Period
to 19 November 2018

The following table provides summary statistics for contract job vacancies advertised in Central London with a requirement for Performance Optimisation skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Performance Optimisation over the 6 months to 19 November 2018 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.

Performance Optimisation
London > Central London
6 months to
19 Nov 2018
Same period 2017 Same period 2016
Rank 266 234 254
Rank change year-on-year -32 +20 +22
Contract jobs citing Performance Optimisation 30 46 18
As % of all contract IT jobs advertised in Central London 0.33% 0.55% 0.22%
As % of the Processes & Methodologies category 0.37% 0.62% 0.25%
Number of daily rates quoted 24 43 14
Central London median daily rate £675 £488 £600
Median daily rate % change year-on-year +38.46% -18.75% +33.33%
10th Percentile £477 £425 £334
90th Percentile £775 £638 £625
London median daily rate £600 £500 £550
% change year-on-year +20.00% -9.09% +10.00%
Number of hourly rates quoted 0 0 0
Central London median hourly rate - - -
London median hourly rate £47.50 £60.00 -
% change year-on-year -20.83% - -

Performance Optimisation is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Central London with a requirement for process or methodology skills.

All Process and Methodology Skills
Central London
Contract vacancies with a requirement for process or methodology skills 8,029 7,444 7,120
As % of all contract IT jobs advertised in Central London 87.78% 88.84% 88.35%
Number of daily rates quoted 6,237 5,780 5,557
Central London median daily rate £500 £500 £475
Median daily rate % change year-on-year - +5.26% +5.56%
10th Percentile £325 £325 £313
90th Percentile £675 £675 £650
London median daily rate £500 £500 £475
% change year-on-year - +5.26% +5.56%
Number of hourly rates quoted 104 77 62
Central London median hourly rate £19.13 £20.00 £19.46
Median hourly rate % change year-on-year -4.38% +2.77% -2.70%
10th Percentile £13.52 £13.36 £11.25
90th Percentile £33.53 £34.62 £54.51
London median hourly rate £23.13 £22.50 £22.00
% change year-on-year +2.80% +2.27% +10.00%

Performance Optimisation
Job Vacancy Trend in Central London

Job postings citing Performance Optimisation as a percentage of all IT jobs advertised in Central London.

Job vacancy trend for Performance Optimisation in Central London

Performance Optimisation
Contractor Daily Rate Trend in Central London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Performance Optimisation in Central London.

Contractor daily rate trend for Performance Optimisation in Central London

Performance Optimisation
Contractor Daily Rate Histogram in Central London

The daily rate distribution of IT jobs citing Performance Optimisation in Central London over the 6 months to 19 November 2018.

Contractor daily rate histogram for Performance Optimisation in Central London

Performance Optimisation
Contract Job Locations in Central London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Performance Optimisation within the Central London region over the 6 months to 19 November 2018. 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
City of London -24 28 £725 +48.72% 11
Southwark - 1 £510 -
West End of London - 1 - - 4
Camden - 1 - -
Performance Optimisation
London

For the 6 months to 19 November 2018, IT contractor jobs citing Performance Optimisation also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Central London region with a requirement for Performance Optimisation.

1 19 (63.33%) Java
2 16 (53.33%) Multithreading
3 14 (46.67%) Low Latency
3 14 (46.67%) Front Office
3 14 (46.67%) Foreign Exchange (FX)
4 12 (40.00%) Algorithmic Trading
4 12 (40.00%) FX Algorithmic Trading
5 11 (36.67%) Multithreaded Programming
6 10 (33.33%) SQL
7 9 (30.00%) Agile Software Development
8 8 (26.67%) Banking
8 8 (26.67%) Finance
9 7 (23.33%) TDD
10 6 (20.00%) Software Engineering
10 6 (20.00%) Oracle
10 6 (20.00%) PL/SQL
11 5 (16.67%) Linux
11 5 (16.67%) Shell Script
11 5 (16.67%) JSON
11 5 (16.67%) Equities
11 5 (16.67%) Git (software)
11 5 (16.67%) Node.js
12 4 (13.33%) Amazon AWS
12 4 (13.33%) QA
12 4 (13.33%) Atlassian
12 4 (13.33%) Scrum
12 4 (13.33%) Requirements Analysis
12 4 (13.33%) SQLPlus
12 4 (13.33%) JavaScript
12 4 (13.33%) Perl

Performance Optimisation
Co-occurring IT Skills in Central 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 1 (3.33%) Adobe Experience Manager
1 1 (3.33%) Elasticsearch
Cloud Services
1 4 (13.33%) Amazon AWS
2 3 (10.00%) GitHub
2 3 (10.00%) npm
3 2 (6.67%) Cloud Computing
3 2 (6.67%) Google Play
4 1 (3.33%) Serverless
Communications & Networking
1 2 (6.67%) DMARC
Database & Business Intelligence
1 4 (13.33%) SQLPlus
2 3 (10.00%) Oracle Database
3 2 (6.67%) Data Warehouse
3 2 (6.67%) MySQL
3 2 (6.67%) Oracle Database 11g
4 1 (3.33%) Neo4j
4 1 (3.33%) NoSQL
4 1 (3.33%) Oracle Database 12c
4 1 (3.33%) PostgreSQL
Development Applications
1 5 (16.67%) Git (software)
2 3 (10.00%) webpack
3 2 (6.67%) Android Studio
3 2 (6.67%) Babel
3 2 (6.67%) Genymotion
3 2 (6.67%) Gradle
3 2 (6.67%) JIRA
4 1 (3.33%) Bower
4 1 (3.33%) CircleCI
4 1 (3.33%) CocoaPods
4 1 (3.33%) fastlane
4 1 (3.33%) gulp
4 1 (3.33%) Mocha
4 1 (3.33%) Travis CI
General
1 14 (46.67%) Front Office
2 8 (26.67%) Banking
2 8 (26.67%) Finance
3 3 (10.00%) Marketing
3 3 (10.00%) Telecoms
4 1 (3.33%) Games
4 1 (3.33%) Retail
Job Titles
1 25 (83.33%) Developer
2 16 (53.33%) Java Developer
3 3 (10.00%) Front Office Developer
3 3 (10.00%) React Developer
4 2 (6.67%) Android Developer
4 2 (6.67%) Applications Developer
4 2 (6.67%) C# Developer
4 2 (6.67%) Consultant
4 2 (6.67%) CRM Consultant
4 2 (6.67%) ETL Consultant
4 2 (6.67%) Java Android Developer
4 2 (6.67%) Java Applications Developer
4 2 (6.67%) Java Mobile Developer
4 2 (6.67%) Low Latency Java Developer
4 2 (6.67%) Mobile Applications Developer
4 2 (6.67%) Oracle Consultant
4 2 (6.67%) Oracle CRM Consultant
4 2 (6.67%) Perl Developer
4 2 (6.67%) Senior Consultant
4 2 (6.67%) Senior Oracle Consultant
Libraries, Frameworks & Software Standards
1 5 (16.67%) JSON
1 5 (16.67%) Node.js
2 3 (10.00%) CSS
2 3 (10.00%) CSS3
2 3 (10.00%) FIX Protocol
2 3 (10.00%) HTML
2 3 (10.00%) HTML5
2 3 (10.00%) React
2 3 (10.00%) REST
2 3 (10.00%) Sass
3 2 (6.67%) React Native
3 2 (6.67%) Redux
3 2 (6.67%) RESTful
3 2 (6.67%) Velocity
3 2 (6.67%) WebSockets
3 2 (6.67%) XML
4 1 (3.33%) AngularJS
4 1 (3.33%) iOS SDK
4 1 (3.33%) Jest
4 1 (3.33%) UIKit
Miscellaneous
1 14 (46.67%) Foreign Exchange (FX)
2 5 (16.67%) Equities
3 3 (10.00%) Computer Science
3 3 (10.00%) User Experience
4 2 (6.67%) Mobile App
5 1 (3.33%) Analytical Skills
5 1 (3.33%) Apple TV
5 1 (3.33%) iPad
5 1 (3.33%) iPhone
5 1 (3.33%) Linux Command Line
5 1 (3.33%) Over-the-Top Content
5 1 (3.33%) Video on Demand
5 1 (3.33%) Video\Live Streaming
5 1 (3.33%) Virtual Team
Operating Systems
1 5 (16.67%) Linux
2 3 (10.00%) Android
2 3 (10.00%) Unix
3 2 (6.67%) Apple iOS
4 1 (3.33%) tvOS
Processes & Methodologies
1 16 (53.33%) Multithreading
2 14 (46.67%) Low Latency
3 12 (40.00%) Algorithmic Trading
3 12 (40.00%) FX Algorithmic Trading
4 11 (36.67%) Multithreaded Programming
5 9 (30.00%) Agile Software Development
6 7 (23.33%) TDD
7 6 (20.00%) Software Engineering
8 4 (13.33%) Requirements Analysis
8 4 (13.33%) Scrum
8 4 (13.33%) SDLC
8 4 (13.33%) Software Delivery
9 3 (10.00%) BDD
9 3 (10.00%) Concurrent Programming
9 3 (10.00%) Data Modelling
9 3 (10.00%) Dependency Management
9 3 (10.00%) Market Making
9 3 (10.00%) OO
9 3 (10.00%) Problem-Solving
10 2 (6.67%) ETL
Programming Languages
1 19 (63.33%) Java
2 10 (33.33%) SQL
3 6 (20.00%) PL/SQL
4 5 (16.67%) Shell Script
5 4 (13.33%) JavaScript
5 4 (13.33%) Perl
6 2 (6.67%) C#
6 2 (6.67%) ES6
6 2 (6.67%) Kotlin
6 2 (6.67%) TypeScript
7 1 (3.33%) Apple Swift
Qualifications
1 3 (10.00%) Degree
Quality Assurance & Compliance
1 4 (13.33%) QA
System Software
1 1 (3.33%) Docker
Systems Management
1 1 (3.33%) Ansible
Vendors
1 6 (20.00%) Oracle
2 4 (13.33%) Atlassian
3 3 (10.00%) Currenex
4 2 (6.67%) Google
4 2 (6.67%) Salesforce Marketing Cloud
4 2 (6.67%) Salesforce.com
4 2 (6.67%) Talend
5 1 (3.33%) Adobe
5 1 (3.33%) Apple