Period
to 21 June 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 21 June 2018 with a comparison to the same period in the previous 2 years.

API Design
UK
6 months to
21 Jun 2018
Same period 2017 Same period 2016
Rank 639 791 935
Rank change year-on-year +152 +144 +64
Permanent jobs citing API Design 626 419 345
As % of all permanent IT jobs advertised in the UK 0.36% 0.24% 0.17%
As % of the Processes & Methodologies category 0.40% 0.27% 0.19%
Number of salaries quoted 505 343 299
UK median annual salary £62,500 £55,000 £55,000
Median salary % change year-on-year +13.64% - +4.76%
10th Percentile £35,200 £35,000 £37,500
90th Percentile £90,000 £76,250 £82,500
UK excluding London median annual salary £45,000 £47,500 £45,000
% change year-on-year -5.26% +5.56% +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 156,599 156,360 180,940
As % of all permanent IT jobs advertised in the UK 90.77% 90.62% 89.97%
Number of salaries quoted 125,830 127,318 150,486
UK median annual salary £50,000 £48,000 £47,500
Median salary % change year-on-year +4.17% +1.05% +2.15%
10th Percentile £29,000 £28,000 £27,500
90th Percentile £82,500 £78,750 £77,500
UK excluding London median annual salary £45,000 £42,500 £42,500
% change year-on-year +5.88% - +2.41%

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 21 June 2018.

Salary histogram for API Design in the UK

API Design
Top 15 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 21 June 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 +125 587 £65,000 +18.18% 116
London +72 368 £72,500 +20.83% 70
UK excluding London +78 232 £45,000 -5.26% 50
South East +53 88 £45,000 -10.00% 13
North of England +12 50 £45,000 +20.00% 15
Midlands +28 30 £47,500 - 8
North West +12 30 £45,000 +33.33% 4
East of England +8 26 £55,000 +15.79% 5
South West +6 25 £47,500 -4.04% 5
East Midlands +25 23 £47,500 +2.70% 4
West Midlands +8 13 £37,500 -21.05% 4
Scotland -24 12 £35,000 -30.00% 4
North East -16 11 £40,000 -3.03% 5
Yorkshire -6 9 £45,000 -5.26% 6
Wales +9 1 - -

For the 6 months to 21 June 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.

1 272 (43.45%) JavaScript
2 239 (38.18%) Agile Software Development
3 229 (36.58%) Amazon AWS
4 227 (36.26%) Java
5 219 (34.98%) Git (software)
6 216 (34.50%) Linux
7 212 (33.87%) SQL
8 206 (32.91%) Finance
9 203 (32.43%) Node.js
10 202 (32.27%) MySQL
11 196 (31.31%) NoSQL
12 190 (30.35%) HTML
13 187 (29.87%) RESTful
14 182 (29.07%) .NET
15 177 (28.27%) Microservices
16 175 (27.96%) Test Automation
17 173 (27.64%) C#
18 172 (27.48%) CSS
19 160 (25.56%) API Development
20 159 (25.40%) TDD
21 153 (24.44%) Microsoft Azure
22 145 (23.16%) Docker
23 144 (23.00%) PostgreSQL
24 139 (22.20%) Python
25 130 (20.77%) Software Engineering
26 127 (20.29%) Redis
27 120 (19.17%) SOA
28 117 (18.69%) Front End Development
29 112 (17.89%) GitHub
30 111 (17.73%) AngularJS

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 79 (12.62%) Ethereum
2 41 (6.55%) Elasticsearch
3 37 (5.91%) Confluence
4 25 (3.99%) Apache
5 20 (3.19%) JBoss
6 19 (3.04%) Apache Pig
7 14 (2.24%) Tomcat
8 11 (1.76%) Apache Spark
8 11 (1.76%) Oracle SOA Suite
9 10 (1.60%) IIS
9 10 (1.60%) WebLogic
9 10 (1.60%) WebSphere
10 9 (1.44%) CMS
11 7 (1.12%) Oracle Application Server
11 7 (1.12%) SharePoint
11 7 (1.12%) WebSphere Application Server
12 6 (0.96%) Anypoint
12 6 (0.96%) MS Project Server
13 5 (0.80%) Mule
13 5 (0.80%) Umbraco
Applications
1 8 (1.28%) Photoshop
2 4 (0.64%) Adobe Illustrator
3 1 (0.16%) Microsoft Excel
3 1 (0.16%) Microsoft Office
Business Applications
1 56 (8.95%) Distributed Ledger
2 8 (1.28%) Ripple
3 3 (0.48%) Payment Gateway
4 2 (0.32%) Sage 200
5 1 (0.16%) Magento
5 1 (0.16%) NetSuite
5 1 (0.16%) Oracle Cash Management
5 1 (0.16%) Shopify
Cloud Services
1 229 (36.58%) Amazon AWS
2 153 (24.44%) Microsoft Azure
3 112 (17.89%) GitHub
4 89 (14.22%) Cloud Computing
5 56 (8.95%) Amazon EC2
6 53 (8.47%) Amazon S3
7 47 (7.51%) SaaS
8 36 (5.75%) Google Cloud Platform
9 18 (2.88%) PaaS
9 18 (2.88%) Serverless
10 17 (2.72%) NuGet
11 13 (2.08%) OpenShift
12 11 (1.76%) AWS Lambda
13 4 (0.64%) Firebase
13 4 (0.64%) Heroku
13 4 (0.64%) Slack
14 3 (0.48%) npm
15 2 (0.32%) AWS CloudFormation
15 2 (0.32%) Boomi
15 2 (0.32%) IaaS
Communications & Networking
1 88 (14.06%) HTTP
2 21 (3.35%) SSL
3 20 (3.19%) TCP/IP
4 19 (3.04%) Firewall
5 5 (0.80%) Internet
6 3 (0.48%) DNS
6 3 (0.48%) PPP
6 3 (0.48%) SMS
7 2 (0.32%) DHCP
7 2 (0.32%) IPv4
8 1 (0.16%) ATM
8 1 (0.16%) DSL
8 1 (0.16%) Ethernet
8 1 (0.16%) Network Security
Database & Business Intelligence
1 202 (32.27%) MySQL
2 196 (31.31%) NoSQL
3 144 (23.00%) PostgreSQL
4 127 (20.29%) Redis
5 100 (15.97%) Blockchain
6 96 (15.34%) SQL Server
7 71 (11.34%) Big Data
7 71 (11.34%) Relational Database
8 63 (10.06%) MongoDB
9 43 (6.87%) Amazon DynamoDB
10 36 (5.75%) Apache Cassandra
11 32 (5.11%) RDBMS
12 29 (4.63%) Hadoop
13 22 (3.51%) Azure SQL Database
14 19 (3.04%) Apache Hive
15 16 (2.56%) CouchDB
16 13 (2.08%) CockroachDB
16 13 (2.08%) Cosmos DB
17 11 (1.76%) SQL Server 2008
17 11 (1.76%) SQL Server Reporting Services
Development Applications
1 219 (34.98%) Git (software)
2 68 (10.86%) Mocha
3 67 (10.70%) Bitbucket
4 66 (10.54%) JIRA
5 64 (10.22%) Jenkins
6 42 (6.71%) Octopus Deploy
7 39 (6.23%) Atlassian Bamboo
8 32 (5.11%) Selenium
9 27 (4.31%) TeamCity
10 19 (3.04%) CodeSonar
10 19 (3.04%) git-flow
10 19 (3.04%) Robot Framework
11 18 (2.88%) Jasmine
12 16 (2.56%) Cucumber
12 16 (2.56%) Vagrant
13 13 (2.08%) Ant
13 13 (2.08%) Maven
13 13 (2.08%) NUnit
14 11 (1.76%) IntelliJ
14 11 (1.76%) JUnit
General
1 206 (32.91%) Finance
2 88 (14.06%) Banking
2 88 (14.06%) Telecoms
3 30 (4.79%) Marketing
4 15 (2.40%) Retail
5 14 (2.24%) Manufacturing
6 13 (2.08%) Law
7 12 (1.92%) Electronics
8 11 (1.76%) Games
9 10 (1.60%) Advertising
9 10 (1.60%) Automotive
10 8 (1.28%) Financial Institution
11 6 (0.96%) Front Office
12 4 (0.64%) Legal
13 2 (0.32%) iGaming
13 2 (0.32%) Multimedia
14 1 (0.16%) Back Office
14 1 (0.16%) German Language
Job Titles
1 430 (68.69%) Developer
2 136 (21.73%) Senior Developer
3 111 (17.73%) .NET Developer
4 89 (14.22%) C# Developer
5 87 (13.90%) C# .NET Developer
6 85 (13.58%) Java Developer
7 77 (12.30%) Backend Developer
7 77 (12.30%) Node.js Developer
8 64 (10.22%) Blockchain Developer
9 63 (10.06%) Architect
9 63 (10.06%) JavaScript Developer
10 50 (7.99%) Software Engineer
11 49 (7.83%) Software Developer
12 36 (5.75%) Senior .NET Developer
13 34 (5.43%) Java Engineer
14 31 (4.95%) Python Developer
15 30 (4.79%) Senior C# .NET Developer
15 30 (4.79%) Senior C# Developer
16 29 (4.63%) Lead Developer
17 28 (4.47%) Senior Backend Developer
Libraries, Frameworks & Software Standards
1 203 (32.43%) Node.js
2 190 (30.35%) HTML
3 187 (29.87%) RESTful
4 182 (29.07%) .NET
5 172 (27.48%) CSS
6 111 (17.73%) AngularJS
7 105 (16.77%) REST
8 90 (14.38%) .NET Framework
9 89 (14.22%) Smart Contracts
10 82 (13.10%) Web Services
11 73 (11.66%) HTML5
12 72 (11.50%) ASP.NET
13 67 (10.70%) Spring
14 65 (10.38%) Truffle
14 65 (10.38%) web3js
15 63 (10.06%) jQuery
15 63 (10.06%) JSON
15 63 (10.06%) React
16 62 (9.90%) XML
17 60 (9.58%) Jest
Miscellaneous
1 76 (12.14%) Fintech
2 74 (11.82%) Bitcoin
3 53 (8.47%) Computer Science
4 44 (7.03%) User Experience
5 31 (4.95%) Greenfield Project
6 28 (4.47%) Enterprise Software
7 24 (3.83%) Analytical Skills
7 24 (3.83%) Mobile App
8 17 (2.72%) Self-Motivation
9 14 (2.24%) Algorithms
9 14 (2.24%) Linux Command Line
10 13 (2.08%) Public Cloud
11 12 (1.92%) Cloud Native
12 11 (1.76%) Blog
13 7 (1.12%) Data Structures
13 7 (1.12%) Private Cloud
13 7 (1.12%) Virtual Team
13 7 (1.12%) W3C
14 6 (0.96%) Derivative
14 6 (0.96%) Fixed Income
Operating Systems
1 216 (34.50%) Linux
2 51 (8.15%) VMS
3 50 (7.99%) Android
4 48 (7.67%) Apple iOS
5 46 (7.35%) Windows
6 21 (3.35%) Mac OS X
6 21 (3.35%) Unix
7 7 (1.12%) Amazon Linux
7 7 (1.12%) Red Hat Enterprise Linux
7 7 (1.12%) Solaris
8 5 (0.80%) Mac OS
9 3 (0.48%) Ubuntu
10 2 (0.32%) Debian
11 1 (0.16%) CoreOS
11 1 (0.16%) Windows Server
Processes & Methodologies
1 239 (38.18%) Agile Software Development
2 177 (28.27%) Microservices
3 175 (27.96%) Test Automation
4 160 (25.56%) API Development
5 159 (25.40%) TDD
6 130 (20.77%) Software Engineering
7 120 (19.17%) SOA
8 117 (18.69%) Front End Development
9 102 (16.29%) Continuous Integration
10 98 (15.65%) Scrum
11 85 (13.58%) Problem-Solving
12 63 (10.06%) Data Security
12 63 (10.06%) Identity Management
12 63 (10.06%) KYC
13 60 (9.58%) Domain-Driven Design
14 55 (8.79%) Web Development
15 54 (8.63%) MVC
16 52 (8.31%) Unit Testing
17 49 (7.83%) Machine Learning
18 48 (7.67%) DevOps
Programming Languages
1 272 (43.45%) JavaScript
2 227 (36.26%) Java
3 212 (33.87%) SQL
4 173 (27.64%) C#
5 139 (22.20%) Python
6 88 (14.06%) ES6
7 75 (11.98%) C++
8 69 (11.02%) Solidity
9 62 (9.90%) Bash Shell
10 61 (9.74%) PowerShell
11 57 (9.11%) C
12 56 (8.95%) PHP
13 53 (8.47%) Go
14 50 (7.99%) Scala
15 35 (5.59%) TypeScript
16 29 (4.63%) Objective-C
17 25 (3.99%) Java 8
18 23 (3.67%) T-SQL
19 19 (3.04%) Ruby
20 14 (2.24%) Korn
Qualifications
1 85 (13.58%) Degree
2 37 (5.91%) Computer Science Degree
3 24 (3.83%) Microsoft Certification
4 18 (2.88%) CCNA
4 18 (2.88%) Cisco Certification
4 18 (2.88%) CISSP
4 18 (2.88%) CompTIA Security+
4 18 (2.88%) GIAC
4 18 (2.88%) Linux+ Certification
4 18 (2.88%) MCSE
4 18 (2.88%) Network+ Certification
4 18 (2.88%) SANS
4 18 (2.88%) SSCP
5 16 (2.56%) DV Cleared
5 16 (2.56%) Security Cleared
6 7 (1.12%) Master's Degree
7 6 (0.96%) MCP
7 6 (0.96%) Sun Certification
8 4 (0.64%) PhD
9 2 (0.32%) A+ Certification
Quality Assurance & Compliance
1 35 (5.59%) QA
2 7 (1.12%) GDPR
3 4 (0.64%) GCP
4 3 (0.48%) Data Quality
System Software
1 145 (23.16%) Docker
2 67 (10.70%) Virtual Machines
3 26 (4.15%) vSphere
4 9 (1.44%) iptables
5 7 (1.12%) VMware ESXi
5 7 (1.12%) VMware Infrastructure
5 7 (1.12%) VMware Server
6 4 (0.64%) Firmware
Systems Management
1 96 (15.34%) Kubernetes
2 51 (8.15%) Docker Swarm
3 34 (5.43%) Puppet
4 29 (4.63%) Ansible
5 20 (3.19%) Salt
6 16 (2.56%) Packer
7 13 (2.08%) Terraform
8 11 (1.76%) Opscode Chef
9 4 (0.64%) Consul
10 3 (0.48%) CloudHub
11 1 (0.16%) rkt
11 1 (0.16%) ZABBIX
Vendors
1 65 (10.38%) Microsoft
2 39 (6.23%) Google
2 39 (6.23%) Oracle
3 18 (2.88%) Atlassian
4 15 (2.40%) SAP
5 13 (2.08%) TIBCO
6 12 (1.92%) Applogic
6 12 (1.92%) WSO2
7 11 (1.76%) Apigee
7 11 (1.76%) CA
7 11 (1.76%) Zend
8 10 (1.60%) IBM
8 10 (1.60%) Red Hat
8 10 (1.60%) WorldPay
9 9 (1.44%) MuleSoft
9 9 (1.44%) Salesforce.com
9 9 (1.44%) Sybase
10 8 (1.28%) Twitter
11 7 (1.12%) Fiorano
11 7 (1.12%) VMware