Period
to

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for Jest skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Jest over the 6 months to 8 August 2022 with a comparison to the same period in the previous 2 years.

Jest
England > London
6 months to
8 Aug 2022
Same period 2021 Same period 2020
Rank 201 183 301
Rank change year-on-year -18 +118 +191
Permanent jobs citing Jest 1,538 957 264
As % of all permanent jobs advertised in London 2.11% 2.10% 0.98%
As % of the Libraries, Frameworks & Software Standards category 4.79% 4.46% 2.36%
Number of salaries quoted 239 345 229
10th Percentile £45,000 £47,000 £48,750
25th Percentile £63,742 £55,000 £56,250
Median annual salary (50th Percentile) £80,000 £67,500 £72,500
Median % change year-on-year +18.52% -6.90% +16.00%
75th Percentile £90,625 £85,000 £87,500
90th Percentile £115,000 £97,500 £101,250
England median annual salary £70,000 £62,500 £62,500
% change year-on-year +12.00% - +4.17%

Jest 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 32,133 21,465 11,207
As % of all permanent IT jobs advertised in London 44.01% 47.20% 41.54%
Number of salaries quoted 12,430 12,479 9,344
10th Percentile £47,500 £45,000 £45,000
25th Percentile £58,063 £55,000 £55,000
Median annual salary (50th Percentile) £75,000 £72,500 £70,000
Median % change year-on-year +3.45% +3.57% +3.70%
75th Percentile £95,000 £90,000 £87,500
90th Percentile £115,000 £110,000 £105,000
England median annual salary £65,000 £60,000 £57,500
% change year-on-year +8.33% +4.35% +4.55%

Jest
Job Vacancy Trend in London

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

Job vacancy trend for Jest in London

Jest
Salary Trend in London

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

Salary trend for Jest in London

Jest
Salary Histogram in London

Salary distribution for jobs citing Jest in London over the 6 months to 8 August 2022.

Salary histogram for Jest in London

Jest
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Jest within the London region over the 6 months to 8 August 2022. 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
Jobs
Central London -40 31 £87,500 +40.00% 15
West London -34 17 £62,500 - 3
South London -45 8 - -
East London -43 1 - - 3
North London - 1 - -
Jest
England

For the 6 months to 8 August 2022, IT jobs citing Jest 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 Jest.

1 1,304 (84.79%) React
2 1,075 (69.90%) JavaScript
3 960 (62.42%) TypeScript
4 944 (61.38%) Agile
5 829 (53.90%) Node.js
6 704 (45.77%) Cypress.io
7 699 (45.45%) CSS
8 627 (40.77%) HTML
9 595 (38.69%) CI/CD
10 578 (37.58%) AWS
11 560 (36.41%) Test Automation
12 552 (35.89%) Full Stack Development
13 549 (35.70%) User Experience
14 535 (34.79%) Redux
15 534 (34.72%) Software Engineering
16 501 (32.57%) Git (software)
17 492 (31.99%) Front End Development
18 479 (31.14%) Docker
19 453 (29.45%) TDD
20 451 (29.32%) Finance
21 450 (29.26%) Sass
22 406 (26.40%) REST
23 389 (25.29%) ES6
24 371 (24.12%) Microservices
25 370 (24.06%) Social Skills
26 353 (22.95%) Kubernetes
27 342 (22.24%) HTML5
28 337 (21.91%) Continuous Integration
29 330 (21.46%) Degree
30 322 (20.94%) GraphQL

Jest
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 88 (5.72%) CMS
2 45 (2.93%) Confluence
3 30 (1.95%) Headless CMS
4 28 (1.82%) Strapi
5 22 (1.43%) WebLogic
6 20 (1.30%) Cloud Foundry
7 18 (1.17%) Ethereum
7 18 (1.17%) Jupyter
8 15 (0.98%) WordPress
9 5 (0.33%) nginx
10 2 (0.13%) Adobe Experience Manager
11 1 (0.065%) Apache Spark
Applications
1 43 (2.80%) Photoshop
2 21 (1.37%) Sketch
3 18 (1.17%) Chatbot
4 5 (0.33%) InVision
5 4 (0.26%) AutoCAD
5 4 (0.26%) Revit
Business Applications
1 8 (0.52%) SAP Hybris
1 8 (0.52%) Shopify
2 2 (0.13%) Payment Gateway
3 1 (0.065%) Dynamics GP
3 1 (0.065%) Magento
Cloud Services
1 578 (37.58%) AWS
2 288 (18.73%) GitHub
3 285 (18.53%) Azure
4 213 (13.85%) GCP
5 208 (13.52%) Serverless
6 201 (13.07%) SaaS
7 169 (10.99%) npm
8 143 (9.30%) Amazon S3
9 132 (8.58%) AWS Lambda
10 97 (6.31%) GitHub Actions
11 68 (4.42%) Amazon SQS
12 67 (4.36%) Azure DevOps
13 62 (4.03%) Firebase
14 61 (3.97%) Yarn
15 58 (3.77%) CloudFront
16 48 (3.12%) Figma
17 46 (2.99%) AWS CloudFormation
18 42 (2.73%) Slack
19 36 (2.34%) Cloud Computing
20 32 (2.08%) Heroku
Communications & Networking
1 75 (4.88%) HTTP
2 27 (1.76%) MQTT
3 20 (1.30%) VoIP
4 15 (0.98%) Internet
5 10 (0.65%) Broadband
6 3 (0.20%) HTTPS
7 1 (0.065%) DNS
7 1 (0.065%) SSH
7 1 (0.065%) TCP/IP
Database & Business Intelligence
1 313 (20.35%) PostgreSQL
2 163 (10.60%) MySQL
3 157 (10.21%) NoSQL
4 156 (10.14%) Relational Database
5 150 (9.75%) Redis
6 112 (7.28%) MongoDB
7 107 (6.96%) DynamoDB
8 72 (4.68%) Amazon RDS
8 72 (4.68%) Elasticsearch
9 54 (3.51%) SQL Server
10 38 (2.47%) Amazon Aurora
11 34 (2.21%) Couchbase
12 29 (1.89%) BigQuery
13 24 (1.56%) Big Data
13 24 (1.56%) RDBMS
14 9 (0.59%) Amazon Redshift
15 6 (0.39%) SQLite
16 4 (0.26%) Amazon Athena
17 3 (0.20%) Apache Hive
17 3 (0.20%) MariaDB
Development Applications
1 704 (45.77%) Cypress.io
2 501 (32.57%) Git (software)
3 308 (20.03%) webpack
4 231 (15.02%) Jenkins
5 223 (14.50%) Mocha
6 188 (12.22%) Jasmine
7 162 (10.53%) JIRA
8 147 (9.56%) CircleCI
9 137 (8.91%) GitLab
10 128 (8.32%) Babel
11 116 (7.54%) Selenium
12 73 (4.75%) Cucumber
13 69 (4.49%) Karma Test Runner
14 62 (4.03%) Storybook
15 61 (3.97%) Octopus Deploy
16 52 (3.38%) ESLint
17 48 (3.12%) Grunt
17 48 (3.12%) Mockito
18 46 (2.99%) Travis CI
19 43 (2.80%) JUnit
General
1 451 (29.32%) Finance
2 370 (24.06%) Social Skills
3 195 (12.68%) Retail
4 191 (12.42%) Games
5 116 (7.54%) Banking
6 95 (6.18%) Analytical Skills
7 89 (5.79%) Inclusion and Diversity
8 83 (5.40%) Marketing
9 60 (3.90%) Advertising
10 57 (3.71%) Legal
11 45 (2.93%) Automotive
12 43 (2.80%) Public Sector
13 35 (2.28%) Electronics
13 35 (2.28%) Military
14 33 (2.15%) Pharmaceutical
15 32 (2.08%) Organisational Skills
16 27 (1.76%) Tech for Good
17 23 (1.50%) Publishing
18 21 (1.37%) Financial Institution
19 20 (1.30%) Front Office
Job Titles
1 815 (52.99%) Developer
2 375 (24.38%) Front End Developer (Client-Side Developer)
3 321 (20.87%) Software Engineer
4 320 (20.81%) Senior Developer
5 202 (13.13%) Full Stack Developer
6 173 (11.25%) React Developer
7 167 (10.86%) Senior Front-End Developer
8 112 (7.28%) JavaScript Developer
8 112 (7.28%) Lead Developer
9 91 (5.92%) Senior Software Engineer
10 68 (4.42%) Senior JavaScript Developer
11 66 (4.29%) Web Engineer
12 64 (4.16%) Senior Full Stack Developer
13 43 (2.80%) Senior React Developer
14 41 (2.67%) JavaScript Engineer
15 37 (2.41%) QA Engineer
15 37 (2.41%) Software Developer
16 33 (2.15%) Lead Software Engineer
17 28 (1.82%) Senior Web Engineer
18 26 (1.69%) UI Developer
Libraries, Frameworks & Software Standards
1 1,304 (84.79%) React
2 829 (53.90%) Node.js
3 699 (45.45%) CSS
4 627 (40.77%) HTML
5 535 (34.79%) Redux
6 450 (29.26%) Sass
7 406 (26.40%) REST
8 342 (22.24%) HTML5
9 322 (20.94%) GraphQL
10 315 (20.48%) React Native
11 314 (20.42%) Enzyme
12 263 (17.10%) AngularJS
13 255 (16.58%) Next.js
14 246 (15.99%) CSS3
15 232 (15.08%) Vue.js
16 215 (13.98%) RESTful
17 177 (11.51%) .NET
18 140 (9.10%) Twitter Bootstrap
19 134 (8.71%) Express
20 131 (8.52%) Web Services
Miscellaneous
1 549 (35.70%) User Experience
2 122 (7.93%) Mobile App
3 99 (6.44%) Enterprise Software
4 70 (4.55%) Self-Motivation
5 64 (4.16%) Algorithms
6 54 (3.51%) Social Media
7 52 (3.38%) Blog
8 47 (3.06%) Virtual Team
9 46 (2.99%) Greenfield Project
9 46 (2.99%) NHS
10 43 (2.80%) Cloud Native
10 43 (2.80%) PropTech
11 42 (2.73%) Foreign Exchange (FX)
12 39 (2.54%) Social Network
13 36 (2.34%) Data Structures
14 35 (2.28%) Robotics
15 33 (2.15%) Sports Betting
16 30 (1.95%) Wiki
17 28 (1.82%) Hackathon
18 27 (1.76%) BBC
Operating Systems
1 115 (7.48%) Android
2 104 (6.76%) Apple iOS
3 55 (3.58%) Linux
4 33 (2.15%) Windows
5 24 (1.56%) Unix
6 17 (1.11%) tvOS
7 5 (0.33%) Mac OS
7 5 (0.33%) Tizen
7 5 (0.33%) webOS
8 4 (0.26%) Ubuntu
9 1 (0.065%) VMS
Processes & Methodologies
1 944 (61.38%) Agile
2 595 (38.69%) CI/CD
3 560 (36.41%) Test Automation
4 552 (35.89%) Full Stack Development
5 534 (34.72%) Software Engineering
6 492 (31.99%) Front End Development
7 453 (29.45%) TDD
8 371 (24.12%) Microservices
9 337 (21.91%) Continuous Integration
10 321 (20.87%) DevOps
11 290 (18.86%) Unit Testing
12 265 (17.23%) Scrum
13 262 (17.04%) UX Design
14 258 (16.78%) Mentoring
15 254 (16.51%) Problem-Solving
16 225 (14.63%) Computer Science
17 215 (13.98%) BDD
18 209 (13.59%) Analytics
19 171 (11.12%) Coaching
20 159 (10.34%) Pair Programming
Programming Languages
1 1,075 (69.90%) JavaScript
2 960 (62.42%) TypeScript
3 389 (25.29%) ES6
4 280 (18.21%) Python
5 243 (15.80%) SQL
6 194 (12.61%) Java
7 154 (10.01%) C#
8 65 (4.23%) Scala
9 61 (3.97%) PowerShell
10 56 (3.64%) ES7
10 56 (3.64%) Ruby
11 40 (2.60%) PHP
12 37 (2.41%) Kotlin
13 32 (2.08%) C
14 31 (2.02%) Go
15 30 (1.95%) Bash
16 26 (1.69%) C++
17 25 (1.63%) Apple Swift
18 18 (1.17%) Rust
19 14 (0.91%) Solidity
Qualifications
1 330 (21.46%) Degree
2 149 (9.69%) Computer Science Degree
3 93 (6.05%) Master's Degree
4 15 (0.98%) ISTQB
5 11 (0.72%) Numerate Degree
6 6 (0.39%) PMI Certification
7 4 (0.26%) HND
8 1 (0.065%) AWS Certification
Quality Assurance & Compliance
1 270 (17.56%) QA
2 137 (8.91%) Accessibility
3 22 (1.43%) WCAG
4 12 (0.78%) GDPR
5 3 (0.20%) HIPAA
5 3 (0.20%) ISO/IEC 27001
6 1 (0.065%) PMO
System Software
1 479 (31.14%) Docker
2 11 (0.72%) Virtual Machines
Systems Management
1 353 (22.95%) Kubernetes
2 107 (6.96%) Terraform
3 61 (3.97%) Grafana
4 40 (2.60%) Prometheus
5 31 (2.02%) Opscode Chef
6 29 (1.89%) Docker Swarm
7 24 (1.56%) HAProxy
7 24 (1.56%) Kibana
7 24 (1.56%) logstash
7 24 (1.56%) MIIS
7 24 (1.56%) Opsgenie
7 24 (1.56%) Pingdom
7 24 (1.56%) ZABBIX
8 17 (1.11%) Bugsnag
9 16 (1.04%) Ansible
10 13 (0.85%) Argo
11 12 (0.78%) Rancher
11 12 (0.78%) WebSphere Cast Iron
12 8 (0.52%) Puppet
13 7 (0.46%) Istio
Vendors
1 186 (12.09%) Google
2 54 (3.51%) Microsoft
2 54 (3.51%) New Relic
3 47 (3.06%) Apple
4 34 (2.21%) Cadence
4 34 (2.21%) Salesforce.com
5 28 (1.82%) Mapbox
6 24 (1.56%) IBM
7 18 (1.17%) Siemens
8 17 (1.11%) Roku
8 17 (1.11%) Samsung
9 16 (1.04%) Sun
10 11 (0.72%) Atlassian
10 11 (0.72%) ConsenSys
10 11 (0.72%) Facebook
10 11 (0.72%) Twitter
11 9 (0.59%) Oracle
11 9 (0.59%) SAP
11 9 (0.59%) Sony
11 9 (0.59%) Zend