Period
to 18 January 2022

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for HDFS skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited HDFS over the 6 months to 18 January 2022 with a comparison to the same period in the previous 2 years.

Hadoop Distributed File System (HDFS)
Central London > City of London
6 months to
18 Jan 2022
Same period 2021 Same period 2020
Rank 242 204 293
Rank change year-on-year -38 +89 +9
Permanent jobs citing HDFS 12 12 14
As % of all permanent jobs advertised in the City of London 0.19% 0.28% 0.15%
As % of the System Software category 1.04% 1.45% 0.86%
Number of salaries quoted 11 12 14
10th Percentile £47,500 - £50,000
25th Percentile £48,750 £52,500 £62,313
Median annual salary (50th Percentile) £57,500 £67,500 £75,000
Median % change year-on-year -14.81% -10.00% -
75th Percentile £66,250 £71,250 £80,938
90th Percentile £80,000 - £90,035
Central London median annual salary £57,500 £67,500 £75,000
% change year-on-year -14.81% -10.00% -

HDFS is in the System Software 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 system software skills.

All System Software Skills
City of London
Permanent vacancies with a requirement for system software skills 1,157 825 1,621
As % of all permanent IT jobs advertised in the City of London 18.76% 19.45% 17.76%
Number of salaries quoted 1,075 728 1,456
10th Percentile £35,500 £42,500 £27,000
25th Percentile £53,750 £52,500 £40,750
Median annual salary (50th Percentile) £75,000 £70,000 £65,000
Median % change year-on-year +7.14% +7.69% +4.00%
75th Percentile £95,000 £85,000 £82,500
90th Percentile £110,000 £95,900 £96,250
Central London median annual salary £70,000 £67,500 £62,500
% change year-on-year +3.70% +8.00% +4.17%

HDFS
Job Vacancy Trend in the City of London

Job postings citing HDFS as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for HDFS in the City of London

HDFS
Salary Trend in the City of London

3-month moving average salary quoted in jobs citing HDFS in the City of London.

Salary trend for HDFS in the City of London

HDFS
Salary Histogram in the City of London

Salary distribution for jobs citing HDFS in the City of London over the 6 months to 18 January 2022.

Salary histogram for HDFS in the City of London

For the 6 months to 18 January 2022, IT jobs citing HDFS 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 HDFS.

1 12 (100.00%) SQL
1 12 (100.00%) Python
1 12 (100.00%) Software Engineering
1 12 (100.00%) Hadoop
1 12 (100.00%) Analytics
2 11 (91.67%) Mentoring
2 11 (91.67%) Agile Software Development
2 11 (91.67%) Java
3 10 (83.33%) PL/SQL
3 10 (83.33%) Data Warehouse
3 10 (83.33%) Data Modelling
3 10 (83.33%) ETL
3 10 (83.33%) SAS
3 10 (83.33%) MySQL
3 10 (83.33%) Oracle
3 10 (83.33%) Unix
3 10 (83.33%) Software Testing
3 10 (83.33%) Informatica
3 10 (83.33%) PostgreSQL
3 10 (83.33%) Scrum
3 10 (83.33%) Impala
3 10 (83.33%) HiveQL
3 10 (83.33%) Amazon Redshift
3 10 (83.33%) Apache Hive
3 10 (83.33%) Pentaho
3 10 (83.33%) Process Improvement
3 10 (83.33%) Talend
3 10 (83.33%) Software Delivery
3 10 (83.33%) Public Sector
3 10 (83.33%) Requirements Gathering

HDFS
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 10 (83.33%) SAS
2 2 (16.67%) Apache Spark
3 1 (8.33%) Confluence
3 1 (8.33%) Elasticsearch
Cloud Services
1 2 (16.67%) AWS
1 2 (16.67%) Azure
1 2 (16.67%) GCP
2 1 (8.33%) Azure Machine Learning
2 1 (8.33%) Power Platform
2 1 (8.33%) Tricentis Tosca
Database & Business Intelligence
1 12 (100.00%) Hadoop
2 10 (83.33%) Amazon Redshift
2 10 (83.33%) Apache Hive
2 10 (83.33%) Data Warehouse
2 10 (83.33%) Impala
2 10 (83.33%) MySQL
2 10 (83.33%) Pentaho
2 10 (83.33%) PostgreSQL
3 2 (16.67%) Big Data
4 1 (8.33%) Amazon RDS
4 1 (8.33%) BusinessObjects
4 1 (8.33%) DB2
4 1 (8.33%) NoSQL
4 1 (8.33%) Power BI
Development Applications
1 1 (8.33%) Bitbucket
1 1 (8.33%) Git (software)
1 1 (8.33%) GitLab
1 1 (8.33%) Jenkins
1 1 (8.33%) JIRA
General
1 10 (83.33%) Public Sector
2 2 (16.67%) Finance
3 1 (8.33%) Analytical Skills
3 1 (8.33%) Banking
3 1 (8.33%) Law
Job Titles
1 10 (83.33%) Data Engineer
2 6 (50.00%) Informatica Engineer
3 1 (8.33%) Data Analytics Engineer
3 1 (8.33%) Data Scientist
3 1 (8.33%) Software Engineer
Libraries, Frameworks & Software Standards
1 1 (8.33%) Kafka
1 1 (8.33%) PyTorch
1 1 (8.33%) RESTful
1 1 (8.33%) TensorFlow
Miscellaneous
1 1 (8.33%) Equities
Operating Systems
1 10 (83.33%) Unix
2 1 (8.33%) Linux
Processes & Methodologies
1 12 (100.00%) Analytics
1 12 (100.00%) Software Engineering
2 11 (91.67%) Agile Software Development
2 11 (91.67%) Mentoring
3 10 (83.33%) Data Modelling
3 10 (83.33%) ETL
3 10 (83.33%) Process Improvement
3 10 (83.33%) Requirements Gathering
3 10 (83.33%) Scrum
3 10 (83.33%) Software Delivery
3 10 (83.33%) Software Testing
4 9 (75.00%) Coaching
5 1 (8.33%) API Integration
5 1 (8.33%) Data Analytics
5 1 (8.33%) Data Engineering
5 1 (8.33%) Data Science
5 1 (8.33%) Deep Learning
5 1 (8.33%) Machine Learning
5 1 (8.33%) Performance Metrics
5 1 (8.33%) Sentiment Analysis
Programming Languages
1 12 (100.00%) Python
1 12 (100.00%) SQL
2 11 (91.67%) Java
3 10 (83.33%) HiveQL
3 10 (83.33%) PL/SQL
4 1 (8.33%) R
4 1 (8.33%) Scala
Qualifications
1 1 (8.33%) PhD
System Software
1 1 (8.33%) Docker
Systems Management
1 1 (8.33%) Ansible
Vendors
1 10 (83.33%) Informatica
1 10 (83.33%) Oracle
1 10 (83.33%) Talend