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

Data Structures
England > London
6 months to
19 Oct 2021
Same period 2020 Same period 2019
Rank 196 228 261
Rank change year-on-year +32 +33 -4
Permanent jobs citing Data Structures 933 275 726
As % of all permanent jobs advertised in London 1.85% 1.40% 1.34%
As % of the Miscellaneous category 4.15% 3.50% 3.51%
Number of salaries quoted 513 224 577
10th Percentile £47,500 £45,000 £43,829
25th Percentile £61,250 £58,438 £56,250
Median annual salary (50th Percentile) £80,000 £75,000 £72,500
Median % change year-on-year +6.67% +3.45% +7.41%
75th Percentile £100,000 £95,000 £87,500
90th Percentile £120,000 £145,000 £119,250
England median annual salary £67,500 £61,250 £65,000
% change year-on-year +10.20% -5.77% +4.00%

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 22,498 7,854 20,692
As % of all permanent IT jobs advertised in London 44.56% 40.08% 38.09%
Number of salaries quoted 13,228 6,651 16,318
10th Percentile £42,500 £42,500 £36,250
25th Percentile £53,750 £54,477 £47,500
Median annual salary (50th Percentile) £72,500 £72,500 £66,000
Median % change year-on-year - +9.85% +1.54%
75th Percentile £93,750 £95,000 £85,000
90th Percentile £112,500 £120,000 £105,000
England median annual salary £60,000 £57,500 £55,000
% change year-on-year +4.35% +4.55% +4.76%

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 October 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 October 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 +1 122 £87,500 +9.38% 70
West London -42 34 £53,651 +49.03% 19
South London -14 16 £80,000 +45.45% 4
East London -20 6 £45,000 -30.77% 26
Data Structures
England

For the 6 months to 19 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 London region with a requirement for Data Structures.

1 556 (59.59%) Algorithms
2 372 (39.87%) Python
3 368 (39.44%) Java
4 330 (35.37%) Software Engineering
5 308 (33.01%) Agile Software Development
6 299 (32.05%) AWS
7 270 (28.94%) Social Skills
8 254 (27.22%) Computer Science
9 253 (27.12%) SQL
10 244 (26.15%) Finance
11 239 (25.62%) JavaScript
12 233 (24.97%) Degree
13 192 (20.58%) Docker
14 176 (18.86%) React
15 169 (18.11%) Microservices
16 168 (18.01%) Analytical Skills
17 163 (17.47%) Git (software)
17 163 (17.47%) C++
18 156 (16.72%) DevOps
19 154 (16.51%) Analytics
20 153 (16.40%) OO
21 152 (16.29%) Linux
22 151 (16.18%) Full Stack Development
23 149 (15.97%) Azure
24 148 (15.86%) Problem-Solving
25 145 (15.54%) TDD
26 138 (14.79%) Spring
26 138 (14.79%) Data Science
27 134 (14.36%) Kubernetes
28 118 (12.65%) Continuous Integration

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 75 (8.04%) Apache Spark
2 34 (3.64%) Apache Airflow
3 29 (3.11%) Elasticsearch
4 21 (2.25%) Confluence
5 20 (2.14%) Gunicorn
6 16 (1.71%) SAS
7 11 (1.18%) Tomcat
8 10 (1.07%) CMS
9 9 (0.96%) JBoss
10 8 (0.86%) WebSphere
11 6 (0.64%) Drupal
11 6 (0.64%) IBM HTTP Server
11 6 (0.64%) Luigi
11 6 (0.64%) Oracle Workflow
11 6 (0.64%) WordPress
12 5 (0.54%) Apache
12 5 (0.54%) Ethereum
12 5 (0.54%) nginx
13 4 (0.43%) Apache Pig
14 3 (0.32%) NServiceBus
Applications
1 18 (1.93%) Microsoft Excel
2 12 (1.29%) Microsoft Office
3 4 (0.43%) MS Visio
3 4 (0.43%) Sketch
4 1 (0.11%) Adobe Illustrator
4 1 (0.11%) Adobe XD
4 1 (0.11%) Photoshop
Business Applications
1 8 (0.86%) Summit
2 4 (0.43%) MetaTrader
3 3 (0.32%) NetSuite
3 3 (0.32%) SAP Retail
3 3 (0.32%) Sentinel
4 2 (0.21%) Dynamics CRM
4 2 (0.21%) Hyperion Planning
4 2 (0.21%) IBM Planning Analytics
4 2 (0.21%) Oracle Procure-to-Pay
4 2 (0.21%) SAP R/3
5 1 (0.11%) Oracle EBS
5 1 (0.11%) Oracle Financials
5 1 (0.11%) Salesforce.com CRM
5 1 (0.11%) Teamcenter
5 1 (0.11%) Workfront
Cloud Services
1 299 (32.05%) AWS
2 149 (15.97%) Azure
3 63 (6.75%) GCP
4 58 (6.22%) Serverless
5 52 (5.57%) SaaS
6 51 (5.47%) npm
7 42 (4.50%) GitHub
7 42 (4.50%) Power Platform
8 41 (4.39%) Snowflake
9 36 (3.86%) AWS CloudFormation
10 33 (3.54%) AWS Lambda
11 28 (3.00%) Amazon S3
12 23 (2.47%) Amazon EC2
13 16 (1.71%) Amazon EMR
13 16 (1.71%) Azure Data Factory
13 16 (1.71%) PaaS
14 12 (1.29%) Microsoft 365
15 11 (1.18%) Amazon Kinesis
15 11 (1.18%) Cloud Computing
16 10 (1.07%) GitHub Actions
Communications & Networking
1 23 (2.47%) HTTP
2 12 (1.29%) Internet
3 11 (1.18%) TCP/IP
4 6 (0.64%) Broadband
5 2 (0.21%) 5G
5 2 (0.21%) Reverse Proxy
6 1 (0.11%) DNS
6 1 (0.11%) Intranet
6 1 (0.11%) Multicast
6 1 (0.11%) Unicast
Database & Business Intelligence
1 108 (11.58%) PostgreSQL
2 99 (10.61%) Relational Database
3 84 (9.00%) Data Warehouse
4 75 (8.04%) Big Data
5 74 (7.93%) MongoDB
5 74 (7.93%) NoSQL
6 45 (4.82%) Apache Cassandra
7 42 (4.50%) SQL Server
8 41 (4.39%) Power BI
9 39 (4.18%) Hadoop
10 38 (4.07%) MySQL
11 35 (3.75%) Redis
12 34 (3.64%) Metadata
13 33 (3.54%) Data Mining
14 29 (3.11%) Tableau
15 24 (2.57%) Data Lake
16 22 (2.36%) Amazon RDS
16 22 (2.36%) KDB
17 19 (2.04%) BusinessObjects
17 19 (2.04%) Kalido
Development Applications
1 163 (17.47%) Git (software)
2 84 (9.00%) JIRA
3 67 (7.18%) Jenkins
4 27 (2.89%) webpack
5 25 (2.68%) gulp
6 19 (2.04%) Bower
6 19 (2.04%) GitLab
7 17 (1.82%) CircleCI
8 16 (1.71%) Maven
9 15 (1.61%) Subversion
9 15 (1.61%) TeamCity
10 12 (1.29%) Gradle
10 12 (1.29%) JUnit
11 11 (1.18%) JMeter
12 10 (1.07%) Mercurial
12 10 (1.07%) Sonatype Nexus
12 10 (1.07%) Travis CI
13 9 (0.96%) Gatling
14 8 (0.86%) Cypress.io
15 5 (0.54%) Log4j
General
1 270 (28.94%) Social Skills
2 244 (26.15%) Finance
3 168 (18.01%) Analytical Skills
4 53 (5.68%) Front Office
5 52 (5.57%) Banking
6 41 (4.39%) Inclusion and Diversity
7 40 (4.29%) Advertising
8 36 (3.86%) Law
8 36 (3.86%) Retail
9 27 (2.89%) Manufacturing
10 22 (2.36%) Investment Banking
11 20 (2.14%) Financial Institution
12 19 (2.04%) Marketing
13 17 (1.82%) Games
13 17 (1.82%) Presentation Skills
14 16 (1.71%) Automotive
14 16 (1.71%) Legal
14 16 (1.71%) Publishing
15 12 (1.29%) Russian Language
16 11 (1.18%) Music Industry
Job Titles
1 390 (41.80%) Developer
2 147 (15.76%) Software Engineer
3 137 (14.68%) Java Developer
4 70 (7.50%) Senior Developer
5 63 (6.75%) Backend Developer
6 62 (6.65%) Analyst
6 62 (6.65%) Data Engineer
7 54 (5.79%) Python Developer
8 53 (5.68%) Full Stack Developer
9 51 (5.47%) Architect
10 45 (4.82%) Senior Software Engineer
11 39 (4.18%) Senior Java Developer
12 35 (3.75%) Python Engineer
13 31 (3.32%) Senior Data Engineer
14 29 (3.11%) Front End Developer (Client-Side Developer)
15 28 (3.00%) Core Java Developer
16 27 (2.89%) Data Architect
16 27 (2.89%) Java Developer - Fintech
17 25 (2.68%) JavaScript Developer
18 24 (2.57%) Data Analyst
Libraries, Frameworks & Software Standards
1 176 (18.86%) React
2 138 (14.79%) Spring
3 114 (12.22%) HTML
4 102 (10.93%) Kafka
5 98 (10.50%) Node.js
6 96 (10.29%) AngularJS
7 92 (9.86%) CSS
8 88 (9.43%) REST
9 83 (8.90%) .NET
10 82 (8.79%) Web Services
11 61 (6.54%) JSON
12 57 (6.11%) Spring Boot
13 55 (5.89%) Pandas
14 48 (5.14%) RESTful
15 47 (5.04%) HTML5
16 44 (4.72%) RabbitMQ
17 43 (4.61%) XML
18 42 (4.50%) Vue.js
19 40 (4.29%) Flask
20 39 (4.18%) Django
Miscellaneous
1 556 (59.59%) Algorithms
2 68 (7.29%) User Experience
3 51 (5.47%) Derivative
4 45 (4.82%) Self-Motivation
5 40 (4.29%) Virtual Team
6 37 (3.97%) Enterprise Software
7 32 (3.43%) Mobile App
8 28 (3.00%) Management Information System
9 22 (2.36%) Robotics
10 20 (2.14%) Greenfield Project
10 20 (2.14%) Hedge funds
11 19 (2.04%) Fixed Income
12 16 (1.71%) Cloud Native
13 15 (1.61%) Foreign Exchange (FX)
14 14 (1.50%) CUDA
14 14 (1.50%) Industry 4.0
15 12 (1.29%) NHS
16 11 (1.18%) Blog
16 11 (1.18%) Housing Association
17 10 (1.07%) Augmented Reality
Operating Systems
1 152 (16.29%) Linux
2 60 (6.43%) Unix
3 21 (2.25%) Windows
4 13 (1.39%) Android
5 12 (1.29%) Apple iOS
6 9 (0.96%) Mac OS
7 4 (0.43%) watchOS
8 3 (0.32%) DC/OS
9 2 (0.21%) CentOS
9 2 (0.21%) Robot Operating System
9 2 (0.21%) Ubuntu
10 1 (0.11%) Alpine Linux
10 1 (0.11%) Red Hat Enterprise Linux
10 1 (0.11%) Windows 10
10 1 (0.11%) Windows Server
10 1 (0.11%) Windows Server 2016
Processes & Methodologies
1 330 (35.37%) Software Engineering
2 308 (33.01%) Agile Software Development
3 254 (27.22%) Computer Science
4 169 (18.11%) Microservices
5 156 (16.72%) DevOps
6 154 (16.51%) Analytics
7 153 (16.40%) OO
8 151 (16.18%) Full Stack Development
9 148 (15.86%) Problem-Solving
10 145 (15.54%) TDD
11 138 (14.79%) Data Science
12 118 (12.65%) Continuous Integration
13 117 (12.54%) OOP
14 113 (12.11%) Artificial Intelligence
15 107 (11.47%) Multithreading
16 106 (11.36%) SDLC
17 98 (10.50%) Clean Code
18 95 (10.18%) Business Intelligence
19 94 (10.08%) Machine Learning
20 93 (9.97%) Front End Development
Programming Languages
1 372 (39.87%) Python
2 368 (39.44%) Java
3 253 (27.12%) SQL
4 239 (25.62%) JavaScript
5 163 (17.47%) C++
6 97 (10.40%) C#
6 97 (10.40%) TypeScript
7 74 (7.93%) Go
8 71 (7.61%) Java 8
9 56 (6.00%) ES6
10 52 (5.57%) C
10 52 (5.57%) Scala
11 51 (5.47%) Kotlin
12 33 (3.54%) Bash Shell
13 23 (2.47%) PHP
14 20 (2.14%) Objective-C
15 16 (1.71%) Rust
16 15 (1.61%) Groovy
16 15 (1.61%) Ruby
17 13 (1.39%) Clojure
Qualifications
1 233 (24.97%) Degree
2 106 (11.36%) Computer Science Degree
3 26 (2.79%) Master's Degree
4 11 (1.18%) HND
5 8 (0.86%) Security Cleared
6 7 (0.75%) SAS Certification
7 6 (0.64%) BPSS Clearance
7 6 (0.64%) Numerate Degree
8 5 (0.54%) PhD
9 3 (0.32%) ISEB
9 3 (0.32%) SC Cleared
10 2 (0.21%) AAT
10 2 (0.21%) Postgraduate
11 1 (0.11%) ACCA
11 1 (0.11%) CIMA
11 1 (0.11%) IBM Certification
Quality Assurance & Compliance
1 38 (4.07%) QA
2 35 (3.75%) Data Quality
3 25 (2.68%) Accessibility
4 22 (2.36%) GRC
5 17 (1.82%) GDPR
6 6 (0.64%) CDISC
7 4 (0.43%) ISO/IEC 27001
7 4 (0.43%) SOC 2
8 3 (0.32%) HIPAA
9 2 (0.21%) WCAG
10 1 (0.11%) ISO 20022
10 1 (0.11%) PMO
System Software
1 192 (20.58%) Docker
2 13 (1.39%) Active Directory
3 11 (1.18%) Apache ZooKeeper
3 11 (1.18%) etcd
4 2 (0.21%) HDFS
4 2 (0.21%) VMware Infrastructure
5 1 (0.11%) Firmware
Systems Management
1 134 (14.36%) Kubernetes
2 62 (6.65%) Terraform
3 17 (1.82%) Grafana
3 17 (1.82%) Prometheus
4 15 (1.61%) Puppet
5 13 (1.39%) Opscode Chef
6 11 (1.18%) Consul
6 11 (1.18%) Kibana
6 11 (1.18%) logstash
7 9 (0.96%) Istio
8 8 (0.86%) Ansible
9 3 (0.32%) Apache Brooklyn
9 3 (0.32%) Marathon
9 3 (0.32%) Mesos
9 3 (0.32%) Tivoli
Vendors
1 95 (10.18%) Oracle
2 65 (6.97%) Google
3 57 (6.11%) Microsoft
4 23 (2.47%) Alibaba
5 20 (2.14%) Greenplum
6 19 (2.04%) Salesforce.com
6 19 (2.04%) SAP
6 19 (2.04%) Sony
7 18 (1.93%) IBM
8 15 (1.61%) Informatica
9 12 (1.29%) Teradata
10 11 (1.18%) Solace
11 10 (1.07%) ServiceNow
12 6 (0.64%) Huawei
12 6 (0.64%) Netlify
12 6 (0.64%) New Relic
13 5 (0.54%) Alteryx
13 5 (0.54%) Talend
14 4 (0.43%) Apple
14 4 (0.43%) MuleSoft