Period
to 8 March 2021

The table below looks at the prevalence of the term Data Structures in permanent job vacancies advertised in London. Included is a benchmarking guide to the salaries offered in vacancies that have cited Data Structures over the 6 months to 8 March 2021 with a comparison to the same period over the previous 2 years.

Data Structures
England > London
6 months to
8 Mar 2021
Same period 2020 Same period 2019
Rank 196 231 225
Rank change year-on-year +35 -6 +58
Permanent jobs citing Data Structures 490 765 986
As % of all permanent jobs advertised in London 1.73% 1.53% 1.59%
As % of the Miscellaneous category 4.14% 3.70% 3.81%
Number of salaries quoted 446 613 809
Median annual salary £80,000 £67,500 £67,500
Median salary % change year-on-year +18.52% - +3.85%
10th Percentile £46,000 £46,250 £41,427
90th Percentile £110,000 £115,000 £95,000
England median annual salary £65,000 £65,000 £62,500
% change year-on-year - +4.00% +4.17%

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 London with a requirement for generic IT skills.

All Generic IT Skills
London
Permanent vacancies with a requirement for generic IT skills 11,847 20,664 25,903
As % of all permanent IT jobs advertised in London 41.85% 41.38% 41.78%
Number of salaries quoted 9,349 16,175 20,582
Median annual salary £70,000 £67,500 £65,000
Median salary % change year-on-year +3.70% +3.85% +8.33%
10th Percentile £42,500 £36,750 £35,000
90th Percentile £110,000 £112,500 £100,000
England median annual salary £57,500 £55,000 £52,500
% change year-on-year +4.55% +4.76% +5.00%

Data Structures
Job Vacancy Trend in London

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

Job vacancy trend for Data Structures in London

Data Structures
Salary Trend in London

3-month moving average salary quoted in jobs citing Data Structures in London.

Salary trend for Data Structures in London

Data Structures
Salary Histogram in London

Salary distribution for jobs citing Data Structures in London over the 6 months to 8 March 2021.

Salary histogram for Data Structures in London

Data Structures
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Data Structures within the London region over the 6 months to 8 March 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London +68 125 £82,500 +13.79% 58
West London +50 15 £95,000 +46.15% 21
South London +29 4 £52,500 -30.00%
East London +6 4 £70,000 +1.82% 20
North London - 3 - -
Data Structures
England

For the 6 months to 8 March 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 London region with a requirement for Data Structures.

1 261 (53.27%) Algorithms
2 187 (38.16%) Finance
3 185 (37.76%) Python
4 161 (32.86%) Java
5 136 (27.76%) Software Engineering
6 134 (27.35%) Agile Software Development
7 132 (26.94%) SQL
8 118 (24.08%) Computer Science
9 116 (23.67%) Fintech
10 111 (22.65%) AWS
11 99 (20.20%) C#
12 93 (18.98%) JavaScript
13 83 (16.94%) Linux
14 81 (16.53%) C++
15 75 (15.31%) Docker
16 74 (15.10%) Kubernetes
17 72 (14.69%) ETL
18 71 (14.49%) .NET
19 70 (14.29%) OO
20 69 (14.08%) Azure
21 67 (13.67%) Analytics
22 65 (13.27%) Machine Learning
22 65 (13.27%) Microservices
23 64 (13.06%) Data Science
23 64 (13.06%) Degree
24 62 (12.65%) Analytical Skills
25 59 (12.04%) Relational Database
26 57 (11.63%) Data Modelling
26 57 (11.63%) Terraform
27 56 (11.43%) Business Intelligence

Data Structures
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 24 (4.90%) Apache Spark
2 19 (3.88%) Elasticsearch
3 13 (2.65%) Tornado
4 8 (1.63%) Apache
4 8 (1.63%) Apache Airflow
5 4 (0.82%) Confluence
6 3 (0.61%) Luigi
7 2 (0.41%) CMS
8 1 (0.20%) Ethereum
8 1 (0.20%) SharePoint
Applications
1 17 (3.47%) Microsoft Excel
2 6 (1.22%) MS Visio
3 3 (0.61%) Microsoft Office
3 3 (0.61%) Microsoft Project
4 2 (0.41%) Microsoft PowerPoint
Business Applications
1 3 (0.61%) Visualfiles
2 2 (0.41%) Dynamics AX
2 2 (0.41%) Dynamics GP
2 2 (0.41%) Workday HCM
3 1 (0.20%) Endur
3 1 (0.20%) Findur
3 1 (0.20%) Magento
3 1 (0.20%) Markit EDM
3 1 (0.20%) Quorum
3 1 (0.20%) Sage CRM
3 1 (0.20%) Sage X3
3 1 (0.20%) SAP S/4HANA
Cloud Services
1 111 (22.65%) AWS
2 69 (14.08%) Azure
3 41 (8.37%) Power Platform
4 37 (7.55%) GCP
5 27 (5.51%) AWS CloudFormation
6 25 (5.10%) SaaS
7 16 (3.27%) Cloud Computing
8 13 (2.65%) Serverless
9 11 (2.24%) Azure Data Factory
10 6 (1.22%) AWS Elastic Beanstalk
10 6 (1.22%) GitHub
11 5 (1.02%) Amazon CloudWatch
11 5 (1.02%) Amazon S3
11 5 (1.02%) Apigee
11 5 (1.02%) Azure Active Directory
11 5 (1.02%) iPaaS
12 4 (0.82%) AWS Lambda
12 4 (0.82%) IaaS
12 4 (0.82%) OpenShift
13 3 (0.61%) Amazon SQS
Communications & Networking
1 11 (2.24%) Internet
2 6 (1.22%) HTTP
3 4 (0.82%) IMAP
3 4 (0.82%) SMTP
4 3 (0.61%) DNS
5 1 (0.20%) Broadband
5 1 (0.20%) Firewall
5 1 (0.20%) LAN
5 1 (0.20%) TCP/IP
5 1 (0.20%) WAN
5 1 (0.20%) WebEx
Database & Business Intelligence
1 59 (12.04%) Relational Database
2 51 (10.41%) Data Warehouse
3 49 (10.00%) PostgreSQL
4 43 (8.78%) Big Data
5 41 (8.37%) Power BI
6 40 (8.16%) SQL Server
6 40 (8.16%) SQL Server Integration Services
7 34 (6.94%) NoSQL
8 31 (6.33%) Redis
9 28 (5.71%) SQL Server Reporting Services
10 27 (5.51%) Tableau
11 26 (5.31%) MongoDB
12 25 (5.10%) SQL Server Analysis Services
13 22 (4.49%) Data Mining
14 19 (3.88%) Hadoop
15 17 (3.47%) Data Lake
16 14 (2.86%) Apache Cassandra
17 13 (2.65%) Amazon Redshift
17 13 (2.65%) Looker
18 8 (1.63%) Azure SQL Database
Development Applications
1 38 (7.76%) Git (software)
2 31 (6.33%) Jenkins
3 27 (5.51%) GitLab
4 20 (4.08%) JIRA
5 16 (3.27%) Maven
6 8 (1.63%) Travis CI
7 6 (1.22%) CircleCI
7 6 (1.22%) SQL Server Management Studio (SSMS)
7 6 (1.22%) Visual Studio
8 5 (1.02%) Bitbucket
8 5 (1.02%) IntelliJ
9 4 (0.82%) gulp
9 4 (0.82%) webpack
10 2 (0.41%) Grunt
10 2 (0.41%) TeamCity
11 1 (0.20%) Mercurial
11 1 (0.20%) Mocha
11 1 (0.20%) Sinon.JS
11 1 (0.20%) Sonatype Nexus
11 1 (0.20%) Team Foundation Server
General
1 187 (38.16%) Finance
2 45 (9.18%) Front Office
3 35 (7.14%) Banking
4 33 (6.73%) Games
5 29 (5.92%) Telecoms
6 25 (5.10%) Retail
7 14 (2.86%) Back Office
8 12 (2.45%) Marketing
9 11 (2.24%) Manufacturing
10 9 (1.84%) Financial Institution
10 9 (1.84%) Investment Banking
10 9 (1.84%) Public Sector
11 8 (1.63%) Electronics
11 8 (1.63%) Law
12 6 (1.22%) Legal
13 2 (0.41%) Advertising
14 1 (0.20%) Billing
14 1 (0.20%) General Ledger
14 1 (0.20%) Pharmaceutical
Job Titles
1 231 (47.14%) Developer
2 92 (18.78%) Java Developer
3 58 (11.84%) Software Engineer
4 41 (8.37%) Analyst
5 35 (7.14%) Senior Developer
6 28 (5.71%) Python Engineer
7 27 (5.51%) Data Analyst
7 27 (5.51%) Data Engineer
8 26 (5.31%) Python Developer
9 22 (4.49%) Architect
9 22 (4.49%) C# Developer
10 21 (4.29%) Java Engineer
11 20 (4.08%) JavaScript Developer
12 19 (3.88%) Java Developer - Fintech
12 19 (3.88%) React Developer
13 18 (3.67%) Core Java Developer
13 18 (3.67%) DevOps Engineer
14 17 (3.47%) Data Architect
14 17 (3.47%) Full Stack Developer
14 17 (3.47%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 71 (14.49%) .NET
2 51 (10.41%) React
3 49 (10.00%) .NET Core
4 46 (9.39%) REST
5 41 (8.37%) Spring Boot
6 40 (8.16%) CSS
6 40 (8.16%) Web Services
7 38 (7.76%) Kafka
8 35 (7.14%) Spring
9 34 (6.94%) HTML
10 33 (6.73%) AngularJS
10 33 (6.73%) Node.js
11 23 (4.69%) XML
12 19 (3.88%) Redux
13 17 (3.47%) Django
14 16 (3.27%) Pandas
15 15 (3.06%) RESTful
16 14 (2.86%) FIX Protocol
17 13 (2.65%) RabbitMQ
18 11 (2.24%) HTML5
Miscellaneous
1 261 (53.27%) Algorithms
2 62 (12.65%) Analytical Skills
3 53 (10.82%) Hedge funds
4 36 (7.35%) Greenfield Project
5 32 (6.53%) Derivative
6 30 (6.12%) Foreign Exchange (FX)
7 28 (5.71%) User Experience
8 20 (4.08%) Cloud Native
9 17 (3.47%) Enterprise Software
9 17 (3.47%) Management Information System
10 15 (3.06%) Fixed Income
11 12 (2.45%) Self-Motivation
12 10 (2.04%) Equities
13 7 (1.43%) Data Centre
14 6 (1.22%) Analytical Mindset
14 6 (1.22%) Mobile App
14 6 (1.22%) NHS
15 5 (1.02%) Reference Data
16 4 (0.82%) Life Science
16 4 (0.82%) SWIFT
Operating Systems
1 83 (16.94%) Linux
2 11 (2.24%) Unix
3 5 (1.02%) Windows
4 1 (0.20%) Mac OS
Processes & Methodologies
1 136 (27.76%) Software Engineering
2 134 (27.35%) Agile Software Development
3 118 (24.08%) Computer Science
4 116 (23.67%) Fintech
5 72 (14.69%) ETL
6 70 (14.29%) OO
7 67 (13.67%) Analytics
8 65 (13.27%) Machine Learning
8 65 (13.27%) Microservices
9 64 (13.06%) Data Science
10 57 (11.63%) Data Modelling
11 56 (11.43%) Business Intelligence
12 53 (10.82%) DevOps
12 53 (10.82%) Problem-Solving
13 52 (10.61%) TDD
14 47 (9.59%) OOP
15 39 (7.96%) Visualisation
16 35 (7.14%) Artificial Intelligence
17 34 (6.94%) Data Analysis
17 34 (6.94%) Portfolio Management
Programming Languages
1 185 (37.76%) Python
2 161 (32.86%) Java
3 132 (26.94%) SQL
4 99 (20.20%) C#
5 93 (18.98%) JavaScript
6 81 (16.53%) C++
7 52 (10.61%) Java 8
8 43 (8.78%) TypeScript
9 41 (8.37%) Scala
10 31 (6.33%) Go
11 20 (4.08%) R
11 20 (4.08%) T-SQL
12 19 (3.88%) Bash Shell
13 15 (3.06%) Data Analysis Expressions (DAX)
14 11 (2.24%) Kotlin
15 10 (2.04%) C
16 9 (1.84%) PHP
17 7 (1.43%) VB.NET
17 7 (1.43%) VBA
18 6 (1.22%) Rust
Qualifications
1 64 (13.06%) Degree
2 34 (6.94%) Computer Science Degree
3 9 (1.84%) Security Cleared
4 8 (1.63%) CIW
4 8 (1.63%) Master's Degree
4 8 (1.63%) OCA
4 8 (1.63%) OCP
4 8 (1.63%) Oracle Certification
5 5 (1.02%) Numerate Degree
6 4 (0.82%) AWS Certification
6 4 (0.82%) DV Cleared
7 1 (0.20%) A+ Certification
7 1 (0.20%) CompTIA Security+
7 1 (0.20%) GISF
7 1 (0.20%) ISACA
7 1 (0.20%) MOS
7 1 (0.20%) PhD
7 1 (0.20%) SSCP
Quality Assurance & Compliance
1 16 (3.27%) Data Quality
2 13 (2.65%) QA
3 5 (1.02%) NIST
4 2 (0.41%) GDPR
5 1 (0.20%) EMIR
5 1 (0.20%) ISO/IEC 27001
System Software
1 75 (15.31%) Docker
2 5 (1.02%) Active Directory
Systems Management
1 74 (15.10%) Kubernetes
2 57 (11.63%) Terraform
3 9 (1.84%) Prometheus
4 8 (1.63%) Puppet
5 4 (0.82%) Kibana
6 3 (0.61%) Istio
7 2 (0.41%) Ansible
7 2 (0.41%) Grafana
7 2 (0.41%) Oozie
8 1 (0.20%) SCCM
Vendors
1 36 (7.35%) Google
2 33 (6.73%) Microsoft
3 23 (4.69%) Oracle
4 21 (4.29%) Salesforce.com
5 18 (3.67%) SAP
6 11 (2.24%) Informatica
7 7 (1.43%) Databricks
8 6 (1.22%) Bloomberg
8 6 (1.22%) IBM
9 4 (0.82%) PagerDuty
10 3 (0.61%) Alteryx
10 3 (0.61%) New Relic
11 2 (0.41%) Apple
11 2 (0.41%) ServiceNow
11 2 (0.41%) Snowplow
11 2 (0.41%) Talend
11 2 (0.41%) Workday
11 2 (0.41%) Xamarin
12 1 (0.20%) Reuters
12 1 (0.20%) Sage