Period
to 18 November 2017

The median contractor rate for a Unix Developer was £550 per day in advertised job vacancies in London during the 6 months to 18 November 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.

Unix Developer
England > London
6 months to
18 Nov 2017
Same period 2016 Same period 2015
Rank 582 574 534
Rank change year-on-year -8 -40 +11
Contract jobs requiring a Unix Developer 44 45 83
As % of all contract IT jobs advertised in London 0.095% 0.099% 0.18%
As % of the Job Titles category 0.100% 0.10% 0.19%
Number of daily rates quoted 29 31 39
London median daily rate £550 £465 £425
Median daily rate % change year-on-year +18.28% +9.41% -18.27%
10th Percentile £431 £306 £327
90th Percentile £630 £606 £575
England median daily rate £540 £431 £405
% change year-on-year +25.22% +6.48% -10.00%
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England median hourly rate £32.00 - £43.25

The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies advertised in 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
London
Contract vacancies in London with a recognized job title 44141 42982 44791
% of contract IT jobs with a recognized job title 94.84% 95.02% 94.97%
Number of daily rates quoted 31959 30601 31582
London median daily rate £493 £460 £450
Median daily rate % change year-on-year +7.07% +2.22% +5.88%
10th Percentile £300 £288 £268
90th Percentile £663 £638 £638
England median daily rate £450 £425 £413
% change year-on-year +5.88% +3.03% +3.13%
Number of hourly rates quoted 551 558 689
London median hourly rate £20.00 £19.50 £18.88
Median hourly rate % change year-on-year +2.56% +3.28% +7.89%
10th Percentile £12.00 £11.40 £11.25
90th Percentile £47.83 £50.00 £47.83
England median hourly rate £18.66 £18.50 £17.89
% change year-on-year +0.84% +3.41% +8.42%

Unix Developer
Job Vacancy Trend in London

Job postings that featured Unix Developer in the job title as a percentage of all IT jobs advertised in London.

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 6 months to 18 November 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 contractor hourly rates quoted in IT 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 6 months to 18 November 2017. 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
Central London +6 8 £444 -26.04% 5
West London -14 5 - -
East London - 2 £750 -
Unix Developer
England

Unix Developer Skill Set
Top 30 Co-occurring IT Skills in London

For the 6 months to 18 November 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 44 (100.00%) Unix
2 36 (81.82%) Linux
3 26 (59.09%) SQL
4 21 (47.73%) Java
5 16 (36.36%) Banking
6 15 (34.09%) Git (software)
7 14 (31.82%) Oracle
8 13 (29.55%) Python
8 13 (29.55%) C++
8 13 (29.55%) TeamCity
8 13 (29.55%) Agile Software Development
9 12 (27.27%) Shell Script
10 11 (25.00%) Finance
10 11 (25.00%) Sybase
10 11 (25.00%) Investment Banking
11 10 (22.73%) TDD
11 10 (22.73%) Integration Testing
12 9 (20.45%) Multithreading
12 9 (20.45%) PL/SQL
13 8 (18.18%) Scrum
13 8 (18.18%) Oracle Database
13 8 (18.18%) Relational Database
14 7 (15.91%) Docker
14 7 (15.91%) RDBMS
14 7 (15.91%) HTML
14 7 (15.91%) JavaScript
14 7 (15.91%) Perl
14 7 (15.91%) SQL Server
14 7 (15.91%) Continuous Integration
15 6 (13.64%) Kanban

Unix Developer Skill Set
Co-occurring 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 5 (11.36%) Apache
2 4 (9.09%) WildFly
3 2 (4.55%) JBoss
4 1 (2.27%) Apache Pig
4 1 (2.27%) Apache Solr
4 1 (2.27%) Confluence
4 1 (2.27%) Elasticsearch
4 1 (2.27%) IIS
4 1 (2.27%) Mule
4 1 (2.27%) Oracle Application Server
4 1 (2.27%) Oracle SOA Suite
4 1 (2.27%) Tomcat
4 1 (2.27%) WebLogic
4 1 (2.27%) WebSphere
4 1 (2.27%) WebSphere Application Server
Cloud Services
1 6 (13.64%) Amazon AWS
1 6 (13.64%) Microsoft Azure
Communications & Networking
1 1 (2.27%) AMQP
Database & Business Intelligence
1 8 (18.18%) Oracle Database
1 8 (18.18%) Relational Database
2 7 (15.91%) RDBMS
2 7 (15.91%) SQL Server
3 5 (11.36%) NoSQL
4 4 (9.09%) Sybase ASE
4 4 (9.09%) Sybase IQ
5 3 (6.82%) OLTP
5 3 (6.82%) Oracle Database 11g
5 3 (6.82%) Oracle Database 12c
5 3 (6.82%) SQLPlus
6 2 (4.55%) Apache Cassandra
6 2 (4.55%) KDB
6 2 (4.55%) MongoDB
7 1 (2.27%) Amazon DynamoDB
7 1 (2.27%) Apache Hive
7 1 (2.27%) Hadoop
7 1 (2.27%) MySQL
7 1 (2.27%) SQL Server Analysis Services
7 1 (2.27%) SQL Server Integration Services
Development Applications
1 15 (34.09%) Git (software)
2 13 (29.55%) TeamCity
3 6 (13.64%) Hudson
3 6 (13.64%) Jenkins
3 6 (13.64%) JUnit
4 5 (11.36%) TestNG
5 4 (9.09%) Subversion
6 3 (6.82%) Gradle
6 3 (6.82%) Maven
6 3 (6.82%) ProC
7 2 (4.55%) Atlassian Bamboo
7 2 (4.55%) JIRA
8 1 (2.27%) FishEye
8 1 (2.27%) jMock
8 1 (2.27%) Mockito
8 1 (2.27%) SoapUI
General
1 16 (36.36%) Banking
2 11 (25.00%) Finance
2 11 (25.00%) Investment Banking
3 6 (13.64%) Retail Banking
4 2 (4.55%) Front Office
5 1 (2.27%) General Ledger
Libraries, Frameworks & Software Standards
1 7 (15.91%) HTML
2 6 (13.64%) Spring
3 5 (11.36%) Kafka
3 5 (11.36%) STL
3 5 (11.36%) Web Services
3 5 (11.36%) XML
4 4 (9.09%) HTML5
4 4 (9.09%) jQuery
4 4 (9.09%) JSON
4 4 (9.09%) RabbitMQ
4 4 (9.09%) REST
5 3 (6.82%) Hibernate
5 3 (6.82%) JMS
6 2 (4.55%) Apache Camel
6 2 (4.55%) FIX Protocol
6 2 (4.55%) Java EE
6 2 (4.55%) XSD
7 1 (2.27%) Akka
7 1 (2.27%) Regular Expression
7 1 (2.27%) Twitter Bootstrap
Miscellaneous
1 4 (9.09%) Fixed Income
2 2 (4.55%) Analytical Skills
2 2 (4.55%) Credit Risk
2 2 (4.55%) Equities
2 2 (4.55%) Foreign Exchange (FX)
3 1 (2.27%) Data Structures
3 1 (2.27%) DataPower
3 1 (2.27%) Grid Computing
3 1 (2.27%) Market Risk
3 1 (2.27%) SWIFT
3 1 (2.27%) Video\Live Streaming
Operating Systems
1 44 (100.00%) Unix
2 36 (81.82%) Linux
3 6 (13.64%) Windows
4 1 (2.27%) Red Hat Enterprise Linux
Processes & Methodologies
1 13 (29.55%) Agile Software Development
2 10 (22.73%) Integration Testing
2 10 (22.73%) TDD
3 9 (20.45%) Multithreading
4 8 (18.18%) Scrum
5 7 (15.91%) Continuous Integration
6 6 (13.64%) DevOps
6 6 (13.64%) Kanban
6 6 (13.64%) SDLC
7 5 (11.36%) Black-Box Testing
7 5 (11.36%) Functional Testing
7 5 (11.36%) OO
7 5 (11.36%) Regression Testing
7 5 (11.36%) Test Automation
7 5 (11.36%) Unit Testing
8 4 (9.09%) System Integration Testing
8 4 (9.09%) Waterfall
9 3 (6.82%) Multithreaded Programming
9 3 (6.82%) Risk Management
10 2 (4.55%) MVC
Programming Languages
1 26 (59.09%) SQL
2 21 (47.73%) Java
3 13 (29.55%) C++
3 13 (29.55%) Python
4 12 (27.27%) Shell Script
5 9 (20.45%) PL/SQL
6 7 (15.91%) JavaScript
6 7 (15.91%) Perl
7 5 (11.36%) C
8 4 (9.09%) T-SQL
9 3 (6.82%) Bash Shell
9 3 (6.82%) Groovy
9 3 (6.82%) Scala
10 2 (4.55%) XPath
11 1 (2.27%) Korn
11 1 (2.27%) sed
Qualifications
1 4 (9.09%) Degree
2 2 (4.55%) Master's Degree
Quality Assurance & Compliance
1 5 (11.36%) MiFID
2 1 (2.27%) Data Quality
System Software
1 7 (15.91%) Docker
Systems Management
1 6 (13.64%) Ansible
2 1 (2.27%) BladeLogic
2 1 (2.27%) Grafana
2 1 (2.27%) ITRS Geneos
2 1 (2.27%) Kibana
2 1 (2.27%) logstash
Vendors
1 14 (31.82%) Oracle
2 11 (25.00%) Sybase
3 2 (4.55%) IBM
4 1 (2.27%) AppDynamics
4 1 (2.27%) Atlassian
4 1 (2.27%) Bloomberg
4 1 (2.27%) Microgen
4 1 (2.27%) Microsoft
4 1 (2.27%) Murex
4 1 (2.27%) Netezza
4 1 (2.27%) Red Hat
4 1 (2.27%) ServiceNow
4 1 (2.27%) Splunk