Period
to 16 December 2018

The following table provides summary statistics for contract job vacancies advertised in Croydon 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 16 December 2018 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
South London > Croydon
6 months to
16 Dec 2018
Same period 2017 Same period 2016
Rank 104 49 73
Rank change year-on-year -55 +24 -28
Contract jobs citing Apache Spark 14 52 1
As % of all contract IT jobs advertised in Croydon 1.22% 5.31% 0.19%
As % of the Application Platforms category 5.88% 17.87% 0.66%
Number of daily rates quoted 10 39 0
Croydon median daily rate £540 £550 -
Median daily rate % change year-on-year -1.82% - -
South London median daily rate £540 £550 £673
% change year-on-year -1.82% -18.22% +28.10%
Number of hourly rates quoted 0 0 0
Croydon median hourly rate - - -
South 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 Croydon with a requirement for application platform skills.

All Application Platform Skills
Croydon
Contract vacancies with a requirement for application platform skills 238 291 151
As % of all contract IT jobs advertised in Croydon 20.68% 29.72% 28.07%
Number of daily rates quoted 190 191 67
Croydon median daily rate £525 £530 £425
Median daily rate % change year-on-year -0.94% +24.71% +2.41%
10th Percentile £370 £363 £308
90th Percentile £626 £700 £523
South London median daily rate £525 £525 £425
% change year-on-year - +23.53% +21.43%
Number of hourly rates quoted 1 1 0
Croydon median hourly rate £35.00 £28.50 -
Median hourly rate % change year-on-year +22.81% - -
South London median hourly rate £37.50 £47.83 £31.00
% change year-on-year -21.60% +54.29% -71.82%

Apache Spark
Job Vacancy Trend in Croydon

Job postings citing Apache Spark as a percentage of all IT jobs advertised in Croydon.

Job vacancy trend for Apache Spark in Croydon

Apache Spark
Contractor Daily Rate Trend in Croydon

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Apache Spark in Croydon.

Contractor daily rate trend for Apache Spark in Croydon

Apache Spark
Contractor Daily Rate Histogram in Croydon

The daily rate distribution of IT jobs citing Apache Spark in Croydon over the 6 months to 16 December 2018.

Contractor daily rate histogram for Apache Spark in Croydon

For the 6 months to 16 December 2018, 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 Croydon region with a requirement for Apache Spark.

1 12 (85.71%) PostgreSQL
1 12 (85.71%) SC Cleared
1 12 (85.71%) Security Cleared
1 12 (85.71%) Docker
1 12 (85.71%) Kubernetes
2 10 (71.43%) Big Data
2 10 (71.43%) Kafka
2 10 (71.43%) Java
3 9 (64.29%) Elasticsearch
4 8 (57.14%) Ansible
4 8 (57.14%) Mentoring
4 8 (57.14%) Terraform
4 8 (57.14%) Java 8
4 8 (57.14%) Linux
4 8 (57.14%) TDD
4 8 (57.14%) HBase
4 8 (57.14%) BDD
5 6 (42.86%) Python
5 6 (42.86%) IntelliJ
5 6 (42.86%) Kerberos
5 6 (42.86%) Spring
5 6 (42.86%) JIRA
5 6 (42.86%) REST
5 6 (42.86%) Neo4j
5 6 (42.86%) Drools
5 6 (42.86%) Data Architecture
5 6 (42.86%) Apache Solr
5 6 (42.86%) Scala
5 6 (42.86%) Open Source
5 6 (42.86%) Confluence

Apache Spark
Co-occurring IT Skills in Croydon 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 9 (64.29%) Elasticsearch
2 6 (42.86%) Apache Solr
2 6 (42.86%) Confluence
3 3 (21.43%) Apache
4 2 (14.29%) Apache Pig
4 2 (14.29%) nginx
Cloud Services
1 3 (21.43%) Amazon AWS
2 2 (14.29%) Microsoft Azure
Communications & Networking
1 6 (42.86%) Kerberos
2 2 (14.29%) DNS
2 2 (14.29%) ICMP
2 2 (14.29%) TCP/IP
2 2 (14.29%) VPN
Database & Business Intelligence
1 12 (85.71%) PostgreSQL
2 10 (71.43%) Big Data
3 8 (57.14%) HBase
4 6 (42.86%) Neo4j
5 5 (35.71%) Hadoop
6 4 (28.57%) MongoDB
6 4 (28.57%) Spotfire
7 3 (21.43%) NoSQL
8 2 (14.29%) Apache Hive
8 2 (14.29%) Flink
8 2 (14.29%) MySQL
8 2 (14.29%) Redis
Development Applications
1 6 (42.86%) IntelliJ
1 6 (42.86%) JIRA
2 4 (28.57%) Cucumber
2 4 (28.57%) GitLab
2 4 (28.57%) Jenkins
2 4 (28.57%) Maven
3 2 (14.29%) Artifactory
3 2 (14.29%) SonarQube
Job Titles
1 7 (50.00%) Developer
2 5 (35.71%) Java Developer
3 4 (28.57%) Data Scientist
4 2 (14.29%) Backend Developer
4 2 (14.29%) Big Data Developer
4 2 (14.29%) Big Data Engineer
4 2 (14.29%) Data Engineer
4 2 (14.29%) Platform Engineer
4 2 (14.29%) SC Cleared Java Developer
4 2 (14.29%) Senior Data Scientist
Libraries, Frameworks & Software Standards
1 10 (71.43%) Kafka
2 6 (42.86%) Drools
2 6 (42.86%) REST
2 6 (42.86%) Spring
2 6 (42.86%) Spring Boot
3 5 (35.71%) Apache Camel
4 4 (28.57%) Natural Language Processing
4 4 (28.57%) Pandas
4 4 (28.57%) Samza
4 4 (28.57%) scikit-learn
5 2 (14.29%) Elastic Stack
5 2 (14.29%) JSON
5 2 (14.29%) JSON Schema
5 2 (14.29%) LEMP Stack
5 2 (14.29%) Spring MVC
Miscellaneous
1 3 (21.43%) Algorithms
2 2 (14.29%) PKI
2 2 (14.29%) Public Cloud
Operating Systems
1 8 (57.14%) Linux
Processes & Methodologies
1 8 (57.14%) BDD
1 8 (57.14%) Mentoring
1 8 (57.14%) TDD
2 6 (42.86%) Coaching
2 6 (42.86%) Data Architecture
2 6 (42.86%) Open Source
2 6 (42.86%) Systems Engineering
3 5 (35.71%) Agile Software Development
3 5 (35.71%) Software Engineering
4 4 (28.57%) Analytics
4 4 (28.57%) Data Development
4 4 (28.57%) Data Science
4 4 (28.57%) Deep Learning
4 4 (28.57%) Machine Learning
4 4 (28.57%) Microservices
4 4 (28.57%) Visualisation
5 3 (21.43%) Mathematics
5 3 (21.43%) Problem-Solving
5 3 (21.43%) Statistical Modelling
5 3 (21.43%) Unit Testing
Programming Languages
1 10 (71.43%) Java
2 8 (57.14%) Java 8
3 6 (42.86%) Python
3 6 (42.86%) Scala
4 4 (28.57%) Bash Shell
4 4 (28.57%) Cypher
4 4 (28.57%) SQL
5 2 (14.29%) Go
5 2 (14.29%) Ruby
6 1 (7.14%) Gremlin
6 1 (7.14%) Groovy
Qualifications
1 12 (85.71%) SC Cleared
1 12 (85.71%) Security Cleared
2 1 (7.14%) DV Cleared
Quality Assurance & Compliance
1 3 (21.43%) QA
System Software
1 12 (85.71%) Docker
2 3 (21.43%) HDFS
Systems Management
1 12 (85.71%) Kubernetes
2 8 (57.14%) Ansible
2 8 (57.14%) Terraform
3 2 (14.29%) Ambari
3 2 (14.29%) Consul
3 2 (14.29%) Hadoop YARN
3 2 (14.29%) HAProxy
3 2 (14.29%) Host Intrusion Detection System
3 2 (14.29%) Network Intrusion Detection System
3 2 (14.29%) Prometheus
3 2 (14.29%) Sysdig