Period
to 30 October 2020

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Apache Spark skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Apache Spark over the 6 months to 30 October 2020 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.

Apache Spark
Central London > City of London
6 months to
30 Oct 2020
Same period 2019 Same period 2018
Rank 70 85 79
Rank change year-on-year +15 -6 +19
Contract jobs citing Apache Spark 41 168 224
As % of all contract jobs advertised in the City of London 2.27% 2.81% 3.18%
As % of the Application Platforms category 18.47% 16.94% 18.21%
Number of daily rates quoted 26 141 199
Median daily rate £500 £575 £575
Median daily rate % change year-on-year -13.04% - -4.17%
10th Percentile £391 £513 £478
90th Percentile £600 £700 £715
Central London median daily rate £523 £575 £575
% change year-on-year -9.13% - -4.17%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
Central London median hourly rate - - -

Apache Spark is in the Application Platforms 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 application platform skills.

All Application Platform Skills
City of London
Contract vacancies with a requirement for application platform skills 222 992 1,230
As % of all contract IT jobs advertised in the City of London 12.27% 16.62% 17.48%
Number of daily rates quoted 137 792 936
Median daily rate £475 £525 £525
Median daily rate % change year-on-year -9.52% - +5.53%
10th Percentile £263 £305 £275
90th Percentile £625 £663 £675
Central London median daily rate £480 £525 £500
% change year-on-year -8.57% +5.00% +1.27%
Number of hourly rates quoted 3 9 33
Median hourly rate £23.00 £21.00 £21.25
Median hourly rate % change year-on-year +9.52% -1.18% +25.00%
10th Percentile £16.60 £17.53 £13.20
90th Percentile £35.20 £65.90 £32.10
Median hourly rate £23.00 £21.00 £20.00
% change year-on-year +9.52% +5.00% +12.04%

Apache Spark
Job Vacancy Trend in the City of London

Job postings citing Apache Spark as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for Apache Spark in the City of London

Apache Spark
Contractor Daily Rate Trend in the City of London

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

Daily rate trend for Apache Spark in the City of London

Apache Spark
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Apache Spark in the City of London over the 6 months to 30 October 2020.

Daily rate histogram for Apache Spark in the City of London

For the 6 months to 30 October 2020, IT contractor jobs citing Apache Spark 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 Apache Spark.

1 26 (63.41%) Hadoop
2 24 (58.54%) Scala
2 24 (58.54%) Python
2 24 (58.54%) Big Data
3 21 (51.22%) Java
4 18 (43.90%) Agile Software Development
5 17 (41.46%) Banking
6 15 (36.59%) Scrum
6 15 (36.59%) Finance
6 15 (36.59%) SQL
7 12 (29.27%) Git (software)
8 11 (26.83%) Economics
8 11 (26.83%) Degree
8 11 (26.83%) Mathematics
8 11 (26.83%) Cloudera
9 10 (24.39%) Computer Science
9 10 (24.39%) Investment Banking
9 10 (24.39%) Jenkins
10 9 (21.95%) GCP
10 9 (21.95%) Numerate Degree
10 9 (21.95%) Kafka
10 9 (21.95%) Azure
10 9 (21.95%) Apache Hive
10 9 (21.95%) Front Office
10 9 (21.95%) TDD
11 8 (19.51%) Data Modelling
11 8 (19.51%) BDD
11 8 (19.51%) AWS
11 8 (19.51%) Google
11 8 (19.51%) Anaconda

Apache Spark
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 7 (17.07%) Elasticsearch
2 5 (12.20%) Apache
2 5 (12.20%) Tornado
3 3 (7.32%) Confluence
4 2 (4.88%) SAS
5 1 (2.44%) Apache Airflow
5 1 (2.44%) R Markdown
Applications
1 1 (2.44%) Chatbot
Cloud Services
1 9 (21.95%) Azure
1 9 (21.95%) GCP
2 8 (19.51%) AWS
3 2 (4.88%) Cloud Computing
3 2 (4.88%) Power Platform
3 2 (4.88%) Serverless
4 1 (2.44%) Amazon EMR
4 1 (2.44%) Amazon S3
4 1 (2.44%) Azure Data Factory
4 1 (2.44%) SaaS
Communications & Networking
1 1 (2.44%) HTTP
1 1 (2.44%) Kerberos
1 1 (2.44%) SSL
1 1 (2.44%) Wireless
Database & Business Intelligence
1 26 (63.41%) Hadoop
2 24 (58.54%) Big Data
3 9 (21.95%) Apache Hive
4 7 (17.07%) NoSQL
5 3 (7.32%) Amazon Redshift
5 3 (7.32%) Data Warehouse
5 3 (7.32%) PostgreSQL
6 2 (4.88%) Impala
6 2 (4.88%) Power BI
6 2 (4.88%) Relational Database
7 1 (2.44%) Azure SQL Data Warehouse
7 1 (2.44%) BigQuery
7 1 (2.44%) Couchbase
7 1 (2.44%) Data Lake
7 1 (2.44%) Data Mining
7 1 (2.44%) Enterprise Data Warehouse
7 1 (2.44%) Flink
7 1 (2.44%) MariaDB
7 1 (2.44%) SAS EBI
7 1 (2.44%) Sqoop
Development Applications
1 12 (29.27%) Git (software)
2 10 (24.39%) Jenkins
3 6 (14.63%) GitLab
4 5 (12.20%) Hudson
4 5 (12.20%) ProC
5 3 (7.32%) JIRA
6 1 (2.44%) Artifactory
6 1 (2.44%) Bitbucket
6 1 (2.44%) Cucumber
6 1 (2.44%) Gradle
6 1 (2.44%) Maven
6 1 (2.44%) MLflow
6 1 (2.44%) Selenium
General
1 17 (41.46%) Banking
2 15 (36.59%) Finance
3 10 (24.39%) Investment Banking
4 9 (21.95%) Front Office
5 2 (4.88%) Electronics
5 2 (4.88%) Law
6 1 (2.44%) Marketing
6 1 (2.44%) Retail
Job Titles
1 16 (39.02%) Data Engineer
2 15 (36.59%) Developer
3 8 (19.51%) Agile Developer
3 8 (19.51%) Agile Java Developer
3 8 (19.51%) Java Developer
4 4 (9.76%) Big Data Engineer
5 3 (7.32%) Data Scientist
5 3 (7.32%) Scala Developer
6 2 (4.88%) AWS Engineer
6 2 (4.88%) Consultant
6 2 (4.88%) DevOps Engineer
6 2 (4.88%) Hadoop Consultant
6 2 (4.88%) Infrastructure Consultant
7 1 (2.44%) Administrator
7 1 (2.44%) Architect
7 1 (2.44%) AWS Developer
7 1 (2.44%) Cloud Developer
7 1 (2.44%) Data Warehouse Developer
7 1 (2.44%) ETL Developer
7 1 (2.44%) Solutions Architect
Libraries, Frameworks & Software Standards
1 9 (21.95%) Kafka
2 8 (19.51%) Anaconda
3 7 (17.07%) PySpark
4 6 (14.63%) CSS
4 6 (14.63%) HTML
5 5 (12.20%) CSS3
5 5 (12.20%) Elastic Stack
5 5 (12.20%) Flask
5 5 (12.20%) HTML5
5 5 (12.20%) Twisted
6 2 (4.88%) JSON
6 2 (4.88%) RESTful
6 2 (4.88%) XML
7 1 (2.44%) .NET
7 1 (2.44%) Natural Language Processing
7 1 (2.44%) Node.js
7 1 (2.44%) Samza
7 1 (2.44%) Spring
7 1 (2.44%) TensorFlow
7 1 (2.44%) Web Services
Miscellaneous
1 4 (9.76%) Credit Risk
2 3 (7.32%) Algorithms
3 1 (2.44%) Analytical Mindset
3 1 (2.44%) Analytical Skills
3 1 (2.44%) Enterprise Software
3 1 (2.44%) Grid Computing
3 1 (2.44%) Management Information System
3 1 (2.44%) Public Cloud
Operating Systems
1 3 (7.32%) Linux
2 1 (2.44%) Unix
Processes & Methodologies
1 18 (43.90%) Agile Software Development
2 15 (36.59%) Scrum
3 11 (26.83%) Economics
3 11 (26.83%) Mathematics
4 10 (24.39%) Computer Science
5 9 (21.95%) TDD
6 8 (19.51%) BDD
6 8 (19.51%) Data Modelling
7 7 (17.07%) Data Science
8 6 (14.63%) Analytics
8 6 (14.63%) Continuous Deployment
8 6 (14.63%) Continuous Integration
9 5 (12.20%) Machine Learning
10 4 (9.76%) ETL
10 4 (9.76%) Microservices
11 3 (7.32%) Business Intelligence
11 3 (7.32%) Data Ingestion
11 3 (7.32%) DevOps
11 3 (7.32%) ETL Development
12 2 (4.88%) OO
Programming Languages
1 24 (58.54%) Python
1 24 (58.54%) Scala
2 21 (51.22%) Java
3 15 (36.59%) SQL
4 7 (17.07%) JavaScript
5 3 (7.32%) C#
6 2 (4.88%) Go
6 2 (4.88%) R
6 2 (4.88%) Ruby
7 1 (2.44%) Data Analysis Expressions (DAX)
7 1 (2.44%) Groovy
7 1 (2.44%) Kotlin
7 1 (2.44%) Perl
7 1 (2.44%) PHP
7 1 (2.44%) Shell Script
Qualifications
1 11 (26.83%) Degree
2 9 (21.95%) Numerate Degree
3 5 (12.20%) Security Cleared
4 3 (7.32%) SC Cleared
5 1 (2.44%) PhD
5 1 (2.44%) TOGAF Certification
Quality Assurance & Compliance
1 1 (2.44%) CDISC
1 1 (2.44%) SLA
System Software
1 3 (7.32%) HDFS
2 2 (4.88%) Docker
Systems Management
1 7 (17.07%) Ansible
2 3 (7.32%) Kubernetes
3 2 (4.88%) Terraform
4 1 (2.44%) Kubeflow
4 1 (2.44%) Oozie
4 1 (2.44%) Puppet
Vendors
1 11 (26.83%) Cloudera
2 8 (19.51%) Google
3 7 (17.07%) Hortonworks
4 4 (9.76%) Databricks
5 2 (4.88%) EMC
5 2 (4.88%) Microsoft
5 2 (4.88%) NetApp
5 2 (4.88%) Oracle
6 1 (2.44%) MapR