Period
to 2 December 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 2 December 2021 with a comparison to the same period in the previous 2 years.

RESTful
UK
6 months to
2 Dec 2021
Same period 2020 Same period 2019
Rank 80 85 92
Rank change year-on-year +5 +7 -15
Permanent jobs citing RESTful 4,787 2,095 4,405
As % of all permanent jobs advertised in the UK 3.71% 3.76% 3.28%
As % of the Libraries, Frameworks & Software Standards category 9.48% 8.58% 8.56%
Number of salaries quoted 2,640 1,774 3,665
10th Percentile £38,750 £36,250 £34,731
25th Percentile £45,000 £42,500 £41,250
Median annual salary (50th Percentile) £60,000 £55,000 £55,000
Median % change year-on-year +9.09% - +1.85%
75th Percentile £73,750 £70,000 £72,500
90th Percentile £88,750 £81,250 £85,000
UK excluding London median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% -

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 50,490 24,408 51,440
As % of all permanent IT jobs advertised in the UK 39.14% 43.84% 38.30%
Number of salaries quoted 32,506 21,116 42,871
10th Percentile £36,750 £35,000 £32,500
25th Percentile £45,000 £42,500 £40,000
Median annual salary (50th Percentile) £60,000 £57,500 £55,000
Median % change year-on-year +4.35% +4.55% +4.76%
75th Percentile £80,000 £75,000 £72,500
90th Percentile £97,500 £91,250 £88,750
UK excluding London median annual salary £52,500 £50,000 £45,000
% change year-on-year +5.00% +11.11% -

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 2 December 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 2 December 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 +5 4,159 £60,000 +9.09% 663
UK excluding London -10 2,341 £50,000 - 429
London +15 1,999 £70,000 - 281
Work from Home -8 1,333 £55,000 +4.76% 170
South East +6 771 £55,000 - 71
North of England -22 528 £50,000 - 136
Midlands -1 370 £45,000 - 85
North West -24 250 £50,000 +5.26% 74
Yorkshire -18 236 £50,000 - 43
South West -48 229 £50,000 +8.70% 41
West Midlands -33 202 £45,000 +5.88% 51
Scotland -12 167 £55,000 +10.00% 35
East Midlands +8 143 £47,000 -6.00% 33
East of England -57 139 £55,000 +15.79% 45
Wales +6 99 £47,500 +5.56% 8
Northern Ireland -19 45 £34,750 -7.33% 9
North East -12 42 £65,000 +39.78% 19

For the 6 months to 2 December 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 2,881 (60.18%) Agile Software Development
2 2,206 (46.08%) JavaScript
3 1,837 (38.37%) Java
4 1,639 (34.24%) Git (software)
5 1,578 (32.96%) React
6 1,484 (31.00%) Software Engineering
7 1,460 (30.50%) CSS
8 1,444 (30.17%) Microservices
9 1,351 (28.22%) Docker
10 1,350 (28.20%) AWS
11 1,328 (27.74%) DevOps
12 1,297 (27.09%) Azure
13 1,285 (26.84%) HTML
14 1,213 (25.34%) TDD
15 1,112 (23.23%) C#
16 1,111 (23.21%) Web Services
17 1,095 (22.87%) AngularJS
18 1,082 (22.60%) SQL
19 1,043 (21.79%) Node.js
20 1,038 (21.68%) .NET
21 1,027 (21.45%) Test Automation
22 1,000 (20.89%) Full Stack Development
23 952 (19.89%) Kubernetes
23 952 (19.89%) Finance
24 951 (19.87%) Jenkins
25 924 (19.30%) Social Skills
26 909 (18.99%) Scrum
27 907 (18.95%) NoSQL
28 840 (17.55%) Python
29 825 (17.23%) Spring

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
1 232 (4.85%) CMS
2 227 (4.74%) Apache
3 175 (3.66%) Confluence
4 174 (3.63%) Apache Spark
5 171 (3.57%) Elasticsearch
6 138 (2.88%) GemFire
7 100 (2.09%) Apache Solr
8 81 (1.69%) WordPress
9 57 (1.19%) nginx
10 41 (0.86%) Umbraco
11 35 (0.73%) Tomcat
12 32 (0.67%) Drupal
13 30 (0.63%) Apache Airflow
14 28 (0.58%) Cloud Foundry
14 28 (0.58%) EPiServer
15 23 (0.48%) JBoss
16 20 (0.42%) Oracle Coherence
16 20 (0.42%) Sitecore CMS
17 19 (0.40%) Jupyter
17 19 (0.40%) SharePoint
Applications
1 16 (0.33%) Photoshop
2 15 (0.31%) Adobe Illustrator
2 15 (0.31%) Figma
3 11 (0.23%) Microsoft Excel
3 11 (0.23%) Microsoft Office
4 10 (0.21%) GIMP
5 6 (0.13%) Chatbot
5 6 (0.13%) Sketch
6 5 (0.10%) Fireworks
7 4 (0.084%) Adobe XD
8 3 (0.063%) Adobe Creative Suite
8 3 (0.063%) Zeplin
9 2 (0.042%) Microsoft PowerPoint
9 2 (0.042%) Spreadsheet
10 1 (0.021%) InDesign
10 1 (0.021%) InVision
10 1 (0.021%) UXPin
Business Applications
1 37 (0.77%) Payment Gateway
2 32 (0.67%) Distributed Ledger
3 15 (0.31%) Magento
4 14 (0.29%) Shopify
5 13 (0.27%) R3 Corda
6 11 (0.23%) Oracle BPM
7 6 (0.13%) IBM Operational Decision Manager
8 5 (0.10%) osCommerce
9 4 (0.084%) SAP FI
10 3 (0.063%) Dynamics CRM
10 3 (0.063%) NetSuite
10 3 (0.063%) SAP CO
10 3 (0.063%) SAP ERP
10 3 (0.063%) SAP FI/CO
10 3 (0.063%) SAP S/4HANA
11 1 (0.021%) BASE24
11 1 (0.021%) SAP Hybris
11 1 (0.021%) SAP Travel Management
Cloud Services
1 1,350 (28.20%) AWS
2 1,297 (27.09%) Azure
3 771 (16.11%) GitHub
4 469 (9.80%) SaaS
5 418 (8.73%) GCP
6 396 (8.27%) Serverless
7 333 (6.96%) OpenShift
8 162 (3.38%) npm
9 144 (3.01%) Amazon Kinesis
10 132 (2.76%) Amazon EKS
11 131 (2.74%) AWS Lambda
12 124 (2.59%) PaaS
13 90 (1.88%) Cloud Computing
13 90 (1.88%) GitHub Actions
14 82 (1.71%) Amazon S3
15 69 (1.44%) Amazon EC2
16 68 (1.42%) Azure Functions
17 63 (1.32%) Amazon SQS
18 53 (1.11%) Firebase
19 52 (1.09%) Azure Service Bus
Communications & Networking
1 330 (6.89%) HTTP
2 102 (2.13%) Internet
3 101 (2.11%) Kerberos
4 77 (1.61%) DNS
5 49 (1.02%) Firewall
6 44 (0.92%) Broadband
7 41 (0.86%) 3GPP
7 41 (0.86%) DHCP
7 41 (0.86%) Ethernet
7 41 (0.86%) IPv4
7 41 (0.86%) IPv6
7 41 (0.86%) MPLS
7 41 (0.86%) VLAN
7 41 (0.86%) Wireless
8 34 (0.71%) SSL
9 32 (0.67%) TCP/IP
10 23 (0.48%) VPN
11 14 (0.29%) SMTP
12 11 (0.23%) FTP
13 9 (0.19%) HTTPS
Database & Business Intelligence
1 907 (18.95%) NoSQL
2 590 (12.33%) Relational Database
3 495 (10.34%) MySQL
4 457 (9.55%) PostgreSQL
5 426 (8.90%) SQL Server
6 418 (8.73%) MongoDB
7 407 (8.50%) Redis
8 168 (3.51%) Big Data
9 158 (3.30%) MariaDB
10 148 (3.09%) Amazon DynamoDB
11 138 (2.88%) HBase
12 82 (1.71%) Apache Cassandra
13 75 (1.57%) Amazon RDS
14 72 (1.50%) Blockchain
15 70 (1.46%) Couchbase
16 62 (1.30%) Oracle Database
17 58 (1.21%) RDBMS
18 56 (1.17%) Hadoop
19 47 (0.98%) Azure SQL Database
20 41 (0.86%) SQL Server Integration Services
Development Applications
1 1,639 (34.24%) Git (software)
2 951 (19.87%) Jenkins
3 416 (8.69%) JUnit
4 412 (8.61%) JIRA
5 315 (6.58%) Maven
6 258 (5.39%) Mockito
7 250 (5.22%) Cucumber
8 223 (4.66%) Postman
9 215 (4.49%) JMeter
10 213 (4.45%) TeamCity
11 212 (4.43%) Gradle
12 208 (4.35%) Selenium
13 190 (3.97%) Sonatype Nexus
14 180 (3.76%) IntelliJ
15 173 (3.61%) Cypress.io
16 170 (3.55%) REST Assured
17 169 (3.53%) Protractor
18 164 (3.43%) GitLab
19 163 (3.41%) Eclipse
19 163 (3.41%) webpack
General
1 952 (19.89%) Finance
2 924 (19.30%) Social Skills
3 380 (7.94%) Banking
4 250 (5.22%) Inclusion and Diversity
5 230 (4.80%) Marketing
6 226 (4.72%) Analytical Skills
7 214 (4.47%) Retail
8 204 (4.26%) Law
9 162 (3.38%) Games
10 119 (2.49%) Public Sector
11 111 (2.32%) Advertising
12 69 (1.44%) Publishing
13 66 (1.38%) Legal
14 55 (1.15%) Organisational Skills
15 53 (1.11%) Financial Institution
16 50 (1.04%) Investment Banking
17 30 (0.63%) Telecoms
18 29 (0.61%) Documentation Skills
19 27 (0.56%) Back Office
20 26 (0.54%) Manufacturing
Job Titles
1 2,695 (56.30%) Developer
2 903 (18.86%) Software Engineer
3 660 (13.79%) Senior Developer
4 508 (10.61%) Java Developer
5 420 (8.77%) Front End Developer (Client-Side Developer)
6 343 (7.17%) Software Developer
7 327 (6.83%) Full Stack Developer
8 317 (6.62%) .NET Developer
9 298 (6.23%) PHP Developer
10 241 (5.03%) Senior Software Engineer
11 214 (4.47%) C# Developer
12 206 (4.30%) Analyst
13 188 (3.93%) Principal Engineer
14 182 (3.80%) Lead Developer
15 176 (3.68%) Architect
16 175 (3.66%) Test Analyst
17 168 (3.51%) React Developer
18 162 (3.38%) Senior Java Developer
19 155 (3.24%) Java Engineer
20 154 (3.22%) Backend Developer
Libraries, Frameworks & Software Standards
1 1,578 (32.96%) React
2 1,460 (30.50%) CSS
3 1,285 (26.84%) HTML
4 1,111 (23.21%) Web Services
5 1,095 (22.87%) AngularJS
6 1,043 (21.79%) Node.js
7 1,038 (21.68%) .NET
8 825 (17.23%) Spring
9 660 (13.79%) REST
10 565 (11.80%) Spring Boot
11 538 (11.24%) JSON
12 471 (9.84%) HTML5
13 460 (9.61%) .NET Core
14 415 (8.67%) Redux
15 349 (7.29%) Vue.js
16 348 (7.27%) Kafka
17 345 (7.21%) ASP.NET
18 331 (6.91%) jQuery
19 328 (6.85%) RabbitMQ
20 319 (6.66%) .NET Framework
Miscellaneous
1 629 (13.14%) User Experience
2 315 (6.58%) Mobile App
3 305 (6.37%) Greenfield Project
4 240 (5.01%) Algorithms
5 179 (3.74%) Self-Motivation
6 178 (3.72%) Cloud Native
7 157 (3.28%) Linux Command Line
8 112 (2.34%) Enterprise Software
9 96 (2.01%) Data Structures
9 96 (2.01%) Virtual Team
10 90 (1.88%) e-Learning
11 86 (1.80%) Blog
12 74 (1.55%) Legacy Code
13 66 (1.38%) NHS
14 50 (1.04%) Client/Server
15 48 (1.00%) Public Cloud
16 45 (0.94%) Social Media
17 44 (0.92%) Tandem
18 40 (0.84%) Social Network
19 30 (0.63%) Management Information System
Operating Systems
1 539 (11.26%) Linux
2 265 (5.54%) Unix
3 231 (4.83%) Android
4 217 (4.53%) Apple iOS
5 134 (2.80%) Windows
6 39 (0.81%) Mac OS
7 32 (0.67%) Ubuntu
8 25 (0.52%) VMS
9 20 (0.42%) CentOS
10 11 (0.23%) Red Hat Enterprise Linux
11 7 (0.15%) Windows Server
12 6 (0.13%) Fedora
13 5 (0.10%) watchOS
14 4 (0.084%) Tizen
14 4 (0.084%) webOS
15 3 (0.063%) FreeBSD
16 2 (0.042%) Mac OS X
17 1 (0.021%) Debian
17 1 (0.021%) Solaris
17 1 (0.021%) Windows Server 2012
Processes & Methodologies
1 2,881 (60.18%) Agile Software Development
2 1,484 (31.00%) Software Engineering
3 1,444 (30.17%) Microservices
4 1,328 (27.74%) DevOps
5 1,213 (25.34%) TDD
6 1,027 (21.45%) Test Automation
7 1,000 (20.89%) Full Stack Development
8 909 (18.99%) Scrum
9 710 (14.83%) Front End Development
10 693 (14.48%) BDD
11 656 (13.70%) Computer Science
12 635 (13.27%) MVC
13 634 (13.24%) Continuous Integration
14 611 (12.76%) OO
15 598 (12.49%) Problem-Solving
16 557 (11.64%) Mentoring
17 539 (11.26%) OOP
18 516 (10.78%) Fintech
19 481 (10.05%) Continuous Improvement
20 417 (8.71%) Unit Testing
Programming Languages
1 2,206 (46.08%) JavaScript
2 1,837 (38.37%) Java
3 1,112 (23.23%) C#
4 1,082 (22.60%) SQL
5 840 (17.55%) Python
6 685 (14.31%) TypeScript
7 515 (10.76%) PHP
8 332 (6.94%) Java 8
9 198 (4.14%) Shell Script
10 197 (4.12%) Groovy
11 175 (3.66%) Kotlin
12 150 (3.13%) ES6
13 145 (3.03%) Go
14 118 (2.47%) Scala
15 113 (2.36%) Ruby
16 110 (2.30%) C++
17 106 (2.21%) T-SQL
18 90 (1.88%) Java 11
19 88 (1.84%) Bash Shell
20 84 (1.75%) PHP 7
Qualifications
1 670 (14.00%) Degree
2 257 (5.37%) Security Cleared
3 246 (5.14%) Computer Science Degree
4 218 (4.55%) SC Cleared
5 132 (2.76%) Oracle Certification
6 131 (2.74%) OCP
7 44 (0.92%) Numerate Degree
8 28 (0.58%) AWS Certification
9 27 (0.56%) Cisco Certification
9 27 (0.56%) ISTQB
9 27 (0.56%) Master's Degree
10 25 (0.52%) BPSS Clearance
11 23 (0.48%) (ISC)2 CCSP
11 23 (0.48%) CESG Certified Professional
12 19 (0.40%) PhD
13 18 (0.38%) ISEB
14 9 (0.19%) Microsoft Certification
15 8 (0.17%) HND
16 7 (0.15%) ISTQB Foundation Certification
17 6 (0.13%) SAFe Agilist
Quality Assurance & Compliance
1 668 (13.95%) QA
2 106 (2.21%) Accessibility
3 24 (0.50%) Data Quality
3 24 (0.50%) IASME
3 24 (0.50%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
3 24 (0.50%) NIST
4 20 (0.42%) PMO
5 18 (0.38%) GRC
5 18 (0.38%) ISO/IEC 27001
6 15 (0.31%) GDPR
7 11 (0.23%) PCI DSS
8 10 (0.21%) NCSC
9 8 (0.17%) IEC 62304
9 8 (0.17%) ISO 13485
10 7 (0.15%) Cyber Essentials
10 7 (0.15%) Cyber Essentials PLUS
10 7 (0.15%) PA-DSS
10 7 (0.15%) SLA
10 7 (0.15%) TickIT
11 6 (0.13%) ISO 20022
System Software
1 1,351 (28.22%) Docker
2 138 (2.88%) HDFS
3 102 (2.13%) VMware Infrastructure
4 36 (0.75%) Active Directory
5 18 (0.38%) Postfix
6 14 (0.29%) Apache ZooKeeper
7 9 (0.19%) Firmware
8 7 (0.15%) Virtual Machines
9 4 (0.084%) Varnish
9 4 (0.084%) VirtualBox
10 3 (0.063%) LXC
11 2 (0.042%) vSphere
12 1 (0.021%) Hyper-V
12 1 (0.021%) Oracle RAC
Systems Management
1 952 (19.89%) Kubernetes
2 370 (7.73%) Ansible
3 297 (6.20%) Terraform
4 114 (2.38%) Opscode Chef
5 76 (1.59%) Puppet
6 50 (1.04%) Single Sign-On
7 34 (0.71%) Grafana
8 33 (0.69%) Prometheus
9 32 (0.67%) Docker Swarm
10 24 (0.50%) CASB
11 17 (0.36%) Istio
12 13 (0.27%) Graphite
13 7 (0.15%) Kibana
13 7 (0.15%) Opsview
14 6 (0.13%) logstash
15 4 (0.084%) Hadoop YARN
16 3 (0.063%) Microsoft Intune
16 3 (0.063%) Rundeck
17 2 (0.042%) MIIS
17 2 (0.042%) NetIQ Identity Manager
Vendors
1 409 (8.54%) Microsoft
2 284 (5.93%) Google
3 213 (4.45%) Oracle
4 145 (3.03%) VMware
5 143 (2.99%) Okta
6 93 (1.94%) Samsung
7 65 (1.36%) Apple
8 57 (1.19%) Salesforce.com
9 42 (0.88%) New Relic
10 40 (0.84%) Xamarin
11 39 (0.81%) Facebook
11 39 (0.81%) Splunk
12 36 (0.75%) MuleSoft
13 31 (0.65%) Adobe
13 31 (0.65%) Rackspace
14 30 (0.63%) SAP
14 30 (0.63%) ServiceNow
15 25 (0.52%) Atlassian
16 24 (0.50%) Cognizant
17 22 (0.46%) IBM