Period
to 23 July 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 23 July 2021 with a comparison to the same period in the previous 2 years.

Representational State Transfer (REST)
England > London
6 months to
23 Jul 2021
Same period 2020 Same period 2019
Rank 43 57 74
Rank change year-on-year +14 +17 -3
Permanent jobs citing REST 3,206 1,399 2,276
As % of all permanent jobs advertised in London 7.13% 4.71% 3.95%
As % of the Libraries, Frameworks & Software Standards category 14.94% 11.20% 10.12%
Number of salaries quoted 1,420 1,110 1,879
10th Percentile £47,500 £46,250 £43,750
25th Percentile £55,000 £52,500 £52,500
Median annual salary (50th Percentile) £70,000 £70,000 £70,000
75th Percentile £86,250 £85,000 £85,000
90th Percentile £100,000 £95,000 £95,000
England median annual salary £60,000 £56,500 £57,500
% change year-on-year +6.19% -1.74% +4.55%

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 21,456 12,496 22,491
As % of all permanent IT jobs advertised in London 47.71% 42.11% 39.05%
Number of salaries quoted 12,663 10,456 19,016
10th Percentile £45,000 £44,750 £40,000
25th Percentile £55,000 £53,750 £50,000
Median annual salary (50th Percentile) £72,500 £70,000 £67,500
Median % change year-on-year +3.57% +3.70% +8.00%
75th Percentile £90,000 £87,500 £85,000
90th Percentile £107,500 £107,500 £97,500
England median annual salary £60,000 £57,500 £55,000
% change year-on-year +4.35% +4.55% +10.00%

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 23 July 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 23 July 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 -17 308 £70,000 - 112
West London +19 186 £70,000 +27.27% 64
South London +3 66 £62,000 +3.33% 12
East London -1 9 £72,500 +11.54% 37
North London +11 5 £55,000 -
REST
England

For the 6 months to 23 July 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 1,639 (51.12%) Agile Software Development
2 1,405 (43.82%) JavaScript
3 1,172 (36.56%) React
4 1,102 (34.37%) Java
5 1,059 (33.03%) AWS
6 1,015 (31.66%) Microservices
7 957 (29.85%) Software Engineering
8 953 (29.73%) Docker
9 878 (27.39%) SQL
10 872 (27.20%) Git (software)
11 825 (25.73%) Python
12 820 (25.58%) TDD
13 802 (25.02%) Node.js
14 790 (24.64%) Finance
15 789 (24.61%) TypeScript
16 763 (23.80%) Social Skills
17 715 (22.30%) AngularJS
18 704 (21.96%) CSS
19 701 (21.87%) Kubernetes
20 671 (20.93%) C#
21 669 (20.87%) HTML
22 663 (20.68%) Test Automation
23 629 (19.62%) RESTful
24 612 (19.09%) .NET
25 589 (18.37%) Web Services
26 570 (17.78%) DevOps
27 560 (17.47%) GraphQL
28 557 (17.37%) Azure
29 549 (17.12%) Continuous Integration
30 532 (16.59%) NoSQL

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
1 135 (4.21%) Confluence
1 135 (4.21%) Elasticsearch
2 92 (2.87%) CMS
3 87 (2.71%) Apache
4 83 (2.59%) Tomcat
5 66 (2.06%) nginx
6 44 (1.37%) Apache Airflow
7 40 (1.25%) IIS
8 34 (1.06%) Apache Spark
9 25 (0.78%) Apache TomEE
9 25 (0.78%) SharePoint
10 24 (0.75%) Tornado
11 21 (0.66%) Oracle SOA Suite
12 19 (0.59%) Gunicorn
13 18 (0.56%) Apache Solr
14 16 (0.50%) Oracle Coherence
15 14 (0.44%) WordPress
16 12 (0.37%) Apache Pulsar
16 12 (0.37%) Headless CMS
16 12 (0.37%) JBoss
Applications
1 40 (1.25%) Figma
2 19 (0.59%) Microsoft Office
3 16 (0.50%) Adobe XD
3 16 (0.50%) Microsoft Excel
3 16 (0.50%) Sketch
4 15 (0.47%) Photoshop
5 14 (0.44%) Adobe Illustrator
6 10 (0.31%) Zeplin
7 5 (0.16%) Chatbot
8 4 (0.12%) Adobe Creative Suite
8 4 (0.12%) Fireworks
9 3 (0.094%) Spreadsheet
10 2 (0.062%) InVision
10 2 (0.062%) MS Visio
11 1 (0.031%) Microsoft PowerPoint
Business Applications
1 22 (0.69%) Dynamics CRM
2 19 (0.59%) Distributed Ledger
3 10 (0.31%) Payment Gateway
4 9 (0.28%) Elite 3E
5 7 (0.22%) Oracle BPM
6 6 (0.19%) Shopify
7 5 (0.16%) IBM Operational Decision Manager
7 5 (0.16%) R3 Corda
8 4 (0.12%) Summit
9 3 (0.094%) Adobe Campaign
9 3 (0.094%) Salesforce.com CRM
10 2 (0.062%) SAP Hybris
10 2 (0.062%) StreamServe
10 2 (0.062%) Workday HCM
11 1 (0.031%) NetSuite
11 1 (0.031%) OpenText MBPM
11 1 (0.031%) Oracle Retail
11 1 (0.031%) Relativity
11 1 (0.031%) Remedy ITSM
11 1 (0.031%) Sentinel
Cloud Services
1 1,059 (33.03%) AWS
2 557 (17.37%) Azure
3 401 (12.51%) Serverless
4 347 (10.82%) GitHub
5 345 (10.76%) GCP
6 251 (7.83%) SaaS
7 208 (6.49%) AWS Lambda
8 120 (3.74%) Amazon S3
9 103 (3.21%) Amazon EC2
9 103 (3.21%) npm
10 98 (3.06%) Cloud Computing
11 78 (2.43%) Power Platform
12 71 (2.21%) AWS CloudFormation
13 68 (2.12%) Amazon SQS
14 66 (2.06%) Amazon Cognito
15 65 (2.03%) Amazon Kinesis
16 63 (1.97%) PaaS
17 58 (1.81%) Amazon CloudWatch
18 56 (1.75%) Amazon ECS
19 46 (1.43%) AWS Fargate
Communications & Networking
1 400 (12.48%) HTTP
2 50 (1.56%) Internet
3 45 (1.40%) Broadband
4 31 (0.97%) AMQP
5 29 (0.90%) TCP/IP
6 19 (0.59%) Network Security
7 15 (0.47%) Bluetooth
7 15 (0.47%) DVB
8 13 (0.41%) SSL
9 10 (0.31%) 5G
10 9 (0.28%) DNS
10 9 (0.28%) MQTT
10 9 (0.28%) WebEx
11 8 (0.25%) SMS
12 7 (0.22%) MPLS
13 6 (0.19%) BGP
13 6 (0.19%) OpenFlow
13 6 (0.19%) SMTP
13 6 (0.19%) SSH
13 6 (0.19%) SWIFTNet
Database & Business Intelligence
1 532 (16.59%) NoSQL
2 466 (14.54%) PostgreSQL
3 363 (11.32%) MongoDB
4 340 (10.61%) SQL Server
5 328 (10.23%) Relational Database
6 272 (8.48%) MySQL
7 248 (7.74%) Redis
8 170 (5.30%) Big Data
9 153 (4.77%) Amazon DynamoDB
10 75 (2.34%) Amazon RDS
11 74 (2.31%) Data Warehouse
12 67 (2.09%) RDBMS
13 66 (2.06%) Hadoop
14 57 (1.78%) Power BI
15 53 (1.65%) Blockchain
16 50 (1.56%) Apache Cassandra
17 42 (1.31%) Oracle Database
18 40 (1.25%) SQL Server Integration Services
19 39 (1.22%) SQL Server Reporting Services
20 31 (0.97%) MariaDB
Development Applications
1 872 (27.20%) Git (software)
2 492 (15.35%) Jenkins
3 277 (8.64%) JIRA
4 215 (6.71%) Selenium
5 210 (6.55%) Cypress.io
6 203 (6.33%) Maven
7 200 (6.24%) webpack
8 186 (5.80%) JUnit
8 186 (5.80%) TeamCity
9 153 (4.77%) Cucumber
10 151 (4.71%) GitLab
11 131 (4.09%) CircleCI
11 131 (4.09%) Postman
12 123 (3.84%) Visual Studio
13 106 (3.31%) Octopus Deploy
14 103 (3.21%) Mockito
15 83 (2.59%) gulp
16 77 (2.40%) Bitbucket
17 66 (2.06%) NUnit
18 65 (2.03%) Mocha
General
1 790 (24.64%) Finance
2 763 (23.80%) Social Skills
3 283 (8.83%) Games
4 255 (7.95%) Banking
5 217 (6.77%) Retail
6 198 (6.18%) Analytical Skills
7 169 (5.27%) Marketing
8 82 (2.56%) Legal
9 81 (2.53%) Advertising
10 79 (2.46%) Financial Institution
11 75 (2.34%) Back Office
12 55 (1.72%) Law
13 54 (1.68%) Inclusion and Diversity
14 49 (1.53%) Telecoms
15 48 (1.50%) Publishing
16 46 (1.43%) Investment Banking
17 37 (1.15%) Public Sector
18 35 (1.09%) Presentation Skills
19 29 (0.90%) Documentation Skills
20 26 (0.81%) Online Betting
Job Titles
1 1,692 (52.78%) Developer
2 457 (14.25%) Software Engineer
3 374 (11.67%) Senior Developer
4 332 (10.36%) Java Developer
5 292 (9.11%) Full Stack Developer
6 211 (6.58%) Front End Developer (Client-Side Developer)
7 188 (5.86%) Backend Developer
8 181 (5.65%) Senior Software Engineer
9 169 (5.27%) .NET Developer
10 155 (4.83%) Java Engineer
11 118 (3.68%) Software Developer
12 110 (3.43%) Lead Developer
13 94 (2.93%) React Developer
14 90 (2.81%) Senior Java Developer
15 83 (2.59%) Architect
16 81 (2.53%) JavaScript Developer
16 81 (2.53%) Python Developer
16 81 (2.53%) Senior Java Engineer
17 78 (2.43%) C# Developer
18 73 (2.28%) Python Engineer
Libraries, Frameworks & Software Standards
1 1,172 (36.56%) React
2 802 (25.02%) Node.js
3 715 (22.30%) AngularJS
4 704 (21.96%) CSS
5 669 (20.87%) HTML
6 629 (19.62%) RESTful
7 612 (19.09%) .NET
8 589 (18.37%) Web Services
9 560 (17.47%) GraphQL
10 512 (15.97%) Spring
11 360 (11.23%) JSON
12 326 (10.17%) Vue.js
13 315 (9.83%) SOAP
14 312 (9.73%) Redux
15 309 (9.64%) Spring Boot
16 300 (9.36%) Kafka
17 259 (8.08%) HTML5
18 241 (7.52%) .NET Core
19 211 (6.58%) Jest
20 194 (6.05%) ASP.NET Web API
Miscellaneous
1 486 (15.16%) User Experience
2 220 (6.86%) Mobile App
3 196 (6.11%) Self-Motivation
4 110 (3.43%) Algorithms
5 107 (3.34%) Greenfield Project
6 98 (3.06%) Data Structures
7 84 (2.62%) Blog
8 75 (2.34%) Client/Server
9 68 (2.12%) Foreign Exchange (FX)
10 65 (2.03%) Enterprise Software
11 60 (1.87%) Hedge funds
12 49 (1.53%) Virtual Team
13 41 (1.28%) Cloud Native
13 41 (1.28%) Social Media
14 40 (1.25%) Video\Live Streaming
14 40 (1.25%) Web 2.0
15 39 (1.22%) Management Information System
16 37 (1.15%) Linux Command Line
17 32 (1.00%) Legacy Applications
18 31 (0.97%) Equities
Operating Systems
1 324 (10.11%) Linux
2 186 (5.80%) Android
3 176 (5.49%) Apple iOS
4 123 (3.84%) Windows
5 78 (2.43%) Unix
6 21 (0.66%) Mac OS X
7 19 (0.59%) Mesosphere
8 10 (0.31%) Ubuntu
9 8 (0.25%) Windows Server
10 7 (0.22%) tvOS
11 6 (0.19%) Mac OS
12 5 (0.16%) CentOS
13 4 (0.12%) Embedded Linux
13 4 (0.12%) Windows Server 2008
14 3 (0.094%) Fedora
15 2 (0.062%) Windows Server 2012
16 1 (0.031%) Alpine Linux
16 1 (0.031%) VMS
Processes & Methodologies
1 1,639 (51.12%) Agile Software Development
2 1,015 (31.66%) Microservices
3 957 (29.85%) Software Engineering
4 820 (25.58%) TDD
5 663 (20.68%) Test Automation
6 570 (17.78%) DevOps
7 549 (17.12%) Continuous Integration
8 523 (16.31%) Scrum
9 460 (14.35%) Problem-Solving
10 446 (13.91%) Fintech
11 385 (12.01%) Front End Development
12 381 (11.88%) Open Source
13 369 (11.51%) Mentoring
14 368 (11.48%) BDD
15 354 (11.04%) Computer Science
16 325 (10.14%) Unit Testing
17 320 (9.98%) Analytics
18 311 (9.70%) OO
19 304 (9.48%) SOLID
20 299 (9.33%) SDLC
Programming Languages
1 1,405 (43.82%) JavaScript
2 1,102 (34.37%) Java
3 878 (27.39%) SQL
4 825 (25.73%) Python
5 789 (24.61%) TypeScript
6 671 (20.93%) C#
7 234 (7.30%) Go
8 176 (5.49%) Java 8
9 155 (4.83%) Kotlin
10 124 (3.87%) ES6
11 107 (3.34%) PHP
12 106 (3.31%) Scala
13 93 (2.90%) C++
14 88 (2.74%) PowerShell
15 82 (2.56%) C
16 76 (2.37%) Apex Code
17 75 (2.34%) Java 11
18 67 (2.09%) Apple Swift
19 64 (2.00%) Ruby
19 64 (2.00%) T-SQL
Qualifications
1 429 (13.38%) Degree
2 189 (5.90%) Computer Science Degree
3 74 (2.31%) Security Cleared
4 64 (2.00%) SC Cleared
5 35 (1.09%) Numerate Degree
6 29 (0.90%) Master's Degree
7 25 (0.78%) PhD
8 11 (0.34%) ISTQB
9 10 (0.31%) ITIL Foundation Certificate
10 9 (0.28%) DBS Check
11 8 (0.25%) ISEB
12 4 (0.12%) AWS Certification
12 4 (0.12%) MOS
13 3 (0.094%) ISTQB Foundation Certification
13 3 (0.094%) Microsoft Certification
14 2 (0.062%) CCNA
14 2 (0.062%) Cisco Certification
14 2 (0.062%) CITP
14 2 (0.062%) DV Cleared
15 1 (0.031%) ITIL Certification
Quality Assurance & Compliance
1 369 (11.51%) QA
2 116 (3.62%) Accessibility
3 27 (0.84%) WCAG
4 25 (0.78%) GRC
5 17 (0.53%) Data Quality
6 16 (0.50%) ISO/IEC 27001
7 14 (0.44%) PMO
8 10 (0.31%) GDPR
9 6 (0.19%) ISO 15022
9 6 (0.19%) ISO 20022
10 5 (0.16%) HIPAA
10 5 (0.16%) HL7
11 4 (0.12%) IEC 62304
11 4 (0.12%) ISO 13485
11 4 (0.12%) SLA
11 4 (0.12%) WAI
12 3 (0.094%) SOC 2
13 2 (0.062%) PSD2
14 1 (0.031%) Government Security Classifications
14 1 (0.031%) SEPA
System Software
1 953 (29.73%) Docker
2 16 (0.50%) Apache ZooKeeper
3 8 (0.25%) HDFS
3 8 (0.25%) Postfix
4 7 (0.22%) Ceph
4 7 (0.22%) KVM
4 7 (0.22%) Virtual Machines
5 6 (0.19%) Active Directory
6 5 (0.16%) VMware Infrastructure
7 3 (0.094%) vSphere
8 2 (0.062%) Virtual Desktop
9 1 (0.031%) Hyper-V
9 1 (0.031%) VMware ESXi
9 1 (0.031%) Xen
Systems Management
1 701 (21.87%) Kubernetes
2 257 (8.02%) Terraform
3 115 (3.59%) Ansible
4 88 (2.74%) Opscode Chef
5 75 (2.34%) Prometheus
6 70 (2.18%) Grafana
6 70 (2.18%) Puppet
7 38 (1.19%) Docker Swarm
8 32 (1.00%) Kibana
9 30 (0.94%) Opsgenie
10 26 (0.81%) Graphite
10 26 (0.81%) Graylog
11 23 (0.72%) Hadoop YARN
11 23 (0.72%) logstash
12 21 (0.66%) HAProxy
13 20 (0.62%) Consul
14 19 (0.59%) Automic
15 16 (0.50%) Istio
16 13 (0.41%) Packer
17 8 (0.25%) Single Sign-On
Vendors
1 306 (9.54%) Microsoft
2 210 (6.55%) Google
3 126 (3.93%) Oracle
4 111 (3.46%) Salesforce.com
5 78 (2.43%) Samsung
6 47 (1.47%) Splunk
7 42 (1.31%) Adobe
8 35 (1.09%) Yahoo!
8 35 (1.09%) YouTube
9 31 (0.97%) Apple
10 28 (0.87%) Atlassian
10 28 (0.87%) ServiceNow
11 27 (0.84%) Conga
12 26 (0.81%) New Relic
13 24 (0.75%) IBM
14 22 (0.69%) Facebook
15 20 (0.62%) Spotify
16 15 (0.47%) MuleSoft
17 14 (0.44%) Solace
18 13 (0.41%) LexisNexis