Period
to 25 May 2020

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Functional Programming skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Functional Programming over the 6 months to 25 May 2020 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Functional Programming
Central London > City of London
6 months to
25 May 2020
Same period 2019 Same period 2018
Rank 128 220 216
Rank change year-on-year +92 -4 -25
Contract jobs citing Functional Programming 27 22 38
As % of all contract jobs advertised in the City of London 0.86% 0.34% 0.54%
As % of the Processes & Methodologies category 0.98% 0.38% 0.61%
Number of daily rates quoted 21 23 37
Median daily rate £650 £650 £575
Median daily rate % change year-on-year - +13.04% -8.00%
10th Percentile £495 £483 £420
90th Percentile £763 £700 £688
Central London median daily rate £625 £650 £525
% change year-on-year -3.85% +23.81% -16.00%
Number of hourly rates quoted 2 0 0
Median hourly rate £48.89 - -
Central London median hourly rate £48.89 - -

Functional Programming is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for process or methodology skills.

All Process and Methodology Skills
City of London
Contract vacancies with a requirement for process or methodology skills 2,753 5,792 6,184
As % of all contract IT jobs advertised in the City of London 87.23% 89.53% 88.63%
Number of daily rates quoted 1,959 4,448 4,882
Median daily rate £513 £525 £502
Median daily rate % change year-on-year -2.38% +4.69% +0.30%
10th Percentile £331 £348 £327
90th Percentile £675 £675 £688
Central London median daily rate £500 £525 £500
% change year-on-year -4.76% +5.00% +5.26%
Number of hourly rates quoted 61 60 98
Median hourly rate £27.50 £21.32 £18.85
Median hourly rate % change year-on-year +28.97% +13.12% +0.80%
10th Percentile £12.42 £11.25 £12.29
90th Percentile £52.25 £56.50 £38.48
Median hourly rate £35.00 £21.34 £20.00
% change year-on-year +64.01% +6.70% +17.92%

Functional Programming
Job Vacancy Trend in the City of London

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

Job vacancy trend for Functional Programming in the City of London

Functional Programming
Contractor Daily Rate Trend in the City of London

3-month moving average daily rate quoted in jobs citing Functional Programming in the City of London.

Daily rate trend for Functional Programming in the City of London

Functional Programming
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Functional Programming in the City of London over the 6 months to 25 May 2020.

Daily rate histogram for Functional Programming in the City of London

For the 6 months to 25 May 2020, IT contractor jobs citing Functional Programming also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the City of London region with a requirement for Functional Programming.

1 14 (51.85%) Agile Software Development
2 13 (48.15%) TDD
3 12 (44.44%) Java
4 11 (40.74%) Scala
5 10 (37.04%) DevOps
5 10 (37.04%) JavaScript
6 9 (33.33%) Software Engineering
6 9 (33.33%) Computer Science
7 7 (25.93%) Python
7 7 (25.93%) Kafka
8 6 (22.22%) REST
8 6 (22.22%) Kubernetes
8 6 (22.22%) Docker
8 6 (22.22%) SQL
8 6 (22.22%) Spring
8 6 (22.22%) JIRA
8 6 (22.22%) Degree
8 6 (22.22%) Computer Science Degree
9 5 (18.52%) Finance
9 5 (18.52%) Microservices
9 5 (18.52%) Apache Spark
9 5 (18.52%) Continuous Integration
10 4 (14.81%) TypeScript
10 4 (14.81%) Kanban
10 4 (14.81%) Scrum
10 4 (14.81%) Pair Programming
10 4 (14.81%) Master's Degree
11 3 (11.11%) PySpark
11 3 (11.11%) Linux Command Line
11 3 (11.11%) Travis CI

Functional Programming
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 5 (18.52%) Apache Spark
2 2 (7.41%) Confluence
2 2 (7.41%) Elasticsearch
3 1 (3.70%) Camunda
Business Applications
1 2 (7.41%) Distributed Ledger
Cloud Services
1 3 (11.11%) AWS
2 2 (7.41%) Amazon S3
2 2 (7.41%) SaaS
3 1 (3.70%) GCP
3 1 (3.70%) IaaS
3 1 (3.70%) PaaS
Communications & Networking
1 2 (7.41%) HTTP
Database & Business Intelligence
1 3 (11.11%) Hadoop
1 3 (11.11%) HBase
2 2 (7.41%) Amazon Athena
2 2 (7.41%) Amazon DynamoDB
2 2 (7.41%) Blockchain
2 2 (7.41%) Data Lake
2 2 (7.41%) Spark SQL
3 1 (3.70%) MongoDB
3 1 (3.70%) MySQL
3 1 (3.70%) NoSQL
3 1 (3.70%) PostgreSQL
3 1 (3.70%) Redis
3 1 (3.70%) Relational Database
Development Applications
1 6 (22.22%) JIRA
2 3 (11.11%) Clang
2 3 (11.11%) Jenkins
2 3 (11.11%) Travis CI
3 1 (3.70%) Git (software)
3 1 (3.70%) IntelliJ
3 1 (3.70%) Maven
General
1 5 (18.52%) Finance
2 3 (11.11%) Retail Banking
3 2 (7.41%) Advertising
4 1 (3.70%) Back Office
4 1 (3.70%) Financial Institution
4 1 (3.70%) Publishing
4 1 (3.70%) Retail
Job Titles
1 16 (59.26%) Developer
2 8 (29.63%) Java Developer
3 6 (22.22%) Scala Developer
4 3 (11.11%) Architect
4 3 (11.11%) Hadoop Developer
4 3 (11.11%) Java Hadoop Developer
5 2 (7.41%) Apache Spark Developer
5 2 (7.41%) Compiler Engineer
5 2 (7.41%) Data Engineer
5 2 (7.41%) Software Architect
5 2 (7.41%) Software Engineer
5 2 (7.41%) SQL Developer
6 1 (3.70%) Applications Support Analyst
6 1 (3.70%) AWS Developer
6 1 (3.70%) C++ Software Engineer
6 1 (3.70%) E-Commerce Developer
6 1 (3.70%) Java Scala Developer
6 1 (3.70%) Quantitative Developer
6 1 (3.70%) React Developer
6 1 (3.70%) Ruby on Rails Developer
Libraries, Frameworks & Software Standards
1 7 (25.93%) Kafka
2 6 (22.22%) REST
2 6 (22.22%) Spring
3 3 (11.11%) Akka
3 3 (11.11%) PySpark
4 2 (7.41%) .NET
4 2 (7.41%) GraphQL
4 2 (7.41%) Smart Contracts
4 2 (7.41%) Spring Boot
5 1 (3.70%) .NET Framework
5 1 (3.70%) Apache Camel
5 1 (3.70%) CSS
5 1 (3.70%) gRPC
5 1 (3.70%) HTML
5 1 (3.70%) Node.js
5 1 (3.70%) Play Framework
5 1 (3.70%) React
5 1 (3.70%) React Native
5 1 (3.70%) Ruby on Rails
5 1 (3.70%) RxJS
Miscellaneous
1 3 (11.11%) Linux Command Line
1 3 (11.11%) Video on Demand
2 2 (7.41%) Algorithms
2 2 (7.41%) N-Tier
2 2 (7.41%) User Experience
2 2 (7.41%) Video\Live Streaming
3 1 (3.70%) Client/Server
3 1 (3.70%) Data Structures
3 1 (3.70%) Semantic Web
3 1 (3.70%) Social Media
3 1 (3.70%) Social Network
Operating Systems
1 3 (11.11%) Unix
2 2 (7.41%) Linux
2 2 (7.41%) Windows
Processes & Methodologies
1 14 (51.85%) Agile Software Development
2 13 (48.15%) TDD
3 10 (37.04%) DevOps
4 9 (33.33%) Computer Science
4 9 (33.33%) Software Engineering
5 5 (18.52%) Continuous Integration
5 5 (18.52%) Microservices
6 4 (14.81%) Kanban
6 4 (14.81%) Pair Programming
6 4 (14.81%) Scrum
7 3 (11.11%) BDD
7 3 (11.11%) OO
7 3 (11.11%) OOP
7 3 (11.11%) Performance Optimisation
7 3 (11.11%) Performance Testing
7 3 (11.11%) Performance Tuning
7 3 (11.11%) SDLC
7 3 (11.11%) Software Architecture
8 2 (7.41%) Acceptance Criteria
8 2 (7.41%) Continuous Deployment
Programming Languages
1 12 (44.44%) Java
2 11 (40.74%) Scala
3 10 (37.04%) JavaScript
4 7 (25.93%) Python
5 6 (22.22%) SQL
6 4 (14.81%) TypeScript
7 3 (11.11%) C++
7 3 (11.11%) Haskell
7 3 (11.11%) Objective-C
7 3 (11.11%) R
8 1 (3.70%) C#
8 1 (3.70%) F#
8 1 (3.70%) Java 8
8 1 (3.70%) Ruby
Qualifications
1 6 (22.22%) Computer Science Degree
1 6 (22.22%) Degree
2 4 (14.81%) Master's Degree
Quality Assurance & Compliance
1 2 (7.41%) MiFID
System Software
1 6 (22.22%) Docker
2 3 (11.11%) HDFS
Systems Management
1 6 (22.22%) Kubernetes
2 3 (11.11%) Hadoop YARN
3 2 (7.41%) Grafana
3 2 (7.41%) Kibana
3 2 (7.41%) Prometheus
3 2 (7.41%) Terraform
Vendors
1 2 (7.41%) GoldenSource
2 1 (3.70%) Salesforce.com