Period
to 10 August 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 10 August 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
10 Aug 2020
Same period 2019 Same period 2018
Rank 71 62 105
Rank change year-on-year -9 +43 +8
Contract jobs citing Apache Spark 60 248 172
As % of all contract jobs advertised in the City of London 2.71% 3.80% 2.45%
As % of the Application Platforms category 20.48% 21.74% 14.49%
Number of daily rates quoted 44 214 155
Median daily rate £531 £550 £588
Median daily rate % change year-on-year -3.41% -6.38% -6.00%
10th Percentile £416 £513 £469
90th Percentile £636 £688 £735
Central London median daily rate £550 £550 £550
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 293 1,141 1,187
As % of all contract IT jobs advertised in the City of London 13.26% 17.48% 16.89%
Number of daily rates quoted 193 885 890
Median daily rate £500 £525 £505
Median daily rate % change year-on-year -4.76% +3.96% +1.51%
10th Percentile £325 £305 £300
90th Percentile £650 £675 £675
Central London median daily rate £500 £525 £500
% change year-on-year -4.76% +5.00% +5.26%
Number of hourly rates quoted 5 13 30
Median hourly rate £35.00 £20.83 £20.63
Median hourly rate % change year-on-year +68.03% +0.99% +21.32%
10th Percentile £23.00 £14.11 £14.87
90th Percentile £49.80 £59.10 £34.75
Median hourly rate £35.00 £20.92 £20.00
% change year-on-year +67.34% +4.58% +6.95%

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 10 August 2020.

Daily rate histogram for Apache Spark in the City of London

For the 6 months to 10 August 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 35 (58.33%) Java
2 32 (53.33%) Scala
2 32 (53.33%) Big Data
3 31 (51.67%) Python
4 28 (46.67%) Agile Software Development
5 23 (38.33%) Hadoop
6 20 (33.33%) SQL
6 20 (33.33%) GCP
7 19 (31.67%) Kafka
7 19 (31.67%) Finance
8 18 (30.00%) Banking
8 18 (30.00%) AWS
9 15 (25.00%) Microservices
9 15 (25.00%) Azure
9 15 (25.00%) Mathematics
9 15 (25.00%) Computer Science
10 14 (23.33%) Degree
10 14 (23.33%) TDD
10 14 (23.33%) Investment Banking
11 13 (21.67%) Scrum
11 13 (21.67%) Apache
12 12 (20.00%) NoSQL
13 11 (18.33%) BDD
13 11 (18.33%) Google
14 10 (16.67%) Spring
14 10 (16.67%) Linux
14 10 (16.67%) Kubernetes
15 9 (15.00%) Numerate Degree
15 9 (15.00%) Machine Learning
15 9 (15.00%) Analytics

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 13 (21.67%) Apache
2 8 (13.33%) Elasticsearch
3 4 (6.67%) Tornado
4 2 (3.33%) Apache Airflow
4 2 (3.33%) Confluence
4 2 (3.33%) SAS
5 1 (1.67%) R Markdown
Cloud Services
1 20 (33.33%) GCP
2 18 (30.00%) AWS
3 15 (25.00%) Azure
4 6 (10.00%) SaaS
5 4 (6.67%) Serverless
6 2 (3.33%) Amazon CloudWatch
6 2 (3.33%) Amazon Kinesis
6 2 (3.33%) Cloud Computing
6 2 (3.33%) Power Platform
7 1 (1.67%) Amazon SageMaker
7 1 (1.67%) Azure Data Factory
7 1 (1.67%) GitHub
Communications & Networking
1 3 (5.00%) HTTPS
1 3 (5.00%) SSL
2 2 (3.33%) TCP/IP
3 1 (1.67%) HTTP
3 1 (1.67%) Wireless
Database & Business Intelligence
1 32 (53.33%) Big Data
2 23 (38.33%) Hadoop
3 12 (20.00%) NoSQL
4 8 (13.33%) Apache Hive
5 3 (5.00%) Amazon Redshift
5 3 (5.00%) Data Warehouse
5 3 (5.00%) Impala
5 3 (5.00%) MongoDB
5 3 (5.00%) Parquet
5 3 (5.00%) SQL Server
6 2 (3.33%) Data Lake
6 2 (3.33%) PostgreSQL
6 2 (3.33%) Power BI
6 2 (3.33%) Relational Database
6 2 (3.33%) Spark SQL
7 1 (1.67%) Oracle OLAP
7 1 (1.67%) Pentaho
7 1 (1.67%) QlikView
7 1 (1.67%) Spotfire
7 1 (1.67%) SQL Server Reporting Services
Development Applications
1 9 (15.00%) Jenkins
2 7 (11.67%) Git (software)
3 4 (6.67%) GitLab
3 4 (6.67%) Hudson
3 4 (6.67%) ProC
4 3 (5.00%) Maven
4 3 (5.00%) TeamCity
5 2 (3.33%) Atlassian Bamboo
5 2 (3.33%) Gradle
5 2 (3.33%) JIRA
6 1 (1.67%) Artifactory
6 1 (1.67%) Bitbucket
6 1 (1.67%) IntelliJ
General
1 19 (31.67%) Finance
2 18 (30.00%) Banking
3 14 (23.33%) Investment Banking
4 9 (15.00%) Front Office
5 4 (6.67%) Retail
6 2 (3.33%) Electronics
6 2 (3.33%) Law
7 1 (1.67%) Aerospace
7 1 (1.67%) Marketing
Job Titles
1 32 (53.33%) Developer
2 17 (28.33%) Java Developer
3 16 (26.67%) Data Engineer
4 9 (15.00%) Scala Developer
5 7 (11.67%) Agile Developer
5 7 (11.67%) Agile Java Developer
6 6 (10.00%) Data Scientist
7 5 (8.33%) AWS Developer
7 5 (8.33%) Big Data Engineer
8 4 (6.67%) AWS Engineer
9 3 (5.00%) AWS DevOps
9 3 (5.00%) AWS DevOps Engineer
9 3 (5.00%) DevOps Engineer
9 3 (5.00%) E-Commerce Developer
10 2 (3.33%) Big Data Developer
10 2 (3.33%) Java Scala Developer
11 1 (1.67%) Apache Spark Developer
11 1 (1.67%) Cloud Developer
11 1 (1.67%) Cloud Engineer
11 1 (1.67%) Senior Data Scientist
Libraries, Frameworks & Software Standards
1 19 (31.67%) Kafka
2 10 (16.67%) Spring
3 8 (13.33%) RESTful
4 7 (11.67%) Akka
5 6 (10.00%) Anaconda
5 6 (10.00%) Elastic Stack
5 6 (10.00%) HTML
5 6 (10.00%) PySpark
5 6 (10.00%) Web Services
6 5 (8.33%) CSS
7 4 (6.67%) CSS3
7 4 (6.67%) Flask
7 4 (6.67%) HTML5
7 4 (6.67%) JSON
7 4 (6.67%) Spring Boot
7 4 (6.67%) TensorFlow
7 4 (6.67%) Twisted
8 3 (5.00%) Apache Avro
8 3 (5.00%) Pandas
8 3 (5.00%) Spring Security
Miscellaneous
1 6 (10.00%) Credit Risk
2 5 (8.33%) Market Risk
3 4 (6.67%) Algorithms
3 4 (6.67%) Analytical Skills
4 2 (3.33%) Management Information System
5 1 (1.67%) Analytical Mindset
5 1 (1.67%) Enterprise Software
5 1 (1.67%) Foreign Exchange (FX)
5 1 (1.67%) Grid Computing
5 1 (1.67%) Life Science
5 1 (1.67%) Semantic Web
5 1 (1.67%) Taxonomies
Operating Systems
1 10 (16.67%) Linux
2 2 (3.33%) Debian
3 1 (1.67%) Unix
Processes & Methodologies
1 28 (46.67%) Agile Software Development
2 15 (25.00%) Computer Science
2 15 (25.00%) Mathematics
2 15 (25.00%) Microservices
3 14 (23.33%) TDD
4 13 (21.67%) Scrum
5 11 (18.33%) BDD
6 9 (15.00%) Analytics
6 9 (15.00%) Data Science
6 9 (15.00%) Economics
6 9 (15.00%) Machine Learning
7 8 (13.33%) Continuous Integration
7 8 (13.33%) Data Modelling
8 6 (10.00%) E-Commerce
9 5 (8.33%) Continuous Deployment
9 5 (8.33%) SDLC
9 5 (8.33%) Software Engineering
9 5 (8.33%) Visualisation
10 4 (6.67%) Continuous Delivery
10 4 (6.67%) DevOps
Programming Languages
1 35 (58.33%) Java
2 32 (53.33%) Scala
3 31 (51.67%) Python
4 20 (33.33%) SQL
5 7 (11.67%) Java 8
5 7 (11.67%) JavaScript
6 5 (8.33%) C#
6 5 (8.33%) Go
7 4 (6.67%) Kotlin
7 4 (6.67%) Ruby
8 3 (5.00%) R
9 2 (3.33%) PHP
10 1 (1.67%) Data Analysis Expressions (DAX)
10 1 (1.67%) Groovy
10 1 (1.67%) TypeScript
Qualifications
1 14 (23.33%) Degree
2 9 (15.00%) Numerate Degree
3 3 (5.00%) Master's Degree
4 2 (3.33%) PhD
4 2 (3.33%) SC Cleared
4 2 (3.33%) Security Cleared
5 1 (1.67%) Computer Science Degree
Quality Assurance & Compliance
1 1 (1.67%) CDISC
System Software
1 9 (15.00%) Docker
2 5 (8.33%) HDFS
3 2 (3.33%) Apache Flume
Systems Management
1 10 (16.67%) Kubernetes
2 9 (15.00%) Ansible
3 4 (6.67%) Terraform
4 3 (5.00%) Prometheus
4 3 (5.00%) Puppet
4 3 (5.00%) Zipkin
5 2 (3.33%) Hadoop YARN
5 2 (3.33%) Oozie
Vendors
1 11 (18.33%) Google
2 8 (13.33%) Cloudera
3 5 (8.33%) Hortonworks
4 4 (6.67%) Databricks
5 3 (5.00%) MapR
5 3 (5.00%) Oracle
6 2 (3.33%) Microsoft
6 2 (3.33%) New Relic
6 2 (3.33%) Splunk
7 1 (1.67%) IBM
7 1 (1.67%) Tableau