WebSockets Job Trends in London

WebSockets
England > London

The table below provides summary statistics and salary benchmarking for jobs advertised in London requiring WebSockets skills. It covers permanent job vacancies from the 6 months leading up to 30 December 2025, with comparisons to the same periods in the previous two years.

6 months to
30 Dec 2025
Same period 2024 Same period 2023
Rank 310 350 408
Rank change year-on-year +40 +58 +169
Permanent jobs citing WebSockets 65 81 36
As % of all permanent jobs in London 0.47% 0.51% 0.20%
As % of the Libraries, Frameworks & Software Standards category 2.43% 1.90% 0.73%
Number of salaries quoted 62 38 27
10th Percentile - £58,875 £58,750
25th Percentile £98,750 £60,000 £60,000
Median annual salary (50th Percentile) £125,000 £80,000 £95,000
Median % change year-on-year +56.25% -15.79% +26.67%
75th Percentile £136,250 £114,375 £100,000
90th Percentile £151,250 £130,000 £109,000
England median annual salary £125,000 £75,000 £70,000
% change year-on-year +66.67% +7.14% -6.67%

All Software Libraries and Frameworks
London

WebSockets falls under the Software Libraries and Frameworks category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring technical specification, industry standards, software libraries and framework skills in London.

Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 2,674 4,259 4,949
As % of all permanent jobs advertised in London 19.47% 26.97% 27.90%
Number of salaries quoted 1,929 2,657 4,304
10th Percentile £50,000 £52,000 £51,250
25th Percentile £64,000 £62,500 £62,000
Median annual salary (50th Percentile) £85,000 £82,000 £80,000
Median % change year-on-year +3.66% +2.50% -
75th Percentile £110,000 £108,418 £102,500
90th Percentile £135,000 £128,750 £120,000
England median annual salary £65,000 £65,000 £65,000
% change year-on-year - - -3.70%

WebSockets
Job Vacancy Trend in London

Historical trend showing the proportion of permanent IT job postings citing WebSockets relative to all permanent IT jobs advertised in London.

WebSockets job vacancy trend in London

WebSockets
Salary Trend in London

Salary distribution trend for jobs in London citing WebSockets.

Salary distribution trend for jobs in London citing WebSockets

WebSockets
Salary Histogram in London

Salary distribution for jobs citing WebSockets in London over the 6 months to 30 December 2025.

Salary histogram for WebSockets in London

WebSockets
Co-Occurring Skills & Capabilities in London by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Applications
1 3 (4.62%) Chatbot
1 3 (4.62%) Sketch
Cloud Services
1 13 (20.00%) AWS
2 11 (16.92%) Azure
3 9 (13.85%) GCP
4 3 (4.62%) Figma
5 2 (3.08%) Azure API Management
5 2 (3.08%) Azure Cosmos DB
5 2 (3.08%) Azure DevOps
5 2 (3.08%) Azure Service Bus
6 1 (1.54%) Amazon S3
6 1 (1.54%) CloudFront
6 1 (1.54%) Firebase
6 1 (1.54%) Google Play
6 1 (1.54%) Heroku
6 1 (1.54%) Twilio
Communications & Networking
1 2 (3.08%) HTTP
2 1 (1.54%) DNS
2 1 (1.54%) LAN
2 1 (1.54%) TCP/IP
Database & Business Intelligence
1 2 (3.08%) Azure SQL Database
2 1 (1.54%) MongoDB
2 1 (1.54%) NoSQL
Development Applications
1 2 (3.08%) Git
2 1 (1.54%) Browser DevTools
2 1 (1.54%) Crashlytics
General
1 20 (30.77%) Banking
1 20 (30.77%) Front Office
2 19 (29.23%) Investment Banking
3 17 (26.15%) Telecoms
4 6 (9.23%) Finance
5 2 (3.08%) Analytical Skills
6 1 (1.54%) Games
Job Titles
1 40 (61.54%) Developer
1 40 (61.54%) React Developer
2 20 (30.77%) Electronic Trading Developer
3 18 (27.69%) Full-Stack Developer
3 18 (27.69%) Full-Stack Java Developer
3 18 (27.69%) Java Developer
4 17 (26.15%) Senior
5 8 (12.31%) Android Engineer
5 8 (12.31%) Senior Android Engineer
6 5 (7.69%) Applications Engineer
7 4 (6.15%) Integration Engineer
7 4 (6.15%) Lead
7 4 (6.15%) Security Engineer
7 4 (6.15%) Senior Integration Engineer
7 4 (6.15%) Senior Security Engineer
8 3 (4.62%) Senior Manager
8 3 (4.62%) UI Engineer
8 3 (4.62%) User Experience Manager
8 3 (4.62%) UX Engineer
9 2 (3.08%) Azure Engineer
Libraries, Frameworks & Software Standards
1 43 (66.15%) React
2 29 (44.62%) REST
3 20 (30.77%) FIX Protocol
3 20 (30.77%) Highcharts JS
3 20 (30.77%) OpenFin
4 15 (23.08%) RESTful
5 12 (18.46%) gRPC
6 9 (13.85%) Kafka
7 4 (6.15%) Android NDK
7 4 (6.15%) GraphQL
8 3 (4.62%) Android Jetpack
8 3 (4.62%) Jetpack Compose
9 2 (3.08%) .NET
9 2 (3.08%) CSS
9 2 (3.08%) Next.js
9 2 (3.08%) OpenAPI
9 2 (3.08%) Redux
9 2 (3.08%) Swagger
10 1 (1.54%) HTML
10 1 (1.54%) WebRTC
Miscellaneous
1 20 (30.77%) Fixed Income
2 12 (18.46%) AI Agents
2 12 (18.46%) Cloud Native
3 9 (13.85%) Distributed Systems
3 9 (13.85%) Mobile App
4 2 (3.08%) Legacy Systems
5 1 (1.54%) Blog
5 1 (1.54%) Data Centre
5 1 (1.54%) Foreign Exchange (FX)
5 1 (1.54%) Greenfield Project
5 1 (1.54%) Mobile Computing
5 1 (1.54%) Onboarding
5 1 (1.54%) Video\Live Streaming
5 1 (1.54%) VUI
Operating Systems
1 18 (27.69%) Android
2 2 (3.08%) Apple iOS
3 1 (1.54%) Linux
3 1 (1.54%) Red Hat Enterprise Linux
Processes & Methodologies
1 29 (44.62%) Containerisation
1 29 (44.62%) Low Latency
2 26 (40.00%) Performance Tuning
3 25 (38.46%) Performance Optimisation
4 23 (35.38%) Visualisation
5 22 (33.85%) Analytics
6 21 (32.31%) Data Visualisation
6 21 (32.31%) User Experience
7 20 (30.77%) Computer Science
7 20 (30.77%) Dashboard Development
7 20 (30.77%) Electronic Trading
8 19 (29.23%) Full-Stack Development
8 19 (29.23%) UX Design
9 18 (27.69%) AI
10 13 (20.00%) CI/CD
10 13 (20.00%) Conversational AI
10 13 (20.00%) Conversational UI
10 13 (20.00%) Security Architecture
10 13 (20.00%) Zero Trust
11 12 (18.46%) Monetization
Programming Languages
1 23 (35.38%) JavaScript
2 22 (33.85%) TypeScript
3 18 (27.69%) Java
4 9 (13.85%) C++
4 9 (13.85%) Go
5 8 (12.31%) Kotlin
6 3 (4.62%) SQL
7 2 (3.08%) C#
7 2 (3.08%) Python
8 1 (1.54%) Bash
8 1 (1.54%) Swift
Qualifications
1 20 (30.77%) Degree
2 19 (29.23%) Computer Science Degree
3 5 (7.69%) Master's Degree
4 2 (3.08%) Azure Certification
5 1 (1.54%) RHCSA
Quality Assurance & Compliance
1 4 (6.15%) QA
2 1 (1.54%) Accessibility
System Software
1 9 (13.85%) Docker
2 1 (1.54%) VMware Infrastructure
Systems Management
1 9 (13.85%) Kubernetes
2 1 (1.54%) Nagios
Vendors
1 2 (3.08%) Microsoft
2 1 (1.54%) Google
2 1 (1.54%) OpenAI
2 1 (1.54%) Red Hat
2 1 (1.54%) SolarWinds
2 1 (1.54%) VMware