Period
to 8 March 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 8 March 2021 with a comparison to the same period in the previous 2 years.

RESTful
England > London
6 months to
8 Mar 2021
Same period 2020 Same period 2019
Rank 96 88 67
Rank change year-on-year -8 -21 +5
Permanent jobs citing RESTful 923 1,794 2,568
As % of all permanent jobs advertised in London 3.26% 3.59% 4.14%
As % of the Libraries, Frameworks & Software Standards category 7.43% 8.89% 10.21%
Number of salaries quoted 828 1,659 2,482
Median annual salary £67,500 £65,000 £62,500
Median salary % change year-on-year +3.85% +4.00% -
10th Percentile £45,000 £42,500 £35,000
90th Percentile £87,875 £92,500 £90,000
England median annual salary £55,000 £57,500 £55,000
% change year-on-year -4.35% +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 12,418 20,175 25,163
As % of all permanent IT jobs advertised in London 43.86% 40.40% 40.59%
Number of salaries quoted 10,237 16,744 21,082
Median annual salary £70,000 £70,000 £65,000
Median salary % change year-on-year - +7.69% +8.33%
10th Percentile £45,000 £42,114 £38,750
90th Percentile £105,000 £105,000 £95,000
England median annual salary £57,500 £55,000 £52,500
% change year-on-year +4.55% +4.76% +5.00%

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 8 March 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 8 March 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 -30 138 £68,500 -5.52% 80
South London +38 49 £60,000 -5.88% 4
West London +24 23 £42,500 -19.05% 50
East London +16 6 £62,500 +19.05% 22
RESTful
England

For the 6 months to 8 March 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.

1 520 (56.34%) Agile Software Development
2 407 (44.10%) Java
3 349 (37.81%) JavaScript
4 317 (34.34%) Git (software)
5 306 (33.15%) Microservices
6 304 (32.94%) AWS
7 288 (31.20%) TDD
8 234 (25.35%) Docker
9 231 (25.03%) C#
10 216 (23.40%) Python
11 214 (23.19%) Finance
12 207 (22.43%) DevOps
13 205 (22.21%) HTML
14 204 (22.10%) CSS
15 203 (21.99%) Azure
16 199 (21.56%) Continuous Integration
17 195 (21.13%) SQL
18 191 (20.69%) AngularJS
19 187 (20.26%) .NET
20 184 (19.93%) React
21 183 (19.83%) Software Engineering
22 181 (19.61%) Test Automation
23 179 (19.39%) Spring
24 176 (19.07%) Node.js
25 172 (18.63%) JSON
26 168 (18.20%) Kubernetes
27 162 (17.55%) Web Services
28 154 (16.68%) NoSQL
29 147 (15.93%) TypeScript
30 134 (14.52%) Scrum

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 71 (7.69%) Elasticsearch
2 65 (7.04%) Confluence
3 43 (4.66%) Apache
3 43 (4.66%) Apache Spark
4 24 (2.60%) JBoss
5 22 (2.38%) Red Hat Fuse
6 20 (2.17%) Apache ServiceMix
7 11 (1.19%) CMS
7 11 (1.19%) WebSphere
8 8 (0.87%) Apache Solr
8 8 (0.87%) WordPress
9 7 (0.76%) Apache Airflow
9 7 (0.76%) nginx
9 7 (0.76%) Tomcat
10 6 (0.65%) IIS
10 6 (0.65%) Tornado
11 5 (0.54%) Mule
12 4 (0.43%) Oracle SOA Suite
12 4 (0.43%) SharePoint
13 3 (0.33%) Oracle Application Server
Applications
1 40 (4.33%) Adobe XD
1 40 (4.33%) Figma
1 40 (4.33%) Sketch
2 21 (2.28%) Microsoft Excel
3 5 (0.54%) Spreadsheet
4 2 (0.22%) Chatbot
5 1 (0.11%) Photoshop
Business Applications
1 7 (0.76%) Dynamics CRM
2 6 (0.65%) Payment Gateway
3 3 (0.33%) IBM Operational Decision Manager
4 2 (0.22%) Shopify
5 1 (0.11%) Infor M3
5 1 (0.11%) Magento
5 1 (0.11%) Sentinel
Cloud Services
1 304 (32.94%) AWS
2 203 (21.99%) Azure
3 95 (10.29%) SaaS
4 59 (6.39%) Serverless
5 53 (5.74%) GCP
6 41 (4.44%) GitHub
7 32 (3.47%) npm
8 26 (2.82%) Amazon SQS
8 26 (2.82%) Boomi
9 23 (2.49%) Amazon Alexa
10 22 (2.38%) Amazon S3
11 20 (2.17%) Amazon EC2
12 18 (1.95%) AWS Lambda
13 14 (1.52%) Amazon Kinesis
14 13 (1.41%) Azure Functions
14 13 (1.41%) Cloud Computing
14 13 (1.41%) PaaS
15 11 (1.19%) CloudFront
16 10 (1.08%) Dynamics 365
17 9 (0.98%) Slack
Communications & Networking
1 70 (7.58%) HTTP
2 19 (2.06%) TCP/IP
3 16 (1.73%) SSL
4 13 (1.41%) Firewall
5 5 (0.54%) Internet
6 4 (0.43%) Asterisk PBX
6 4 (0.43%) DNS
6 4 (0.43%) ICMP
6 4 (0.43%) Unified Communications
7 3 (0.33%) Network Security
8 2 (0.22%) DSL
8 2 (0.22%) Ethernet
8 2 (0.22%) MQTT
8 2 (0.22%) SNMP
9 1 (0.11%) 5G
9 1 (0.11%) AMQP
9 1 (0.11%) FTP
9 1 (0.11%) Intranet
9 1 (0.11%) Kerberos
Database & Business Intelligence
1 154 (16.68%) NoSQL
2 132 (14.30%) Relational Database
3 103 (11.16%) PostgreSQL
4 74 (8.02%) MongoDB
5 70 (7.58%) MySQL
6 61 (6.61%) SQL Server
7 41 (4.44%) RDBMS
8 36 (3.90%) Redis
9 33 (3.58%) Hadoop
10 32 (3.47%) Big Data
11 31 (3.36%) Amazon DynamoDB
12 21 (2.28%) Apache Cassandra
13 16 (1.73%) Apache Hive
14 15 (1.63%) Amazon RDS
15 12 (1.30%) Blockchain
15 12 (1.30%) Cosmos DB
16 11 (1.19%) Azure SQL Database
17 7 (0.76%) Hazelcast
18 6 (0.65%) Aerospike
18 6 (0.65%) SQL Server 2008
Development Applications
1 317 (34.34%) Git (software)
2 126 (13.65%) Jenkins
3 98 (10.62%) JIRA
4 61 (6.61%) Selenium
5 56 (6.07%) JUnit
6 49 (5.31%) Cucumber
6 49 (5.31%) Maven
7 43 (4.66%) Bitbucket
7 43 (4.66%) Cypress.io
8 38 (4.12%) GitLab
9 31 (3.36%) Mockito
10 30 (3.25%) JMeter
11 27 (2.93%) WebDriver
12 25 (2.71%) SonarQube
13 24 (2.60%) Appium
14 22 (2.38%) Protractor
14 22 (2.38%) webpack
15 21 (2.28%) Gradle
15 21 (2.28%) TeamCity
16 20 (2.17%) CocoaPods
General
1 214 (23.19%) Finance
2 59 (6.39%) Banking
3 54 (5.85%) Games
4 42 (4.55%) Retail
5 41 (4.44%) Publishing
6 25 (2.71%) Marketing
7 22 (2.38%) Public Sector
8 17 (1.84%) Brand Awareness
9 14 (1.52%) Advertising
10 11 (1.19%) Housing Association
11 10 (1.08%) Telecoms
12 8 (0.87%) Manufacturing
13 6 (0.65%) Front Office
13 6 (0.65%) Investment Banking
14 5 (0.54%) Electronics
15 4 (0.43%) Law
16 3 (0.33%) Italian Language
16 3 (0.33%) Legal
17 1 (0.11%) Back Office
17 1 (0.11%) Financial Institution
Job Titles
1 591 (64.03%) Developer
2 149 (16.14%) Java Developer
3 140 (15.17%) Senior Developer
4 90 (9.75%) Software Engineer
5 65 (7.04%) C# Developer
5 65 (7.04%) Full Stack Developer
6 61 (6.61%) .NET Developer
7 51 (5.53%) React Developer
8 49 (5.31%) C# .NET Developer
9 45 (4.88%) Java Engineer
10 42 (4.55%) Software Developer
11 41 (4.44%) Backend Developer
11 41 (4.44%) Python Developer
12 40 (4.33%) Front End Developer (Client-Side Developer)
13 36 (3.90%) Architect
13 36 (3.90%) iOS Developer
14 29 (3.14%) Consultant
14 29 (3.14%) Senior Java Developer
15 28 (3.03%) Senior Software Engineer
16 26 (2.82%) PHP Developer
Libraries, Frameworks & Software Standards
1 205 (22.21%) HTML
2 204 (22.10%) CSS
3 191 (20.69%) AngularJS
4 187 (20.26%) .NET
5 184 (19.93%) React
6 179 (19.39%) Spring
7 176 (19.07%) Node.js
8 172 (18.63%) JSON
9 162 (17.55%) Web Services
10 123 (13.33%) REST
11 111 (12.03%) HTML5
12 85 (9.21%) Kafka
12 85 (9.21%) Spring Boot
13 79 (8.56%) Redux
14 77 (8.34%) Sass
15 76 (8.23%) GraphQL
15 76 (8.23%) XML
16 69 (7.48%) CSS3
17 62 (6.72%) .NET Core
17 62 (6.72%) Vue.js
Miscellaneous
1 86 (9.32%) Mobile App
2 76 (8.23%) User Experience
3 39 (4.23%) Greenfield Project
4 28 (3.03%) Public Cloud
5 26 (2.82%) Algorithms
5 26 (2.82%) Virtual Team
6 21 (2.28%) Analytical Skills
6 21 (2.28%) Social Network
7 19 (2.06%) Animation
8 18 (1.95%) Enterprise Software
9 16 (1.73%) Blog
10 15 (1.63%) Data Structures
10 15 (1.63%) NHS
11 11 (1.19%) Management Information System
12 10 (1.08%) Cloud Native
13 8 (0.87%) Equities
13 8 (0.87%) Online Games
14 7 (0.76%) iPhone
14 7 (0.76%) Linux Command Line
14 7 (0.76%) Social Media
Operating Systems
1 78 (8.45%) Android
2 72 (7.80%) Apple iOS
3 69 (7.48%) Linux
4 24 (2.60%) Unix
5 17 (1.84%) Windows
6 15 (1.63%) Ubuntu
7 2 (0.22%) Embedded Linux
8 1 (0.11%) Debian
8 1 (0.11%) Fedora
8 1 (0.11%) watchOS
8 1 (0.11%) Windows Phone
Processes & Methodologies
1 520 (56.34%) Agile Software Development
2 306 (33.15%) Microservices
3 288 (31.20%) TDD
4 207 (22.43%) DevOps
5 199 (21.56%) Continuous Integration
6 183 (19.83%) Software Engineering
7 181 (19.61%) Test Automation
8 134 (14.52%) Scrum
9 130 (14.08%) Fintech
9 130 (14.08%) OO
10 129 (13.98%) BDD
11 119 (12.89%) Open Source
12 111 (12.03%) Mentoring
13 106 (11.48%) OOP
14 97 (10.51%) MVC
15 95 (10.29%) Unit Testing
16 93 (10.08%) Problem-Solving
17 82 (8.88%) SDLC
18 80 (8.67%) API Development
18 80 (8.67%) Computer Science
Programming Languages
1 407 (44.10%) Java
2 349 (37.81%) JavaScript
3 231 (25.03%) C#
4 216 (23.40%) Python
5 195 (21.13%) SQL
6 147 (15.93%) TypeScript
7 89 (9.64%) Java 8
8 80 (8.67%) Scala
9 73 (7.91%) PHP
10 55 (5.96%) ES6
10 55 (5.96%) Ruby
11 39 (4.23%) Kotlin
12 31 (3.36%) Apple Swift
13 29 (3.14%) Groovy
14 27 (2.93%) Go
14 27 (2.93%) Shell Script
15 26 (2.82%) Objective-C
16 21 (2.28%) PowerShell
17 18 (1.95%) ES8
18 17 (1.84%) Erlang
Qualifications
1 86 (9.32%) Degree
2 58 (6.28%) Computer Science Degree
3 29 (3.14%) Security Cleared
4 22 (2.38%) SC Cleared
5 5 (0.54%) Master's Degree
6 3 (0.33%) Microsoft Certification
7 2 (0.22%) DV Cleared
7 2 (0.22%) PhD
8 1 (0.11%) MBA
Quality Assurance & Compliance
1 103 (11.16%) QA
2 5 (0.54%) WCAG
3 1 (0.11%) Data Quality
3 1 (0.11%) GDPR
3 1 (0.11%) ISO/IEC 27001
System Software
1 234 (25.35%) Docker
2 8 (0.87%) Postfix
3 2 (0.22%) VMware Infrastructure
4 1 (0.11%) Active Directory
4 1 (0.11%) Apache Flume
4 1 (0.11%) Hyper-V
4 1 (0.11%) vSphere
4 1 (0.11%) Xen
Systems Management
1 168 (18.20%) Kubernetes
2 31 (3.36%) Terraform
3 25 (2.71%) Ansible
4 11 (1.19%) Opscode Chef
5 9 (0.98%) Docker Swarm
5 9 (0.98%) HP Quality Center
6 8 (0.87%) Prometheus
6 8 (0.87%) Puppet
7 4 (0.43%) Consul
7 4 (0.43%) Grafana
7 4 (0.43%) systemd
8 3 (0.33%) HAProxy
8 3 (0.33%) Kibana
8 3 (0.33%) Rancher
9 2 (0.22%) WMI
10 1 (0.11%) Mesos
10 1 (0.11%) Salt
10 1 (0.11%) Single Sign-On
Vendors
1 98 (10.62%) Google
2 86 (9.32%) Microsoft
3 41 (4.44%) Adobe
4 39 (4.23%) Oracle
5 34 (3.68%) MuleSoft
6 27 (2.93%) TIBCO
7 25 (2.71%) Atlassian
7 25 (2.71%) IBM
7 25 (2.71%) Xamarin
8 21 (2.28%) Dell
9 20 (2.17%) UiPath
9 20 (2.17%) WSO2
10 17 (1.84%) Salesforce.com
11 14 (1.52%) Red Hat
12 13 (1.41%) Apple
13 10 (1.08%) Splunk
14 9 (0.98%) HP
15 7 (0.76%) Samsung
16 5 (0.54%) SAP
16 5 (0.54%) Talend