Period
to 12 December 2017

The following table provides summary statistics for contract job vacancies advertised in the West Midlands with a requirement for API Design skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited API Design over the 6 months to 12 December 2017 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 Design
England > West Midlands
6 months to
12 Dec 2017
Same period 2016 Same period 2015
Rank 178 201 -
Rank change year-on-year +23 - -
Contract jobs citing API Design 13 8 0
As % of all contract IT jobs advertised in the West Midlands 0.26% 0.13% -
As % of the Processes & Methodologies category 0.32% 0.16% -
Number of daily rates quoted 10 5 0
West Midlands median daily rate £580 £500 -
Median daily rate % change year-on-year +16.00% - -
England median daily rate £525 £450 £450
% change year-on-year +16.67% - -18.18%
Number of hourly rates quoted 0 0 0
West Midlands median hourly rate - - -
England median hourly rate - - -

API Design 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 West Midlands with a requirement for process or methodology skills.

All Process and Methodology Skills
West Midlands
Contract vacancies with a requirement for process or methodology skills 4070 4950 3994
As % of all contract IT jobs advertised in the West Midlands 82.88% 82.83% 79.72%
Number of daily rates quoted 2612 2970 2264
West Midlands median daily rate £400 £400 £375
Median daily rate % change year-on-year - +6.67% +6.99%
10th Percentile £244 £250 £241
90th Percentile £550 £550 £540
England median daily rate £450 £430 £425
% change year-on-year +4.65% +1.18% +6.25%
Number of hourly rates quoted 140 134 179
West Midlands median hourly rate £25.00 £19.43 £20.00
Median hourly rate % change year-on-year +28.67% -2.85% -
10th Percentile £11.62 £10.91 £11.00
90th Percentile £48.88 £41.67 £43.75
England median hourly rate £25.00 £24.36 £22.00
% change year-on-year +2.65% +10.70% +15.79%

API Design
Job Vacancy Trend in the West Midlands

Job postings citing API Design as a percentage of all IT jobs advertised in the West Midlands.

Job vacancy trend for API Design in the West Midlands

API Design
Contractor Daily Rate Trend in the West Midlands

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing API Design in the West Midlands.

Contractor daily rate trend for API Design in the West Midlands

API Design
Contractor Daily Rate Histogram in the West Midlands

The daily rate distribution of IT jobs citing API Design in the West Midlands over the 6 months to 12 December 2017.

Contractor daily rate histogram for API Design in the West Midlands

API Design
Contract Job Locations in the West Midlands

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing API Design within the West Midlands region over the 6 months to 12 December 2017. 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
Walsall - 5 £580 -
Shropshire +21 4 £575 +4.55% 2
Birmingham 0 3 £550 +57.14%
API Design
England

For the 6 months to 12 December 2017, IT contractor jobs citing API Design also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the West Midlands region with a requirement for API Design.

1 10 (76.92%) Spring
1 10 (76.92%) PaaS
1 10 (76.92%) SOAP
1 10 (76.92%) Java
1 10 (76.92%) REST
1 10 (76.92%) Microservices
1 10 (76.92%) Spring Boot
2 8 (61.54%) Kubernetes
2 8 (61.54%) API Development
2 8 (61.54%) API Integration
2 8 (61.54%) Cloud Foundry
2 8 (61.54%) Docker
2 8 (61.54%) Heroku
2 8 (61.54%) Salesforce.com
2 8 (61.54%) Microsoft Azure
2 8 (61.54%) Amazon AWS
2 8 (61.54%) Enterprise Architecture
2 8 (61.54%) Billing
3 7 (53.85%) Puppet
3 7 (53.85%) Opscode Chef
3 7 (53.85%) Ansible
4 5 (38.46%) DevOps
4 5 (38.46%) IaaS
4 5 (38.46%) SaaS
4 5 (38.46%) Continuous Integration
4 5 (38.46%) Linux
5 4 (30.77%) Middleware
5 4 (30.77%) Agile Software Development
6 3 (23.08%) TDD
6 3 (23.08%) Scrum

API Design
Co-occurring IT Skills in the West Midlands 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 8 (61.54%) Cloud Foundry
2 3 (23.08%) Mule
2 3 (23.08%) WebLogic
3 2 (15.38%) JBoss
4 1 (7.69%) Confluence
Cloud Services
1 10 (76.92%) PaaS
2 8 (61.54%) Amazon AWS
2 8 (61.54%) Heroku
2 8 (61.54%) Microsoft Azure
3 5 (38.46%) IaaS
3 5 (38.46%) SaaS
4 3 (23.08%) GitHub
4 3 (23.08%) OpenShift
Communications & Networking
1 2 (15.38%) HTTP
1 2 (15.38%) SSL
1 2 (15.38%) TCP/IP
Database & Business Intelligence
1 2 (15.38%) NoSQL
1 2 (15.38%) RDBMS
1 2 (15.38%) Relational Database
Development Applications
1 3 (23.08%) Bitbucket
1 3 (23.08%) GitLab
2 2 (15.38%) Jenkins
2 2 (15.38%) Maven
3 1 (7.69%) JIRA
General
1 8 (61.54%) Billing
2 1 (7.69%) Finance
Job Titles
1 12 (92.31%) Architect
2 3 (23.08%) Java Architect
2 3 (23.08%) Technical Architect
3 2 (15.38%) Middleware Architect
4 1 (7.69%) Data Architect
4 1 (7.69%) Enterprise Architect
4 1 (7.69%) Integration Architect
4 1 (7.69%) Messaging Architect
4 1 (7.69%) Oracle Architect
4 1 (7.69%) Oracle Middleware Architect
4 1 (7.69%) Oracle Technical Architect
4 1 (7.69%) Scrum Master
Libraries, Frameworks & Software Standards
1 10 (76.92%) REST
1 10 (76.92%) SOAP
1 10 (76.92%) Spring
1 10 (76.92%) Spring Boot
2 4 (30.77%) Middleware
3 2 (15.38%) Elastic Stack
3 2 (15.38%) Java EE
3 2 (15.38%) Java SE
3 2 (15.38%) JSON
3 2 (15.38%) JSON Schema
3 2 (15.38%) OAuth
3 2 (15.38%) Web Services
3 2 (15.38%) WSDL
3 2 (15.38%) XML
3 2 (15.38%) XSLT
4 1 (7.69%) Apache Camel
4 1 (7.69%) Oracle Fusion
Miscellaneous
1 2 (15.38%) Enterprise Software
Operating Systems
1 5 (38.46%) Linux
2 2 (15.38%) AIX
2 2 (15.38%) HPUX
2 2 (15.38%) Solaris
2 2 (15.38%) Unix
2 2 (15.38%) Windows
Processes & Methodologies
1 10 (76.92%) Microservices
2 8 (61.54%) API Development
2 8 (61.54%) API Integration
2 8 (61.54%) Enterprise Architecture
3 5 (38.46%) Continuous Integration
3 5 (38.46%) DevOps
4 4 (30.77%) Agile Software Development
5 3 (23.08%) Kanban
5 3 (23.08%) Open Source
5 3 (23.08%) Scrum
5 3 (23.08%) TDD
6 2 (15.38%) Configuration Management
6 2 (15.38%) Continuous Deployment
6 2 (15.38%) Critical Success Factor
6 2 (15.38%) High Availability
6 2 (15.38%) Mentoring
6 2 (15.38%) OO
6 2 (15.38%) Sequence Diagram
6 2 (15.38%) Technical Architecture
6 2 (15.38%) Test Automation
Programming Languages
1 10 (76.92%) Java
2 2 (15.38%) Groovy
2 2 (15.38%) PL/SQL
2 2 (15.38%) SQL
2 2 (15.38%) XPath
Quality Assurance & Compliance
1 1 (7.69%) Data Quality
System Software
1 8 (61.54%) Docker
Systems Management
1 8 (61.54%) Kubernetes
2 7 (53.85%) Ansible
2 7 (53.85%) Opscode Chef
2 7 (53.85%) Puppet
Vendors
1 8 (61.54%) Salesforce.com
2 3 (23.08%) Apigee
2 3 (23.08%) MuleSoft
2 3 (23.08%) Red Hat
2 3 (23.08%) WSO2
3 2 (15.38%) webMethods
4 1 (7.69%) Oracle