Period
to 23 September 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 23 September 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
23 Sep 2018
Same period 2017 Same period 2016
Rank 26 32 24
Rank change year-on-year +6 -8 -14
Contract jobs citing SQL 117 58 46
As % of all contract IT jobs advertised in Croydon 9.94% 10.00% 8.88%
As % of the Programming Languages category 18.03% 17.63% 19.41%
Number of daily rates quoted 80 29 35
Croydon median daily rate £514 £463 £375
Median daily rate % change year-on-year +11.08% +23.33% +7.14%
10th Percentile £325 £361 £275
90th Percentile £564 £555 £516
South London median daily rate £475 £450 £379
% change year-on-year +5.56% +18.81% +12.22%
Number of hourly rates quoted 0 0 0
Croydon median hourly rate - - -
South London median hourly rate £24.50 £50.00 £50.00
% change year-on-year -51.00% - +21.70%

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 649 329 237
As % of all contract IT jobs advertised in Croydon 55.14% 56.72% 45.75%
Number of daily rates quoted 459 182 154
Croydon median daily rate £525 £500 £410
Median daily rate % change year-on-year +5.00% +21.95% +4.13%
10th Percentile £380 £375 £307
90th Percentile £575 £636 £525
South London median daily rate £500 £480 £400
% change year-on-year +4.17% +20.00% +14.29%
Number of hourly rates quoted 0 0 0
Croydon median hourly rate - - -
South London median hourly rate £43.92 £47.83 £21.20
% change year-on-year -8.19% +125.61% -57.60%

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 September 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 23 September 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 59 (50.43%) Security Cleared
2 50 (42.74%) SQL Server
2 50 (42.74%) Agile Software Development
3 45 (38.46%) Windows
4 43 (36.75%) Amazon AWS
4 43 (36.75%) Jenkins
5 42 (35.90%) SC Cleared
6 38 (32.48%) Test Automation
6 38 (32.48%) Unix
7 37 (31.62%) Linux
7 37 (31.62%) Oracle
8 35 (29.91%) Scrum
9 32 (27.35%) Data Analysis
10 31 (26.50%) PowerShell
10 31 (26.50%) Continuous Integration
10 31 (26.50%) Amazon EC2
10 31 (26.50%) Puppet
10 31 (26.50%) Virtual Private Cloud
11 30 (25.64%) Ansible
11 30 (25.64%) Big Data
11 30 (25.64%) Python
12 29 (24.79%) PostgreSQL
13 28 (23.93%) Shell Script
13 28 (23.93%) Amazon S3
14 26 (22.22%) Bash Shell
14 26 (22.22%) Hadoop
14 26 (22.22%) ETL
15 25 (21.37%) Microsoft Excel
16 24 (20.51%) Apache Hive
16 24 (20.51%) Build Automation

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 10 (8.55%) Confluence
2 8 (6.84%) nginx
3 3 (2.56%) Apache Spark
3 3 (2.56%) Elasticsearch
4 2 (1.71%) JBoss
4 2 (1.71%) WebLogic
5 1 (0.85%) Apache Pig
5 1 (0.85%) MQSeries
5 1 (0.85%) Oracle BPEL
5 1 (0.85%) Oracle SOA Suite
5 1 (0.85%) Tomcat
5 1 (0.85%) WebSphere
Applications
1 25 (21.37%) Microsoft Excel
2 23 (19.66%) MS Visio
Business Applications
1 2 (1.71%) Oracle BPM
Cloud Services
1 43 (36.75%) Amazon AWS
2 31 (26.50%) Amazon EC2
2 31 (26.50%) Virtual Private Cloud
3 28 (23.93%) Amazon S3
4 10 (8.55%) GitHub
5 5 (4.27%) Microsoft Azure
6 3 (2.56%) Amazon CloudWatch
6 3 (2.56%) Amazon ELB
6 3 (2.56%) Quay.io
6 3 (2.56%) SaaS
7 2 (1.71%) Azure Active Directory
7 2 (1.71%) Azure Data Factory
Communications & Networking
1 12 (10.26%) Firewall
2 1 (0.85%) DNS
2 1 (0.85%) ICMP
2 1 (0.85%) TCP/IP
2 1 (0.85%) VPN
2 1 (0.85%) WAN
Database & Business Intelligence
1 50 (42.74%) SQL Server
2 30 (25.64%) Big Data
3 29 (24.79%) PostgreSQL
4 26 (22.22%) Hadoop
5 24 (20.51%) Apache Hive
6 23 (19.66%) Impala
6 23 (19.66%) Sqoop
7 12 (10.26%) SQL Server 2016
8 11 (9.40%) NoSQL
9 7 (5.98%) Data Warehouse
10 6 (5.13%) Adabas
10 6 (5.13%) Redis
11 5 (4.27%) Amazon RDS
11 5 (4.27%) HBase
11 5 (4.27%) MySQL
11 5 (4.27%) Oracle Database
12 4 (3.42%) Azure SQL Database
12 4 (3.42%) Power BI
12 4 (3.42%) SQL Server 2012
13 3 (2.56%) SQL Server Analysis Services
Development Applications
1 43 (36.75%) Jenkins
2 20 (17.09%) JIRA
3 19 (16.24%) Git (software)
4 14 (11.97%) Artifactory
5 12 (10.26%) Selenium
6 11 (9.40%) GitLab
7 10 (8.55%) Maven
8 8 (6.84%) Cucumber
9 5 (4.27%) Bitbucket
9 5 (4.27%) WebDriver
10 4 (3.42%) JUnit
11 3 (2.56%) FishEye
11 3 (2.56%) Gradle
11 3 (2.56%) Hudson
11 3 (2.56%) JMeter
11 3 (2.56%) Sonatype Nexus
12 2 (1.71%) MSI
12 2 (1.71%) SonarQube
12 2 (1.71%) Toad
13 1 (0.85%) TeamCity
General
1 5 (4.27%) Finance
2 2 (1.71%) Retail
3 1 (0.85%) Manufacturing
3 1 (0.85%) Telecoms
Job Titles
1 25 (21.37%) Developer
2 24 (20.51%) Platform Engineer
3 10 (8.55%) Network Engineer
4 9 (7.69%) Administrator
4 9 (7.69%) Java Developer
5 8 (6.84%) Support Engineer
6 7 (5.98%) Analyst
6 7 (5.98%) Project Manager
7 6 (5.13%) Data Engineer
7 6 (5.13%) Data Migration Manager
7 6 (5.13%) Data Migration Project Manager
7 6 (5.13%) Infrastructure Engineer
7 6 (5.13%) Migration Manager
7 6 (5.13%) Migration Project Manager
7 6 (5.13%) Network Infrastructure Engineer
8 5 (4.27%) Automation Tester
8 5 (4.27%) AWS Administrator
8 5 (4.27%) Data Manager
8 5 (4.27%) DV Cleared Network Engineer
8 5 (4.27%) SQL Developer
Libraries, Frameworks & Software Standards
1 11 (9.40%) Web Services
2 10 (8.55%) REST
3 9 (7.69%) Kafka
4 7 (5.98%) Spring
4 7 (5.98%) XML
5 6 (5.13%) Spring Boot
6 5 (4.27%) Elastic Stack
6 5 (4.27%) J2EE
6 5 (4.27%) JSON
7 4 (3.42%) Gherkin
8 3 (2.56%) Java SE
8 3 (2.56%) Node.js
8 3 (2.56%) RESTful
8 3 (2.56%) Samza
9 2 (1.71%) .NET
9 2 (1.71%) JMS
10 1 (0.85%) ActiveMQ
10 1 (0.85%) Hibernate
10 1 (0.85%) HTML
10 1 (0.85%) Middleware
Miscellaneous
1 23 (19.66%) Wiki
2 6 (5.13%) Mainframe
3 3 (2.56%) Management Information System
4 2 (1.71%) Freedom of Information
4 2 (1.71%) Freedom of Information Act
4 2 (1.71%) Self-Motivation
5 1 (0.85%) Greenfield Project
5 1 (0.85%) NHS
5 1 (0.85%) Public Cloud
5 1 (0.85%) Virtual Team
Operating Systems
1 45 (38.46%) Windows
2 38 (32.48%) Unix
3 37 (31.62%) Linux
4 17 (14.53%) CentOS
5 15 (12.82%) Windows 10
6 12 (10.26%) Windows Server
7 7 (5.98%) CoreOS
7 7 (5.98%) Ubuntu
8 5 (4.27%) Red Hat Enterprise Linux
9 2 (1.71%) Solaris
10 1 (0.85%) Windows 7
Processes & Methodologies
1 50 (42.74%) Agile Software Development
2 38 (32.48%) Test Automation
3 35 (29.91%) Scrum
4 32 (27.35%) Data Analysis
5 31 (26.50%) Continuous Integration
6 26 (22.22%) ETL
7 24 (20.51%) Build Automation
8 23 (19.66%) Data Extraction
8 23 (19.66%) DevOps
9 12 (10.26%) Storage Management
10 10 (8.55%) BDD
10 10 (8.55%) Migration
10 10 (8.55%) Performance Tuning
10 10 (8.55%) Problem-Solving
11 9 (7.69%) Configuration Management
11 9 (7.69%) Data Migration
12 7 (5.98%) Infrastructure Engineering
12 7 (5.98%) Project Management
13 6 (5.13%) Continuous Improvement
13 6 (5.13%) Data Mapping
Programming Languages
1 31 (26.50%) PowerShell
2 30 (25.64%) Python
3 28 (23.93%) Shell Script
4 26 (22.22%) Bash Shell
5 23 (19.66%) Korn
6 22 (18.80%) Java
7 10 (8.55%) PL/SQL
8 8 (6.84%) Go
8 8 (6.84%) Java 8
8 8 (6.84%) JavaScript
8 8 (6.84%) Ruby
9 6 (5.13%) Natural
10 4 (3.42%) VB
11 2 (1.71%) Data Analysis Expressions (DAX)
11 2 (1.71%) Groovy
11 2 (1.71%) T-SQL
11 2 (1.71%) VBScript
12 1 (0.85%) Scala
Qualifications
1 59 (50.43%) Security Cleared
2 42 (35.90%) SC Cleared
3 13 (11.11%) DV Cleared
4 6 (5.13%) Oracle Certification
5 1 (0.85%) CTC Cleared
5 1 (0.85%) ISEB
5 1 (0.85%) ISTQB
Quality Assurance & Compliance
1 6 (5.13%) Data Quality
2 4 (3.42%) QA
3 1 (0.85%) PMO
System Software
1 23 (19.66%) HDFS
2 19 (16.24%) Docker
3 12 (10.26%) VMware ESXi
4 6 (5.13%) Active Directory
5 4 (3.42%) Ceph
5 4 (3.42%) etcd
5 4 (3.42%) flannel
5 4 (3.42%) GlusterFS
5 4 (3.42%) Microsoft App-V
5 4 (3.42%) SkyDNS
6 3 (2.56%) Squid
7 2 (1.71%) Oracle RAC
8 1 (0.85%) Virtual Servers
8 1 (0.85%) VMware Infrastructure
Systems Management
1 31 (26.50%) Puppet
2 30 (25.64%) Ansible
3 24 (20.51%) Hadoop YARN
3 24 (20.51%) Opscode Chef
4 13 (11.11%) Kubernetes
5 12 (10.26%) vCenter Server
6 8 (6.84%) HAProxy
6 8 (6.84%) Prometheus
6 8 (6.84%) Sysdig
7 7 (5.98%) Graphite
7 7 (5.98%) rkt
8 6 (5.13%) Terraform
9 4 (3.42%) Host Intrusion Detection System
9 4 (3.42%) Network Intrusion Detection System
9 4 (3.42%) SCCM
9 4 (3.42%) ZABBIX
10 3 (2.56%) McAfee ePO
11 2 (1.71%) Ambari
11 2 (1.71%) Data Guard
11 2 (1.71%) Oracle RMAN
Vendors
1 37 (31.62%) Oracle
2 23 (19.66%) Cloudera
3 14 (11.97%) Microsoft
4 13 (11.11%) Cisco
4 13 (11.11%) VMware
5 12 (10.26%) NetApp
5 12 (10.26%) Splunk
6 6 (5.13%) Software AG
7 4 (3.42%) Atlassian
7 4 (3.42%) Ivanti
8 3 (2.56%) Alteryx
8 3 (2.56%) Dynatrace
8 3 (2.56%) McAfee
9 1 (0.85%) Avaya
9 1 (0.85%) Cadence
9 1 (0.85%) Citrix
9 1 (0.85%) Guidewire
9 1 (0.85%) MuleSoft
9 1 (0.85%) Sun