Period
to 20 April 2021

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Performance Tuning skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Performance Tuning over the 6 months to 20 April 2021 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 Tuning
Central London > City of London
6 months to
20 Apr 2021
Same period 2020 Same period 2019
Rank 95 134 188
Rank change year-on-year +39 +54 -7
Contract jobs citing Performance Tuning 47 33 56
As % of all contract jobs advertised in the City of London 1.89% 0.84% 0.83%
As % of the Processes & Methodologies category 2.09% 0.97% 0.93%
Number of daily rates quoted 38 26 42
10th Percentile £430 £413 "
25th Percentile £471 £511 £413
Median daily rate (50th Percentile) £588 £675 £488
Median % change year-on-year -12.96% +38.46% +2.63%
75th Percentile £700 £763 £609
90th Percentile " £863 £698
Central London median daily rate £588 £675 £500
% change year-on-year -12.96% +35.00% +5.26%
Number of hourly rates quoted 0 0 1
Median hourly rate - - £23.13
Central London median hourly rate - - £23.13

Performance Tuning 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 the City of London with a requirement for process or methodology skills.

All Process and Methodology Skills
City of London
Contract vacancies with a requirement for process or methodology skills 2,249 3,418 6,041
As % of all contract IT jobs advertised in the City of London 90.50% 87.37% 89.59%
Number of daily rates quoted 1,660 2,563 4,685
10th Percentile £334 £331 £325
25th Percentile £425 £413 £425
Median daily rate (50th Percentile) £525 £525 £525
75th Percentile £619 £613 £600
90th Percentile £700 £675 £675
Central London median daily rate £525 £513 £525
% change year-on-year +2.44% -2.38% +5.00%
Number of hourly rates quoted 20 50 53
10th Percentile £12.34 £12.42 £11.25
25th Percentile £13.88 £14.00 £16.25
Median hourly rate £23.23 £21.37 £22.00
Median % change year-on-year +8.69% -2.88% +11.39%
75th Percentile £27.25 £38.75 £33.50
90th Percentile £40.83 £52.33 £37.50
Central London median hourly rate £22.50 £22.12 £21.50
% change year-on-year +1.73% +2.87% +7.50%

Performance Tuning
Job Vacancy Trend in the City of London

Job postings citing Performance Tuning as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for Performance Tuning in the City of London

Performance Tuning
Contractor Daily Rate Trend in the City of London

3-month moving average daily rate quoted in jobs citing Performance Tuning in the City of London.

Daily rate trend for Performance Tuning in the City of London

Performance Tuning
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Performance Tuning in the City of London over the 6 months to 20 April 2021.

Daily rate histogram for Performance Tuning in the City of London

Performance Tuning
Contractor Hourly Rate Trend in the City of London

3-month moving average hourly rates quoted in jobs citing Performance Tuning in the City of London.

Hourly rate trend for Performance Tuning in the City of London

For the 6 months to 20 April 2021, IT contractor jobs citing Performance Tuning 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 City of London region with a requirement for Performance Tuning.

1 24 (51.06%) SQL
1 24 (51.06%) Agile Software Development
2 22 (46.81%) Java
3 21 (44.68%) Oracle
3 21 (44.68%) Banking
4 20 (42.55%) Linux
5 18 (38.30%) JavaScript
6 17 (36.17%) OO
6 17 (36.17%) Spring
7 16 (34.04%) Finance
7 16 (34.04%) High Availability
8 14 (29.79%) Microservices
9 13 (27.66%) Relational Database
9 13 (27.66%) Capacity Planning
9 13 (27.66%) Continuous Integration
9 13 (27.66%) Clustering
10 12 (25.53%) REST
10 12 (25.53%) Jenkins
11 11 (23.40%) Enterprise Software
11 11 (23.40%) Web Development
11 11 (23.40%) Scalability Testing
11 11 (23.40%) HTML5
11 11 (23.40%) HTML
11 11 (23.40%) Java 8
12 10 (21.28%) Spring Boot
13 9 (19.15%) Python
13 9 (19.15%) AWS
13 9 (19.15%) AngularJS
14 8 (17.02%) Root Cause Analysis
14 8 (17.02%) DevOps

Performance Tuning
Co-occurring IT Skills in the City of 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 7 (14.89%) Apache
1 7 (14.89%) Red Hat Fuse
2 3 (6.38%) Apache Airflow
2 3 (6.38%) Apache Spark
2 3 (6.38%) nginx
3 2 (4.26%) SAS
3 2 (4.26%) SharePoint
4 1 (2.13%) Confluence
4 1 (2.13%) Oracle Coherence
4 1 (2.13%) Oracle SOA Suite
Applications
1 1 (2.13%) SPSS
Business Applications
1 1 (2.13%) OpenText VIM for SAP
1 1 (2.13%) Oracle BPM
1 1 (2.13%) SAP MDG
1 1 (2.13%) SAP MDM
Cloud Services
1 9 (19.15%) AWS
2 4 (8.51%) Amazon ECS
2 4 (8.51%) Amazon ElastiCache
2 4 (8.51%) Amazon Kinesis
2 4 (8.51%) AWS CloudFormation
3 3 (6.38%) Amazon EC2
3 3 (6.38%) Amazon S3
3 3 (6.38%) AWS Lambda
3 3 (6.38%) PaaS
3 3 (6.38%) SaaS
3 3 (6.38%) Serverless
3 3 (6.38%) Virtual Private Cloud
4 2 (4.26%) Azure
5 1 (2.13%) Azure Data Factory
5 1 (2.13%) Datadog
5 1 (2.13%) GCP
5 1 (2.13%) GitHub
Communications & Networking
1 2 (4.26%) TCP/IP
2 1 (2.13%) Kerberos
Database & Business Intelligence
1 13 (27.66%) Relational Database
2 8 (17.02%) Oracle Database
2 8 (17.02%) PostgreSQL
3 7 (14.89%) Data Warehouse
4 6 (12.77%) MySQL
5 5 (10.64%) Hadoop
5 5 (10.64%) MongoDB
5 5 (10.64%) RDBMS
5 5 (10.64%) SQL Server
6 4 (8.51%) Amazon Aurora
6 4 (8.51%) Amazon RDS
6 4 (8.51%) Apache Hive
6 4 (8.51%) Hazelcast
6 4 (8.51%) NoSQL
6 4 (8.51%) Oracle Database 12c
6 4 (8.51%) Redis
7 3 (6.38%) Big Data
7 3 (6.38%) Spark SQL
8 1 (2.13%) Couchbase
8 1 (2.13%) SQL Server 2012
Development Applications
1 12 (25.53%) Jenkins
2 1 (2.13%) ERwin
2 1 (2.13%) JIRA
2 1 (2.13%) Oracle APEX
2 1 (2.13%) Serena SBM
2 1 (2.13%) Subversion
2 1 (2.13%) TeamCity
General
1 21 (44.68%) Banking
2 16 (34.04%) Finance
3 6 (12.77%) Investment Banking
4 2 (4.26%) Games
4 2 (4.26%) Retail
5 1 (2.13%) General Ledger
5 1 (2.13%) International Banking
5 1 (2.13%) Italian Language
5 1 (2.13%) Marketing
5 1 (2.13%) Pharmaceutical
Job Titles
1 20 (42.55%) Developer
2 11 (23.40%) Java Developer
3 9 (19.15%) Architect
4 7 (14.89%) Java Architect
4 7 (14.89%) Java Solutions Architect
4 7 (14.89%) Solutions Architect
5 6 (12.77%) DBA
6 5 (10.64%) Oracle DBA
7 4 (8.51%) DevOps Engineer
7 4 (8.51%) Oracle Developer
8 3 (6.38%) .NET Developer
8 3 (6.38%) Administrator
8 3 (6.38%) Consultant
8 3 (6.38%) Data Engineer
8 3 (6.38%) Hadoop Engineer
8 3 (6.38%) Platform Engineer
8 3 (6.38%) Senior Consultant
8 3 (6.38%) Senior Developer
9 2 (4.26%) Senior DevOps
9 2 (4.26%) Senior DevOps Consultant
Libraries, Frameworks & Software Standards
1 17 (36.17%) Spring
2 12 (25.53%) REST
3 11 (23.40%) HTML
3 11 (23.40%) HTML5
4 10 (21.28%) Spring Boot
5 9 (19.15%) AngularJS
6 7 (14.89%) Ajax
6 7 (14.89%) Apache Camel
6 7 (14.89%) GWT
6 7 (14.89%) Hibernate
6 7 (14.89%) JDBC
6 7 (14.89%) JMS
6 7 (14.89%) jQuery
6 7 (14.89%) JSF
6 7 (14.89%) Middleware
6 7 (14.89%) OSGi
6 7 (14.89%) RESTful
7 5 (10.64%) Node.js
8 4 (8.51%) FIX Protocol
8 4 (8.51%) Kafka
Miscellaneous
1 13 (27.66%) Clustering
2 11 (23.40%) Enterprise Software
3 7 (14.89%) Replication
4 5 (10.64%) Data Structures
5 4 (8.51%) Algorithms
6 3 (6.38%) Greenfield Project
7 2 (4.26%) Analytical Skills
7 2 (4.26%) Derivative
8 1 (2.13%) Client/Server
8 1 (2.13%) IBM Mainframe
8 1 (2.13%) Mainframe
8 1 (2.13%) Mobile App
Operating Systems
1 20 (42.55%) Linux
2 3 (6.38%) Windows
3 2 (4.26%) Red Hat Enterprise Linux
3 2 (4.26%) Unix
3 2 (4.26%) Windows Server
3 2 (4.26%) Windows Server 2008
3 2 (4.26%) Windows Server 2012
3 2 (4.26%) Windows Server 2016
3 2 (4.26%) Windows Server 2019
4 1 (2.13%) Android
4 1 (2.13%) zOS
Processes & Methodologies
1 24 (51.06%) Agile Software Development
2 17 (36.17%) OO
3 16 (34.04%) High Availability
4 14 (29.79%) Microservices
5 13 (27.66%) Capacity Planning
5 13 (27.66%) Continuous Integration
6 11 (23.40%) Scalability Testing
6 11 (23.40%) Web Development
7 8 (17.02%) DevOps
7 8 (17.02%) Migration
7 8 (17.02%) Multithreading
7 8 (17.02%) Root Cause Analysis
7 8 (17.02%) Scrum
8 7 (14.89%) Continuous Improvement
8 7 (14.89%) Extreme Programming
8 7 (14.89%) Open Source
8 7 (14.89%) RUP
9 6 (12.77%) Data Modelling
10 5 (10.64%) Software Engineering
10 5 (10.64%) TDD
Programming Languages
1 24 (51.06%) SQL
2 22 (46.81%) Java
3 18 (38.30%) JavaScript
4 11 (23.40%) Java 8
5 9 (19.15%) Python
6 7 (14.89%) PL/SQL
7 5 (10.64%) Scala
8 4 (8.51%) C
8 4 (8.51%) Haskell
8 4 (8.51%) Ruby
9 3 (6.38%) C++
9 3 (6.38%) PowerShell
10 2 (4.26%) Shell Script
11 1 (2.13%) ABAP
11 1 (2.13%) Bash Shell
11 1 (2.13%) C#
11 1 (2.13%) Kotlin
11 1 (2.13%) Perl
Qualifications
1 3 (6.38%) Security Cleared
2 2 (4.26%) DV Cleared
3 1 (2.13%) Degree
3 1 (2.13%) SC Cleared
Quality Assurance & Compliance
1 2 (4.26%) GDPR
1 2 (4.26%) Sarbanes-Oxley
2 1 (2.13%) Data Quality
System Software
1 4 (8.51%) Oracle RAC
2 3 (6.38%) Ceph
2 3 (6.38%) Docker
2 3 (6.38%) HDFS
2 3 (6.38%) NFS
2 3 (6.38%) VMware ESXi
2 3 (6.38%) VMware Infrastructure
3 1 (2.13%) Active Directory
3 1 (2.13%) Microcode
Systems Management
1 6 (12.77%) Hadoop YARN
1 6 (12.77%) Kubernetes
2 4 (8.51%) Enterprise Manager Cloud Control
3 3 (6.38%) Ambari
3 3 (6.38%) Foglight
3 3 (6.38%) Grafana
3 3 (6.38%) Mesos
4 1 (2.13%) Control-M
4 1 (2.13%) Data Guard
4 1 (2.13%) EMC NetWorker
4 1 (2.13%) QRadar
4 1 (2.13%) Tivoli
4 1 (2.13%) Tivoli Storage Manager
Vendors
1 21 (44.68%) Oracle
2 5 (10.64%) IBM
3 4 (8.51%) Cloudera
4 3 (6.38%) VMware
5 2 (4.26%) Cisco
5 2 (4.26%) Dell
5 2 (4.26%) Informatica
5 2 (4.26%) Red Hat
5 2 (4.26%) SAP
5 2 (4.26%) Splunk
6 1 (2.13%) BMC
6 1 (2.13%) Cognos
6 1 (2.13%) CyberArk
6 1 (2.13%) EMC
6 1 (2.13%) Hortonworks
6 1 (2.13%) Pega
6 1 (2.13%) Qualys
6 1 (2.13%) ServiceNow
6 1 (2.13%) Sybase
6 1 (2.13%) Talend