Period
to 20 January 2018

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for RDBMS skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited RDBMS over the 6 months to 20 January 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.

Relational Database Management System (RDBMS)
Central London > City of London
6 months to
20 Jan 2018
Same period 2017 Same period 2016
Rank 130 189 153
Rank change year-on-year +59 -36 +34
Contract jobs citing RDBMS 121 42 84
As % of all contract IT jobs advertised in the City of London 1.72% 0.68% 1.18%
As % of the Database & Business Intelligence category 6.89% 2.43% 4.51%
Number of daily rates quoted 98 29 77
City of London median daily rate £575 £525 £525
Median daily rate % change year-on-year +9.52% - +5.00%
10th Percentile £473 £395 £429
90th Percentile £688 £633 £600
Central London median daily rate £575 £475 £525
% change year-on-year +21.05% -9.52% +5.00%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

RDBMS is in the Databases and Business Intelligence category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
City of London
Contract vacancies with a requirement for database or business intelligence skills 1,756 1,727 1,861
As % of all contract IT jobs advertised in the City of London 24.92% 27.77% 26.10%
Number of daily rates quoted 1,472 1,388 1,497
City of London median daily rate £525 £475 £475
Median daily rate % change year-on-year +10.53% - +11.76%
10th Percentile £363 £325 £313
90th Percentile £688 £663 £638
Central London median daily rate £513 £475 £475
% change year-on-year +7.89% - +11.76%
Number of hourly rates quoted 6 1 6
City of London median hourly rate £27.75 £45.00 £40.00
Median hourly rate % change year-on-year -38.33% +12.50% +19.72%
10th Percentile £23.38 £42.50 £27.75
90th Percentile £33.25 £47.50 £60.00
Central London median hourly rate £27.50 £45.00 £38.75
% change year-on-year -38.89% +16.13% +25.73%

RDBMS
Job Vacancy Trend in the City of London

Job postings citing RDBMS as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for RDBMS in the City of London

RDBMS
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing RDBMS in the City of London.

Contractor daily rate trend for RDBMS in the City of London

RDBMS
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing RDBMS in the City of London over the 6 months to 20 January 2018.

Contractor daily rate histogram for RDBMS in the City of London

RDBMS
Contractor Hourly Rate Trend in the City of London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing RDBMS in the City of London.

Contractor hourly rate trend for RDBMS in the City of London

For the 6 months to 20 January 2018, IT contractor jobs citing RDBMS 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 City of London region with a requirement for RDBMS.

1 121 (100.00%) Relational Database
2 93 (76.86%) Java
3 73 (60.33%) Finance
4 68 (56.20%) SQL
5 65 (53.72%) Banking
6 53 (43.80%) Agile Software Development
6 53 (43.80%) SDLC
7 48 (39.67%) Oracle
8 43 (35.54%) Python
8 43 (35.54%) Front Office
9 42 (34.71%) SQL Server
10 32 (26.45%) Equities
10 32 (26.45%) REST
11 26 (21.49%) Unit Testing
12 25 (20.66%) VBA
13 24 (19.83%) Derivative
13 24 (19.83%) Degree
14 23 (19.01%) Computer Science
14 23 (19.01%) Analytical Skills
15 22 (18.18%) Unix
16 21 (17.36%) Test Automation
17 20 (16.53%) Multithreading
17 20 (16.53%) Shell Script
17 20 (16.53%) Fixed Income
18 19 (15.70%) Telecoms
18 19 (15.70%) Spring
18 19 (15.70%) Mathematics
19 18 (14.88%) Investment Banking
19 18 (14.88%) Sybase
20 17 (14.05%) Risk Management

RDBMS
Co-occurring IT Skills in the City of London 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 13 (10.74%) Apache Spark
2 4 (3.31%) Apache
2 4 (3.31%) Oracle Coherence
3 3 (2.48%) Apache Pig
3 3 (2.48%) JBoss
4 2 (1.65%) Oracle SOA Suite
4 2 (1.65%) WebLogic
5 1 (0.83%) Cloud Foundry
5 1 (0.83%) GemFire
5 1 (0.83%) Tomcat
Applications
1 4 (3.31%) Microsoft Excel
2 1 (0.83%) Microsoft Office
2 1 (0.83%) Microsoft PowerPoint
2 1 (0.83%) MS Visio
Business Applications
1 4 (3.31%) Eagle PACE
1 4 (3.31%) Markit EDM
2 3 (2.48%) Temenos T24
3 2 (1.65%) Oracle Applications
3 2 (1.65%) Oracle EBS
Cloud Services
1 7 (5.79%) Microsoft Azure
2 4 (3.31%) Amazon AWS
3 2 (1.65%) Cloud Computing
4 1 (0.83%) GitHub
Communications & Networking
1 3 (2.48%) TCP/IP
2 2 (1.65%) Internet
2 2 (1.65%) snoop
3 1 (0.83%) LAN
3 1 (0.83%) SSH
3 1 (0.83%) SSL
3 1 (0.83%) VPN
3 1 (0.83%) WAN
Database & Business Intelligence
1 121 (100.00%) Relational Database
2 42 (34.71%) SQL Server
3 17 (14.05%) Big Data
4 16 (13.22%) Hadoop
5 15 (12.40%) Apache Hive
5 15 (12.40%) Data Warehouse
6 14 (11.57%) Oracle Database
7 12 (9.92%) PostgreSQL
8 4 (3.31%) Apache Cassandra
9 3 (2.48%) HBase
9 3 (2.48%) MongoDB
9 3 (2.48%) MySQL
9 3 (2.48%) NoSQL
9 3 (2.48%) Sqoop
10 2 (1.65%) DB2
10 2 (1.65%) Impala
10 2 (1.65%) SQL Server 2012
10 2 (1.65%) SQL Server Integration Services
11 1 (0.83%) Amazon QuickSight
11 1 (0.83%) Data Lake
Development Applications
1 9 (7.44%) Git (software)
2 8 (6.61%) Maven
2 8 (6.61%) TeamCity
3 6 (4.96%) JUnit
4 5 (4.13%) Gradle
5 4 (3.31%) Jenkins
6 3 (2.48%) Protractor
6 3 (2.48%) Subversion
7 2 (1.65%) ClearCase
7 2 (1.65%) LINQPad
7 2 (1.65%) ReSharper
8 1 (0.83%) Ant
8 1 (0.83%) Artifactory
8 1 (0.83%) MSBuild
8 1 (0.83%) NUnit
8 1 (0.83%) Oracle APEX
8 1 (0.83%) SpecFlow
8 1 (0.83%) Team Foundation Server
8 1 (0.83%) Visual Studio
General
1 73 (60.33%) Finance
2 65 (53.72%) Banking
3 43 (35.54%) Front Office
4 19 (15.70%) Telecoms
5 18 (14.88%) Investment Banking
6 15 (12.40%) Games
7 4 (3.31%) Retail Banking
8 3 (2.48%) Retail
9 2 (1.65%) Back Office
9 2 (1.65%) Manufacturing
9 2 (1.65%) Marketing
10 1 (0.83%) Financial Institution
10 1 (0.83%) Legal
10 1 (0.83%) Local Government
Job Titles
1 86 (71.07%) Developer
2 59 (48.76%) Java Developer
3 30 (24.79%) Senior Developer
4 27 (22.31%) Front Office Developer
5 23 (19.01%) Python Developer
6 22 (18.18%) Senior Python Developer
7 15 (12.40%) Games Developer
7 15 (12.40%) Java Games Developer
7 15 (12.40%) Telecoms Developer
7 15 (12.40%) Telecoms Java Developer
8 13 (10.74%) Senior Java Developer
9 9 (7.44%) C# Developer
9 9 (7.44%) Full Stack Developer
10 7 (5.79%) Analyst
11 6 (4.96%) C# WPF Developer
11 6 (4.96%) WPF Developer
12 5 (4.13%) Investment Banking Java Developer
12 5 (4.13%) Linux Developer
12 5 (4.13%) Senior Investment Banking Java Developer
12 5 (4.13%) Unix Developer
Libraries, Frameworks & Software Standards
1 32 (26.45%) REST
2 19 (15.70%) Spring
3 15 (12.40%) Hibernate
4 11 (9.09%) .NET
5 10 (8.26%) AngularJS
5 10 (8.26%) Kafka
5 10 (8.26%) PySpark
5 10 (8.26%) React
5 10 (8.26%) Twitter Bootstrap
5 10 (8.26%) XML
6 9 (7.44%) Angular 2
6 9 (7.44%) Node.js
6 9 (7.44%) Redux
6 9 (7.44%) WPF
7 7 (5.79%) Web Services
8 6 (4.96%) JSON
8 6 (4.96%) Middleware
9 5 (4.13%) JMS
9 5 (4.13%) WCF
9 5 (4.13%) XSD
Miscellaneous
1 32 (26.45%) Equities
2 24 (19.83%) Derivative
3 23 (19.01%) Analytical Skills
3 23 (19.01%) Computer Science
4 20 (16.53%) Fixed Income
5 5 (4.13%) Foreign Exchange (FX)
6 4 (3.31%) Replication
7 3 (2.48%) Clustering
7 3 (2.48%) Market Risk
8 2 (1.65%) Algorithms
8 2 (1.65%) Data Structures
8 2 (1.65%) Management Information System
9 1 (0.83%) Data Centre
9 1 (0.83%) Fintech
9 1 (0.83%) Greenfield Project
9 1 (0.83%) Hybrid Cloud
9 1 (0.83%) Mobile App
9 1 (0.83%) RIA
9 1 (0.83%) Tandem
Operating Systems
1 22 (18.18%) Unix
2 16 (13.22%) Linux
3 6 (4.96%) Windows
4 5 (4.13%) Red Hat Enterprise Linux
5 4 (3.31%) Windows Server
6 3 (2.48%) Windows Server 2012
7 2 (1.65%) Solaris
8 1 (0.83%) Android
8 1 (0.83%) Apple iOS
Processes & Methodologies
1 53 (43.80%) Agile Software Development
1 53 (43.80%) SDLC
2 26 (21.49%) Unit Testing
3 21 (17.36%) Test Automation
4 20 (16.53%) Multithreading
5 19 (15.70%) Mathematics
6 17 (14.05%) Risk Management
7 16 (13.22%) Asset Management
8 13 (10.74%) Data Engineering
8 13 (10.74%) DevOps
9 11 (9.09%) Business Intelligence
9 11 (9.09%) Open Source
10 9 (7.44%) TDD
11 8 (6.61%) MVC
12 7 (5.79%) Data Modelling
12 7 (5.79%) Scrum
13 6 (4.96%) Continuous Integration
13 6 (4.96%) ETL
13 6 (4.96%) Project Management
13 6 (4.96%) SOA
Programming Languages
1 93 (76.86%) Java
2 68 (56.20%) SQL
3 43 (35.54%) Python
4 25 (20.66%) VBA
5 20 (16.53%) Shell Script
6 14 (11.57%) C#
7 13 (10.74%) JavaScript
8 11 (9.09%) PL/SQL
9 10 (8.26%) Scala
10 6 (4.96%) Bash Shell
11 5 (4.13%) Groovy
11 5 (4.13%) PowerShell
11 5 (4.13%) XPath
12 3 (2.48%) C++
13 2 (1.65%) Perl
14 1 (0.83%) C
14 1 (0.83%) Kotlin
14 1 (0.83%) Ruby
14 1 (0.83%) VB
14 1 (0.83%) XAML
Qualifications
1 24 (19.83%) Degree
2 16 (13.22%) Numerate Degree
3 5 (4.13%) Master's Degree
4 3 (2.48%) Security Cleared
5 2 (1.65%) Computer Science Degree
5 2 (1.65%) SC Cleared
Quality Assurance & Compliance
1 2 (1.65%) QA
2 1 (0.83%) MiFID
System Software
1 15 (12.40%) Apache Flume
1 15 (12.40%) HDFS
2 5 (4.13%) Docker
Systems Management
1 12 (9.92%) Oozie
2 10 (8.26%) Ambari
3 5 (4.13%) Ansible
4 3 (2.48%) Hadoop YARN
5 2 (1.65%) Kubernetes
5 2 (1.65%) Opscode Chef
5 2 (1.65%) Oracle Enterprise Manager
5 2 (1.65%) Oracle Identity Management
5 2 (1.65%) Puppet
6 1 (0.83%) BladeLogic
Vendors
1 48 (39.67%) Oracle
2 18 (14.88%) Sybase
3 8 (6.61%) Microsoft
4 3 (2.48%) Cloudera
4 3 (2.48%) Hortonworks
4 3 (2.48%) IBM
4 3 (2.48%) MapR
4 3 (2.48%) Red Hat
4 3 (2.48%) Temenos
5 2 (1.65%) DevExpress
5 2 (1.65%) Google
5 2 (1.65%) Infragistics
5 2 (1.65%) NetApp
5 2 (1.65%) RedGate
5 2 (1.65%) SolarWinds
5 2 (1.65%) Syncfusion
5 2 (1.65%) Telerik
5 2 (1.65%) TIBCO
6 1 (0.83%) Charles River
6 1 (0.83%) Teradata