Period
to 22 March 2019

The table below looks at the prevalence of the term Data Structures in permanent job vacancies advertised in the City of London. Included is a benchmarking guide to the salaries offered in vacancies that have cited Data Structures over the 6 months to 22 March 2019 with a comparison to the same period over the previous 2 years.

Data Structures
Central London > City of London
6 months to
22 Mar 2019
Same period 2018 Same period 2017
Rank 169 193 249
Rank change year-on-year +24 +56 -20
Permanent jobs citing Data Structures 184 140 95
As % of all permanent IT jobs advertised in the City of London 1.76% 1.32% 0.93%
As % of the Miscellaneous category 3.87% 2.84% 1.98%
Number of salaries quoted 178 137 75
City of London median annual salary £67,500 £70,000 £60,000
Median salary % change year-on-year -3.57% +16.67% -7.69%
10th Percentile £42,500 £42,500 £36,650
90th Percentile £92,500 £126,250 £90,750
Central London median annual salary £67,500 £70,000 £65,000
% change year-on-year -3.57% +7.69% -

Data Structures is in the Generic IT Skills category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the City of London with a requirement for generic IT skills.

All Generic IT Skills
City of London
Permanent vacancies with a requirement for generic IT skills 4,758 4,935 4,809
As % of all permanent IT jobs advertised in the City of London 45.58% 46.36% 46.99%
Number of salaries quoted 4,221 4,367 4,402
City of London median annual salary £67,500 £62,500 £60,000
Median salary % change year-on-year +8.00% +4.17% +4.35%
10th Percentile £40,000 £37,500 £33,250
90th Percentile £97,500 £97,500 £95,000
Central London median annual salary £65,000 £60,000 £57,500
% change year-on-year +8.33% +4.35% -

Data Structures
Job Vacancy Trend in the City of London

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

Job vacancy trend for Data Structures in the City of London

Data Structures
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Data Structures in the City of London.

Salary trend for Data Structures in the City of London

Data Structures
Salary Histogram in the City of London

The salary distribution of IT jobs citing Data Structures in the City of London over the 6 months to 22 March 2019.

Salary histogram for Data Structures in the City of London

For the 6 months to 22 March 2019, IT jobs citing Data Structures also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the City of London region with a requirement for Data Structures.

1 92 (50.00%) Algorithms
2 91 (49.46%) Finance
3 81 (44.02%) SQL
4 75 (40.76%) Python
5 44 (23.91%) Agile Software Development
6 40 (21.74%) Java
7 39 (21.20%) SQL Server
8 38 (20.65%) C++
9 37 (20.11%) JavaScript
10 36 (19.57%) ETL
10 36 (19.57%) Business Intelligence
11 35 (19.02%) Oracle
11 35 (19.02%) Machine Learning
11 35 (19.02%) Analytics
12 33 (17.93%) Data Quality
12 33 (17.93%) Analytical Skills
13 30 (16.30%) Software Engineering
13 30 (16.30%) T-SQL
13 30 (16.30%) Microsoft Excel
13 30 (16.30%) Data Management
14 29 (15.76%) Data Warehouse
14 29 (15.76%) NoSQL
14 29 (15.76%) Problem-Solving
15 28 (15.22%) Visualisation
15 28 (15.22%) Data Modelling
15 28 (15.22%) Microsoft
15 28 (15.22%) C#
16 27 (14.67%) PostgreSQL
17 25 (13.59%) VBA
17 25 (13.59%) Degree

Data Structures
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 19 (10.33%) Apache Spark
2 10 (5.43%) Elasticsearch
3 4 (2.17%) MS Exchange
4 3 (1.63%) Apache
5 2 (1.09%) IIS
5 2 (1.09%) SharePoint
5 2 (1.09%) Umbraco
6 1 (0.54%) CMS
6 1 (0.54%) IPython
6 1 (0.54%) Sitecore CMS
Applications
1 30 (16.30%) Microsoft Excel
2 5 (2.72%) MS Visio
Business Applications
1 3 (1.63%) SAP BPC
1 3 (1.63%) SAP S/4HANA
2 1 (0.54%) Dynamics CRM
2 1 (0.54%) Dynamics NAV
2 1 (0.54%) Eagle PACE
2 1 (0.54%) Markit EDM
Cloud Services
1 24 (13.04%) Microsoft Azure
2 13 (7.07%) Amazon AWS
3 3 (1.63%) Amazon EMR
3 3 (1.63%) Amazon S3
3 3 (1.63%) Azure Data Factory
3 3 (1.63%) Cloud Computing
4 2 (1.09%) Dynamics 365
4 2 (1.09%) GitHub
4 2 (1.09%) Google Cloud Platform
4 2 (1.09%) npm
4 2 (1.09%) Office 365
4 2 (1.09%) SaaS
5 1 (0.54%) AWS CloudFormation
5 1 (0.54%) AWS CodePipeline
5 1 (0.54%) BrowserStack
5 1 (0.54%) Datadog
5 1 (0.54%) Google Analytics
5 1 (0.54%) Sauce Labs
Communications & Networking
1 7 (3.80%) Internet
2 1 (0.54%) HTTP
2 1 (0.54%) HTTPS
Database & Business Intelligence
1 39 (21.20%) SQL Server
2 29 (15.76%) Data Warehouse
2 29 (15.76%) NoSQL
3 27 (14.67%) PostgreSQL
4 24 (13.04%) Power BI
5 22 (11.96%) Big Data
6 20 (10.87%) Hadoop
7 19 (10.33%) Relational Database
8 17 (9.24%) MongoDB
8 17 (9.24%) SQL Server Analysis Services
9 16 (8.70%) SQL Server Integration Services
9 16 (8.70%) SQL Server Reporting Services
10 13 (7.07%) Biml
10 13 (7.07%) RDBMS
10 13 (7.07%) SQL Server 2016
11 8 (4.35%) BusinessObjects
12 6 (3.26%) Yellowfin
13 5 (2.72%) Apache Hive
13 5 (2.72%) Data Lake
14 4 (2.17%) HBase
Development Applications
1 13 (7.07%) Git (software)
1 13 (7.07%) Subversion
2 7 (3.80%) JIRA
2 7 (3.80%) PhantomJS
2 7 (3.80%) UI Automator
3 3 (1.63%) Grunt
3 3 (1.63%) gulp
4 2 (1.09%) Babel
4 2 (1.09%) Bower
4 2 (1.09%) Mercurial
4 2 (1.09%) webpack
5 1 (0.54%) Bitbucket
5 1 (0.54%) Cucumber
5 1 (0.54%) Gerrit
5 1 (0.54%) Hudson
5 1 (0.54%) JBehave
5 1 (0.54%) Jenkins
5 1 (0.54%) RStudio
5 1 (0.54%) Selenium
5 1 (0.54%) WebDriver
General
1 91 (49.46%) Finance
2 13 (7.07%) Banking
2 13 (7.07%) Front Office
3 11 (5.98%) Financial Institution
4 9 (4.89%) Retail
5 4 (2.17%) Law
5 4 (2.17%) Legal
6 3 (1.63%) Marketing
7 2 (1.09%) Advertising
7 2 (1.09%) Publishing
8 1 (0.54%) Games
Job Titles
1 97 (52.72%) Developer
2 33 (17.93%) Python Developer
3 28 (15.22%) Data Engineer
4 22 (11.96%) Analyst
5 20 (10.87%) Java Developer
6 16 (8.70%) Python Engineer
7 13 (7.07%) Software Engineer
8 10 (5.43%) Excel Developer
8 10 (5.43%) Excel VBA Developer
8 10 (5.43%) VBA Developer
9 9 (4.89%) Senior Developer
10 8 (4.35%) Architect
10 8 (4.35%) Consultant
10 8 (4.35%) Data Analyst
11 7 (3.80%) Business Analyst
11 7 (3.80%) Front End Developer (Client-Side Developer)
11 7 (3.80%) Senior Front-End Developer
12 6 (3.26%) Machine Learning Developer
13 5 (2.72%) Algorithm Engineer
13 5 (2.72%) Full Stack Developer
Libraries, Frameworks & Software Standards
1 21 (11.41%) Pandas
2 19 (10.33%) NumPy
3 18 (9.78%) AngularJS
4 17 (9.24%) XML
5 16 (8.70%) React
6 15 (8.15%) HTML
7 14 (7.61%) SciPy
8 13 (7.07%) CSS
9 12 (6.52%) Spring
10 11 (5.98%) jQuery
11 8 (4.35%) JSON
11 8 (4.35%) Kafka
12 7 (3.80%) TensorFlow
12 7 (3.80%) Twitter Bootstrap
13 6 (3.26%) Keras
14 5 (2.72%) .NET
14 5 (2.72%) HTML5
14 5 (2.72%) Natural Language Processing
14 5 (2.72%) REST
15 4 (2.17%) J2EE
Miscellaneous
1 92 (50.00%) Algorithms
2 33 (17.93%) Analytical Skills
3 17 (9.24%) Hedge funds
4 16 (8.70%) Fintech
5 12 (6.52%) Management Information System
6 11 (5.98%) Equity Derivative
7 9 (4.89%) Market Risk
7 9 (4.89%) Spread Betting
7 9 (4.89%) User Experience
8 8 (4.35%) Self-Motivation
9 7 (3.80%) RIA
10 6 (3.26%) Equities
11 4 (2.17%) Greenfield Project
11 4 (2.17%) Reference Data
12 3 (1.63%) Credit Risk
12 3 (1.63%) Derivative
13 2 (1.09%) Foreign Exchange (FX)
13 2 (1.09%) Robotics
13 2 (1.09%) Taxonomies
14 1 (0.54%) Data Protection Act
Operating Systems
1 17 (9.24%) Unix
2 11 (5.98%) Linux
3 10 (5.43%) Windows
4 3 (1.63%) Android
4 3 (1.63%) Apple iOS
5 2 (1.09%) Mac OS X
5 2 (1.09%) Windows Server
6 1 (0.54%) Mac OS
Processes & Methodologies
1 44 (23.91%) Agile Software Development
2 36 (19.57%) Business Intelligence
2 36 (19.57%) ETL
3 35 (19.02%) Analytics
3 35 (19.02%) Machine Learning
4 30 (16.30%) Data Management
4 30 (16.30%) Software Engineering
5 29 (15.76%) Problem-Solving
6 28 (15.22%) Data Modelling
6 28 (15.22%) Visualisation
7 22 (11.96%) Data Analysis
7 22 (11.96%) OO
8 20 (10.87%) Artificial Intelligence
9 19 (10.33%) Computer Science
9 19 (10.33%) Mathematics
10 16 (8.70%) TDD
11 15 (8.15%) Change Management
11 15 (8.15%) OOP
12 13 (7.07%) Release Management
13 12 (6.52%) OOD
Programming Languages
1 81 (44.02%) SQL
2 75 (40.76%) Python
3 40 (21.74%) Java
4 38 (20.65%) C++
5 37 (20.11%) JavaScript
6 30 (16.30%) T-SQL
7 28 (15.22%) C#
8 25 (13.59%) VBA
9 14 (7.61%) Objective-C
10 12 (6.52%) F#
10 12 (6.52%) PL/SQL
10 12 (6.52%) Scala
11 11 (5.98%) Go
11 11 (5.98%) Perl
12 10 (5.43%) Haskell
13 9 (4.89%) R
14 7 (3.80%) Java 8
15 6 (3.26%) VB
16 3 (1.63%) Ruby
17 2 (1.09%) Erlang
Qualifications
1 25 (13.59%) Degree
2 5 (2.72%) MCSA
2 5 (2.72%) Microsoft Certification
2 5 (2.72%) PhD
3 4 (2.17%) A+ Certification
4 2 (1.09%) Master's Degree
5 1 (0.54%) Computer Science Degree
Quality Assurance & Compliance
1 33 (17.93%) Data Quality
2 9 (4.89%) QA
3 2 (1.09%) ISO 20022
3 2 (1.09%) WAI
4 1 (0.54%) GDPR
System Software
1 15 (8.15%) Docker
2 5 (2.72%) Active Directory
3 2 (1.09%) Apache ZooKeeper
4 1 (0.54%) etcd
Systems Management
1 6 (3.26%) Kubernetes
2 4 (2.17%) SCCM
3 1 (0.54%) Ansible
3 1 (0.54%) Consul
3 1 (0.54%) Kibana
3 1 (0.54%) Opscode Chef
3 1 (0.54%) Puppet
3 1 (0.54%) Terraform
Vendors
1 35 (19.02%) Oracle
2 28 (15.22%) Microsoft
3 14 (7.61%) Tableau
4 5 (2.72%) Informatica
5 4 (2.17%) Citrix
5 4 (2.17%) IBM
5 4 (2.17%) Salesforce.com
6 3 (1.63%) Anaplan
6 3 (1.63%) Google
6 3 (1.63%) Hyperion
6 3 (1.63%) SAP
6 3 (1.63%) Talend
7 2 (1.09%) Alteryx
7 2 (1.09%) Atlassian
7 2 (1.09%) GoldenSource
7 2 (1.09%) Sybase
8 1 (0.54%) Cypress Semiconductor
8 1 (0.54%) New Relic
8 1 (0.54%) Perfecto Mobile
8 1 (0.54%) Sitecore