Period
to 16 September 2019

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Blockchain skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Blockchain over the 6 months to 16 September 2019 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Blockchain
Central London > City of London
6 months to
16 Sep 2019
Same period 2018 Same period 2017
Rank 195 171 228
Rank change year-on-year -24 +57 -
Contract jobs citing Blockchain 30 86 14
As % of all contract IT jobs advertised in the City of London 0.48% 1.25% 0.21%
As % of the Database & Business Intelligence category 1.88% 4.79% 0.81%
Number of daily rates quoted 25 62 4
City of London median daily rate £650 £625 £588
Median daily rate % change year-on-year +4.00% +6.38% -
10th Percentile £428 £413 £506
90th Percentile £750 £788 £664
Central London median daily rate £600 £625 £588
% change year-on-year -4.00% +6.38% -
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

Blockchain is in the Databases and Business Intelligence category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
City of London
Contract vacancies with a requirement for database or business intelligence skills 1,594 1,794 1,733
As % of all contract IT jobs advertised in the City of London 25.59% 26.04% 25.67%
Number of daily rates quoted 1,272 1,419 1,365
City of London median daily rate £525 £525 £515
Median daily rate % change year-on-year - +1.94% +11.35%
10th Percentile £388 £369 £363
90th Percentile £688 £675 £675
Central London median daily rate £525 £525 £500
% change year-on-year - +5.00% +11.11%
Number of hourly rates quoted 9 14 7
City of London median hourly rate £44.57 £22.25 £24.49
Median hourly rate % change year-on-year +100.29% -9.13% +28.87%
10th Percentile £22.05 £19.50 £20.75
90th Percentile £70.10 £37.09 £31.07
Central London median hourly rate £44.57 £22.25 £24.49
% change year-on-year +100.29% -9.13% +28.87%

Blockchain
Job Vacancy Trend in the City of London

Job postings citing Blockchain as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Blockchain in the City of London

Blockchain
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Blockchain in the City of London.

Contractor daily rate trend for Blockchain in the City of London

Blockchain
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Blockchain in the City of London over the 6 months to 16 September 2019.

Contractor daily rate histogram for Blockchain in the City of London

For the 6 months to 16 September 2019, IT contractor jobs citing Blockchain also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the City of London region with a requirement for Blockchain.

1 16 (53.33%) Docker
2 15 (50.00%) DevOps
3 14 (46.67%) Kubernetes
4 8 (26.67%) Distributed Ledger
4 8 (26.67%) Finance
4 8 (26.67%) Artificial Intelligence
4 8 (26.67%) MongoDB
5 7 (23.33%) Kafka
5 7 (23.33%) Microservices
5 7 (23.33%) Java
5 7 (23.33%) Scala
5 7 (23.33%) Systems Engineering
6 6 (20.00%) JavaScript
6 6 (20.00%) Python
6 6 (20.00%) Fintech
7 5 (16.67%) ES6
7 5 (16.67%) React
7 5 (16.67%) Go
7 5 (16.67%) Linux
7 5 (16.67%) Agile Software Development
8 4 (13.33%) Azure
8 4 (13.33%) AWS
8 4 (13.33%) Terraform
9 3 (10.00%) Electron Framework
9 3 (10.00%) AngularJS
9 3 (10.00%) Ansible
9 3 (10.00%) Low Latency
9 3 (10.00%) TypeScript
9 3 (10.00%) Spring
9 3 (10.00%) Test Strategy

Blockchain
Co-occurring IT Skills in the City of 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 1 (3.33%) Cloud Foundry
1 1 (3.33%) Ethereum
1 1 (3.33%) Hyperledger
1 1 (3.33%) OpenStack
Business Applications
1 8 (26.67%) Distributed Ledger
2 1 (3.33%) R3 Corda
Cloud Services
1 4 (13.33%) AWS
1 4 (13.33%) Azure
2 2 (6.67%) Serverless
3 1 (3.33%) Amazon EC2
3 1 (3.33%) Amazon ELB
3 1 (3.33%) AWS CloudFormation
3 1 (3.33%) GCP
3 1 (3.33%) IaaS
3 1 (3.33%) OpenShift
3 1 (3.33%) PaaS
3 1 (3.33%) SaaS
Communications & Networking
1 1 (3.33%) Peer-to-Peer Networking
1 1 (3.33%) VPN
Database & Business Intelligence
1 8 (26.67%) MongoDB
2 3 (10.00%) MySQL
3 2 (6.67%) Big Data
3 2 (6.67%) NoSQL
3 2 (6.67%) PostgreSQL
Development Applications
1 2 (6.67%) Babel
1 2 (6.67%) Jasmine
1 2 (6.67%) Mocha
1 2 (6.67%) webpack
2 1 (3.33%) Appium
2 1 (3.33%) Cucumber
2 1 (3.33%) Git (software)
2 1 (3.33%) Jenkins
2 1 (3.33%) Octopus Deploy
2 1 (3.33%) Selenium
2 1 (3.33%) TeamCity
2 1 (3.33%) WebDriver
General
1 8 (26.67%) Finance
2 3 (10.00%) Banking
Job Titles
1 13 (43.33%) Developer
2 9 (30.00%) Blockchain Engineer
3 5 (16.67%) React Developer
3 5 (16.67%) Senior Systems Engineer
4 4 (13.33%) Full Stack Developer
4 4 (13.33%) Senior Developer
5 3 (10.00%) DevOps Engineer
5 3 (10.00%) Java Developer
6 2 (6.67%) Analyst
6 2 (6.67%) Backend Developer
6 2 (6.67%) Blockchain Business Analyst
6 2 (6.67%) Business Analyst
6 2 (6.67%) JavaScript Developer
6 2 (6.67%) Senior Backend Developer
6 2 (6.67%) Senior JavaScript Developer
6 2 (6.67%) Senior React Developer
6 2 (6.67%) Senior UI Developer
6 2 (6.67%) Test Automation Engineer
6 2 (6.67%) Test Engineer
6 2 (6.67%) UI Developer
Libraries, Frameworks & Software Standards
1 7 (23.33%) Kafka
2 5 (16.67%) React
3 3 (10.00%) AngularJS
3 3 (10.00%) Electron Framework
3 3 (10.00%) REST
3 3 (10.00%) Spring
3 3 (10.00%) WebSockets
4 2 (6.67%) CSS
4 2 (6.67%) Jest
4 2 (6.67%) JSLint
4 2 (6.67%) Node.js
4 2 (6.67%) OAuth
4 2 (6.67%) OAuth2
4 2 (6.67%) OpenID
4 2 (6.67%) Redux
4 2 (6.67%) Sass
4 2 (6.67%) Spring Boot
5 1 (3.33%) OpenFin
5 1 (3.33%) React Native
5 1 (3.33%) Vue.js
Miscellaneous
1 1 (3.33%) Algorithms
1 1 (3.33%) Cardano
1 1 (3.33%) Data Structures
1 1 (3.33%) Hybrid Cloud
1 1 (3.33%) User Experience
Operating Systems
1 5 (16.67%) Linux
Processes & Methodologies
1 15 (50.00%) DevOps
2 8 (26.67%) Artificial Intelligence
3 7 (23.33%) Microservices
3 7 (23.33%) Systems Engineering
4 6 (20.00%) Fintech
5 5 (16.67%) Agile Software Development
6 3 (10.00%) Low Latency
6 3 (10.00%) Test Strategy
7 2 (6.67%) API Design
7 2 (6.67%) Cybersecurity
7 2 (6.67%) Infrastructure as Code
7 2 (6.67%) Scenario Testing
7 2 (6.67%) Scrum
7 2 (6.67%) Software Delivery
7 2 (6.67%) TDD
7 2 (6.67%) Test Automation
7 2 (6.67%) Test Planning
7 2 (6.67%) User Acceptance Testing
8 1 (3.33%) Open Source
8 1 (3.33%) Waterfall
Programming Languages
1 7 (23.33%) Java
1 7 (23.33%) Scala
2 6 (20.00%) JavaScript
2 6 (20.00%) Python
3 5 (16.67%) ES6
3 5 (16.67%) Go
4 3 (10.00%) Kotlin
4 3 (10.00%) TypeScript
5 2 (6.67%) Java 8
5 2 (6.67%) JSX
6 1 (3.33%) Bash Shell
6 1 (3.33%) C++
6 1 (3.33%) Haskell
6 1 (3.33%) PowerShell
6 1 (3.33%) Ruby
6 1 (3.33%) SQL
Quality Assurance & Compliance
1 1 (3.33%) QA
System Software
1 16 (53.33%) Docker
Systems Management
1 14 (46.67%) Kubernetes
2 4 (13.33%) Terraform
3 3 (10.00%) Ansible
4 2 (6.67%) Grafana
4 2 (6.67%) Prometheus
5 1 (3.33%) Mesos
5 1 (3.33%) Puppet
Vendors
1 1 (3.33%) Microsoft