Period
to 26 April 2018

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 26 April 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.

Open Source
South London > Croydon
6 months to
26 Apr 2018
Same period 2017 Same period 2016
Rank 50 41 28
Rank change year-on-year -9 -13 -3
Contract jobs citing Open Source 52 13 23
As % of all contract IT jobs advertised in Croydon 4.82% 3.27% 4.71%
As % of the Processes & Methodologies category 5.24% 3.66% 5.17%
Number of daily rates quoted 41 5 14
Croydon median daily rate £575 £500 £419
Median daily rate % change year-on-year +15.00% +19.40% +4.69%
10th Percentile £425 £441 £365
90th Percentile £700 £659 £488
South London median daily rate £575 £500 £425
% change year-on-year +15.00% +17.65% +6.25%
Number of hourly rates quoted 0 0 0
Croydon median hourly rate - - -
South London median hourly rate £35.00 £47.00 -
% change year-on-year -25.53% - -

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 993 355 445
As % of all contract IT jobs advertised in Croydon 92.03% 89.20% 91.19%
Number of daily rates quoted 689 205 360
Croydon median daily rate £500 £450 £413
Median daily rate % change year-on-year +11.11% +9.09% +3.13%
10th Percentile £363 £287 £285
90th Percentile £675 £594 £575
South London median daily rate £500 £450 £425
% change year-on-year +11.11% +5.88% +13.33%
Number of hourly rates quoted 2 1 7
Croydon median hourly rate £27.00 £43.50 £21.00
Median hourly rate % change year-on-year -37.93% +107.14% -23.64%
10th Percentile £20.15 £41.75 £15.90
90th Percentile £33.45 £45.25 £31.00
South London median hourly rate £43.92 £47.00 £27.50
% change year-on-year -6.56% +70.91% +74.38%

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 26 April 2018.

Contractor daily rate histogram for Open Source in Croydon

For the 6 months to 26 April 2018, IT contractor jobs citing Open Source 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 Open Source.

1 35 (67.31%) Security Cleared
2 33 (63.46%) Amazon AWS
3 30 (57.69%) SC Cleared
3 30 (57.69%) Agile Software Development
4 29 (55.77%) DevOps
5 24 (46.15%) Docker
6 19 (36.54%) Hadoop
6 19 (36.54%) Linux
7 17 (32.69%) Java
7 17 (32.69%) Microsoft Azure
7 17 (32.69%) Kubernetes
8 15 (28.85%) Elasticsearch
8 15 (28.85%) Puppet
9 14 (26.92%) Ansible
10 12 (23.08%) PostgreSQL
11 11 (21.15%) Big Data
11 11 (21.15%) Microservices
12 10 (19.23%) Kafka
12 10 (19.23%) Data Analytics
12 10 (19.23%) Analytics
12 10 (19.23%) Stakeholder Management
12 10 (19.23%) Python
12 10 (19.23%) Visualisation
12 10 (19.23%) Amazon EC2
13 9 (17.31%) Git (software)
13 9 (17.31%) Data Mining
13 9 (17.31%) Big Data Analytics
13 9 (17.31%) SIEM
13 9 (17.31%) Opscode Chef
13 9 (17.31%) Protective Monitoring

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 15 (28.85%) Elasticsearch
2 5 (9.62%) nginx
2 5 (9.62%) WildFly
3 4 (7.69%) JBoss
4 3 (5.77%) Apache ServiceMix
4 3 (5.77%) Apache Spark
5 2 (3.85%) Tomcat
6 1 (1.92%) Apache Pig
6 1 (1.92%) Confluence
Cloud Services
1 33 (63.46%) Amazon AWS
2 17 (32.69%) Microsoft Azure
3 10 (19.23%) Amazon EC2
4 9 (17.31%) Amazon CloudWatch
4 9 (17.31%) AWS CloudTrail
4 9 (17.31%) Virtual Private Cloud
5 8 (15.38%) Amazon Kinesis
6 5 (9.62%) GitHub
Communications & Networking
1 3 (5.77%) DNS
2 2 (3.85%) OpenLDAP
2 2 (3.85%) TCP/IP
3 1 (1.92%) DHCP
3 1 (1.92%) Firewall
3 1 (1.92%) FTP
3 1 (1.92%) HTTP
3 1 (1.92%) ICMP
3 1 (1.92%) IPsec
3 1 (1.92%) SAN
3 1 (1.92%) SSL
3 1 (1.92%) VPN
Database & Business Intelligence
1 19 (36.54%) Hadoop
2 12 (23.08%) PostgreSQL
3 11 (21.15%) Big Data
4 9 (17.31%) Data Mining
5 8 (15.38%) Amazon Redshift
6 3 (5.77%) Neo4j
6 3 (5.77%) NoSQL
7 2 (3.85%) Data Warehouse
7 2 (3.85%) HBase
7 2 (3.85%) MongoDB
7 2 (3.85%) MySQL
8 1 (1.92%) Apache Hive
8 1 (1.92%) Flink
8 1 (1.92%) RDBMS
8 1 (1.92%) Redis
8 1 (1.92%) Relational Database
Development Applications
1 9 (17.31%) Git (software)
2 6 (11.54%) Artifactory
2 6 (11.54%) Burp Suite
3 5 (9.62%) GitLab
3 5 (9.62%) Jenkins
4 3 (5.77%) JUnit
4 3 (5.77%) Maven
4 3 (5.77%) Mockito
4 3 (5.77%) Sonatype Nexus
5 2 (3.85%) DbUnit
5 2 (3.85%) jMock
6 1 (1.92%) Capybara
6 1 (1.92%) JIRA
6 1 (1.92%) Selenium
6 1 (1.92%) SonarQube
6 1 (1.92%) TestNG
6 1 (1.92%) Travis CI
General
1 2 (3.85%) Finance
1 2 (3.85%) Legal
1 2 (3.85%) Retail
2 1 (1.92%) Electronics
2 1 (1.92%) Manufacturing
2 1 (1.92%) Marketing
2 1 (1.92%) Telecoms
Job Titles
1 15 (28.85%) Architect
2 8 (15.38%) Consultant
2 8 (15.38%) DevOps Consultant
2 8 (15.38%) DevOps Engineer
3 7 (13.46%) AWS Architect
4 6 (11.54%) Penetration Tester
4 6 (11.54%) Tester
5 5 (9.62%) AWS Solutions Architect
5 5 (9.62%) Solutions Architect
6 4 (7.69%) Developer
6 4 (7.69%) Java Developer
6 4 (7.69%) Kubernetes Consultant
7 3 (5.77%) Technical Architect
8 2 (3.85%) Integration Architect
8 2 (3.85%) Java Architect
9 1 (1.92%) Data Scientist
9 1 (1.92%) DevOps Administrator
9 1 (1.92%) Linux DevOps Engineer
9 1 (1.92%) Platform Engineer
9 1 (1.92%) Senior Architect
Libraries, Frameworks & Software Standards
1 10 (19.23%) Kafka
2 8 (15.38%) Apache Camel
2 8 (15.38%) Web Services
3 7 (13.46%) Spring
4 6 (11.54%) Elastic Stack
5 4 (7.69%) J2EE
6 3 (5.77%) ActiveMQ
6 3 (5.77%) Drools
6 3 (5.77%) OpenID
6 3 (5.77%) Spring Security
7 2 (3.85%) AngularJS
7 2 (3.85%) Hibernate
7 2 (3.85%) LAPP Stack
7 2 (3.85%) MLlib
7 2 (3.85%) OSGi
7 2 (3.85%) PowerMock
7 2 (3.85%) RESTful
7 2 (3.85%) SOAP
7 2 (3.85%) Spring Boot
7 2 (3.85%) TensorFlow
Miscellaneous
1 7 (13.46%) Cyberthreat
2 6 (11.54%) Public Cloud
3 5 (9.62%) CESG
4 4 (7.69%) Self-Motivation
5 2 (3.85%) Analytical Skills
5 2 (3.85%) NHS
6 1 (1.92%) Data Centre
6 1 (1.92%) Enterprise Software
Operating Systems
1 19 (36.54%) Linux
2 5 (9.62%) CoreOS
3 3 (5.77%) CentOS
3 3 (5.77%) Red Hat Enterprise Linux
4 1 (1.92%) Ubuntu
4 1 (1.92%) Windows
4 1 (1.92%) Windows Server
Processes & Methodologies
1 30 (57.69%) Agile Software Development
2 29 (55.77%) DevOps
3 11 (21.15%) Microservices
4 10 (19.23%) Analytics
4 10 (19.23%) Data Analytics
4 10 (19.23%) Stakeholder Management
4 10 (19.23%) Visualisation
5 9 (17.31%) Big Data Analytics
5 9 (17.31%) Protective Monitoring
5 9 (17.31%) SIEM
6 8 (15.38%) Configuration Management
7 7 (13.46%) Continuous Integration
8 6 (11.54%) Domain-Driven Design
8 6 (11.54%) Penetration Testing
8 6 (11.54%) Scrum
8 6 (11.54%) Security Hardening
9 5 (9.62%) Forensic Analysis
9 5 (9.62%) Programme Delivery
9 5 (9.62%) Software Delivery
9 5 (9.62%) Workflow
Programming Languages
1 17 (32.69%) Java
2 10 (19.23%) Python
3 6 (11.54%) Bash Shell
4 4 (7.69%) Groovy
5 1 (1.92%) C
5 1 (1.92%) Go
5 1 (1.92%) Java 8
5 1 (1.92%) Ruby
5 1 (1.92%) Scala
5 1 (1.92%) SQL
Qualifications
1 35 (67.31%) Security Cleared
2 30 (57.69%) SC Cleared
3 5 (9.62%) CHECK Team Member
4 4 (7.69%) DV Cleared
5 1 (1.92%) BPSS Clearance
5 1 (1.92%) Degree
Quality Assurance & Compliance
1 6 (11.54%) QA
2 2 (3.85%) PMO
System Software
1 24 (46.15%) Docker
2 5 (9.62%) Apache ZooKeeper
3 3 (5.77%) Active Directory
3 3 (5.77%) VMware Infrastructure
4 2 (3.85%) vSphere
5 1 (1.92%) iptables
5 1 (1.92%) KVM
5 1 (1.92%) Virtual Machines
5 1 (1.92%) VMware ESXi
Systems Management
1 17 (32.69%) Kubernetes
2 15 (28.85%) Puppet
3 14 (26.92%) Ansible
4 9 (17.31%) Opscode Chef
5 6 (11.54%) Host Intrusion Detection System
5 6 (11.54%) Nessus
5 6 (11.54%) Network Intrusion Detection System
5 6 (11.54%) Prometheus
5 6 (11.54%) Sysdig
6 5 (9.62%) HAProxy
6 5 (9.62%) Kibana
6 5 (9.62%) logstash
6 5 (9.62%) Terraform
7 3 (5.77%) Single Sign-On
8 2 (3.85%) ZABBIX
9 1 (1.92%) Ambari
9 1 (1.92%) Consul
9 1 (1.92%) Hadoop YARN
9 1 (1.92%) yum
Vendors
1 9 (17.31%) AlienVault
2 8 (15.38%) SaltStack
3 5 (9.62%) Hortonworks
4 3 (5.77%) Red Hat
4 3 (5.77%) VMware
5 2 (3.85%) Greenplum
5 2 (3.85%) IBM
6 1 (1.92%) SAP
6 1 (1.92%) ServiceNow