Period
to 14 November 2019

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Big Data skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Big Data over the 6 months to 14 November 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.

Big Data
Central London > City of London
6 months to
14 Nov 2019
Same period 2018 Same period 2017
Rank 74 77 61
Rank change year-on-year +3 -16 0
Contract jobs citing Big Data 183 238 283
As % of all contract IT jobs advertised in the City of London 3.10% 3.37% 3.96%
As % of the Database & Business Intelligence category 12.59% 13.35% 16.10%
Number of daily rates quoted 149 207 246
City of London median daily rate £550 £575 £575
Median daily rate % change year-on-year -4.35% - +2.22%
10th Percentile £450 £413 £453
90th Percentile £713 £700 £725
Central London median daily rate £550 £575 £575
% change year-on-year -4.35% - +4.55%
Number of hourly rates quoted 1 0 0
City of London median hourly rate £44.57 - -
Central London median hourly rate £44.57 - -

Big Data 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 1,454 1,783 1,758
As % of all contract IT jobs advertised in the City of London 24.65% 25.24% 24.61%
Number of daily rates quoted 1,150 1,425 1,423
City of London median daily rate £525 £525 £525
10th Percentile £388 £375 £363
90th Percentile £688 £675 £688
Central London median daily rate £525 £525 £525
Number of hourly rates quoted 5 10 11
City of London median hourly rate £44.57 £29.80 £27.50
Median hourly rate % change year-on-year +49.57% +8.35% -38.89%
10th Percentile £21.20 £18.60 £20.75
90th Percentile £86.70 £48.05 £33.25
Central London median hourly rate £39.78 £29.80 £25.99
% change year-on-year +33.52% +14.63% -42.24%

Big Data
Job Vacancy Trend in the City of London

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

Job vacancy trend for Big Data in the City of London

Big Data
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 Big Data in the City of London.

Contractor daily rate trend for Big Data in the City of London

Big Data
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Big Data in the City of London over the 6 months to 14 November 2019.

Contractor daily rate histogram for Big Data in the City of London

Big Data
Contractor Hourly Rate Trend in the City of London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Big Data in the City of London.

Contractor hourly rate trend for Big Data in the City of London

Big Data
Contract Job Locations in the City of London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Big Data within the City of London region over the 6 months to 14 November 2019. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London Bridge +18 18 £525 -
Moorgate - 7 £575 -
Big Data
Central London

For the 6 months to 14 November 2019, IT contractor jobs citing Big Data 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 Big Data.

1 81 (44.26%) Python
2 75 (40.98%) Apache Spark
3 74 (40.44%) SQL
3 74 (40.44%) Hadoop
4 71 (38.80%) Finance
5 66 (36.07%) AWS
6 63 (34.43%) Agile Software Development
7 55 (30.05%) Java
8 53 (28.96%) Analytics
9 52 (28.42%) Data Science
10 44 (24.04%) Machine Learning
11 42 (22.95%) Scala
12 40 (21.86%) Kafka
13 38 (20.77%) Azure
14 36 (19.67%) GCP
15 34 (18.58%) Apache Hive
15 34 (18.58%) Data Modelling
16 33 (18.03%) DevOps
17 27 (14.75%) Artificial Intelligence
18 26 (14.21%) Banking
19 25 (13.66%) Data Warehouse
19 25 (13.66%) Business Intelligence
19 25 (13.66%) Docker
20 24 (13.11%) Google
21 23 (12.57%) NoSQL
22 22 (12.02%) Kubernetes
23 21 (11.48%) Data Structures
24 20 (10.93%) Data Engineering
24 20 (10.93%) Mentoring
24 20 (10.93%) Amazon S3

Big Data
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 75 (40.98%) Apache Spark
2 17 (9.29%) Apache
3 15 (8.20%) Apache Airflow
4 14 (7.65%) Elasticsearch
5 4 (2.19%) Luigi
6 3 (1.64%) Jupyter
6 3 (1.64%) SAS
7 2 (1.09%) Apache Solr
7 2 (1.09%) Confluence
8 1 (0.55%) SharePoint
Applications
1 6 (3.28%) MS Visio
2 5 (2.73%) Microsoft Project
3 1 (0.55%) Microsoft Excel
3 1 (0.55%) Microsoft Office
3 1 (0.55%) Spreadsheet
Business Applications
1 1 (0.55%) Aligne
1 1 (0.55%) Cognos Business Intelligence
1 1 (0.55%) Dynamics AX
1 1 (0.55%) Dynamics CRM
1 1 (0.55%) Dynamics NAV
1 1 (0.55%) Markit EDM
1 1 (0.55%) SAP Oil and Gas
Cloud Services
1 66 (36.07%) AWS
2 38 (20.77%) Azure
3 36 (19.67%) GCP
4 20 (10.93%) Amazon S3
5 16 (8.74%) Amazon EMR
6 11 (6.01%) Serverless
7 10 (5.46%) AWS Lambda
7 10 (5.46%) Power Platform
8 6 (3.28%) Amazon EC2
8 6 (3.28%) AWS CloudFormation
8 6 (3.28%) Cloud Computing
9 5 (2.73%) Amazon Kinesis
9 5 (2.73%) Amazon SageMaker
10 4 (2.19%) GitHub
11 3 (1.64%) AWS Step Functions
12 2 (1.09%) Amazon CloudWatch
12 2 (1.09%) AWS CloudTrail
12 2 (1.09%) Google Analytics
12 2 (1.09%) Office 365
13 1 (0.55%) Azure Active Directory
Communications & Networking
1 1 (0.55%) 3G
1 1 (0.55%) 4G
1 1 (0.55%) 5G
1 1 (0.55%) Firewall
1 1 (0.55%) Kerberos
1 1 (0.55%) NetScaler
1 1 (0.55%) PuTTY
Database & Business Intelligence
1 74 (40.44%) Hadoop
2 34 (18.58%) Apache Hive
3 25 (13.66%) Data Warehouse
4 23 (12.57%) NoSQL
5 18 (9.84%) Data Lake
6 15 (8.20%) PostgreSQL
7 12 (6.56%) Spark SQL
7 12 (6.56%) SQL Server
8 11 (6.01%) MySQL
9 10 (5.46%) MongoDB
9 10 (5.46%) Power BI
9 10 (5.46%) Relational Database
10 9 (4.92%) HBase
11 8 (4.37%) Amazon Redshift
12 7 (3.83%) Apache Cassandra
12 7 (3.83%) Impala
13 6 (3.28%) BigQuery
13 6 (3.28%) Enterprise Data Warehouse
13 6 (3.28%) Star Schema
14 5 (2.73%) Presto
Development Applications
1 16 (8.74%) Git (software)
1 16 (8.74%) Jenkins
2 10 (5.46%) JIRA
3 7 (3.83%) Team Foundation Server
4 6 (3.28%) Atlassian Bamboo
4 6 (3.28%) Maven
5 4 (2.19%) Cucumber
5 4 (2.19%) TeamCity
6 3 (1.64%) ERwin
6 3 (1.64%) Octopus Deploy
6 3 (1.64%) SpecFlow
7 2 (1.09%) RStudio
7 2 (1.09%) Selenium
7 2 (1.09%) Sonatype Nexus
8 1 (0.55%) Babel
8 1 (0.55%) Hudson
8 1 (0.55%) Jasmine
8 1 (0.55%) Mocha
8 1 (0.55%) Visual Studio Team System
8 1 (0.55%) webpack
General
1 71 (38.80%) Finance
2 26 (14.21%) Banking
3 10 (5.46%) Investment Banking
4 9 (4.92%) Marketing
5 8 (4.37%) Advertising
6 7 (3.83%) Front Office
7 5 (2.73%) Financial Institution
8 4 (2.19%) Telecoms
9 3 (1.64%) Law
9 3 (1.64%) Retail
10 2 (1.09%) Billing
10 2 (1.09%) Publishing
11 1 (0.55%) Environmental Health
11 1 (0.55%) Games
11 1 (0.55%) Multimedia
11 1 (0.55%) Pharmaceutical
11 1 (0.55%) Public Sector
Job Titles
1 57 (31.15%) Data Engineer
2 38 (20.77%) Developer
3 26 (14.21%) Architect
4 19 (10.38%) Data Architect
5 17 (9.29%) Python Engineer
6 16 (8.74%) Analyst
7 14 (7.65%) Big Data Engineer
8 12 (6.56%) Business Analyst
8 12 (6.56%) Python Developer
9 11 (6.01%) Big Data Developer
10 10 (5.46%) Hadoop Engineer
11 9 (4.92%) DevOps Engineer
11 9 (4.92%) Java Developer
12 8 (4.37%) Senior Developer
13 7 (3.83%) Data Scientist
13 7 (3.83%) SQL Developer
14 6 (3.28%) AWS Engineer
14 6 (3.28%) Scala Developer
14 6 (3.28%) Senior Architect
14 6 (3.28%) Senior Data Architect
Libraries, Frameworks & Software Standards
1 40 (21.86%) Kafka
2 14 (7.65%) PySpark
3 10 (5.46%) scikit-learn
4 9 (4.92%) .NET
4 9 (4.92%) React
4 9 (4.92%) XML
5 8 (4.37%) Spring
6 7 (3.83%) AngularJS
6 7 (3.83%) Spark Streaming
6 7 (3.83%) Web Services
7 6 (3.28%) JSON
7 6 (3.28%) REST
8 5 (2.73%) Apache NiFi
8 5 (2.73%) MLlib
8 5 (2.73%) Natural Language Processing
8 5 (2.73%) Play Framework
8 5 (2.73%) RESTful
9 4 (2.19%) Angular 2
9 4 (2.19%) Flask
9 4 (2.19%) SciPy
Miscellaneous
1 21 (11.48%) Data Structures
2 18 (9.84%) Algorithms
3 13 (7.10%) Analytical Skills
4 10 (5.46%) Greenfield Project
5 6 (3.28%) User Experience
6 5 (2.73%) Cloud Native
6 5 (2.73%) Foreign Exchange (FX)
7 4 (2.19%) Market Risk
7 4 (2.19%) Public Cloud
8 3 (1.64%) Equities
8 3 (1.64%) Social Media
9 2 (1.09%) Data Centre
9 2 (1.09%) Fixed Income
9 2 (1.09%) Robotics
10 1 (0.55%) Credit Risk
10 1 (0.55%) Distributed Denial-of-Service
10 1 (0.55%) Enterprise Cloud
10 1 (0.55%) Industry 4.0
10 1 (0.55%) Linux Command Line
10 1 (0.55%) Self-Motivation
Operating Systems
1 8 (4.37%) Unix
2 7 (3.83%) Linux
3 5 (2.73%) Windows
4 1 (0.55%) CentOS
4 1 (0.55%) Red Hat Enterprise Linux
Processes & Methodologies
1 63 (34.43%) Agile Software Development
2 53 (28.96%) Analytics
3 52 (28.42%) Data Science
4 44 (24.04%) Machine Learning
5 34 (18.58%) Data Modelling
6 33 (18.03%) DevOps
7 27 (14.75%) Artificial Intelligence
8 25 (13.66%) Business Intelligence
9 20 (10.93%) Data Engineering
9 20 (10.93%) Mentoring
10 19 (10.38%) Open Source
11 18 (9.84%) ETL
11 18 (9.84%) Problem-Solving
11 18 (9.84%) Scrum
12 17 (9.29%) Microservices
13 15 (8.20%) Migration
14 14 (7.65%) Coaching
14 14 (7.65%) Data Architecture
14 14 (7.65%) Data Management
15 13 (7.10%) Fintech
Programming Languages
1 81 (44.26%) Python
2 74 (40.44%) SQL
3 55 (30.05%) Java
4 42 (22.95%) Scala
5 12 (6.56%) C#
6 10 (5.46%) C++
6 10 (5.46%) R
7 8 (4.37%) Go
7 8 (4.37%) JavaScript
8 5 (2.73%) TypeScript
9 4 (2.19%) AWK
9 4 (2.19%) Bash Shell
9 4 (2.19%) ES6
9 4 (2.19%) sed
10 3 (1.64%) Java 8
10 3 (1.64%) MATLAB
10 3 (1.64%) PL/SQL
11 2 (1.09%) Clojure
11 2 (1.09%) Kotlin
12 1 (0.55%) Ruby
Qualifications
1 6 (3.28%) Degree
2 3 (1.64%) PhD
2 3 (1.64%) SC Cleared
2 3 (1.64%) Security Cleared
3 2 (1.09%) ISEB
4 1 (0.55%) AWS Certification
4 1 (0.55%) CCA
4 1 (0.55%) CEH
4 1 (0.55%) CISSP
4 1 (0.55%) Computer Science Degree
4 1 (0.55%) Numerate Degree
4 1 (0.55%) RHCE
4 1 (0.55%) TOGAF Certification
Quality Assurance & Compliance
1 14 (7.65%) Data Quality
2 3 (1.64%) QA
3 1 (0.55%) Basel III
3 1 (0.55%) GDPR
3 1 (0.55%) IFRS
3 1 (0.55%) IFRS 9
3 1 (0.55%) SLA
System Software
1 25 (13.66%) Docker
2 4 (2.19%) HDFS
3 1 (0.55%) Active Directory
3 1 (0.55%) Apache ZooKeeper
3 1 (0.55%) Microsoft App-V
3 1 (0.55%) Samba
3 1 (0.55%) Virtual Desktop
3 1 (0.55%) VMware ESXi
3 1 (0.55%) VMware Infrastructure
3 1 (0.55%) XenApp
3 1 (0.55%) XenDesktop
Systems Management
1 22 (12.02%) Kubernetes
2 13 (7.10%) Ansible
2 13 (7.10%) Terraform
3 9 (4.92%) Hadoop YARN
4 5 (2.73%) Oozie
5 3 (1.64%) Grafana
5 3 (1.64%) Kibana
5 3 (1.64%) Puppet
6 2 (1.09%) Docker Swarm
6 2 (1.09%) Prometheus
7 1 (0.55%) Ambari
7 1 (0.55%) Istio
7 1 (0.55%) ITRS Geneos
7 1 (0.55%) Microsoft Intune
7 1 (0.55%) Opscode Chef
7 1 (0.55%) SCCM
7 1 (0.55%) Suricata
Vendors
1 24 (13.11%) Google
2 18 (9.84%) Microsoft
3 12 (6.56%) Cloudera
4 11 (6.01%) Tableau
5 9 (4.92%) Oracle
6 4 (2.19%) Hortonworks
6 4 (2.19%) Informatica
7 2 (1.09%) SAP
7 2 (1.09%) Splunk
7 2 (1.09%) Talend
7 2 (1.09%) Teradata
8 1 (0.55%) Ab Initio
8 1 (0.55%) Cognos
8 1 (0.55%) Ivanti
8 1 (0.55%) MicroStrategy
8 1 (0.55%) Qualys
8 1 (0.55%) Red Hat
8 1 (0.55%) Salesforce.com
8 1 (0.55%) Sybase
8 1 (0.55%) VMware