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

6 months to
19 Apr 2026
Same period 2025 Same period 2024
Rank 69 87 126
Rank change year-on-year +18 +39 +11
Contract jobs citing Performance Tuning 63 29 7
As % of all contract jobs in the City of London 2.83% 1.65% 0.31%
As % of the Processes & Methodologies category 3.29% 1.77% 0.35%
Number of daily rates quoted 42 16 5
10th Percentile £343 £400 £423
25th Percentile £425 £422 £449
Median daily rate (50th Percentile) £525 £515 £450
Median % change year-on-year +2.04% +14.33% -35.71%
75th Percentile £596 £672 £550
90th Percentile £728 £762 £633
Central London median daily rate £525 £515 £450
% change year-on-year +2.04% +14.33% -30.23%
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 1,914 1,634 2,007
As % of all contract IT jobs advertised in the City of London 86.06% 92.79% 90.16%
Number of daily rates quoted 1,316 1,043 1,421
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 £675 £679 £688
90th Percentile £775 £775 £800
Central London median daily rate £550 £574 £550
% change year-on-year -4.14% +4.32% -8.33%
Number of hourly rates quoted 25 11 13
10th Percentile - £22.00 £19.13
25th Percentile £18.75 £24.66 £20.22
Median hourly rate £32.07 £31.00 £25.00
Median % change year-on-year +3.44% +24.00% -33.77%
75th Percentile £52.16 £46.25 £40.00
90th Percentile £59.72 £63.75 £48.57
Central London median hourly rate £26.56 £30.04 £27.81
% change year-on-year -11.59% +8.00% -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 19 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 10 (15.87%) Apache Airflow
2 5 (7.94%) Apache
3 4 (6.35%) CICS
4 3 (4.76%) Apache Spark
5 2 (3.17%) SharePoint
6 1 (1.59%) Microsoft Exchange
6 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 31 (49.21%) Azure
2 27 (42.86%) AWS
3 13 (20.63%) GitHub
4 12 (19.05%) Serverless
5 11 (17.46%) Amazon S3
5 11 (17.46%) Snowflake
6 10 (15.87%) Amazon CloudWatch
6 10 (15.87%) AWS Lambda
6 10 (15.87%) GCP
7 9 (14.29%) dbt
7 9 (14.29%) Power Platform
8 7 (11.11%) Amazon Kinesis
8 7 (11.11%) Azure Cosmos DB
8 7 (11.11%) Azure Data Factory
8 7 (11.11%) Azure DevOps
9 6 (9.52%) GitHub Actions
10 4 (6.35%) AWS Fargate
10 4 (6.35%) Azure AKS
10 4 (6.35%) Prefect
11 3 (4.76%) Apigee
Communications & Networking
1 4 (6.35%) VPN
2 2 (3.17%) Firewall
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%) FTP
3 1 (1.59%) HTTPS
Database & Business Intelligence
1 11 (17.46%) DynamoDB
2 10 (15.87%) Data Warehouse
3 9 (14.29%) NoSQL
4 8 (12.70%) Snowflake Schema
5 7 (11.11%) Power BI
5 7 (11.11%) SQL Server
6 6 (9.52%) Relational Database
7 5 (7.94%) Data Lake
7 5 (7.94%) DB2
7 5 (7.94%) Star Schema
8 4 (6.35%) Amazon Redshift
8 4 (6.35%) Apache Cassandra
8 4 (6.35%) MongoDB
8 4 (6.35%) PostgreSQL
8 4 (6.35%) Tableau
9 3 (4.76%) Geospatial Data
9 3 (4.76%) MySQL
9 3 (4.76%) RDBMS
9 3 (4.76%) Redis
9 3 (4.76%) SQL Server Integration Services
Development Applications
1 15 (23.81%) Git
2 6 (9.52%) Jenkins
3 5 (7.94%) GitLab
4 3 (4.76%) Gradle
4 3 (4.76%) JUnit
4 3 (4.76%) Maven
5 2 (3.17%) Gatling
5 2 (3.17%) Toad
6 1 (1.59%) Mockito
6 1 (1.59%) PHPUnit
General
1 21 (33.33%) Social Skills
2 16 (25.40%) 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%) Inclusion and Diversity
6 2 (3.17%) Law
7 1 (1.59%) Front Office
7 1 (1.59%) Local Government
7 1 (1.59%) Manufacturing
7 1 (1.59%) Marketing
7 1 (1.59%) Pharmaceutical
7 1 (1.59%) Public Sector
Job Titles
1 18 (28.57%) Data Engineer
2 17 (26.98%) Developer
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 5 (7.94%) Senior Developer
6 4 (6.35%) Senior Java Developer
7 3 (4.76%) DevOps Engineer
7 3 (4.76%) Python Engineer
7 3 (4.76%) Senior Data Engineer
8 2 (3.17%) Agentic Artificial Intelligence Engineer
8 2 (3.17%) AWS DevOps
8 2 (3.17%) AWS DevOps Engineer
8 2 (3.17%) AWS Engineer
8 2 (3.17%) Azure Architect
8 2 (3.17%) Desktop Technician
8 2 (3.17%) Full-Stack Engineer
8 2 (3.17%) Junior Architect
8 2 (3.17%) NetApp Engineer
Libraries, Frameworks & Software Standards
1 12 (19.05%) Kafka
2 9 (14.29%) RESTful
3 8 (12.70%) Spring
4 7 (11.11%) JSON
5 6 (9.52%) OpenTelemetry
5 6 (9.52%) SOAP
5 6 (9.52%) Spring Boot
6 4 (6.35%) OAuth
6 4 (6.35%) Pandas
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%) Polars
7 3 (4.76%) REST
7 3 (4.76%) scikit-learn
8 2 (3.17%) Android Jetpack
8 2 (3.17%) FastAPI
8 2 (3.17%) Jetpack Compose
8 2 (3.17%) Quarkus
Miscellaneous
1 13 (20.63%) Cloud Native
2 8 (12.70%) Distributed Systems
3 7 (11.11%) Clustering
4 4 (6.35%) DataPower
4 4 (6.35%) Mainframe
4 4 (6.35%) Online Banking
5 3 (4.76%) Foreign Exchange (FX)
6 2 (3.17%) AI Agents
6 2 (3.17%) Cloud Security Posture
6 2 (3.17%) Derivative
6 2 (3.17%) Enterprise Software
6 2 (3.17%) Fixed Income
6 2 (3.17%) Hybrid Cloud
6 2 (3.17%) Onboarding
6 2 (3.17%) Security Posture
7 1 (1.59%) Algorithms
7 1 (1.59%) Data Structures
7 1 (1.59%) Distributed Architecture
7 1 (1.59%) Linux Command Line
7 1 (1.59%) Virtual Team
Operating Systems
1 5 (7.94%) Unix
2 4 (6.35%) zOS
3 2 (3.17%) Android
3 2 (3.17%) Data ONTAP
3 2 (3.17%) Linux
4 1 (1.59%) Apple iOS
4 1 (1.59%) Windows
4 1 (1.59%) Windows Server
Processes & Methodologies
1 29 (46.03%) CI/CD
2 23 (36.51%) DevOps
3 19 (30.16%) Data Modelling
4 17 (26.98%) ETL
4 17 (26.98%) Problem-Solving
5 16 (25.40%) AI
5 16 (25.40%) Data Pipeline
6 15 (23.81%) Analytics
7 14 (22.22%) Data Engineering
8 13 (20.63%) Observability
9 12 (19.05%) Microservices
10 11 (17.46%) Agile
10 11 (17.46%) Containerisation
10 11 (17.46%) Data Governance
10 11 (17.46%) Event-Driven
11 9 (14.29%) Business Intelligence
11 9 (14.29%) Data Transformation
12 8 (12.70%) Test Automation
12 8 (12.70%) Validation
13 7 (11.11%) Infrastructure as Code
Programming Languages
1 42 (66.67%) SQL
2 27 (42.86%) Python
3 10 (15.87%) Java
4 6 (9.52%) Shell Script
5 4 (6.35%) JCL
5 4 (6.35%) Perl
6 3 (4.76%) C#
6 3 (4.76%) Data Analysis Expressions
6 3 (4.76%) PHP
6 3 (4.76%) PL/SQL
7 2 (3.17%) Bicep
7 2 (3.17%) JavaScript
7 2 (3.17%) Kotlin
7 2 (3.17%) Scala
7 2 (3.17%) T-SQL
7 2 (3.17%) TypeScript
8 1 (1.59%) ActionScript
8 1 (1.59%) C
8 1 (1.59%) COBOL
8 1 (1.59%) Elixir
Qualifications
1 5 (7.94%) Computer Science Degree
1 5 (7.94%) Degree
1 5 (7.94%) Security Cleared
2 3 (4.76%) BPSS Clearance
2 3 (4.76%) SC Cleared
3 2 (3.17%) SnowPro
4 1 (1.59%) AWS Certification
4 1 (1.59%) AWS Certified Developer
4 1 (1.59%) AWS Certified Solutions Architect
4 1 (1.59%) DBS Check
Quality Assurance & Compliance
1 17 (26.98%) Data Quality
2 9 (14.29%) QA
3 3 (4.76%) ISO 8583
4 2 (3.17%) ISO 20022
4 2 (3.17%) PSD2
4 2 (3.17%) SEPA
5 1 (1.59%) Accessibility
5 1 (1.59%) GDPR
5 1 (1.59%) HIPAA
System Software
1 11 (17.46%) 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 8 (12.70%) Terraform
3 6 (9.52%) Grafana
4 5 (7.94%) Ansible
4 5 (7.94%) Prometheus
5 3 (4.76%) Argo
6 2 (3.17%) ITRS Geneos
6 2 (3.17%) SnapMirror
7 1 (1.59%) Karpenter
Vendors
1 13 (20.63%) Microsoft
2 7 (11.11%) Google
3 6 (9.52%) Databricks
4 5 (7.94%) Informatica
5 4 (6.35%) Oracle
6 3 (4.76%) Splunk
7 2 (3.17%) AppDynamics
7 2 (3.17%) Aruba
7 2 (3.17%) Bloomberg
7 2 (3.17%) Cisco
7 2 (3.17%) Confluent
7 2 (3.17%) Juniper
7 2 (3.17%) MarketAxess
7 2 (3.17%) NetApp
7 2 (3.17%) OpenAI
7 2 (3.17%) SAP
7 2 (3.17%) Tradeweb
7 2 (3.17%) VMware
7 2 (3.17%) Zscaler
8 1 (1.59%) Denodo