Period
to 25 October 2021

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 25 October 2021 with a comparison to the same period over the previous 2 years.

Data Structures
Central London > City of London
6 months to
25 Oct 2021
Same period 2020 Same period 2019
Rank 150 161 197
Rank change year-on-year +11 +36 -13
Permanent jobs citing Data Structures 110 34 141
As % of all permanent jobs advertised in the City of London 1.84% 0.94% 1.42%
As % of the Miscellaneous category 4.91% 2.45% 3.84%
Number of salaries quoted 101 32 127
10th Percentile £47,500 £60,250 £50,750
25th Percentile £70,000 £69,375 £65,000
Median annual salary (50th Percentile) £90,000 £80,000 £75,000
Median % change year-on-year +12.50% +6.67% +7.14%
75th Percentile £102,500 £88,125 £97,500
90th Percentile £106,250 £110,000 £122,500
Central London median annual salary £83,750 £80,000 £77,500
% change year-on-year +4.69% +3.23% +10.71%

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 2,239 1,385 3,675
As % of all permanent IT jobs advertised in the City of London 37.52% 38.33% 36.91%
Number of salaries quoted 1,990 1,212 3,163
10th Percentile £42,500 £42,956 £38,750
25th Percentile £56,250 £55,000 £51,250
Median annual salary (50th Percentile) £75,000 £71,250 £70,000
Median % change year-on-year +5.26% +1.79% +7.69%
75th Percentile £95,000 £87,500 £85,000
90th Percentile £110,000 £110,000 £105,000
Central London median annual salary £72,500 £70,000 £67,500
% change year-on-year +3.57% +3.70% +3.85%

Data Structures
Job Vacancy Trend in the City of London

Job postings citing Data Structures as a proportion 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

3-month moving average salary quoted in 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

Salary distribution for jobs citing Data Structures in the City of London over the 6 months to 25 October 2021.

Salary histogram for Data Structures in the City of London

For the 6 months to 25 October 2021, 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 51 (46.36%) Algorithms
2 47 (42.73%) Finance
2 47 (42.73%) Java
3 32 (29.09%) Analytics
4 30 (27.27%) Fintech
5 26 (23.64%) SQL
5 26 (23.64%) Java 8
6 23 (20.91%) Python
6 23 (20.91%) Data Modelling
7 22 (20.00%) Business Intelligence
8 21 (19.09%) AWS
9 20 (18.18%) Agile Software Development
10 19 (17.27%) Analytical Skills
11 16 (14.55%) Mentoring
11 16 (14.55%) Data Architecture
11 16 (14.55%) Data Governance
12 15 (13.64%) Software Engineering
13 14 (12.73%) Banking
13 14 (12.73%) Multithreading
13 14 (12.73%) Data Transformation
13 14 (12.73%) Social Skills
13 14 (12.73%) Metadata
14 13 (11.82%) Data Migration
14 13 (11.82%) Azure
14 13 (11.82%) Migration
14 13 (11.82%) Data Analysis
14 13 (11.82%) Computer Science
14 13 (11.82%) Front Office
15 12 (10.91%) ETL
15 12 (10.91%) Derivative

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 7 (6.36%) Apache Spark
2 6 (5.45%) IBM HTTP Server
3 5 (4.55%) SAS
4 3 (2.73%) Apache Airflow
5 2 (1.82%) CMS
5 2 (1.82%) Jupyter
5 2 (1.82%) Oracle Workflow
6 1 (0.91%) Tornado
Applications
1 6 (5.45%) Microsoft Excel
Business Applications
1 2 (1.82%) Hyperion Planning
1 2 (1.82%) NetSuite
2 1 (0.91%) SAP Retail
Cloud Services
1 21 (19.09%) AWS
2 13 (11.82%) Azure
3 6 (5.45%) Snowflake
4 5 (4.55%) Matillion
5 4 (3.64%) Amazon ECS
5 4 (3.64%) Power Platform
6 3 (2.73%) Amazon Kinesis
6 3 (2.73%) AWS CloudFormation
7 2 (1.82%) Amazon ElastiCache
7 2 (1.82%) PaaS
7 2 (1.82%) SaaS
8 1 (0.91%) Amazon S3
8 1 (0.91%) Amazon SQS
8 1 (0.91%) Azure Data Factory
8 1 (0.91%) GCP
8 1 (0.91%) npm
Communications & Networking
1 1 (0.91%) 5G
1 1 (0.91%) Broadband
Database & Business Intelligence
1 14 (12.73%) Metadata
2 12 (10.91%) Relational Database
3 11 (10.00%) BusinessObjects
4 10 (9.09%) Tableau
5 8 (7.27%) Data Warehouse
6 7 (6.36%) PostgreSQL
6 7 (6.36%) Yellowfin
7 6 (5.45%) DB2
8 5 (4.55%) Apache Cassandra
8 5 (4.55%) Big Data
8 5 (4.55%) Hadoop
8 5 (4.55%) KDB
8 5 (4.55%) MongoDB
8 5 (4.55%) SAP BW
8 5 (4.55%) SAS Visual Analytics
8 5 (4.55%) SQL Server
9 4 (3.64%) BusinessObjects Business Intelligence
9 4 (3.64%) Power BI
9 4 (3.64%) SAP HANA
10 3 (2.73%) RDBMS
Development Applications
1 8 (7.27%) JIRA
2 6 (5.45%) Jenkins
3 2 (1.82%) Rational DOORS
3 2 (1.82%) Rational Rhapsody
3 2 (1.82%) Storybook
4 1 (0.91%) Bitbucket
4 1 (0.91%) Cucumber
4 1 (0.91%) Gradle
4 1 (0.91%) IntelliJ
General
1 47 (42.73%) Finance
2 19 (17.27%) Analytical Skills
3 14 (12.73%) Banking
3 14 (12.73%) Social Skills
4 13 (11.82%) Front Office
5 8 (7.27%) Investment Banking
6 5 (4.55%) Advertising
7 3 (2.73%) Publishing
8 2 (1.82%) Retail
9 1 (0.91%) Automotive
9 1 (0.91%) Portuguese Language
9 1 (0.91%) Telecoms
Job Titles
1 52 (47.27%) Developer
2 41 (37.27%) Java Developer
3 28 (25.45%) Core Java Developer
4 25 (22.73%) Java Developer - Fintech
5 13 (11.82%) Architect
6 11 (10.00%) Data Architect
7 10 (9.09%) Analyst
8 7 (6.36%) Data Manager
8 7 (6.36%) Python Developer
9 6 (5.45%) C++ Developer
9 6 (5.45%) Investment Banking C++ Developer
9 6 (5.45%) Senior Developer
10 5 (4.55%) Business Intelligence Analyst
10 5 (4.55%) Head of Architecture
10 5 (4.55%) Head of Data Architecture
10 5 (4.55%) Head of Finance
10 5 (4.55%) Principal Architect
10 5 (4.55%) Principal Data Architect
10 5 (4.55%) Team Leader
11 4 (3.64%) SAP Analyst
Libraries, Frameworks & Software Standards
1 10 (9.09%) Spring
2 7 (6.36%) HTML
2 7 (6.36%) React
3 6 (5.45%) .NET
4 5 (4.55%) REST
5 4 (3.64%) JSON
5 4 (3.64%) Kafka
5 4 (3.64%) Redux
5 4 (3.64%) XML
6 3 (2.73%) HTML5
6 3 (2.73%) Jest
6 3 (2.73%) Lambda Expressions
6 3 (2.73%) NumPy
6 3 (2.73%) Pandas
6 3 (2.73%) Spring Boot
7 2 (1.82%) CSS
7 2 (1.82%) Enzyme
7 2 (1.82%) RabbitMQ
7 2 (1.82%) React Native
7 2 (1.82%) RESTful
Miscellaneous
1 51 (46.36%) Algorithms
2 12 (10.91%) Derivative
3 4 (3.64%) Enterprise Software
3 4 (3.64%) Legacy Systems
4 3 (2.73%) Clustering
5 2 (1.82%) Analytical Mindset
5 2 (1.82%) User Experience
6 1 (0.91%) Data Centre
6 1 (0.91%) Equities
6 1 (0.91%) Foreign Exchange (FX)
6 1 (0.91%) Greenfield Project
6 1 (0.91%) Grid Computing
6 1 (0.91%) Management Information System
6 1 (0.91%) Reinsurance
6 1 (0.91%) Social Media
6 1 (0.91%) Virtual Team
Operating Systems
1 10 (9.09%) Unix
2 6 (5.45%) Linux
Processes & Methodologies
1 32 (29.09%) Analytics
2 30 (27.27%) Fintech
3 23 (20.91%) Data Modelling
4 22 (20.00%) Business Intelligence
5 20 (18.18%) Agile Software Development
6 16 (14.55%) Data Architecture
6 16 (14.55%) Data Governance
6 16 (14.55%) Mentoring
7 15 (13.64%) Software Engineering
8 14 (12.73%) Data Transformation
8 14 (12.73%) Multithreading
9 13 (11.82%) Computer Science
9 13 (11.82%) Data Analysis
9 13 (11.82%) Data Migration
9 13 (11.82%) Migration
10 12 (10.91%) ETL
10 12 (10.91%) Technical Leadership
11 11 (10.00%) Metadata Management
11 11 (10.00%) OO
11 11 (10.00%) Thought Leadership
Programming Languages
1 47 (42.73%) Java
2 26 (23.64%) Java 8
2 26 (23.64%) SQL
3 23 (20.91%) Python
4 8 (7.27%) C++
5 7 (6.36%) C
5 7 (6.36%) JavaScript
6 6 (5.45%) C#
7 3 (2.73%) PHP
7 3 (2.73%) TypeScript
8 2 (1.82%) R
9 1 (0.91%) ES6
9 1 (0.91%) Scala
9 1 (0.91%) VBA
Qualifications
1 5 (4.55%) Degree
2 3 (2.73%) SAS Certification
3 2 (1.82%) Computer Science Degree
3 2 (1.82%) SC Cleared
3 2 (1.82%) Security Cleared
4 1 (0.91%) BPSS Clearance
4 1 (0.91%) IBM Certification
4 1 (0.91%) Master's Degree
Quality Assurance & Compliance
1 4 (3.64%) QA
2 2 (1.82%) Accessibility
2 2 (1.82%) Data Quality
2 2 (1.82%) WCAG
3 1 (0.91%) ISO 20022
System Software
1 3 (2.73%) Docker
2 1 (0.91%) Firmware
Systems Management
1 1 (0.91%) Kubernetes
Vendors
1 8 (7.27%) Oracle
2 7 (6.36%) Microsoft
3 5 (4.55%) Google
3 5 (4.55%) SAP
3 5 (4.55%) Teradata
4 4 (3.64%) Greenplum
4 4 (3.64%) IBM
5 2 (1.82%) Hyperion
6 1 (0.91%) Sybase