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 28 March 2026, with comparisons to the same periods in the previous two years.

6 months to
28 Mar 2026
Same period 2025 Same period 2024
Rank 67 94 116
Rank change year-on-year +27 +22 +30
Contract jobs citing Performance Tuning 61 24 10
As % of all contract jobs in the City of London 2.85% 1.39% 0.43%
As % of the Processes & Methodologies category 3.24% 1.50% 0.48%
Number of daily rates quoted 42 15 7
10th Percentile £343 £400 £410
25th Percentile £407 £419 £431
Median daily rate (50th Percentile) £525 £504 £450
Median % change year-on-year +4.17% +12.00% -34.55%
75th Percentile £584 £628 £619
90th Percentile £726 £764 £728
Central London median daily rate £525 £504 £450
% change year-on-year +4.17% +12.00% -26.53%
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 1,884 1,595 2,076
As % of all contract IT jobs advertised in the City of London 87.87% 92.20% 89.87%
Number of daily rates quoted 1,298 1,028 1,472
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 £669 £680 £688
90th Percentile £775 £775 £800
Central London median daily rate £550 £570 £550
% change year-on-year -3.51% +3.64% -7.17%
Number of hourly rates quoted 23 9 11
10th Percentile £18.75 £22.00 £18.93
25th Percentile £19.46 £24.66 £20.07
Median hourly rate £28.00 £31.00 £25.00
Median % change year-on-year -9.68% +24.00% -45.65%
75th Percentile £45.08 £34.68 £40.92
90th Percentile £58.53 £51.75 £50.25
Central London median hourly rate £26.11 £29.07 £27.81
% change year-on-year -10.18% +4.53% -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 28 March 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 (19.67%) Apache Airflow
2 5 (8.20%) Apache Spark
3 4 (6.56%) Apache
4 3 (4.92%) CICS
5 2 (3.28%) CMS
5 2 (3.28%) SharePoint
6 1 (1.64%) Microsoft Exchange
Applications
1 2 (3.28%) Microsoft Excel
1 2 (3.28%) Microsoft Office
1 2 (3.28%) Microsoft PowerPoint
Business Applications
1 1 (1.64%) BASE24
1 1 (1.64%) Oracle EBS
1 1 (1.64%) Oracle EBS R12
1 1 (1.64%) Payment Gateway
Cloud Services
1 27 (44.26%) AWS
1 27 (44.26%) Azure
2 13 (21.31%) Snowflake
3 11 (18.03%) Amazon S3
3 11 (18.03%) dbt
3 11 (18.03%) GCP
3 11 (18.03%) GitHub
3 11 (18.03%) Serverless
4 9 (14.75%) AWS Lambda
5 8 (13.11%) Power Platform
6 7 (11.48%) Amazon CloudWatch
6 7 (11.48%) Azure Data Factory
6 7 (11.48%) Azure DevOps
7 6 (9.84%) GitHub Actions
8 5 (8.20%) Amazon Kinesis
8 5 (8.20%) Azure Cosmos DB
9 4 (6.56%) AWS Fargate
9 4 (6.56%) Azure AKS
9 4 (6.56%) Prefect
10 3 (4.92%) Azure Synapse Analytics
Communications & Networking
1 3 (4.92%) VPN
2 1 (1.64%) Firewall
2 1 (1.64%) Internet
2 1 (1.64%) LAN
2 1 (1.64%) Network Security
2 1 (1.64%) SD-WAN
2 1 (1.64%) WAN
2 1 (1.64%) Wi-Fi
Database & Business Intelligence
1 13 (21.31%) Data Warehouse
2 8 (13.11%) DynamoDB
2 8 (13.11%) Snowflake Schema
3 7 (11.48%) NoSQL
3 7 (11.48%) Power BI
4 6 (9.84%) Relational Database
4 6 (9.84%) SQL Server
5 5 (8.20%) Data Lake
5 5 (8.20%) Star Schema
6 4 (6.56%) Amazon Redshift
6 4 (6.56%) DB2
6 4 (6.56%) Metadata
6 4 (6.56%) PostgreSQL
6 4 (6.56%) Tableau
7 3 (4.92%) Geospatial Data
7 3 (4.92%) Oracle Database
7 3 (4.92%) RDBMS
8 2 (3.28%) MySQL
8 2 (3.28%) Power Query
8 2 (3.28%) Spatial Data
Development Applications
1 17 (27.87%) Git
2 10 (16.39%) Jenkins
3 4 (6.56%) GitLab
4 3 (4.92%) JUnit
5 2 (3.28%) CocoaPods
5 2 (3.28%) Crashlytics
5 2 (3.28%) fastlane
5 2 (3.28%) Gatling
5 2 (3.28%) JIRA
5 2 (3.28%) Toad
5 2 (3.28%) Xcode
6 1 (1.64%) Gradle
6 1 (1.64%) Maven
6 1 (1.64%) Mockito
General
1 19 (31.15%) Social Skills
2 17 (27.87%) Finance
3 12 (19.67%) Banking
4 8 (13.11%) Analytical Skills
5 3 (4.92%) Financial Institution
5 3 (4.92%) Publishing
6 2 (3.28%) Front Office
6 2 (3.28%) Inclusion and Diversity
7 1 (1.64%) Law
7 1 (1.64%) Local Government
7 1 (1.64%) Manufacturing
7 1 (1.64%) Pharmaceutical
7 1 (1.64%) Public Sector
Job Titles
1 19 (31.15%) Data Engineer
2 16 (26.23%) Developer
3 9 (14.75%) Senior
4 8 (13.11%) Snowflake Data Engineer
4 8 (13.11%) Snowflake Engineer
5 6 (9.84%) Senior Developer
6 5 (8.20%) Java Developer
7 3 (4.92%) Architect
7 3 (4.92%) DevOps Engineer
7 3 (4.92%) iOS Developer
7 3 (4.92%) Oracle Developer
7 3 (4.92%) Python Engineer
7 3 (4.92%) Senior Data Engineer
8 2 (3.28%) Agentic Artificial Intelligence Engineer
8 2 (3.28%) AWS DevOps
8 2 (3.28%) AWS DevOps Engineer
8 2 (3.28%) AWS Engineer
8 2 (3.28%) Azure Architect
8 2 (3.28%) Lead
8 2 (3.28%) NetApp Engineer
Libraries, Frameworks & Software Standards
1 12 (19.67%) Kafka
2 6 (9.84%) RESTful
2 6 (9.84%) Spring
3 5 (8.20%) JSON
4 4 (6.56%) OAuth
4 4 (6.56%) OpenTelemetry
4 4 (6.56%) Pandas
4 4 (6.56%) Spring Boot
5 3 (4.92%) GeoJSON
5 3 (4.92%) Matplotlib
5 3 (4.92%) Polars
5 3 (4.92%) scikit-learn
5 3 (4.92%) SOAP
5 3 (4.92%) Web Services
5 3 (4.92%) WSDL
6 2 (3.28%) Apache Avro
6 2 (3.28%) Flask
6 2 (3.28%) Node.js
6 2 (3.28%) OAuth2
6 2 (3.28%) UIKit
Miscellaneous
1 13 (21.31%) Cloud Native
2 7 (11.48%) Distributed Systems
3 6 (9.84%) Clustering
4 4 (6.56%) Data Structures
4 4 (6.56%) Foreign Exchange (FX)
5 3 (4.92%) DataPower
5 3 (4.92%) Derivative
5 3 (4.92%) Fixed Income
5 3 (4.92%) Mainframe
5 3 (4.92%) Mobile App
5 3 (4.92%) Online Banking
6 2 (3.28%) AI Agents
6 2 (3.28%) Algorithms
6 2 (3.28%) Animation
6 2 (3.28%) Enterprise Software
6 2 (3.28%) Onboarding
7 1 (1.64%) Cloud Security Posture
7 1 (1.64%) Distributed Architecture
7 1 (1.64%) Product Ownership
7 1 (1.64%) Security Posture
Operating Systems
1 5 (8.20%) Unix
2 3 (4.92%) Apple iOS
2 3 (4.92%) zOS
3 2 (3.28%) Android
3 2 (3.28%) Data ONTAP
3 2 (3.28%) Linux
Processes & Methodologies
1 29 (47.54%) CI/CD
2 20 (32.79%) Data Modelling
3 19 (31.15%) Analytics
3 19 (31.15%) DevOps
4 18 (29.51%) Data Pipeline
5 17 (27.87%) AI
5 17 (27.87%) ETL
5 17 (27.87%) Problem-Solving
6 16 (26.23%) Data Engineering
7 13 (21.31%) Agile
8 11 (18.03%) Data Governance
9 10 (16.39%) Business Intelligence
9 10 (16.39%) Observability
10 9 (14.75%) Containerisation
10 9 (14.75%) Data Transformation
10 9 (14.75%) Microservices
11 8 (13.11%) Data Integration
11 8 (13.11%) Event-Driven
12 7 (11.48%) Infrastructure as Code
12 7 (11.48%) Validation
Programming Languages
1 42 (68.85%) SQL
2 29 (47.54%) Python
3 9 (14.75%) Java
4 5 (8.20%) Shell Script
5 4 (6.56%) Perl
5 4 (6.56%) PL/SQL
6 3 (4.92%) Data Analysis Expressions
6 3 (4.92%) JCL
7 2 (3.28%) Bicep
7 2 (3.28%) C#
7 2 (3.28%) JavaScript
7 2 (3.28%) Kotlin
7 2 (3.28%) Objective-C
7 2 (3.28%) PHP
7 2 (3.28%) Scala
7 2 (3.28%) Swift
7 2 (3.28%) T-SQL
7 2 (3.28%) TypeScript
8 1 (1.64%) C++
8 1 (1.64%) Elixir
Qualifications
1 6 (9.84%) Computer Science Degree
1 6 (9.84%) Degree
2 4 (6.56%) Security Cleared
3 3 (4.92%) BPSS Clearance
4 2 (3.28%) SC Cleared
4 2 (3.28%) SnowPro
5 1 (1.64%) AWS Certification
5 1 (1.64%) AWS Certified Developer
5 1 (1.64%) AWS Certified Solutions Architect
5 1 (1.64%) DBS Check
5 1 (1.64%) Master's Degree
Quality Assurance & Compliance
1 20 (32.79%) Data Quality
2 6 (9.84%) QA
3 3 (4.92%) Accessibility
3 3 (4.92%) ISO 8583
4 2 (3.28%) ISO 20022
4 2 (3.28%) PSD2
4 2 (3.28%) SEPA
5 1 (1.64%) GDPR
5 1 (1.64%) HIPAA
System Software
1 9 (14.75%) Docker
2 2 (3.28%) NFS
2 2 (3.28%) VMware Infrastructure
Systems Management
1 10 (16.39%) Terraform
2 9 (14.75%) Kubernetes
3 5 (8.20%) Ansible
4 4 (6.56%) Grafana
5 3 (4.92%) Argo
5 3 (4.92%) Prometheus
6 2 (3.28%) ITRS Geneos
6 2 (3.28%) Single Sign-On
6 2 (3.28%) SnapMirror
7 1 (1.64%) Karpenter
Vendors
1 13 (21.31%) Microsoft
2 9 (14.75%) Google
3 8 (13.11%) Databricks
4 5 (8.20%) Informatica
4 5 (8.20%) Oracle
5 3 (4.92%) Splunk
6 2 (3.28%) AppDynamics
6 2 (3.28%) Apple
6 2 (3.28%) Bloomberg
6 2 (3.28%) Confluent
6 2 (3.28%) MarketAxess
6 2 (3.28%) NetApp
6 2 (3.28%) OpenAI
6 2 (3.28%) Tradeweb
6 2 (3.28%) VMware
7 1 (1.64%) Cisco
7 1 (1.64%) Denodo
7 1 (1.64%) HP
7 1 (1.64%) Juniper
7 1 (1.64%) Zscaler