Performance Tuning Contract Job Trends in the City of London

Performance Tuning
Central London > City of London

The table below provides summary statistics and contractor rates for jobs advertised in the City of London requiring Performance Tuning skills. It covers contract job vacancies from the 6 months leading up to 5 April 2026, with comparisons to the same periods in the previous two years.

6 months to
5 Apr 2026
Same period 2025 Same period 2024
Rank 72 98 119
Rank change year-on-year +26 +21 +29
Contract jobs citing Performance Tuning 64 23 10
As % of all contract jobs in the City of London 2.92% 1.32% 0.44%
As % of the Processes & Methodologies category 3.35% 1.43% 0.49%
Number of daily rates quoted 44 15 7
10th Percentile £343 £400 £410
25th Percentile £411 £419 £431
Median daily rate (50th Percentile) £525 £504 £450
Median % change year-on-year +4.17% +12.00% -32.46%
75th Percentile £588 £628 £619
90th Percentile £708 £764 £728
Central London median daily rate £525 £504 £450
% change year-on-year +4.17% +12.00% -27.71%
Number of hourly rates quoted 0 0 1
10th Percentile - - -
25th Percentile - - £46.75
Median hourly rate - - £48.50
75th Percentile - - £50.25
90th Percentile - - -
Central London median hourly rate - - £48.50

All Process & Methodology Skills
City of London

Performance Tuning falls under the Processes and Methodologies category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring process or methodology skills in the City of London.

Contract vacancies with a requirement for process or methodology skills 1,913 1,605 2,049
As % of all contract IT jobs advertised in the City of London 87.19% 92.29% 89.75%
Number of daily rates quoted 1,321 1,035 1,449
10th Percentile £363 £363 £350
25th Percentile £450 £463 £450
Median daily rate (50th Percentile) £550 £575 £570
Median % change year-on-year -4.35% +0.88% -5.00%
75th Percentile £670 £679 £688
90th Percentile £775 £771 £800
Central London median daily rate £550 £570 £550
% change year-on-year -3.51% +3.64% -7.56%
Number of hourly rates quoted 24 9 11
10th Percentile - £22.00 £18.93
25th Percentile £18.75 £24.66 £20.07
Median hourly rate £30.03 £31.00 £25.00
Median % change year-on-year -3.12% +24.00% -38.27%
75th Percentile £48.67 £48.75 £40.92
90th Percentile £57.93 £71.00 £50.25
Central London median hourly rate £26.11 £31.00 £27.81
% change year-on-year -15.77% +11.47% -20.54%

Performance Tuning
Job Vacancy Trend in the City of London

Historical trend showing the proportion of contract IT job postings citing Performance Tuning relative to all contract IT jobs advertised in the City of London.

Performance Tuning job vacancy trend in the City of London

Performance Tuning
Daily Rate Trend in the City of London

Contractor daily rate distribution trend for jobs in the City of London citing Performance Tuning.

Contractor daily rate distribution trend for jobs in the City of London citing Performance Tuning

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 5 April 2026.

Daily rate histogram for Performance Tuning in the City of London

Performance Tuning
Hourly Rate Trend in the City of London

Contractor hourly rate distribution trend for jobs in the City of London citing Performance Tuning.

Contractor hourly rate distribution trend for jobs in the City of London citing Performance Tuning

Performance Tuning
Co-Occurring Skills & Capabilities in the City of London by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Application Platforms
1 12 (18.75%) Apache Airflow
2 5 (7.81%) Apache
2 5 (7.81%) Apache Spark
3 3 (4.69%) CICS
4 2 (3.13%) SharePoint
5 1 (1.56%) CMS
5 1 (1.56%) Microsoft Exchange
5 1 (1.56%) nginx
Applications
1 2 (3.13%) Microsoft Excel
1 2 (3.13%) Microsoft Office
1 2 (3.13%) Microsoft PowerPoint
Business Applications
1 2 (3.13%) Payment Gateway
2 1 (1.56%) BASE24
2 1 (1.56%) Magento
2 1 (1.56%) Oracle EBS
2 1 (1.56%) Oracle EBS R12
Cloud Services
1 30 (46.88%) Azure
2 29 (45.31%) AWS
3 13 (20.31%) GitHub
3 13 (20.31%) Snowflake
4 11 (17.19%) Amazon S3
4 11 (17.19%) dbt
4 11 (17.19%) GCP
4 11 (17.19%) Serverless
5 9 (14.06%) Amazon CloudWatch
5 9 (14.06%) AWS Lambda
6 8 (12.50%) Power Platform
7 7 (10.94%) Amazon Kinesis
7 7 (10.94%) Azure Cosmos DB
7 7 (10.94%) Azure Data Factory
7 7 (10.94%) Azure DevOps
8 6 (9.38%) GitHub Actions
9 4 (6.25%) AWS Fargate
9 4 (6.25%) Azure AKS
9 4 (6.25%) Prefect
10 3 (4.69%) Amazon ECS
Communications & Networking
1 4 (6.25%) VPN
2 2 (3.13%) Firewall
2 2 (3.13%) Internet
2 2 (3.13%) LAN
2 2 (3.13%) Network Security
2 2 (3.13%) SD-WAN
2 2 (3.13%) WAN
2 2 (3.13%) Wi-Fi
Database & Business Intelligence
1 13 (20.31%) Data Warehouse
2 10 (15.63%) DynamoDB
3 9 (14.06%) NoSQL
4 8 (12.50%) Snowflake Schema
5 7 (10.94%) Power BI
6 6 (9.38%) Relational Database
6 6 (9.38%) SQL Server
7 5 (7.81%) Data Lake
7 5 (7.81%) Star Schema
8 4 (6.25%) Amazon Redshift
8 4 (6.25%) Apache Cassandra
8 4 (6.25%) DB2
8 4 (6.25%) Metadata
8 4 (6.25%) MongoDB
8 4 (6.25%) PostgreSQL
8 4 (6.25%) Tableau
9 3 (4.69%) Geospatial Data
9 3 (4.69%) MySQL
9 3 (4.69%) Oracle Database
9 3 (4.69%) Redis
Development Applications
1 19 (29.69%) Git
2 9 (14.06%) Jenkins
3 4 (6.25%) GitLab
4 3 (4.69%) Gradle
4 3 (4.69%) JUnit
4 3 (4.69%) Maven
5 2 (3.13%) Gatling
5 2 (3.13%) Toad
6 1 (1.56%) CocoaPods
6 1 (1.56%) Crashlytics
6 1 (1.56%) fastlane
6 1 (1.56%) JIRA
6 1 (1.56%) Mockito
6 1 (1.56%) PHPUnit
6 1 (1.56%) Xcode
General
1 21 (32.81%) Social Skills
2 17 (26.56%) Finance
3 12 (18.75%) Banking
4 8 (12.50%) Analytical Skills
5 3 (4.69%) Financial Institution
5 3 (4.69%) Publishing
6 2 (3.13%) Front Office
6 2 (3.13%) Inclusion and Diversity
6 2 (3.13%) Law
7 1 (1.56%) Local Government
7 1 (1.56%) Manufacturing
7 1 (1.56%) Marketing
7 1 (1.56%) Pharmaceutical
7 1 (1.56%) Public Sector
Job Titles
1 19 (29.69%) Data Engineer
2 18 (28.13%) Developer
3 10 (15.63%) Senior
4 8 (12.50%) Snowflake Data Engineer
4 8 (12.50%) Snowflake Engineer
5 7 (10.94%) Java Developer
5 7 (10.94%) Senior Developer
6 4 (6.25%) Senior Java Developer
7 3 (4.69%) Architect
7 3 (4.69%) DevOps Engineer
7 3 (4.69%) Oracle Developer
7 3 (4.69%) Python Engineer
7 3 (4.69%) Senior Data Engineer
8 2 (3.13%) AWS DevOps
8 2 (3.13%) AWS DevOps Engineer
8 2 (3.13%) AWS Engineer
8 2 (3.13%) Azure Architect
8 2 (3.13%) Full-Stack Engineer
8 2 (3.13%) iOS Developer
8 2 (3.13%) NetApp Engineer
Libraries, Frameworks & Software Standards
1 14 (21.88%) Kafka
2 8 (12.50%) RESTful
2 8 (12.50%) Spring
3 6 (9.38%) OpenTelemetry
3 6 (9.38%) Spring Boot
4 5 (7.81%) JSON
5 4 (6.25%) OAuth
5 4 (6.25%) Pandas
5 4 (6.25%) SOAP
6 3 (4.69%) GeoJSON
6 3 (4.69%) Matplotlib
6 3 (4.69%) Polars
6 3 (4.69%) scikit-learn
6 3 (4.69%) Web Services
6 3 (4.69%) WSDL
7 2 (3.13%) Android Jetpack
7 2 (3.13%) FastAPI
7 2 (3.13%) JWT
7 2 (3.13%) PySpark
7 2 (3.13%) React
Miscellaneous
1 15 (23.44%) Cloud Native
2 9 (14.06%) Distributed Systems
3 6 (9.38%) Clustering
4 4 (6.25%) Foreign Exchange (FX)
5 3 (4.69%) Data Structures
5 3 (4.69%) DataPower
5 3 (4.69%) Derivative
5 3 (4.69%) Fixed Income
5 3 (4.69%) Mainframe
5 3 (4.69%) Online Banking
6 2 (3.13%) AI Agents
6 2 (3.13%) Algorithms
6 2 (3.13%) Cloud Security Posture
6 2 (3.13%) Enterprise Software
6 2 (3.13%) Hybrid Cloud
6 2 (3.13%) Mobile App
6 2 (3.13%) Onboarding
6 2 (3.13%) Security Posture
7 1 (1.56%) Linux Command Line
7 1 (1.56%) Virtual Team
Operating Systems
1 5 (7.81%) Unix
2 3 (4.69%) zOS
3 2 (3.13%) Android
3 2 (3.13%) Apple iOS
3 2 (3.13%) Data ONTAP
3 2 (3.13%) Linux
Processes & Methodologies
1 31 (48.44%) CI/CD
2 22 (34.38%) DevOps
3 20 (31.25%) Data Modelling
4 18 (28.13%) Analytics
4 18 (28.13%) Data Pipeline
5 17 (26.56%) AI
5 17 (26.56%) ETL
5 17 (26.56%) Problem-Solving
6 16 (25.00%) Data Engineering
7 13 (20.31%) Observability
8 12 (18.75%) Agile
8 12 (18.75%) Containerisation
9 11 (17.19%) Data Governance
9 11 (17.19%) Microservices
10 10 (15.63%) Business Intelligence
10 10 (15.63%) Event-Driven
11 9 (14.06%) Data Transformation
12 8 (12.50%) Data Integration
12 8 (12.50%) Test Automation
13 7 (10.94%) Validation
Programming Languages
1 43 (67.19%) SQL
2 29 (45.31%) Python
3 11 (17.19%) Java
4 5 (7.81%) Shell Script
5 4 (6.25%) Perl
5 4 (6.25%) PL/SQL
6 3 (4.69%) Data Analysis Expressions
6 3 (4.69%) JCL
6 3 (4.69%) PHP
7 2 (3.13%) Bicep
7 2 (3.13%) C#
7 2 (3.13%) JavaScript
7 2 (3.13%) Kotlin
7 2 (3.13%) Scala
7 2 (3.13%) T-SQL
7 2 (3.13%) TypeScript
8 1 (1.56%) C++
8 1 (1.56%) COBOL
8 1 (1.56%) Elixir
8 1 (1.56%) Swift
Qualifications
1 6 (9.38%) Computer Science Degree
1 6 (9.38%) Degree
2 4 (6.25%) Security Cleared
3 3 (4.69%) BPSS Clearance
4 2 (3.13%) SC Cleared
4 2 (3.13%) SnowPro
5 1 (1.56%) AWS Certification
5 1 (1.56%) AWS Certified Developer
5 1 (1.56%) AWS Certified Solutions Architect
5 1 (1.56%) DBS Check
5 1 (1.56%) Master's Degree
Quality Assurance & Compliance
1 20 (31.25%) Data Quality
2 9 (14.06%) QA
3 3 (4.69%) ISO 8583
4 2 (3.13%) Accessibility
4 2 (3.13%) ISO 20022
4 2 (3.13%) PSD2
4 2 (3.13%) SEPA
5 1 (1.56%) GDPR
5 1 (1.56%) HIPAA
System Software
1 12 (18.75%) Docker
2 2 (3.13%) NFS
2 2 (3.13%) VMware Infrastructure
3 1 (1.56%) Varnish
Systems Management
1 11 (17.19%) Kubernetes
2 10 (15.63%) Terraform
3 6 (9.38%) Grafana
4 5 (7.81%) Ansible
4 5 (7.81%) Prometheus
5 3 (4.69%) Argo
6 2 (3.13%) ITRS Geneos
6 2 (3.13%) SnapMirror
7 1 (1.56%) Karpenter
7 1 (1.56%) Single Sign-On
Vendors
1 13 (20.31%) Microsoft
2 8 (12.50%) Databricks
2 8 (12.50%) Google
3 5 (7.81%) Informatica
3 5 (7.81%) Oracle
4 3 (4.69%) Splunk
5 2 (3.13%) AppDynamics
5 2 (3.13%) Aruba
5 2 (3.13%) Bloomberg
5 2 (3.13%) Cisco
5 2 (3.13%) Confluent
5 2 (3.13%) Juniper
5 2 (3.13%) MarketAxess
5 2 (3.13%) NetApp
5 2 (3.13%) OpenAI
5 2 (3.13%) Tradeweb
5 2 (3.13%) VMware
5 2 (3.13%) Zscaler
6 1 (1.56%) Adobe
6 1 (1.56%) Apple