Development Applications
1 8 (13.56%) Git (software)
2 5 (8.47%) Jenkins
3 4 (6.78%) Maven
4 2 (3.39%) Ant
4 2 (3.39%) Gradle
4 2 (3.39%) Hudson
4 2 (3.39%) JUnit
4 2 (3.39%) Mockito
5 1 (1.69%) Atlassian Bamboo
5 1 (1.69%) GDB
5 1 (1.69%) JIRA
5 1 (1.69%) Subversion
5 1 (1.69%) Talend Open Studio
General
1 33 (55.93%) Finance
2 28 (47.46%) Banking
3 6 (10.17%) Investment Banking
4 3 (5.08%) Front Office
5 2 (3.39%) Legal
Libraries, Frameworks & Software Standards
1 12 (20.34%) STL
2 8 (13.56%) SOAP
3 7 (11.86%) Boost C++ Libraries
3 7 (11.86%) XML
4 4 (6.78%) FIX Protocol
4 4 (6.78%) JSON
4 4 (6.78%) Spring
5 3 (5.08%) .NET
6 2 (3.39%) Apache Camel
6 2 (3.39%) Protocol Buffers
6 2 (3.39%) REST
6 2 (3.39%) Spring Boot
6 2 (3.39%) Spring Security
6 2 (3.39%) Web Services
7 1 (1.69%) HTML
7 1 (1.69%) J2EE
7 1 (1.69%) Murex MxML
7 1 (1.69%) Regular Expression
7 1 (1.69%) Swing
7 1 (1.69%) XSLT
Miscellaneous
1 11 (18.64%) Algorithms
2 8 (13.56%) Foreign Exchange (FX)
3 6 (10.17%) Derivative
4 4 (6.78%) Analytical Skills
4 4 (6.78%) Hedge funds
5 3 (5.08%) Computer Science
5 3 (5.08%) Data Structures
5 3 (5.08%) Fintech
6 2 (3.39%) Market Risk
6 2 (3.39%) OTC Derivatives
7 1 (1.69%) Fixed Income
7 1 (1.69%) Grid Computing
7 1 (1.69%) N-Tier
Operating Systems
1 59 (100.00%) Unix
2 26 (44.07%) Linux
3 4 (6.78%) Solaris
4 3 (5.08%) Red Hat Enterprise Linux
4 3 (5.08%) Windows
5 1 (1.69%) AIX
5 1 (1.69%) Oracle Linux
5 1 (1.69%) zOS
Processes & Methodologies
1 23 (38.98%) Agile Software Development
2 21 (35.59%) Software Engineering
3 15 (25.42%) Low Latency
4 14 (23.73%) Multithreading
5 13 (22.03%) Scrum
6 10 (16.95%) High Availability
6 10 (16.95%) Risk Management
7 9 (15.25%) Electronic Trading
8 8 (13.56%) Refactoring
9 6 (10.17%) Multithreaded Programming
9 6 (10.17%) TDD
10 5 (8.47%) OOA/OOD
10 5 (8.47%) Performance Tuning
10 5 (8.47%) Unit Testing
11 4 (6.78%) OO
11 4 (6.78%) Stakeholder Management
12 3 (5.08%) DevOps
12 3 (5.08%) Domain-Driven Design
12 3 (5.08%) Microservices
12 3 (5.08%) UML
Programming Languages
1 29 (49.15%) C++
2 28 (47.46%) SQL
3 20 (33.90%) Java
4 16 (27.12%) Shell Script
5 9 (15.25%) Perl
6 7 (11.86%) C
7 4 (6.78%) COBOL
7 4 (6.78%) Python
8 3 (5.08%) C#
9 2 (3.39%) Bash Shell
9 2 (3.39%) JavaScript
10 1 (1.69%) ANSI SQL
10 1 (1.69%) AWK
10 1 (1.69%) Korn
10 1 (1.69%) Scala
10 1 (1.69%) sed
Qualifications
1 8 (13.56%) Degree
2 1 (1.69%) SC Cleared
2 1 (1.69%) Security Cleared
2 1 (1.69%) Sun Certification
Quality Assurance & Compliance
1 7 (11.86%) MiFID
2 5 (8.47%) Dodd-Frank
2 5 (8.47%) EMIR
3 4 (6.78%) QA
System Software
1 1 (1.69%) NFS
Systems Management
1 2 (3.39%) Control-M
2 1 (1.69%) Ansible
2 1 (1.69%) BladeLogic
2 1 (1.69%) Opscode Chef
2 1 (1.69%) PowerBroker
2 1 (1.69%) Puppet
Vendors
1 10 (16.95%) Oracle
2 7 (11.86%) Ab Initio
3 5 (8.47%) Bloomberg
4 4 (6.78%) Reuters
5 3 (5.08%) Perforce
6 2 (3.39%) MuleSoft
6 2 (3.39%) Red Hat
7 1 (1.69%) IBM
7 1 (1.69%) IBM Sterling
7 1 (1.69%) Microgen
7 1 (1.69%) Murex
7 1 (1.69%) Netezza
7 1 (1.69%) SaltStack
7 1 (1.69%) Talend
7 1 (1.69%) Teradata
City, London
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