Period
to 17 December 2017

The following table provides summary statistics for contract job vacancies advertised in Croydon with a requirement for Open Source skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Open Source over the 6 months to 17 December 2017 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.

Open Source
South London > Croydon
6 months to
17 Dec 2017
Same period 2016 Same period 2015
Rank 53 51 32
Rank change year-on-year -2 -19 -4
Contract jobs citing Open Source 47 23 20
As % of all contract IT jobs advertised in Croydon 4.80% 4.29% 5.65%
As % of the Processes & Methodologies category 5.22% 4.73% 6.43%
Number of daily rates quoted 32 16 9
Croydon median daily rate £551 £450 £450
Median daily rate % change year-on-year +22.50% - -34.90%
10th Percentile £425 £419 £421
90th Percentile £688 £550 £563
South London median daily rate £550 £450 £413
% change year-on-year +22.22% +9.09% -37.97%
Number of hourly rates quoted 0 0 0
Croydon median hourly rate - - -
South London median hourly rate - £47.00 -

Open Source is in the Processes and Methodologies 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 process or methodology skills.

All Process and Methodology Skills
Croydon
Contract vacancies with a requirement for process or methodology skills 900 486 311
As % of all contract IT jobs advertised in Croydon 91.93% 90.67% 87.85%
Number of daily rates quoted 603 286 207
Croydon median daily rate £500 £425 £425
Median daily rate % change year-on-year +17.65% - -5.56%
10th Percentile £353 £300 £313
90th Percentile £675 £575 £525
South London median daily rate £500 £425 £380
% change year-on-year +17.65% +11.84% -7.88%
Number of hourly rates quoted 3 5 2
Croydon median hourly rate £13.50 £43.50 £12.50
Median hourly rate % change year-on-year -68.97% +248.00% -16.67%
10th Percentile £12.80 £27.00 £11.25
90th Percentile £25.65 £95.00 £13.75
South London median hourly rate £47.50 £32.50 £21.00
% change year-on-year +46.15% +54.76% +31.25%

Open Source
Job Vacancy Trend in Croydon

Job postings citing Open Source as a percentage of all IT jobs advertised in Croydon.

Job vacancy trend for Open Source in Croydon

Open Source
Contractor Daily Rate Trend in Croydon

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

Contractor daily rate trend for Open Source in Croydon

Open Source
Contractor Daily Rate Histogram in Croydon

The daily rate distribution of IT jobs citing Open Source in Croydon over the 6 months to 17 December 2017.

Contractor daily rate histogram for Open Source in Croydon

For the 6 months to 17 December 2017, IT contractor jobs citing Open Source also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Croydon region with a requirement for Open Source.

1 29 (61.70%) Agile Software Development
2 27 (57.45%) Security Cleared
3 24 (51.06%) SC Cleared
3 24 (51.06%) Amazon AWS
4 23 (48.94%) Java
5 20 (42.55%) Docker
5 20 (42.55%) DevOps
6 16 (34.04%) TDD
7 15 (31.91%) Puppet
7 15 (31.91%) Ansible
8 14 (29.79%) Web Services
9 13 (27.66%) Linux
9 13 (27.66%) BDD
10 12 (25.53%) Scrum
10 12 (25.53%) Analytics
11 11 (23.40%) PostgreSQL
12 10 (21.28%) Data Analytics
12 10 (21.28%) Opscode Chef
13 9 (19.15%) Apache Camel
13 9 (19.15%) Jenkins
13 9 (19.15%) Kubernetes
13 9 (19.15%) Test Automation
13 9 (19.15%) RESTful
13 9 (19.15%) Visualisation
13 9 (19.15%) Amazon EC2
14 8 (17.02%) Confluence
14 8 (17.02%) Continuous Integration
14 8 (17.02%) JIRA
14 8 (17.02%) Selenium
14 8 (17.02%) Elasticsearch

Open Source
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 8 (17.02%) Confluence
1 8 (17.02%) Elasticsearch
2 4 (8.51%) Apache ServiceMix
2 4 (8.51%) JBoss
3 3 (6.38%) Apache
4 2 (4.26%) OpenStack
4 2 (4.26%) Tomcat
4 2 (4.26%) WebLogic
5 1 (2.13%) Apache Spark
5 1 (2.13%) nginx
Cloud Services
1 24 (51.06%) Amazon AWS
2 9 (19.15%) Amazon EC2
3 6 (12.77%) Amazon CloudWatch
3 6 (12.77%) Amazon Kinesis
3 6 (12.77%) AWS CloudTrail
3 6 (12.77%) Virtual Private Cloud
4 4 (8.51%) GitHub
5 2 (4.26%) Quay.io
6 1 (2.13%) Microsoft Azure
Database & Business Intelligence
1 11 (23.40%) PostgreSQL
2 8 (17.02%) Big Data
3 6 (12.77%) Amazon Redshift
3 6 (12.77%) Data Mining
3 6 (12.77%) Hadoop
3 6 (12.77%) MongoDB
4 4 (8.51%) NoSQL
5 3 (6.38%) HBase
5 3 (6.38%) Relational Database
6 2 (4.26%) Amazon DynamoDB
6 2 (4.26%) DataStax
6 2 (4.26%) Neo4j
7 1 (2.13%) Apache Cassandra
7 1 (2.13%) Couchbase
7 1 (2.13%) OLAP
7 1 (2.13%) RDBMS
7 1 (2.13%) Redis
Development Applications
1 9 (19.15%) Jenkins
2 8 (17.02%) JIRA
2 8 (17.02%) Selenium
3 7 (14.89%) Git (software)
3 7 (14.89%) JUnit
4 6 (12.77%) Cucumber
5 5 (10.64%) Mockito
6 4 (8.51%) Maven
7 3 (6.38%) Artifactory
7 3 (6.38%) DbUnit
7 3 (6.38%) GitLab
7 3 (6.38%) jMock
7 3 (6.38%) Vagrant
8 2 (4.26%) Capybara
8 2 (4.26%) Codeship
8 2 (4.26%) Gradle
8 2 (4.26%) TestNG
8 2 (4.26%) Travis CI
9 1 (2.13%) Atlassian Bamboo
9 1 (2.13%) FitNesse
General
1 3 (6.38%) Marketing
2 2 (4.26%) Electronics
2 2 (4.26%) Finance
2 2 (4.26%) Manufacturing
2 2 (4.26%) Telecoms
3 1 (2.13%) Banking
3 1 (2.13%) Legal
Job Titles
1 14 (29.79%) Developer
2 10 (21.28%) Java Developer
3 9 (19.15%) Architect
4 7 (14.89%) AWS Architect
4 7 (14.89%) Consultant
4 7 (14.89%) DevOps Consultant
5 4 (8.51%) DevOps Engineer
5 4 (8.51%) Solutions Architect
6 3 (6.38%) Automation Tester
6 3 (6.38%) Developer in Test
6 3 (6.38%) Technical Architect
6 3 (6.38%) Technical Leader
6 3 (6.38%) Tester
7 2 (4.26%) Lead DevOps
7 2 (4.26%) Product Manager
7 2 (4.26%) SC Cleared Java Developer
7 2 (4.26%) Selenium Automation Tester
7 2 (4.26%) Selenium Tester
7 2 (4.26%) Senior Developer
8 1 (2.13%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 14 (29.79%) Web Services
2 9 (19.15%) Apache Camel
2 9 (19.15%) RESTful
3 7 (14.89%) HTML
4 6 (12.77%) Spring
5 5 (10.64%) AngularJS
5 5 (10.64%) Kafka
5 5 (10.64%) REST
6 4 (8.51%) Elastic Stack
6 4 (8.51%) J2EE
6 4 (8.51%) Node.js
6 4 (8.51%) SOAP
6 4 (8.51%) Spring Boot
7 3 (6.38%) CSS
7 3 (6.38%) Hibernate
7 3 (6.38%) JMS
7 3 (6.38%) PowerMock
8 2 (4.26%) ActiveMQ
8 2 (4.26%) LAPP Stack
8 2 (4.26%) RESTEasy
Miscellaneous
1 6 (12.77%) Analytical Skills
2 5 (10.64%) Cyberthreat
3 3 (6.38%) Enterprise Software
4 2 (4.26%) Greenfield Project
Operating Systems
1 13 (27.66%) Linux
2 4 (8.51%) CoreOS
3 2 (4.26%) AIX
3 2 (4.26%) Unix
Processes & Methodologies
1 29 (61.70%) Agile Software Development
2 20 (42.55%) DevOps
3 16 (34.04%) TDD
4 13 (27.66%) BDD
5 12 (25.53%) Analytics
5 12 (25.53%) Scrum
6 10 (21.28%) Data Analytics
7 9 (19.15%) Test Automation
7 9 (19.15%) Visualisation
8 8 (17.02%) Continuous Integration
8 8 (17.02%) Microservices
9 6 (12.77%) Big Data Analytics
9 6 (12.77%) Kanban
9 6 (12.77%) Protective Monitoring
9 6 (12.77%) SIEM
10 5 (10.64%) Configuration Management
11 4 (8.51%) Business Intelligence
11 4 (8.51%) Continuous Delivery
11 4 (8.51%) Regression Testing
12 3 (6.38%) Virtual Infrastructure
Programming Languages
1 23 (48.94%) Java
2 7 (14.89%) JavaScript
3 5 (10.64%) Python
4 4 (8.51%) Go
4 4 (8.51%) Ruby
4 4 (8.51%) Scala
5 2 (4.26%) SQL
6 1 (2.13%) Bash Shell
6 1 (2.13%) C++
6 1 (2.13%) Groovy
Qualifications
1 27 (57.45%) Security Cleared
2 24 (51.06%) SC Cleared
3 4 (8.51%) DV Cleared
4 3 (6.38%) Degree
Quality Assurance & Compliance
1 2 (4.26%) QA
2 1 (2.13%) Disclosure Scotland
System Software
1 20 (42.55%) Docker
2 3 (6.38%) VMware Infrastructure
2 3 (6.38%) vSphere
3 2 (4.26%) etcd
3 2 (4.26%) flannel
3 2 (4.26%) HDFS
4 1 (2.13%) Apache ZooKeeper
4 1 (2.13%) Ceph
4 1 (2.13%) GlusterFS
4 1 (2.13%) SkyDNS
Systems Management
1 15 (31.91%) Ansible
1 15 (31.91%) Puppet
2 10 (21.28%) Opscode Chef
3 9 (19.15%) Kubernetes
4 3 (6.38%) Host Intrusion Detection System
4 3 (6.38%) Network Intrusion Detection System
4 3 (6.38%) Terraform
4 3 (6.38%) ZABBIX
5 2 (4.26%) Ambari
5 2 (4.26%) Prometheus
5 2 (4.26%) rkt
5 2 (4.26%) Sysdig
6 1 (2.13%) Graphite
6 1 (2.13%) HAProxy
6 1 (2.13%) Kibana
6 1 (2.13%) logstash
Vendors
1 7 (14.89%) SaltStack
2 6 (12.77%) AlienVault
3 5 (10.64%) VMware
4 3 (6.38%) Hortonworks
5 2 (4.26%) Google
5 2 (4.26%) Oracle
5 2 (4.26%) SAP
5 2 (4.26%) Splunk
6 1 (2.13%) Greenplum
6 1 (2.13%) IBM
6 1 (2.13%) ServiceNow