Period
to 25 January 2021

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for Big Data skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Big Data over the 6 months to 25 January 2021 with a comparison to the same period in the previous 2 years.

Big Data
Central London > City of London
6 months to
25 Jan 2021
Same period 2020 Same period 2019
Rank 59 65 50
Rank change year-on-year +6 -15 +10
Permanent jobs citing Big Data 213 360 504
As % of all permanent jobs advertised in the City of London 4.92% 3.96% 4.88%
As % of the Database & Business Intelligence category 16.15% 14.65% 16.10%
Number of salaries quoted 205 350 507
Median annual salary £80,000 £75,000 £80,000
Median salary % change year-on-year +6.67% -6.25% +14.29%
10th Percentile £52,500 £51,250 £49,337
90th Percentile £110,000 £112,500 £102,500
Central London median annual salary £80,000 £75,000 £77,500
% change year-on-year +6.67% -3.23% +10.71%

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 permanent 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
Permanent vacancies with a requirement for database or business intelligence skills 1,319 2,457 3,131
As % of all permanent IT jobs advertised in the City of London 30.44% 27.00% 30.30%
Number of salaries quoted 1,113 2,179 2,833
Median annual salary £72,500 £67,500 £65,000
Median salary % change year-on-year +7.41% +3.85% +8.33%
10th Percentile £45,150 £42,500 £40,500
90th Percentile £103,750 £102,500 £96,250
Central London median annual salary £70,000 £67,500 £65,000
% change year-on-year +3.70% +3.85% +8.33%

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
Salary Trend in the City of London

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

Salary trend for Big Data in the City of London

Big Data
Salary Histogram in the City of London

Salary distribution for jobs citing Big Data in the City of London over the 6 months to 25 January 2021.

Salary histogram for Big Data in the City of London

For the 6 months to 25 January 2021, IT 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 permanent job ads across the City of London region with a requirement for Big Data.

1 101 (47.42%) Java
2 96 (45.07%) Hadoop
3 91 (42.72%) AWS
4 88 (41.31%) Apache Spark
5 86 (40.38%) Agile Software Development
6 81 (38.03%) Analytics
7 70 (32.86%) Python
7 70 (32.86%) Azure
8 55 (25.82%) Kafka
9 50 (23.47%) Kubernetes
9 50 (23.47%) Data Science
10 49 (23.00%) Finance
10 49 (23.00%) SQL
11 44 (20.66%) ETL
12 43 (20.19%) GCP
13 42 (19.72%) JavaScript
14 38 (17.84%) DevOps
15 37 (17.37%) Software Engineering
16 36 (16.90%) Scala
16 36 (16.90%) Microservices
17 32 (15.02%) Data Modelling
18 31 (14.55%) Docker
19 30 (14.08%) Artificial Intelligence
19 30 (14.08%) NoSQL
20 26 (12.21%) Apache
20 26 (12.21%) Analytical Skills
21 25 (11.74%) Mentoring
21 25 (11.74%) Git (software)
22 24 (11.27%) Data Analytics
22 24 (11.27%) C#

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 88 (41.31%) Apache Spark
2 26 (12.21%) Apache
3 15 (7.04%) Apache Airflow
4 11 (5.16%) SAS
5 10 (4.69%) Moodle
6 7 (3.29%) Elasticsearch
7 1 (0.47%) Apache Pig
7 1 (0.47%) CMS
7 1 (0.47%) SharePoint
Business Applications
1 1 (0.47%) SAP APO
Cloud Services
1 91 (42.72%) AWS
2 70 (32.86%) Azure
3 43 (20.19%) GCP
4 18 (8.45%) Power Platform
5 16 (7.51%) SaaS
6 12 (5.63%) Amazon EC2
7 10 (4.69%) PaaS
8 9 (4.23%) Serverless
9 6 (2.82%) Amazon S3
9 6 (2.82%) AWS Lambda
9 6 (2.82%) Dynamics 365
10 5 (2.35%) Amazon Kinesis
10 5 (2.35%) AWS CloudFormation
11 4 (1.88%) Amazon EMR
11 4 (1.88%) IaaS
12 3 (1.41%) Azure Data Factory
12 3 (1.41%) OpenShift
13 1 (0.47%) Amazon GuardDuty
13 1 (0.47%) Power Automate
13 1 (0.47%) PowerApps
Communications & Networking
1 3 (1.41%) Firewall
2 1 (0.47%) Internet
Database & Business Intelligence
1 96 (45.07%) Hadoop
2 30 (14.08%) NoSQL
3 24 (11.27%) Apache Cassandra
3 24 (11.27%) Data Warehouse
4 23 (10.80%) Apache Hive
4 23 (10.80%) MongoDB
5 18 (8.45%) Amazon Redshift
5 18 (8.45%) MySQL
5 18 (8.45%) Power BI
6 15 (7.04%) Data Lake
6 15 (7.04%) Presto
7 14 (6.57%) SQL Server
8 10 (4.69%) BigQuery
8 10 (4.69%) Pentaho
8 10 (4.69%) PostgreSQL
9 9 (4.23%) Amazon RDS
10 7 (3.29%) Bigtable
10 7 (3.29%) BusinessObjects
10 7 (3.29%) Impala
10 7 (3.29%) Tableau
Development Applications
1 25 (11.74%) Git (software)
2 8 (3.76%) Jenkins
3 5 (2.35%) Atlassian Bamboo
4 4 (1.88%) JIRA
5 3 (1.41%) Bitbucket
5 3 (1.41%) Gradle
5 3 (1.41%) Maven
6 2 (0.94%) Octopus Deploy
6 2 (0.94%) TeamCity
7 1 (0.47%) GitLab
7 1 (0.47%) Visual Studio
7 1 (0.47%) Visual Studio Code
7 1 (0.47%) Visual Studio Team System
General
1 49 (23.00%) Finance
2 22 (10.33%) Marketing
3 20 (9.39%) Banking
4 8 (3.76%) Advertising
4 8 (3.76%) Law
5 3 (1.41%) Games
5 3 (1.41%) Public Sector
6 2 (0.94%) Pharmaceutical
7 1 (0.47%) Electronics
7 1 (0.47%) French Language
7 1 (0.47%) Front Office
7 1 (0.47%) Investment Banking
7 1 (0.47%) Legal
7 1 (0.47%) Retail
7 1 (0.47%) Spanish Language
7 1 (0.47%) Telecoms
Job Titles
1 74 (34.74%) Developer
2 51 (23.94%) Java Developer
3 43 (20.19%) Data Engineer
4 33 (15.49%) Big Data Engineer
5 30 (14.08%) Java Engineer
6 29 (13.62%) Architect
7 17 (7.98%) Data Architect
8 14 (6.57%) Big Data Developer
9 12 (5.63%) Consultant
9 12 (5.63%) Software Engineer
10 10 (4.69%) Big Data Software Engineer
10 10 (4.69%) Cloud Engineer
10 10 (4.69%) Full Stack Developer
10 10 (4.69%) PHP Developer
10 10 (4.69%) Solutions Architect
11 9 (4.23%) AWS Engineer
11 9 (4.23%) Data Consultant
11 9 (4.23%) Python Developer
12 8 (3.76%) Data Migration Consultant
12 8 (3.76%) Java Architect
Libraries, Frameworks & Software Standards
1 55 (25.82%) Kafka
2 22 (10.33%) AngularJS
3 21 (9.86%) CSS
3 21 (9.86%) HTML
4 20 (9.39%) React
5 19 (8.92%) ActiveMQ
5 19 (8.92%) JMS
5 19 (8.92%) Node.js
6 17 (7.98%) RESTful
7 12 (5.63%) REST
8 11 (5.16%) .NET
8 11 (5.16%) HTML5
9 9 (4.23%) Spring
9 9 (4.23%) Web Services
10 8 (3.76%) Natural Language Processing
11 7 (3.29%) Apache Beam
11 7 (3.29%) Keras
11 7 (3.29%) TensorFlow
12 6 (2.82%) Apollo GraphQL
12 6 (2.82%) Redux
Miscellaneous
1 26 (12.21%) Analytical Skills
2 19 (8.92%) Self-Motivation
3 16 (7.51%) Algorithms
4 9 (4.23%) User Experience
5 8 (3.76%) Public Cloud
6 5 (2.35%) e-Learning
6 5 (2.35%) SCORM
7 3 (1.41%) Foreign Exchange (FX)
8 2 (0.94%) Blog
8 2 (0.94%) Management Information System
8 2 (0.94%) Private Cloud
8 2 (0.94%) Reinsurance
9 1 (0.47%) Cloud Native
9 1 (0.47%) Data Centre
9 1 (0.47%) Equities
9 1 (0.47%) NHS
9 1 (0.47%) Reference Data
9 1 (0.47%) Social Media
Operating Systems
1 7 (3.29%) Linux
1 7 (3.29%) Unix
2 3 (1.41%) CentOS
2 3 (1.41%) Windows
Processes & Methodologies
1 86 (40.38%) Agile Software Development
2 81 (38.03%) Analytics
3 50 (23.47%) Data Science
4 44 (20.66%) ETL
5 38 (17.84%) DevOps
6 37 (17.37%) Software Engineering
7 36 (16.90%) Microservices
8 32 (15.02%) Data Modelling
9 30 (14.08%) Artificial Intelligence
10 25 (11.74%) Mentoring
11 24 (11.27%) Data Analytics
12 23 (10.80%) Machine Learning
13 22 (10.33%) Business Intelligence
13 22 (10.33%) Computer Science
14 21 (9.86%) OO
15 20 (9.39%) Data Engineering
15 20 (9.39%) Open Source
16 19 (8.92%) Multithreading
17 18 (8.45%) Fintech
18 17 (7.98%) Visualisation
Programming Languages
1 101 (47.42%) Java
2 70 (32.86%) Python
3 49 (23.00%) SQL
4 42 (19.72%) JavaScript
5 36 (16.90%) Scala
6 24 (11.27%) C#
7 21 (9.86%) Java 8
8 20 (9.39%) PHP
9 17 (7.98%) TypeScript
10 16 (7.51%) R
11 10 (4.69%) ES6
11 10 (4.69%) Kotlin
12 8 (3.76%) Ruby
13 6 (2.82%) HiveQL
13 6 (2.82%) PL/SQL
13 6 (2.82%) Shell Script
14 5 (2.35%) MATLAB
15 3 (1.41%) Bash Shell
15 3 (1.41%) T-SQL
16 2 (0.94%) C++
Qualifications
1 22 (10.33%) Degree
2 18 (8.45%) Computer Science Degree
3 5 (2.35%) Master's Degree
3 5 (2.35%) PhD
4 1 (0.47%) AWS Certification
4 1 (0.47%) SC Cleared
4 1 (0.47%) Security Cleared
Quality Assurance & Compliance
1 15 (7.04%) Data Quality
2 4 (1.88%) QA
3 1 (0.47%) ISO/IEC 27001
3 1 (0.47%) NIST
System Software
1 31 (14.55%) Docker
2 7 (3.29%) HDFS
3 3 (1.41%) Apache ZooKeeper
3 3 (1.41%) VMware Infrastructure
4 1 (0.47%) Apache Flume
Systems Management
1 50 (23.47%) Kubernetes
2 21 (9.86%) Terraform
3 5 (2.35%) Ansible
3 5 (2.35%) Puppet
4 3 (1.41%) Grafana
4 3 (1.41%) Prometheus
4 3 (1.41%) ZABBIX
5 1 (0.47%) Opscode Chef
Vendors
1 21 (9.86%) Microsoft
1 21 (9.86%) Talend
2 18 (8.45%) Informatica
3 17 (7.98%) Databricks
4 16 (7.51%) Oracle
5 14 (6.57%) Google
6 13 (6.10%) Cloudera
7 9 (4.23%) IBM
7 9 (4.23%) Salesforce.com
7 9 (4.23%) SAP
8 7 (3.29%) Splunk
9 4 (1.88%) NVIDIA
10 3 (1.41%) Alteryx
10 3 (1.41%) Intel
10 3 (1.41%) VMware
11 2 (0.94%) Ab Initio
12 1 (0.47%) Cisco
12 1 (0.47%) MicroStrategy
12 1 (0.47%) Palantir
12 1 (0.47%) TIBCO