Period
to 14 December 2018

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 14 December 2018 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
14 Dec 2018
Same period 2017 Same period 2016
Rank 194 230 236
Rank change year-on-year +36 +6 +31
Contract jobs citing Blockchain 59 28 2
As % of all contract IT jobs advertised in the City of London 0.83% 0.39% 0.031%
As % of the Database & Business Intelligence category 3.31% 1.57% 0.11%
Number of daily rates quoted 40 18 1
City of London median daily rate £650 £569 £550
Median daily rate % change year-on-year +14.29% +3.41% -
10th Percentile £475 £449 £525
90th Percentile £925 £938 £575
Central London median daily rate £650 £543 £550
% change year-on-year +19.82% -1.36% -
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 1,785 1,778 1,754
As % of all contract IT jobs advertised in the City of London 25.07% 24.73% 26.80%
Number of daily rates quoted 1,423 1,461 1,398
City of London median daily rate £525 £525 £475
Median daily rate % change year-on-year - +10.53% -
10th Percentile £375 £370 £325
90th Percentile £675 £688 £664
Central London median daily rate £525 £520 £475
% change year-on-year +0.96% +9.47% +2.38%
Number of hourly rates quoted 11 9 1
City of London median hourly rate £35.00 £27.50 £45.00
Median hourly rate % change year-on-year +27.27% -38.89% +44.00%
10th Percentile £19.50 £20.75 £42.50
90th Percentile £42.19 £33.25 £47.50
Central London median hourly rate £35.00 £27.50 £45.00
% change year-on-year +27.27% -38.89% +91.59%

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 14 December 2018.

Contractor daily rate histogram for Blockchain in the City of London

For the 6 months to 14 December 2018, 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 27 (45.76%) Distributed Ledger
2 22 (37.29%) Artificial Intelligence
3 21 (35.59%) Finance
3 21 (35.59%) Docker
4 19 (32.20%) DevOps
4 19 (32.20%) Python
4 19 (32.20%) Kubernetes
5 16 (27.12%) Solidity
5 16 (27.12%) Ethereum
5 16 (27.12%) Fintech
6 15 (25.42%) Scala
6 15 (25.42%) MongoDB
7 14 (23.73%) Kafka
7 14 (23.73%) C++
7 14 (23.73%) Systems Engineering
8 13 (22.03%) Bitcoin
8 13 (22.03%) Degree
8 13 (22.03%) Analytical Skills
9 12 (20.34%) Master's Degree
10 11 (18.64%) R3 Corda
10 11 (18.64%) Mentoring
10 11 (18.64%) Go
10 11 (18.64%) Computer Science
10 11 (18.64%) Use Case
11 10 (16.95%) C#
11 10 (16.95%) Blog
11 10 (16.95%) Smart Contracts
11 10 (16.95%) Computer Science Degree
11 10 (16.95%) Hyperledger
11 10 (16.95%) Cryptocurrency

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 16 (27.12%) Ethereum
2 10 (16.95%) Hyperledger
3 1 (1.69%) Apache
3 1 (1.69%) SharePoint
Business Applications
1 27 (45.76%) Distributed Ledger
2 11 (18.64%) R3 Corda
Cloud Services
1 9 (15.25%) Microsoft Azure
2 7 (11.86%) Amazon AWS
3 5 (8.47%) Google Cloud Platform
4 2 (3.39%) AWS CloudFormation
5 1 (1.69%) Firebase
5 1 (1.69%) IaaS
5 1 (1.69%) npm
5 1 (1.69%) PaaS
5 1 (1.69%) Serverless
Communications & Networking
1 1 (1.69%) HTTP
1 1 (1.69%) IPFS
Database & Business Intelligence
1 15 (25.42%) MongoDB
2 2 (3.39%) Big Data
3 1 (1.69%) Amazon DynamoDB
3 1 (1.69%) MySQL
3 1 (1.69%) NoSQL
3 1 (1.69%) Parquet
3 1 (1.69%) PostgreSQL
3 1 (1.69%) Redis
Development Applications
1 6 (10.17%) Git (software)
1 6 (10.17%) Jenkins
2 4 (6.78%) CMake
2 4 (6.78%) Valgrind
3 1 (1.69%) Babel
3 1 (1.69%) Bower
3 1 (1.69%) Grunt
3 1 (1.69%) gulp
3 1 (1.69%) Jasmine
3 1 (1.69%) Mocha
3 1 (1.69%) SonarQube
3 1 (1.69%) Team Foundation Server
3 1 (1.69%) webpack
General
1 21 (35.59%) Finance
2 1 (1.69%) Back Office
2 1 (1.69%) Banking
2 1 (1.69%) Marketing
2 1 (1.69%) Retail
Job Titles
1 17 (28.81%) Blockchain Engineer
2 13 (22.03%) Developer
3 11 (18.64%) Architect
3 11 (18.64%) Senior Systems Engineer
4 10 (16.95%) Blockchain Consultant
4 10 (16.95%) Consultant
5 7 (11.86%) Security Architect
6 6 (10.17%) Blockchain Developer
6 6 (10.17%) Technical Consultant
7 4 (6.78%) C++ Developer
7 4 (6.78%) DevOps Engineer
7 4 (6.78%) Ethereum Developer
8 3 (5.08%) Blockchain Architect
8 3 (5.08%) Full Stack Developer
8 3 (5.08%) Senior DevOps
8 3 (5.08%) Senior DevOps Engineer
9 2 (3.39%) Blockchain Lead
9 2 (3.39%) Data Scientist
9 2 (3.39%) Senior Data Scientist
9 2 (3.39%) Senior Full Stack Developer
Libraries, Frameworks & Software Standards
1 14 (23.73%) Kafka
2 10 (16.95%) Smart Contracts
3 6 (10.17%) Truffle
4 4 (6.78%) Boost C++ Libraries
4 4 (6.78%) CSS
5 3 (5.08%) AngularJS
5 3 (5.08%) NumPy
5 3 (5.08%) Pandas
5 3 (5.08%) React
5 3 (5.08%) Redux
5 3 (5.08%) scikit-learn
6 2 (3.39%) HTML
6 2 (3.39%) Natural Language Processing
6 2 (3.39%) Node.js
6 2 (3.39%) PyMC3
6 2 (3.39%) RESTful
6 2 (3.39%) Sass
6 2 (3.39%) SpaCy
6 2 (3.39%) Vue.js
7 1 (1.69%) .NET
Miscellaneous
1 16 (27.12%) Fintech
2 13 (22.03%) Analytical Skills
2 13 (22.03%) Bitcoin
3 10 (16.95%) Blog
4 8 (13.56%) Algorithms
5 7 (11.86%) Digital Currency
6 3 (5.08%) Data Structures
7 1 (1.69%) Greenfield Project
7 1 (1.69%) User Experience
Operating Systems
1 5 (8.47%) Linux
Processes & Methodologies
1 22 (37.29%) Artificial Intelligence
2 19 (32.20%) DevOps
3 14 (23.73%) Systems Engineering
4 11 (18.64%) Computer Science
4 11 (18.64%) Mentoring
4 11 (18.64%) Use Case
5 10 (16.95%) Commercial Awareness
5 10 (16.95%) Cryptocurrency
5 10 (16.95%) Thought Leadership
6 9 (15.25%) Cryptography
6 9 (15.25%) Value Proposition
7 8 (13.56%) Agile Software Development
8 7 (11.86%) Cybersecurity
9 6 (10.17%) Continuous Integration
10 5 (8.47%) Defensive Programming
10 5 (8.47%) Machine Learning
10 5 (8.47%) Problem-Solving
10 5 (8.47%) Test Automation
11 4 (6.78%) Data Science
11 4 (6.78%) System Testing
Programming Languages
1 19 (32.20%) Python
2 16 (27.12%) Solidity
3 15 (25.42%) Scala
4 14 (23.73%) C++
5 11 (18.64%) Go
6 10 (16.95%) C#
7 9 (15.25%) C
8 5 (8.47%) JavaScript
9 4 (6.78%) Bash Shell
10 3 (5.08%) Kotlin
10 3 (5.08%) SQL
11 2 (3.39%) ES6
11 2 (3.39%) Java
11 2 (3.39%) Ruby
12 1 (1.69%) JSX
12 1 (1.69%) T-SQL
Qualifications
1 13 (22.03%) Degree
2 12 (20.34%) Master's Degree
3 10 (16.95%) Computer Science Degree
Quality Assurance & Compliance
1 2 (3.39%) QA
System Software
1 21 (35.59%) Docker
Systems Management
1 19 (32.20%) Kubernetes
2 3 (5.08%) Mesos
2 3 (5.08%) Terraform
3 2 (3.39%) Grafana
3 2 (3.39%) Prometheus
4 1 (1.69%) Ansible
4 1 (1.69%) Consul
4 1 (1.69%) Docker Swarm
Vendors
1 4 (6.78%) ConsenSys
1 4 (6.78%) Red Hat
2 3 (5.08%) Microsoft
3 1 (1.69%) Google
3 1 (1.69%) Oracle