Period
to 28 October 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 28 October 2021 with a comparison to the same period in the previous 2 years.

Representational State Transfer (REST)
England > London
6 months to
28 Oct 2021
Same period 2020 Same period 2019
Rank 41 56 66
Rank change year-on-year +15 +10 +8
Permanent jobs citing REST 3,590 967 2,377
As % of all permanent jobs advertised in London 7.03% 4.85% 4.35%
As % of the Libraries, Frameworks & Software Standards category 14.93% 10.68% 11.04%
Number of salaries quoted 1,625 751 1,906
10th Percentile £49,200 £47,500 £44,000
25th Percentile £56,250 £56,250 £53,750
Median annual salary (50th Percentile) £70,000 £70,000 £70,000
75th Percentile £86,250 £85,000 £85,000
90th Percentile £97,500 £95,000 £95,000
England median annual salary £62,500 £60,000 £57,500
% change year-on-year +4.17% +4.35% +1.59%

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 24,046 9,055 21,527
As % of all permanent IT jobs advertised in London 47.11% 45.39% 39.37%
Number of salaries quoted 13,658 7,886 18,143
10th Percentile £46,250 £46,250 £41,250
25th Percentile £56,250 £56,250 £51,250
Median annual salary (50th Percentile) £75,000 £70,000 £67,500
Median % change year-on-year +7.14% +3.70% +3.85%
75th Percentile £92,500 £90,000 £85,000
90th Percentile £112,500 £112,500 £100,000
England median annual salary £60,000 £59,000 £55,000
% change year-on-year +1.69% +7.27% +4.76%

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 28 October 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 28 October 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 -9 374 £67,500 -3.57% 126
West London +20 248 £66,250 +1.92% 55
South London +1 77 £60,000 - 9
East London -19 10 £70,000 +7.69% 49
North London -17 2 £65,000 +66.67% 3
REST
England

For the 6 months to 28 October 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 1,860 (51.81%) Agile Software Development
2 1,610 (44.85%) JavaScript
3 1,282 (35.71%) React
4 1,268 (35.32%) Java
5 1,144 (31.87%) AWS
6 1,139 (31.73%) Microservices
7 1,033 (28.77%) Docker
8 989 (27.55%) Python
9 974 (27.13%) Software Engineering
10 958 (26.69%) Git (software)
11 923 (25.71%) SQL
12 876 (24.40%) TDD
13 874 (24.35%) Node.js
14 848 (23.62%) Finance
15 843 (23.48%) TypeScript
16 786 (21.89%) AngularJS
17 767 (21.36%) Test Automation
18 763 (21.25%) HTML
19 761 (21.20%) Kubernetes
20 746 (20.78%) Social Skills
21 737 (20.53%) CSS
22 730 (20.33%) C#
23 687 (19.14%) Full Stack Development
24 657 (18.30%) Web Services
25 648 (18.05%) Jenkins
26 646 (17.99%) Azure
26 646 (17.99%) Continuous Integration
27 630 (17.55%) GraphQL
28 629 (17.52%) DevOps
29 613 (17.08%) .NET

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
1 189 (5.26%) Elasticsearch
2 149 (4.15%) Confluence
3 127 (3.54%) CMS
4 88 (2.45%) Apache
5 72 (2.01%) Tomcat
6 67 (1.87%) nginx
7 49 (1.36%) Apache Airflow
8 48 (1.34%) Apache Spark
9 40 (1.11%) IIS
10 29 (0.81%) WordPress
11 22 (0.61%) SharePoint
11 22 (0.61%) Tornado
12 21 (0.58%) Gunicorn
13 19 (0.53%) Headless CMS
13 19 (0.53%) Umbraco
14 18 (0.50%) Mule
14 18 (0.50%) Mule ESB
15 17 (0.47%) Anypoint
16 16 (0.45%) Apache Solr
16 16 (0.45%) Apache TomEE
Applications
1 24 (0.67%) Figma
2 23 (0.64%) Microsoft Office
3 18 (0.50%) Adobe XD
4 15 (0.42%) Photoshop
5 14 (0.39%) Microsoft Excel
6 11 (0.31%) Adobe Illustrator
7 10 (0.28%) Sketch
8 9 (0.25%) Spreadsheet
9 7 (0.19%) Chatbot
9 7 (0.19%) Zeplin
10 5 (0.14%) MS Visio
11 4 (0.11%) Microsoft PowerPoint
12 3 (0.084%) InVision
13 1 (0.028%) Doxygen
13 1 (0.028%) Microsoft Project
Business Applications
1 29 (0.81%) Dynamics CRM
2 19 (0.53%) Distributed Ledger
3 10 (0.28%) Payment Gateway
3 10 (0.28%) Salesforce.com CRM
4 9 (0.25%) Adobe Campaign
5 5 (0.14%) Dynamics AX
5 5 (0.14%) R3 Corda
6 4 (0.11%) Oracle BPM
6 4 (0.11%) Shopify
7 3 (0.084%) Magento
7 3 (0.084%) Summit
8 2 (0.056%) Elite 3E
8 2 (0.056%) IBM Operational Decision Manager
8 2 (0.056%) SAP Hybris
8 2 (0.056%) SAP S/4HANA
9 1 (0.028%) Loan IQ
9 1 (0.028%) Relativity
9 1 (0.028%) Sentinel
9 1 (0.028%) StreamServe
9 1 (0.028%) Workday HCM
Cloud Services
1 1,144 (31.87%) AWS
2 646 (17.99%) Azure
3 439 (12.23%) Serverless
4 420 (11.70%) GCP
5 411 (11.45%) GitHub
6 262 (7.30%) SaaS
7 211 (5.88%) AWS Lambda
8 167 (4.65%) Amazon S3
9 138 (3.84%) npm
10 115 (3.20%) Amazon EC2
11 90 (2.51%) Cloud Computing
12 87 (2.42%) Amazon SQS
13 83 (2.31%) AWS CloudFormation
14 82 (2.28%) Amazon Kinesis
15 73 (2.03%) Amazon ECS
16 72 (2.01%) Slack
17 69 (1.92%) GitHub Actions
18 65 (1.81%) Amazon Cognito
19 63 (1.75%) Power Platform
20 56 (1.56%) OpenShift
Communications & Networking
1 442 (12.31%) HTTP
2 90 (2.51%) Broadband
3 89 (2.48%) Internet
4 47 (1.31%) TCP/IP
5 36 (1.00%) Bluetooth
5 36 (1.00%) DVB
6 18 (0.50%) AMQP
6 18 (0.50%) DNS
7 16 (0.45%) MQTT
7 16 (0.45%) WebEx
8 14 (0.39%) SMS
9 13 (0.36%) SSL
10 12 (0.33%) Network Security
11 10 (0.28%) 5G
12 8 (0.22%) Firewall
13 7 (0.19%) SMTP
13 7 (0.19%) VPN
14 6 (0.17%) RTP
14 6 (0.17%) SWIFTNet
15 5 (0.14%) SSH
Database & Business Intelligence
1 571 (15.91%) NoSQL
2 498 (13.87%) PostgreSQL
3 422 (11.75%) MongoDB
4 365 (10.17%) SQL Server
5 364 (10.14%) MySQL
6 320 (8.91%) Relational Database
7 275 (7.66%) Redis
8 191 (5.32%) Amazon DynamoDB
9 160 (4.46%) Big Data
10 93 (2.59%) Amazon RDS
11 84 (2.34%) Hadoop
12 80 (2.23%) RDBMS
13 77 (2.14%) Blockchain
14 64 (1.78%) Apache Cassandra
15 62 (1.73%) Data Warehouse
16 50 (1.39%) Power BI
17 48 (1.34%) Amazon Aurora
18 40 (1.11%) Oracle Database
19 34 (0.95%) Amazon Redshift
20 32 (0.89%) SQL Server 2008
Development Applications
1 958 (26.69%) Git (software)
2 648 (18.05%) Jenkins
3 329 (9.16%) Selenium
4 316 (8.80%) JIRA
5 243 (6.77%) Postman
6 220 (6.13%) Cypress.io
7 212 (5.91%) TeamCity
8 207 (5.77%) JUnit
9 202 (5.63%) Maven
9 202 (5.63%) webpack
10 197 (5.49%) Cucumber
11 194 (5.40%) GitLab
12 119 (3.31%) Bitbucket
13 116 (3.23%) Octopus Deploy
14 115 (3.20%) CircleCI
15 101 (2.81%) Visual Studio
16 96 (2.67%) Mockito
16 96 (2.67%) SpecFlow
17 88 (2.45%) JMeter
18 82 (2.28%) WebDriver
General
1 848 (23.62%) Finance
2 746 (20.78%) Social Skills
3 272 (7.58%) Banking
4 247 (6.88%) Games
5 246 (6.85%) Analytical Skills
6 204 (5.68%) Retail
7 173 (4.82%) Marketing
8 81 (2.26%) Inclusion and Diversity
9 77 (2.14%) Legal
10 70 (1.95%) Financial Institution
11 69 (1.92%) Back Office
12 68 (1.89%) Advertising
13 64 (1.78%) Law
14 49 (1.36%) Investment Banking
15 39 (1.09%) Publishing
16 38 (1.06%) Public Sector
17 37 (1.03%) Retail Banking
18 26 (0.72%) Presentation Skills
18 26 (0.72%) Telecoms
19 23 (0.64%) Front Office
Job Titles
1 1,822 (50.75%) Developer
2 478 (13.31%) Software Engineer
3 458 (12.76%) Senior Developer
4 364 (10.14%) Java Developer
5 278 (7.74%) Full Stack Developer
6 240 (6.69%) Front End Developer (Client-Side Developer)
7 197 (5.49%) Senior Software Engineer
8 194 (5.40%) .NET Developer
9 168 (4.68%) Backend Developer
10 157 (4.37%) Java Engineer
11 134 (3.73%) Software Developer
12 108 (3.01%) Senior Java Developer
13 104 (2.90%) Lead Developer
14 103 (2.87%) QA Engineer
15 98 (2.73%) JavaScript Developer
16 94 (2.62%) React Developer
17 87 (2.42%) Architect
17 87 (2.42%) Senior Java Engineer
18 85 (2.37%) C# Developer
18 85 (2.37%) Python Developer
Libraries, Frameworks & Software Standards
1 1,282 (35.71%) React
2 874 (24.35%) Node.js
3 786 (21.89%) AngularJS
4 763 (21.25%) HTML
5 737 (20.53%) CSS
6 657 (18.30%) Web Services
7 630 (17.55%) GraphQL
8 613 (17.08%) .NET
9 561 (15.63%) Spring
10 549 (15.29%) RESTful
11 450 (12.53%) JSON
12 438 (12.20%) SOAP
13 376 (10.47%) Spring Boot
14 362 (10.08%) Redux
15 333 (9.28%) Vue.js
16 331 (9.22%) Kafka
17 329 (9.16%) HTML5
18 258 (7.19%) XML
19 240 (6.69%) .NET Core
20 236 (6.57%) .NET Framework
Miscellaneous
1 509 (14.18%) User Experience
2 211 (5.88%) Mobile App
3 177 (4.93%) Self-Motivation
4 141 (3.93%) Algorithms
5 136 (3.79%) Greenfield Project
6 101 (2.81%) Virtual Team
7 96 (2.67%) Blog
8 93 (2.59%) Data Structures
9 81 (2.26%) Social Media
10 75 (2.09%) Enterprise Software
11 64 (1.78%) Foreign Exchange (FX)
12 63 (1.75%) Client/Server
13 54 (1.50%) Management Information System
14 53 (1.48%) Public Cloud
15 50 (1.39%) Video\Live Streaming
16 44 (1.23%) MPEG
17 42 (1.17%) Equities
18 39 (1.09%) Web 2.0
19 38 (1.06%) Over-the-Top Content
20 37 (1.03%) Cloud Native
Operating Systems
1 374 (10.42%) Linux
2 209 (5.82%) Android
3 200 (5.57%) Apple iOS
4 162 (4.51%) Windows
5 87 (2.42%) Unix
6 34 (0.95%) Mesosphere
7 21 (0.58%) Mac OS X
8 11 (0.31%) Mac OS
9 10 (0.28%) Windows Server
10 6 (0.17%) Embedded Linux
11 5 (0.14%) Windows Server 2008
12 4 (0.11%) CentOS
12 4 (0.11%) Ubuntu
13 3 (0.084%) tvOS
14 2 (0.056%) Alpine Linux
14 2 (0.056%) Fedora
14 2 (0.056%) Windows Server 2012
15 1 (0.028%) VMS
Processes & Methodologies
1 1,860 (51.81%) Agile Software Development
2 1,139 (31.73%) Microservices
3 974 (27.13%) Software Engineering
4 876 (24.40%) TDD
5 767 (21.36%) Test Automation
6 687 (19.14%) Full Stack Development
7 646 (17.99%) Continuous Integration
8 629 (17.52%) DevOps
9 590 (16.43%) Problem-Solving
10 569 (15.85%) Scrum
11 452 (12.59%) Front End Development
12 425 (11.84%) Fintech
13 421 (11.73%) Analytics
14 408 (11.36%) Open Source
15 404 (11.25%) BDD
16 372 (10.36%) Mentoring
17 371 (10.33%) Unit Testing
18 363 (10.11%) OO
19 325 (9.05%) Computer Science
20 321 (8.94%) SOLID
Programming Languages
1 1,610 (44.85%) JavaScript
2 1,268 (35.32%) Java
3 989 (27.55%) Python
4 923 (25.71%) SQL
5 843 (23.48%) TypeScript
6 730 (20.33%) C#
7 262 (7.30%) Go
8 180 (5.01%) Java 8
9 176 (4.90%) ES6
10 150 (4.18%) PHP
11 144 (4.01%) Kotlin
12 112 (3.12%) C++
13 104 (2.90%) Scala
14 100 (2.79%) C
14 100 (2.79%) PowerShell
15 90 (2.51%) Java 11
16 84 (2.34%) Apex Code
17 76 (2.12%) Ruby
18 72 (2.01%) Apple Swift
19 70 (1.95%) Rust
Qualifications
1 418 (11.64%) Degree
2 189 (5.26%) Computer Science Degree
3 86 (2.40%) Security Cleared
4 79 (2.20%) SC Cleared
5 38 (1.06%) Numerate Degree
6 25 (0.70%) Master's Degree
7 14 (0.39%) ISTQB
8 12 (0.33%) PhD
9 10 (0.28%) DBS Check
10 8 (0.22%) ISTQB Foundation Certification
11 5 (0.14%) Microsoft Certification
11 5 (0.14%) PRINCE2 Certification
12 4 (0.11%) ISEB
12 4 (0.11%) ITIL Foundation Certificate
13 3 (0.084%) ITIL Certification
14 2 (0.056%) CCNA
14 2 (0.056%) CEH
14 2 (0.056%) CISA
14 2 (0.056%) Cisco Certification
14 2 (0.056%) CISSP
Quality Assurance & Compliance
1 483 (13.45%) QA
2 128 (3.57%) Accessibility
3 29 (0.81%) WCAG
4 21 (0.58%) Data Quality
5 20 (0.56%) GRC
6 17 (0.47%) ISO/IEC 27001
7 14 (0.39%) PMO
8 13 (0.36%) GDPR
9 8 (0.22%) SLA
10 6 (0.17%) HIPAA
10 6 (0.17%) ISO 15022
10 6 (0.17%) ISO 20022
11 5 (0.14%) HL7
12 4 (0.11%) IEC 62304
12 4 (0.11%) ISO 13485
13 3 (0.084%) SOC 2
14 2 (0.056%) PCI DSS
14 2 (0.056%) Sarbanes-Oxley
15 1 (0.028%) COBIT
15 1 (0.028%) PSD2
System Software
1 1,033 (28.77%) Docker
2 14 (0.39%) Apache ZooKeeper
3 12 (0.33%) Active Directory
4 9 (0.25%) HDFS
5 8 (0.22%) Postfix
6 5 (0.14%) Ceph
6 5 (0.14%) VMware Infrastructure
7 3 (0.084%) Virtual Machines
8 2 (0.056%) Virtual Desktop
8 2 (0.056%) VMware ESXi
8 2 (0.056%) vSphere
9 1 (0.028%) Apache Flume
9 1 (0.028%) Hyper-V
9 1 (0.028%) OpenAM
9 1 (0.028%) OpenDJ
9 1 (0.028%) OpenIDM
Systems Management
1 761 (21.20%) Kubernetes
2 295 (8.22%) Terraform
3 136 (3.79%) Ansible
4 118 (3.29%) Prometheus
5 115 (3.20%) Opscode Chef
6 94 (2.62%) Grafana
7 90 (2.51%) Puppet
8 70 (1.95%) Kibana
9 55 (1.53%) logstash
10 45 (1.25%) Opsgenie
11 37 (1.03%) Docker Swarm
12 35 (0.97%) Automic
13 31 (0.86%) Consul
14 30 (0.84%) Graphite
14 30 (0.84%) Graylog
15 29 (0.81%) Istio
16 28 (0.78%) HAProxy
17 27 (0.75%) Hadoop YARN
18 19 (0.53%) MIIS
19 15 (0.42%) ZABBIX
Vendors
1 320 (8.91%) Microsoft
2 253 (7.05%) Google
3 162 (4.51%) Oracle
4 123 (3.43%) Salesforce.com
5 93 (2.59%) Splunk
6 63 (1.75%) Samsung
7 60 (1.67%) MuleSoft
8 52 (1.45%) YouTube
9 41 (1.14%) Adobe
10 40 (1.11%) Conga
11 38 (1.06%) Spotify
12 37 (1.03%) Apple
12 37 (1.03%) ServiceNow
13 35 (0.97%) Atlassian
13 35 (0.97%) New Relic
14 34 (0.95%) LexisNexis
15 31 (0.86%) DocuSign
16 25 (0.70%) Facebook
17 23 (0.64%) Dell
18 18 (0.50%) Sun