Period
to 14 May 2021

The following table provides summary statistics for contract job vacancies advertised in 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 14 May 2021 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)
England > London
6 months to
14 May 2021
Same period 2020 Same period 2019
Rank 327 281 308
Rank change year-on-year -46 +27 -12
Contract jobs citing RDBMS 137 152 321
As % of all contract jobs advertised in London 0.57% 0.73% 0.79%
As % of the Database & Business Intelligence category 2.46% 3.01% 3.16%
Number of daily rates quoted 90 104 202
10th Percentile £374 £400 £400
25th Percentile £431 £434 £464
Median daily rate (50th Percentile) £550 £525 £550
Median % change year-on-year +4.76% -4.55% -
75th Percentile £613 £610 £623
90th Percentile £725 £715 £675
England median daily rate £501 £500 £500
% change year-on-year +0.10% - -4.76%
Number of hourly rates quoted 1 0 0
Median hourly rate £55.00 - -
England median hourly rate £48.94 £27.43 £51.25
% change year-on-year +78.43% -46.49% +13.89%

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 London with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
London
Contract vacancies with a requirement for database or business intelligence skills 5,578 5,055 10,160
As % of all contract IT jobs advertised in London 23.37% 24.34% 25.11%
Number of daily rates quoted 3,952 3,687 7,476
10th Percentile £375 £363 £363
25th Percentile £450 £425 £425
Median daily rate (50th Percentile) £525 £525 £525
75th Percentile £638 £625 £606
90th Percentile £713 £700 £675
England median daily rate £500 £495 £488
% change year-on-year +1.01% +1.54% +2.63%
Number of hourly rates quoted 35 29 46
10th Percentile £10.40 £15.85 £18.53
25th Percentile £20.00 £19.99 £20.63
Median hourly rate £34.88 £25.00 £24.50
Median % change year-on-year +39.52% +2.04% -10.35%
75th Percentile £58.75 £37.50 £43.75
90th Percentile £66.50 £48.13 £54.25
England median hourly rate £24.50 £24.70 £30.00
% change year-on-year -0.81% -17.67% -

RDBMS
Job Vacancy Trend in London

Job postings citing RDBMS as a proportion of all IT jobs advertised in London.

Job vacancy trend for RDBMS in London

RDBMS
Contractor Daily Rate Trend in London

3-month moving average daily rate quoted in jobs citing RDBMS in London.

Daily rate trend for RDBMS in London

RDBMS
Daily Rate Histogram in London

Daily rate distribution for jobs citing RDBMS in London over the 6 months to 14 May 2021.

Daily rate histogram for RDBMS in London

RDBMS
Contractor Hourly Rate Trend in London

3-month moving average hourly rates quoted in jobs citing RDBMS in London.

Hourly rate trend for RDBMS in London

RDBMS
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing RDBMS within the London region over the 6 months to 14 May 2021. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London +5 6 £613 +19.51% 11
West London +22 1 £555 -5.93% 4
RDBMS
England

For the 6 months to 14 May 2021, 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 London region with a requirement for RDBMS.

1 137 (100.00%) Relational Database
2 83 (60.58%) SQL
3 65 (47.45%) Agile Software Development
4 57 (41.61%) Finance
5 43 (31.39%) Java
6 41 (29.93%) Oracle
7 36 (26.28%) Python
8 35 (25.55%) Data Modelling
9 34 (24.82%) Social Skills
10 32 (23.36%) SQL Server
11 30 (21.90%) JSON
12 29 (21.17%) Azure
13 27 (19.71%) AWS
13 27 (19.71%) JIRA
13 27 (19.71%) Migration
14 25 (18.25%) Banking
14 25 (18.25%) Kafka
15 24 (17.52%) NoSQL
15 24 (17.52%) DevOps
15 24 (17.52%) Microservices
16 22 (16.06%) Analytics
17 21 (15.33%) Data Science
18 20 (14.60%) Analytical Skills
18 20 (14.60%) Jenkins
18 20 (14.60%) Spring
18 20 (14.60%) Business Intelligence
19 19 (13.87%) XML
19 19 (13.87%) PostgreSQL
20 18 (13.14%) JavaScript
20 18 (13.14%) Continuous Integration

RDBMS
Co-occurring IT Skills in 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 14 (10.22%) Jupyter
2 13 (9.49%) Apache Spark
3 8 (5.84%) Tomcat
4 7 (5.11%) Oracle SOA Suite
5 6 (4.38%) Elasticsearch
5 6 (4.38%) WebLogic
6 4 (2.92%) JBoss
7 3 (2.19%) CMS
7 3 (2.19%) SAS
8 2 (1.46%) Apache
8 2 (1.46%) IIS
9 1 (0.73%) Apache Pig
9 1 (0.73%) Apache Solr
9 1 (0.73%) Appian
9 1 (0.73%) BizTalk Server
9 1 (0.73%) Confluence
9 1 (0.73%) Jetty
9 1 (0.73%) MS Exchange
9 1 (0.73%) Oracle Workflow
Applications
1 5 (3.65%) Microsoft Excel
2 2 (1.46%) Spreadsheet
Business Applications
1 10 (7.30%) Sparx Enterprise Architect
2 1 (0.73%) Maximo
2 1 (0.73%) Oracle 11i
2 1 (0.73%) Oracle EBS
2 1 (0.73%) Oracle EBS R12
Cloud Services
1 29 (21.17%) Azure
2 27 (19.71%) AWS
3 14 (10.22%) Power Platform
4 12 (8.76%) AWS CloudFormation
5 10 (7.30%) Azure Cosmos DB
6 9 (6.57%) Amazon Kinesis
7 8 (5.84%) Amazon ECS
7 8 (5.84%) Amazon ElastiCache
7 8 (5.84%) GCP
8 6 (4.38%) Amazon SQS
8 6 (4.38%) AWS Lambda
8 6 (4.38%) Serverless
9 5 (3.65%) Azure Logic Apps
9 5 (3.65%) GitHub
9 5 (3.65%) PowerApps
10 4 (2.92%) Amazon EC2
10 4 (2.92%) OpenShift
10 4 (2.92%) PaaS
10 4 (2.92%) SaaS
11 2 (1.46%) Amazon S3
Communications & Networking
1 4 (2.92%) SSL
1 4 (2.92%) TCP/IP
2 3 (2.19%) HTTP
2 3 (2.19%) InfiniBand
3 1 (0.73%) DMZ
3 1 (0.73%) DNS
3 1 (0.73%) Firewall
3 1 (0.73%) HTTPS
3 1 (0.73%) X.21
Database & Business Intelligence
1 137 (100.00%) Relational Database
2 32 (23.36%) SQL Server
3 24 (17.52%) NoSQL
4 19 (13.87%) PostgreSQL
5 18 (13.14%) Big Data
6 15 (10.95%) MongoDB
7 12 (8.76%) Oracle Database
8 11 (8.03%) Data Warehouse
9 10 (7.30%) Tableau
10 9 (6.57%) Hadoop
10 9 (6.57%) Power BI
11 7 (5.11%) Apache Hive
11 7 (5.11%) Data Lake
11 7 (5.11%) Redis
12 6 (4.38%) Impala
12 6 (4.38%) MySQL
12 6 (4.38%) Oracle Database 12c
13 5 (3.65%) HDInsight
13 5 (3.65%) Oracle Database 11g
13 5 (3.65%) Parquet
Development Applications
1 27 (19.71%) JIRA
2 20 (14.60%) Jenkins
3 18 (13.14%) Git (software)
4 9 (6.57%) Gradle
5 8 (5.84%) TeamCity
6 5 (3.65%) Maven
7 4 (2.92%) JUnit
8 3 (2.19%) Cucumber
9 2 (1.46%) Bitbucket Server
9 2 (1.46%) CA Release Automation
9 2 (1.46%) Cypress.io
9 2 (1.46%) ER Studio
9 2 (1.46%) ERwin
9 2 (1.46%) SonarQube
9 2 (1.46%) Sonatype Nexus
9 2 (1.46%) webpack
10 1 (0.73%) GitLab
10 1 (0.73%) IBM UrbanCode
10 1 (0.73%) Selenium
10 1 (0.73%) Visual Studio Team System
General
1 57 (41.61%) Finance
2 34 (24.82%) Social Skills
3 25 (18.25%) Banking
4 20 (14.60%) Analytical Skills
5 7 (5.11%) Pharmaceutical
5 7 (5.11%) Public Sector
6 5 (3.65%) Law
6 5 (3.65%) Retail Banking
7 4 (2.92%) Investment Banking
7 4 (2.92%) Marketing
8 2 (1.46%) Front Office
8 2 (1.46%) Publishing
8 2 (1.46%) Retail
9 1 (0.73%) Back Office
9 1 (0.73%) Influencing Skills
9 1 (0.73%) Presentation Skills
Job Titles
1 46 (33.58%) Developer
2 25 (18.25%) Architect
3 21 (15.33%) Data Engineer
4 18 (13.14%) Java Developer
5 17 (12.41%) Data Architect
6 14 (10.22%) Analyst
7 10 (7.30%) AWS Developer
7 10 (7.30%) Consultant
8 8 (5.84%) Data Modeller
9 7 (5.11%) Technical Analyst
10 6 (4.38%) .NET Developer
10 6 (4.38%) Data Analyst
10 6 (4.38%) Designer
10 6 (4.38%) Senior Developer
10 6 (4.38%) Technical Designer
11 5 (3.65%) Angular Developer
11 5 (3.65%) C# .NET Developer
11 5 (3.65%) C# Developer
11 5 (3.65%) Finance Modeller
11 5 (3.65%) Full Stack Developer
Libraries, Frameworks & Software Standards
1 30 (21.90%) JSON
2 25 (18.25%) Kafka
3 20 (14.60%) Spring
4 19 (13.87%) XML
5 17 (12.41%) HTML
6 16 (11.68%) NumPy
6 16 (11.68%) Pandas
6 16 (11.68%) REST
6 16 (11.68%) Spring Boot
7 13 (9.49%) RESTful
8 12 (8.76%) .NET
8 12 (8.76%) Web Services
9 11 (8.03%) AngularJS
9 11 (8.03%) GraphQL
9 11 (8.03%) HTML5
10 10 (7.30%) FIX Protocol
11 9 (6.57%) PySpark
12 8 (5.84%) Lambda Expressions
12 8 (5.84%) Redux
13 7 (5.11%) React
Miscellaneous
1 15 (10.95%) Reference Data
2 9 (6.57%) Clustering
3 8 (5.84%) Enterprise Software
3 8 (5.84%) User Experience
4 7 (5.11%) FMCG
5 5 (3.65%) Equities
6 4 (2.92%) Credit Risk
6 4 (2.92%) Fixed Income
6 4 (2.92%) Semantic Web
7 3 (2.19%) Algorithms
7 3 (2.19%) Data Structures
7 3 (2.19%) Replication
8 2 (1.46%) Foreign Exchange (FX)
8 2 (1.46%) Management Information System
9 1 (0.73%) Cloud Native
9 1 (0.73%) Data Centre
9 1 (0.73%) Derivative
9 1 (0.73%) Linux Command Line
9 1 (0.73%) Mobile App
9 1 (0.73%) Public Cloud
Operating Systems
1 11 (8.03%) Linux
2 7 (5.11%) Unix
3 5 (3.65%) Windows
4 3 (2.19%) Red Hat Enterprise Linux
5 1 (0.73%) Solaris
5 1 (0.73%) Windows Server
5 1 (0.73%) Windows Server 2008
Processes & Methodologies
1 65 (47.45%) Agile Software Development
2 35 (25.55%) Data Modelling
3 27 (19.71%) Migration
4 24 (17.52%) DevOps
4 24 (17.52%) Microservices
5 22 (16.06%) Analytics
6 21 (15.33%) Data Science
7 20 (14.60%) Business Intelligence
8 18 (13.14%) Continuous Integration
9 17 (12.41%) ETL
9 17 (12.41%) Logical Data Model
9 17 (12.41%) OO
10 16 (11.68%) Data Engineering
10 16 (11.68%) Data Migration
11 15 (10.95%) Data Pipeline
11 15 (10.95%) Problem-Solving
12 14 (10.22%) Performance Tuning
13 13 (9.49%) Data Architecture
13 13 (9.49%) Use Case
14 12 (8.76%) Data Integration
Programming Languages
1 83 (60.58%) SQL
2 43 (31.39%) Java
3 36 (26.28%) Python
4 18 (13.14%) JavaScript
5 11 (8.03%) C#
6 10 (7.30%) Scala
7 8 (5.84%) PL/SQL
8 6 (4.38%) VBA
9 5 (3.65%) Java 8
10 4 (2.92%) SHACL
10 4 (2.92%) SPARQL
11 3 (2.19%) ABAP
11 3 (2.19%) Go
11 3 (2.19%) Perl
11 3 (2.19%) R
11 3 (2.19%) TypeScript
12 2 (1.46%) ES6
12 2 (1.46%) Shell Script
13 1 (0.73%) Bash Shell
13 1 (0.73%) Kotlin
Qualifications
1 11 (8.03%) Security Cleared
2 7 (5.11%) SC Cleared
3 6 (4.38%) Degree
4 5 (3.65%) AWS Certification
5 3 (2.19%) Computer Science Degree
5 3 (2.19%) DV Cleared
5 3 (2.19%) OCP
5 3 (2.19%) Oracle Certification
6 1 (0.73%) Master's Degree
6 1 (0.73%) PhD
Quality Assurance & Compliance
1 9 (6.57%) QA
2 5 (3.65%) Data Quality
System Software
1 18 (13.14%) Docker
2 4 (2.92%) Active Directory
2 4 (2.92%) HDFS
3 2 (1.46%) Apache Flume
Systems Management
1 12 (8.76%) Kubernetes
2 4 (2.92%) Oracle RMAN
3 3 (2.19%) Data Guard
3 3 (2.19%) Opscode Chef
3 3 (2.19%) Oracle ZFS
4 2 (1.46%) Ansible
4 2 (1.46%) Kibana
4 2 (1.46%) PingFederate
5 1 (0.73%) Hadoop YARN
5 1 (0.73%) HAProxy
5 1 (0.73%) Istio
5 1 (0.73%) Perfmon
5 1 (0.73%) Single Sign-On
5 1 (0.73%) Terraform
Vendors
1 41 (29.93%) Oracle
2 16 (11.68%) Dataiku
3 15 (10.95%) Alteryx
4 11 (8.03%) Microsoft
5 10 (7.30%) Sparx
6 6 (4.38%) SAP
7 4 (2.92%) Cloudera
7 4 (2.92%) Confluent
7 4 (2.92%) IBM
7 4 (2.92%) Salesforce Marketing Cloud
7 4 (2.92%) Salesforce.com
8 3 (2.19%) Hyperion
8 3 (2.19%) Red Hat
8 3 (2.19%) Splunk
8 3 (2.19%) Sybase
9 2 (1.46%) Agilent
9 2 (1.46%) Bloomberg
9 2 (1.46%) eSpeed
9 2 (1.46%) Pega
9 2 (1.46%) Tradeweb