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 22 May 2026, with comparisons to the same periods in the previous two years.

6 months to
22 May 2026
Same period 2025 Same period 2024
Rank 76 82 118
Rank change year-on-year +6 +36 +13
Contract jobs citing Performance Tuning 56 34 5
As % of all contract jobs in the City of London 2.42% 2.01% 0.23%
As % of the Processes & Methodologies category 2.85% 2.15% 0.26%
Number of daily rates quoted 36 17 2
10th Percentile £347 £400 £533
25th Percentile £463 £425 £563
Median daily rate (50th Percentile) £525 £525 £625
Median % change year-on-year - -16.00% -7.06%
75th Percentile £638 £656 £688
90th Percentile £726 £759 £718
Central London median daily rate £525 £525 £625
% change year-on-year - -16.00% -3.10%
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 1,963 1,580 1,960
As % of all contract IT jobs advertised in the City of London 84.76% 93.60% 90.53%
Number of daily rates quoted 1,342 993 1,378
10th Percentile £359 £350 £350
25th Percentile £450 £456 £450
Median daily rate (50th Percentile) £550 £570 £563
Median % change year-on-year -3.51% +1.33% -6.25%
75th Percentile £675 £688 £688
90th Percentile £775 £775 £800
Central London median daily rate £550 £558 £550
% change year-on-year -1.35% +1.36% -8.33%
Number of hourly rates quoted 24 12 12
10th Percentile £17.69 £22.18 £19.95
25th Percentile £18.75 £24.43 £20.22
Median hourly rate £26.64 £29.58 £25.63
Median % change year-on-year -9.94% +15.41% -26.79%
75th Percentile £52.24 £45.00 £40.00
90th Percentile £59.72 £62.25 £41.65
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 22 May 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 7 (12.50%) Apache Airflow
2 4 (7.14%) CICS
3 3 (5.36%) Apache
4 1 (1.79%) Apache Spark
4 1 (1.79%) Microsoft Exchange
4 1 (1.79%) nginx
Applications
1 2 (3.57%) Chatbot
Business Applications
1 2 (3.57%) Payment Gateway
2 1 (1.79%) BASE24
2 1 (1.79%) Dynamics CRM
2 1 (1.79%) Magento
2 1 (1.79%) Oracle EBS
2 1 (1.79%) Oracle EBS R12
2 1 (1.79%) SAP ERP
Cloud Services
1 30 (53.57%) Azure
2 25 (44.64%) AWS
3 13 (23.21%) GitHub
4 10 (17.86%) Power Platform
4 10 (17.86%) Serverless
5 9 (16.07%) GCP
6 8 (14.29%) Amazon CloudWatch
6 8 (14.29%) GitHub Actions
6 8 (14.29%) Snowflake
7 7 (12.50%) Amazon S3
7 7 (12.50%) AWS Lambda
7 7 (12.50%) Azure Cosmos DB
8 6 (10.71%) Amazon Kinesis
8 6 (10.71%) Azure Data Factory
8 6 (10.71%) Azure DevOps
9 4 (7.14%) Azure AKS
9 4 (7.14%) dbt
10 3 (5.36%) Azure Monitor
10 3 (5.36%) Azure Storage
10 3 (5.36%) GitHub Copilot
Communications & Networking
1 5 (8.93%) VPN
2 2 (3.57%) Firewall
2 2 (3.57%) FTP
2 2 (3.57%) Internet
2 2 (3.57%) LAN
2 2 (3.57%) Network Security
2 2 (3.57%) SD-WAN
2 2 (3.57%) WAN
2 2 (3.57%) Wi-Fi
3 1 (1.79%) HTTPS
3 1 (1.79%) Multicast
Database & Business Intelligence
1 11 (19.64%) NoSQL
2 9 (16.07%) DynamoDB
3 7 (12.50%) Power BI
3 7 (12.50%) Snowflake Schema
4 6 (10.71%) Data Warehouse
4 6 (10.71%) SQL Server
5 5 (8.93%) DB2
6 4 (7.14%) Apache Cassandra
6 4 (7.14%) MongoDB
6 4 (7.14%) Relational Database
7 3 (5.36%) Data Lake
7 3 (5.36%) Geospatial Data
7 3 (5.36%) Metadata
7 3 (5.36%) PostgreSQL
7 3 (5.36%) Redis
7 3 (5.36%) SQL Server Integration Services
7 3 (5.36%) Star Schema
7 3 (5.36%) Tableau
8 2 (3.57%) Hazelcast
8 2 (3.57%) Spatial Data
Development Applications
1 12 (21.43%) Git
2 7 (12.50%) GitLab
3 4 (7.14%) Jenkins
4 3 (5.36%) Gradle
4 3 (5.36%) Maven
5 2 (3.57%) Gatling
6 1 (1.79%) JIRA
6 1 (1.79%) JUnit
6 1 (1.79%) PHPUnit
6 1 (1.79%) Visual Studio
General
1 18 (32.14%) Finance
1 18 (32.14%) Social Skills
2 14 (25.00%) Banking
3 8 (14.29%) Analytical Skills
4 3 (5.36%) Publishing
5 2 (3.57%) Law
6 1 (1.79%) Financial Institution
6 1 (1.79%) Front Office
6 1 (1.79%) Legal
6 1 (1.79%) Local Government
6 1 (1.79%) Marketing
Job Titles
1 15 (26.79%) Developer
2 13 (23.21%) Data Engineer
3 9 (16.07%) Senior
4 8 (14.29%) Senior Developer
5 7 (12.50%) Snowflake Data Engineer
5 7 (12.50%) Snowflake Engineer
6 6 (10.71%) Java Developer
7 4 (7.14%) Senior Java Developer
8 3 (5.36%) Architect
8 3 (5.36%) Python Engineer
9 2 (3.57%) Azure Architect
9 2 (3.57%) Desktop Support
9 2 (3.57%) Desktop Support Technician
9 2 (3.57%) Full-Stack Developer
9 2 (3.57%) Junior
9 2 (3.57%) NetApp Engineer
9 2 (3.57%) Network Engineer
9 2 (3.57%) Senior Full-Stack Developer
9 2 (3.57%) Support Technician
9 2 (3.57%) Technical Architect
Libraries, Frameworks & Software Standards
1 13 (23.21%) Kafka
2 11 (19.64%) RESTful
3 8 (14.29%) Spring
4 7 (12.50%) JSON
4 7 (12.50%) SOAP
5 6 (10.71%) OpenTelemetry
5 6 (10.71%) REST
5 6 (10.71%) Spring Boot
6 5 (8.93%) React
7 4 (7.14%) Pandas
7 4 (7.14%) Web Services
7 4 (7.14%) WSDL
8 3 (5.36%) .NET
8 3 (5.36%) GeoJSON
8 3 (5.36%) Matplotlib
8 3 (5.36%) Polars
8 3 (5.36%) PySpark
8 3 (5.36%) scikit-learn
9 2 (3.57%) CrewAI
9 2 (3.57%) LlamaIndex
Miscellaneous
1 11 (19.64%) Cloud Native
2 9 (16.07%) Distributed Systems
3 7 (12.50%) Clustering
4 4 (7.14%) AI Agents
4 4 (7.14%) DataPower
4 4 (7.14%) Mainframe
4 4 (7.14%) Online Banking
5 3 (5.36%) Foreign Exchange (FX)
6 2 (3.57%) Cloud Security Posture
6 2 (3.57%) Data Structures
6 2 (3.57%) Derivative
6 2 (3.57%) Fixed Income
6 2 (3.57%) Hybrid Cloud
6 2 (3.57%) Onboarding
6 2 (3.57%) Security Posture
7 1 (1.79%) Distributed Architecture
7 1 (1.79%) Greenfield Project
7 1 (1.79%) Legacy Code
7 1 (1.79%) Low-Code
7 1 (1.79%) Virtual Team
Operating Systems
1 4 (7.14%) zOS
2 2 (3.57%) Data ONTAP
2 2 (3.57%) Linux
2 2 (3.57%) Unix
3 1 (1.79%) Windows
3 1 (1.79%) Windows Server
Processes & Methodologies
1 27 (48.21%) CI/CD
2 19 (33.93%) DevOps
3 18 (32.14%) AI
3 18 (32.14%) Data Modelling
4 16 (28.57%) Observability
5 14 (25.00%) ETL
5 14 (25.00%) Problem-Solving
6 13 (23.21%) Data Pipeline
7 12 (21.43%) Event-Driven
7 12 (21.43%) Microservices
8 11 (19.64%) Containerisation
8 11 (19.64%) Data Engineering
9 9 (16.07%) Agile
9 9 (16.07%) Analytics
9 9 (16.07%) Business Intelligence
9 9 (16.07%) Test Automation
10 8 (14.29%) Data Governance
10 8 (14.29%) Integration Patterns
10 8 (14.29%) Validation
11 6 (10.71%) Infrastructure as Code
Programming Languages
1 35 (62.50%) SQL
2 25 (44.64%) Python
3 8 (14.29%) Java
4 6 (10.71%) C#
5 5 (8.93%) Shell Script
5 5 (8.93%) TypeScript
6 4 (7.14%) Data Analysis Expressions
6 4 (7.14%) JavaScript
6 4 (7.14%) JCL
7 2 (3.57%) Bicep
7 2 (3.57%) Scala
7 2 (3.57%) T-SQL
8 1 (1.79%) ActionScript
8 1 (1.79%) ActionScript 2.0
8 1 (1.79%) COBOL
8 1 (1.79%) Elixir
8 1 (1.79%) Perl
8 1 (1.79%) PHP
8 1 (1.79%) Ruby
8 1 (1.79%) X++
Qualifications
1 5 (8.93%) Degree
2 4 (7.14%) Computer Science Degree
2 4 (7.14%) Security Cleared
3 3 (5.36%) BPSS Clearance
4 2 (3.57%) SnowPro
5 1 (1.79%) AWS Certification
5 1 (1.79%) AWS Certified Developer
5 1 (1.79%) AWS Certified Solutions Architect
5 1 (1.79%) SC Cleared
Quality Assurance & Compliance
1 14 (25.00%) Data Quality
2 7 (12.50%) QA
3 3 (5.36%) ISO 8583
4 2 (3.57%) GDPR
4 2 (3.57%) ISO 20022
4 2 (3.57%) PSD2
4 2 (3.57%) SEPA
5 1 (1.79%) HIPAA
System Software
1 11 (19.64%) Docker
2 2 (3.57%) NFS
2 2 (3.57%) VMware Infrastructure
3 1 (1.79%) Varnish
Systems Management
1 12 (21.43%) Kubernetes
2 6 (10.71%) Grafana
3 5 (8.93%) Prometheus
3 5 (8.93%) Terraform
4 3 (5.36%) Ansible
4 3 (5.36%) Argo
5 2 (3.57%) ITRS Geneos
5 2 (3.57%) SnapMirror
6 1 (1.79%) Karpenter
6 1 (1.79%) Single Sign-On
Vendors
1 10 (17.86%) Microsoft
2 5 (8.93%) Google
2 5 (8.93%) Informatica
3 3 (5.36%) Databricks
3 3 (5.36%) Oracle
4 2 (3.57%) Aruba
4 2 (3.57%) Cisco
4 2 (3.57%) Confluent
4 2 (3.57%) Juniper
4 2 (3.57%) NetApp
4 2 (3.57%) OpenAI
4 2 (3.57%) SAP
4 2 (3.57%) Splunk
4 2 (3.57%) VMware
4 2 (3.57%) Zscaler
5 1 (1.79%) Axway
5 1 (1.79%) Bloomberg
5 1 (1.79%) MarketAxess
5 1 (1.79%) Tradeweb
5 1 (1.79%) webMethods