Period
to 20 April 2018

The following table provides summary statistics for permanent job vacancies with a requirement for API Design skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited API Design over the 6 months to 20 April 2018 with a comparison to the same period in the previous 2 years.

API Design
UK
6 months to
20 Apr 2018
Same period 2017 Same period 2016
Rank 660 732 957
Rank change year-on-year +72 +225 +93
Permanent jobs citing API Design 617 472 332
As % of all permanent IT jobs advertised in the UK 0.35% 0.27% 0.16%
As % of the Processes & Methodologies category 0.38% 0.30% 0.18%
Number of salaries quoted 498 394 285
UK median annual salary £65,000 £57,500 £55,000
Median salary % change year-on-year +13.04% +4.55% +10.00%
10th Percentile £36,250 £36,975 £37,500
90th Percentile £90,000 £75,000 £86,250
UK excluding London median annual salary £45,000 £50,000 £45,000
% change year-on-year -10.00% +11.11% +5.88%

API Design is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for process or methodology skills.

All Process and Methodology Skills
UK
Permanent vacancies with a requirement for process or methodology skills 161,231 156,030 184,053
As % of all permanent IT jobs advertised in the UK 90.84% 90.43% 89.94%
Number of salaries quoted 130,643 128,474 152,913
UK median annual salary £50,000 £47,500 £47,500
Median salary % change year-on-year +5.26% - +5.56%
10th Percentile £29,128 £27,854 £27,500
90th Percentile £81,250 £78,750 £77,500
UK excluding London median annual salary £45,000 £42,500 £42,500
% change year-on-year +5.88% - +6.25%

API Design
Job Vacancy Trend

Job postings citing API Design as a percentage of all IT jobs advertised.

Job vacancy trend for API Design in the UK

API Design
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing API Design.

Salary trend for API Design in the UK

API Design
Salary Histogram

The salary distribution of IT jobs citing API Design over the 6 months to 20 April 2018.

Salary histogram for API Design in the UK

API Design
Top 14 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing API Design within the UK over the 6 months to 20 April 2018. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +75 585 £65,000 +13.04% 100
London +68 389 £70,000 +16.67% 55
UK excluding London +10 211 £45,000 -10.00% 51
South East +36 75 £45,000 -10.00% 15
North of England -14 46 £40,000 -8.57% 18
East of England -5 30 £60,000 +9.09% 4
South West +4 26 £48,750 -13.33% 1
North West -3 23 £40,000 +6.67% 7
Midlands -13 19 £47,500 -9.33% 7
North East -12 17 £40,000 - 3
Scotland -31 15 £36,500 -27.00% 5
East Midlands +11 12 £47,500 +58.33% 2
West Midlands -29 7 £40,000 -23.65% 5
Yorkshire -12 6 £30,000 -47.83% 8

For the 6 months to 20 April 2018, IT jobs citing API Design also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads with a requirement for API Design.

1 292 (47.33%) Agile Software Development
2 270 (43.76%) JavaScript
3 217 (35.17%) Git (software)
4 211 (34.20%) HTML
4 211 (34.20%) Java
5 201 (32.58%) CSS
6 200 (32.41%) Amazon AWS
7 197 (31.93%) Finance
8 196 (31.77%) Linux
9 181 (29.34%) SQL
10 179 (29.01%) TDD
10 179 (29.01%) RESTful
10 179 (29.01%) Node.js
11 162 (26.26%) NoSQL
11 162 (26.26%) MySQL
12 161 (26.09%) .NET
12 161 (26.09%) SOA
13 159 (25.77%) Microservices
14 158 (25.61%) C#
15 144 (23.34%) Microsoft Azure
16 142 (23.01%) AngularJS
16 142 (23.01%) API Development
17 140 (22.69%) Test Automation
18 124 (20.10%) REST
19 121 (19.61%) PostgreSQL
20 119 (19.29%) Python
21 115 (18.64%) Docker
22 114 (18.48%) HTML5
23 104 (16.86%) Scrum
24 103 (16.69%) Redis

API Design
Co-occurring IT Skills 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 55 (8.91%) Ethereum
2 36 (5.83%) Elasticsearch
3 27 (4.38%) Confluence
4 26 (4.21%) Oracle SOA Suite
5 25 (4.05%) JBoss
6 18 (2.92%) Apache
7 16 (2.59%) SharePoint
8 15 (2.43%) Tomcat
9 12 (1.94%) WebLogic
9 12 (1.94%) WebSphere
10 11 (1.78%) Apache Pig
11 8 (1.30%) Anypoint
11 8 (1.30%) IIS
12 7 (1.13%) Mule
12 7 (1.13%) Oracle Application Server
12 7 (1.13%) WebSphere Application Server
13 6 (0.97%) Apache Spark
13 6 (0.97%) CloudStack
13 6 (0.97%) MS Project Server
13 6 (0.97%) nginx
Applications
1 7 (1.13%) Photoshop
2 4 (0.65%) Adobe Illustrator
3 1 (0.16%) Microsoft Excel
3 1 (0.16%) Microsoft Office
Business Applications
1 49 (7.94%) Distributed Ledger
2 3 (0.49%) Ripple
3 1 (0.16%) Magento
3 1 (0.16%) NetSuite
3 1 (0.16%) Oracle Cash Management
3 1 (0.16%) Shopify
Cloud Services
1 200 (32.41%) Amazon AWS
2 144 (23.34%) Microsoft Azure
3 97 (15.72%) GitHub
4 63 (10.21%) Cloud Computing
5 45 (7.29%) Google Cloud Platform
6 44 (7.13%) Amazon EC2
7 40 (6.48%) Amazon S3
8 32 (5.19%) SaaS
9 20 (3.24%) OpenShift
10 15 (2.43%) PaaS
11 11 (1.78%) NuGet
12 9 (1.46%) Office 365
13 6 (0.97%) Heroku
14 5 (0.81%) Serverless
15 4 (0.65%) AWS Lambda
15 4 (0.65%) Azure Active Directory
15 4 (0.65%) Firebase
16 3 (0.49%) npm
17 2 (0.32%) DigitalOcean
18 1 (0.16%) AWS Elastic Beanstalk
Communications & Networking
1 83 (13.45%) HTTP
2 13 (2.11%) SSL
3 12 (1.94%) TCP/IP
4 11 (1.78%) Firewall
5 5 (0.81%) Internet
6 4 (0.65%) SMS
7 3 (0.49%) DNS
8 2 (0.32%) Bluetooth
8 2 (0.32%) DHCP
8 2 (0.32%) IPv4
9 1 (0.16%) ATM
9 1 (0.16%) DSL
9 1 (0.16%) Ethernet
9 1 (0.16%) Network Security
Database & Business Intelligence
1 162 (26.26%) MySQL
1 162 (26.26%) NoSQL
2 121 (19.61%) PostgreSQL
3 103 (16.69%) Redis
4 70 (11.35%) Blockchain
5 69 (11.18%) SQL Server
6 64 (10.37%) Big Data
7 58 (9.40%) MongoDB
8 55 (8.91%) Relational Database
9 45 (7.29%) Apache Cassandra
10 34 (5.51%) Amazon DynamoDB
11 22 (3.57%) Azure SQL Database
12 19 (3.08%) Hadoop
13 18 (2.92%) CouchDB
14 17 (2.76%) RDBMS
15 16 (2.59%) CockroachDB
16 15 (2.43%) Cosmos DB
17 13 (2.11%) HBase
18 12 (1.94%) SQL Server Reporting Services
19 11 (1.78%) Apache Hive
Development Applications
1 217 (35.17%) Git (software)
2 71 (11.51%) Bitbucket
3 59 (9.56%) Mocha
4 58 (9.40%) Jenkins
5 54 (8.75%) JIRA
6 29 (4.70%) Octopus Deploy
7 26 (4.21%) Atlassian Bamboo
7 26 (4.21%) Selenium
8 23 (3.73%) Maven
9 21 (3.40%) TeamCity
10 18 (2.92%) Jasmine
10 18 (2.92%) Visual Studio
11 15 (2.43%) Subversion
12 14 (2.27%) Ant
13 13 (2.11%) gulp
14 12 (1.94%) NUnit
14 12 (1.94%) SoapUI
15 11 (1.78%) Cucumber
15 11 (1.78%) Gradle
15 11 (1.78%) Robot Framework
General
1 197 (31.93%) Finance
2 67 (10.86%) Banking
3 66 (10.70%) Telecoms
4 22 (3.57%) Marketing
5 19 (3.08%) Games
6 14 (2.27%) Retail
7 13 (2.11%) Legal
7 13 (2.11%) Manufacturing
8 11 (1.78%) Electronics
9 8 (1.30%) Law
10 5 (0.81%) Automotive
11 4 (0.65%) Financial Institution
12 3 (0.49%) Advertising
12 3 (0.49%) Multimedia
13 2 (0.32%) Back Office
13 2 (0.32%) iGaming
13 2 (0.32%) Pharmaceutical
14 1 (0.16%) Front Office
14 1 (0.16%) Investment Banking
Job Titles
1 418 (67.75%) Developer
2 99 (16.05%) .NET Developer
3 94 (15.24%) Senior Developer
4 80 (12.97%) C# .NET Developer
4 80 (12.97%) C# Developer
5 61 (9.89%) Node.js Developer
6 58 (9.40%) Java Developer
7 57 (9.24%) Architect
8 54 (8.75%) JavaScript Developer
9 44 (7.13%) Blockchain Developer
9 44 (7.13%) Software Developer
10 40 (6.48%) Software Engineer
11 34 (5.51%) Python Developer
12 31 (5.02%) Lead Developer
13 30 (4.86%) Java Engineer
14 28 (4.54%) Full Stack Developer
15 27 (4.38%) Front End Developer (Client-Side Developer)
16 23 (3.73%) ASP.NET Developer
16 23 (3.73%) Consultant
16 23 (3.73%) Senior C# .NET Developer
Libraries, Frameworks & Software Standards
1 211 (34.20%) HTML
2 201 (32.58%) CSS
3 179 (29.01%) Node.js
3 179 (29.01%) RESTful
4 161 (26.09%) .NET
5 142 (23.01%) AngularJS
6 124 (20.10%) REST
7 114 (18.48%) HTML5
8 90 (14.59%) Web Services
9 84 (13.61%) jQuery
10 81 (13.13%) JSON
11 74 (11.99%) CSS3
12 65 (10.53%) React
12 65 (10.53%) XML
13 64 (10.37%) Smart Contracts
13 64 (10.37%) Spring
14 63 (10.21%) ASP.NET
15 58 (9.40%) .NET Framework
16 48 (7.78%) Truffle
16 48 (7.78%) web3js
Miscellaneous
1 75 (12.16%) Fintech
2 64 (10.37%) User Experience
3 54 (8.75%) Computer Science
4 52 (8.43%) Bitcoin
5 38 (6.16%) Enterprise Software
6 33 (5.35%) Greenfield Project
7 31 (5.02%) Mobile App
8 26 (4.21%) Analytical Skills
9 19 (3.08%) Blog
10 17 (2.76%) W3C
11 15 (2.43%) Self-Motivation
12 14 (2.27%) Private Cloud
12 14 (2.27%) Public Cloud
13 13 (2.11%) Linux Command Line
13 13 (2.11%) Virtual Team
14 10 (1.62%) Algorithms
15 9 (1.46%) Smartphone
16 6 (0.97%) Mashup
17 5 (0.81%) Data Centre
17 5 (0.81%) Hedge funds
Operating Systems
1 196 (31.77%) Linux
2 62 (10.05%) Apple iOS
2 62 (10.05%) Windows
3 57 (9.24%) Android
4 40 (6.48%) VMS
5 33 (5.35%) Unix
6 13 (2.11%) Mac OS X
7 8 (1.30%) Mac OS
7 8 (1.30%) Red Hat Enterprise Linux
8 7 (1.13%) Amazon Linux
8 7 (1.13%) Solaris
9 3 (0.49%) Ubuntu
9 3 (0.49%) Windows Phone
10 2 (0.32%) Debian
Processes & Methodologies
1 292 (47.33%) Agile Software Development
2 179 (29.01%) TDD
3 161 (26.09%) SOA
4 159 (25.77%) Microservices
5 142 (23.01%) API Development
6 140 (22.69%) Test Automation
7 104 (16.86%) Scrum
8 102 (16.53%) Front End Development
9 101 (16.37%) Continuous Integration
10 100 (16.21%) Software Engineering
11 84 (13.61%) Problem-Solving
12 63 (10.21%) DevOps
13 61 (9.89%) Machine Learning
14 60 (9.72%) OO
15 59 (9.56%) Web Development
16 54 (8.75%) MVC
17 51 (8.27%) Data Security
17 51 (8.27%) Identity Management
17 51 (8.27%) KYC
18 48 (7.78%) Continuous Improvement
Programming Languages
1 270 (43.76%) JavaScript
2 211 (34.20%) Java
3 181 (29.34%) SQL
4 158 (25.61%) C#
5 119 (19.29%) Python
6 72 (11.67%) C++
7 71 (11.51%) ES6
8 52 (8.43%) PowerShell
9 50 (8.10%) Solidity
10 49 (7.94%) C
11 48 (7.78%) PHP
12 47 (7.62%) Bash Shell
13 45 (7.29%) Go
14 43 (6.97%) Scala
15 24 (3.89%) TypeScript
16 23 (3.73%) Objective-C
17 17 (2.76%) Java 8
17 17 (2.76%) Korn
18 14 (2.27%) T-SQL
19 13 (2.11%) Groovy
Qualifications
1 92 (14.91%) Degree
2 31 (5.02%) Computer Science Degree
3 15 (2.43%) Master's Degree
3 15 (2.43%) Microsoft Certification
4 9 (1.46%) CCNA
4 9 (1.46%) Cisco Certification
4 9 (1.46%) CISSP
4 9 (1.46%) CompTIA Security+
4 9 (1.46%) GIAC
4 9 (1.46%) Linux+ Certification
4 9 (1.46%) MCSE
4 9 (1.46%) Network+ Certification
4 9 (1.46%) SANS
4 9 (1.46%) SSCP
5 7 (1.13%) Sun Certification
6 6 (0.97%) MCP
7 5 (0.81%) DBS Check
8 2 (0.32%) A+ Certification
8 2 (0.32%) DV Cleared
8 2 (0.32%) Security Cleared
Quality Assurance & Compliance
1 41 (6.65%) QA
2 5 (0.81%) GDPR
3 3 (0.49%) GCP
4 2 (0.32%) Data Quality
System Software
1 115 (18.64%) Docker
2 49 (7.94%) Virtual Machines
3 18 (2.92%) vSphere
4 9 (1.46%) iptables
5 7 (1.13%) VMware ESXi
5 7 (1.13%) VMware Infrastructure
5 7 (1.13%) VMware Server
6 6 (0.97%) Firmware
7 4 (0.65%) Active Directory
Systems Management
1 72 (11.67%) Kubernetes
2 38 (6.16%) Docker Swarm
3 28 (4.54%) Puppet
4 23 (3.73%) Ansible
5 11 (1.78%) Salt
6 9 (1.46%) Packer
6 9 (1.46%) Single Sign-On
7 6 (0.97%) Opscode Chef
8 3 (0.49%) CloudHub
9 2 (0.32%) Terraform
10 1 (0.16%) Consul
10 1 (0.16%) ZABBIX
Vendors
1 44 (7.13%) Google
1 44 (7.13%) Oracle
2 43 (6.97%) Microsoft
3 18 (2.92%) Apigee
4 17 (2.76%) MuleSoft
5 16 (2.59%) Twitter
6 15 (2.43%) WorldPay
7 14 (2.27%) Atlassian
7 14 (2.27%) IBM
8 13 (2.11%) SAP
8 13 (2.11%) TIBCO
9 11 (1.78%) CA
10 10 (1.62%) Red Hat
11 9 (1.46%) WSO2
11 9 (1.46%) Zend
12 8 (1.30%) Salesforce.com
13 7 (1.13%) Fiorano
13 7 (1.13%) Sun
13 7 (1.13%) Sybase
13 7 (1.13%) VMware