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

RESTful
England > London
6 months to
2 Dec 2021
Same period 2020 Same period 2019
Rank 80 95 83
Rank change year-on-year +15 -12 -19
Permanent jobs citing RESTful 1,999 759 2,026
As % of all permanent jobs advertised in London 3.87% 3.45% 3.76%
As % of the Libraries, Frameworks & Software Standards category 8.51% 7.61% 9.38%
Number of salaries quoted 976 645 1,713
10th Percentile £45,000 £50,000 £38,750
25th Percentile £57,500 £57,500 £47,500
Median annual salary (50th Percentile) £70,000 £70,000 £65,000
Median % change year-on-year - +7.69% -
75th Percentile £87,500 £80,000 £80,000
90th Percentile £97,500 £93,250 £91,250
England median annual salary £60,000 £55,000 £55,000
% change year-on-year +9.09% - -

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 23,487 9,974 21,593
As % of all permanent IT jobs advertised in London 45.44% 45.28% 40.05%
Number of salaries quoted 13,782 8,740 18,164
10th Percentile £46,250 £46,250 £41,250
25th Percentile £57,500 £56,250 £52,500
Median annual salary (50th Percentile) £75,000 £70,000 £70,000
Median % change year-on-year +7.14% - +7.69%
75th Percentile £93,750 £88,750 £85,000
90th Percentile £115,000 £111,250 £101,250
England median annual salary £60,000 £57,500 £55,000
% change year-on-year +4.35% +4.55% +4.76%

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 2 December 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 2 December 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 -45 153 £72,500 -3.33% 95
West London -22 82 £67,500 -6.90% 41
South London 0 61 £67,500 +12.50% 5
East London -24 9 £55,000 -12.00% 23
North London - 3 £150,000 -
RESTful
England

For the 6 months to 2 December 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 1,206 (60.33%) Agile Software Development
2 945 (47.27%) JavaScript
3 733 (36.67%) Java
4 705 (35.27%) React
5 701 (35.07%) Docker
6 685 (34.27%) AWS
7 640 (32.02%) Microservices
8 634 (31.72%) Software Engineering
9 580 (29.01%) Git (software)
10 573 (28.66%) TDD
11 545 (27.26%) Full Stack Development
12 516 (25.81%) CSS
13 508 (25.41%) HTML
14 499 (24.96%) Azure
15 489 (24.46%) Finance
16 481 (24.06%) SQL
17 471 (23.56%) Node.js
17 471 (23.56%) AngularJS
18 467 (23.36%) Test Automation
18 467 (23.36%) Kubernetes
19 451 (22.56%) C#
20 443 (22.16%) TypeScript
21 437 (21.86%) DevOps
22 430 (21.51%) Web Services
23 429 (21.46%) REST
24 425 (21.26%) Social Skills
25 423 (21.16%) NoSQL
26 418 (20.91%) .NET
27 389 (19.46%) Jenkins
28 383 (19.16%) Continuous Integration

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
1 112 (5.60%) CMS
2 104 (5.20%) Confluence
2 104 (5.20%) Elasticsearch
3 30 (1.50%) Apache Airflow
3 30 (1.50%) Apache Solr
3 30 (1.50%) Apache Spark
4 29 (1.45%) WordPress
5 27 (1.35%) Apache
6 15 (0.75%) Camunda
6 15 (0.75%) nginx
6 15 (0.75%) Tomcat
7 14 (0.70%) Oracle Coherence
7 14 (0.70%) Tornado
8 11 (0.55%) IBM Domino
9 8 (0.40%) Adobe Experience Manager
10 7 (0.35%) Headless CMS
10 7 (0.35%) Mule
11 6 (0.30%) Kentico
12 5 (0.25%) IIS
12 5 (0.25%) WebSphere
Applications
1 15 (0.75%) Adobe Illustrator
1 15 (0.75%) Photoshop
2 10 (0.50%) Figma
2 10 (0.50%) GIMP
3 6 (0.30%) Chatbot
4 5 (0.25%) Fireworks
5 2 (0.10%) Microsoft Excel
5 2 (0.10%) Spreadsheet
6 1 (0.050%) Adobe Creative Suite
6 1 (0.050%) InDesign
6 1 (0.050%) InVision
6 1 (0.050%) Sketch
Business Applications
1 26 (1.30%) Distributed Ledger
2 19 (0.95%) Payment Gateway
3 13 (0.65%) R3 Corda
4 4 (0.20%) Shopify
5 3 (0.15%) Oracle BPM
6 2 (0.10%) IBM Operational Decision Manager
7 1 (0.050%) BASE24
7 1 (0.050%) Magento
7 1 (0.050%) SAP Hybris
Cloud Services
1 685 (34.27%) AWS
2 499 (24.96%) Azure
3 342 (17.11%) GitHub
4 214 (10.71%) SaaS
5 213 (10.66%) GCP
6 205 (10.26%) Serverless
7 91 (4.55%) npm
8 75 (3.75%) OpenShift
9 66 (3.30%) AWS Lambda
10 57 (2.85%) Azure Functions
11 56 (2.80%) PaaS
12 45 (2.25%) Amazon EC2
13 38 (1.90%) Cloud Computing
14 35 (1.75%) Amazon EKS
15 30 (1.50%) Amazon S3
15 30 (1.50%) Heroku
16 25 (1.25%) GitHub Actions
17 23 (1.15%) Amazon Alexa
17 23 (1.15%) Amazon Kinesis
18 21 (1.05%) BlazeMeter
Communications & Networking
1 184 (9.20%) HTTP
2 34 (1.70%) Broadband
3 33 (1.65%) Kerberos
4 31 (1.55%) Internet
5 15 (0.75%) Firewall
6 13 (0.65%) SSL
7 11 (0.55%) TCP/IP
8 9 (0.45%) DNS
9 6 (0.30%) SWIFTNet
10 5 (0.25%) BIG-IP
10 5 (0.25%) NetScaler
11 4 (0.20%) 5G
11 4 (0.20%) AMQP
11 4 (0.20%) HTTPS
11 4 (0.20%) Wireshark
12 3 (0.15%) VPN
13 1 (0.050%) ATM
13 1 (0.050%) Intranet
13 1 (0.050%) PPP
13 1 (0.050%) SAN
Database & Business Intelligence
1 423 (21.16%) NoSQL
2 313 (15.66%) Relational Database
3 227 (11.36%) MongoDB
4 220 (11.01%) PostgreSQL
5 198 (9.90%) MySQL
6 146 (7.30%) Redis
7 144 (7.20%) SQL Server
8 63 (3.15%) Amazon DynamoDB
9 59 (2.95%) Blockchain
10 42 (2.10%) Apache Cassandra
11 41 (2.05%) RDBMS
12 35 (1.75%) Amazon RDS
12 35 (1.75%) Big Data
13 34 (1.70%) Hadoop
14 28 (1.40%) Oracle Database
15 22 (1.10%) Couchbase
16 21 (1.05%) Data Lake
17 20 (1.00%) BigQuery
18 19 (0.95%) Hazelcast
19 15 (0.75%) SQL Server Reporting Services
Development Applications
1 580 (29.01%) Git (software)
2 389 (19.46%) Jenkins
3 202 (10.11%) JIRA
4 161 (8.05%) Maven
5 154 (7.70%) TeamCity
6 141 (7.05%) JUnit
7 96 (4.80%) Selenium
8 92 (4.60%) Mockito
9 86 (4.30%) webpack
10 84 (4.20%) GitLab
11 74 (3.70%) Cucumber
12 72 (3.60%) Octopus Deploy
13 63 (3.15%) Gradle
14 62 (3.10%) SpecFlow
15 59 (2.95%) Bitbucket
16 47 (2.35%) Mocha
16 47 (2.35%) Postman
16 47 (2.35%) WebDriver
17 40 (2.00%) JMeter
17 40 (2.00%) NUnit
General
1 489 (24.46%) Finance
2 425 (21.26%) Social Skills
3 190 (9.50%) Banking
4 144 (7.20%) Retail
5 120 (6.00%) Games
6 100 (5.00%) Marketing
7 69 (3.45%) Analytical Skills
8 65 (3.25%) Publishing
9 61 (3.05%) Advertising
10 52 (2.60%) Inclusion and Diversity
11 49 (2.45%) Investment Banking
11 49 (2.45%) Public Sector
12 45 (2.25%) Legal
13 29 (1.45%) Financial Institution
14 25 (1.25%) Documentation Skills
15 24 (1.20%) Law
16 23 (1.15%) Back Office
17 22 (1.10%) Front Office
18 20 (1.00%) Retail Banking
19 19 (0.95%) Online Betting
Job Titles
1 1,054 (52.73%) Developer
2 391 (19.56%) Software Engineer
3 281 (14.06%) Senior Developer
4 263 (13.16%) Java Developer
5 179 (8.95%) Full Stack Developer
6 142 (7.10%) Senior Software Engineer
7 110 (5.50%) Front End Developer (Client-Side Developer)
8 104 (5.20%) .NET Developer
9 90 (4.50%) Backend Developer
10 82 (4.10%) Software Developer
11 80 (4.00%) PHP Developer
12 75 (3.75%) Java Engineer
13 72 (3.60%) Lead Developer
14 68 (3.40%) Senior Java Developer
15 57 (2.85%) Principal Engineer
15 57 (2.85%) React Developer
16 50 (2.50%) Senior Java Engineer
17 45 (2.25%) Architect
18 42 (2.10%) Lead Software Engineer
19 41 (2.05%) Python Developer
Libraries, Frameworks & Software Standards
1 705 (35.27%) React
2 516 (25.81%) CSS
3 508 (25.41%) HTML
4 471 (23.56%) AngularJS
4 471 (23.56%) Node.js
5 430 (21.51%) Web Services
6 429 (21.46%) REST
7 418 (20.91%) .NET
8 373 (18.66%) Spring
9 273 (13.66%) Spring Boot
10 212 (10.61%) HTML5
11 194 (9.70%) JSON
12 191 (9.55%) GraphQL
13 175 (8.75%) .NET Core
14 159 (7.95%) .NET Framework
15 155 (7.75%) Redux
16 149 (7.45%) Vue.js
17 146 (7.30%) CSS3
18 129 (6.45%) Kafka
19 122 (6.10%) ASP.NET
Miscellaneous
1 238 (11.91%) User Experience
2 155 (7.75%) Mobile App
3 119 (5.95%) Algorithms
4 106 (5.30%) Greenfield Project
5 71 (3.55%) Blog
6 58 (2.90%) Data Structures
6 58 (2.90%) Enterprise Software
7 57 (2.85%) Self-Motivation
8 56 (2.80%) Cloud Native
9 53 (2.65%) Virtual Team
10 52 (2.60%) NHS
11 42 (2.10%) Social Media
12 38 (1.90%) Client/Server
12 38 (1.90%) Legacy Code
13 34 (1.70%) Social Network
14 28 (1.40%) Foreign Exchange (FX)
14 28 (1.40%) Public Cloud
15 19 (0.95%) Data Centre
15 19 (0.95%) iPhone
16 18 (0.90%) Xbox
Operating Systems
1 114 (5.70%) Linux
2 105 (5.25%) Apple iOS
3 101 (5.05%) Android
4 77 (3.85%) Unix
5 52 (2.60%) Windows
6 10 (0.50%) Mac OS
7 5 (0.25%) VMS
8 4 (0.20%) Tizen
8 4 (0.20%) watchOS
8 4 (0.20%) webOS
8 4 (0.20%) Windows Server
9 3 (0.15%) FreeBSD
10 2 (0.10%) Mac OS X
10 2 (0.10%) Red Hat Enterprise Linux
11 1 (0.050%) CentOS
11 1 (0.050%) Debian
11 1 (0.050%) Embedded Linux
11 1 (0.050%) Fedora
11 1 (0.050%) Solaris
11 1 (0.050%) Ubuntu
Processes & Methodologies
1 1,206 (60.33%) Agile Software Development
2 640 (32.02%) Microservices
3 634 (31.72%) Software Engineering
4 573 (28.66%) TDD
5 545 (27.26%) Full Stack Development
6 467 (23.36%) Test Automation
7 437 (21.86%) DevOps
8 383 (19.16%) Continuous Integration
9 342 (17.11%) Scrum
10 315 (15.76%) Fintech
11 310 (15.51%) OOP
12 286 (14.31%) Computer Science
13 261 (13.06%) Continuous Improvement
14 257 (12.86%) Problem-Solving
15 256 (12.81%) BDD
16 242 (12.11%) OO
17 229 (11.46%) Front End Development
18 214 (10.71%) SOLID
19 213 (10.66%) MVC
20 202 (10.11%) Mentoring
Programming Languages
1 945 (47.27%) JavaScript
2 733 (36.67%) Java
3 481 (24.06%) SQL
4 451 (22.56%) C#
5 443 (22.16%) TypeScript
6 364 (18.21%) Python
7 161 (8.05%) Java 8
8 147 (7.35%) PHP
9 93 (4.65%) Kotlin
10 89 (4.45%) ES6
11 69 (3.45%) Go
11 69 (3.45%) Scala
12 64 (3.20%) Java 11
13 58 (2.90%) Ruby
14 48 (2.40%) Shell Script
15 43 (2.15%) Bash Shell
15 43 (2.15%) T-SQL
16 38 (1.90%) PHP 7
17 36 (1.80%) Apple Swift
18 32 (1.60%) C++
Qualifications
1 284 (14.21%) Degree
2 167 (8.35%) Computer Science Degree
3 57 (2.85%) Security Cleared
4 44 (2.20%) Numerate Degree
5 31 (1.55%) SC Cleared
6 17 (0.85%) Master's Degree
7 16 (0.80%) ISEB
8 14 (0.70%) ISTQB
9 13 (0.65%) Cisco Certification
10 10 (0.50%) AWS Certification
11 9 (0.45%) (ISC)2 CCSP
11 9 (0.45%) CESG Certified Professional
12 6 (0.30%) SAFe Agilist
13 5 (0.25%) PhD
14 4 (0.20%) CCNA
15 2 (0.10%) BPSS Clearance
15 2 (0.10%) DV Cleared
15 2 (0.10%) MBA
16 1 (0.050%) Microsoft Certification
16 1 (0.050%) OCPJP
Quality Assurance & Compliance
1 288 (14.41%) QA
2 37 (1.85%) Accessibility
3 14 (0.70%) PMO
4 9 (0.45%) IASME
4 9 (0.45%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
4 9 (0.45%) NIST
5 8 (0.40%) Data Quality
5 8 (0.40%) GDPR
5 8 (0.40%) IEC 62304
5 8 (0.40%) ISO 13485
6 6 (0.30%) ISO 15022
6 6 (0.30%) ISO 20022
7 5 (0.25%) GRC
8 1 (0.050%) ISO 8583
8 1 (0.050%) PSD2
System Software
1 701 (35.07%) Docker
2 18 (0.90%) Postfix
3 9 (0.45%) Apache ZooKeeper
4 4 (0.20%) Active Directory
5 3 (0.15%) LXC
6 2 (0.10%) HDFS
7 1 (0.050%) Varnish
7 1 (0.050%) VMware Infrastructure
Systems Management
1 467 (23.36%) Kubernetes
2 184 (9.20%) Terraform
3 98 (4.90%) Ansible
4 53 (2.65%) Puppet
5 39 (1.95%) Opscode Chef
6 28 (1.40%) Docker Swarm
7 16 (0.80%) Single Sign-On
8 13 (0.65%) Istio
9 9 (0.45%) CASB
9 9 (0.45%) Grafana
10 8 (0.40%) Prometheus
11 4 (0.20%) Hadoop YARN
12 3 (0.15%) Kibana
12 3 (0.15%) logstash
12 3 (0.15%) Rundeck
13 2 (0.10%) Rancher
14 1 (0.050%) collectd
14 1 (0.050%) Control-M
14 1 (0.050%) Graphite
14 1 (0.050%) MIIS
Vendors
1 169 (8.45%) Microsoft
2 141 (7.05%) Google
3 97 (4.85%) Oracle
4 90 (4.50%) Samsung
5 42 (2.10%) Apple
6 32 (1.60%) Facebook
7 30 (1.50%) Salesforce.com
8 22 (1.10%) New Relic
9 21 (1.05%) Adobe
10 20 (1.00%) Cognizant
11 17 (0.85%) Xamarin
12 16 (0.80%) Snapchat
13 15 (0.75%) Atlassian
13 15 (0.75%) MuleSoft
14 14 (0.70%) Solace
14 14 (0.70%) TikTok
15 13 (0.65%) BT
15 13 (0.65%) ServiceNow
15 13 (0.65%) Splunk
16 10 (0.50%) Sony