Period
to 20 September 2021

The table below looks at the prevalence of the term Client/Server in contract job vacancies advertised in London. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Client/Server over the 6 months to 20 September 2021 with a comparison to the same period over the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Client Server
England > London
6 months to
20 Sep 2021
Same period 2020 Same period 2019
Rank 477 325 517
Rank change year-on-year -152 +192 +53
Contract jobs citing Client/Server 65 27 80
As % of all contract jobs advertised in London 0.19% 0.21% 0.21%
As % of the Miscellaneous category 0.59% 0.56% 0.65%
Number of daily rates quoted 46 19 48
10th Percentile £275 £413 £342
25th Percentile £431 £476 £413
Median daily rate (50th Percentile) £600 £525 £500
Median % change year-on-year +14.29% +5.00% +14.29%
75th Percentile £669 £600 £582
90th Percentile £713 £611 £661
England median daily rate £513 £500 £425
% change year-on-year +2.50% +17.65% -
Number of hourly rates quoted 0 0 3
Median hourly rate - - £50.00
England median hourly rate £65.54 £19.50 £50.00
% change year-on-year +236.10% -61.00% +33.33%

Client/Server is in the Generic IT Skills category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for generic IT skills.

All Generic IT Skills
London
Contract vacancies with a requirement for generic IT skills 10,931 4,817 12,302
As % of all contract IT jobs advertised in London 32.76% 36.70% 31.68%
Number of daily rates quoted 7,906 3,473 8,788
10th Percentile £363 £318 £318
25th Percentile £463 £425 £413
Median daily rate (50th Percentile) £555 £540 £525
Median % change year-on-year +2.78% +2.86% -
75th Percentile £675 £663 £625
90th Percentile £750 £750 £700
England median daily rate £525 £500 £475
% change year-on-year +5.00% +5.26% -
Number of hourly rates quoted 154 67 155
10th Percentile £14.62 £15.56 £12.76
25th Percentile £20.40 £23.75 £15.85
Median hourly rate £32.50 £37.75 £22.50
Median % change year-on-year -13.91% +67.78% -4.26%
75th Percentile £48.31 £47.75 £47.50
90th Percentile £62.45 £53.50 £52.80
England median hourly rate £25.00 £31.50 £20.98
% change year-on-year -20.63% +50.16% -0.70%

Client/Server
Job Vacancy Trend in London

Job postings citing Client/Server as a proportion of all IT jobs advertised in London.

Job vacancy trend for Client/Server in London

Client/Server
Contractor Daily Rate Trend in London

3-month moving average daily rate quoted in jobs citing Client/Server in London.

Daily rate trend for Client/Server in London

Client/Server
Daily Rate Histogram in London

Daily rate distribution for jobs citing Client/Server in London over the 6 months to 20 September 2021.

Daily rate histogram for Client/Server in London

Client/Server
Contractor Hourly Rate Trend in London

3-month moving average hourly rates quoted in jobs citing Client/Server in London.

Hourly rate trend for Client/Server in London

Client/Server
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Client/Server within the London region over the 6 months to 20 September 2021. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -38 17 £600 +54.84% 6
East London - 1 £313 - 2
Client/Server
England

For the 6 months to 20 September 2021, IT contractor jobs citing Client/Server also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the London region with a requirement for Client/Server.

1 26 (40.00%) Agile Software Development
2 22 (33.85%) Java
3 21 (32.31%) Finance
4 19 (29.23%) SQL
4 19 (29.23%) Relational Database
5 18 (27.69%) DevOps
6 17 (26.15%) C#
7 15 (23.08%) Test Automation
7 15 (23.08%) Social Skills
8 14 (21.54%) Microservices
8 14 (21.54%) TDD
9 13 (20.00%) Python
9 13 (20.00%) Azure
9 13 (20.00%) AngularJS
10 12 (18.46%) Jenkins
10 12 (18.46%) RESTful
10 12 (18.46%) Multithreading
10 12 (18.46%) JavaScript
11 11 (16.92%) TCP/IP
11 11 (16.92%) JSON
11 11 (16.92%) AWS
12 10 (15.38%) HTTP
12 10 (15.38%) Windows
12 10 (15.38%) React
12 10 (15.38%) Problem-Solving
12 10 (15.38%) Full Stack Development
13 9 (13.85%) .NET
13 9 (13.85%) Workflow
13 9 (13.85%) Ansible
14 8 (12.31%) Artifactory

Client/Server
Co-occurring IT Skills in London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 1 (1.54%) Adobe Experience Manager
1 1 (1.54%) Elasticsearch
1 1 (1.54%) GemFire
1 1 (1.54%) MS Exchange
Applications
1 8 (12.31%) Chatbot
2 4 (6.15%) Microsoft Office
3 2 (3.08%) Microsoft Excel
3 2 (3.08%) MS Visio
4 1 (1.54%) Microsoft PowerPoint
Business Applications
1 2 (3.08%) Eikon
1 2 (3.08%) Refinitiv Enterprise Platform
1 2 (3.08%) SAP CRM
2 1 (1.54%) ION MarketView
2 1 (1.54%) OpenText VIM for SAP
Cloud Services
1 13 (20.00%) Azure
2 11 (16.92%) AWS
3 7 (10.77%) Power Platform
4 4 (6.15%) GitHub
5 2 (3.08%) Amazon CloudWatch
5 2 (3.08%) Amazon EKS
5 2 (3.08%) AWS CloudFormation
5 2 (3.08%) AWS Lambda
5 2 (3.08%) Microsoft 365
5 2 (3.08%) SaaS
5 2 (3.08%) Serverless
6 1 (1.54%) GCP
6 1 (1.54%) IaaS
6 1 (1.54%) PaaS
Communications & Networking
1 11 (16.92%) TCP/IP
2 10 (15.38%) HTTP
3 7 (10.77%) Firewall
3 7 (10.77%) RTMP
4 5 (7.69%) VPN
5 2 (3.08%) Internet
5 2 (3.08%) Network Security
6 1 (1.54%) Intranet
6 1 (1.54%) LAN
6 1 (1.54%) Multicast
6 1 (1.54%) NetScaler
6 1 (1.54%) SSL
6 1 (1.54%) WAN
Database & Business Intelligence
1 19 (29.23%) Relational Database
2 7 (10.77%) Power BI
2 7 (10.77%) Tableau
3 4 (6.15%) NoSQL
4 1 (1.54%) MongoDB
4 1 (1.54%) RDBMS
4 1 (1.54%) Redis
4 1 (1.54%) SQL Server
Development Applications
1 12 (18.46%) Jenkins
2 8 (12.31%) Artifactory
3 6 (9.23%) Git (software)
4 4 (6.15%) Android Studio
4 4 (6.15%) Gradle
5 2 (3.08%) Codeship
5 2 (3.08%) Selenium
5 2 (3.08%) Subversion
5 2 (3.08%) TeamCity
6 1 (1.54%) Burp Suite
6 1 (1.54%) Cucumber
6 1 (1.54%) Cypress.io
6 1 (1.54%) JIRA
6 1 (1.54%) SoapUI
General
1 21 (32.31%) Finance
2 15 (23.08%) Social Skills
3 7 (10.77%) Influencing Skills
4 6 (9.23%) Banking
5 5 (7.69%) Analytical Skills
5 5 (7.69%) Front Office
5 5 (7.69%) Publishing
6 2 (3.08%) Retail
7 1 (1.54%) Financial Institution
7 1 (1.54%) Games
7 1 (1.54%) General Ledger
7 1 (1.54%) Investment Banking
7 1 (1.54%) Law
7 1 (1.54%) Public Sector
7 1 (1.54%) Retail Banking
7 1 (1.54%) Telecoms
Job Titles
1 44 (67.69%) Developer
2 14 (21.54%) C# Developer
3 10 (15.38%) Full Stack Developer
4 6 (9.23%) Android Developer
4 6 (9.23%) Java Developer
4 6 (9.23%) Senior Developer
5 5 (7.69%) Analyst
5 5 (7.69%) Node.js Developer
5 5 (7.69%) Python Developer
6 4 (6.15%) Architect
6 4 (6.15%) JavaScript Developer
6 4 (6.15%) Mobile Developer
6 4 (6.15%) SOC Analyst
6 4 (6.15%) Tester
7 3 (4.62%) SQL Developer
8 2 (3.08%) Applications Developer
8 2 (3.08%) Lead Developer
8 2 (3.08%) Security Engineer
8 2 (3.08%) Senior C# Developer
8 2 (3.08%) Support Engineer
Libraries, Frameworks & Software Standards
1 13 (20.00%) AngularJS
2 12 (18.46%) RESTful
3 11 (16.92%) JSON
4 10 (15.38%) React
5 9 (13.85%) .NET
6 7 (10.77%) Node.js
7 5 (7.69%) .NET Core
7 5 (7.69%) gRPC
7 5 (7.69%) Protocol Buffers
7 5 (7.69%) REST
8 4 (6.15%) Android SDK
8 4 (6.15%) Dagger
8 4 (6.15%) OkHttp
8 4 (6.15%) Retrofit
8 4 (6.15%) RxJava
8 4 (6.15%) Web Services
9 3 (4.62%) CSS
9 3 (4.62%) Middleware
9 3 (4.62%) SOAP
9 3 (4.62%) XML
Miscellaneous
1 5 (7.69%) Foreign Exchange (FX)
2 4 (6.15%) Data Protection Act
3 3 (4.62%) Mobile App
4 2 (3.08%) Cloud Native
4 2 (3.08%) Legacy Applications
4 2 (3.08%) Management Information System
4 2 (3.08%) Private Cloud
4 2 (3.08%) Public Cloud
4 2 (3.08%) User Experience
4 2 (3.08%) Wiki
5 1 (1.54%) Algorithms
5 1 (1.54%) Credit Derivative
5 1 (1.54%) Data Structures
5 1 (1.54%) Derivative
5 1 (1.54%) Fibre Optics
5 1 (1.54%) Fixed Income
5 1 (1.54%) Legacy Code
5 1 (1.54%) Mainframe
5 1 (1.54%) N-Tier
5 1 (1.54%) Self-Motivation
Operating Systems
1 10 (15.38%) Windows
2 8 (12.31%) Linux
2 8 (12.31%) Unix
3 6 (9.23%) Android
4 3 (4.62%) Windows Server
5 2 (3.08%) Red Hat Enterprise Linux
6 1 (1.54%) Mac OS X
6 1 (1.54%) Windows 10
6 1 (1.54%) Windows Server 2012
6 1 (1.54%) Windows Server 2016
Processes & Methodologies
1 26 (40.00%) Agile Software Development
2 18 (27.69%) DevOps
3 15 (23.08%) Test Automation
4 14 (21.54%) Microservices
4 14 (21.54%) TDD
5 12 (18.46%) Multithreading
6 10 (15.38%) Full Stack Development
6 10 (15.38%) Problem-Solving
7 9 (13.85%) Workflow
8 8 (12.31%) Analytics
8 8 (12.31%) Artificial Intelligence
8 8 (12.31%) Continuous Improvement
8 8 (12.31%) Conversational UI
9 7 (10.77%) BDD
9 7 (10.77%) Business Intelligence
9 7 (10.77%) Data Analytics
9 7 (10.77%) Electronic Trading
9 7 (10.77%) Scrum
9 7 (10.77%) Visualisation
10 6 (9.23%) Change Management
Programming Languages
1 22 (33.85%) Java
2 19 (29.23%) SQL
3 17 (26.15%) C#
4 13 (20.00%) Python
5 12 (18.46%) JavaScript
6 8 (12.31%) TypeScript
7 6 (9.23%) Kotlin
8 3 (4.62%) C++
8 3 (4.62%) Java 8
9 2 (3.08%) PowerShell
10 1 (1.54%) ABAP
10 1 (1.54%) Perl
10 1 (1.54%) Ruby
10 1 (1.54%) Scala
10 1 (1.54%) Shell Script
10 1 (1.54%) VBA
10 1 (1.54%) VBScript
Qualifications
1 2 (3.08%) Degree
2 1 (1.54%) (ISC)2 CCSP
2 1 (1.54%) CCA
2 1 (1.54%) CCSP
2 1 (1.54%) Cisco Certification
2 1 (1.54%) CISSP
2 1 (1.54%) Citrix Certification
2 1 (1.54%) Novell Certification
2 1 (1.54%) PRINCE2 Certification
Quality Assurance & Compliance
1 3 (4.62%) QA
2 2 (3.08%) SLA
3 1 (1.54%) GRC
3 1 (1.54%) ISO 22301
System Software
1 2 (3.08%) Docker
1 2 (3.08%) Hyper-V
2 1 (1.54%) VMware Infrastructure
2 1 (1.54%) Xen
2 1 (1.54%) XenApp
2 1 (1.54%) XenDesktop
Systems Management
1 9 (13.85%) Ansible
2 4 (6.15%) Kubernetes
2 4 (6.15%) Terraform
3 2 (3.08%) SCCM
4 1 (1.54%) ITRS Geneos
4 1 (1.54%) Microsoft Intune
4 1 (1.54%) SCOM
4 1 (1.54%) SCVMM
Vendors
1 8 (12.31%) Microsoft
2 5 (7.69%) Splunk
2 5 (7.69%) VMware
3 3 (4.62%) Citrix
3 3 (4.62%) SAP
4 2 (3.08%) Bloomberg
4 2 (3.08%) Red Hat
4 2 (3.08%) Refinitiv
4 2 (3.08%) Reuters
4 2 (3.08%) Rollbar
5 1 (1.54%) Adobe
5 1 (1.54%) Apple
5 1 (1.54%) Blue Prism
5 1 (1.54%) ION Trading
5 1 (1.54%) OpenText
5 1 (1.54%) OutSystems
5 1 (1.54%) ServiceNow
5 1 (1.54%) Tanium
5 1 (1.54%) TIBCO
5 1 (1.54%) Wyse