Period
to 23 November 2017

The following table provides summary statistics for contract job vacancies advertised in Croydon with a requirement for SQL skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited SQL over the 6 months to 23 November 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.

SQL (Structured Query Language)
South London > Croydon
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 33 28 7
Rank change year-on-year -5 -21 +5
Contract jobs citing SQL 65 49 59
As % of all contract IT jobs advertised in Croydon 7.42% 9.19% 17.51%
As % of the Programming Languages category 14.57% 21.03% 38.56%
Number of daily rates quoted 33 40 44
Croydon median daily rate £425 £375 £360
Median daily rate % change year-on-year +13.33% +4.17% -24.21%
10th Percentile £308 £273 £308
90th Percentile £570 £513 £464
South London median daily rate £425 £379 £350
% change year-on-year +12.21% +8.21% -12.50%
Number of hourly rates quoted 0 0 3
Croydon median hourly rate - - £27.78
South London median hourly rate £50.00 £50.00 £40.00
% change year-on-year - +25.00% +25.00%

SQL is in the Programming Languages 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 coding skills.

All Programming Languages
Croydon
Contract vacancies with a requirement for coding skills 446 233 153
As % of all contract IT jobs advertised in Croydon 50.91% 43.71% 45.40%
Number of daily rates quoted 278 137 94
Croydon median daily rate £500 £410 £394
Median daily rate % change year-on-year +21.95% +4.13% -12.50%
10th Percentile £382 £295 £313
90th Percentile £646 £547 £488
South London median daily rate £500 £413 £350
% change year-on-year +21.21% +17.86% -6.67%
Number of hourly rates quoted 0 0 4
Croydon median hourly rate - - £28.89
South London median hourly rate £47.83 £47.83 £47.83

SQL
Job Vacancy Trend in Croydon

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

Job vacancy trend for SQL in Croydon

SQL
Contractor Daily Rate Trend in Croydon

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

Contractor daily rate trend for SQL in Croydon

SQL
Contractor Daily Rate Histogram in Croydon

The daily rate distribution of IT jobs citing SQL in Croydon over the 6 months to 23 November 2017.

Contractor daily rate histogram for SQL in Croydon

SQL
Contractor Hourly Rate Trend in Croydon

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing SQL in Croydon.

Contractor hourly rate trend for SQL in Croydon

For the 6 months to 23 November 2017, IT contractor jobs citing SQL 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 SQL.

1 36 (55.38%) Agile Software Development
2 35 (53.85%) Security Cleared
3 33 (50.77%) SC Cleared
4 26 (40.00%) PostgreSQL
5 16 (24.62%) Java
5 16 (24.62%) JIRA
6 15 (23.08%) Amazon AWS
6 15 (23.08%) Oracle
6 15 (23.08%) Scrum
7 14 (21.54%) Linux
7 14 (21.54%) Unix
7 14 (21.54%) Puppet
7 14 (21.54%) Jenkins
8 13 (20.00%) DevOps
9 12 (18.46%) NoSQL
9 12 (18.46%) Hadoop
10 11 (16.92%) REST
10 11 (16.92%) Test Automation
10 11 (16.92%) HTML
11 10 (15.38%) ETL
11 10 (15.38%) Finance
11 10 (15.38%) Git (software)
11 10 (15.38%) Big Data
12 9 (13.85%) HTML5
12 9 (13.85%) Data Warehouse
12 9 (13.85%) SQL Server
12 9 (13.85%) Oracle Database
13 8 (12.31%) VBScript
13 8 (12.31%) JavaScript
13 8 (12.31%) Web Services

SQL
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 (12.31%) Confluence
2 7 (10.77%) Oracle SOA Suite
3 6 (9.23%) Apache Spark
4 4 (6.15%) JBoss
4 4 (6.15%) SAS
4 4 (6.15%) WebLogic
5 2 (3.08%) nginx
5 2 (3.08%) SharePoint
6 1 (1.54%) CMS
6 1 (1.54%) EPiServer
6 1 (1.54%) Tomcat
Applications
1 5 (7.69%) Microsoft Excel
Business Applications
1 8 (12.31%) Oracle BPM
Cloud Services
1 15 (23.08%) Amazon AWS
2 3 (4.62%) Amazon EC2
2 3 (4.62%) Amazon S3
3 2 (3.08%) GitHub
3 2 (3.08%) Microsoft Azure
3 2 (3.08%) Quay.io
4 1 (1.54%) iPaaS
Communications & Networking
1 1 (1.54%) Internet
Database & Business Intelligence
1 26 (40.00%) PostgreSQL
2 12 (18.46%) Hadoop
2 12 (18.46%) NoSQL
3 10 (15.38%) Big Data
4 9 (13.85%) Data Warehouse
4 9 (13.85%) Oracle Database
4 9 (13.85%) SQL Server
5 4 (6.15%) HBase
5 4 (6.15%) SAS Enterprise Guide
5 4 (6.15%) Star Schema
6 3 (4.62%) Amazon Redshift
6 3 (4.62%) Apache Hive
6 3 (4.62%) MySQL
6 3 (4.62%) SQL Server Integration Services
7 2 (3.08%) MongoDB
7 2 (3.08%) SQL Server 2008
7 2 (3.08%) SQL Server Reporting Services
8 1 (1.54%) Oracle Database 11g
8 1 (1.54%) SQL Server 2005
8 1 (1.54%) SQL Server Analysis Services
Development Applications
1 16 (24.62%) JIRA
2 14 (21.54%) Jenkins
3 10 (15.38%) Git (software)
4 8 (12.31%) Bitbucket
5 6 (9.23%) Maven
6 4 (6.15%) Eclipse
6 4 (6.15%) Team Foundation Server
7 2 (3.08%) Artifactory
7 2 (3.08%) GitLab
7 2 (3.08%) Selenium
7 2 (3.08%) Visual Studio
8 1 (1.54%) ERwin
8 1 (1.54%) Grunt
8 1 (1.54%) JMeter
8 1 (1.54%) JUnit
8 1 (1.54%) MSI
8 1 (1.54%) NUnit
8 1 (1.54%) SonarQube
8 1 (1.54%) SQL Server Management Studio (SSMS)
8 1 (1.54%) Sublime Text
General
1 10 (15.38%) Finance
2 5 (7.69%) Banking
3 4 (6.15%) Investment Banking
4 3 (4.62%) Publishing
5 1 (1.54%) Manufacturing
Job Titles
1 23 (35.38%) Developer
2 8 (12.31%) Administrator
2 8 (12.31%) Java Developer
3 6 (9.23%) Big Data Developer
4 5 (7.69%) Analyst
4 5 (7.69%) DevOps Engineer
4 5 (7.69%) SC Cleared Java Developer
5 4 (6.15%) Data Engineer
5 4 (6.15%) Linux Administrator
5 4 (6.15%) Test Manager
6 3 (4.62%) AWS DevOps
6 3 (4.62%) AWS DevOps Engineer
6 3 (4.62%) AWS Engineer
6 3 (4.62%) DBA
6 3 (4.62%) Django Developer
6 3 (4.62%) SC Cleared DBA
6 3 (4.62%) Senior Data Engineer
6 3 (4.62%) Test Analyst
6 3 (4.62%) Tester
6 3 (4.62%) Unix Administrator
Libraries, Frameworks & Software Standards
1 11 (16.92%) HTML
1 11 (16.92%) REST
2 9 (13.85%) HTML5
3 8 (12.31%) Web Services
3 8 (12.31%) XML
4 7 (10.77%) ActiveMQ
4 7 (10.77%) Spring
5 6 (9.23%) AngularJS
5 6 (9.23%) CSS
5 6 (9.23%) Kafka
6 5 (7.69%) .NET
6 5 (7.69%) Hibernate
7 4 (6.15%) EJB
7 4 (6.15%) GWT
7 4 (6.15%) jQuery
7 4 (6.15%) JSF
7 4 (6.15%) JSP
8 3 (4.62%) ASP.NET
8 3 (4.62%) Django
8 3 (4.62%) J2EE
Miscellaneous
1 6 (9.23%) Analytical Skills
2 4 (6.15%) Computer Science
3 1 (1.54%) Greenfield Project
3 1 (1.54%) User Experience
Operating Systems
1 14 (21.54%) Linux
1 14 (21.54%) Unix
2 8 (12.31%) Windows
3 5 (7.69%) Red Hat Enterprise Linux
4 4 (6.15%) CentOS
5 3 (4.62%) Windows 10
6 2 (3.08%) CoreOS
Processes & Methodologies
1 36 (55.38%) Agile Software Development
2 15 (23.08%) Scrum
3 13 (20.00%) DevOps
4 11 (16.92%) Test Automation
5 10 (15.38%) ETL
6 8 (12.31%) Kanban
6 8 (12.31%) Validation
7 7 (10.77%) SOA
7 7 (10.77%) SQL Optimisation
7 7 (10.77%) Test Scripting
8 6 (9.23%) Continuous Integration
8 6 (9.23%) OO
8 6 (9.23%) Test Management
9 5 (7.69%) Business Intelligence
9 5 (7.69%) Configuration Management
9 5 (7.69%) Data Integration
9 5 (7.69%) Microservices
10 4 (6.15%) Change Management
10 4 (6.15%) Migration
10 4 (6.15%) OOD
Programming Languages
1 16 (24.62%) Java
2 8 (12.31%) JavaScript
2 8 (12.31%) VBScript
3 7 (10.77%) PowerShell
4 6 (9.23%) Python
5 5 (7.69%) C#
6 4 (6.15%) AWK
6 4 (6.15%) SAS Macro
6 4 (6.15%) sed
7 3 (4.62%) PL/SQL
7 3 (4.62%) Scala
7 3 (4.62%) T-SQL
7 3 (4.62%) VB
8 2 (3.08%) Go
8 2 (3.08%) Ruby
9 1 (1.54%) Bash Shell
9 1 (1.54%) Data Analysis Expressions (DAX)
9 1 (1.54%) Korn
9 1 (1.54%) Perl
9 1 (1.54%) PHP
Qualifications
1 35 (53.85%) Security Cleared
2 33 (50.77%) SC Cleared
3 3 (4.62%) AWS Certification
4 2 (3.08%) CTC Cleared
4 2 (3.08%) DV Cleared
5 1 (1.54%) BPSS Clearance
5 1 (1.54%) Degree
5 1 (1.54%) ISEB
5 1 (1.54%) PMI Certification
5 1 (1.54%) PMP
Quality Assurance & Compliance
1 5 (7.69%) Data Quality
2 1 (1.54%) QA
System Software
1 3 (4.62%) Docker
1 3 (4.62%) HDFS
1 3 (4.62%) Microsoft App-V
2 2 (3.08%) Ceph
2 2 (3.08%) etcd
2 2 (3.08%) flannel
2 2 (3.08%) GlusterFS
2 2 (3.08%) SkyDNS
Systems Management
1 14 (21.54%) Puppet
2 7 (10.77%) Ambari
2 7 (10.77%) ZABBIX
3 3 (4.62%) Hadoop YARN
3 3 (4.62%) Opscode Chef
3 3 (4.62%) SCCM
4 2 (3.08%) Ansible
4 2 (3.08%) Graphite
4 2 (3.08%) HAProxy
4 2 (3.08%) Host Intrusion Detection System
4 2 (3.08%) Kubernetes
4 2 (3.08%) Network Intrusion Detection System
4 2 (3.08%) Prometheus
4 2 (3.08%) rkt
4 2 (3.08%) Sysdig
5 1 (1.54%) HP Quality Center
5 1 (1.54%) Kibana
5 1 (1.54%) McAfee ePO
5 1 (1.54%) Terraform
Vendors
1 15 (23.08%) Oracle
2 7 (10.77%) Greenplum
3 5 (7.69%) Microsoft
4 4 (6.15%) Perforce
5 3 (4.62%) Progress
6 1 (1.54%) AppSense
6 1 (1.54%) Cognizant
6 1 (1.54%) F5
6 1 (1.54%) IBM
6 1 (1.54%) McAfee
6 1 (1.54%) Red Hat
6 1 (1.54%) ServiceNow
6 1 (1.54%) VMware