Period
to 8 December 2021

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for API Integration skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited API Integration over the 6 months to 8 December 2021 with a comparison to the same period in 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.

API Integration
Central London > City of London
6 months to
8 Dec 2021
Same period 2020 Same period 2019
Rank 175 121 194
Rank change year-on-year -54 +73 +55
Contract jobs citing API Integration 13 4 26
As % of all contract jobs advertised in the City of London 0.32% 0.20% 0.46%
As % of the Processes & Methodologies category 0.35% 0.23% 0.51%
Number of daily rates quoted 13 4 22
10th Percentile £453 £434 £283
25th Percentile £513 £448 £425
Median daily rate (50th Percentile) £525 £569 £519
Median % change year-on-year -7.69% +9.64% +1.22%
75th Percentile £573 £688 £567
90th Percentile £595 " £586
Central London median daily rate £525 £569 £513
% change year-on-year -7.69% +10.98% +2.50%

API Integration is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for process or methodology skills.

All Process and Methodology Skills
City of London
Contract vacancies with a requirement for process or methodology skills 3,741 1,774 5,083
As % of all contract IT jobs advertised in the City of London 91.02% 89.06% 90.04%
Number of daily rates quoted 2,884 1,334 4,010
10th Percentile £369 £313 £325
25th Percentile £463 £413 £419
Median daily rate (50th Percentile) £550 £525 £525
Median % change year-on-year +4.76% - +2.94%
75th Percentile £650 £600 £613
90th Percentile £750 £688 £688
Central London median daily rate £550 £525 £513
% change year-on-year +4.76% +2.44% +2.50%
Number of hourly rates quoted 34 28 50
10th Percentile £18.48 £14.59 £12.00
25th Percentile £21.06 £22.38 £14.00
Median hourly rate £36.25 £29.50 £19.75
Median % change year-on-year +22.88% +49.37% +5.61%
75th Percentile £61.56 £39.44 £24.50
90th Percentile £69.33 £46.53 £49.50
Central London median hourly rate £35.00 £30.95 £20.83
% change year-on-year +13.10% +48.56% +11.39%

API Integration
Job Vacancy Trend in the City of London

Job postings citing API Integration as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for API Integration in the City of London

API Integration
Contractor Daily Rate Trend in the City of London

3-month moving average daily rate quoted in jobs citing API Integration in the City of London.

Daily rate trend for API Integration in the City of London

API Integration
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing API Integration in the City of London over the 6 months to 8 December 2021.

Daily rate histogram for API Integration in the City of London

For the 6 months to 8 December 2021, IT contractor jobs citing API Integration 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 City of London region with a requirement for API Integration.

1 8 (61.54%) GitHub
2 7 (53.85%) DevOps
2 7 (53.85%) Finance
2 7 (53.85%) Banking
3 5 (38.46%) GCP
3 5 (38.46%) Ansible
3 5 (38.46%) Agile Software Development
3 5 (38.46%) REST
3 5 (38.46%) GDPR
4 4 (30.77%) Security Monitoring
4 4 (30.77%) QRadar
4 4 (30.77%) Infrastructure as Code
4 4 (30.77%) Observability
4 4 (30.77%) GitHub Actions
4 4 (30.77%) Splunk
4 4 (30.77%) Hedge funds
4 4 (30.77%) TeamCity
4 4 (30.77%) Git (software)
4 4 (30.77%) KVM
4 4 (30.77%) CyberArk
4 4 (30.77%) GitLab
4 4 (30.77%) Apigee
4 4 (30.77%) Terraform
4 4 (30.77%) Subversion
4 4 (30.77%) Legal
4 4 (30.77%) AOP
4 4 (30.77%) Google
4 4 (30.77%) Qualys
4 4 (30.77%) Data Protection
4 4 (30.77%) IBM

API Integration
Co-occurring IT Skills in the City of 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 3 (23.08%) Confluence
1 3 (23.08%) SharePoint
2 1 (7.69%) WordPress
Applications
1 1 (7.69%) MS Visio
Cloud Services
1 8 (61.54%) GitHub
2 5 (38.46%) GCP
3 4 (30.77%) Apigee
3 4 (30.77%) GitHub Actions
4 3 (23.08%) Azure
4 3 (23.08%) Cloud Computing
5 1 (7.69%) AWS
5 1 (7.69%) IaaS
5 1 (7.69%) IBM Blueworks
5 1 (7.69%) PaaS
5 1 (7.69%) SaaS
Communications & Networking
1 3 (23.08%) DNS
1 3 (23.08%) Kerberos
1 3 (23.08%) TCP/IP
Database & Business Intelligence
1 2 (15.38%) SQL Server Integration Services
1 2 (15.38%) SQL Server Reporting Services
Development Applications
1 4 (30.77%) Git (software)
1 4 (30.77%) GitLab
1 4 (30.77%) Subversion
1 4 (30.77%) TeamCity
2 3 (23.08%) JIRA
General
1 7 (53.85%) Banking
1 7 (53.85%) Finance
2 4 (30.77%) Financial Institution
2 4 (30.77%) Legal
3 3 (23.08%) International Banking
4 1 (7.69%) Marketing
Job Titles
1 4 (30.77%) Cloud Engineer
1 4 (30.77%) Platform Engineer
2 3 (23.08%) Developer
3 2 (15.38%) .NET Developer
3 2 (15.38%) Administrator
3 2 (15.38%) Linux Administrator
3 2 (15.38%) Server Engineer
3 2 (15.38%) Windows Engineer
3 2 (15.38%) Windows Server Engineer
4 1 (7.69%) Analyst
4 1 (7.69%) Automation Analyst
4 1 (7.69%) Business Analyst
4 1 (7.69%) Business Process Analyst
4 1 (7.69%) Operations Analyst
4 1 (7.69%) Operations Business Analyst
4 1 (7.69%) PHP Developer
4 1 (7.69%) Process Analyst
Libraries, Frameworks & Software Standards
1 5 (38.46%) REST
2 3 (23.08%) LDAP
3 2 (15.38%) .NET
3 2 (15.38%) ASP.NET
4 1 (7.69%) CSS
4 1 (7.69%) HTML
4 1 (7.69%) jQuery
Miscellaneous
1 4 (30.77%) Hedge funds
2 3 (23.08%) Clustering
2 3 (23.08%) Replication
3 1 (7.69%) Digital Media
Operating Systems
1 3 (23.08%) Windows
1 3 (23.08%) Windows Server
1 3 (23.08%) Windows Server 2008
2 2 (15.38%) Linux
2 2 (15.38%) Red Hat Enterprise Linux
2 2 (15.38%) Solaris
2 2 (15.38%) Unix
Processes & Methodologies
1 7 (53.85%) DevOps
2 5 (38.46%) Agile Software Development
3 4 (30.77%) AOP
3 4 (30.77%) Data Protection
3 4 (30.77%) Infrastructure as Code
3 4 (30.77%) Observability
3 4 (30.77%) Security Monitoring
4 3 (23.08%) Data Security
4 3 (23.08%) Disaster Recovery
4 3 (23.08%) High Availability
4 3 (23.08%) Security Hardening
4 3 (23.08%) Storage Management
5 2 (15.38%) Customer Requirements
5 2 (15.38%) Fintech
5 2 (15.38%) Infrastructure Engineering
5 2 (15.38%) Investment Management
5 2 (15.38%) Kernel Tuning
5 2 (15.38%) MVC
6 1 (7.69%) BPMN
6 1 (7.69%) Business Process Improvement
Programming Languages
1 3 (23.08%) PowerShell
1 3 (23.08%) Python
1 3 (23.08%) VBA
2 2 (15.38%) C#
2 2 (15.38%) SQL
3 1 (7.69%) JavaScript
3 1 (7.69%) PHP
Quality Assurance & Compliance
1 5 (38.46%) GDPR
2 1 (7.69%) Sarbanes-Oxley
System Software
1 4 (30.77%) KVM
2 3 (23.08%) Active Directory
2 3 (23.08%) VMware ESXi
2 3 (23.08%) VMware Infrastructure
Systems Management
1 5 (38.46%) Ansible
2 4 (30.77%) QRadar
2 4 (30.77%) Terraform
3 3 (23.08%) Control-M
3 3 (23.08%) EMC NetWorker
3 3 (23.08%) Netcool
3 3 (23.08%) Tivoli
3 3 (23.08%) Tivoli Storage Manager
4 2 (15.38%) Red Hat Satellite
Vendors
1 4 (30.77%) CyberArk
1 4 (30.77%) Google
1 4 (30.77%) IBM
1 4 (30.77%) Qualys
1 4 (30.77%) Splunk
2 3 (23.08%) BMC
2 3 (23.08%) EMC
2 3 (23.08%) Microsoft
2 3 (23.08%) VMware
3 2 (15.38%) Red Hat
4 1 (7.69%) Oracle