Period
to 11 April 2021

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Relational Database skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Relational Database over the 6 months to 11 April 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
Central London > City of London
6 months to
11 Apr 2021
Same period 2020 Same period 2019
Rank 89 106 119
Rank change year-on-year +17 +13 -23
Contract jobs citing Relational Database 49 68 144
As % of all contract jobs advertised in the City of London 2.03% 1.68% 2.12%
As % of the Database & Business Intelligence category 9.50% 7.08% 8.14%
Number of daily rates quoted 38 44 105
10th Percentile £449 £300 £375
25th Percentile £516 £409 £424
Median daily rate (50th Percentile) £625 £475 £550
Median % change year-on-year +31.58% -13.64% -4.35%
75th Percentile £675 £578 £638
90th Percentile £700 £600 £650
Central London median daily rate £625 £500 £550
% change year-on-year +25.00% -9.09% -

Relational Database 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 516 960 1,770
As % of all contract IT jobs advertised in the City of London 21.34% 23.77% 26.01%
Number of daily rates quoted 361 736 1,402
10th Percentile £363 £366 £406
25th Percentile £432 £425 £456
Median daily rate (50th Percentile) £550 £500 £538
Median % change year-on-year +10.00% -6.98% +2.38%
75th Percentile £638 £600 £600
90th Percentile £700 £675 £675
Central London median daily rate £538 £500 £525
% change year-on-year +7.50% -4.76% +2.44%
Number of hourly rates quoted 1 3 9
10th Percentile " " £19.85
25th Percentile £21.73 £24.50 £32.50
Median hourly rate £23.45 £25.00 £35.00
Median % change year-on-year -6.20% -28.57% +59.09%
75th Percentile £25.18 £32.38 £37.50
90th Percentile " £36.50 £56.50
Central London median hourly rate £42.98 £25.00 £35.00
% change year-on-year +71.90% -28.57% +55.56%

Relational Database
Job Vacancy Trend in the City of London

Job postings citing Relational Database as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for Relational Database in the City of London

Relational Database
Contractor Daily Rate Trend in the City of London

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

Daily rate trend for Relational Database in the City of London

Relational Database
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Relational Database in the City of London over the 6 months to 11 April 2021.

Daily rate histogram for Relational Database in the City of London

Relational Database
Contractor Hourly Rate Trend in the City of London

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

Hourly rate trend for Relational Database in the City of London

For the 6 months to 11 April 2021, IT contractor jobs citing Relational Database 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 Relational Database.

1 27 (55.10%) Java
2 24 (48.98%) Agile Software Development
3 23 (46.94%) SQL
4 19 (38.78%) JavaScript
4 19 (38.78%) Banking
5 18 (36.73%) HTML
6 17 (34.69%) Oracle
6 17 (34.69%) Apache
6 17 (34.69%) Spring
6 17 (34.69%) REST
6 17 (34.69%) Jenkins
6 17 (34.69%) Performance Tuning
6 17 (34.69%) Microservices
7 16 (32.65%) Enterprise Software
7 16 (32.65%) HTML5
7 16 (32.65%) Continuous Integration
7 16 (32.65%) Web Development
7 16 (32.65%) OO
7 16 (32.65%) Data Warehouse
8 15 (30.61%) Clustering
8 15 (30.61%) Scalability Testing
8 15 (30.61%) AWS
8 15 (30.61%) High Availability
9 14 (28.57%) Finance
9 14 (28.57%) RDBMS
10 12 (24.49%) JMS
10 12 (24.49%) Scrum
10 12 (24.49%) AngularJS
11 11 (22.45%) Apache Camel
11 11 (22.45%) Hibernate

Relational Database
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 17 (34.69%) Apache
2 11 (22.45%) Red Hat Fuse
3 7 (14.29%) Apache Spark
4 1 (2.04%) Camunda
4 1 (2.04%) CMS
4 1 (2.04%) Confluence
4 1 (2.04%) JBoss
4 1 (2.04%) Mule
4 1 (2.04%) Oracle Coherence
4 1 (2.04%) Oracle SOA Suite
4 1 (2.04%) SAS
4 1 (2.04%) SugarCRM
Applications
1 3 (6.12%) Microsoft Excel
Business Applications
1 1 (2.04%) Maximo
Cloud Services
1 15 (30.61%) AWS
2 7 (14.29%) Amazon EC2
3 6 (12.24%) Amazon ECS
3 6 (12.24%) AWS CloudFormation
4 5 (10.20%) Amazon ElastiCache
4 5 (10.20%) Amazon Kinesis
5 4 (8.16%) PaaS
5 4 (8.16%) SaaS
6 3 (6.12%) GCP
7 2 (4.08%) Azure
7 2 (4.08%) Power Platform
8 1 (2.04%) Amazon ELB
8 1 (2.04%) Amazon Glacier
8 1 (2.04%) Amazon S3
8 1 (2.04%) CloudFront
8 1 (2.04%) OpenShift
8 1 (2.04%) Route 53
8 1 (2.04%) Serverless
Communications & Networking
1 1 (2.04%) HTTP
1 1 (2.04%) VPN
Database & Business Intelligence
1 16 (32.65%) Data Warehouse
2 14 (28.57%) RDBMS
3 10 (20.41%) Big Data
3 10 (20.41%) NoSQL
3 10 (20.41%) PostgreSQL
3 10 (20.41%) SQL Server
4 9 (18.37%) Amazon Redshift
5 8 (16.33%) Amazon RDS
5 8 (16.33%) Hadoop
6 7 (14.29%) Data Lake
7 5 (10.20%) MySQL
8 4 (8.16%) Tableau
9 3 (6.12%) MongoDB
9 3 (6.12%) Spark SQL
10 2 (4.08%) BigQuery
10 2 (4.08%) Bigtable
10 2 (4.08%) BusinessObjects
10 2 (4.08%) Power BI
10 2 (4.08%) Yellowfin
11 1 (2.04%) BusinessObjects Business Intelligence
Development Applications
1 17 (34.69%) Jenkins
2 5 (10.20%) JIRA
3 3 (6.12%) Git (software)
4 2 (4.08%) Ant
4 2 (4.08%) Atlassian Bamboo
4 2 (4.08%) Maven
4 2 (4.08%) Subversion
5 1 (2.04%) CircleCI
5 1 (2.04%) Cucumber
5 1 (2.04%) Eclipse
5 1 (2.04%) FishEye
5 1 (2.04%) Gradle
5 1 (2.04%) Hudson
5 1 (2.04%) jMock
5 1 (2.04%) JUnit
5 1 (2.04%) TeamCity
General
1 19 (38.78%) Banking
2 14 (28.57%) Finance
3 2 (4.08%) Investment Banking
3 2 (4.08%) Marketing
4 1 (2.04%) Billing
4 1 (2.04%) Electronics
4 1 (2.04%) Front Office
4 1 (2.04%) Italian Language
4 1 (2.04%) Manufacturing
4 1 (2.04%) Retail Banking
Job Titles
1 19 (38.78%) Developer
2 14 (28.57%) Java Developer
3 9 (18.37%) Architect
3 9 (18.37%) Data Engineer
4 8 (16.33%) AWS Engineer
4 8 (16.33%) Java Architect
4 8 (16.33%) Java Solutions Architect
4 8 (16.33%) Solutions Architect
5 6 (12.24%) Analyst
6 5 (10.20%) Senior Developer
7 4 (8.16%) Big Data Engineer
7 4 (8.16%) Senior Java Developer
8 3 (6.12%) Applications Developer
8 3 (6.12%) AWS Developer
8 3 (6.12%) Java Applications Developer
8 3 (6.12%) SQL Developer
9 2 (4.08%) Consultant
9 2 (4.08%) Senior Architect
9 2 (4.08%) Senior Java Architect
9 2 (4.08%) Talend Developer
Libraries, Frameworks & Software Standards
1 18 (36.73%) HTML
2 17 (34.69%) REST
2 17 (34.69%) Spring
3 16 (32.65%) HTML5
4 12 (24.49%) AngularJS
4 12 (24.49%) JMS
5 11 (22.45%) Apache Camel
5 11 (22.45%) Hibernate
5 11 (22.45%) JDBC
6 10 (20.41%) Ajax
6 10 (20.41%) GWT
6 10 (20.41%) jQuery
6 10 (20.41%) JSF
6 10 (20.41%) OSGi
7 9 (18.37%) Middleware
8 6 (12.24%) FIX Protocol
9 5 (10.20%) Kafka
9 5 (10.20%) Lambda Expressions
9 5 (10.20%) Redux
9 5 (10.20%) Spring Boot
Miscellaneous
1 16 (32.65%) Enterprise Software
2 15 (30.61%) Clustering
3 10 (20.41%) Analytical Skills
4 2 (4.08%) Fixed Income
5 1 (2.04%) Data Structures
5 1 (2.04%) Foreign Exchange (FX)
5 1 (2.04%) LIMS
5 1 (2.04%) Market Risk
5 1 (2.04%) N-Tier
5 1 (2.04%) Reinsurance
5 1 (2.04%) User Experience
Operating Systems
1 10 (20.41%) Linux
2 1 (2.04%) Unix
Processes & Methodologies
1 24 (48.98%) Agile Software Development
2 17 (34.69%) Microservices
2 17 (34.69%) Performance Tuning
3 16 (32.65%) Continuous Integration
3 16 (32.65%) OO
3 16 (32.65%) Web Development
4 15 (30.61%) High Availability
4 15 (30.61%) Scalability Testing
5 12 (24.49%) Scrum
6 11 (22.45%) Data Modelling
7 10 (20.41%) Open Source
8 8 (16.33%) Capacity Planning
8 8 (16.33%) Continuous Improvement
8 8 (16.33%) Extreme Programming
8 8 (16.33%) Multithreaded Programming
8 8 (16.33%) Multithreading
8 8 (16.33%) Root Cause Analysis
8 8 (16.33%) RUP
9 7 (14.29%) Data Transformation
10 6 (12.24%) Analytics
Programming Languages
1 27 (55.10%) Java
2 23 (46.94%) SQL
3 19 (38.78%) JavaScript
4 11 (22.45%) Java 8
5 8 (16.33%) Python
6 2 (4.08%) C#
6 2 (4.08%) VBA
7 1 (2.04%) ABAP
7 1 (2.04%) Bash Shell
7 1 (2.04%) C++
7 1 (2.04%) Go
7 1 (2.04%) Groovy
7 1 (2.04%) PHP
7 1 (2.04%) PL/SQL
7 1 (2.04%) T-SQL
Qualifications
1 3 (6.12%) Degree
2 2 (4.08%) SC Cleared
2 2 (4.08%) Security Cleared
3 1 (2.04%) AWS Certification
3 1 (2.04%) MBA
Quality Assurance & Compliance
1 6 (12.24%) QA
2 2 (4.08%) MiFID
3 1 (2.04%) Data Quality
System Software
1 3 (6.12%) Docker
Systems Management
1 3 (6.12%) Kubernetes
2 2 (4.08%) Terraform
3 1 (2.04%) Ansible
3 1 (2.04%) Opscode Chef
3 1 (2.04%) Puppet
3 1 (2.04%) Salt
Vendors
1 17 (34.69%) Oracle
2 7 (14.29%) Talend
3 2 (4.08%) Microsoft
3 2 (4.08%) Sybase
4 1 (2.04%) Atlassian
4 1 (2.04%) Charles River
4 1 (2.04%) Cloudera
4 1 (2.04%) Google
4 1 (2.04%) Informatica
4 1 (2.04%) Infragistics
4 1 (2.04%) Murex
4 1 (2.04%) Pega
4 1 (2.04%) Salesforce Marketing Cloud
4 1 (2.04%) Salesforce.com
4 1 (2.04%) SAP
4 1 (2.04%) Splunk