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 12 June 2026, with comparisons to the same periods in the previous two years.

6 months to
12 Jun 2026
Same period 2025 Same period 2024
Rank 79 87 123
Rank change year-on-year +8 +36 +13
Contract jobs citing Performance Tuning 58 36 8
As % of all contract jobs in the City of London 2.42% 2.11% 0.37%
As % of the Processes & Methodologies category 2.82% 2.25% 0.41%
Number of daily rates quoted 35 17 5
10th Percentile £371 £400 £393
25th Percentile £463 £475 £513
Median daily rate (50th Percentile) £525 £525 £525
Median % change year-on-year - - -25.00%
75th Percentile £638 £719 £575
90th Percentile £684 £766 £673
Central London median daily rate £525 £525 £525
% change year-on-year - - -18.60%
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 2,055 1,601 1,970
As % of all contract IT jobs advertised in the City of London 85.70% 93.74% 90.49%
Number of daily rates quoted 1,384 1,015 1,375
10th Percentile £363 £355 £353
25th Percentile £450 £450 £456
Median daily rate (50th Percentile) £550 £552 £565
Median % change year-on-year -0.36% -2.30% -5.83%
75th Percentile £675 £688 £688
90th Percentile £775 £775 £800
Central London median daily rate £550 £550 £550
% change year-on-year - - -8.33%
Number of hourly rates quoted 27 15 13
10th Percentile £17.45 £18.70 £19.98
25th Percentile £18.75 £24.21 £20.22
Median hourly rate £25.77 £28.50 £26.25
Median % change year-on-year -9.58% +8.57% -25.00%
75th Percentile £47.58 £46.25 £40.00
90th Percentile £61.83 £78.75 £48.57
Central London median hourly rate £27.25 £28.50 £27.81
% change year-on-year -4.39% +2.48% -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 12 June 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 (12.07%) Apache Airflow
2 4 (6.90%) CICS
3 3 (5.17%) Apache
4 1 (1.72%) Apache Spark
4 1 (1.72%) IIS
4 1 (1.72%) Microsoft Exchange
4 1 (1.72%) nginx
Applications
1 2 (3.45%) Chatbot
Business Applications
1 1 (1.72%) Dynamics CRM
1 1 (1.72%) Magento
1 1 (1.72%) Oracle EBS
1 1 (1.72%) Oracle EBS R12
1 1 (1.72%) Payment Gateway
1 1 (1.72%) SAP ERP
Cloud Services
1 31 (53.45%) Azure
2 26 (44.83%) AWS
3 13 (22.41%) GitHub
4 10 (17.24%) Power Platform
4 10 (17.24%) Serverless
5 9 (15.52%) GCP
5 9 (15.52%) Snowflake
6 8 (13.79%) Amazon CloudWatch
6 8 (13.79%) GitHub Actions
7 7 (12.07%) Amazon S3
7 7 (12.07%) AWS Lambda
7 7 (12.07%) Azure Cosmos DB
7 7 (12.07%) Azure DevOps
8 6 (10.34%) Amazon Kinesis
9 5 (8.62%) Azure Data Factory
10 4 (6.90%) Azure AKS
10 4 (6.90%) dbt
11 3 (5.17%) Azure Monitor
11 3 (5.17%) GitHub Copilot
11 3 (5.17%) Matillion
Communications & Networking
1 5 (8.62%) VPN
2 3 (5.17%) FTP
2 3 (5.17%) Internet
3 2 (3.45%) Firewall
3 2 (3.45%) HTTPS
3 2 (3.45%) LAN
3 2 (3.45%) Network Security
3 2 (3.45%) SD-WAN
3 2 (3.45%) WAN
3 2 (3.45%) Wi-Fi
4 1 (1.72%) Intranet
4 1 (1.72%) Multicast
4 1 (1.72%) VSAN
Database & Business Intelligence
1 12 (20.69%) NoSQL
2 9 (15.52%) DynamoDB
3 7 (12.07%) Power BI
3 7 (12.07%) Snowflake Schema
3 7 (12.07%) SQL Server
4 6 (10.34%) Data Warehouse
4 6 (10.34%) Relational Database
5 5 (8.62%) Db2
5 5 (8.62%) MongoDB
6 4 (6.90%) Apache Cassandra
7 3 (5.17%) Data Lake
7 3 (5.17%) Geospatial Data
7 3 (5.17%) PostgreSQL
7 3 (5.17%) RDBMS
7 3 (5.17%) Redis
7 3 (5.17%) SQL Server Integration Services
7 3 (5.17%) Star Schema
7 3 (5.17%) Tableau
8 2 (3.45%) Amazon Redshift
8 2 (3.45%) Spatial Data
Development Applications
1 10 (17.24%) Git
2 8 (13.79%) GitLab
3 5 (8.62%) Jenkins
4 3 (5.17%) Gradle
4 3 (5.17%) Maven
5 2 (3.45%) Gatling
6 1 (1.72%) Artifactory
6 1 (1.72%) Bitbucket
6 1 (1.72%) ER Studio
6 1 (1.72%) JIRA
6 1 (1.72%) JUnit
6 1 (1.72%) PHPUnit
6 1 (1.72%) TeamCity
6 1 (1.72%) Visual Studio
General
1 21 (36.21%) Social Skills
2 17 (29.31%) Finance
3 15 (25.86%) Banking
4 8 (13.79%) Analytical Skills
5 3 (5.17%) Publishing
6 2 (3.45%) Law
7 1 (1.72%) Documentation Skills
7 1 (1.72%) Front Office
7 1 (1.72%) Legal
7 1 (1.72%) Local Government
7 1 (1.72%) Marketing
Job Titles
1 17 (29.31%) Developer
2 12 (20.69%) Data Engineer
3 9 (15.52%) Senior
4 8 (13.79%) Senior Developer
5 7 (12.07%) Snowflake Data Engineer
5 7 (12.07%) Snowflake Engineer
6 6 (10.34%) Java Developer
7 4 (6.90%) Architect
7 4 (6.90%) Senior Java Developer
8 3 (5.17%) Junior
8 3 (5.17%) Python Engineer
9 2 (3.45%) Agentic Artificial Intelligence Engineer
9 2 (3.45%) Azure Architect
9 2 (3.45%) Desktop Support
9 2 (3.45%) Full-Stack Developer
9 2 (3.45%) Full-Stack Engineer
9 2 (3.45%) NetApp Engineer
9 2 (3.45%) Network Engineer
9 2 (3.45%) Senior Full-Stack Developer
9 2 (3.45%) Technical Architect
Libraries, Frameworks & Software Standards
1 13 (22.41%) Kafka
2 11 (18.97%) RESTful
3 9 (15.52%) REST
3 9 (15.52%) SOAP
4 8 (13.79%) JSON
4 8 (13.79%) Spring
5 6 (10.34%) OpenTelemetry
5 6 (10.34%) Spring Boot
6 5 (8.62%) React
6 5 (8.62%) Web Services
7 4 (6.90%) .NET
7 4 (6.90%) Pandas
7 4 (6.90%) WSDL
8 3 (5.17%) GeoJSON
8 3 (5.17%) Matplotlib
8 3 (5.17%) Polars
8 3 (5.17%) scikit-learn
8 3 (5.17%) XML
9 2 (3.45%) Apache Avro
9 2 (3.45%) OpenID
Miscellaneous
1 11 (18.97%) Cloud Native
2 9 (15.52%) Distributed Systems
3 7 (12.07%) Clustering
4 5 (8.62%) AI Agents
5 4 (6.90%) DataPower
5 4 (6.90%) Mainframe
5 4 (6.90%) Online Banking
6 3 (5.17%) Hybrid Cloud
6 3 (5.17%) Replication
7 2 (3.45%) Cloud Security Posture
7 2 (3.45%) Data Structures
7 2 (3.45%) Foreign Exchange (FX)
7 2 (3.45%) Greenfield Project
7 2 (3.45%) Onboarding
7 2 (3.45%) Security Posture
8 1 (1.72%) Derivative
8 1 (1.72%) Distributed Architecture
8 1 (1.72%) Fixed Income
8 1 (1.72%) Low-Code
8 1 (1.72%) Management Information System
Operating Systems
1 4 (6.90%) zOS
2 2 (3.45%) Data ONTAP
2 2 (3.45%) Linux
2 2 (3.45%) Unix
3 1 (1.72%) Windows
3 1 (1.72%) Windows Server
Processes & Methodologies
1 28 (48.28%) CI/CD
2 20 (34.48%) DevOps
3 18 (31.03%) AI
3 18 (31.03%) Data Modelling
4 16 (27.59%) Observability
5 14 (24.14%) ETL
6 13 (22.41%) Data Pipeline
6 13 (22.41%) Microservices
7 12 (20.69%) Event-Driven
7 12 (20.69%) Problem-Solving
8 11 (18.97%) Agile
8 11 (18.97%) Containerisation
9 10 (17.24%) Data Engineering
9 10 (17.24%) Integration Patterns
10 9 (15.52%) Analytics
10 9 (15.52%) Business Intelligence
10 9 (15.52%) Migration
10 9 (15.52%) Test Automation
11 8 (13.79%) Validation
12 7 (12.07%) Data Governance
Programming Languages
1 32 (55.17%) SQL
2 25 (43.10%) Python
3 8 (13.79%) Java
4 7 (12.07%) C#
5 5 (8.62%) Shell Script
5 5 (8.62%) TypeScript
6 4 (6.90%) JavaScript
6 4 (6.90%) JCL
7 3 (5.17%) Data Analysis Expressions
8 2 (3.45%) ActionScript
8 2 (3.45%) ActionScript 2.0
8 2 (3.45%) Bicep
8 2 (3.45%) PL/SQL
8 2 (3.45%) Scala
9 1 (1.72%) Elixir
9 1 (1.72%) PHP
9 1 (1.72%) Ruby
9 1 (1.72%) T-SQL
9 1 (1.72%) X++
Qualifications
1 6 (10.34%) Degree
2 5 (8.62%) Security Cleared
3 4 (6.90%) Computer Science Degree
4 3 (5.17%) BPSS Clearance
5 2 (3.45%) SC Cleared
5 2 (3.45%) SnowPro
6 1 (1.72%) AWS Certification
6 1 (1.72%) AWS Certified Developer
6 1 (1.72%) AWS Certified Solutions Architect
6 1 (1.72%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 14 (24.14%) Data Quality
2 9 (15.52%) QA
3 3 (5.17%) GDPR
4 2 (3.45%) ISO 20022
4 2 (3.45%) ISO 8583
4 2 (3.45%) PSD2
4 2 (3.45%) SEPA
5 1 (1.72%) HIPAA
5 1 (1.72%) Sarbanes-Oxley
System Software
1 11 (18.97%) Docker
2 3 (5.17%) VMware Infrastructure
3 2 (3.45%) NFS
4 1 (1.72%) Varnish
4 1 (1.72%) VMware ESXi
4 1 (1.72%) VMware NSX
4 1 (1.72%) vSphere
Systems Management
1 13 (22.41%) Kubernetes
2 6 (10.34%) Grafana
2 6 (10.34%) Terraform
3 5 (8.62%) Prometheus
4 3 (5.17%) Ansible
4 3 (5.17%) Argo
5 2 (3.45%) SnapMirror
6 1 (1.72%) ITRS Geneos
6 1 (1.72%) Karpenter
6 1 (1.72%) PowerCLI
6 1 (1.72%) Single Sign-On
6 1 (1.72%) vCenter Server
Vendors
1 9 (15.52%) Microsoft
2 5 (8.62%) Google
2 5 (8.62%) Informatica
2 5 (8.62%) Oracle
3 3 (5.17%) Databricks
3 3 (5.17%) SAP
3 3 (5.17%) VMware
4 2 (3.45%) Aruba
4 2 (3.45%) Axway
4 2 (3.45%) Cisco
4 2 (3.45%) Confluent
4 2 (3.45%) Juniper
4 2 (3.45%) NetApp
4 2 (3.45%) OpenAI
4 2 (3.45%) Software AG
4 2 (3.45%) webMethods
4 2 (3.45%) Zscaler
5 1 (1.72%) Alteryx
5 1 (1.72%) RedGate
5 1 (1.72%) Splunk