The following table provides summary statistics for contract job vacancies advertised in London with a requirement for Kalman Filter skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Kalman Filter over the 3 months to 25 March 2017 with a comparison to the 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
25 Mar 2017
Same period 2016 Same period 2015
Kalman Filtering
England / London
Rank 330 385 360
Rank change year-on-year +55 -25  
Contract jobs citing Kalman Filter 76 55 60
As % of all contract IT jobs advertised in London 0.39% 0.25% 0.29%
As % of the Processes & Methodologies category 0.46% 0.29% 0.35%
Number of daily rates quoted 51 40 41
Median daily rate £425 £450 £450
Median daily rate % change year-on-year -5.55% -  
90% offered a daily rate of more than £237 £197 £250
10% offered a daily rate of more than £533 £578 £500
UK excluding London median daily rate £425 £375 £400
% change year-on-year +13.33% -6.25%  
Number of hourly rates quoted 3 0 0
Median hourly rate £40.00 - -
UK excluding London median hourly rate £21.00 £13.50 £39.00
% change year-on-year +55.55% -65.38%  

Kalman Filter is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for process and methodology skills.

Contract Process & Methodology Skills
London
Contract job vacancies with a requirement for process and methodology skills 16580 18843 17272
As % of all contract IT job vacancies advertised in London 85.16% 85.15% 82.06%
Number of daily rates quoted 11924 13599 12137
Median daily rate £480 £475 £450
Median daily rate % change year-on-year +1.05% +5.55%  
90% offered a daily rate of more than £350 £325 £310
10% offered a daily rate of more than £650 £625 £613
UK excluding London median daily rate £410 £400 £400
% change year-on-year +2.50% +0.06%  
Number of hourly rates quoted 168 194 245
Median hourly rate £31.92 £22.50 £20.00
Median hourly rate % change year-on-year +41.86% +12.50%  
90% offered a hourly rate of more than £14.20 £12.50 £11.00
10% offered a hourly rate of more than £55.00 £52.50 £55.00
UK excluding London median hourly rate £36.00 £38.75 £30.00
% change year-on-year -7.09% +29.16%  

Kalman Filter
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing Kalman Filter as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Kalman Filter in London

Kalman Filter
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Kalman Filter in London

Kalman Filter
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Kalman Filter in London over the 3 months to 25 March 2017.

Contractor daily rate histogram for Kalman Filter in London

Kalman Filter
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for Kalman Filter in London

Kalman Filter
Contractor Hourly Rate Histogram in London

The hourly rate distribution of IT jobs citing Kalman Filter in London over the 3 months to 25 March 2017.

Contractor hourly rate histogram for Kalman Filter in London

Kalman Filter
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 Kalman Filter within the London region over the 3 months to 25 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
City of London +16 17 £258 -35.70% 7
Osterley - 2 - -
Bromley - 1 - -
Kalman Filter
England

Kalman Filter
Top 30 Related IT Skills in London

For the 6 months to 25 March 2017, IT contractor jobs citing Kalman Filter also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the London region with a requirement for Kalman Filter.

1 49 (33.79%) Firewall
2 38 (26.21%) Agile Software Development
3 37 (25.52%) Windows
4 33 (22.76%) Finance
5 32 (22.07%) Management Information System
6 27 (18.62%) Microsoft
6 27 (18.62%) Intrusion Detection
7 26 (17.93%) SQL
8 25 (17.24%) Degree
9 24 (16.55%) SIEM
9 24 (16.55%) Linux
9 24 (16.55%) Information Security
10 22 (15.17%) ITIL
10 22 (15.17%) Internet
11 21 (14.48%) Python
11 21 (14.48%) MS Excel
12 20 (13.79%) Shell Script
12 20 (13.79%) TCP/IP
12 20 (13.79%) Vulnerability Management
12 20 (13.79%) Analytical Skills
13 19 (13.10%) Cisco Certification
13 19 (13.10%) SQL Server
13 19 (13.10%) Banking
13 19 (13.10%) Retail
14 18 (12.41%) Stakeholder Management
14 18 (12.41%) Jenkins
15 17 (11.72%) Big Data
15 17 (11.72%) QlikView
15 17 (11.72%) PCI DSS
15 17 (11.72%) Migration

Kalman Filter
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 12 (8.28%) Apache Pig
2 10 (6.90%) Confluence
3 8 (5.52%) WebLogic
4 5 (3.45%) Adobe Experience Manager
5 4 (2.76%) SharePoint
6 3 (2.07%) Apache
7 2 (1.38%) Tomcat
8 1 (0.69%) Apache Spark
8 1 (0.69%) CMS
8 1 (0.69%) Documentum
8 1 (0.69%) Exchange Server 2010
8 1 (0.69%) IIS
8 1 (0.69%) JBoss
8 1 (0.69%) MS Exchange
8 1 (0.69%) SAS
Applications
1 21 (14.48%) MS Excel
2 8 (5.52%) MS Office
3 3 (2.07%) HipChat
3 3 (2.07%) MS Visio
3 3 (2.07%) Spreadsheet
4 2 (1.38%) MS PowerPoint
4 2 (1.38%) MS Project
4 2 (1.38%) SPSS
5 1 (0.69%) Adobe Premiere
5 1 (0.69%) Simulink
Business Applications
1 2 (1.38%) Dynamics CRM
2 1 (0.69%) Remedy AR System
2 1 (0.69%) Remedy ITSM
2 1 (0.69%) RMDS
2 1 (0.69%) SAP ERP
Cloud Services
1 8 (5.52%) Amazon AWS
2 5 (3.45%) GitHub
3 4 (2.76%) AWS CloudFormation
4 3 (2.07%) Microsoft Azure
4 3 (2.07%) Office 365
5 2 (1.38%) Slack
6 1 (0.69%) Cloud Computing
6 1 (0.69%) SaaS
Communications & Networking
1 49 (33.79%) Firewall
2 27 (18.62%) Intrusion Detection
3 22 (15.17%) Internet
4 20 (13.79%) TCP/IP
5 16 (11.03%) WAN
6 14 (9.66%) DNS
7 13 (8.97%) Wireless
8 12 (8.28%) LAN
8 12 (8.28%) SNMP
9 10 (6.90%) DHCP
9 10 (6.90%) SMTP
10 8 (5.52%) Cisco ASA
10 8 (5.52%) VoIP
10 8 (5.52%) Wi-Fi
11 7 (4.83%) Diameter Protocol
12 6 (4.14%) GGSN
12 6 (4.14%) GPRS
12 6 (4.14%) LTE
12 6 (4.14%) UMTS
12 6 (4.14%) VPN
Database & Business Intelligence
1 19 (13.10%) SQL Server
2 17 (11.72%) Big Data
2 17 (11.72%) QlikView
3 14 (9.66%) SQL Server 2008
4 13 (8.97%) SQL Server Integration Services
5 12 (8.28%) Apache Hive
5 12 (8.28%) Data Warehouse
5 12 (8.28%) Hadoop
5 12 (8.28%) Microsoft Analysis Services
5 12 (8.28%) Snowflake Schema
5 12 (8.28%) SQL Server Analysis Services
6 6 (4.14%) Data Mining
7 5 (3.45%) Jackrabbit
8 3 (2.07%) BusinessObjects
8 3 (2.07%) SQL Server Reporting Services
9 2 (1.38%) MS Access
9 2 (1.38%) Power BI
9 2 (1.38%) Relational Database
9 2 (1.38%) Text Mining
10 1 (0.69%) RDBMS
Development Applications
1 18 (12.41%) Jenkins
2 15 (10.34%) JIRA
3 13 (8.97%) Git (software)
4 10 (6.90%) Maven
5 8 (5.52%) Ant
5 8 (5.52%) CruiseControl
5 8 (5.52%) TeamCity
6 5 (3.45%) Concordion
6 5 (3.45%) Cucumber
6 5 (3.45%) GitLab
6 5 (3.45%) JUnit
6 5 (3.45%) Mockito
6 5 (3.45%) Selenium
6 5 (3.45%) SoapUI
6 5 (3.45%) SonarQube
6 5 (3.45%) Subversion
6 5 (3.45%) WebDriver
7 3 (2.07%) Atlassian Bamboo
7 3 (2.07%) FishEye
7 3 (2.07%) Sonatype Nexus
General
1 33 (22.76%) Finance
2 19 (13.10%) Banking
2 19 (13.10%) Retail
3 12 (8.28%) Corporate Banking
3 12 (8.28%) Retail Banking
4 11 (7.59%) Telecoms
5 6 (4.14%) Back Office
5 6 (4.14%) Front Office
6 2 (1.38%) Investment Banking
6 2 (1.38%) Legal
7 1 (0.69%) Advertising
7 1 (0.69%) Electronics
7 1 (0.69%) Financial Institution
7 1 (0.69%) Games
7 1 (0.69%) Publishing
Job Titles
1 32 (22.07%) Developer
2 25 (17.24%) Analyst
3 14 (9.66%) Security Analyst
4 12 (8.28%) Consultant
5 9 (6.21%) Security Engineer
6 8 (5.52%) IT Engineer
6 8 (5.52%) IT Security Engineer
6 8 (5.52%) SIEM Analyst
7 7 (4.83%) Automation Tester
7 7 (4.83%) Tester
8 6 (4.14%) Back Office Engineer
8 6 (4.14%) Network Engineer
9 5 (3.45%) Cisco Engineer
9 5 (3.45%) Cisco Network Engineer
9 5 (3.45%) Data Analyst
9 5 (3.45%) Senior Cisco Engineer
9 5 (3.45%) Senior Cisco Network Engineer
9 5 (3.45%) Senior Network Engineer
9 5 (3.45%) Splunk Engineer
9 5 (3.45%) Test Engineer
Libraries, Frameworks & Software Standards
1 11 (7.59%) JSON
1 11 (7.59%) Web Services
2 9 (6.21%) JSP
3 6 (4.14%) SOAP
3 6 (4.14%) Spring
4 5 (3.45%) Apache Felix
4 5 (3.45%) Apache Sling
4 5 (3.45%) Guice
4 5 (3.45%) J2EE
4 5 (3.45%) Java SE
4 5 (3.45%) RESTful
4 5 (3.45%) Servlets
5 4 (2.76%) HTML
5 4 (2.76%) HTML5
6 3 (2.07%) LAMP
7 2 (1.38%) .NET
7 2 (1.38%) Flask
7 2 (1.38%) Natural Language Processing
7 2 (1.38%) Twitter Bootstrap
8 1 (0.69%) Breeze.js
Miscellaneous
1 32 (22.07%) Management Information System
2 20 (13.79%) Analytical Skills
3 13 (8.97%) Computer Science
4 9 (6.21%) Data Centre
5 6 (4.14%) Security Operations Centre
6 3 (2.07%) Cyber Attack
6 3 (2.07%) iPad
6 3 (2.07%) NHS
6 3 (2.07%) PKI
6 3 (2.07%) Replication
7 2 (1.38%) Algorithms
7 2 (1.38%) CCTV
7 2 (1.38%) CESG
7 2 (1.38%) Distributed Denial-of-Service
7 2 (1.38%) Foreign Exchange (FX)
7 2 (1.38%) Handset
7 2 (1.38%) Social Network
7 2 (1.38%) User Experience
7 2 (1.38%) Video Conferencing
8 1 (0.69%) Driving Licence
Operating Systems
1 37 (25.52%) Windows
2 24 (16.55%) Linux
3 10 (6.90%) Mac OS X
4 3 (2.07%) Apple iOS
4 3 (2.07%) Unix
4 3 (2.07%) Windows 10
4 3 (2.07%) Windows 7
4 3 (2.07%) Windows Server
4 3 (2.07%) Windows Server 2008
5 2 (1.38%) CentOS
5 2 (1.38%) Red Hat Enterprise Linux
5 2 (1.38%) Windows 8
5 2 (1.38%) Windows Server 2012
6 1 (0.69%) Solaris
6 1 (0.69%) Windows Phone
6 1 (0.69%) Windows Server 2003
6 1 (0.69%) Windows XP
Processes & Methodologies
1 38 (26.21%) Agile Software Development
2 24 (16.55%) Information Security
2 24 (16.55%) SIEM
3 22 (15.17%) ITIL
4 20 (13.79%) Vulnerability Management
5 18 (12.41%) Stakeholder Management
6 17 (11.72%) Identity Access Management
6 17 (11.72%) Migration
6 17 (11.72%) Web Filtering
7 16 (11.03%) Analytics
7 16 (11.03%) Data Analysis
7 16 (11.03%) Functional Testing
8 15 (10.34%) Continuous Integration
8 15 (10.34%) Visualisation
9 14 (9.66%) Email Filtering
9 14 (9.66%) Security Operations
9 14 (9.66%) TDD
10 13 (8.97%) Risk Management
11 12 (8.28%) Investment Management
11 12 (8.28%) Vulnerability Assessment
Programming Languages
1 26 (17.93%) SQL
2 21 (14.48%) Python
3 20 (13.79%) Shell Script
4 17 (11.72%) Java
5 15 (10.34%) T-SQL
6 14 (9.66%) C#
7 13 (8.97%) Scala
8 9 (6.21%) JavaScript
9 7 (4.83%) PowerShell
10 5 (3.45%) AspectJ
10 5 (3.45%) Groovy
10 5 (3.45%) VBA
11 4 (2.76%) Bash Shell
11 4 (2.76%) C++
12 3 (2.07%) MATLAB
12 3 (2.07%) Perl
12 3 (2.07%) PL/SQL
12 3 (2.07%) R
13 2 (1.38%) Ruby
14 1 (0.69%) Objective-C
Qualifications
1 25 (17.24%) Degree
2 19 (13.10%) Cisco Certification
3 17 (11.72%) CISSP
4 10 (6.90%) (ISC)2 CCSP
4 10 (6.90%) CCSP
4 10 (6.90%) CISM
4 10 (6.90%) SANS
5 8 (5.52%) Security Cleared
6 7 (4.83%) SC Cleared
7 5 (3.45%) CCIE
7 5 (3.45%) CCNA
8 4 (2.76%) CCNP
8 4 (2.76%) DV Cleared
9 3 (2.07%) GCIH
9 3 (2.07%) GIAC
10 2 (1.38%) ITIL Certification
11 1 (0.69%) BC Cleared
11 1 (0.69%) ISEB
11 1 (0.69%) PMI Certification
11 1 (0.69%) Six Sigma Black Belt
Quality Assurance & Compliance
1 17 (11.72%) PCI DSS
2 7 (4.83%) ISO/IEC 27001
3 3 (2.07%) Data Quality
3 3 (2.07%) SDET
4 1 (0.69%) MiFID
4 1 (0.69%) QA
4 1 (0.69%) RMADS
4 1 (0.69%) SLA
System Software
1 14 (9.66%) VMware Infrastructure
2 9 (6.21%) vSphere
3 8 (5.52%) Active Directory
4 5 (3.45%) BitLocker
5 4 (2.76%) Hyper-V
6 3 (2.07%) Terminal Services
6 3 (2.07%) VirtualBox
7 2 (1.38%) XenApp
8 1 (0.69%) Docker
Systems Management
1 7 (4.83%) Nessus
1 7 (4.83%) Network Intrusion Detection System
2 4 (2.76%) CSIRT
2 4 (2.76%) QRadar
3 2 (1.38%) Ansible
3 2 (1.38%) Cobbler
3 2 (1.38%) Microsoft Intune
3 2 (1.38%) Puppet
3 2 (1.38%) Red Hat Spacewalk
3 2 (1.38%) SCCM
4 1 (0.69%) Failover Clustering
4 1 (0.69%) McAfee ePO
Vendors
1 27 (18.62%) Microsoft
2 17 (11.72%) VMware
3 16 (11.03%) Cisco
4 15 (10.34%) Splunk
5 12 (8.28%) Cloudera
5 12 (8.28%) Hortonworks
6 11 (7.59%) LogRhythm
7 9 (6.21%) CheckPoint
7 9 (6.21%) Rapid7
8 8 (5.52%) Dell
9 7 (4.83%) AlienVault
9 7 (4.83%) Huawei
10 6 (4.14%) Google
11 5 (3.45%) Blue Coat
11 5 (3.45%) Citrix
11 5 (3.45%) F5
11 5 (3.45%) NetScout
12 4 (2.76%) Aruba
12 4 (2.76%) Atlassian
12 4 (2.76%) Oracle
London
Experis Ltd
Rate: £155 - £175 per day
Posted: 5 days ago
London
Haysfm
Rate: £400.00 - £500.00 per day
Posted: 2 days ago