Period
to 18 January 2019

The table below looks at the prevalence of the term Data Structures in permanent job vacancies advertised in Cardiff. Included is a benchmarking guide to the salaries offered in vacancies that have cited Data Structures over the 6 months to 18 January 2019 with a comparison to the same period over the previous 2 years.

Data Structures
South Wales > Cardiff
6 months to
18 Jan 2019
Same period 2018 Same period 2017
Rank 76 63 97
Rank change year-on-year -13 +34 +17
Permanent jobs citing Data Structures 8 14 8
As % of all permanent IT jobs advertised in Cardiff 0.75% 1.79% 0.65%
As % of the Miscellaneous category 2.40% 5.86% 1.96%
Number of salaries quoted 7 15 8
Cardiff median annual salary £40,000 £26,000 £37,500
Median salary % change year-on-year +53.85% -30.67% +82.93%
10th Percentile £21,250 £21,250 £32,350
90th Percentile £52,400 £47,500 £47,125
South Wales median annual salary £41,000 £26,000 £37,500
% change year-on-year +57.69% -30.67% +53.06%

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 Cardiff with a requirement for generic IT skills.

All Generic IT Skills
Cardiff
Permanent vacancies with a requirement for generic IT skills 334 239 408
As % of all permanent IT jobs advertised in Cardiff 31.42% 30.64% 33.12%
Number of salaries quoted 275 206 381
Cardiff median annual salary £39,000 £37,500 £37,500
Median salary % change year-on-year +4.00% - -
10th Percentile £22,700 £22,375 £24,250
90th Percentile £65,000 £53,125 £62,500
South Wales median annual salary £40,000 £38,250 £37,500
% change year-on-year +4.58% +2.00% +7.14%

Data Structures
Job Vacancy Trend in Cardiff

Job postings citing Data Structures as a percentage of all IT jobs advertised in Cardiff.

Job vacancy trend for Data Structures in Cardiff

Data Structures
Salary Trend in Cardiff

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

Salary trend for Data Structures in Cardiff

Data Structures
Salary Histogram in Cardiff

The salary distribution of IT jobs citing Data Structures in Cardiff over the 6 months to 18 January 2019.

Salary histogram for Data Structures in Cardiff

For the 6 months to 18 January 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 Cardiff region with a requirement for Data Structures.

1 5 (62.50%) Java
1 5 (62.50%) Computer Science
1 5 (62.50%) Degree
2 4 (50.00%) BPMN
2 4 (50.00%) Agile Software Development
2 4 (50.00%) Retail
2 4 (50.00%) Physics
3 3 (37.50%) ES6
3 3 (37.50%) JavaScript
3 3 (37.50%) Mathematics
3 3 (37.50%) TypeScript
3 3 (37.50%) Git (software)
4 2 (25.00%) React
4 2 (25.00%) React Native
4 2 (25.00%) Android Development
4 2 (25.00%) iOS Development
4 2 (25.00%) Ansible
4 2 (25.00%) Algorithms
4 2 (25.00%) Apple iOS
4 2 (25.00%) Android
4 2 (25.00%) RESTful
4 2 (25.00%) Mercurial
4 2 (25.00%) Requirements Analysis
4 2 (25.00%) SQL
4 2 (25.00%) UML
4 2 (25.00%) Artificial Intelligence
4 2 (25.00%) Business Analysis
4 2 (25.00%) Data Modelling
4 2 (25.00%) Project Management
4 2 (25.00%) Validation

Data Structures
Co-occurring IT Skills in Cardiff 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:

Applications
1 1 (12.50%) Chatbot
Cloud Services
1 1 (12.50%) npm
Database & Business Intelligence
1 1 (12.50%) MongoDB
Development Applications
1 3 (37.50%) Git (software)
2 2 (25.00%) Mercurial
General
1 4 (50.00%) Retail
2 1 (12.50%) Automotive
2 1 (12.50%) Electronics
2 1 (12.50%) Finance
2 1 (12.50%) Manufacturing
2 1 (12.50%) Marketing
2 1 (12.50%) Publishing
2 1 (12.50%) Telecoms
Job Titles
1 4 (50.00%) Analyst
2 3 (37.50%) Developer
3 2 (25.00%) Business Analyst
3 2 (25.00%) Business Process Analyst
3 2 (25.00%) Front End Developer (Client-Side Developer)
3 2 (25.00%) Process Analyst
3 2 (25.00%) Technical Analyst
3 2 (25.00%) Technical Business Analyst
4 1 (12.50%) Full Stack Developer
4 1 (12.50%) Machine Learning Engineer
4 1 (12.50%) React Developer
Libraries, Frameworks & Software Standards
1 2 (25.00%) Immutable.js
1 2 (25.00%) React
1 2 (25.00%) React Native
1 2 (25.00%) Redux
1 2 (25.00%) RESTful
2 1 (12.50%) Caffe
2 1 (12.50%) CSS
2 1 (12.50%) CSS3
2 1 (12.50%) HTML
2 1 (12.50%) HTML5
2 1 (12.50%) Jest
2 1 (12.50%) Node.js
2 1 (12.50%) Sass
2 1 (12.50%) TensorFlow
2 1 (12.50%) Torch
Miscellaneous
1 2 (25.00%) Algorithms
2 1 (12.50%) Mobile App
Operating Systems
1 2 (25.00%) Android
1 2 (25.00%) Apple iOS
Processes & Methodologies
1 5 (62.50%) Computer Science
2 4 (50.00%) Agile Software Development
2 4 (50.00%) BPMN
2 4 (50.00%) Physics
3 3 (37.50%) Mathematics
4 2 (25.00%) Android Development
4 2 (25.00%) Artificial Intelligence
4 2 (25.00%) Business Analysis
4 2 (25.00%) Data Modelling
4 2 (25.00%) Front End Development
4 2 (25.00%) iOS Development
4 2 (25.00%) Project Management
4 2 (25.00%) Requirements Analysis
4 2 (25.00%) Stakeholder Management
4 2 (25.00%) UML
4 2 (25.00%) Validation
5 1 (12.50%) Computer Vision
5 1 (12.50%) Decision Tree
5 1 (12.50%) Random Forest
5 1 (12.50%) Wireframes
Programming Languages
1 5 (62.50%) Java
2 3 (37.50%) ES6
2 3 (37.50%) JavaScript
2 3 (37.50%) TypeScript
3 2 (25.00%) ES7
3 2 (25.00%) Java 8
3 2 (25.00%) SQL
4 1 (12.50%) C++
4 1 (12.50%) MATLAB
4 1 (12.50%) Python
4 1 (12.50%) R
4 1 (12.50%) Scala
Qualifications
1 5 (62.50%) Degree
2 1 (12.50%) PhD
Quality Assurance & Compliance
1 1 (12.50%) QA
Systems Management
1 2 (25.00%) Ansible
Vendors
1 1 (12.50%) SAP