Period
to 18 March 2019

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for Performance Optimisation skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Performance Optimisation over the 6 months to 18 March 2019 with a comparison to the same period in the previous 2 years.

Performance Optimisation
England > London
6 months to
18 Mar 2019
Same period 2018 Same period 2017
Rank 610 606 534
Rank change year-on-year -4 -72 +13
Permanent jobs citing Performance Optimisation 152 239 299
As % of all permanent IT jobs advertised in London 0.25% 0.35% 0.43%
As % of the Processes & Methodologies category 0.27% 0.37% 0.47%
Number of salaries quoted 117 212 257
London median annual salary £67,500 £60,000 £65,000
Median salary % change year-on-year +12.50% -7.69% +18.18%
10th Percentile £51,250 £45,000 £45,000
90th Percentile £92,500 £92,250 £131,250
England median annual salary £60,000 £52,500 £57,500
% change year-on-year +14.29% -8.70% +15.00%

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

All Process and Methodology Skills
London
Permanent vacancies with a requirement for process or methodology skills 56,594 64,202 63,516
As % of all permanent IT jobs advertised in London 92.18% 92.78% 92.05%
Number of salaries quoted 45,769 53,121 53,522
London median annual salary £62,500 £60,000 £60,000
Median salary % change year-on-year +4.17% - +9.09%
10th Percentile £36,250 £35,000 £33,750
90th Percentile £95,000 £92,500 £90,000
England median annual salary £52,500 £50,000 £49,500
% change year-on-year +5.00% +1.01% +4.21%

Performance Optimisation
Job Vacancy Trend in London

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

Job vacancy trend for Performance Optimisation in London

Performance Optimisation
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Performance Optimisation in London.

Salary trend for Performance Optimisation in London

Performance Optimisation
Salary Histogram in London

The salary distribution of IT jobs citing Performance Optimisation in London over the 6 months to 18 March 2019.

Salary histogram for Performance Optimisation in London

Performance Optimisation
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Performance Optimisation within the London region over the 6 months to 18 March 2019. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London +26 27 £67,500 +17.39% 12
West London +18 7 £57,500 -20.69% 5
East London - 2 £47,500 - 1
Performance Optimisation
England

For the 6 months to 18 March 2019, IT 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 permanent job ads across the London region with a requirement for Performance Optimisation.

1 70 (46.05%) Agile Software Development
2 65 (42.76%) Python
3 61 (40.13%) JavaScript
4 47 (30.92%) Java
5 46 (30.26%) SQL
6 44 (28.95%) Problem-Solving
7 43 (28.29%) Linux
8 38 (25.00%) Perl
9 37 (24.34%) Algorithms
10 35 (23.03%) C#
11 34 (22.37%) C++
12 32 (21.05%) SQL Server
12 32 (21.05%) Analytical Skills
13 29 (19.08%) CSS
13 29 (19.08%) OO
14 28 (18.42%) Windows
15 27 (17.76%) Degree
16 26 (17.11%) Spring
16 26 (17.11%) Git (software)
16 26 (17.11%) Go
17 24 (15.79%) Oracle
17 24 (15.79%) Data Structures
18 23 (15.13%) OOP
18 23 (15.13%) OOD
18 23 (15.13%) Objective-C
19 21 (13.82%) Finance
19 21 (13.82%) QA
19 21 (13.82%) XML
19 21 (13.82%) HTML
19 21 (13.82%) AngularJS

Performance Optimisation
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 18 (11.84%) IIS
2 13 (8.55%) Apache
3 10 (6.58%) Elasticsearch
3 10 (6.58%) Tomcat
4 9 (5.92%) Confluence
5 8 (5.26%) MS Exchange
6 6 (3.95%) Drupal
7 4 (2.63%) Apache Spark
8 3 (1.97%) DataSynapse
8 3 (1.97%) JBoss
8 3 (1.97%) Oracle Coherence
8 3 (1.97%) SAS
8 3 (1.97%) WebLogic
8 3 (1.97%) WebSphere
9 2 (1.32%) ArcGIS
9 2 (1.32%) GlassFish
9 2 (1.32%) WebLogic Portal
10 1 (0.66%) nginx
10 1 (0.66%) WildFly
Applications
1 10 (6.58%) Microsoft Excel
2 8 (5.26%) MS Visio
3 4 (2.63%) Microsoft Office
Business Applications
1 2 (1.32%) Magento
2 1 (0.66%) Payment Gateway
Cloud Services
1 18 (11.84%) Microsoft Azure
2 12 (7.89%) Amazon AWS
3 10 (6.58%) Apigee
4 8 (5.26%) IaaS
5 6 (3.95%) Google Cloud Platform
6 3 (1.97%) Azure Active Directory
6 3 (1.97%) Cloud Computing
6 3 (1.97%) npm
7 2 (1.32%) Amazon Kinesis
7 2 (1.32%) GitHub
8 1 (0.66%) Amazon EMR
8 1 (0.66%) Office 365
8 1 (0.66%) Serverless
Communications & Networking
1 13 (8.55%) HTTP
2 12 (7.89%) Internet
3 11 (7.24%) SAN
4 9 (5.92%) SSL
5 8 (5.26%) Cisco ASA
5 8 (5.26%) DNS
5 8 (5.26%) Firewall
5 8 (5.26%) iSCSI
5 8 (5.26%) NAS
5 8 (5.26%) NetScaler
5 8 (5.26%) TCP/IP
5 8 (5.26%) WAN
6 2 (1.32%) Bluetooth
6 2 (1.32%) Ethernet
6 2 (1.32%) MQTT
6 2 (1.32%) Wi-Fi
7 1 (0.66%) Kerberos
Database & Business Intelligence
1 32 (21.05%) SQL Server
2 20 (13.16%) Data Warehouse
3 14 (9.21%) MySQL
3 14 (9.21%) SQL Server Integration Services
4 12 (7.89%) Hadoop
5 11 (7.24%) Big Data
5 11 (7.24%) NoSQL
6 10 (6.58%) BusinessObjects
7 6 (3.95%) Power BI
7 6 (3.95%) SQL Server Reporting Services
8 5 (3.29%) Looker
8 5 (3.29%) QlikView
8 5 (3.29%) Star Schema
9 3 (1.97%) Apache Cassandra
9 3 (1.97%) Azure SQL Database
9 3 (1.97%) Blockchain
9 3 (1.97%) SAP HANA
10 2 (1.32%) MariaDB
10 2 (1.32%) Oracle Database
10 2 (1.32%) Relational Database
Development Applications
1 26 (17.11%) Git (software)
2 9 (5.92%) JIRA
3 8 (5.26%) Octopus Deploy
3 8 (5.26%) SQL Server Management Studio (SSMS)
4 6 (3.95%) Jenkins
5 5 (3.29%) gulp
6 4 (2.63%) Maven
7 3 (1.97%) Atlassian Bamboo
7 3 (1.97%) Grunt
7 3 (1.97%) Travis CI
8 2 (1.32%) Ant
8 2 (1.32%) Eclipse
8 2 (1.32%) IntelliJ
8 2 (1.32%) jMock
8 2 (1.32%) SonarQube
8 2 (1.32%) Subversion
9 1 (0.66%) Cucumber
9 1 (0.66%) Hudson
9 1 (0.66%) Jasmine
9 1 (0.66%) Selenium
General
1 21 (13.82%) Finance
2 7 (4.61%) Banking
2 7 (4.61%) Front Office
2 7 (4.61%) Telecoms
3 2 (1.32%) Electronics
3 2 (1.32%) Investment Banking
3 2 (1.32%) Manufacturing
4 1 (0.66%) Advertising
4 1 (0.66%) Games
4 1 (0.66%) Greek Language
4 1 (0.66%) Marketing
4 1 (0.66%) Pharmaceutical
4 1 (0.66%) Publishing
4 1 (0.66%) Retail Banking
Job Titles
1 88 (57.89%) Developer
2 32 (21.05%) Senior Developer
3 25 (16.45%) Java Developer
4 15 (9.87%) Software Engineer
5 14 (9.21%) Senior Java Developer
6 13 (8.55%) Architect
7 11 (7.24%) Front End Developer (Client-Side Developer)
7 11 (7.24%) Senior Software Engineer
8 10 (6.58%) Informatica Developer
8 10 (6.58%) JavaScript Developer
9 9 (5.92%) Technical Architect
10 8 (5.26%) Administrator
10 8 (5.26%) Cloud Architect
10 8 (5.26%) Cloud Infrastructure Architect
10 8 (5.26%) DBA
10 8 (5.26%) Infrastructure Technical Architect
10 8 (5.26%) Technical Infrastructure Architect
11 7 (4.61%) Junior
11 7 (4.61%) Systems Engineer
12 6 (3.95%) Software Developer
Libraries, Frameworks & Software Standards
1 29 (19.08%) CSS
2 26 (17.11%) Spring
3 21 (13.82%) AngularJS
3 21 (13.82%) HTML
3 21 (13.82%) XML
4 18 (11.84%) Node.js
5 17 (11.18%) React
6 16 (10.53%) .NET
6 16 (10.53%) Web Services
7 14 (9.21%) JSON
8 13 (8.55%) HTML5
8 13 (8.55%) REST
9 10 (6.58%) .NET Core
9 10 (6.58%) GraphQL
9 10 (6.58%) Handlebars
9 10 (6.58%) Java EE
9 10 (6.58%) RESTful
10 9 (5.92%) jQuery
11 8 (5.26%) CSS3
11 8 (5.26%) Twitter Bootstrap
Miscellaneous
1 37 (24.34%) Algorithms
2 32 (21.05%) Analytical Skills
3 24 (15.79%) Data Structures
4 14 (9.21%) Clustering
4 14 (9.21%) User Experience
5 8 (5.26%) Greenfield Project
5 8 (5.26%) Replication
5 8 (5.26%) Self-Motivation
6 6 (3.95%) Private Cloud
7 3 (1.97%) Hedge funds
8 2 (1.32%) Fintech
8 2 (1.32%) iPhone
8 2 (1.32%) Mobile App
9 1 (0.66%) Client/Server
9 1 (0.66%) Data Centre
9 1 (0.66%) Foreign Exchange (FX)
9 1 (0.66%) Life Science
9 1 (0.66%) Linux Command Line
9 1 (0.66%) W3C
Operating Systems
1 43 (28.29%) Linux
2 28 (18.42%) Windows
3 17 (11.18%) Unix
4 9 (5.92%) Windows Server 2008
4 9 (5.92%) Windows Server 2012
5 8 (5.26%) AIX
5 8 (5.26%) Windows 8
6 5 (3.29%) Red Hat Enterprise Linux
7 4 (2.63%) Android
8 1 (0.66%) VMS
8 1 (0.66%) Windows Server
Processes & Methodologies
1 70 (46.05%) Agile Software Development
2 44 (28.95%) Problem-Solving
3 29 (19.08%) OO
4 23 (15.13%) OOD
4 23 (15.13%) OOP
5 20 (13.16%) DevOps
6 19 (12.50%) Analytics
6 19 (12.50%) Machine Learning
6 19 (12.50%) Software Engineering
7 18 (11.84%) Business Intelligence
8 17 (11.18%) BDD
8 17 (11.18%) Open Source
8 17 (11.18%) TDD
9 15 (9.87%) E-Commerce
9 15 (9.87%) Front End Development
9 15 (9.87%) Test Automation
10 14 (9.21%) Load Balancing
10 14 (9.21%) Mathematics
10 14 (9.21%) Scrum
10 14 (9.21%) Unit Testing
Programming Languages
1 65 (42.76%) Python
2 61 (40.13%) JavaScript
3 47 (30.92%) Java
4 46 (30.26%) SQL
5 38 (25.00%) Perl
6 35 (23.03%) C#
7 34 (22.37%) C++
8 26 (17.11%) Go
9 23 (15.13%) Objective-C
10 16 (10.53%) PowerShell
11 13 (8.55%) Bash Shell
12 9 (5.92%) T-SQL
13 8 (5.26%) ES6
13 8 (5.26%) PHP
14 5 (3.29%) R
15 2 (1.32%) ABAP
15 2 (1.32%) C
15 2 (1.32%) PL/SQL
16 1 (0.66%) TypeScript
16 1 (0.66%) VB.NET
Qualifications
1 27 (17.76%) Degree
2 8 (5.26%) Computer Science Degree
3 4 (2.63%) Numerate Degree
4 3 (1.97%) Master's Degree
4 3 (1.97%) PhD
5 1 (0.66%) MCSE
5 1 (0.66%) Microsoft Certification
5 1 (0.66%) RHCE
Quality Assurance & Compliance
1 21 (13.82%) QA
2 10 (6.58%) Data Quality
3 5 (3.29%) PCI DSS
System Software
1 14 (9.21%) Docker
2 12 (7.89%) VMware Infrastructure
3 11 (7.24%) Active Directory
4 8 (5.26%) NFS
5 3 (1.97%) EMC RecoverPoint
5 3 (1.97%) VMware ESXi
5 3 (1.97%) VMware NSX
5 3 (1.97%) Xen
6 1 (0.66%) HDFS
6 1 (0.66%) Virtual Machines
Systems Management
1 8 (5.26%) Control-M
1 8 (5.26%) FortiGate
1 8 (5.26%) Kubernetes
2 6 (3.95%) Ansible
3 5 (3.29%) Terraform
4 3 (1.97%) NetBackup
4 3 (1.97%) SCOM
5 1 (0.66%) Grafana
5 1 (0.66%) Prometheus
Vendors
1 24 (15.79%) Oracle
2 15 (9.87%) Microsoft
2 15 (9.87%) VMware
3 14 (9.21%) IBM
4 13 (8.55%) Red Hat
5 12 (7.89%) Informatica
6 11 (7.24%) SAP
7 8 (5.26%) Cisco
7 8 (5.26%) Citrix
7 8 (5.26%) Juniper
7 8 (5.26%) NetApp
7 8 (5.26%) Tableau
8 7 (4.61%) EMC
9 6 (3.95%) NVIDIA
10 4 (2.63%) F5
11 3 (1.97%) CommVault
11 3 (1.97%) Google
11 3 (1.97%) Perforce
11 3 (1.97%) Veritas
12 2 (1.32%) Cognos