Period
to 24 June 2018

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 24 June 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.

SQL (Structured Query Language)
South London > Croydon
6 months to
24 Jun 2018
Same period 2017 Same period 2016
Rank 36 15 34
Rank change year-on-year -21 +19 -27
Contract jobs citing SQL 79 40 29
As % of all contract IT jobs advertised in Croydon 7.28% 10.64% 5.56%
As % of the Programming Languages category 15.90% 20.30% 14.29%
Number of daily rates quoted 48 20 21
Croydon median daily rate £461 £450 £365
Median daily rate % change year-on-year +2.50% +23.29% -2.67%
10th Percentile £337 £361 £275
90th Percentile £621 £525 £488
South London median daily rate £450 £400 £400
% change year-on-year +12.50% - +24.03%
Number of hourly rates quoted 0 0 0
Croydon median hourly rate - - -
South London median hourly rate £24.50 £47.00 -
% change year-on-year -47.87% - -

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 497 197 203
As % of all contract IT jobs advertised in Croydon 45.81% 52.39% 38.89%
Number of daily rates quoted 324 100 154
Croydon median daily rate £500 £450 £406
Median daily rate % change year-on-year +11.11% +10.77% +8.33%
10th Percentile £358 £345 £300
90th Percentile £613 £564 £509
South London median daily rate £475 £450 £400
% change year-on-year +5.56% +12.50% +13.48%
Number of hourly rates quoted 0 0 0
Croydon median hourly rate - - -
South London median hourly rate £45.00 £47.83 £47.83
% change year-on-year -5.92% - -8.32%

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 24 June 2018.

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 24 June 2018, IT contractor jobs citing SQL 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 SQL.

1 54 (68.35%) Security Cleared
2 37 (46.84%) SC Cleared
3 31 (39.24%) SQL Server
4 27 (34.18%) Linux
4 27 (34.18%) Windows
5 26 (32.91%) Test Automation
6 24 (30.38%) Java
7 22 (27.85%) Agile Software Development
8 19 (24.05%) PostgreSQL
9 17 (21.52%) JavaScript
9 17 (21.52%) CentOS
10 16 (20.25%) DV Cleared
11 15 (18.99%) Amazon AWS
11 15 (18.99%) Jenkins
11 15 (18.99%) Windows 10
12 14 (17.72%) BDD
12 14 (17.72%) MySQL
12 14 (17.72%) Cisco
13 13 (16.46%) Oracle
13 13 (16.46%) Windows Server
14 12 (15.19%) SQL Server 2016
14 12 (15.19%) vCenter Server
14 12 (15.19%) DevOps
14 12 (15.19%) NetApp
14 12 (15.19%) VMware
14 12 (15.19%) Firewall
14 12 (15.19%) VMware ESXi
14 12 (15.19%) Splunk
14 12 (15.19%) Spring
14 12 (15.19%) JIRA

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 (10.13%) Apache Spark
2 6 (7.59%) Confluence
3 5 (6.33%) Elasticsearch
4 3 (3.80%) IIS
4 3 (3.80%) JBoss
4 3 (3.80%) Jetty
4 3 (3.80%) nginx
4 3 (3.80%) Oracle Self-Service HR
4 3 (3.80%) Tomcat
4 3 (3.80%) WebLogic
5 2 (2.53%) Apache Pig
6 1 (1.27%) Skype for Business
Applications
1 3 (3.80%) Microsoft Excel
Business Applications
1 1 (1.27%) Unit4 Business World
Cloud Services
1 15 (18.99%) Amazon AWS
2 5 (6.33%) Amazon EC2
2 5 (6.33%) GitHub
3 3 (3.80%) AWS CloudFormation
3 3 (3.80%) Microsoft Azure
3 3 (3.80%) SaaS
4 2 (2.53%) Amazon S3
4 2 (2.53%) NuGet
4 2 (2.53%) Virtual Private Cloud
5 1 (1.27%) Quay.io
Communications & Networking
1 12 (15.19%) Firewall
2 5 (6.33%) VPN
3 3 (3.80%) Network Security
3 3 (3.80%) SSH
4 2 (2.53%) DNS
4 2 (2.53%) HTTP
4 2 (2.53%) ICMP
4 2 (2.53%) TCP/IP
5 1 (1.27%) PSTN
5 1 (1.27%) Skype
5 1 (1.27%) Unified Communications
5 1 (1.27%) WAN
Database & Business Intelligence
1 31 (39.24%) SQL Server
2 19 (24.05%) PostgreSQL
3 14 (17.72%) MySQL
4 12 (15.19%) SQL Server 2016
5 11 (13.92%) Redis
6 8 (10.13%) Big Data
6 8 (10.13%) Hadoop
7 7 (8.86%) MongoDB
8 6 (7.59%) Adabas
9 5 (6.33%) NoSQL
9 5 (6.33%) Oracle Database
9 5 (6.33%) SQL Server 2012
10 4 (5.06%) Data Warehouse
10 4 (5.06%) Neo4j
11 3 (3.80%) HBase
11 3 (3.80%) Relational Database
12 2 (2.53%) Amazon RDS
12 2 (2.53%) Apache Hive
12 2 (2.53%) Flink
12 2 (2.53%) Oracle Database 12c
Development Applications
1 15 (18.99%) Jenkins
2 12 (15.19%) JIRA
2 12 (15.19%) Selenium
3 11 (13.92%) Cucumber
4 10 (12.66%) Maven
5 8 (10.13%) Git (software)
6 6 (7.59%) Artifactory
6 6 (7.59%) Hudson
7 4 (5.06%) Gradle
8 3 (3.80%) Ant
8 3 (3.80%) Atlassian Bamboo
8 3 (3.80%) ClearCase
8 3 (3.80%) Eclipse
8 3 (3.80%) FishEye
8 3 (3.80%) IntelliJ
8 3 (3.80%) JMeter
8 3 (3.80%) Mercurial
8 3 (3.80%) Poseidon for UML
8 3 (3.80%) Subversion
8 3 (3.80%) Vagrant
General
1 5 (6.33%) Finance
2 2 (2.53%) Retail
3 1 (1.27%) Manufacturing
3 1 (1.27%) Telecoms
Job Titles
1 20 (25.32%) Developer
2 10 (12.66%) Java Developer
2 10 (12.66%) Network Engineer
3 7 (8.86%) Project Manager
3 7 (8.86%) SQL Developer
4 6 (7.59%) Administrator
4 6 (7.59%) Analyst
4 6 (7.59%) Data Engineer
4 6 (7.59%) Data Migration Manager
4 6 (7.59%) Data Migration Project Manager
4 6 (7.59%) Infrastructure Engineer
4 6 (7.59%) Migration Manager
4 6 (7.59%) Migration Project Manager
4 6 (7.59%) Network Infrastructure Engineer
5 5 (6.33%) Architect
5 5 (6.33%) Data Manager
5 5 (6.33%) DV Cleared Network Engineer
5 5 (6.33%) Support Engineer
5 5 (6.33%) Test Analyst
6 4 (5.06%) Tester
Libraries, Frameworks & Software Standards
1 12 (15.19%) Spring
2 11 (13.92%) Node.js
3 10 (12.66%) REST
4 9 (11.39%) Spring Boot
5 7 (8.86%) React
6 6 (7.59%) HTML
6 6 (7.59%) J2EE
6 6 (7.59%) JSON
6 6 (7.59%) Kafka
6 6 (7.59%) XML
7 5 (6.33%) Hibernate
7 5 (6.33%) Java SE
7 5 (6.33%) Samza
7 5 (6.33%) Web Services
8 4 (5.06%) Elastic Stack
9 3 (3.80%) ActiveMQ
9 3 (3.80%) AngularJS
9 3 (3.80%) Apache Camel
9 3 (3.80%) GWT
9 3 (3.80%) Play Framework
Miscellaneous
1 6 (7.59%) Mainframe
2 3 (3.80%) Derivative
2 3 (3.80%) Distributed Denial-of-Service
2 3 (3.80%) User Experience
3 2 (2.53%) Public Cloud
4 1 (1.27%) Algorithms
4 1 (1.27%) Freedom of Information
4 1 (1.27%) Freedom of Information Act
4 1 (1.27%) Management Information System
4 1 (1.27%) Mobile App
4 1 (1.27%) NHS
4 1 (1.27%) Self-Motivation
4 1 (1.27%) Virtual Team
Operating Systems
1 27 (34.18%) Linux
1 27 (34.18%) Windows
2 17 (21.52%) CentOS
3 15 (18.99%) Windows 10
4 13 (16.46%) Windows Server
5 8 (10.13%) Unix
6 5 (6.33%) Mac OS X
6 5 (6.33%) Red Hat Enterprise Linux
7 4 (5.06%) Android
7 4 (5.06%) Apple iOS
7 4 (5.06%) Ubuntu
8 3 (3.80%) Debian
9 2 (2.53%) CoreOS
9 2 (2.53%) Windows Server 2012
10 1 (1.27%) Solaris
10 1 (1.27%) Windows 7
Processes & Methodologies
1 26 (32.91%) Test Automation
2 22 (27.85%) Agile Software Development
3 14 (17.72%) BDD
4 12 (15.19%) DevOps
5 9 (11.39%) Migration
5 9 (11.39%) Scrum
6 8 (10.13%) Data Migration
6 8 (10.13%) Performance Tuning
7 7 (8.86%) Data Analysis
7 7 (8.86%) TDD
8 6 (7.59%) Configuration Management
8 6 (7.59%) Continuous Improvement
8 6 (7.59%) Data Reconciliation
8 6 (7.59%) Deployment Automation
8 6 (7.59%) Problem-Solving
8 6 (7.59%) Project Management
8 6 (7.59%) Re-Platforming
8 6 (7.59%) Visualisation
9 5 (6.33%) Continuous Integration
9 5 (6.33%) Test Scripting
Programming Languages
1 24 (30.38%) Java
2 17 (21.52%) JavaScript
3 11 (13.92%) PL/SQL
4 8 (10.13%) Java 8
5 7 (8.86%) PowerShell
5 7 (8.86%) Python
5 7 (8.86%) Ruby
6 6 (7.59%) Groovy
6 6 (7.59%) Natural
7 5 (6.33%) Scala
8 4 (5.06%) Go
8 4 (5.06%) VB
9 3 (3.80%) Bash Shell
9 3 (3.80%) C++
9 3 (3.80%) Clojure
9 3 (3.80%) ClojureScript
9 3 (3.80%) Perl
9 3 (3.80%) T-SQL
9 3 (3.80%) VBA
10 2 (2.53%) VBScript
Qualifications
1 54 (68.35%) Security Cleared
2 37 (46.84%) SC Cleared
3 16 (20.25%) DV Cleared
4 6 (7.59%) Oracle Certification
5 4 (5.06%) CTC Cleared
6 1 (1.27%) MCITP
6 1 (1.27%) MCP
6 1 (1.27%) MCSA
6 1 (1.27%) MCSE
6 1 (1.27%) MCTS
6 1 (1.27%) Microsoft Certification
Quality Assurance & Compliance
1 6 (7.59%) Data Quality
2 1 (1.27%) PMO
2 1 (1.27%) QA
System Software
1 12 (15.19%) VMware ESXi
2 6 (7.59%) Docker
3 4 (5.06%) Microsoft App-V
4 2 (2.53%) Active Directory
4 2 (2.53%) Ceph
4 2 (2.53%) etcd
4 2 (2.53%) flannel
4 2 (2.53%) GlusterFS
4 2 (2.53%) Oracle RAC
4 2 (2.53%) SkyDNS
5 1 (1.27%) Virtual Servers
Systems Management
1 12 (15.19%) vCenter Server
2 7 (8.86%) Kubernetes
2 7 (8.86%) Terraform
3 6 (7.59%) Puppet
4 4 (5.06%) Ansible
4 4 (5.06%) Host Intrusion Detection System
4 4 (5.06%) Network Intrusion Detection System
4 4 (5.06%) Prometheus
4 4 (5.06%) SCCM
4 4 (5.06%) Sysdig
5 3 (3.80%) HAProxy
5 3 (3.80%) McAfee ePO
5 3 (3.80%) Salt
6 2 (2.53%) Ambari
6 2 (2.53%) Consul
6 2 (2.53%) Data Guard
6 2 (2.53%) Graphite
6 2 (2.53%) Hadoop YARN
6 2 (2.53%) Oracle RMAN
6 2 (2.53%) rkt
Vendors
1 14 (17.72%) Cisco
2 13 (16.46%) Oracle
3 12 (15.19%) NetApp
3 12 (15.19%) Splunk
3 12 (15.19%) VMware
4 10 (12.66%) Microsoft
5 6 (7.59%) Software AG
6 4 (5.06%) Hortonworks
6 4 (5.06%) Ivanti
7 3 (3.80%) Cloudera
7 3 (3.80%) McAfee
7 3 (3.80%) Red Hat
7 3 (3.80%) Sybase
8 2 (2.53%) Avaya
9 1 (1.27%) Atlassian
9 1 (1.27%) Cadence
9 1 (1.27%) Citrix
9 1 (1.27%) IBM
9 1 (1.27%) Teradata