Period
to 17 September 2021

The following table provides summary statistics for permanent job vacancies advertised in London 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 17 September 2021 with a comparison to the same period in the previous 2 years.

RESTful
England > London
6 months to
17 Sep 2021
Same period 2020 Same period 2019
Rank 72 103 81
Rank change year-on-year +31 -22 -18
Permanent jobs citing RESTful 2,121 688 2,142
As % of all permanent jobs advertised in London 4.33% 3.27% 3.82%
As % of the Libraries, Frameworks & Software Standards category 9.07% 7.19% 9.80%
Number of salaries quoted 920 570 1,809
10th Percentile £47,500 £47,500 £38,750
25th Percentile £56,250 £55,000 £47,500
Median annual salary (50th Percentile) £70,000 £70,000 £65,000
Median % change year-on-year - +7.69% +4.00%
75th Percentile £85,000 £80,000 £80,000
90th Percentile £97,500 £93,875 £90,000
England median annual salary £60,000 £55,000 £55,000
% change year-on-year +9.09% - +4.76%

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 advertised in London with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
London
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 23,395 9,567 21,859
As % of all permanent IT jobs advertised in London 47.79% 45.47% 38.94%
Number of salaries quoted 13,279 8,136 18,393
10th Percentile £46,250 £46,250 £40,000
25th Percentile £56,250 £55,000 £51,250
Median annual salary (50th Percentile) £72,500 £70,000 £67,500
Median % change year-on-year +3.57% +3.70% +3.85%
75th Percentile £90,000 £90,000 £85,000
90th Percentile £110,000 £115,000 £100,000
England median annual salary £60,000 £57,500 £55,000
% change year-on-year +4.35% +4.55% +6.80%

RESTful
Job Vacancy Trend in London

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

Job vacancy trend for RESTful in London

RESTful
Salary Trend in London

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

Salary trend for RESTful in London

RESTful
Salary Histogram in London

Salary distribution for jobs citing RESTful in London over the 6 months to 17 September 2021.

Salary histogram for RESTful in London

RESTful
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing RESTful within the London region over the 6 months to 17 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
Central London -58 121 £70,000 -6.67% 93
West London -33 69 £68,750 -5.17% 53
South London -8 57 £63,750 +2.00% 10
East London -6 7 £55,000 -31.25% 28
North London - 1 £50,000 - 2
RESTful
England

For the 6 months to 17 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 across the London region with a requirement for RESTful.

1 1,331 (62.75%) Agile Software Development
2 971 (45.78%) JavaScript
3 800 (37.72%) React
4 757 (35.69%) AWS
5 723 (34.09%) Java
6 715 (33.71%) Microservices
7 706 (33.29%) Software Engineering
8 688 (32.44%) Docker
9 619 (29.18%) REST
10 607 (28.62%) CSS
11 595 (28.05%) Finance
12 583 (27.49%) SQL
12 583 (27.49%) TDD
13 565 (26.64%) Git (software)
14 555 (26.17%) HTML
15 540 (25.46%) Full Stack Development
16 532 (25.08%) C#
17 513 (24.19%) Node.js
17 513 (24.19%) Social Skills
18 496 (23.39%) AngularJS
19 494 (23.29%) .NET
20 477 (22.49%) Test Automation
21 470 (22.16%) TypeScript
22 466 (21.97%) Azure
23 458 (21.59%) Python
24 455 (21.45%) Kubernetes
25 432 (20.37%) NoSQL
26 424 (19.99%) Continuous Integration
27 403 (19.00%) DevOps
28 392 (18.48%) Web Services

RESTful
Co-occurring IT Skills in London 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
1 127 (5.99%) Elasticsearch
2 111 (5.23%) Confluence
3 94 (4.43%) CMS
4 42 (1.98%) Apache Spark
5 34 (1.60%) Apache Airflow
6 33 (1.56%) Apache
6 33 (1.56%) Tornado
6 33 (1.56%) WordPress
7 31 (1.46%) Apache Solr
8 25 (1.18%) Tomcat
9 15 (0.71%) Camunda
9 15 (0.71%) nginx
10 14 (0.66%) Oracle Coherence
11 13 (0.61%) IBM Domino
12 7 (0.33%) Mule
13 6 (0.28%) Kentico
13 6 (0.28%) WebSphere
14 5 (0.24%) Adobe Experience Manager
14 5 (0.24%) Apache Pig
14 5 (0.24%) JBoss
Applications
1 22 (1.04%) Adobe Illustrator
1 22 (1.04%) Photoshop
2 17 (0.80%) GIMP
3 8 (0.38%) Figma
3 8 (0.38%) Microsoft Excel
4 5 (0.24%) Fireworks
5 4 (0.19%) Sketch
6 3 (0.14%) Spreadsheet
6 3 (0.14%) Zeplin
7 1 (0.047%) Microsoft PowerPoint
7 1 (0.047%) MS Visio
Business Applications
1 26 (1.23%) Distributed Ledger
2 13 (0.61%) R3 Corda
3 11 (0.52%) Payment Gateway
3 11 (0.52%) Shopify
4 6 (0.28%) Magento
5 3 (0.14%) Oracle BPM
6 2 (0.094%) IBM Operational Decision Manager
6 2 (0.094%) SAP Business One
6 2 (0.094%) SAP ERP
7 1 (0.047%) BASE24
7 1 (0.047%) Dynamics AX
7 1 (0.047%) Dynamics CRM
7 1 (0.047%) NetSuite
7 1 (0.047%) Sentinel
Cloud Services
1 757 (35.69%) AWS
2 466 (21.97%) Azure
3 292 (13.77%) GitHub
4 211 (9.95%) GCP
5 204 (9.62%) Serverless
6 185 (8.72%) SaaS
7 99 (4.67%) npm
8 87 (4.10%) AWS Lambda
9 66 (3.11%) Amazon S3
10 57 (2.69%) Amazon EC2
11 55 (2.59%) PaaS
12 48 (2.26%) Azure Functions
13 45 (2.12%) Cloud Computing
14 36 (1.70%) AWS Elastic Beanstalk
15 35 (1.65%) Amazon Kinesis
16 30 (1.41%) Amazon CloudWatch
17 26 (1.23%) AWS CloudFormation
18 24 (1.13%) Heroku
19 21 (0.99%) Amazon EKS
19 21 (0.99%) BlazeMeter
Communications & Networking
1 204 (9.62%) HTTP
2 43 (2.03%) Internet
3 38 (1.79%) Broadband
4 17 (0.80%) SSL
5 13 (0.61%) Firewall
6 10 (0.47%) DNS
7 9 (0.42%) TCP/IP
8 7 (0.33%) AMQP
9 6 (0.28%) SWIFTNet
10 5 (0.24%) Kerberos
11 4 (0.19%) 5G
11 4 (0.19%) Network Security
11 4 (0.19%) Wireless
11 4 (0.19%) Wireshark
12 2 (0.094%) BIG-IP
12 2 (0.094%) MQTT
12 2 (0.094%) NetScaler
12 2 (0.094%) VPN
13 1 (0.047%) ATM
13 1 (0.047%) HTTPS
Database & Business Intelligence
1 432 (20.37%) NoSQL
2 365 (17.21%) Relational Database
3 308 (14.52%) PostgreSQL
4 220 (10.37%) MongoDB
5 209 (9.85%) MySQL
6 164 (7.73%) Redis
7 155 (7.31%) SQL Server
8 97 (4.57%) Amazon DynamoDB
9 56 (2.64%) RDBMS
10 53 (2.50%) Blockchain
11 46 (2.17%) Big Data
12 40 (1.89%) Amazon RDS
13 38 (1.79%) Hadoop
14 33 (1.56%) Oracle Database
15 26 (1.23%) Apache Cassandra
15 26 (1.23%) Couchbase
16 24 (1.13%) BigQuery
17 19 (0.90%) Azure SQL Database
18 13 (0.61%) Apache Hive
18 13 (0.61%) MariaDB
Development Applications
1 565 (26.64%) Git (software)
2 335 (15.79%) Jenkins
3 216 (10.18%) JIRA
4 163 (7.69%) JUnit
5 152 (7.17%) TeamCity
6 150 (7.07%) Maven
7 116 (5.47%) webpack
8 103 (4.86%) Mockito
9 91 (4.29%) Octopus Deploy
10 79 (3.72%) Selenium
11 74 (3.49%) GitLab
12 66 (3.11%) Bitbucket
13 58 (2.73%) SonarQube
14 56 (2.64%) Gradle
15 55 (2.59%) Cucumber
15 55 (2.59%) Postman
16 49 (2.31%) Mocha
17 48 (2.26%) JMeter
18 44 (2.07%) Cypress.io
18 44 (2.07%) SpecFlow
General
1 595 (28.05%) Finance
2 513 (24.19%) Social Skills
3 211 (9.95%) Games
4 189 (8.91%) Banking
5 161 (7.59%) Retail
6 108 (5.09%) Marketing
7 73 (3.44%) Analytical Skills
7 73 (3.44%) Publishing
8 63 (2.97%) Advertising
9 62 (2.92%) Legal
10 59 (2.78%) Public Sector
11 50 (2.36%) Back Office
12 44 (2.07%) Inclusion and Diversity
13 42 (1.98%) Online Betting
14 29 (1.37%) Investment Banking
15 28 (1.32%) Law
16 24 (1.13%) Documentation Skills
16 24 (1.13%) Retail Banking
17 22 (1.04%) Financial Institution
18 17 (0.80%) Front Office
Job Titles
1 1,096 (51.67%) Developer
2 419 (19.75%) Software Engineer
3 294 (13.86%) Senior Developer
4 248 (11.69%) Java Developer
5 226 (10.66%) Full Stack Developer
6 160 (7.54%) Senior Software Engineer
7 134 (6.32%) Front End Developer (Client-Side Developer)
8 121 (5.70%) Backend Developer
9 99 (4.67%) Software Developer
10 95 (4.48%) .NET Developer
11 87 (4.10%) React Developer
12 80 (3.77%) Senior Java Developer
13 77 (3.63%) Java Engineer
14 74 (3.49%) PHP Developer
15 61 (2.88%) Lead Developer
16 46 (2.17%) Senior Java Engineer
17 43 (2.03%) Python Developer
18 42 (1.98%) Principal Engineer
19 41 (1.93%) Senior Front-End Developer
19 41 (1.93%) Senior Full Stack Developer
Libraries, Frameworks & Software Standards
1 800 (37.72%) React
2 619 (29.18%) REST
3 607 (28.62%) CSS
4 555 (26.17%) HTML
5 513 (24.19%) Node.js
6 496 (23.39%) AngularJS
7 494 (23.29%) .NET
8 392 (18.48%) Web Services
9 390 (18.39%) Spring
10 240 (11.32%) HTML5
11 226 (10.66%) JSON
12 225 (10.61%) Spring Boot
13 217 (10.23%) GraphQL
14 214 (10.09%) .NET Core
15 209 (9.85%) Redux
16 187 (8.82%) Vue.js
17 152 (7.17%) CSS3
18 151 (7.12%) Kafka
19 141 (6.65%) Sass
20 137 (6.46%) .NET Framework
Miscellaneous
1 320 (15.09%) User Experience
2 187 (8.82%) Mobile App
3 92 (4.34%) Blog
4 90 (4.24%) Self-Motivation
5 81 (3.82%) Algorithms
6 76 (3.58%) Greenfield Project
7 65 (3.06%) NHS
8 61 (2.88%) Virtual Team
9 51 (2.40%) Client/Server
9 51 (2.40%) Enterprise Software
10 44 (2.07%) Data Structures
11 43 (2.03%) Social Media
12 41 (1.93%) Foreign Exchange (FX)
13 39 (1.84%) Cloud Native
14 38 (1.79%) Social Network
15 28 (1.32%) Online Banking
15 28 (1.32%) Public Cloud
16 27 (1.27%) iPhone
17 24 (1.13%) Legacy Code
18 22 (1.04%) Marketing Technology
Operating Systems
1 193 (9.10%) Linux
2 144 (6.79%) Android
3 129 (6.08%) Apple iOS
4 108 (5.09%) Unix
5 54 (2.55%) Windows
6 6 (0.28%) tvOS
6 6 (0.28%) VMS
7 5 (0.24%) Mac OS
7 5 (0.24%) watchOS
8 4 (0.19%) Tizen
8 4 (0.19%) webOS
8 4 (0.19%) Windows Server
9 3 (0.14%) CentOS
9 3 (0.14%) Fedora
9 3 (0.14%) FreeBSD
9 3 (0.14%) Ubuntu
10 2 (0.094%) Embedded Linux
10 2 (0.094%) Red Hat Enterprise Linux
11 1 (0.047%) Solaris
Processes & Methodologies
1 1,331 (62.75%) Agile Software Development
2 715 (33.71%) Microservices
3 706 (33.29%) Software Engineering
4 583 (27.49%) TDD
5 540 (25.46%) Full Stack Development
6 477 (22.49%) Test Automation
7 424 (19.99%) Continuous Integration
8 403 (19.00%) DevOps
9 389 (18.34%) Scrum
10 350 (16.50%) Fintech
11 328 (15.46%) OOP
12 296 (13.96%) Open Source
13 285 (13.44%) Front End Development
13 285 (13.44%) OO
14 284 (13.39%) Computer Science
15 273 (12.87%) Continuous Improvement
16 256 (12.07%) BDD
17 248 (11.69%) Clean Code
18 242 (11.41%) Problem-Solving
19 234 (11.03%) Mentoring
Programming Languages
1 971 (45.78%) JavaScript
2 723 (34.09%) Java
3 583 (27.49%) SQL
4 532 (25.08%) C#
5 470 (22.16%) TypeScript
6 458 (21.59%) Python
7 169 (7.97%) PHP
8 133 (6.27%) Java 8
9 121 (5.70%) Kotlin
10 118 (5.56%) Scala
11 117 (5.52%) ES6
12 109 (5.14%) Go
13 95 (4.48%) Ruby
14 61 (2.88%) C++
15 56 (2.64%) C
16 53 (2.50%) Java 11
17 50 (2.36%) Shell Script
18 42 (1.98%) Apple Swift
19 37 (1.74%) Elixir
19 37 (1.74%) R
Qualifications
1 258 (12.16%) Degree
2 174 (8.20%) Computer Science Degree
3 38 (1.79%) Security Cleared
4 25 (1.18%) Numerate Degree
4 25 (1.18%) SC Cleared
5 22 (1.04%) Master's Degree
6 7 (0.33%) ISEB
7 6 (0.28%) ISTQB
7 6 (0.28%) SAFe Agilist
8 4 (0.19%) MOS
9 3 (0.14%) PhD
10 2 (0.094%) (ISC)2 CCSP
10 2 (0.094%) AWS Certification
10 2 (0.094%) CESG Certified Professional
10 2 (0.094%) Cisco Certification
10 2 (0.094%) MBA
11 1 (0.047%) Microsoft Certification
11 1 (0.047%) SAS Certification
Quality Assurance & Compliance
1 305 (14.38%) QA
2 40 (1.89%) Accessibility
3 14 (0.66%) PMO
4 9 (0.42%) GDPR
5 6 (0.28%) Data Quality
5 6 (0.28%) ISO 15022
5 6 (0.28%) ISO 20022
6 5 (0.24%) GRC
7 2 (0.094%) IASME
7 2 (0.094%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
7 2 (0.094%) NIST
7 2 (0.094%) WCAG
8 1 (0.047%) ISO 8583
System Software
1 688 (32.44%) Docker
2 15 (0.71%) Postfix
3 13 (0.61%) Apache ZooKeeper
4 8 (0.38%) Active Directory
5 3 (0.14%) LXC
5 3 (0.14%) OpenAM
5 3 (0.14%) OpenDJ
5 3 (0.14%) Varnish
6 2 (0.094%) HDFS
7 1 (0.047%) VMware Infrastructure
Systems Management
1 455 (21.45%) Kubernetes
2 197 (9.29%) Terraform
3 78 (3.68%) Ansible
4 42 (1.98%) Opscode Chef
5 41 (1.93%) Puppet
6 38 (1.79%) Docker Swarm
7 13 (0.61%) Istio
8 11 (0.52%) Prometheus
9 10 (0.47%) Grafana
10 7 (0.33%) HP Quality Center
11 6 (0.28%) Kibana
12 5 (0.24%) Single Sign-On
13 4 (0.19%) logstash
14 3 (0.14%) Rundeck
15 2 (0.094%) CASB
15 2 (0.094%) Hadoop YARN
15 2 (0.094%) Packer
16 1 (0.047%) MIIS
16 1 (0.047%) Zipkin
Vendors
1 201 (9.48%) Microsoft
2 130 (6.13%) Samsung
3 127 (5.99%) Oracle
4 124 (5.85%) Google
5 49 (2.31%) Apple
6 36 (1.70%) Salesforce.com
7 35 (1.65%) Facebook
8 28 (1.32%) Atlassian
9 25 (1.18%) New Relic
10 23 (1.08%) Adobe
11 22 (1.04%) Snapchat
11 22 (1.04%) Xamarin
12 17 (0.80%) Sony
13 16 (0.75%) Solace
14 15 (0.71%) ServiceNow
15 14 (0.66%) BT
15 14 (0.66%) Reuters
15 14 (0.66%) Splunk
16 10 (0.47%) IBM
17 9 (0.42%) Bloomberg