Period
to 19 June 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 19 June 2021 with a comparison to the same period over the previous 2 years.

Data Structures
England > London
6 months to
19 Jun 2021
Same period 2020 Same period 2019
Rank 203 218 241
Rank change year-on-year +15 +23 +16
Permanent jobs citing Data Structures 712 544 814
As % of all permanent jobs advertised in London 1.82% 1.59% 1.41%
As % of the Miscellaneous category 4.41% 4.20% 3.86%
Number of salaries quoted 438 434 661
10th Percentile £46,100 £46,250 £43,750
25th Percentile £61,250 £57,500 £55,000
Median annual salary (50th Percentile) £80,000 £67,500 £70,000
Median % change year-on-year +18.52% -3.57% +3.70%
75th Percentile £100,000 £87,500 £85,000
90th Percentile £105,000 £117,500 £100,000
England median annual salary £65,000 £65,000 £63,085
% change year-on-year - +3.04% +5.14%

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 16,143 12,966 21,105
As % of all permanent IT jobs advertised in London 41.24% 38.00% 36.68%
Number of salaries quoted 10,108 10,355 16,805
10th Percentile £42,500 £39,350 £36,250
25th Percentile £53,750 £51,250 £47,500
Median annual salary (50th Percentile) £72,500 £70,000 £65,000
Median % change year-on-year +3.57% +7.69% +4.84%
75th Percentile £92,500 £90,000 £83,750
90th Percentile £112,500 £115,000 £101,250
England median annual salary £57,500 £56,500 £55,000
% change year-on-year +1.77% +2.73% +5.26%

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 19 June 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 19 June 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 +72 127 £82,500 +26.92% 44
West London -1 19 £71,250 +9.62% 18
South London 0 8 £52,500 -32.26% 1
East London +6 6 £45,000 -30.77% 13
North London +21 4 £35,000 +16.67%
Data Structures
England

For the 6 months to 19 June 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.

1 401 (56.32%) Algorithms
2 295 (41.43%) Python
3 283 (39.75%) Java
4 213 (29.92%) SQL
5 206 (28.93%) AWS
6 205 (28.79%) Software Engineering
7 203 (28.51%) Agile Software Development
8 198 (27.81%) Finance
9 196 (27.53%) JavaScript
10 172 (24.16%) Computer Science
11 168 (23.60%) Social Skills
12 139 (19.52%) Degree
13 134 (18.82%) C++
13 134 (18.82%) Docker
14 131 (18.40%) Linux
15 121 (16.99%) Data Science
16 116 (16.29%) Fintech
17 108 (15.17%) Azure
18 105 (14.75%) OO
19 103 (14.47%) Analytics
20 102 (14.33%) Analytical Skills
20 102 (14.33%) Microservices
21 100 (14.04%) Problem-Solving
22 96 (13.48%) C#
22 96 (13.48%) Kubernetes
23 94 (13.20%) Git (software)
24 89 (12.50%) Spring
24 89 (12.50%) DevOps
25 87 (12.22%) Relational Database
26 86 (12.08%) HTML

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 54 (7.58%) Apache Spark
2 38 (5.34%) Apache Airflow
3 15 (2.11%) Elasticsearch
4 13 (1.83%) Gunicorn
5 11 (1.54%) Apache
6 10 (1.40%) Confluence
6 10 (1.40%) Luigi
7 9 (1.26%) JBoss
7 9 (1.26%) Tomcat
8 8 (1.12%) WebSphere
9 6 (0.84%) SAS
10 4 (0.56%) Oracle Workflow
11 3 (0.42%) CMS
12 2 (0.28%) Apache Pig
12 2 (0.28%) Ethereum
12 2 (0.28%) nginx
13 1 (0.14%) IIS
13 1 (0.14%) Jupyter
13 1 (0.14%) Oracle SOA Suite
Applications
1 21 (2.95%) Microsoft Excel
2 8 (1.12%) MS Visio
3 2 (0.28%) Microsoft Office
Business Applications
1 6 (0.84%) Summit
2 3 (0.42%) Visualfiles
3 2 (0.28%) Dynamics GP
3 2 (0.28%) SAP ERP
4 1 (0.14%) Dynamics AX
4 1 (0.14%) Oracle Procure-to-Pay
4 1 (0.14%) Quorum
4 1 (0.14%) Sage CRM
4 1 (0.14%) Sage X3
4 1 (0.14%) SAP R/3
4 1 (0.14%) SAP Retail
4 1 (0.14%) SAP S/4HANA
4 1 (0.14%) Workfront
Cloud Services
1 206 (28.93%) AWS
2 108 (15.17%) Azure
3 50 (7.02%) Power Platform
4 43 (6.04%) SaaS
5 35 (4.92%) AWS CloudFormation
6 34 (4.78%) npm
7 29 (4.07%) GCP
8 26 (3.65%) Snowflake
9 25 (3.51%) Cloud Computing
10 24 (3.37%) Amazon S3
10 24 (3.37%) Serverless
11 18 (2.53%) Amazon EC2
12 17 (2.39%) PaaS
13 15 (2.11%) GitHub
14 12 (1.69%) AWS Lambda
14 12 (1.69%) Azure Data Factory
15 10 (1.40%) Amazon ElastiCache
15 10 (1.40%) AWS CodePipeline
16 9 (1.26%) Amazon Kinesis
17 8 (1.12%) Amazon EMR
Communications & Networking
1 25 (3.51%) HTTP
2 15 (2.11%) Internet
3 9 (1.26%) TCP/IP
4 6 (0.84%) IMAP
4 6 (0.84%) SMTP
5 5 (0.70%) Broadband
6 3 (0.42%) 5G
7 2 (0.28%) Reverse Proxy
8 1 (0.14%) Firewall
8 1 (0.14%) Multicast
8 1 (0.14%) Unicast
8 1 (0.14%) VoIP
Database & Business Intelligence
1 87 (12.22%) Relational Database
2 82 (11.52%) PostgreSQL
3 76 (10.67%) Data Warehouse
4 56 (7.87%) Big Data
5 55 (7.72%) NoSQL
6 50 (7.02%) Power BI
7 42 (5.90%) Tableau
8 37 (5.20%) MongoDB
9 36 (5.06%) SQL Server Integration Services
10 33 (4.63%) SQL Server
11 32 (4.49%) Data Mining
11 32 (4.49%) SQL Server Reporting Services
12 24 (3.37%) Apache Cassandra
13 23 (3.23%) SQL Server Analysis Services
14 22 (3.09%) Hadoop
15 21 (2.95%) Amazon RDS
15 21 (2.95%) Amazon Redshift
16 20 (2.81%) Data Lake
17 17 (2.39%) MySQL
17 17 (2.39%) SQLite
Development Applications
1 94 (13.20%) Git (software)
2 65 (9.13%) JIRA
3 30 (4.21%) Jenkins
4 22 (3.09%) GitLab
4 22 (3.09%) gulp
5 19 (2.67%) Bower
6 14 (1.97%) webpack
7 10 (1.40%) Mercurial
8 9 (1.26%) CircleCI
8 9 (1.26%) Subversion
9 8 (1.12%) TeamCity
10 6 (0.84%) SQL Server Management Studio (SSMS)
10 6 (0.84%) Travis CI
10 6 (0.84%) Visual Studio
11 5 (0.70%) Cypress.io
11 5 (0.70%) git-flow
12 4 (0.56%) Oracle APEX
13 3 (0.42%) Android Studio
13 3 (0.42%) Appium
13 3 (0.42%) Storybook
General
1 198 (27.81%) Finance
2 168 (23.60%) Social Skills
3 102 (14.33%) Analytical Skills
4 41 (5.76%) Front Office
5 33 (4.63%) Manufacturing
6 32 (4.49%) Law
7 31 (4.35%) Banking
8 28 (3.93%) Retail
9 24 (3.37%) Advertising
10 22 (3.09%) Games
11 19 (2.67%) Telecoms
12 16 (2.25%) Marketing
12 16 (2.25%) Presentation Skills
13 12 (1.69%) Russian Language
14 11 (1.54%) Automotive
15 10 (1.40%) Investment Banking
15 10 (1.40%) Public Sector
16 9 (1.26%) Electronics
17 8 (1.12%) Military
17 8 (1.12%) Publishing
Job Titles
1 305 (42.84%) Developer
2 101 (14.19%) Java Developer
3 98 (13.76%) Software Engineer
4 56 (7.87%) Analyst
5 54 (7.58%) Data Engineer
6 49 (6.88%) Senior Developer
7 33 (4.63%) Data Analyst
8 32 (4.49%) Python Developer
9 30 (4.21%) Full Stack Developer
10 29 (4.07%) Backend Developer
11 28 (3.93%) Senior Software Engineer
12 27 (3.79%) Front End Developer (Client-Side Developer)
12 27 (3.79%) Junior
13 25 (3.51%) Python Engineer
14 22 (3.09%) Senior Data Engineer
15 21 (2.95%) Core Java Developer
15 21 (2.95%) Java Developer - Fintech
15 21 (2.95%) JavaScript Developer
16 19 (2.67%) Architect
16 19 (2.67%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 89 (12.50%) Spring
2 86 (12.08%) HTML
3 85 (11.94%) REST
4 82 (11.52%) React
5 79 (11.10%) Kafka
6 76 (10.67%) CSS
7 69 (9.69%) .NET
8 62 (8.71%) AngularJS
9 60 (8.43%) Node.js
10 53 (7.44%) Web Services
11 46 (6.46%) Spring Boot
12 45 (6.32%) JSON
13 43 (6.04%) .NET Core
14 37 (5.20%) Pandas
15 34 (4.78%) HTML5
16 33 (4.63%) XML
17 32 (4.49%) OpenGL
18 31 (4.35%) Redux
19 29 (4.07%) RESTful
20 27 (3.79%) RabbitMQ
Miscellaneous
1 401 (56.32%) Algorithms
2 56 (7.87%) User Experience
3 43 (6.04%) Derivative
4 38 (5.34%) Hedge funds
5 34 (4.78%) Enterprise Software
6 33 (4.63%) Greenfield Project
7 25 (3.51%) Mobile App
8 24 (3.37%) Self-Motivation
9 19 (2.67%) Foreign Exchange (FX)
10 18 (2.53%) Data Centre
11 17 (2.39%) Fixed Income
11 17 (2.39%) Management Information System
11 17 (2.39%) Robotics
12 14 (1.97%) Equities
12 14 (1.97%) Virtual Team
13 13 (1.83%) CUDA
13 13 (1.83%) Industry 4.0
14 12 (1.69%) Augmented Reality
15 10 (1.40%) Public Cloud
16 9 (1.26%) SWIFT
Operating Systems
1 131 (18.40%) Linux
2 25 (3.51%) Unix
3 16 (2.25%) Windows
4 10 (1.40%) Android
5 9 (1.26%) Apple iOS
6 3 (0.42%) CentOS
6 3 (0.42%) Ubuntu
7 2 (0.28%) Mac OS
7 2 (0.28%) watchOS
8 1 (0.14%) Alpine Linux
8 1 (0.14%) Red Hat Enterprise Linux
Processes & Methodologies
1 205 (28.79%) Software Engineering
2 203 (28.51%) Agile Software Development
3 172 (24.16%) Computer Science
4 121 (16.99%) Data Science
5 116 (16.29%) Fintech
6 105 (14.75%) OO
7 103 (14.47%) Analytics
8 102 (14.33%) Microservices
9 100 (14.04%) Problem-Solving
10 89 (12.50%) DevOps
11 80 (11.24%) Machine Learning
12 74 (10.39%) Artificial Intelligence
12 74 (10.39%) Business Intelligence
12 74 (10.39%) OOP
13 71 (9.97%) TDD
14 68 (9.55%) Continuous Integration
14 68 (9.55%) Open Source
14 68 (9.55%) Workflow
15 66 (9.27%) Front End Development
16 64 (8.99%) Data Modelling
Programming Languages
1 295 (41.43%) Python
2 283 (39.75%) Java
3 213 (29.92%) SQL
4 196 (27.53%) JavaScript
5 134 (18.82%) C++
6 96 (13.48%) C#
7 75 (10.53%) TypeScript
8 71 (9.97%) Java 8
9 41 (5.76%) Go
10 40 (5.62%) ES6
10 40 (5.62%) Kotlin
11 39 (5.48%) Scala
12 30 (4.21%) C
13 18 (2.53%) Objective-C
14 16 (2.25%) PHP
15 15 (2.11%) Data Analysis Expressions (DAX)
16 14 (1.97%) Bash Shell
17 12 (1.69%) R
18 11 (1.54%) T-SQL
19 10 (1.40%) Apex Code
Qualifications
1 139 (19.52%) Degree
2 59 (8.29%) Computer Science Degree
3 22 (3.09%) Master's Degree
4 14 (1.97%) Security Cleared
5 8 (1.12%) CIW
5 8 (1.12%) OCA
5 8 (1.12%) OCP
5 8 (1.12%) Oracle Certification
6 6 (0.84%) PhD
7 4 (0.56%) AWS Certification
7 4 (0.56%) BPSS Clearance
7 4 (0.56%) DV Cleared
7 4 (0.56%) Numerate Degree
8 3 (0.42%) ISEB
9 2 (0.28%) SAS Certification
10 1 (0.14%) A+ Certification
10 1 (0.14%) GISF
10 1 (0.14%) MOS
10 1 (0.14%) Postgraduate
10 1 (0.14%) SSCP
Quality Assurance & Compliance
1 22 (3.09%) Data Quality
2 20 (2.81%) QA
3 19 (2.67%) Accessibility
4 16 (2.25%) GRC
5 8 (1.12%) GDPR
6 5 (0.70%) ISO/IEC 27001
6 5 (0.70%) SOC 2
7 3 (0.42%) HIPAA
7 3 (0.42%) ISO 20022
8 2 (0.28%) CDISC
8 2 (0.28%) WCAG
9 1 (0.14%) PMO
System Software
1 134 (18.82%) Docker
2 7 (0.98%) Apache ZooKeeper
2 7 (0.98%) etcd
3 5 (0.70%) Active Directory
4 1 (0.14%) HDFS
Systems Management
1 96 (13.48%) Kubernetes
2 63 (8.85%) Terraform
3 15 (2.11%) Puppet
4 14 (1.97%) Opscode Chef
5 7 (0.98%) Consul
6 6 (0.84%) Ansible
6 6 (0.84%) Prometheus
7 2 (0.28%) Oozie
8 1 (0.14%) Istio
8 1 (0.14%) Kibana
8 1 (0.14%) SCCM
8 1 (0.14%) Tivoli
Vendors
1 64 (8.99%) Oracle
2 45 (6.32%) Microsoft
3 35 (4.92%) Google
4 27 (3.79%) Salesforce.com
5 22 (3.09%) SAP
6 19 (2.67%) Sony
7 12 (1.69%) Greenplum
8 11 (1.54%) New Relic
9 10 (1.40%) IBM
10 9 (1.26%) ServiceNow
11 8 (1.12%) Informatica
12 7 (0.98%) Cognos
12 7 (0.98%) PagerDuty
13 6 (0.84%) Sage
14 5 (0.70%) Alteryx
14 5 (0.70%) Dataiku
14 5 (0.70%) Spotify
15 4 (0.56%) Bloomberg
15 4 (0.56%) Databricks
15 4 (0.56%) Teradata