Period
to 18 July 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 18 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.

Relational Database Management System (RDBMS)
Central London > City of London
6 months to
18 Jul 2018
Same period 2017 Same period 2016
Rank 206 170 169
Rank change year-on-year -36 -1 +15
Contract jobs citing RDBMS 50 63 70
As % of all contract IT jobs advertised in the City of London 0.71% 0.98% 1.02%
As % of the Database & Business Intelligence category 2.79% 3.79% 4.03%
Number of daily rates quoted 42 45 56
City of London median daily rate £575 £525 £525
Median daily rate % change year-on-year +9.52% - +5.00%
10th Percentile £463 £400 £397
90th Percentile £713 £638 £669
Central London median daily rate £550 £525 £525
% change year-on-year +4.76% - +5.00%
Number of hourly rates quoted 0 1 0
City of London median hourly rate - £24.49 -
Central London median hourly rate - £24.49 -

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 1,791 1,662 1,735
As % of all contract IT jobs advertised in the City of London 25.29% 25.80% 25.37%
Number of daily rates quoted 1,441 1,302 1,384
City of London median daily rate £525 £513 £475
Median daily rate % change year-on-year +2.44% +7.89% +5.56%
10th Percentile £363 £344 £313
90th Percentile £688 £675 £638
Central London median daily rate £525 £500 £469
% change year-on-year +5.00% +6.61% +4.22%
Number of hourly rates quoted 12 6 8
City of London median hourly rate £22.00 £21.92 £19.00
Median hourly rate % change year-on-year +0.38% +15.36% -30.91%
10th Percentile £17.57 £20.75 £15.83
90th Percentile £33.00 £27.74 £26.72
Central London median hourly rate £22.50 £21.92 £19.00
% change year-on-year +2.66% +15.36% -22.81%

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 18 July 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 18 July 2018, IT contractor jobs citing RDBMS 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 City of London region with a requirement for RDBMS.

1 50 (100.00%) Relational Database
2 31 (62.00%) Java
3 24 (48.00%) Banking
4 23 (46.00%) SQL
5 18 (36.00%) Spring
5 18 (36.00%) SQL Server
5 18 (36.00%) Python
5 18 (36.00%) REST
6 17 (34.00%) Unix
6 17 (34.00%) JavaScript
7 16 (32.00%) Investment Banking
7 16 (32.00%) Hibernate
8 15 (30.00%) Finance
9 14 (28.00%) AngularJS
10 13 (26.00%) React
10 13 (26.00%) Agile Software Development
10 13 (26.00%) Oracle
11 12 (24.00%) Twitter Bootstrap
11 12 (24.00%) Node.js
11 12 (24.00%) Angular 2
11 12 (24.00%) Redux
12 11 (22.00%) NoSQL
12 11 (22.00%) Hadoop
13 10 (20.00%) Big Data
13 10 (20.00%) Apache Spark
14 8 (16.00%) Data Warehouse
14 8 (16.00%) ETL
14 8 (16.00%) Microsoft
14 8 (16.00%) Derivative
14 8 (16.00%) SDLC

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 10 (20.00%) Apache Spark
2 5 (10.00%) Apache
3 3 (6.00%) Apache Pig
3 3 (6.00%) Tomcat
4 2 (4.00%) Jetty
5 1 (2.00%) Elasticsearch
5 1 (2.00%) JBoss
5 1 (2.00%) nginx
5 1 (2.00%) Oracle SOA Suite
5 1 (2.00%) Oracle Workflow
5 1 (2.00%) SAS
5 1 (2.00%) WebSphere
Applications
1 4 (8.00%) Microsoft Excel
Cloud Services
1 5 (10.00%) Microsoft Azure
2 4 (8.00%) Amazon AWS
3 1 (2.00%) Amazon EMR
3 1 (2.00%) Amazon S3
3 1 (2.00%) Cloud Computing
Communications & Networking
1 1 (2.00%) DMZ
1 1 (2.00%) Firewall
1 1 (2.00%) HTTP
1 1 (2.00%) SAN
1 1 (2.00%) TCP/IP
Database & Business Intelligence
1 50 (100.00%) Relational Database
2 18 (36.00%) SQL Server
3 11 (22.00%) Hadoop
3 11 (22.00%) NoSQL
4 10 (20.00%) Big Data
5 8 (16.00%) Data Warehouse
6 7 (14.00%) MongoDB
7 5 (10.00%) Apache Cassandra
7 5 (10.00%) Apache Hive
8 4 (8.00%) PostgreSQL
9 3 (6.00%) MySQL
9 3 (6.00%) Sqoop
10 2 (4.00%) Blockchain
10 2 (4.00%) Oracle Database
10 2 (4.00%) Power BI
10 2 (4.00%) SQL Server 2016
10 2 (4.00%) SQL Server Integration Services
10 2 (4.00%) VLDB
11 1 (2.00%) Biml
11 1 (2.00%) SAS EBI
Development Applications
1 7 (14.00%) Git (software)
2 5 (10.00%) Maven
2 5 (10.00%) TeamCity
3 4 (8.00%) JUnit
4 3 (6.00%) Jenkins
5 2 (4.00%) Gradle
5 2 (4.00%) Visual Studio Team System
6 1 (2.00%) jMock
6 1 (2.00%) Mockito
6 1 (2.00%) RStudio
6 1 (2.00%) Subversion
General
1 24 (48.00%) Banking
2 16 (32.00%) Investment Banking
3 15 (30.00%) Finance
4 5 (10.00%) Front Office
5 4 (8.00%) Telecoms
6 3 (6.00%) Retail
7 2 (4.00%) Marketing
7 2 (4.00%) Pharmaceutical
8 1 (2.00%) Electronics
8 1 (2.00%) Financial Institution
8 1 (2.00%) Manufacturing
Job Titles
1 29 (58.00%) Developer
2 22 (44.00%) Java Developer
3 12 (24.00%) Full Stack Developer
4 10 (20.00%) Senior Developer
5 7 (14.00%) Data Engineer
6 6 (12.00%) Senior Java Developer
7 4 (8.00%) .NET Developer
7 4 (8.00%) Architect
7 4 (8.00%) C# Developer
7 4 (8.00%) DBA
8 3 (6.00%) Algorithmic Trading Developer
8 3 (6.00%) C# .NET Developer
8 3 (6.00%) Lead .NET Developer
8 3 (6.00%) Lead C# Developer
8 3 (6.00%) Lead Developer
8 3 (6.00%) Python Developer
8 3 (6.00%) Senior .NET Developer
8 3 (6.00%) Senior Algorithmic Trading Developer
8 3 (6.00%) Senior C# Developer
8 3 (6.00%) Senior Python Developer
Libraries, Frameworks & Software Standards
1 18 (36.00%) REST
1 18 (36.00%) Spring
2 16 (32.00%) Hibernate
3 14 (28.00%) AngularJS
4 13 (26.00%) React
5 12 (24.00%) Angular 2
5 12 (24.00%) Node.js
5 12 (24.00%) Redux
5 12 (24.00%) Twitter Bootstrap
6 7 (14.00%) .NET
6 7 (14.00%) Kafka
7 6 (12.00%) XML
8 4 (8.00%) HTML
8 4 (8.00%) SOAP
8 4 (8.00%) XSD
9 3 (6.00%) JMS
9 3 (6.00%) MLlib
9 3 (6.00%) scikit-learn
9 3 (6.00%) TensorFlow
9 3 (6.00%) Web Services
Miscellaneous
1 8 (16.00%) Derivative
2 2 (4.00%) Algorithms
2 2 (4.00%) Analytical Skills
2 2 (4.00%) Data Centre
2 2 (4.00%) Fintech
2 2 (4.00%) Life Science
2 2 (4.00%) Management Information System
3 1 (2.00%) Clustering
3 1 (2.00%) Computer Science
3 1 (2.00%) Data Structures
3 1 (2.00%) Equities
3 1 (2.00%) Fixed Income
3 1 (2.00%) Linux Command Line
3 1 (2.00%) Market Risk
3 1 (2.00%) Mobile App
3 1 (2.00%) NHS
3 1 (2.00%) Public Cloud
3 1 (2.00%) Replication
3 1 (2.00%) Self-Motivation
Operating Systems
1 17 (34.00%) Unix
2 5 (10.00%) Linux
3 1 (2.00%) Red Hat Enterprise Linux
3 1 (2.00%) Solaris
3 1 (2.00%) Windows
Processes & Methodologies
1 13 (26.00%) Agile Software Development
2 8 (16.00%) ETL
2 8 (16.00%) SDLC
3 6 (12.00%) Analytics
3 6 (12.00%) Migration
3 6 (12.00%) TDD
4 5 (10.00%) Machine Learning
4 5 (10.00%) MapReduce
5 4 (8.00%) Data Engineering
5 4 (8.00%) Data Modelling
5 4 (8.00%) Deep Learning
5 4 (8.00%) E-Commerce
5 4 (8.00%) MVC
5 4 (8.00%) Problem-Solving
5 4 (8.00%) Scrum
5 4 (8.00%) Software Delivery
6 3 (6.00%) Algorithmic Trading
6 3 (6.00%) Data Analysis
6 3 (6.00%) Operations Research
6 3 (6.00%) Predictive Analytics
Programming Languages
1 31 (62.00%) Java
2 23 (46.00%) SQL
3 18 (36.00%) Python
4 17 (34.00%) JavaScript
5 7 (14.00%) C#
5 7 (14.00%) Scala
6 6 (12.00%) Perl
6 6 (12.00%) T-SQL
7 4 (8.00%) Bash Shell
7 4 (8.00%) PL/SQL
7 4 (8.00%) VBA
8 3 (6.00%) Java 8
8 3 (6.00%) Korn
8 3 (6.00%) R
8 3 (6.00%) Shell Script
9 2 (4.00%) Groovy
9 2 (4.00%) Julia
9 2 (4.00%) MATLAB
9 2 (4.00%) XPath
10 1 (2.00%) Ruby
Qualifications
1 3 (6.00%) Degree
2 2 (4.00%) Master's Degree
3 1 (2.00%) Computer Science Degree
3 1 (2.00%) MCSA
3 1 (2.00%) MCSE
3 1 (2.00%) Microsoft Certification
3 1 (2.00%) OCP
3 1 (2.00%) Oracle Certification
Quality Assurance & Compliance
1 2 (4.00%) Data Quality
2 1 (2.00%) HL7
System Software
1 3 (6.00%) Apache Flume
1 3 (6.00%) Docker
1 3 (6.00%) HDFS
1 3 (6.00%) Oracle RAC
Systems Management
1 3 (6.00%) Data Guard
1 3 (6.00%) Hadoop YARN
1 3 (6.00%) Oracle RMAN
Vendors
1 13 (26.00%) Oracle
2 8 (16.00%) Microsoft
3 4 (8.00%) Cloudera
3 4 (8.00%) Informatica
4 3 (6.00%) Hortonworks
4 3 (6.00%) MapR
4 3 (6.00%) TIBCO
5 2 (4.00%) Ab Initio
5 2 (4.00%) Sun
5 2 (4.00%) Sybase
6 1 (2.00%) Capita
6 1 (2.00%) Google
6 1 (2.00%) IBM
6 1 (2.00%) Pega
6 1 (2.00%) SAP
6 1 (2.00%) Veritas