Period
to 23 October 2021

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for Flink skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Flink over the 6 months to 23 October 2021 with a comparison to the same period in the previous 2 years.

Apache Flink
Central London > City of London
6 months to
23 Oct 2021
Same period 2020 Same period 2019
Rank 240 191 313
Rank change year-on-year -49 +122 +44
Permanent jobs citing Flink 24 2 14
As % of all permanent jobs advertised in the City of London 0.40% 0.055% 0.14%
As % of the Database & Business Intelligence category 1.35% 0.20% 0.46%
Number of salaries quoted 23 2 13
10th Percentile " " £80,500
25th Percentile £85,000 £85,000 £82,500
Median annual salary (50th Percentile) £90,000 £100,000 £105,000
Median % change year-on-year -10.00% -4.76% +40.00%
75th Percentile £95,000 £115,000 £112,500
90th Percentile " " "
Central London median annual salary £90,000 £100,000 £87,500
% change year-on-year -10.00% +14.29% +16.67%

Flink is in the Databases and Business Intelligence 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 database or business intelligence skills.

All Database and Business Intelligence Skills
City of London
Permanent vacancies with a requirement for database or business intelligence skills 1,782 1,011 3,055
As % of all permanent IT jobs advertised in the City of London 29.97% 27.81% 30.60%
Number of salaries quoted 1,580 845 2,740
10th Percentile £46,250 £42,500 £42,500
25th Percentile £56,250 £52,500 £52,500
Median annual salary (50th Percentile) £72,500 £70,000 £67,500
Median % change year-on-year +3.57% +3.70% +3.85%
75th Percentile £95,000 £85,000 £85,000
90th Percentile £108,750 £100,000 £100,000
Central London median annual salary £72,500 £70,000 £65,000
% change year-on-year +3.57% +7.69% -

Flink
Job Vacancy Trend in the City of London

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

Job vacancy trend for Flink in the City of London

Flink
Salary Trend in the City of London

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

Salary trend for Flink in the City of London

Flink
Salary Histogram in the City of London

Salary distribution for jobs citing Flink in the City of London over the 6 months to 23 October 2021.

Salary histogram for Flink in the City of London

For the 6 months to 23 October 2021, IT jobs citing Flink 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 Flink.

1 24 (100.00%) Java
2 23 (95.83%) Big Data
3 22 (91.67%) Hadoop
3 22 (91.67%) Agile Software Development
4 20 (83.33%) Multithreading
4 20 (83.33%) Concurrent Programming
4 20 (83.33%) Fintech
5 4 (16.67%) Apache Spark
5 4 (16.67%) Scala
6 3 (12.50%) Data Engineering
6 3 (12.50%) NoSQL
6 3 (12.50%) Kafka
6 3 (12.50%) Git (software)
6 3 (12.50%) Python
6 3 (12.50%) SQL
6 3 (12.50%) Data Pipeline
7 2 (8.33%) Snowflake
7 2 (8.33%) Metadata
7 2 (8.33%) Kubernetes
7 2 (8.33%) Apache Airflow
7 2 (8.33%) IT Strategy
7 2 (8.33%) Data Strategy
7 2 (8.33%) Data Warehouse
7 2 (8.33%) Apache
7 2 (8.33%) Data Management
7 2 (8.33%) Subversion
7 2 (8.33%) Data Quality
7 2 (8.33%) Open Source
7 2 (8.33%) BigQuery
7 2 (8.33%) GCP

Flink
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 4 (16.67%) Apache Spark
2 2 (8.33%) Apache
2 2 (8.33%) Apache Airflow
3 1 (4.17%) Confluence
Cloud Services
1 2 (8.33%) GCP
1 2 (8.33%) Snowflake
2 1 (4.17%) AWS
2 1 (4.17%) Azure
Communications & Networking
1 1 (4.17%) Network Security
Database & Business Intelligence
1 23 (95.83%) Big Data
2 22 (91.67%) Hadoop
3 3 (12.50%) NoSQL
4 2 (8.33%) Amazon Redshift
4 2 (8.33%) BigQuery
4 2 (8.33%) Data Warehouse
4 2 (8.33%) Metadata
5 1 (4.17%) MySQL
5 1 (4.17%) Parquet
5 1 (4.17%) PostgreSQL
Development Applications
1 3 (12.50%) Git (software)
2 2 (8.33%) Subversion
3 1 (4.17%) Artifactory
3 1 (4.17%) Jenkins
3 1 (4.17%) JIRA
3 1 (4.17%) Maven
3 1 (4.17%) Octopus Deploy
3 1 (4.17%) Sonatype Nexus
3 1 (4.17%) TeamCity
General
1 1 (4.17%) Finance
1 1 (4.17%) Financial Institution
1 1 (4.17%) Social Skills
Job Titles
1 20 (83.33%) Developer
1 20 (83.33%) Java Developer
1 20 (83.33%) Senior Developer
1 20 (83.33%) Senior Java Developer
2 4 (16.67%) Data Engineer
3 2 (8.33%) Big Data Developer
3 2 (8.33%) Java Developer - Fintech
3 2 (8.33%) Principal Engineer
3 2 (8.33%) Senior Big Data Developer
4 1 (4.17%) Architect
4 1 (4.17%) Big Data Engineer
4 1 (4.17%) Data Architect
4 1 (4.17%) Principal Architect
4 1 (4.17%) Principal Data Architect
Libraries, Frameworks & Software Standards
1 3 (12.50%) Kafka
2 1 (4.17%) Apache Avro
2 1 (4.17%) JSON
2 1 (4.17%) Protocol Buffers
2 1 (4.17%) YAML
Miscellaneous
1 1 (4.17%) Enterprise Software
1 1 (4.17%) Media Streaming
1 1 (4.17%) Public Cloud
Operating Systems
1 1 (4.17%) Linux
Processes & Methodologies
1 22 (91.67%) Agile Software Development
2 20 (83.33%) Concurrent Programming
2 20 (83.33%) Fintech
2 20 (83.33%) Multithreading
3 3 (12.50%) Data Engineering
3 3 (12.50%) Data Pipeline
4 2 (8.33%) Data Management
4 2 (8.33%) Data Strategy
4 2 (8.33%) IT Strategy
4 2 (8.33%) Metadata Management
4 2 (8.33%) Open Source
5 1 (4.17%) Continuous Integration
5 1 (4.17%) Cybersecurity
5 1 (4.17%) Data Mapping
5 1 (4.17%) Kanban
5 1 (4.17%) OO
5 1 (4.17%) OOP
5 1 (4.17%) Scrum
5 1 (4.17%) TDD
5 1 (4.17%) Use Case
Programming Languages
1 24 (100.00%) Java
2 4 (16.67%) Scala
3 3 (12.50%) Python
3 3 (12.50%) SQL
4 1 (4.17%) Bash Shell
4 1 (4.17%) Go
4 1 (4.17%) Haskell
4 1 (4.17%) PowerShell
Quality Assurance & Compliance
1 2 (8.33%) Data Quality
System Software
1 1 (4.17%) Docker
Systems Management
1 2 (8.33%) Kubernetes
Vendors
1 1 (4.17%) VMware