Period
to 19 January 2022

The following table provides summary statistics for contract job vacancies advertised in England with a requirement for API Development skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited API Development over the 6 months to 19 January 2022 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 Development
UK > England
6 months to
19 Jan 2022
Same period 2021 Same period 2020
Rank 338 309 374
Rank change year-on-year -29 +65 +8
Contract jobs citing API Development 529 262 411
As % of all contract jobs advertised in England 0.76% 0.77% 0.63%
As % of the Processes & Methodologies category 0.85% 0.88% 0.73%
Number of daily rates quoted 387 155 289
10th Percentile £405 £320 £325
25th Percentile £463 £400 £410
Median daily rate (50th Percentile) £550 £500 £463
Median % change year-on-year +10.00% +7.99% -2.53%
75th Percentile £675 £585 £550
90th Percentile £813 £645 £650
UK median daily rate £550 £500 £463
% change year-on-year +10.00% +7.99% -2.53%
Number of hourly rates quoted 6 1 2
10th Percentile £48.00 - £41.63
25th Percentile - £31.88 £42.19
Median hourly rate £49.75 £33.75 £43.75
Median % change year-on-year +47.41% -22.86% +62.61%
75th Percentile - £35.63 £44.69
90th Percentile £54.88 - £44.88
UK median hourly rate £49.75 £34.38 £43.75
% change year-on-year +44.73% -21.43% +62.61%

API Development 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 England with a requirement for process or methodology skills.

All Process and Methodology Skills
England
Contract vacancies with a requirement for process or methodology skills 62,338 29,640 56,544
As % of all contract IT jobs advertised in England 89.30% 87.45% 86.62%
Number of daily rates quoted 44,265 20,400 38,291
10th Percentile £325 £300 £288
25th Percentile £425 £375 £375
Median daily rate (50th Percentile) £525 £475 £475
Median % change year-on-year +10.53% - -
75th Percentile £638 £575 £575
90th Percentile £725 £663 £650
UK median daily rate £525 £475 £475
% change year-on-year +10.53% - -
Number of hourly rates quoted 1,446 979 1,686
10th Percentile £12.13 £11.87 £11.82
25th Percentile £15.00 £15.75 £14.90
Median hourly rate £25.15 £26.81 £20.92
Median % change year-on-year -6.19% +28.15% -3.87%
75th Percentile £49.25 £47.50 £45.00
90th Percentile £63.63 £58.75 £52.50
UK median hourly rate £25.50 £27.00 £21.00
% change year-on-year -5.56% +28.57% -3.49%

API Development
Job Vacancy Trend in England

Job postings citing API Development as a proportion of all IT jobs advertised in England.

Job vacancy trend for API Development in England

API Development
Contractor Daily Rate Trend in England

3-month moving average daily rate quoted in jobs citing API Development in England.

Daily rate trend for API Development in England

API Development
Daily Rate Histogram in England

Daily rate distribution for jobs citing API Development in England over the 6 months to 19 January 2022.

Daily rate histogram for API Development in England

API Development
Contractor Hourly Rate Trend in England

3-month moving average hourly rates quoted in jobs citing API Development in England.

Hourly rate trend for API Development in England

API Development
Hourly Rate Histogram in England

Hourly rate distribution of jobs citing API Development in England over the 6 months to 19 January 2022.

Hourly rate histogram for API Development in England

API Development
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing API Development within the England region over the 6 months to 19 January 2022. 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
Jobs
London -46 354 £600 +18.52% 68
North of England -28 50 £475 +11.76% 29
Yorkshire -23 32 £500 +11.11% 8
South East -68 30 £488 +50.00% 11
North West -37 18 £425 +9.68% 20
Midlands -64 16 £415 +18.57% 12
South West -39 15 £513 -12.77% 11
West Midlands -48 12 £475 +35.71% 4
East of England -39 9 £430 -0.86% 10
East Midlands -40 4 £380 -26.92% 8
API Development
UK

For the 6 months to 19 January 2022, IT contractor jobs citing API Development 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 England region with a requirement for API Development.

1 277 (52.36%) Agile Software Development
2 181 (34.22%) Azure
3 169 (31.95%) Java
4 166 (31.38%) CI/CD
5 159 (30.06%) Finance
6 147 (27.79%) DevOps
7 145 (27.41%) JavaScript
8 143 (27.03%) SQL
9 138 (26.09%) Git (software)
10 137 (25.90%) REST
11 135 (25.52%) RESTful
12 130 (24.57%) Microservices
13 127 (24.01%) .NET
14 119 (22.50%) Social Skills
15 115 (21.74%) C#
16 107 (20.23%) Scrum
16 107 (20.23%) AWS
17 101 (19.09%) Python
18 97 (18.34%) Software Engineering
19 90 (17.01%) Banking
20 88 (16.64%) Kubernetes
21 80 (15.12%) Test Automation
22 79 (14.93%) API Design
23 78 (14.74%) Docker
23 78 (14.74%) SQL Server
24 77 (14.56%) TDD
25 75 (14.18%) Spring
26 73 (13.80%) React
27 72 (13.61%) OO
27 72 (13.61%) TypeScript

API Development
Co-occurring IT Skills in England 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 18 (3.40%) BizTalk Server
2 17 (3.21%) nginx
3 15 (2.84%) CMS
3 15 (2.84%) Confluence
4 12 (2.27%) Apache
5 11 (2.08%) Apache Spark
5 11 (2.08%) Headless CMS
6 10 (1.89%) Elasticsearch
7 9 (1.70%) Gunicorn
8 8 (1.51%) Tomcat
9 7 (1.32%) IIS
10 6 (1.13%) Apache Airflow
11 5 (0.95%) Mule
12 4 (0.76%) Drupal
12 4 (0.76%) EPiServer
12 4 (0.76%) SharePoint
13 3 (0.57%) Luigi
14 2 (0.38%) Anypoint
14 2 (0.38%) AquaLogic
15 1 (0.19%) JBoss
Applications
1 8 (1.51%) Chatbot
2 1 (0.19%) Microsoft Office
Business Applications
1 15 (2.84%) Dynamics CRM
2 3 (0.57%) Payment Gateway
3 1 (0.19%) Sparx Enterprise Architect
Cloud Services
1 181 (34.22%) Azure
2 107 (20.23%) AWS
3 64 (12.10%) GitHub
4 54 (10.21%) Serverless
5 50 (9.45%) GCP
6 38 (7.18%) Azure Service Bus
7 36 (6.81%) SaaS
8 31 (5.86%) Azure Functions
9 27 (5.10%) Azure Logic Apps
10 22 (4.16%) Azure Event Grid
10 22 (4.16%) GitHub Actions
11 19 (3.59%) Dynamics 365
11 19 (3.59%) Power Platform
12 16 (3.02%) PaaS
13 13 (2.46%) iPaaS
14 12 (2.27%) AWS Lambda
15 10 (1.89%) Apigee
16 9 (1.70%) Azure Cosmos DB
16 9 (1.70%) npm
17 8 (1.51%) Power Automate
Communications & Networking
1 12 (2.27%) HTTP
2 8 (1.51%) SSL
3 7 (1.32%) RTMP
4 5 (0.95%) TCP/IP
5 4 (0.76%) VPN
6 3 (0.57%) Network Security
7 1 (0.19%) 2G
7 1 (0.19%) BGP
7 1 (0.19%) FTP
7 1 (0.19%) Internet
7 1 (0.19%) MPLS
7 1 (0.19%) OpenFlow
7 1 (0.19%) OSPF
Database & Business Intelligence
1 78 (14.74%) SQL Server
2 38 (7.18%) PostgreSQL
3 30 (5.67%) MongoDB
4 29 (5.48%) NoSQL
5 25 (4.73%) Relational Database
6 24 (4.54%) Redis
7 15 (2.84%) Data Lake
8 13 (2.46%) Power BI
9 10 (1.89%) Amazon DynamoDB
9 10 (1.89%) Data Warehouse
9 10 (1.89%) MySQL
10 9 (1.70%) Amazon Aurora
10 9 (1.70%) Amazon RDS
10 9 (1.70%) Big Data
10 9 (1.70%) Parquet
11 8 (1.51%) Apache Cassandra
11 8 (1.51%) Cloudant
11 8 (1.51%) Hadoop
12 7 (1.32%) Tableau
13 6 (1.13%) Hazelcast
Development Applications
1 138 (26.09%) Git (software)
2 57 (10.78%) Jenkins
3 56 (10.59%) Maven
4 44 (8.32%) JIRA
5 30 (5.67%) NUnit
6 28 (5.29%) Moq
7 27 (5.10%) SpecFlow
8 24 (4.54%) CircleCI
9 22 (4.16%) Visual Studio
10 21 (3.97%) JUnit
11 18 (3.40%) GitLab
12 14 (2.65%) SonarQube
12 14 (2.65%) Sonatype Nexus
13 12 (2.27%) Artifactory
13 12 (2.27%) Bitbucket
14 11 (2.08%) Subversion
15 9 (1.70%) CocoaPods
15 9 (1.70%) Xcode
16 6 (1.13%) TeamCity
17 5 (0.95%) Selenium
General
1 159 (30.06%) Finance
2 119 (22.50%) Social Skills
3 90 (17.01%) Banking
4 52 (9.83%) Investment Banking
5 48 (9.07%) Analytical Skills
6 24 (4.54%) Financial Institution
7 23 (4.35%) Marketing
8 22 (4.16%) Legal
9 21 (3.97%) Presentation Skills
10 19 (3.59%) Retail
11 14 (2.65%) Public Sector
12 11 (2.08%) Electronics
12 11 (2.08%) Front Office
13 9 (1.70%) Telecoms
14 7 (1.32%) Influencing Skills
14 7 (1.32%) Publishing
14 7 (1.32%) Retail Banking
15 6 (1.13%) Games
15 6 (1.13%) Manufacturing
16 5 (0.95%) Law
Job Titles
1 392 (74.10%) Developer
2 100 (18.90%) Java Developer
3 89 (16.82%) Senior Developer
4 55 (10.40%) .NET Developer
5 45 (8.51%) Senior Java Developer
6 41 (7.75%) Full Stack Developer
7 33 (6.24%) Core Java Developer
8 32 (6.05%) Architect
9 30 (5.67%) Software Engineer
10 27 (5.10%) Python Developer
11 24 (4.54%) Azure Developer
12 20 (3.78%) Software Developer
13 19 (3.59%) C# Developer
14 13 (2.46%) Azure Architect
14 13 (2.46%) Data Engineer
14 13 (2.46%) Integration Developer
15 12 (2.27%) Ruby Developer
16 11 (2.08%) Backend Developer
17 9 (1.70%) AWS Engineer
17 9 (1.70%) React Developer
Libraries, Frameworks & Software Standards
1 137 (25.90%) REST
2 135 (25.52%) RESTful
3 127 (24.01%) .NET
4 75 (14.18%) Spring
5 73 (13.80%) React
6 70 (13.23%) Spring Boot
7 64 (12.10%) HTML
8 62 (11.72%) Node.js
9 57 (10.78%) .NET Core
10 54 (10.21%) JSON
11 53 (10.02%) .NET Framework
12 44 (8.32%) CSS
13 42 (7.94%) Kafka
14 41 (7.75%) ASP.NET
15 36 (6.81%) Entity Framework
15 36 (6.81%) Swagger
16 35 (6.62%) AngularJS
17 33 (6.24%) SOAP
18 31 (5.86%) Middleware
19 30 (5.67%) Web Services
Miscellaneous
1 55 (10.40%) Data Structures
2 54 (10.21%) Algorithms
3 39 (7.37%) Derivative
4 38 (7.18%) Foreign Exchange (FX)
5 21 (3.97%) Hedge funds
6 19 (3.59%) Self-Motivation
7 16 (3.02%) User Experience
8 13 (2.46%) Cloud Native
8 13 (2.46%) Mobile App
9 12 (2.27%) Greenfield Project
10 10 (1.89%) Client/Server
10 10 (1.89%) Legacy Systems
11 8 (1.51%) iPad
12 7 (1.32%) Data Protection Act
13 5 (0.95%) Analytical Mindset
13 5 (0.95%) iPhone
13 5 (0.95%) Legacy Code
13 5 (0.95%) Linux Command Line
13 5 (0.95%) PKI
13 5 (0.95%) Virtual Team
Operating Systems
1 41 (7.75%) Linux
2 10 (1.89%) Unix
3 9 (1.70%) Apple iOS
4 7 (1.32%) Windows
5 5 (0.95%) Mac OS X
6 4 (0.76%) Android
6 4 (0.76%) Red Hat Enterprise Linux
6 4 (0.76%) Solaris
7 2 (0.38%) VMS
8 1 (0.19%) Mac OS
Processes & Methodologies
1 277 (52.36%) Agile Software Development
2 166 (31.38%) CI/CD
3 147 (27.79%) DevOps
4 130 (24.57%) Microservices
5 107 (20.23%) Scrum
6 97 (18.34%) Software Engineering
7 80 (15.12%) Test Automation
8 79 (14.93%) API Design
9 77 (14.56%) TDD
10 72 (13.61%) OO
11 63 (11.91%) Full Stack Development
12 60 (11.34%) Multithreading
13 55 (10.40%) Problem-Solving
14 46 (8.70%) SDLC
15 45 (8.51%) Performance Tuning
16 43 (8.13%) OOD
17 38 (7.18%) Analytics
17 38 (7.18%) SOLID
18 35 (6.62%) Computer Science
18 35 (6.62%) Unit Testing
Programming Languages
1 169 (31.95%) Java
2 145 (27.41%) JavaScript
3 143 (27.03%) SQL
4 115 (21.74%) C#
5 101 (19.09%) Python
6 72 (13.61%) TypeScript
7 60 (11.34%) Java 8
8 34 (6.43%) Go
9 23 (4.35%) Shell Script
10 19 (3.59%) PL/SQL
10 19 (3.59%) Ruby
11 18 (3.40%) PHP
12 16 (3.02%) Scala
13 10 (1.89%) C++
13 10 (1.89%) Kotlin
14 9 (1.70%) Apple Swift
14 9 (1.70%) C
15 8 (1.51%) Java 11
15 8 (1.51%) T-SQL
16 7 (1.32%) Apex Code
Qualifications
1 37 (6.99%) Degree
2 23 (4.35%) Security Cleared
3 22 (4.16%) SC Cleared
4 21 (3.97%) Computer Science Degree
5 8 (1.51%) Master's Degree
6 5 (0.95%) BPSS Clearance
7 1 (0.19%) AWS Certification
7 1 (0.19%) CCNA
7 1 (0.19%) CCNP
7 1 (0.19%) Cisco Certification
7 1 (0.19%) Sun Certification
Quality Assurance & Compliance
1 23 (4.35%) GDPR
2 11 (2.08%) Accessibility
3 5 (0.95%) QA
4 3 (0.57%) PCI DSS
5 2 (0.38%) PMO
6 1 (0.19%) ISO 9001
6 1 (0.19%) PSD2
System Software
1 78 (14.74%) Docker
2 3 (0.57%) Varnish
3 1 (0.19%) KVM
3 1 (0.19%) VMware Infrastructure
Systems Management
1 88 (16.64%) Kubernetes
2 64 (12.10%) Terraform
3 26 (4.91%) Ansible
4 8 (1.51%) Kibana
5 6 (1.13%) Opscode Chef
6 4 (0.76%) CA Wily
6 4 (0.76%) Grafana
6 4 (0.76%) Prometheus
7 3 (0.57%) HP Fortify
7 3 (0.57%) Kubeflow
8 2 (0.38%) Puppet
9 1 (0.19%) Hadoop YARN
9 1 (0.19%) Rancher
Vendors
1 65 (12.29%) Microsoft
2 34 (6.43%) Oracle
3 32 (6.05%) MuleSoft
4 27 (5.10%) Salesforce.com
5 19 (3.59%) Google
6 16 (3.02%) Databricks
7 15 (2.84%) SAP
8 8 (1.51%) AppDynamics
8 8 (1.51%) Splunk
9 6 (1.13%) Atlassian
9 6 (1.13%) Workday
10 5 (0.95%) Alteryx
10 5 (0.95%) Apple
10 5 (0.95%) ServiceNow
10 5 (0.95%) Sybase
10 5 (0.95%) webMethods
11 4 (0.76%) Blackboard
11 4 (0.76%) Remedy
11 4 (0.76%) Software AG
11 4 (0.76%) Telerik