Period
to 15 June 2021

The following table provides summary statistics for permanent job vacancies with a requirement for RESTful skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited RESTful over the 6 months to 15 June 2021 with a comparison to the same period in the previous 2 years.

RESTful
UK
6 months to
15 Jun 2021
Same period 2020 Same period 2019
Rank 84 97 85
Rank change year-on-year +13 -12 -17
Permanent jobs citing RESTful 3,680 2,605 5,012
As % of all permanent jobs advertised in the UK 3.64% 3.11% 3.49%
As % of the Libraries, Frameworks & Software Standards category 8.85% 7.82% 9.16%
Number of salaries quoted 2,353 2,132 4,138
10th Percentile £37,500 £35,000 £32,500
25th Percentile £45,000 £42,500 £40,000
Median annual salary (50th Percentile) £55,000 £57,500 £55,000
Median % change year-on-year -4.35% +4.55% +10.00%
75th Percentile £72,500 £72,500 £72,500
90th Percentile £83,500 £85,000 £83,750
UK excluding London median annual salary £52,500 £50,000 £47,500
% change year-on-year +5.00% +5.26% +5.56%

RESTful is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
UK
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 41,597 33,306 54,705
As % of all permanent IT jobs advertised in the UK 41.20% 39.74% 38.08%
Number of salaries quoted 28,948 27,619 45,264
10th Percentile £35,000 £33,750 £31,250
25th Percentile £42,500 £42,055 £38,250
Median annual salary (50th Percentile) £56,000 £55,000 £52,500
Median % change year-on-year +1.82% +4.76% +5.00%
75th Percentile £75,000 £75,000 £71,250
90th Percentile £92,500 £91,250 £85,000
UK excluding London median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +5.56% -

RESTful
Job Vacancy Trend

Job postings citing RESTful as a proportion of all IT jobs advertised.

Job vacancy trend for RESTful in the UK

RESTful
Salary Trend

3-month moving average salary quoted in jobs citing RESTful.

Salary trend for RESTful in the UK

RESTful
Salary Histogram

Salary distribution for jobs citing RESTful over the 6 months to 15 June 2021.

Salary histogram for RESTful in the UK

RESTful
Top 17 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing RESTful within the UK over the 6 months to 15 June 2021. 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 +17 3,323 £57,500 - 697
UK excluding London 0 1,890 £52,500 +5.00% 467
London +25 1,570 £70,000 +3.70% 285
Work from Home +8 900 £55,000 -8.33% 212
South East +22 621 £55,000 -4.35% 98
North of England +2 407 £52,500 +5.00% 145
South West +1 362 £50,000 - 65
North West -16 190 £55,000 +10.00% 87
Midlands -13 185 £51,250 +7.89% 64
Yorkshire -23 139 £50,000 - 36
Scotland -23 132 £50,000 +3.67% 38
West Midlands +5 118 £57,500 +21.05% 43
East of England -21 107 £55,000 +4.76% 36
North East +33 78 £55,000 +22.22% 22
East Midlands -36 65 £47,500 +5.56% 21
Wales +18 50 £42,500 +18.06% 14
Northern Ireland -3 26 £44,500 -19.09% 7

For the 6 months to 15 June 2021, IT jobs citing RESTful 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 RESTful.

1 2,234 (60.71%) Agile Software Development
2 1,717 (46.66%) JavaScript
3 1,310 (35.60%) Java
4 1,240 (33.70%) CSS
5 1,225 (33.29%) Git (software)
6 1,125 (30.57%) HTML
7 1,118 (30.38%) Microservices
8 1,087 (29.54%) Software Engineering
9 1,037 (28.18%) AWS
10 994 (27.01%) AngularJS
11 991 (26.93%) React
12 970 (26.36%) SQL
13 954 (25.92%) TDD
14 919 (24.97%) C#
15 875 (23.78%) Azure
16 859 (23.34%) .NET
17 838 (22.77%) Docker
18 835 (22.69%) DevOps
19 779 (21.17%) Finance
20 760 (20.65%) Node.js
21 744 (20.22%) Social Skills
22 733 (19.92%) Web Services
23 717 (19.48%) Test Automation
24 689 (18.72%) Scrum
25 686 (18.64%) Spring
26 685 (18.61%) TypeScript
27 672 (18.26%) Python
28 650 (17.66%) NoSQL
29 639 (17.36%) REST
30 614 (16.68%) MVC

RESTful
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
1 179 (4.86%) Apache
2 168 (4.57%) Confluence
3 164 (4.46%) CMS
4 159 (4.32%) Elasticsearch
5 138 (3.75%) Apache Spark
6 101 (2.74%) GemFire
7 66 (1.79%) EPiServer
8 57 (1.55%) Tomcat
9 53 (1.44%) nginx
10 52 (1.41%) Apache Solr
11 44 (1.20%) Umbraco
12 32 (0.87%) WordPress
13 24 (0.65%) Tornado
14 20 (0.54%) IIS
14 20 (0.54%) JBoss
14 20 (0.54%) Oracle Coherence
14 20 (0.54%) Sitecore CMS
14 20 (0.54%) WebSphere
15 18 (0.49%) Sitefinity
16 14 (0.38%) SharePoint
Applications
1 14 (0.38%) Figma
2 13 (0.35%) Photoshop
3 12 (0.33%) Microsoft Excel
4 10 (0.27%) Adobe Illustrator
4 10 (0.27%) GIMP
4 10 (0.27%) Sketch
5 6 (0.16%) Adobe XD
5 6 (0.16%) Chatbot
6 3 (0.082%) Zeplin
7 1 (0.027%) Microsoft Office
7 1 (0.027%) Microsoft PowerPoint
7 1 (0.027%) MS Visio
7 1 (0.027%) Spreadsheet
Business Applications
1 22 (0.60%) Shopify
2 20 (0.54%) Distributed Ledger
3 16 (0.43%) Payment Gateway
4 11 (0.30%) Magento
5 10 (0.27%) Dynamics CRM
6 9 (0.24%) NetSuite
7 8 (0.22%) Dynamics AX
7 8 (0.22%) IBM Operational Decision Manager
8 5 (0.14%) Oracle BPM
8 5 (0.14%) Sentinel
9 2 (0.054%) SAP Business One
9 2 (0.054%) SAP ERP
10 1 (0.027%) BASE24
10 1 (0.027%) Dynamics NAV
10 1 (0.027%) Infor M3
10 1 (0.027%) Maximo
Cloud Services
1 1,037 (28.18%) AWS
2 875 (23.78%) Azure
3 307 (8.34%) GitHub
3 307 (8.34%) SaaS
4 250 (6.79%) Serverless
5 246 (6.68%) GCP
6 143 (3.89%) npm
7 115 (3.13%) AWS Lambda
8 106 (2.88%) Amazon S3
9 95 (2.58%) PaaS
10 93 (2.53%) Amazon Kinesis
11 80 (2.17%) Amazon EC2
12 64 (1.74%) Cloud Computing
13 56 (1.52%) Power Platform
14 55 (1.49%) AWS CloudFormation
15 52 (1.41%) Amazon CloudWatch
16 46 (1.25%) Azure Service Bus
17 44 (1.20%) Amazon SQS
18 39 (1.06%) Amazon Cognito
19 38 (1.03%) OpenShift
Communications & Networking
1 248 (6.74%) HTTP
2 122 (3.32%) Internet
3 47 (1.28%) DNS
4 29 (0.79%) Wireless
5 27 (0.73%) Ethernet
6 26 (0.71%) DHCP
6 26 (0.71%) Firewall
6 26 (0.71%) IPv4
7 25 (0.68%) 3GPP
7 25 (0.68%) IPv6
7 25 (0.68%) MPLS
7 25 (0.68%) VLAN
8 20 (0.54%) SSL
9 19 (0.52%) VPN
10 16 (0.43%) Broadband
10 16 (0.43%) FTP
10 16 (0.43%) TCP/IP
11 13 (0.35%) SMTP
12 10 (0.27%) Network Security
12 10 (0.27%) Reverse Proxy
Database & Business Intelligence
1 650 (17.66%) NoSQL
2 514 (13.97%) MySQL
2 514 (13.97%) Relational Database
3 429 (11.66%) PostgreSQL
4 362 (9.84%) SQL Server
5 264 (7.17%) MongoDB
6 227 (6.17%) Redis
7 127 (3.45%) Big Data
8 121 (3.29%) Amazon DynamoDB
9 115 (3.13%) MariaDB
10 96 (2.61%) HBase
11 77 (2.09%) RDBMS
12 66 (1.79%) Oracle Database
13 57 (1.55%) Amazon RDS
14 47 (1.28%) Couchbase
15 42 (1.14%) Hadoop
16 34 (0.92%) Blockchain
17 33 (0.90%) BigQuery
17 33 (0.90%) Power BI
18 31 (0.84%) Azure SQL Database
Development Applications
1 1,225 (33.29%) Git (software)
2 521 (14.16%) Jenkins
3 352 (9.57%) JUnit
4 329 (8.94%) JIRA
5 236 (6.41%) Maven
6 178 (4.84%) Cypress.io
7 176 (4.78%) Cucumber
8 165 (4.48%) Mockito
9 157 (4.27%) Selenium
10 156 (4.24%) TeamCity
11 149 (4.05%) webpack
12 142 (3.86%) Sonatype Nexus
13 134 (3.64%) Gradle
13 134 (3.64%) Protractor
14 126 (3.42%) IntelliJ
14 126 (3.42%) JMeter
15 111 (3.02%) Eclipse
16 108 (2.93%) Storybook
17 103 (2.80%) Bitbucket
18 97 (2.64%) SonarQube
General
1 779 (21.17%) Finance
2 744 (20.22%) Social Skills
3 268 (7.28%) Banking
4 226 (6.14%) Games
5 187 (5.08%) Retail
6 154 (4.18%) Marketing
7 143 (3.89%) Law
8 142 (3.86%) Analytical Skills
9 122 (3.32%) Public Sector
10 76 (2.07%) Publishing
11 75 (2.04%) Advertising
12 57 (1.55%) Legal
13 48 (1.30%) Back Office
14 43 (1.17%) Financial Institution
15 31 (0.84%) Online Betting
16 30 (0.82%) Organisational Skills
17 27 (0.73%) Telecoms
18 26 (0.71%) Influencing Skills
19 23 (0.63%) Manufacturing
20 18 (0.49%) Documentation Skills
Job Titles
1 2,202 (59.84%) Developer
2 586 (15.92%) Senior Developer
2 586 (15.92%) Software Engineer
3 408 (11.09%) Java Developer
4 331 (8.99%) Full Stack Developer
5 281 (7.64%) PHP Developer
6 280 (7.61%) Software Developer
7 266 (7.23%) Front End Developer (Client-Side Developer)
8 262 (7.12%) .NET Developer
9 208 (5.65%) React Developer
10 200 (5.43%) C# Developer
11 167 (4.54%) Backend Developer
12 157 (4.27%) Java Engineer
12 157 (4.27%) Senior Java Developer
13 152 (4.13%) Senior Software Engineer
14 118 (3.21%) C# .NET Developer
15 114 (3.10%) Lead Developer
16 111 (3.02%) Angular Developer
17 101 (2.74%) Java Software Engineer
18 100 (2.72%) JavaScript Developer
Libraries, Frameworks & Software Standards
1 1,240 (33.70%) CSS
2 1,125 (30.57%) HTML
3 994 (27.01%) AngularJS
4 991 (26.93%) React
5 859 (23.34%) .NET
6 760 (20.65%) Node.js
7 733 (19.92%) Web Services
8 686 (18.64%) Spring
9 639 (17.36%) REST
10 465 (12.64%) JSON
11 454 (12.34%) .NET Core
12 449 (12.20%) HTML5
13 423 (11.49%) Redux
14 345 (9.38%) Vue.js
15 292 (7.93%) Spring Boot
16 288 (7.83%) ASP.NET
16 288 (7.83%) Twitter Bootstrap
17 280 (7.61%) Kafka
18 271 (7.36%) Sass
19 264 (7.17%) CSS3
Miscellaneous
1 493 (13.40%) User Experience
2 255 (6.93%) Mobile App
3 166 (4.51%) Self-Motivation
4 158 (4.29%) Greenfield Project
5 118 (3.21%) Linux Command Line
6 77 (2.09%) Blog
7 65 (1.77%) Virtual Team
8 63 (1.71%) Algorithms
8 63 (1.71%) NHS
9 55 (1.49%) iPhone
10 54 (1.47%) Data Structures
11 53 (1.44%) Client/Server
12 51 (1.39%) Enterprise Software
12 51 (1.39%) Renewable Energy
13 48 (1.30%) Cloud Native
14 47 (1.28%) Public Cloud
15 25 (0.68%) Online Banking
16 23 (0.63%) N-Tier
17 21 (0.57%) Foreign Exchange (FX)
17 21 (0.57%) Management Information System
Operating Systems
1 531 (14.43%) Linux
2 234 (6.36%) Unix
3 219 (5.95%) Android
4 193 (5.24%) Apple iOS
5 89 (2.42%) Windows
6 21 (0.57%) Ubuntu
7 9 (0.24%) VMS
8 8 (0.22%) Red Hat Enterprise Linux
9 7 (0.19%) Debian
10 6 (0.16%) tvOS
11 5 (0.14%) SUSE
11 5 (0.14%) Windows 10
12 4 (0.11%) CentOS
12 4 (0.11%) Embedded Linux
12 4 (0.11%) Fedora
13 3 (0.082%) watchOS
14 2 (0.054%) Mac OS
14 2 (0.054%) Tizen
14 2 (0.054%) webOS
14 2 (0.054%) Windows Server
Processes & Methodologies
1 2,234 (60.71%) Agile Software Development
2 1,118 (30.38%) Microservices
3 1,087 (29.54%) Software Engineering
4 954 (25.92%) TDD
5 835 (22.69%) DevOps
6 717 (19.48%) Test Automation
7 689 (18.72%) Scrum
8 614 (16.68%) MVC
9 571 (15.52%) OO
10 512 (13.91%) Continuous Integration
11 483 (13.13%) Front End Development
12 474 (12.88%) BDD
13 451 (12.26%) OOP
14 444 (12.07%) Fintech
15 419 (11.39%) Mentoring
16 408 (11.09%) Problem-Solving
17 392 (10.65%) Open Source
18 390 (10.60%) Computer Science
19 341 (9.27%) Unit Testing
20 339 (9.21%) Web Development
Programming Languages
1 1,717 (46.66%) JavaScript
2 1,310 (35.60%) Java
3 970 (26.36%) SQL
4 919 (24.97%) C#
5 685 (18.61%) TypeScript
6 672 (18.26%) Python
7 454 (12.34%) PHP
8 243 (6.60%) Java 8
9 192 (5.22%) ES6
10 175 (4.76%) Scala
11 142 (3.86%) Go
12 136 (3.70%) Shell Script
13 135 (3.67%) Groovy
14 115 (3.13%) Kotlin
15 107 (2.91%) Ruby
16 105 (2.85%) C++
17 76 (2.07%) C
18 72 (1.96%) Apple Swift
19 56 (1.52%) PHP 7
20 55 (1.49%) PowerShell
Qualifications
1 440 (11.96%) Degree
2 193 (5.24%) Computer Science Degree
3 123 (3.34%) Security Cleared
4 118 (3.21%) SC Cleared
5 90 (2.45%) OCP
5 90 (2.45%) Oracle Certification
6 15 (0.41%) BPSS Clearance
6 15 (0.41%) Master's Degree
7 12 (0.33%) HNC
8 10 (0.27%) PhD
9 9 (0.24%) Microsoft Certification
10 7 (0.19%) HND
10 7 (0.19%) ISTQB
11 5 (0.14%) CISA
11 5 (0.14%) CISM
11 5 (0.14%) CISSP
11 5 (0.14%) ISSAP
11 5 (0.14%) ISSEP
11 5 (0.14%) TOGAF Certification
12 4 (0.11%) Numerate Degree
Quality Assurance & Compliance
1 342 (9.29%) QA
2 67 (1.82%) Accessibility
3 21 (0.57%) PMO
4 13 (0.35%) GDPR
5 11 (0.30%) ISO/IEC 27001
6 6 (0.16%) WCAG
7 5 (0.14%) COBIT
7 5 (0.14%) ISO 9001
7 5 (0.14%) NIST
8 4 (0.11%) GRC
9 3 (0.082%) PCI DSS
9 3 (0.082%) SLA
10 2 (0.054%) ISO/IEC 20000
10 2 (0.054%) SOC 2
11 1 (0.027%) ISO 8583
System Software
1 838 (22.77%) Docker
2 93 (2.53%) HDFS
3 77 (2.09%) VMware Infrastructure
4 20 (0.54%) Active Directory
5 15 (0.41%) Apache ZooKeeper
6 11 (0.30%) Virtual Machines
7 10 (0.27%) Firmware
8 7 (0.19%) Hyper-V
8 7 (0.19%) Postfix
9 5 (0.14%) Virtual Desktop
9 5 (0.14%) Xen
10 4 (0.11%) Virtual Servers
11 3 (0.082%) OpenAM
11 3 (0.082%) OpenDJ
12 2 (0.054%) Varnish
12 2 (0.054%) vSphere
13 1 (0.027%) GlusterFS
13 1 (0.027%) LXC
Systems Management
1 552 (15.00%) Kubernetes
2 186 (5.05%) Ansible
3 154 (4.18%) Terraform
4 79 (2.15%) Opscode Chef
5 43 (1.17%) Puppet
6 25 (0.68%) Prometheus
7 21 (0.57%) Docker Swarm
8 20 (0.54%) Kibana
9 16 (0.43%) HP Quality Center
10 11 (0.30%) Grafana
11 8 (0.22%) Single Sign-On
12 5 (0.14%) Salt
13 4 (0.11%) Hadoop YARN
13 4 (0.11%) Packer
14 3 (0.082%) Data Guard
14 3 (0.082%) Graphite
14 3 (0.082%) Kubeflow
14 3 (0.082%) logstash
14 3 (0.082%) TeamSite
15 2 (0.054%) BMC PATROL
Vendors
1 377 (10.24%) Microsoft
2 274 (7.45%) Oracle
3 175 (4.76%) Google
4 111 (3.02%) VMware
5 100 (2.72%) Okta
6 72 (1.96%) Samsung
7 69 (1.88%) Salesforce.com
8 48 (1.30%) Apple
9 44 (1.20%) Atlassian
10 39 (1.06%) Zend
11 38 (1.03%) IBM
12 33 (0.90%) Adobe
13 24 (0.65%) Facebook
13 24 (0.65%) Solace
13 24 (0.65%) Xamarin
14 23 (0.63%) Sitecore
15 19 (0.52%) HP
16 17 (0.46%) Splunk
17 16 (0.43%) ServiceNow
18 15 (0.41%) SAP