Job Vacancy Trend Salary Trend Salary Histogram Job Locations Skill Sets
Period
to 19 June 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 19 June 2021 with a comparison to the same period in the previous 2 years.

RESTful
England > London
6 months to
19 Jun 2021		 Same period 2020 Same period 2019
Rank 75 107 71
Rank change year-on-year +32 -36 -5
Permanent jobs citing RESTful 1,631 1,056 2,292
As % of all permanent jobs advertised in London 4.17% 3.09% 3.98%
As % of the Libraries, Frameworks & Software Standards category 8.90% 7.48% 10.19%
Number of salaries quoted 756 865 1,939
10th Percentile £48,072 £45,000 £38,750
25th Percentile £56,250 £52,500 £48,750
Median annual salary (50th Percentile) £70,000 £67,500 £65,000
Median % change year-on-year +3.70% +3.85% +4.00%
75th Percentile £83,750 £81,250 £78,750
90th Percentile £96,330 £90,000 £90,000
England median annual salary £57,500 £57,500 £55,000
% change year-on-year - +4.55% +10.00%

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 18,335 14,119 22,501
As % of all permanent IT jobs advertised in London 46.84% 41.37% 39.11%
Number of salaries quoted 11,674 11,741 18,902
10th Percentile £45,000 £43,750 £38,750
25th Percentile £55,000 £53,625 £50,000
Median annual salary (50th Percentile) £71,925 £70,000 £67,000
Median % change year-on-year +2.75% +4.48% +7.20%
75th Percentile £90,000 £87,500 £83,750
90th Percentile £107,500 £105,000 £96,250
England median annual salary £57,500 £56,500 £53,000
% change year-on-year +1.77% +6.60% +6.00%

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 19 June 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 19 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
Central London -24 119 £67,500 -6.90% 94
South London +2 55 £61,402 -5.54% 4
West London -12 42 £65,571 +24.90% 58
East London +15 7 £57,500 - 17
North London +18 1 £50,000 -9.09%
RESTful
England

For the 6 months to 19 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 across the London region with a requirement for RESTful.

1 1,023 (62.72%) Agile Software Development
2 717 (43.96%) JavaScript
3 617 (37.83%) Java
4 555 (34.03%) AWS
4 555 (34.03%) Microservices
5 527 (32.31%) Software Engineering
6 504 (30.90%) Docker
7 500 (30.66%) REST
8 481 (29.49%) Git (software)
9 463 (28.39%) CSS
10 457 (28.02%) TDD
11 456 (27.96%) React
12 437 (26.79%) Finance
13 429 (26.30%) HTML
14 420 (25.75%) SQL
15 418 (25.63%) C#
16 416 (25.51%) Python
17 398 (24.40%) AngularJS
18 389 (23.85%) Social Skills
19 368 (22.56%) Node.js
20 366 (22.44%) Test Automation
21 355 (21.77%) .NET
22 344 (21.09%) TypeScript
23 330 (20.23%) Azure
24 318 (19.50%) Kubernetes
25 314 (19.25%) Continuous Integration
26 301 (18.45%) DevOps
27 297 (18.21%) Spring
28 295 (18.09%) Web Services
29 294 (18.03%) Relational Database

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
1 116 (7.11%) Confluence
2 111 (6.81%) Elasticsearch
3 41 (2.51%) Apache
4 39 (2.39%) Apache Spark
5 35 (2.15%) CMS
6 26 (1.59%) Tomcat
7 25 (1.53%) Tornado
8 23 (1.41%) Apache Solr
9 18 (1.10%) WordPress
10 16 (0.98%) Apache Airflow
11 14 (0.86%) Oracle Coherence
12 13 (0.80%) nginx
13 8 (0.49%) JBoss
14 7 (0.43%) WebSphere
15 6 (0.37%) IBM Domino
16 5 (0.31%) Adobe Experience Manager
16 5 (0.31%) Drupal
16 5 (0.31%) GlassFish
16 5 (0.31%) Oracle SOA Suite
17 4 (0.25%) Mule
Applications
1 11 (0.67%) Adobe Illustrator
1 11 (0.67%) GIMP
1 11 (0.67%) Photoshop
2 10 (0.61%) Figma
3 9 (0.55%) Microsoft Excel
3 9 (0.55%) Sketch
4 5 (0.31%) Adobe XD
5 3 (0.18%) Zeplin
6 2 (0.12%) Chatbot
7 1 (0.061%) Microsoft PowerPoint
7 1 (0.061%) MS Visio
7 1 (0.061%) Spreadsheet
Business Applications
1 15 (0.92%) Distributed Ledger
2 8 (0.49%) Magento
2 8 (0.49%) Shopify
3 6 (0.37%) Payment Gateway
4 5 (0.31%) Dynamics CRM
4 5 (0.31%) IBM Operational Decision Manager
5 2 (0.12%) SAP Business One
5 2 (0.12%) SAP ERP
6 1 (0.061%) BASE24
6 1 (0.061%) Dynamics AX
6 1 (0.061%) Dynamics NAV
6 1 (0.061%) Infor M3
6 1 (0.061%) NetSuite
6 1 (0.061%) R3 Corda
6 1 (0.061%) Sentinel
Cloud Services
1 555 (34.03%) AWS
2 330 (20.23%) Azure
3 167 (10.24%) Serverless
4 156 (9.56%) GitHub
5 153 (9.38%) SaaS
6 132 (8.09%) GCP
7 66 (4.05%) Amazon S3
7 66 (4.05%) AWS Lambda
8 61 (3.74%) npm
9 47 (2.88%) Amazon EC2
10 33 (2.02%) Amazon Kinesis
10 33 (2.02%) Cloud Computing
11 32 (1.96%) AWS Elastic Beanstalk
11 32 (1.96%) PaaS
12 31 (1.90%) AWS CloudFormation
13 27 (1.66%) Amazon Alexa
13 27 (1.66%) Azure Functions
14 26 (1.59%) Amazon SQS
15 19 (1.16%) Amazon CloudWatch
15 19 (1.16%) Azure Service Bus
Communications & Networking
1 150 (9.20%) HTTP
2 29 (1.78%) Internet
3 19 (1.16%) SSL
4 16 (0.98%) Broadband
5 7 (0.43%) Network Security
6 5 (0.31%) TCP/IP
7 4 (0.25%) AMQP
7 4 (0.25%) MQTT
7 4 (0.25%) Wireless
8 3 (0.18%) Firewall
9 2 (0.12%) DNS
9 2 (0.12%) DSL
9 2 (0.12%) Ethernet
9 2 (0.12%) VPN
9 2 (0.12%) Wireshark
10 1 (0.061%) ATM
10 1 (0.061%) FTP
10 1 (0.061%) HTTPS
10 1 (0.061%) ICMP
10 1 (0.061%) SMS
Database & Business Intelligence
1 294 (18.03%) Relational Database
2 286 (17.54%) NoSQL
3 232 (14.22%) PostgreSQL
4 163 (9.99%) MySQL
5 137 (8.40%) MongoDB
6 97 (5.95%) SQL Server
7 89 (5.46%) Amazon DynamoDB
8 80 (4.90%) Redis
9 55 (3.37%) RDBMS
10 36 (2.21%) Big Data
11 32 (1.96%) Amazon RDS
12 31 (1.90%) Hadoop
13 27 (1.66%) Blockchain
14 25 (1.53%) Oracle Database
15 21 (1.29%) Apache Hive
16 19 (1.16%) BigQuery
17 17 (1.04%) Couchbase
18 14 (0.86%) Apache Cassandra
18 14 (0.86%) SQL Server 2012
19 12 (0.74%) MariaDB
Development Applications
1 481 (29.49%) Git (software)
2 229 (14.04%) Jenkins
3 174 (10.67%) JIRA
4 130 (7.97%) JUnit
5 123 (7.54%) Maven
6 98 (6.01%) TeamCity
7 80 (4.90%) webpack
8 64 (3.92%) Mockito
9 62 (3.80%) Selenium
10 60 (3.68%) Bitbucket
11 58 (3.56%) Octopus Deploy
11 58 (3.56%) SonarQube
12 55 (3.37%) GitLab
13 45 (2.76%) Cypress.io
14 40 (2.45%) JMeter
15 38 (2.33%) Cucumber
16 35 (2.15%) Babel
16 35 (2.15%) jMock
17 34 (2.08%) DbUnit
18 33 (2.02%) Gradle
General
1 437 (26.79%) Finance
2 389 (23.85%) Social Skills
3 198 (12.14%) Games
4 147 (9.01%) Banking
5 122 (7.48%) Retail
6 88 (5.40%) Marketing
7 65 (3.99%) Publishing
8 58 (3.56%) Analytical Skills
9 57 (3.49%) Advertising
10 50 (3.07%) Public Sector
11 44 (2.70%) Legal
12 39 (2.39%) Back Office
13 33 (2.02%) Online Betting
14 18 (1.10%) Law
15 15 (0.92%) Documentation Skills
16 13 (0.80%) Investment Banking
16 13 (0.80%) Public Speaking
17 11 (0.67%) Brand Awareness
17 11 (0.67%) Retail Banking
17 11 (0.67%) Telecoms
Job Titles
1 848 (51.99%) Developer
2 308 (18.88%) Software Engineer
3 199 (12.20%) Senior Developer
4 196 (12.02%) Java Developer
5 166 (10.18%) Full Stack Developer
6 110 (6.74%) Senior Software Engineer
7 103 (6.32%) Backend Developer
8 91 (5.58%) Front End Developer (Client-Side Developer)
9 87 (5.33%) Software Developer
10 73 (4.48%) React Developer
11 70 (4.29%) .NET Developer
12 60 (3.68%) Java Engineer
12 60 (3.68%) Senior Java Developer
13 57 (3.49%) PHP Developer
14 47 (2.88%) Python Developer
15 39 (2.39%) C# Developer
16 31 (1.90%) Lead Developer
17 29 (1.78%) C# Software Engineer
17 29 (1.78%) Senior Front-End Developer
18 28 (1.72%) Angular Developer
Libraries, Frameworks & Software Standards
1 500 (30.66%) REST
2 463 (28.39%) CSS
3 456 (27.96%) React
4 429 (26.30%) HTML
5 398 (24.40%) AngularJS
6 368 (22.56%) Node.js
7 355 (21.77%) .NET
8 297 (18.21%) Spring
9 295 (18.09%) Web Services
10 214 (13.12%) HTML5
11 190 (11.65%) GraphQL
12 180 (11.04%) JSON
13 163 (9.99%) Redux
14 151 (9.26%) Vue.js
15 147 (9.01%) .NET Core
16 140 (8.58%) Spring Boot
17 130 (7.97%) Kafka
18 124 (7.60%) Sass
19 117 (7.17%) CSS3
19 117 (7.17%) Hibernate
Miscellaneous
1 241 (14.78%) User Experience
2 170 (10.42%) Mobile App
3 75 (4.60%) Blog
4 74 (4.54%) Self-Motivation
5 48 (2.94%) Virtual Team
6 47 (2.88%) Algorithms
7 45 (2.76%) NHS
8 43 (2.64%) Client/Server
9 35 (2.15%) Greenfield Project
10 32 (1.96%) Public Cloud
11 29 (1.78%) Data Structures
12 28 (1.72%) Cloud Native
13 26 (1.59%) Online Banking
14 24 (1.47%) Foreign Exchange (FX)
14 24 (1.47%) Social Network
15 20 (1.23%) Social Media
16 18 (1.10%) Enterprise Software
16 18 (1.10%) Marketing Technology
16 18 (1.10%) Online Games
17 15 (0.92%) Digital Media
Operating Systems
1 192 (11.77%) Linux
2 121 (7.42%) Android
3 92 (5.64%) Apple iOS
4 81 (4.97%) Unix
5 52 (3.19%) Windows
6 7 (0.43%) Ubuntu
7 6 (0.37%) tvOS
8 4 (0.25%) Embedded Linux
8 4 (0.25%) watchOS
9 3 (0.18%) Fedora
10 2 (0.12%) CentOS
10 2 (0.12%) Mac OS
10 2 (0.12%) Red Hat Enterprise Linux
10 2 (0.12%) Tizen
10 2 (0.12%) webOS
11 1 (0.061%) Debian
11 1 (0.061%) FreeBSD
11 1 (0.061%) Solaris
11 1 (0.061%) VMS
Processes & Methodologies
1 1,023 (62.72%) Agile Software Development
2 555 (34.03%) Microservices
3 527 (32.31%) Software Engineering
4 457 (28.02%) TDD
5 366 (22.44%) Test Automation
6 314 (19.25%) Continuous Integration
7 301 (18.45%) DevOps
8 272 (16.68%) Scrum
9 267 (16.37%) Fintech
10 250 (15.33%) Open Source
11 241 (14.78%) OOP
12 224 (13.73%) OO
13 202 (12.39%) Computer Science
14 197 (12.08%) Front End Development
15 192 (11.77%) BDD
16 176 (10.79%) Mentoring
17 172 (10.55%) Continuous Improvement
18 163 (9.99%) SDLC
19 151 (9.26%) MVC
20 147 (9.01%) Problem-Solving
Programming Languages
1 717 (43.96%) JavaScript
2 617 (37.83%) Java
3 420 (25.75%) SQL
4 418 (25.63%) C#
5 416 (25.51%) Python
6 344 (21.09%) TypeScript
7 138 (8.46%) Java 8
8 136 (8.34%) PHP
9 128 (7.85%) Scala
10 109 (6.68%) ES6
11 100 (6.13%) Kotlin
12 94 (5.76%) Go
13 87 (5.33%) Ruby
14 52 (3.19%) C
15 51 (3.13%) C++
16 36 (2.21%) R
17 35 (2.15%) Shell Script
18 34 (2.08%) Groovy
19 28 (1.72%) Elixir
20 24 (1.47%) Apple Swift
Qualifications
1 192 (11.77%) Degree
2 131 (8.03%) Computer Science Degree
3 23 (1.41%) Security Cleared
4 19 (1.16%) SC Cleared
5 13 (0.80%) Master's Degree
6 5 (0.31%) Numerate Degree
7 4 (0.25%) Microsoft Certification
7 4 (0.25%) MOS
7 4 (0.25%) PhD
8 3 (0.18%) MBA
9 1 (0.061%) SAS Certification
Quality Assurance & Compliance
1 177 (10.85%) QA
2 24 (1.47%) Accessibility
3 14 (0.86%) PMO
4 6 (0.37%) GDPR
5 2 (0.12%) GRC
5 2 (0.12%) WCAG
6 1 (0.061%) ISO 15022
6 1 (0.061%) ISO 20022
6 1 (0.061%) ISO 8583
6 1 (0.061%) ISO/IEC 27001
System Software
1 504 (30.90%) Docker
2 11 (0.67%) Apache ZooKeeper
3 7 (0.43%) Postfix
4 4 (0.25%) Active Directory
5 3 (0.18%) OpenAM
5 3 (0.18%) OpenDJ
6 2 (0.12%) Varnish
6 2 (0.12%) VMware Infrastructure
7 1 (0.061%) Hyper-V
7 1 (0.061%) LXC
7 1 (0.061%) vSphere
7 1 (0.061%) Xen
Systems Management
1 318 (19.50%) Kubernetes
2 111 (6.81%) Terraform
3 49 (3.00%) Ansible
4 31 (1.90%) Opscode Chef
5 26 (1.59%) Puppet
6 23 (1.41%) Docker Swarm
7 17 (1.04%) HP Quality Center
8 11 (0.67%) Prometheus
9 6 (0.37%) Grafana
9 6 (0.37%) Kibana
10 2 (0.12%) Hadoop YARN
10 2 (0.12%) Packer
11 1 (0.061%) CA Service Virtualization
11 1 (0.061%) Consul
11 1 (0.061%) logstash
11 1 (0.061%) Mesos
11 1 (0.061%) Rundeck
11 1 (0.061%) Salt
11 1 (0.061%) systemd
11 1 (0.061%) Zipkin
Vendors
1 155 (9.50%) Microsoft
2 119 (7.30%) Oracle
3 104 (6.38%) Google
4 79 (4.84%) Samsung
5 33 (2.02%) Atlassian
6 32 (1.96%) Salesforce.com
7 31 (1.90%) Apple
8 26 (1.59%) Facebook
9 22 (1.35%) Adobe
10 18 (1.10%) Solace
11 17 (1.04%) HP
11 17 (1.04%) Snapchat
11 17 (1.04%) Xamarin
12 13 (0.80%) Sony
13 12 (0.74%) IBM
14 10 (0.61%) SAP
15 9 (0.55%) Splunk
15 9 (0.55%) YouTube
15 9 (0.55%) Zend
16 8 (0.49%) DocuSign