Period
to 18 May 2021

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for REST skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited REST over the 6 months to 18 May 2021 with a comparison to the same period in the previous 2 years.

Representational State Transfer (REST)
England > London
6 months to
18 May 2021
Same period 2020 Same period 2019
Rank 50 56 71
Rank change year-on-year +6 +15 0
Permanent jobs citing REST 1,983 1,859 2,345
As % of all permanent jobs advertised in London 5.90% 4.68% 3.98%
As % of the Libraries, Frameworks & Software Standards category 13.29% 11.42% 10.06%
Number of salaries quoted 1,179 1,441 1,850
10th Percentile £47,350 £45,000 £42,500
25th Percentile £55,000 £51,250 £52,500
Median annual salary (50th Percentile) £70,000 £70,000 £70,000
75th Percentile £85,000 £85,000 £81,250
90th Percentile £96,250 £95,000 £95,000
England median annual salary £60,000 £55,000 £56,600
% change year-on-year +9.09% -2.83% +2.91%

REST 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 14,925 16,276 23,299
As % of all permanent IT jobs advertised in London 44.38% 40.96% 39.51%
Number of salaries quoted 10,916 13,542 19,544
10th Percentile £45,000 £42,500 £38,750
25th Percentile £55,000 £52,500 £50,000
Median annual salary (50th Percentile) £70,000 £70,000 £65,000
Median % change year-on-year - +7.69% +4.00%
75th Percentile £88,750 £87,500 £82,500
90th Percentile £106,250 £105,000 £95,000
England median annual salary £57,500 £55,000 £54,000
% change year-on-year +4.55% +1.85% +8.00%

REST
Job Vacancy Trend in London

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

Job vacancy trend for REST in London

REST
Salary Trend in London

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

Salary trend for REST in London

REST
Salary Histogram in London

Salary distribution for jobs citing REST in London over the 6 months to 18 May 2021.

Salary histogram for REST in London

REST
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing REST within the London region over the 6 months to 18 May 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 -8 266 £70,000 +3.70% 96
West London +18 75 £72,500 +31.82% 55
South London +6 59 £67,500 +3.85% 7
East London +3 5 £93,750 +38.89% 33
North London +20 4 £45,000 -14.29% 2
REST
England

For the 6 months to 18 May 2021, IT jobs citing REST 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 REST.

1 930 (46.90%) Agile Software Development
2 849 (42.81%) JavaScript
3 656 (33.08%) Java
4 603 (30.41%) AWS
5 600 (30.26%) React
6 578 (29.15%) Microservices
7 557 (28.09%) SQL
8 549 (27.69%) Software Engineering
9 503 (25.37%) Docker
10 485 (24.46%) C#
11 462 (23.30%) Finance
12 449 (22.64%) Python
13 446 (22.49%) .NET
14 440 (22.19%) TDD
14 440 (22.19%) Git (software)
15 435 (21.94%) Node.js
16 422 (21.28%) CSS
17 417 (21.03%) Social Skills
18 409 (20.63%) AngularJS
19 401 (20.22%) Azure
20 399 (20.12%) HTML
21 386 (19.47%) TypeScript
22 384 (19.36%) DevOps
23 378 (19.06%) Web Services
24 376 (18.96%) Test Automation
25 347 (17.50%) Kubernetes
26 315 (15.89%) Scrum
27 310 (15.63%) RESTful
28 308 (15.53%) Degree
28 308 (15.53%) Fintech

REST
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 94 (4.74%) Confluence
2 56 (2.82%) Tomcat
3 49 (2.47%) Elasticsearch
4 43 (2.17%) CMS
5 40 (2.02%) Apache
6 23 (1.16%) Apache Airflow
6 23 (1.16%) nginx
6 23 (1.16%) SharePoint
7 22 (1.11%) Apache Spark
8 19 (0.96%) IIS
9 18 (0.91%) Apache TomEE
9 18 (0.91%) Oracle SOA Suite
10 15 (0.76%) OpenStack
11 12 (0.61%) Headless CMS
12 11 (0.55%) Gunicorn
12 11 (0.55%) Tornado
13 10 (0.50%) Apache Solr
13 10 (0.50%) WordPress
14 9 (0.45%) Drupal
14 9 (0.45%) JBoss
Applications
1 34 (1.71%) Figma
2 22 (1.11%) Microsoft Office
3 19 (0.96%) Sketch
4 12 (0.61%) Adobe XD
4 12 (0.61%) Microsoft Excel
5 9 (0.45%) Zeplin
6 6 (0.30%) Photoshop
7 4 (0.20%) Adobe Creative Suite
7 4 (0.20%) Adobe Illustrator
7 4 (0.20%) Fireworks
7 4 (0.20%) InVision
8 1 (0.050%) Microsoft PowerPoint
8 1 (0.050%) Spreadsheet
Business Applications
1 19 (0.96%) Dynamics CRM
2 13 (0.66%) Elite 3E
3 6 (0.30%) Shopify
4 5 (0.25%) Payment Gateway
5 4 (0.20%) IBM Operational Decision Manager
6 3 (0.15%) NetSuite
6 3 (0.15%) Oracle BPM
7 2 (0.10%) Salesforce.com CRM
7 2 (0.10%) SAP Hybris
7 2 (0.10%) Sparx Enterprise Architect
7 2 (0.10%) Summit
7 2 (0.10%) Workday HCM
8 1 (0.050%) Academy Housing
8 1 (0.050%) Adobe Campaign
8 1 (0.050%) OpenText MBPM
8 1 (0.050%) Oracle Retail
8 1 (0.050%) SAP CRM
8 1 (0.050%) SAP ERP
8 1 (0.050%) SAP S/4HANA
8 1 (0.050%) StreamServe
Cloud Services
1 603 (30.41%) AWS
2 401 (20.22%) Azure
3 205 (10.34%) GCP
4 203 (10.24%) Serverless
5 152 (7.67%) GitHub
6 147 (7.41%) SaaS
7 102 (5.14%) AWS Lambda
8 63 (3.18%) Cloud Computing
8 63 (3.18%) Power Platform
9 59 (2.98%) Amazon EC2
10 53 (2.67%) Amazon S3
11 40 (2.02%) Amazon Kinesis
11 40 (2.02%) npm
12 36 (1.82%) PaaS
13 35 (1.77%) Amazon SQS
14 34 (1.71%) Amazon CloudWatch
15 33 (1.66%) AWS Fargate
15 33 (1.66%) Azure Logic Apps
16 32 (1.61%) Azure Functions
16 32 (1.61%) Salesforce Service Cloud
Communications & Networking
1 170 (8.57%) HTTP
2 28 (1.41%) AMQP
3 15 (0.76%) Network Security
4 14 (0.71%) Internet
5 13 (0.66%) Broadband
6 10 (0.50%) 5G
6 10 (0.50%) TCP/IP
7 9 (0.45%) Firewall
8 8 (0.40%) FTP
8 8 (0.40%) MPLS
8 8 (0.40%) SSH
9 7 (0.35%) BGP
9 7 (0.35%) OpenFlow
10 5 (0.25%) 4G
10 5 (0.25%) MQTT
10 5 (0.25%) Skype
11 4 (0.20%) 3G
11 4 (0.20%) Intranet
11 4 (0.20%) WAN
11 4 (0.20%) Wireless
Database & Business Intelligence
1 282 (14.22%) SQL Server
2 264 (13.31%) NoSQL
3 258 (13.01%) PostgreSQL
4 199 (10.04%) Relational Database
5 180 (9.08%) MongoDB
6 125 (6.30%) Redis
7 121 (6.10%) MySQL
8 96 (4.84%) Big Data
9 73 (3.68%) Amazon DynamoDB
10 54 (2.72%) Data Warehouse
11 48 (2.42%) Power BI
12 47 (2.37%) SQL Server Integration Services
13 43 (2.17%) RDBMS
14 39 (1.97%) SQL Server Reporting Services
15 35 (1.77%) Amazon RDS
15 35 (1.77%) Blockchain
16 32 (1.61%) Hadoop
17 25 (1.26%) Apache Cassandra
18 22 (1.11%) MariaDB
19 19 (0.96%) Snowflake Schema
Development Applications
1 440 (22.19%) Git (software)
2 261 (13.16%) Jenkins
3 154 (7.77%) JIRA
4 125 (6.30%) Cypress.io
5 115 (5.80%) Selenium
6 108 (5.45%) Cucumber
7 106 (5.35%) Maven
8 100 (5.04%) webpack
9 98 (4.94%) Visual Studio
10 90 (4.54%) JUnit
10 90 (4.54%) TeamCity
11 69 (3.48%) CircleCI
12 66 (3.33%) Postman
13 62 (3.13%) GitLab
14 57 (2.87%) Octopus Deploy
15 55 (2.77%) Mockito
16 50 (2.52%) gulp
17 42 (2.12%) Gradle
17 42 (2.12%) Mocha
18 36 (1.82%) NUnit
General
1 462 (23.30%) Finance
2 417 (21.03%) Social Skills
3 173 (8.72%) Games
4 145 (7.31%) Banking
5 138 (6.96%) Analytical Skills
6 134 (6.76%) Marketing
7 124 (6.25%) Retail
8 49 (2.47%) Legal
9 44 (2.22%) Financial Institution
9 44 (2.22%) Telecoms
10 42 (2.12%) Advertising
11 41 (2.07%) Public Sector
12 39 (1.97%) Back Office
13 35 (1.77%) Presentation Skills
14 30 (1.51%) Law
15 25 (1.26%) Publishing
16 20 (1.01%) Investment Banking
17 19 (0.96%) Documentation Skills
18 15 (0.76%) Organisational Skills
19 14 (0.71%) Front Office
Job Titles
1 1,093 (55.12%) Developer
2 263 (13.26%) Software Engineer
3 236 (11.90%) Senior Developer
4 209 (10.54%) Full Stack Developer
5 202 (10.19%) Java Developer
6 132 (6.66%) .NET Developer
7 115 (5.80%) Senior Software Engineer
8 110 (5.55%) Backend Developer
9 96 (4.84%) Front End Developer (Client-Side Developer)
10 91 (4.59%) Lead Developer
11 86 (4.34%) Architect
12 82 (4.14%) React Developer
13 75 (3.78%) Java Engineer
14 70 (3.53%) Python Developer
15 69 (3.48%) Software Developer
16 66 (3.33%) C# Developer
17 65 (3.28%) Senior Full Stack Developer
18 58 (2.92%) Salesforce Developer
19 57 (2.87%) Angular Developer
20 55 (2.77%) JavaScript Developer
Libraries, Frameworks & Software Standards
1 600 (30.26%) React
2 446 (22.49%) .NET
3 435 (21.94%) Node.js
4 422 (21.28%) CSS
5 409 (20.63%) AngularJS
6 399 (20.12%) HTML
7 378 (19.06%) Web Services
8 310 (15.63%) RESTful
9 290 (14.62%) Spring
10 253 (12.76%) SOAP
11 230 (11.60%) GraphQL
12 221 (11.14%) JSON
13 199 (10.04%) .NET Core
14 195 (9.83%) Vue.js
15 171 (8.62%) Spring Boot
16 156 (7.87%) Kafka
16 156 (7.87%) Redux
17 140 (7.06%) ASP.NET
18 137 (6.91%) HTML5
19 132 (6.66%) ASP.NET Web API
Miscellaneous
1 259 (13.06%) User Experience
2 145 (7.31%) Self-Motivation
3 141 (7.11%) Mobile App
4 82 (4.14%) Greenfield Project
5 74 (3.73%) Data Structures
6 59 (2.98%) Algorithms
7 56 (2.82%) Blog
8 53 (2.67%) Client/Server
9 41 (2.07%) Enterprise Software
9 41 (2.07%) Hedge funds
10 40 (2.02%) Cloud Native
11 38 (1.92%) Foreign Exchange (FX)
12 32 (1.61%) Web 2.0
13 31 (1.56%) Management Information System
14 30 (1.51%) Virtual Team
15 24 (1.21%) Equities
16 21 (1.06%) Linux Command Line
17 19 (0.96%) Data Centre
18 18 (0.91%) Social Media
19 17 (0.86%) Bitcoin
Operating Systems
1 156 (7.87%) Linux
2 112 (5.65%) Android
3 108 (5.45%) Apple iOS
4 66 (3.33%) Windows
5 41 (2.07%) Unix
6 12 (0.61%) Ubuntu
7 6 (0.30%) tvOS
8 4 (0.20%) Mac OS X
9 2 (0.10%) AIX
9 2 (0.10%) CentOS
9 2 (0.10%) Embedded Linux
9 2 (0.10%) Solaris
9 2 (0.10%) Windows Server
9 2 (0.10%) Windows Server 2012
10 1 (0.050%) Fedora
10 1 (0.050%) Mac OS
10 1 (0.050%) VMS
Processes & Methodologies
1 930 (46.90%) Agile Software Development
2 578 (29.15%) Microservices
3 549 (27.69%) Software Engineering
4 440 (22.19%) TDD
5 384 (19.36%) DevOps
6 376 (18.96%) Test Automation
7 315 (15.89%) Scrum
8 308 (15.53%) Fintech
9 257 (12.96%) Computer Science
10 243 (12.25%) Continuous Integration
11 237 (11.95%) Mentoring
12 230 (11.60%) Problem-Solving
13 211 (10.64%) BDD
14 198 (9.98%) Open Source
15 188 (9.48%) OO
16 175 (8.83%) SDLC
17 170 (8.57%) Unit Testing
18 163 (8.22%) MVC
19 162 (8.17%) Front End Development
20 155 (7.82%) SOLID
Programming Languages
1 849 (42.81%) JavaScript
2 656 (33.08%) Java
3 557 (28.09%) SQL
4 485 (24.46%) C#
5 449 (22.64%) Python
6 386 (19.47%) TypeScript
7 122 (6.15%) Go
8 120 (6.05%) Java 8
9 84 (4.24%) PHP
10 76 (3.83%) Kotlin
11 68 (3.43%) T-SQL
12 63 (3.18%) Apex Code
13 62 (3.13%) C++
14 59 (2.98%) Scala
15 54 (2.72%) C
16 42 (2.12%) ES6
17 35 (1.77%) PowerShell
18 32 (1.61%) SOQL
19 30 (1.51%) Ruby
20 29 (1.46%) Apple Swift
Qualifications
1 308 (15.53%) Degree
2 132 (6.66%) Computer Science Degree
3 36 (1.82%) Security Cleared
4 29 (1.46%) Master's Degree
5 27 (1.36%) SC Cleared
6 18 (0.91%) PhD
7 17 (0.86%) Numerate Degree
8 15 (0.76%) ISTQB
9 12 (0.61%) ISEB
9 12 (0.61%) ITIL Foundation Certificate
10 5 (0.25%) DBS Check
11 4 (0.20%) AWS Certification
11 4 (0.20%) ISTQB Foundation Certification
11 4 (0.20%) MOS
12 3 (0.15%) Microsoft Certification
13 2 (0.10%) CCNA
13 2 (0.10%) Cisco Certification
13 2 (0.10%) DV Cleared
14 1 (0.050%) ISEB Practitioner
14 1 (0.050%) SAP Certification
Quality Assurance & Compliance
1 235 (11.85%) QA
2 20 (1.01%) Data Quality
3 18 (0.91%) GRC
4 12 (0.61%) WCAG
5 10 (0.50%) GDPR
6 4 (0.20%) HL7
6 4 (0.20%) WAI
7 3 (0.15%) ISO/IEC 27001
7 3 (0.15%) PSD2
8 2 (0.10%) Government Security Classifications
8 2 (0.10%) NCSC
9 1 (0.050%) HIPAA
9 1 (0.050%) Sarbanes-Oxley
9 1 (0.050%) SEPA
9 1 (0.050%) SOC 2
System Software
1 503 (25.37%) Docker
2 12 (0.61%) VMware Infrastructure
3 8 (0.40%) KVM
4 7 (0.35%) Hyper-V
4 7 (0.35%) Virtual Machines
5 6 (0.30%) Postfix
6 5 (0.25%) Apache ZooKeeper
7 4 (0.20%) Ceph
8 3 (0.15%) Active Directory
8 3 (0.15%) HDFS
9 2 (0.10%) Virtual Desktop
9 2 (0.10%) vSphere
10 1 (0.050%) VMware ESXi
10 1 (0.050%) Xen
Systems Management
1 347 (17.50%) Kubernetes
2 101 (5.09%) Terraform
3 67 (3.38%) Ansible
4 28 (1.41%) Grafana
5 27 (1.36%) Puppet
6 25 (1.26%) Opscode Chef
7 23 (1.16%) Prometheus
8 13 (0.66%) Docker Swarm
9 8 (0.40%) Packer
10 7 (0.35%) Single Sign-On
11 6 (0.30%) Consul
11 6 (0.30%) HAProxy
11 6 (0.30%) Rancher
11 6 (0.30%) ZABBIX
12 4 (0.20%) Galera Cluster
12 4 (0.20%) Graphite
12 4 (0.20%) Graylog
12 4 (0.20%) Kibana
12 4 (0.20%) Opsgenie
13 3 (0.15%) Istio
Vendors
1 183 (9.23%) Microsoft
2 147 (7.41%) Google
3 94 (4.74%) Salesforce.com
4 75 (3.78%) Oracle
5 38 (1.92%) Samsung
6 28 (1.41%) Adobe
7 26 (1.31%) Yahoo!
8 23 (1.16%) Atlassian
9 21 (1.06%) IBM
10 18 (0.91%) ServiceNow
11 16 (0.81%) Intapp
12 13 (0.66%) VMware
13 12 (0.61%) New Relic
14 11 (0.55%) Apple
14 11 (0.55%) Conga
14 11 (0.55%) Snapchat
14 11 (0.55%) YouTube
15 10 (0.50%) Red Hat
16 8 (0.40%) Facebook
16 8 (0.40%) SAP