Period
to 16 September 2021

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for Unit Testing skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Unit Testing over the 6 months to 16 September 2021 with a comparison to the same period in the previous 2 years.

Unit Testing
England > London
6 months to
16 Sep 2021
Same period 2020 Same period 2019
Rank 106 183 152
Rank change year-on-year +77 -31 +8
Permanent jobs citing Unit Testing 1,651 397 1,293
As % of all permanent jobs advertised in London 3.38% 1.87% 2.32%
As % of the Processes & Methodologies category 3.54% 1.99% 2.48%
Number of salaries quoted 837 314 1,145
10th Percentile £46,250 £45,000 £43,750
25th Percentile £55,000 £50,000 £52,500
Median annual salary (50th Percentile) £72,000 £60,000 £65,000
Median % change year-on-year +20.00% -7.69% +4.00%
75th Percentile £86,250 £77,500 £80,000
90th Percentile £96,270 £95,000 £92,500
England median annual salary £57,500 £52,500 £55,000
% change year-on-year +9.52% -4.55% +10.00%

Unit Testing is in the Processes and Methodologies 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 process or methodology skills.

All Process and Methodology Skills
London
Permanent vacancies with a requirement for process or methodology skills 46,605 19,997 52,116
As % of all permanent IT jobs advertised in London 95.45% 94.01% 93.49%
Number of salaries quoted 30,296 16,641 42,466
10th Percentile £42,500 £42,500 £36,250
25th Percentile £52,500 £52,500 £47,500
Median annual salary (50th Percentile) £70,000 £70,000 £65,000
Median % change year-on-year - +7.69% +4.00%
75th Percentile £88,750 £86,250 £82,500
90th Percentile £105,000 £108,750 £100,000
England median annual salary £57,500 £55,244 £52,500
% change year-on-year +4.08% +5.23% +3.96%

Unit Testing
Job Vacancy Trend in London

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

Job vacancy trend for Unit Testing in London

Unit Testing
Salary Trend in London

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

Salary trend for Unit Testing in London

Unit Testing
Salary Histogram in London

Salary distribution for jobs citing Unit Testing in London over the 6 months to 16 September 2021.

Salary histogram for Unit Testing in London

Unit Testing
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Unit Testing within the London region over the 6 months to 16 September 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 -21 131 £72,500 +20.83% 84
West London -24 53 £71,250 +35.71% 26
South London -26 17 £60,000 - 4
North London -9 1 £50,000 -31.03% 4
East London -11 1 - - 19
Unit Testing
England

For the 6 months to 16 September 2021, IT jobs citing Unit Testing 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 Unit Testing.

1 991 (60.02%) Agile Software Development
2 715 (43.31%) JavaScript
3 631 (38.22%) SQL
4 629 (38.10%) React
5 584 (35.37%) AWS
6 579 (35.07%) Software Engineering
7 539 (32.65%) TDD
8 506 (30.65%) Docker
9 500 (30.28%) Git (software)
10 478 (28.95%) Finance
11 470 (28.47%) C#
12 449 (27.20%) Azure
13 435 (26.35%) .NET
14 431 (26.11%) Microservices
15 415 (25.14%) Kubernetes
16 411 (24.89%) Java
17 386 (23.38%) CSS
18 385 (23.32%) Social Skills
19 376 (22.77%) REST
20 375 (22.71%) HTML
21 374 (22.65%) Node.js
22 352 (21.32%) Python
23 350 (21.20%) TypeScript
24 346 (20.96%) Test Automation
25 332 (20.11%) DevOps
25 332 (20.11%) AngularJS
26 325 (19.69%) Full Stack Development
27 321 (19.44%) Continuous Integration
28 314 (19.02%) Jenkins
29 309 (18.72%) GCP

Unit Testing
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
1 120 (7.27%) Elasticsearch
2 95 (5.75%) Confluence
3 70 (4.24%) Apache Spark
4 34 (2.06%) nginx
5 31 (1.88%) Tomcat
6 29 (1.76%) IIS
7 27 (1.64%) Apache
8 25 (1.51%) Apache Solr
9 16 (0.97%) Traefik
10 15 (0.91%) CMS
11 8 (0.48%) Oracle SOA Suite
12 6 (0.36%) SharePoint
13 5 (0.30%) Ethereum
13 5 (0.30%) Hyperledger
14 4 (0.24%) Adobe Experience Manager
14 4 (0.24%) Apache Airflow
14 4 (0.24%) NServiceBus
14 4 (0.24%) WordPress
15 3 (0.18%) Mule
15 3 (0.18%) Mule ESB
Applications
1 23 (1.39%) Figma
1 23 (1.39%) Sketch
2 20 (1.21%) Microsoft Office
3 16 (0.97%) InVision
4 11 (0.67%) Microsoft Excel
5 8 (0.48%) Zeplin
6 6 (0.36%) UXPin
7 1 (0.061%) Microsoft PowerPoint
7 1 (0.061%) MS Visio
Business Applications
1 23 (1.39%) Magento
2 20 (1.21%) Shopify
3 16 (0.97%) MetaTrader
4 14 (0.85%) Payment Gateway
5 5 (0.30%) Distributed Ledger
5 5 (0.30%) R3 Corda
5 5 (0.30%) SAP Oil and Gas
5 5 (0.30%) Sparx Enterprise Architect
6 4 (0.24%) Oracle ERP
7 3 (0.18%) Dynamics CRM
7 3 (0.18%) FastStats
7 3 (0.18%) FastStats PeopleStage
8 2 (0.12%) Dynamics AX
8 2 (0.12%) NetSuite
9 1 (0.061%) HFM
Cloud Services
1 584 (35.37%) AWS
2 449 (27.20%) Azure
3 309 (18.72%) GCP
4 157 (9.51%) Serverless
5 115 (6.97%) SaaS
6 85 (5.15%) GitHub
7 62 (3.76%) npm
8 55 (3.33%) Amazon EMR
8 55 (3.33%) AWS Lambda
9 53 (3.21%) Amazon SQS
10 52 (3.15%) Yarn
11 49 (2.97%) AWS CloudFormation
11 49 (2.97%) IBM Cloud
12 45 (2.73%) Snowflake
13 43 (2.60%) AWS Step Functions
14 40 (2.42%) Cloud Computing
14 40 (2.42%) Slack
15 38 (2.30%) Power Platform
16 33 (2.00%) PaaS
17 32 (1.94%) Amazon EC2
Communications & Networking
1 135 (8.18%) HTTP
2 80 (4.85%) Broadband
3 16 (0.97%) SSL
4 15 (0.91%) MQTT
5 14 (0.85%) Internet
6 9 (0.55%) RIP
7 5 (0.30%) FTP
8 2 (0.12%) Firewall
8 2 (0.12%) Network Security
Database & Business Intelligence
1 284 (17.20%) SQL Server
2 252 (15.26%) PostgreSQL
3 208 (12.60%) NoSQL
4 186 (11.27%) Redis
5 151 (9.15%) Relational Database
6 148 (8.96%) MongoDB
7 125 (7.57%) MySQL
8 120 (7.27%) Big Data
9 101 (6.12%) Hadoop
10 75 (4.54%) Amazon DynamoDB
11 62 (3.76%) Neo4j
12 59 (3.57%) Amazon Redshift
12 59 (3.57%) RDBMS
13 55 (3.33%) Amazon Athena
14 48 (2.91%) Electronic Patient Records
15 38 (2.30%) Power BI
16 33 (2.00%) SQL Server Integration Services
17 28 (1.70%) Oracle Database
18 25 (1.51%) Azure SQL Database
19 23 (1.39%) Tableau
Development Applications
1 500 (30.28%) Git (software)
2 314 (19.02%) Jenkins
3 190 (11.51%) JIRA
4 142 (8.60%) JUnit
5 128 (7.75%) Selenium
6 125 (7.57%) webpack
7 113 (6.84%) Atlassian Bamboo
8 104 (6.30%) Maven
9 102 (6.18%) Cypress.io
10 94 (5.69%) NUnit
11 84 (5.09%) Octopus Deploy
12 78 (4.72%) Team Foundation Server
13 69 (4.18%) Mockito
14 65 (3.94%) Jasmine
15 63 (3.82%) Moq
16 62 (3.76%) gulp
17 60 (3.63%) JMeter
18 59 (3.57%) Mocha
18 59 (3.57%) Postman
19 55 (3.33%) Vagrant
General
1 478 (28.95%) Finance
2 385 (23.32%) Social Skills
3 181 (10.96%) Banking
4 133 (8.06%) Analytical Skills
5 96 (5.81%) Retail
6 63 (3.82%) Inclusion and Diversity
7 57 (3.45%) Games
8 38 (2.30%) Retail Banking
9 36 (2.18%) Marketing
10 34 (2.06%) Financial Institution
10 34 (2.06%) Investment Banking
11 23 (1.39%) Legal
12 18 (1.09%) Law
13 17 (1.03%) Back Office
13 17 (1.03%) Publishing
14 14 (0.85%) Telecoms
15 13 (0.79%) Front Office
15 13 (0.79%) Manufacturing
15 13 (0.79%) Public Sector
16 11 (0.67%) Presentation Skills
Job Titles
1 867 (52.51%) Developer
2 299 (18.11%) Senior Developer
3 272 (16.47%) Software Engineer
4 157 (9.51%) React Developer
5 142 (8.60%) Front End Developer (Client-Side Developer)
6 116 (7.03%) .NET Developer
7 110 (6.66%) Senior Software Engineer
8 103 (6.24%) Java Developer
9 92 (5.57%) C# Developer
10 90 (5.45%) Full Stack Developer
11 79 (4.78%) JavaScript Developer
12 68 (4.12%) Senior React Developer
13 65 (3.94%) Architect
14 58 (3.51%) Senior Front-End Developer
15 57 (3.45%) Data Engineer
15 57 (3.45%) Software Developer
16 52 (3.15%) Senior JavaScript Developer
17 51 (3.09%) Senior C# Developer
18 47 (2.85%) Java Engineer
18 47 (2.85%) UI Developer
Libraries, Frameworks & Software Standards
1 629 (38.10%) React
2 435 (26.35%) .NET
3 386 (23.38%) CSS
4 376 (22.77%) REST
5 375 (22.71%) HTML
6 374 (22.65%) Node.js
7 332 (20.11%) AngularJS
8 238 (14.42%) Jest
9 232 (14.05%) .NET Core
10 212 (12.84%) Web Services
11 210 (12.72%) Redux
12 196 (11.87%) .NET Framework
13 169 (10.24%) Spring
14 167 (10.12%) Kafka
15 146 (8.84%) RabbitMQ
16 140 (8.48%) React Native
17 135 (8.18%) GraphQL
18 134 (8.12%) RESTful
19 132 (8.00%) HTML5
20 120 (7.27%) Vue.js
Miscellaneous
1 266 (16.11%) User Experience
2 85 (5.15%) Mobile App
3 79 (4.78%) Algorithms
4 63 (3.82%) Self-Motivation
5 62 (3.76%) Legacy Code
6 58 (3.51%) Foreign Exchange (FX)
7 48 (2.91%) Greenfield Project
8 47 (2.85%) Data Structures
9 45 (2.73%) Embedded Systems
9 45 (2.73%) Over-the-Top Content
10 39 (2.36%) Equities
11 36 (2.18%) Enterprise Software
12 32 (1.94%) Social Media
13 30 (1.82%) Contract for Difference
13 30 (1.82%) Spread Betting
14 29 (1.76%) Video\Live Streaming
15 28 (1.70%) Cloud Native
15 28 (1.70%) Video on Demand
16 27 (1.64%) iPhone
17 26 (1.57%) Linux Command Line
Operating Systems
1 233 (14.11%) Linux
2 175 (10.60%) Android
3 166 (10.05%) Apple iOS
4 108 (6.54%) Windows
5 26 (1.57%) Unix
6 13 (0.79%) Embedded Linux
7 1 (0.061%) Red Hat Enterprise Linux
7 1 (0.061%) Windows Server
Processes & Methodologies
1 991 (60.02%) Agile Software Development
2 579 (35.07%) Software Engineering
3 539 (32.65%) TDD
4 431 (26.11%) Microservices
5 346 (20.96%) Test Automation
6 332 (20.11%) DevOps
7 325 (19.69%) Full Stack Development
8 321 (19.44%) Continuous Integration
9 285 (17.26%) Scrum
10 251 (15.20%) Problem-Solving
11 239 (14.48%) OO
12 236 (14.29%) Front End Development
13 230 (13.93%) Integration Testing
14 211 (12.78%) SDLC
15 209 (12.66%) BDD
16 202 (12.24%) Mentoring
17 199 (12.05%) Fintech
18 193 (11.69%) Analytics
19 165 (9.99%) Continuous Delivery
20 164 (9.93%) Artificial Intelligence
Programming Languages
1 715 (43.31%) JavaScript
2 631 (38.22%) SQL
3 470 (28.47%) C#
4 411 (24.89%) Java
5 352 (21.32%) Python
6 350 (21.20%) TypeScript
7 128 (7.75%) ES6
8 89 (5.39%) Java 8
9 86 (5.21%) PHP
10 76 (4.60%) Kotlin
11 68 (4.12%) PowerShell
12 60 (3.63%) C++
13 51 (3.09%) Apple Swift
14 49 (2.97%) Scala
15 44 (2.67%) Go
16 42 (2.54%) Ruby
17 41 (2.48%) Rust
18 35 (2.12%) Java 11
19 32 (1.94%) C
20 29 (1.76%) Shell Script
Qualifications
1 141 (8.54%) Degree
2 69 (4.18%) Computer Science Degree
3 10 (0.61%) Master's Degree
4 7 (0.42%) ITIL Foundation Certificate
5 6 (0.36%) Security Cleared
6 4 (0.24%) HND
6 4 (0.24%) Microsoft Certification
7 1 (0.061%) SC Cleared
Quality Assurance & Compliance
1 199 (12.05%) QA
2 72 (4.36%) Accessibility
3 54 (3.27%) PSD2
4 24 (1.45%) WCAG
5 14 (0.85%) SLA
6 8 (0.48%) Data Quality
7 5 (0.30%) GDPR
8 2 (0.12%) IFRS
9 1 (0.061%) PMO
System Software
1 506 (30.65%) Docker
2 55 (3.33%) VirtualBox
3 29 (1.76%) Apache ZooKeeper
4 2 (0.12%) Apache Flume
4 2 (0.12%) Varnish
Systems Management
1 415 (25.14%) Kubernetes
2 172 (10.42%) Terraform
3 90 (5.45%) Ansible
4 86 (5.21%) Grafana
5 59 (3.57%) Prometheus
6 55 (3.33%) Docker Swarm
7 30 (1.82%) Opsgenie
8 26 (1.57%) Hadoop YARN
8 26 (1.57%) Kibana
9 24 (1.45%) logstash
10 15 (0.91%) Graphite
10 15 (0.91%) Graylog
10 15 (0.91%) HAProxy
10 15 (0.91%) Opscode Chef
10 15 (0.91%) Pingdom
10 15 (0.91%) ZABBIX
11 12 (0.73%) Bugsnag
12 11 (0.67%) MIIS
13 9 (0.55%) HP Quality Center
13 9 (0.55%) ITRS Geneos
Vendors
1 225 (13.63%) Google
2 162 (9.81%) Microsoft
3 110 (6.66%) Oracle
4 61 (3.69%) Cloudera
4 61 (3.69%) Hortonworks
5 58 (3.51%) IBM
6 54 (3.27%) Talend
7 51 (3.09%) Informatica
8 46 (2.79%) Atlassian
9 29 (1.76%) SAP
10 23 (1.39%) Apple
10 23 (1.39%) New Relic
10 23 (1.39%) Spotify
11 19 (1.15%) Alibaba
12 17 (1.03%) Red Hat
13 16 (0.97%) Salesforce.com
14 15 (0.91%) Sun
15 14 (0.85%) BT
15 14 (0.85%) Facebook
16 13 (0.79%) QAD