Period
to 17 January 2022

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 17 January 2022 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
17 Jan 2022
Same period 2021 Same period 2020
Rank 88 85 91
Rank change year-on-year -3 +6 -24
Contract jobs citing Big Data 90 41 124
As % of all contract jobs advertised in the City of London 2.27% 2.03% 2.49%
As % of the Database & Business Intelligence category 9.61% 8.89% 10.70%
Number of daily rates quoted 79 32 94
10th Percentile £443 £406 £413
25th Percentile £525 £411 £463
Median daily rate (50th Percentile) £625 £551 £550
Median % change year-on-year +13.38% +0.23% -0.90%
75th Percentile £738 £609 £638
90th Percentile £815 £649 £724
Central London median daily rate £625 £550 £550
% change year-on-year +13.64% - -4.35%
Number of hourly rates quoted 1 0 0
Median hourly rate £60.50 - -
Central London median hourly rate £60.50 - -

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 937 461 1,159
As % of all contract IT jobs advertised in the City of London 23.67% 22.82% 23.32%
Number of daily rates quoted 742 347 916
10th Percentile £371 £327 £375
25th Percentile £488 £415 £425
Median daily rate (50th Percentile) £570 £525 £515
Median % change year-on-year +8.57% +1.94% -1.90%
75th Percentile £669 £625 £594
90th Percentile £750 £688 £663
Central London median daily rate £565 £525 £511
% change year-on-year +7.67% +2.74% -2.67%
Number of hourly rates quoted 6 1 4
10th Percentile £34.75 " £22.17
25th Percentile £39.00 " £23.67
Median hourly rate £53.25 £22.00 £25.00
Median % change year-on-year +142.05% -12.00% -32.60%
75th Percentile £61.56 " £33.00
90th Percentile £69.63 " £46.50
Central London median hourly rate £53.25 £42.25 £25.00
% change year-on-year +26.04% +69.00% -32.60%

Big Data
Job Vacancy Trend in the City of London

Job postings citing Big Data as a proportion 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

3-month moving average daily rate quoted in jobs citing Big Data in the City of London.

Daily rate trend for Big Data in the City of London

Big Data
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Big Data in the City of London over the 6 months to 17 January 2022.

Daily rate histogram for Big Data in the City of London

Big Data
Contractor Hourly Rate Trend in the City of London

3-month moving average hourly rates quoted in jobs citing Big Data in the City of London.

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 17 January 2022. 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 -5 3 £650 +8.33%
Big Data
Central London

For the 6 months to 17 January 2022, 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 46 (51.11%) Apache Spark
2 38 (42.22%) AWS
3 36 (40.00%) SQL
4 32 (35.56%) Finance
5 31 (34.44%) Agile Software Development
6 29 (32.22%) ETL
7 28 (31.11%) Social Skills
8 27 (30.00%) DevOps
9 26 (28.89%) Analytics
10 25 (27.78%) Hadoop
10 25 (27.78%) Data Engineering
11 24 (26.67%) Kafka
11 24 (26.67%) Data Modelling
12 20 (22.22%) Python
12 20 (22.22%) Java
12 20 (22.22%) NoSQL
13 19 (21.11%) Business Intelligence
13 19 (21.11%) Data Warehouse
14 18 (20.00%) SQL Server
15 17 (18.89%) Data Science
15 17 (18.89%) GCP
16 16 (17.78%) Oracle
17 15 (16.67%) Cloudera
18 14 (15.56%) MongoDB
18 14 (15.56%) Amazon S3
18 14 (15.56%) Analytical Skills
19 13 (14.44%) Relational Database
19 13 (14.44%) Git (software)
19 13 (14.44%) Data Quality
20 12 (13.33%) Apache Hive

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 46 (51.11%) Apache Spark
2 5 (5.56%) Apache
3 3 (3.33%) Moodle
4 2 (2.22%) Camunda
5 1 (1.11%) Elasticsearch
5 1 (1.11%) Jupyter
Applications
1 1 (1.11%) Microsoft Excel
1 1 (1.11%) Microsoft PowerPoint
1 1 (1.11%) Microsoft Project
1 1 (1.11%) MS Visio
Cloud Services
1 38 (42.22%) AWS
2 17 (18.89%) GCP
3 14 (15.56%) Amazon S3
4 12 (13.33%) Azure
5 10 (11.11%) Amazon EMR
6 9 (10.00%) Serverless
7 5 (5.56%) Amazon Kinesis
7 5 (5.56%) AWS Lambda
7 5 (5.56%) Power Platform
8 4 (4.44%) AWS CodePipeline
8 4 (4.44%) Azure Data Factory
8 4 (4.44%) PaaS
8 4 (4.44%) Snowflake
9 3 (3.33%) Amazon ECS
9 3 (3.33%) Amazon SQS
9 3 (3.33%) AWS CodeBuild
9 3 (3.33%) AWS Fargate
9 3 (3.33%) Azure Cosmos DB
9 3 (3.33%) Matillion
9 3 (3.33%) OpenShift
Communications & Networking
1 1 (1.11%) 5G
1 1 (1.11%) Broadband
1 1 (1.11%) Cisco IPT
1 1 (1.11%) DOCSIS
1 1 (1.11%) Ethernet
1 1 (1.11%) LAN
1 1 (1.11%) Multicast
1 1 (1.11%) WAN
1 1 (1.11%) Wi-Fi
Database & Business Intelligence
1 25 (27.78%) Hadoop
2 20 (22.22%) NoSQL
3 19 (21.11%) Data Warehouse
4 18 (20.00%) SQL Server
5 14 (15.56%) MongoDB
6 13 (14.44%) Relational Database
7 12 (13.33%) Apache Hive
7 12 (13.33%) RDBMS
8 11 (12.22%) Tableau
9 10 (11.11%) Apache Cassandra
9 10 (11.11%) Data Lake
10 9 (10.00%) Amazon Redshift
11 8 (8.89%) Amazon RDS
12 6 (6.67%) Amazon Athena
12 6 (6.67%) BigQuery
12 6 (6.67%) Data Vault
12 6 (6.67%) Parquet
13 5 (5.56%) Power BI
14 4 (4.44%) Flink
14 4 (4.44%) Metadata
Development Applications
1 13 (14.44%) Git (software)
2 10 (11.11%) Jenkins
3 9 (10.00%) JIRA
4 1 (1.11%) AppScan
4 1 (1.11%) Gatling
4 1 (1.11%) Grunt
4 1 (1.11%) gulp
4 1 (1.11%) IBM UrbanCode
4 1 (1.11%) Jasmine
4 1 (1.11%) PhantomJS
4 1 (1.11%) Postman
4 1 (1.11%) Selenium
4 1 (1.11%) TeamCity
4 1 (1.11%) Visual Studio Team System
4 1 (1.11%) webpack
General
1 32 (35.56%) Finance
2 28 (31.11%) Social Skills
3 14 (15.56%) Analytical Skills
4 10 (11.11%) Financial Institution
4 10 (11.11%) Legal
5 5 (5.56%) Banking
5 5 (5.56%) Public Sector
6 4 (4.44%) Presentation Skills
7 2 (2.22%) Documentation Skills
7 2 (2.22%) Front Office
7 2 (2.22%) Marketing
7 2 (2.22%) Retail
8 1 (1.11%) Advertising
8 1 (1.11%) Electronics
8 1 (1.11%) Investment Banking
8 1 (1.11%) Telecoms
Job Titles
1 29 (32.22%) Developer
2 20 (22.22%) Architect
2 20 (22.22%) Data Engineer
3 8 (8.89%) Data Architect
3 8 (8.89%) Java Developer
4 7 (7.78%) Data Scientist
5 6 (6.67%) Solutions Architect
5 6 (6.67%) Talend Developer
6 4 (4.44%) Senior Data Engineer
6 4 (4.44%) Senior Data Scientist
7 3 (3.33%) Analyst
7 3 (3.33%) Business Intelligence Architect
7 3 (3.33%) DevOps Engineer
7 3 (3.33%) Moodle Developer
7 3 (3.33%) Senior Architect
7 3 (3.33%) Senior Developer
7 3 (3.33%) Senior DevOps
7 3 (3.33%) Senior DevOps Engineer
7 3 (3.33%) Senior Java Developer
7 3 (3.33%) Test Leader
Libraries, Frameworks & Software Standards
1 24 (26.67%) Kafka
2 7 (7.78%) Apache Avro
2 7 (7.78%) JSON
2 7 (7.78%) XML
3 6 (6.67%) CSS
3 6 (6.67%) HTML
4 5 (5.56%) .NET
5 4 (4.44%) AngularJS
5 4 (4.44%) React
5 4 (4.44%) Web Services
6 3 (3.33%) Apache Beam
6 3 (3.33%) PySpark
6 3 (3.33%) REST
6 3 (3.33%) SQLAlchemy
7 2 (2.22%) .NET Framework
7 2 (2.22%) Oracle GoldenGate
7 2 (2.22%) TensorFlow
8 1 (1.11%) Redux
8 1 (1.11%) Spark Streaming
8 1 (1.11%) Vue.js
Miscellaneous
1 12 (13.33%) Algorithms
2 10 (11.11%) Hedge funds
3 4 (4.44%) Legacy Applications
3 4 (4.44%) Management Information System
4 3 (3.33%) Data Structures
4 3 (3.33%) e-Learning
4 3 (3.33%) Greenfield Project
4 3 (3.33%) SCORM
5 2 (2.22%) Enterprise Software
5 2 (2.22%) Market Risk
5 2 (2.22%) Mobile App
6 1 (1.11%) Cloud Native
6 1 (1.11%) Credit Risk
6 1 (1.11%) Hybrid Cloud
6 1 (1.11%) Robotics
6 1 (1.11%) Self-Motivation
6 1 (1.11%) Social Media
6 1 (1.11%) Taxonomies
6 1 (1.11%) User Experience
Operating Systems
1 5 (5.56%) Linux
2 2 (2.22%) Red Hat Enterprise Linux
2 2 (2.22%) Unix
2 2 (2.22%) Windows
3 1 (1.11%) Apple iOS
Processes & Methodologies
1 31 (34.44%) Agile Software Development
2 29 (32.22%) ETL
3 27 (30.00%) DevOps
4 26 (28.89%) Analytics
5 25 (27.78%) Data Engineering
6 24 (26.67%) Data Modelling
7 19 (21.11%) Business Intelligence
8 17 (18.89%) Data Science
9 12 (13.33%) Artificial Intelligence
9 12 (13.33%) Visualisation
10 11 (12.22%) Data Integration
10 11 (12.22%) Machine Learning
11 10 (11.11%) Data Protection
12 9 (10.00%) Computer Science
13 8 (8.89%) AOP
13 8 (8.89%) Configuration Management
13 8 (8.89%) Data Architecture
13 8 (8.89%) Scrum
13 8 (8.89%) SDLC
13 8 (8.89%) Statistics
Programming Languages
1 36 (40.00%) SQL
2 20 (22.22%) Java
2 20 (22.22%) Python
3 8 (8.89%) JavaScript
4 7 (7.78%) Scala
5 4 (4.44%) C
5 4 (4.44%) C++
5 4 (4.44%) R
6 3 (3.33%) Bash
6 3 (3.33%) PHP
6 3 (3.33%) TypeScript
7 2 (2.22%) PL/SQL
7 2 (2.22%) PowerShell
7 2 (2.22%) Shell Script
8 1 (1.11%) C#
8 1 (1.11%) ES6
Qualifications
1 9 (10.00%) Degree
1 9 (10.00%) Security Cleared
2 8 (8.89%) SC Cleared
3 5 (5.56%) Computer Science Degree
4 2 (2.22%) BPSS Clearance
4 2 (2.22%) OCP
4 2 (2.22%) Oracle Certification
5 1 (1.11%) (ISC)2 CCSP
5 1 (1.11%) AWS Certification
5 1 (1.11%) Cisco Certification
5 1 (1.11%) CISSP
5 1 (1.11%) ISEB
5 1 (1.11%) Microsoft Certification
5 1 (1.11%) TOGAF Certification
Quality Assurance & Compliance
1 13 (14.44%) Data Quality
2 11 (12.22%) GDPR
3 2 (2.22%) SLA
4 1 (1.11%) Accessibility
4 1 (1.11%) Actionable Recommendations
4 1 (1.11%) NCSC
4 1 (1.11%) QA
System Software
1 11 (12.22%) Docker
2 2 (2.22%) Apache Flume
2 2 (2.22%) Oracle RAC
3 1 (1.11%) HDFS
Systems Management
1 9 (10.00%) Kubernetes
2 8 (8.89%) Terraform
3 3 (3.33%) Ansible
4 2 (2.22%) Data Guard
4 2 (2.22%) Oracle RMAN
5 1 (1.11%) Grafana
5 1 (1.11%) HP Fortify
5 1 (1.11%) Kibana
5 1 (1.11%) Opscode Chef
5 1 (1.11%) WebInspect
Vendors
1 16 (17.78%) Oracle
2 15 (16.67%) Cloudera
3 11 (12.22%) Talend
4 7 (7.78%) Google
5 5 (5.56%) Microsoft
6 4 (4.44%) Databricks
6 4 (4.44%) Hortonworks
6 4 (4.44%) Red Hat
6 4 (4.44%) Splunk
7 3 (3.33%) AppDynamics
8 2 (2.22%) Charles River
8 2 (2.22%) EMC
8 2 (2.22%) Informatica
8 2 (2.22%) Pega
9 1 (1.11%) Ab Initio
9 1 (1.11%) Apple
9 1 (1.11%) Capita
9 1 (1.11%) IBM
9 1 (1.11%) MapR
9 1 (1.11%) SAP