Period
to 5 December 2021

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 5 December 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)
Central London > City of London
6 months to
5 Dec 2021
Same period 2020 Same period 2019
Rank 147 102 203
Rank change year-on-year -45 +101 +5
Contract jobs citing RDBMS 40 20 19
As % of all contract jobs advertised in the City of London 1.00% 1.01% 0.33%
As % of the Database & Business Intelligence category 4.13% 4.12% 1.32%
Number of daily rates quoted 30 16 12
10th Percentile £499 £411 £421
25th Percentile £539 £491 £503
Median daily rate (50th Percentile) £625 £593 £544
Median % change year-on-year +5.49% +8.97% -5.43%
75th Percentile £797 £650 £588
90th Percentile £815 £700 "
Central London median daily rate £625 £625 £550
% change year-on-year - +13.64% -4.35%

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 968 486 1,442
As % of all contract IT jobs advertised in the City of London 24.15% 24.51% 25.08%
Number of daily rates quoted 750 369 1,143
10th Percentile £381 £350 £388
25th Percentile £481 £425 £450
Median daily rate (50th Percentile) £570 £525 £525
Median % change year-on-year +8.57% - -
75th Percentile £667 £625 £600
90th Percentile £738 £688 £675
Central London median daily rate £555 £525 £523
% change year-on-year +5.71% +0.48% -0.48%
Number of hourly rates quoted 4 4 3
10th Percentile £34.15 £20.60 £21.18
25th Percentile £35.50 £21.50 £21.21
Median hourly rate £47.75 £29.75 £22.33
Median % change year-on-year +60.50% +33.23% -25.05%
75th Percentile £65.13 £38.50 £39.50
90th Percentile £72.55 £38.95 £49.10
Central London median hourly rate £47.75 £29.75 £22.33
% change year-on-year +60.50% +33.23% -25.05%

RDBMS
Job Vacancy Trend in the City of London

Job postings citing RDBMS as a proportion 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

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

Daily rate trend for RDBMS in the City of London

RDBMS
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing RDBMS in the City of London over the 6 months to 5 December 2021.

Daily rate histogram for RDBMS in the City of London

RDBMS
Contractor Hourly Rate Trend in the City of London

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

Hourly rate trend for RDBMS in the City of London

For the 6 months to 5 December 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 City of London region with a requirement for RDBMS.

1 40 (100.00%) Relational Database
2 23 (57.50%) SQL
3 20 (50.00%) Finance
4 17 (42.50%) Oracle
5 16 (40.00%) SQL Server
6 15 (37.50%) Java
6 15 (37.50%) Agile Software Development
6 15 (37.50%) AWS
6 15 (37.50%) Social Skills
7 13 (32.50%) NoSQL
8 12 (30.00%) Kafka
9 11 (27.50%) Microservices
9 11 (27.50%) Python
10 10 (25.00%) Business Intelligence
10 10 (25.00%) Problem-Solving
11 9 (22.50%) Microsoft
11 9 (22.50%) Data Modelling
11 9 (22.50%) .NET
12 8 (20.00%) Banking
12 8 (20.00%) Big Data
12 8 (20.00%) Project Delivery
13 7 (17.50%) Legacy Systems
13 7 (17.50%) Analytical Skills
13 7 (17.50%) Data Engineering
14 6 (15.00%) Kubernetes
14 6 (15.00%) BDD
14 6 (15.00%) Amazon S3
14 6 (15.00%) Data Governance
14 6 (15.00%) TDD
14 6 (15.00%) Data Analysis

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 4 (10.00%) Apache Spark
2 3 (7.50%) IIS
2 3 (7.50%) SharePoint
3 2 (5.00%) Confluence
4 1 (2.50%) Apache
4 1 (2.50%) CMS
4 1 (2.50%) Jupyter
4 1 (2.50%) Tornado
Applications
1 4 (10.00%) Microsoft Excel
Cloud Services
1 15 (37.50%) AWS
2 6 (15.00%) Amazon S3
3 5 (12.50%) Amazon EMR
3 5 (12.50%) Azure
3 5 (12.50%) Power Platform
4 3 (7.50%) AWS Lambda
4 3 (7.50%) Microsoft 365
4 3 (7.50%) PowerApps
4 3 (7.50%) Serverless
5 2 (5.00%) Amazon CloudWatch
5 2 (5.00%) Amazon EC2
5 2 (5.00%) Amazon ECS
5 2 (5.00%) Amazon EKS
5 2 (5.00%) Amazon SQS
5 2 (5.00%) Cloud Computing
5 2 (5.00%) IaaS
5 2 (5.00%) Route 53
5 2 (5.00%) SaaS
6 1 (2.50%) Azure Synapse Analytics
6 1 (2.50%) GitHub Actions
Communications & Networking
1 2 (5.00%) HTTP
2 1 (2.50%) TCP/IP
Database & Business Intelligence
1 40 (100.00%) Relational Database
2 16 (40.00%) SQL Server
3 13 (32.50%) NoSQL
4 8 (20.00%) Big Data
5 6 (15.00%) Data Warehouse
6 5 (12.50%) Metadata
6 5 (12.50%) Oracle Database
6 5 (12.50%) Oracle Database 11g
6 5 (12.50%) Oracle Database 12c
6 5 (12.50%) PostgreSQL
6 5 (12.50%) Power BI
7 3 (7.50%) Amazon Athena
7 3 (7.50%) Amazon RDS
7 3 (7.50%) Amazon Redshift
7 3 (7.50%) Couchbase
7 3 (7.50%) Data Lake
7 3 (7.50%) Oracle Exadata
7 3 (7.50%) Redis
8 2 (5.00%) Hadoop
8 2 (5.00%) MongoDB
Development Applications
1 5 (12.50%) Git (software)
1 5 (12.50%) JIRA
2 4 (10.00%) Jenkins
3 3 (7.50%) Atlassian Bamboo
4 2 (5.00%) IntelliJ
4 2 (5.00%) Maven
5 1 (2.50%) kappa
5 1 (2.50%) Subversion
5 1 (2.50%) Visual Studio
General
1 20 (50.00%) Finance
2 15 (37.50%) Social Skills
3 8 (20.00%) Banking
4 7 (17.50%) Analytical Skills
5 4 (10.00%) Investment Banking
6 3 (7.50%) Documentation Skills
6 3 (7.50%) Influencing Skills
7 2 (5.00%) Financial Institution
7 2 (5.00%) Front Office
7 2 (5.00%) International Banking
7 2 (5.00%) Legal
8 1 (2.50%) Pharmaceutical
8 1 (2.50%) Prime Brokerage
Job Titles
1 13 (32.50%) Architect
2 12 (30.00%) Developer
3 8 (20.00%) Solutions Architect
4 7 (17.50%) Java Engineer
5 6 (15.00%) Java Developer
5 6 (15.00%) Python Developer
6 5 (12.50%) Analyst
6 5 (12.50%) Python Engineer
7 4 (10.00%) DBA
7 4 (10.00%) Oracle DBA
8 3 (7.50%) Data Architect
8 3 (7.50%) Senior Java Engineer
8 3 (7.50%) SQL Analyst
8 3 (7.50%) Systems Analyst
9 2 (5.00%) Data Engineer
9 2 (5.00%) Senior Architect
9 2 (5.00%) Senior Data Architect
9 2 (5.00%) SQL Support Analyst
9 2 (5.00%) Systems Support
9 2 (5.00%) Test Analyst
Libraries, Frameworks & Software Standards
1 12 (30.00%) Kafka
2 9 (22.50%) .NET
3 5 (12.50%) RESTful
3 5 (12.50%) Spring
4 4 (10.00%) Spring Boot
5 3 (7.50%) HTML
5 3 (7.50%) JDBC
5 3 (7.50%) Oracle GoldenGate
6 2 (5.00%) .NET Core
6 2 (5.00%) CSS
6 2 (5.00%) gRPC
6 2 (5.00%) Java EE
6 2 (5.00%) MEAN Stack
6 2 (5.00%) React
7 1 (2.50%) Apache Avro
7 1 (2.50%) ARM Templates
7 1 (2.50%) FastAPI
7 1 (2.50%) Pandas
7 1 (2.50%) pytest
7 1 (2.50%) scikit-learn
Miscellaneous
1 7 (17.50%) Legacy Systems
2 5 (12.50%) Management Information System
3 4 (10.00%) Enterprise Software
4 3 (7.50%) Fixed Income
5 2 (5.00%) Foreign Exchange (FX)
5 2 (5.00%) Hedge funds
6 1 (2.50%) Client/Server
6 1 (2.50%) Credit Risk
6 1 (2.50%) Data Structures
6 1 (2.50%) Equities
6 1 (2.50%) FMCG
6 1 (2.50%) N-Tier
6 1 (2.50%) Reference Data
6 1 (2.50%) Self-Motivation
6 1 (2.50%) Virtual Team
Operating Systems
1 6 (15.00%) Unix
2 4 (10.00%) Linux
3 3 (7.50%) Red Hat Enterprise Linux
3 3 (7.50%) Windows
3 3 (7.50%) Windows Server
Processes & Methodologies
1 15 (37.50%) Agile Software Development
2 11 (27.50%) Microservices
3 10 (25.00%) Business Intelligence
3 10 (25.00%) Problem-Solving
4 9 (22.50%) Data Modelling
5 8 (20.00%) Project Delivery
6 7 (17.50%) Data Engineering
7 6 (15.00%) Architectural Design
7 6 (15.00%) BDD
7 6 (15.00%) Data Analysis
7 6 (15.00%) Data Architecture
7 6 (15.00%) Data Governance
7 6 (15.00%) TDD
8 5 (12.50%) Critical Thinking
8 5 (12.50%) Metadata Management
8 5 (12.50%) Migration
8 5 (12.50%) Scrum
8 5 (12.50%) SDLC
8 5 (12.50%) Supply Chain Transformation
8 5 (12.50%) UML
Programming Languages
1 23 (57.50%) SQL
2 15 (37.50%) Java
3 11 (27.50%) Python
4 6 (15.00%) Shell Script
5 5 (12.50%) C
5 5 (12.50%) C#
6 4 (10.00%) PL/SQL
7 3 (7.50%) JavaScript
7 3 (7.50%) Kotlin
7 3 (7.50%) Scala
7 3 (7.50%) VB.NET
8 2 (5.00%) C++
8 2 (5.00%) Perl
9 1 (2.50%) PowerShell
9 1 (2.50%) VBA
Qualifications
1 3 (7.50%) OCP
1 3 (7.50%) Oracle Certification
2 2 (5.00%) BPSS Clearance
2 2 (5.00%) SC Cleared
2 2 (5.00%) Security Cleared
Quality Assurance & Compliance
1 3 (7.50%) Data Quality
2 2 (5.00%) GDPR
2 2 (5.00%) QA
System Software
1 5 (12.50%) Docker
2 4 (10.00%) Oracle RAC
Systems Management
1 6 (15.00%) Kubernetes
2 4 (10.00%) Data Guard
3 3 (7.50%) Ansible
3 3 (7.50%) Opscode Chef
3 3 (7.50%) Oracle RMAN
3 3 (7.50%) Puppet
4 1 (2.50%) Grafana
4 1 (2.50%) Prometheus
4 1 (2.50%) Terraform
Vendors
1 17 (42.50%) Oracle
2 9 (22.50%) Microsoft
3 4 (10.00%) Cloudera
3 4 (10.00%) Talend
4 3 (7.50%) Confluent
4 3 (7.50%) EMC
4 3 (7.50%) Red Hat
5 2 (5.00%) Bloomberg
5 2 (5.00%) ION Trading
5 2 (5.00%) MarketAxess
5 2 (5.00%) Tradeweb
6 1 (2.50%) Alteryx
6 1 (2.50%) Databricks
6 1 (2.50%) Dataiku
6 1 (2.50%) Splunk
6 1 (2.50%) TIBCO