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 29 April 2026, with comparisons to the same periods in the previous two years.

6 months to
29 Apr 2026
Same period 2025 Same period 2024
Rank 70 87 119
Rank change year-on-year +17 +32 +21
Contract jobs citing Performance Tuning 63 31 7
As % of all contract jobs in the City of London 2.76% 1.76% 0.32%
As % of the Processes & Methodologies category 3.24% 1.89% 0.35%
Number of daily rates quoted 41 16 5
10th Percentile £343 £400 £423
25th Percentile £463 £422 £450
Median daily rate (50th Percentile) £525 £515 £525
Median % change year-on-year +2.04% -2.00% -21.93%
75th Percentile £625 £672 £550
90th Percentile £738 £762 £633
Central London median daily rate £525 £515 £525
% change year-on-year +2.04% -2.00% -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 1,942 1,636 1,993
As % of all contract IT jobs advertised in the City of London 85.14% 93.01% 90.51%
Number of daily rates quoted 1,324 1,038 1,405
10th Percentile £363 £363 £359
25th Percentile £450 £463 £450
Median daily rate (50th Percentile) £550 £575 £565
Median % change year-on-year -4.35% +1.77% -5.83%
75th Percentile £675 £680 £688
90th Percentile £775 £775 £800
Central London median daily rate £550 £575 £550
% change year-on-year -4.35% +4.55% -8.33%
Number of hourly rates quoted 27 12 13
10th Percentile £18.14 £22.00 £19.13
25th Percentile £18.75 £24.00 £20.22
Median hourly rate £27.50 £29.58 £25.00
Median % change year-on-year -7.02% +18.30% -28.57%
75th Percentile £47.41 £45.00 £40.00
90th Percentile £59.72 £62.25 £48.57
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 29 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 7 (11.11%) Apache Airflow
2 4 (6.35%) Apache
2 4 (6.35%) CICS
3 2 (3.17%) Apache Spark
3 2 (3.17%) SharePoint
4 1 (1.59%) Microsoft Exchange
4 1 (1.59%) nginx
Applications
1 2 (3.17%) Microsoft Excel
1 2 (3.17%) Microsoft Office
1 2 (3.17%) Microsoft PowerPoint
Business Applications
1 2 (3.17%) Payment Gateway
2 1 (1.59%) BASE24
2 1 (1.59%) Dynamics CRM
2 1 (1.59%) Magento
2 1 (1.59%) Oracle EBS
2 1 (1.59%) Oracle EBS R12
2 1 (1.59%) SAP ERP
Cloud Services
1 29 (46.03%) Azure
2 23 (36.51%) AWS
3 12 (19.05%) GitHub
4 11 (17.46%) Serverless
5 9 (14.29%) Amazon CloudWatch
5 9 (14.29%) Amazon S3
5 9 (14.29%) GCP
5 9 (14.29%) Power Platform
5 9 (14.29%) Snowflake
6 8 (12.70%) AWS Lambda
7 7 (11.11%) Amazon Kinesis
7 7 (11.11%) Azure Cosmos DB
7 7 (11.11%) Azure Data Factory
8 6 (9.52%) Azure DevOps
8 6 (9.52%) dbt
8 6 (9.52%) GitHub Actions
9 4 (6.35%) Azure AKS
10 3 (4.76%) Azure Monitor
10 3 (4.76%) Azure Synapse Analytics
10 3 (4.76%) GitHub Copilot
Communications & Networking
1 5 (7.94%) VPN
2 2 (3.17%) Firewall
2 2 (3.17%) FTP
2 2 (3.17%) Internet
2 2 (3.17%) LAN
2 2 (3.17%) Network Security
2 2 (3.17%) SD-WAN
2 2 (3.17%) WAN
2 2 (3.17%) Wi-Fi
3 1 (1.59%) HTTPS
3 1 (1.59%) Multicast
Database & Business Intelligence
1 10 (15.87%) DynamoDB
2 9 (14.29%) NoSQL
3 8 (12.70%) Snowflake Schema
4 7 (11.11%) Data Warehouse
4 7 (11.11%) SQL Server
5 6 (9.52%) Power BI
5 6 (9.52%) Relational Database
6 5 (7.94%) DB2
7 4 (6.35%) Apache Cassandra
7 4 (6.35%) Data Lake
7 4 (6.35%) MongoDB
7 4 (6.35%) PostgreSQL
7 4 (6.35%) Star Schema
8 3 (4.76%) Amazon Redshift
8 3 (4.76%) Geospatial Data
8 3 (4.76%) Metadata
8 3 (4.76%) RDBMS
8 3 (4.76%) Redis
8 3 (4.76%) SQL Server Integration Services
8 3 (4.76%) Tableau
Development Applications
1 14 (22.22%) Git
2 5 (7.94%) GitLab
2 5 (7.94%) Jenkins
3 3 (4.76%) Gradle
3 3 (4.76%) JUnit
3 3 (4.76%) Maven
4 2 (3.17%) Gatling
4 2 (3.17%) Toad
5 1 (1.59%) JIRA
5 1 (1.59%) Mockito
5 1 (1.59%) PHPUnit
5 1 (1.59%) Visual Studio
General
1 23 (36.51%) Social Skills
2 18 (28.57%) Finance
3 13 (20.63%) Banking
4 8 (12.70%) Analytical Skills
5 3 (4.76%) Publishing
6 2 (3.17%) Financial Institution
6 2 (3.17%) Front Office
6 2 (3.17%) Law
7 1 (1.59%) Inclusion and Diversity
7 1 (1.59%) Legal
7 1 (1.59%) Local Government
7 1 (1.59%) Marketing
7 1 (1.59%) Public Sector
Job Titles
1 19 (30.16%) Developer
2 15 (23.81%) Data Engineer
3 8 (12.70%) Senior
3 8 (12.70%) Snowflake Data Engineer
3 8 (12.70%) Snowflake Engineer
4 7 (11.11%) Java Developer
5 6 (9.52%) Senior Developer
6 4 (6.35%) Senior Java Developer
7 3 (4.76%) Architect
7 3 (4.76%) Python Engineer
8 2 (3.17%) Agentic Artificial Intelligence Engineer
8 2 (3.17%) Applications Support
8 2 (3.17%) Azure Architect
8 2 (3.17%) Desktop Support
8 2 (3.17%) Full-Stack Engineer
8 2 (3.17%) Junior
8 2 (3.17%) NetApp Engineer
8 2 (3.17%) Senior Data Engineer
8 2 (3.17%) Support Technician
8 2 (3.17%) Technical Architect
Libraries, Frameworks & Software Standards
1 11 (17.46%) Kafka
2 10 (15.87%) RESTful
3 8 (12.70%) Spring
4 7 (11.11%) JSON
4 7 (11.11%) SOAP
5 6 (9.52%) OpenTelemetry
5 6 (9.52%) Spring Boot
6 4 (6.35%) Pandas
6 4 (6.35%) REST
6 4 (6.35%) Web Services
6 4 (6.35%) WSDL
7 3 (4.76%) GeoJSON
7 3 (4.76%) Matplotlib
7 3 (4.76%) Middleware
7 3 (4.76%) OAuth
7 3 (4.76%) Polars
7 3 (4.76%) React
7 3 (4.76%) scikit-learn
8 2 (3.17%) Jetpack Compose
8 2 (3.17%) Quarkus
Miscellaneous
1 11 (17.46%) Cloud Native
2 8 (12.70%) Distributed Systems
3 7 (11.11%) Clustering
4 5 (7.94%) Foreign Exchange (FX)
5 4 (6.35%) DataPower
5 4 (6.35%) Mainframe
5 4 (6.35%) Online Banking
6 3 (4.76%) Derivative
6 3 (4.76%) Fixed Income
7 2 (3.17%) AI Agents
7 2 (3.17%) Cloud Security Posture
7 2 (3.17%) Data Structures
7 2 (3.17%) Hybrid Cloud
7 2 (3.17%) Onboarding
7 2 (3.17%) Replication
7 2 (3.17%) Security Posture
8 1 (1.59%) Algorithms
8 1 (1.59%) Data Centre
8 1 (1.59%) IoT
8 1 (1.59%) Virtual Team
Operating Systems
1 6 (9.52%) Unix
2 4 (6.35%) zOS
3 3 (4.76%) Linux
4 2 (3.17%) Android
4 2 (3.17%) Data ONTAP
5 1 (1.59%) Apple iOS
5 1 (1.59%) Windows
5 1 (1.59%) Windows Server
Processes & Methodologies
1 28 (44.44%) CI/CD
2 23 (36.51%) DevOps
3 19 (30.16%) Data Modelling
4 17 (26.98%) Problem-Solving
5 16 (25.40%) AI
6 15 (23.81%) ETL
7 14 (22.22%) Analytics
7 14 (22.22%) Observability
8 13 (20.63%) Data Pipeline
9 12 (19.05%) Agile
9 12 (19.05%) Data Engineering
10 11 (17.46%) Microservices
11 10 (15.87%) Containerisation
11 10 (15.87%) Data Governance
11 10 (15.87%) Event-Driven
12 9 (14.29%) Test Automation
13 8 (12.70%) Business Intelligence
13 8 (12.70%) Integration Patterns
13 8 (12.70%) Validation
14 7 (11.11%) Data Transformation
Programming Languages
1 40 (63.49%) SQL
2 25 (39.68%) Python
3 10 (15.87%) Java
4 7 (11.11%) Shell Script
5 5 (7.94%) C#
6 4 (6.35%) JCL
6 4 (6.35%) Perl
7 3 (4.76%) Data Analysis Expressions
7 3 (4.76%) PHP
7 3 (4.76%) PL/SQL
7 3 (4.76%) TypeScript
8 2 (3.17%) Bicep
8 2 (3.17%) JavaScript
8 2 (3.17%) Kotlin
8 2 (3.17%) Scala
8 2 (3.17%) T-SQL
9 1 (1.59%) ActionScript
9 1 (1.59%) C
9 1 (1.59%) COBOL
9 1 (1.59%) X++
Qualifications
1 5 (7.94%) Degree
1 5 (7.94%) Security Cleared
2 4 (6.35%) Computer Science Degree
3 3 (4.76%) BPSS Clearance
4 2 (3.17%) SC Cleared
4 2 (3.17%) SnowPro
5 1 (1.59%) AWS Certification
5 1 (1.59%) AWS Certified Developer
5 1 (1.59%) AWS Certified Solutions Architect
5 1 (1.59%) DBS Check
Quality Assurance & Compliance
1 15 (23.81%) Data Quality
2 9 (14.29%) QA
3 3 (4.76%) ISO 8583
4 2 (3.17%) GDPR
4 2 (3.17%) ISO 20022
4 2 (3.17%) PSD2
4 2 (3.17%) SEPA
5 1 (1.59%) HIPAA
System Software
1 10 (15.87%) Docker
2 2 (3.17%) NFS
2 2 (3.17%) VMware Infrastructure
3 1 (1.59%) Varnish
Systems Management
1 10 (15.87%) Kubernetes
2 6 (9.52%) Grafana
3 5 (7.94%) Prometheus
3 5 (7.94%) Terraform
4 4 (6.35%) Ansible
5 3 (4.76%) Argo
5 3 (4.76%) ITRS Geneos
6 2 (3.17%) SnapMirror
7 1 (1.59%) Karpenter
7 1 (1.59%) Single Sign-On
Vendors
1 14 (22.22%) Microsoft
2 7 (11.11%) Google
3 5 (7.94%) Databricks
3 5 (7.94%) Informatica
3 5 (7.94%) Oracle
4 3 (4.76%) Splunk
5 2 (3.17%) AppDynamics
5 2 (3.17%) Aruba
5 2 (3.17%) Bloomberg
5 2 (3.17%) Cisco
5 2 (3.17%) Confluent
5 2 (3.17%) Juniper
5 2 (3.17%) MarketAxess
5 2 (3.17%) NetApp
5 2 (3.17%) OpenAI
5 2 (3.17%) SAP
5 2 (3.17%) Tradeweb
5 2 (3.17%) VMware
5 2 (3.17%) Zscaler
6 1 (1.59%) Denodo