Period
to 23 July 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 23 July 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
23 Jul 2018
Same period 2017 Same period 2016
Rank 56 46 31
Rank change year-on-year -10 -15 +2
Contract jobs citing Open Source 52 17 33
As % of all contract IT jobs advertised in Croydon 4.57% 4.20% 6.01%
As % of the Processes & Methodologies category 5.19% 4.70% 6.60%
Number of daily rates quoted 33 9 21
Croydon median daily rate £568 £500 £425
Median daily rate % change year-on-year +13.50% +17.65% -5.56%
10th Percentile £414 £400 £375
90th Percentile £700 £560 £488
South London median daily rate £575 £500 £425
% change year-on-year +15.00% +17.65% -5.56%
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 1,001 362 500
As % of all contract IT jobs advertised in Croydon 88.04% 89.38% 91.07%
Number of daily rates quoted 680 201 367
Croydon median daily rate £500 £450 £418
Median daily rate % change year-on-year +11.11% +7.78% +9.87%
10th Percentile £363 £295 £287
90th Percentile £675 £580 £575
South London median daily rate £500 £450 £425
% change year-on-year +11.11% +5.88% +16.44%
Number of hourly rates quoted 3 2 12
Croydon median hourly rate £35.00 £20.75 £21.50
Median hourly rate % change year-on-year +68.67% -3.49% -22.61%
South London median hourly rate £41.77 £47.00 £21.00
% change year-on-year -11.14% +123.81% -56.09%

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 23 July 2018.

Contractor daily rate histogram for Open Source in Croydon

For the 6 months to 23 July 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 32 (61.54%) Security Cleared
2 31 (59.62%) Agile Software Development
2 31 (59.62%) DevOps
3 30 (57.69%) Java
4 28 (53.85%) SC Cleared
4 28 (53.85%) Docker
5 25 (48.08%) Amazon AWS
6 20 (38.46%) Kubernetes
7 18 (34.62%) Microservices
8 17 (32.69%) Microsoft Azure
9 16 (30.77%) Continuous Integration
9 16 (30.77%) Jenkins
10 14 (26.92%) Git (software)
10 14 (26.92%) Hadoop
11 13 (25.00%) Linux
11 13 (25.00%) Configuration Management
12 12 (23.08%) PostgreSQL
13 11 (21.15%) Spring
14 10 (19.23%) QA
14 10 (19.23%) Stakeholder Management
14 10 (19.23%) Python
14 10 (19.23%) Puppet
15 9 (17.31%) Elasticsearch
15 9 (17.31%) SonarQube
15 9 (17.31%) Test Automation
16 8 (15.38%) Public Cloud
16 8 (15.38%) GitLab
16 8 (15.38%) Security Hardening
16 8 (15.38%) Elastic Stack
16 8 (15.38%) Host Intrusion Detection System

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 9 (17.31%) Elasticsearch
2 7 (13.46%) nginx
3 5 (9.62%) WildFly
4 3 (5.77%) Apache Spark
5 2 (3.85%) Apache Pig
5 2 (3.85%) Tomcat
6 1 (1.92%) CMS
6 1 (1.92%) Confluence
6 1 (1.92%) JBoss
6 1 (1.92%) Oracle Service Bus
6 1 (1.92%) WebLogic
Cloud Services
1 25 (48.08%) Amazon AWS
2 17 (32.69%) Microsoft Azure
3 7 (13.46%) GitHub
4 3 (5.77%) Virtual Private Cloud
5 2 (3.85%) Amazon CloudWatch
5 2 (3.85%) AWS CloudTrail
6 1 (1.92%) Amazon EC2
6 1 (1.92%) Amazon S3
6 1 (1.92%) IaaS
6 1 (1.92%) PaaS
Communications & Networking
1 4 (7.69%) SSL
2 2 (3.85%) DNS
2 2 (3.85%) ICMP
2 2 (3.85%) TCP/IP
2 2 (3.85%) VPN
Database & Business Intelligence
1 14 (26.92%) Hadoop
2 12 (23.08%) PostgreSQL
3 5 (9.62%) Big Data
4 4 (7.69%) Relational Database
5 3 (5.77%) Neo4j
6 2 (3.85%) Apache Hive
6 2 (3.85%) Data Mining
6 2 (3.85%) Data Warehouse
6 2 (3.85%) Flink
6 2 (3.85%) MongoDB
6 2 (3.85%) MySQL
6 2 (3.85%) NoSQL
6 2 (3.85%) Redis
7 1 (1.92%) Amazon DynamoDB
7 1 (1.92%) Oracle Database
Development Applications
1 16 (30.77%) Jenkins
2 14 (26.92%) Git (software)
3 9 (17.31%) SonarQube
4 8 (15.38%) Artifactory
4 8 (15.38%) GitLab
5 6 (11.54%) Burp Suite
6 5 (9.62%) Maven
7 3 (5.77%) Cucumber
8 2 (3.85%) JUnit
8 2 (3.85%) Selenium
8 2 (3.85%) TeamCity
8 2 (3.85%) Vagrant
8 2 (3.85%) WebDriver
9 1 (1.92%) Appium
9 1 (1.92%) DbUnit
9 1 (1.92%) JIRA
9 1 (1.92%) jMock
9 1 (1.92%) Mockito
9 1 (1.92%) Spock
9 1 (1.92%) TestDirector
General
1 2 (3.85%) Legal
1 2 (3.85%) Retail
2 1 (1.92%) Finance
Job Titles
1 12 (23.08%) Developer
2 11 (21.15%) Architect
3 9 (17.31%) Java Developer
4 7 (13.46%) Technical Architect
4 7 (13.46%) Tester
5 6 (11.54%) Penetration Tester
5 6 (11.54%) SC Cleared Java Developer
6 5 (9.62%) DevOps Engineer
7 4 (7.69%) Build and Release Engineer
7 4 (7.69%) Build Engineer
7 4 (7.69%) Java Architect
7 4 (7.69%) Release Engineer
8 3 (5.77%) Integration Developer
8 3 (5.77%) Java Engineer
8 3 (5.77%) Java Technical Architect
9 2 (3.85%) AWS Architect
9 2 (3.85%) Big Data Engineer
9 2 (3.85%) Linux Engineer
9 2 (3.85%) Python Engineer
9 2 (3.85%) Test Manager
Libraries, Frameworks & Software Standards
1 11 (21.15%) Spring
2 8 (15.38%) Elastic Stack
3 7 (13.46%) Kafka
4 5 (9.62%) Hibernate
4 5 (9.62%) Velocity
5 4 (7.69%) AngularJS
5 4 (7.69%) Apache Camel
5 4 (7.69%) YAML
6 3 (5.77%) Drools
6 3 (5.77%) OpenID
6 3 (5.77%) Spring Security
6 3 (5.77%) Web Services
7 2 (3.85%) Java EE
7 2 (3.85%) JSON
7 2 (3.85%) REST
7 2 (3.85%) Samza
7 2 (3.85%) SOAP
7 2 (3.85%) Spring Boot
8 1 (1.92%) MLlib
8 1 (1.92%) TensorFlow
Miscellaneous
1 8 (15.38%) Public Cloud
2 5 (9.62%) CESG
3 2 (3.85%) Management Information System
3 2 (3.85%) NHS
3 2 (3.85%) Self-Motivation
4 1 (1.92%) Cloud Native
4 1 (1.92%) Greenfield Project
4 1 (1.92%) User Experience
Operating Systems
1 13 (25.00%) Linux
2 6 (11.54%) CoreOS
3 4 (7.69%) Unix
Processes & Methodologies
1 31 (59.62%) Agile Software Development
1 31 (59.62%) DevOps
2 18 (34.62%) Microservices
3 16 (30.77%) Continuous Integration
4 13 (25.00%) Configuration Management
5 10 (19.23%) Stakeholder Management
6 9 (17.31%) Test Automation
7 8 (15.38%) Problem-Solving
7 8 (15.38%) Security Hardening
7 8 (15.38%) Task Automation
8 7 (13.46%) Data Modelling
8 7 (13.46%) Mentoring
8 7 (13.46%) Release Management
8 7 (13.46%) Software Delivery
8 7 (13.46%) Workflow
9 6 (11.54%) Penetration Testing
9 6 (11.54%) Programme Delivery
10 5 (9.62%) Capacity Planning
10 5 (9.62%) Domain-Driven Design
10 5 (9.62%) Forensic Analysis
Programming Languages
1 30 (57.69%) Java
2 10 (19.23%) Python
3 5 (9.62%) Bash Shell
4 4 (7.69%) Groovy
4 4 (7.69%) Shell Script
4 4 (7.69%) SQL
5 3 (5.77%) Go
5 3 (5.77%) Ruby
5 3 (5.77%) Scala
6 1 (1.92%) Java 8
Qualifications
1 32 (61.54%) Security Cleared
2 28 (53.85%) SC Cleared
3 5 (9.62%) CHECK Team Member
3 5 (9.62%) DV Cleared
4 2 (3.85%) ISEB
4 2 (3.85%) ISTQB
5 1 (1.92%) BPSS Clearance
Quality Assurance & Compliance
1 10 (19.23%) QA
2 2 (3.85%) PMO
3 1 (1.92%) GDPR
System Software
1 28 (53.85%) Docker
2 5 (9.62%) Apache ZooKeeper
3 3 (5.77%) Active Directory
4 1 (1.92%) Ceph
4 1 (1.92%) etcd
4 1 (1.92%) flannel
4 1 (1.92%) GlusterFS
4 1 (1.92%) SkyDNS
4 1 (1.92%) VMware Infrastructure
4 1 (1.92%) vSphere
Systems Management
1 20 (38.46%) Kubernetes
2 10 (19.23%) Puppet
3 8 (15.38%) Ansible
3 8 (15.38%) Host Intrusion Detection System
3 8 (15.38%) Network Intrusion Detection System
3 8 (15.38%) Prometheus
3 8 (15.38%) Sysdig
4 7 (13.46%) HAProxy
5 6 (11.54%) Nessus
6 5 (9.62%) Kibana
6 5 (9.62%) logstash
7 3 (5.77%) Single Sign-On
8 2 (3.85%) Ambari
8 2 (3.85%) Consul
8 2 (3.85%) Hadoop YARN
8 2 (3.85%) Terraform
9 1 (1.92%) Graphite
9 1 (1.92%) rkt
Vendors
1 5 (9.62%) Hortonworks
2 4 (7.69%) CA
3 3 (5.77%) Red Hat
4 2 (3.85%) AlienVault
5 1 (1.92%) Greenplum
5 1 (1.92%) IBM
5 1 (1.92%) Microsoft
5 1 (1.92%) Oracle
5 1 (1.92%) ServiceNow
5 1 (1.92%) VMware