Period
to 20 September 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 20 September 2021 with a comparison to the same period in the previous 2 years.

RESTful
UK
6 months to
20 Sep 2021
Same period 2020 Same period 2019
Rank 79 89 100
Rank change year-on-year +10 +11 -23
Permanent jobs citing RESTful 4,751 1,736 4,533
As % of all permanent jobs advertised in the UK 3.92% 3.53% 3.21%
As % of the Libraries, Frameworks & Software Standards category 9.64% 8.07% 8.58%
Number of salaries quoted 2,598 1,451 3,742
10th Percentile £38,750 £32,500 £34,250
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% - +4.76%
75th Percentile £73,750 £70,000 £72,500
90th Percentile £86,250 £80,000 £85,000
UK excluding London median annual salary £51,250 £47,500 £50,000
% change year-on-year +7.89% -5.00% +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 49,291 21,504 52,816
As % of all permanent IT jobs advertised in the UK 40.72% 43.78% 37.37%
Number of salaries quoted 31,716 18,234 43,674
10th Percentile £36,250 £35,000 £32,000
25th Percentile £45,000 £42,500 £39,250
Median annual salary (50th Percentile) £60,000 £57,500 £52,500
Median % change year-on-year +4.35% +9.52% +5.00%
75th Percentile £77,500 £75,000 £72,500
90th Percentile £95,000 £95,000 £87,500
UK excluding London median annual salary £50,000 £50,000 £45,000
% change year-on-year - +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 20 September 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 20 September 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 +14 4,184 £60,000 +9.09% 766
UK excluding London -2 2,266 £51,250 +7.89% 477
London +32 2,121 £70,000 - 320
Work from Home +1 1,229 £55,000 +10.00% 170
South East +27 792 £55,000 +4.76% 88
North of England -27 473 £50,000 +5.26% 147
Midlands -25 288 £45,000 - 101
South West -31 287 £50,000 +11.11% 49
North West -21 244 £50,000 - 79
West Midlands -31 171 £45,000 +3.45% 64
Scotland -16 167 £50,000 - 22
Yorkshire -51 160 £50,000 - 38
East of England -41 139 £52,500 +16.67% 54
East Midlands -22 105 £47,000 -1.05% 35
Wales +7 74 £45,000 - 13
North East 0 69 £61,250 +36.11% 30
Northern Ireland -21 48 £35,000 -36.36% 3

For the 6 months to 20 September 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 2,926 (61.59%) Agile Software Development
2 2,058 (43.32%) JavaScript
3 1,785 (37.57%) Java
4 1,699 (35.76%) React
5 1,570 (33.05%) Microservices
6 1,560 (32.84%) Git (software)
7 1,517 (31.93%) CSS
8 1,484 (31.24%) Software Engineering
9 1,397 (29.40%) AWS
10 1,266 (26.65%) TDD
11 1,243 (26.16%) HTML
12 1,224 (25.76%) AngularJS
13 1,223 (25.74%) Azure
14 1,207 (25.41%) Docker
15 1,206 (25.38%) DevOps
16 1,200 (25.26%) SQL
17 1,089 (22.92%) C#
18 1,066 (22.44%) Finance
19 1,062 (22.35%) .NET
20 1,053 (22.16%) Node.js
21 1,019 (21.45%) Full Stack Development
22 992 (20.88%) NoSQL
23 990 (20.84%) Test Automation
24 979 (20.61%) Scrum
25 977 (20.56%) Web Services
26 945 (19.89%) Spring
27 944 (19.87%) Social Skills
28 910 (19.15%) Python
29 860 (18.10%) Kubernetes
30 833 (17.53%) Jenkins

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
1 274 (5.77%) Apache
2 237 (4.99%) Apache Spark
3 205 (4.31%) CMS
4 195 (4.10%) GemFire
5 175 (3.68%) Elasticsearch
6 161 (3.39%) Confluence
7 97 (2.04%) Apache Solr
8 75 (1.58%) WordPress
9 65 (1.37%) nginx
10 41 (0.86%) Tomcat
11 40 (0.84%) EPiServer
12 37 (0.78%) Umbraco
13 34 (0.72%) Apache Airflow
14 33 (0.69%) Tornado
15 29 (0.61%) Cloud Foundry
16 25 (0.53%) Drupal
17 21 (0.44%) JBoss
18 20 (0.42%) Oracle Coherence
18 20 (0.42%) WebSphere
19 19 (0.40%) Jupyter
Applications
1 26 (0.55%) Photoshop
2 22 (0.46%) Adobe Illustrator
3 17 (0.36%) GIMP
4 16 (0.34%) Figma
5 11 (0.23%) Microsoft Excel
6 9 (0.19%) Sketch
7 7 (0.15%) Microsoft Office
8 5 (0.11%) Fireworks
8 5 (0.11%) Zeplin
9 4 (0.084%) Adobe XD
10 3 (0.063%) Adobe Creative Suite
10 3 (0.063%) Spreadsheet
11 2 (0.042%) Chatbot
12 1 (0.021%) Microsoft PowerPoint
12 1 (0.021%) MS Visio
12 1 (0.021%) UXPin
Business Applications
1 32 (0.67%) Distributed Ledger
2 27 (0.57%) Payment Gateway
3 24 (0.51%) Shopify
4 21 (0.44%) Magento
5 16 (0.34%) Oracle BPM
6 13 (0.27%) R3 Corda
7 8 (0.17%) IBM Operational Decision Manager
8 6 (0.13%) NetSuite
9 5 (0.11%) osCommerce
10 4 (0.084%) Dynamics AX
10 4 (0.084%) Dynamics CRM
10 4 (0.084%) SAP ERP
10 4 (0.084%) Sentinel
11 3 (0.063%) SAP FI
11 3 (0.063%) SAP S/4HANA
12 2 (0.042%) SAP Business One
12 2 (0.042%) SAP CO
12 2 (0.042%) SAP FI/CO
13 1 (0.021%) BASE24
13 1 (0.021%) SAP Travel Management
Cloud Services
1 1,397 (29.40%) AWS
2 1,223 (25.74%) Azure
3 619 (13.03%) GitHub
4 435 (9.16%) GCP
5 374 (7.87%) SaaS
6 306 (6.44%) Serverless
7 187 (3.94%) npm
8 172 (3.62%) Amazon Kinesis
9 146 (3.07%) OpenShift
10 133 (2.80%) AWS Lambda
11 128 (2.69%) PaaS
12 120 (2.53%) Amazon S3
13 98 (2.06%) Cloud Computing
14 88 (1.85%) Amazon EC2
15 60 (1.26%) Amazon CloudWatch
15 60 (1.26%) Azure Functions
16 58 (1.22%) Amazon EKS
16 58 (1.22%) Power Platform
17 53 (1.12%) Azure Service Bus
18 49 (1.03%) Azure Cosmos DB
Communications & Networking
1 298 (6.27%) HTTP
2 147 (3.09%) Internet
3 80 (1.68%) DNS
4 44 (0.93%) Firewall
5 43 (0.91%) Wireless
6 40 (0.84%) DHCP
6 40 (0.84%) IPv4
7 39 (0.82%) 3GPP
7 39 (0.82%) Ethernet
7 39 (0.82%) IPv6
7 39 (0.82%) MPLS
7 39 (0.82%) VLAN
8 38 (0.80%) Broadband
8 38 (0.80%) SSL
9 32 (0.67%) TCP/IP
10 24 (0.51%) VPN
11 21 (0.44%) Kerberos
12 17 (0.36%) SMTP
13 11 (0.23%) FTP
14 7 (0.15%) Reverse Proxy
Database & Business Intelligence
1 992 (20.88%) NoSQL
2 685 (14.42%) Relational Database
3 617 (12.99%) PostgreSQL
4 531 (11.18%) MySQL
5 457 (9.62%) Redis
6 422 (8.88%) SQL Server
7 400 (8.42%) MongoDB
8 219 (4.61%) MariaDB
9 217 (4.57%) Big Data
10 194 (4.08%) HBase
11 154 (3.24%) Amazon DynamoDB
12 74 (1.56%) RDBMS
13 73 (1.54%) Amazon RDS
14 69 (1.45%) Couchbase
14 69 (1.45%) Oracle Database
15 65 (1.37%) Blockchain
16 64 (1.35%) Hadoop
17 44 (0.93%) Apache Cassandra
18 38 (0.80%) BigQuery
19 36 (0.76%) Power BI
Development Applications
1 1,560 (32.84%) Git (software)
2 833 (17.53%) Jenkins
3 525 (11.05%) JUnit
4 411 (8.65%) JIRA
5 313 (6.59%) Mockito
6 286 (6.02%) Cucumber
7 278 (5.85%) Maven
8 256 (5.39%) Gradle
9 254 (5.35%) Cypress.io
10 244 (5.14%) Protractor
11 242 (5.09%) Sonatype Nexus
12 230 (4.84%) JMeter
13 229 (4.82%) IntelliJ
14 225 (4.74%) Postman
15 219 (4.61%) TeamCity
16 213 (4.48%) Eclipse
17 209 (4.40%) Storybook
18 199 (4.19%) webpack
19 194 (4.08%) Selenium
20 155 (3.26%) SonarQube
General
1 1,066 (22.44%) Finance
2 944 (19.87%) Social Skills
3 431 (9.07%) Banking
4 305 (6.42%) Inclusion and Diversity
5 253 (5.33%) Law
6 247 (5.20%) Games
7 231 (4.86%) Retail
8 205 (4.31%) Analytical Skills
9 203 (4.27%) Marketing
10 126 (2.65%) Public Sector
11 104 (2.19%) Advertising
12 87 (1.83%) Legal
13 75 (1.58%) Publishing
14 55 (1.16%) Back Office
14 55 (1.16%) Organisational Skills
15 49 (1.03%) Financial Institution
16 42 (0.88%) Online Betting
17 32 (0.67%) Investment Banking
18 31 (0.65%) Documentation Skills
19 27 (0.57%) Automotive
Job Titles
1 2,693 (56.68%) Developer
2 856 (18.02%) Software Engineer
3 684 (14.40%) Senior Developer
4 545 (11.47%) Java Developer
5 388 (8.17%) Full Stack Developer
6 378 (7.96%) Front End Developer (Client-Side Developer)
7 363 (7.64%) Software Developer
8 303 (6.38%) PHP Developer
9 271 (5.70%) .NET Developer
10 234 (4.93%) Senior Software Engineer
11 232 (4.88%) React Developer
12 204 (4.29%) Senior Java Developer
13 200 (4.21%) C# Developer
14 199 (4.19%) Backend Developer
15 191 (4.02%) Analyst
16 182 (3.83%) Lead Developer
17 171 (3.60%) Test Analyst
18 164 (3.45%) Java Engineer
19 147 (3.09%) Principal Engineer
20 145 (3.05%) Automation Test Analyst
Libraries, Frameworks & Software Standards
1 1,699 (35.76%) React
2 1,517 (31.93%) CSS
3 1,243 (26.16%) HTML
4 1,224 (25.76%) AngularJS
5 1,062 (22.35%) .NET
6 1,053 (22.16%) Node.js
7 977 (20.56%) Web Services
8 945 (19.89%) Spring
9 827 (17.41%) REST
10 614 (12.92%) JSON
11 542 (11.41%) Redux
12 512 (10.78%) .NET Core
13 477 (10.04%) Spring Boot
14 461 (9.70%) HTML5
15 429 (9.03%) Kafka
16 381 (8.02%) Vue.js
17 378 (7.96%) RabbitMQ
18 339 (7.14%) Twitter Bootstrap
19 331 (6.97%) ASP.NET
20 310 (6.52%) Express
Miscellaneous
1 661 (13.91%) User Experience
2 323 (6.80%) Mobile App
3 221 (4.65%) Greenfield Project
4 216 (4.55%) Self-Motivation
5 199 (4.19%) Linux Command Line
6 135 (2.84%) Algorithms
7 105 (2.21%) Blog
8 93 (1.96%) Cloud Native
8 93 (1.96%) Enterprise Software
8 93 (1.96%) Virtual Team
9 85 (1.79%) NHS
10 75 (1.58%) Data Structures
11 60 (1.26%) Client/Server
12 52 (1.09%) Legacy Code
12 52 (1.09%) Public Cloud
13 49 (1.03%) iPhone
14 45 (0.95%) Social Media
15 42 (0.88%) e-Learning
16 40 (0.84%) Foreign Exchange (FX)
17 39 (0.82%) Tandem
Operating Systems
1 669 (14.08%) Linux
2 368 (7.75%) Unix
3 268 (5.64%) Android
4 247 (5.20%) Apple iOS
5 101 (2.13%) Windows
6 27 (0.57%) Mac OS
7 26 (0.55%) VMS
8 17 (0.36%) Ubuntu
9 15 (0.32%) CentOS
10 11 (0.23%) Red Hat Enterprise Linux
11 9 (0.19%) Fedora
12 6 (0.13%) Windows Server
13 5 (0.11%) tvOS
13 5 (0.11%) watchOS
14 4 (0.084%) Tizen
14 4 (0.084%) webOS
15 3 (0.063%) FreeBSD
16 2 (0.042%) Embedded Linux
17 1 (0.021%) Solaris
17 1 (0.021%) SUSE
Processes & Methodologies
1 2,926 (61.59%) Agile Software Development
2 1,570 (33.05%) Microservices
3 1,484 (31.24%) Software Engineering
4 1,266 (26.65%) TDD
5 1,206 (25.38%) DevOps
6 1,019 (21.45%) Full Stack Development
7 990 (20.84%) Test Automation
8 979 (20.61%) Scrum
9 705 (14.84%) BDD
10 703 (14.80%) OO
11 694 (14.61%) Front End Development
12 665 (14.00%) Continuous Integration
13 643 (13.53%) Computer Science
14 630 (13.26%) MVC
15 582 (12.25%) OOP
16 580 (12.21%) Problem-Solving
17 570 (12.00%) Fintech
18 543 (11.43%) Open Source
19 538 (11.32%) Mentoring
20 452 (9.51%) Clean Code
Programming Languages
1 2,058 (43.32%) JavaScript
2 1,785 (37.57%) Java
3 1,200 (25.26%) SQL
4 1,089 (22.92%) C#
5 910 (19.15%) Python
6 783 (16.48%) TypeScript
7 514 (10.82%) PHP
8 277 (5.83%) Java 8
9 250 (5.26%) Shell Script
10 240 (5.05%) Groovy
11 186 (3.91%) ES6
12 179 (3.77%) Scala
13 177 (3.73%) Kotlin
14 161 (3.39%) Go
15 131 (2.76%) C++
16 130 (2.74%) Ruby
17 92 (1.94%) Java 11
18 85 (1.79%) Apple Swift
19 76 (1.60%) C
20 70 (1.47%) Bash Shell
Qualifications
1 616 (12.97%) Degree
2 248 (5.22%) Computer Science Degree
3 242 (5.09%) Security Cleared
4 220 (4.63%) SC Cleared
5 182 (3.83%) OCP
5 182 (3.83%) Oracle Certification
6 27 (0.57%) BPSS Clearance
6 27 (0.57%) Master's Degree
6 27 (0.57%) Numerate Degree
7 21 (0.44%) ISTQB
8 19 (0.40%) PhD
9 11 (0.23%) AWS Certification
9 11 (0.23%) ISEB
10 9 (0.19%) Microsoft Certification
11 8 (0.17%) (ISC)2 CCSP
11 8 (0.17%) CESG Certified Professional
11 8 (0.17%) Cisco Certification
11 8 (0.17%) ISTQB Foundation Certification
12 6 (0.13%) SAFe Agilist
13 5 (0.11%) HND
Quality Assurance & Compliance
1 662 (13.93%) QA
2 107 (2.25%) Accessibility
3 21 (0.44%) PMO
4 18 (0.38%) GRC
5 12 (0.25%) ISO/IEC 27001
6 11 (0.23%) Data Quality
7 10 (0.21%) GDPR
7 10 (0.21%) NCSC
7 10 (0.21%) NIST
7 10 (0.21%) PCI DSS
8 9 (0.19%) IASME
8 9 (0.19%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
9 7 (0.15%) PA-DSS
10 6 (0.13%) Cyber Essentials
10 6 (0.13%) Cyber Essentials PLUS
10 6 (0.13%) ISO 15022
10 6 (0.13%) ISO 20022
10 6 (0.13%) SLA
10 6 (0.13%) TickIT
11 4 (0.084%) WCAG
System Software
1 1,207 (25.41%) Docker
2 191 (4.02%) HDFS
3 141 (2.97%) VMware Infrastructure
4 35 (0.74%) Active Directory
5 22 (0.46%) Apache ZooKeeper
6 16 (0.34%) Firmware
7 15 (0.32%) Postfix
8 6 (0.13%) Varnish
8 6 (0.13%) Virtual Machines
9 3 (0.063%) LXC
9 3 (0.063%) OpenAM
9 3 (0.063%) OpenDJ
9 3 (0.063%) Virtual Servers
10 2 (0.042%) vSphere
11 1 (0.021%) Hyper-V
11 1 (0.021%) Virtual Desktop
Systems Management
1 860 (18.10%) Kubernetes
2 332 (6.99%) Ansible
3 270 (5.68%) Terraform
4 117 (2.46%) Opscode Chef
5 52 (1.09%) Puppet
6 43 (0.91%) Single Sign-On
7 38 (0.80%) Docker Swarm
8 33 (0.69%) Prometheus
9 21 (0.44%) Grafana
10 16 (0.34%) Kibana
11 15 (0.32%) Istio
12 14 (0.29%) Graphite
13 9 (0.19%) CASB
13 9 (0.19%) logstash
14 7 (0.15%) HP Quality Center
15 4 (0.084%) Hadoop YARN
15 4 (0.084%) Packer
16 3 (0.063%) OpenNebula
16 3 (0.063%) Rundeck
17 2 (0.042%) ZABBIX
Vendors
1 464 (9.77%) Microsoft
2 281 (5.91%) Oracle
3 258 (5.43%) Google
4 200 (4.21%) VMware
5 196 (4.13%) Okta
6 128 (2.69%) Samsung
7 71 (1.49%) Salesforce.com
8 61 (1.28%) Apple
9 40 (0.84%) Facebook
10 39 (0.82%) Atlassian
11 37 (0.78%) Xamarin
12 36 (0.76%) Adobe
13 32 (0.67%) Rackspace
13 32 (0.67%) Splunk
14 31 (0.65%) IBM
14 31 (0.65%) MuleSoft
15 29 (0.61%) New Relic
16 28 (0.59%) ServiceNow
17 27 (0.57%) YouTube
18 25 (0.53%) Mercator