Period
to 7 December 2019

The following table provides summary statistics for contract job vacancies advertised in Central London with a requirement for Scala skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Scala over the 6 months to 7 December 2019 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.

Scala
London > Central London
6 months to
7 Dec 2019
Same period 2018 Same period 2017
Rank 88 125 106
Rank change year-on-year +37 -19 -30
Contract jobs citing Scala 195 207 216
As % of all contract IT jobs advertised in Central London 2.73% 2.22% 2.49%
As % of the Programming Languages category 5.56% 4.14% 4.84%
Number of daily rates quoted 166 165 189
Central London median daily rate £600 £600 £575
Median daily rate % change year-on-year - +4.35% +4.55%
10th Percentile £473 £500 £475
90th Percentile £700 £720 £700
London median daily rate £577 £586 £550
% change year-on-year -1.58% +6.59% +0.92%
Number of hourly rates quoted 0 0 0
Central London median hourly rate - - -
London median hourly rate £52.50 £122.84 -
% change year-on-year -57.26% - -

Scala is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Central London with a requirement for coding skills.

All Programming Languages
Central London
Contract vacancies with a requirement for coding skills 3,509 5,006 4,467
As % of all contract IT jobs advertised in Central London 49.13% 53.75% 51.57%
Number of daily rates quoted 2,782 4,102 3,679
Central London median daily rate £525 £525 £513
Median daily rate % change year-on-year - +2.44% +7.89%
10th Percentile £375 £375 £363
90th Percentile £675 £675 £678
London median daily rate £525 £525 £500
% change year-on-year - +5.00% +5.26%
Number of hourly rates quoted 11 9 18
Central London median hourly rate £28.00 £37.09 £22.99
Median hourly rate % change year-on-year -24.51% +61.31% -16.39%
10th Percentile £21.00 £16.90 £17.48
90th Percentile £55.50 £63.70 £45.90
London median hourly rate £42.11 £36.00 £32.00
% change year-on-year +16.97% +12.50% -1.54%

Scala
Job Vacancy Trend in Central London

Job postings citing Scala as a percentage of all IT jobs advertised in Central London.

Job vacancy trend for Scala in Central London

Scala
Contractor Daily Rate Trend in Central London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Scala in Central London.

Contractor daily rate trend for Scala in Central London

Scala
Contractor Daily Rate Histogram in Central London

The daily rate distribution of IT jobs citing Scala in Central London over the 6 months to 7 December 2019.

Contractor daily rate histogram for Scala in Central London

Scala
Contract Job Locations in Central London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Scala within the Central London region over the 6 months to 7 December 2019. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +30 172 £600 - 70
Southwark - 6 £475 -
West End of London - 3 £581 -
City of Westminster +3 2 £625 +34.41%
Scala
London

For the 6 months to 7 December 2019, IT contractor jobs citing Scala 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 Central London region with a requirement for Scala.

1 113 (57.95%) Java
2 93 (47.69%) Agile Software Development
3 90 (46.15%) Python
4 65 (33.33%) AWS
5 63 (32.31%) SQL
5 63 (32.31%) Apache Spark
6 59 (30.26%) TDD
7 56 (28.72%) Kafka
8 48 (24.62%) Hadoop
9 43 (22.05%) Docker
9 43 (22.05%) DevOps
10 42 (21.54%) Kubernetes
11 40 (20.51%) Microservices
12 39 (20.00%) Big Data
13 34 (17.44%) Finance
14 29 (14.87%) Spring
14 29 (14.87%) Data Science
15 28 (14.36%) JavaScript
16 27 (13.85%) Banking
16 27 (13.85%) Software Engineering
16 27 (13.85%) Google
16 27 (13.85%) GCP
17 26 (13.33%) RESTful
18 24 (12.31%) Continuous Delivery
18 24 (12.31%) Jenkins
19 23 (11.79%) BDD
20 22 (11.28%) NoSQL
20 22 (11.28%) Groovy
20 22 (11.28%) Scrum
20 22 (11.28%) Machine Learning

Scala
Co-occurring IT Skills in Central 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 63 (32.31%) Apache Spark
2 16 (8.21%) Elasticsearch
3 11 (5.64%) Apache
4 8 (4.10%) Apache Airflow
5 7 (3.59%) Confluence
6 5 (2.56%) Luigi
7 3 (1.54%) WebLogic
8 2 (1.03%) Apache Pig
8 2 (1.03%) DNN
8 2 (1.03%) JBoss
8 2 (1.03%) Jetty
8 2 (1.03%) Jupyter
8 2 (1.03%) OpenStack
8 2 (1.03%) Oracle Self-Service HR
8 2 (1.03%) Tomcat
9 1 (0.51%) SAS
Applications
1 4 (2.05%) Microsoft Excel
Business Applications
1 3 (1.54%) Distributed Ledger
Cloud Services
1 65 (33.33%) AWS
2 27 (13.85%) GCP
3 20 (10.26%) Serverless
4 19 (9.74%) Azure
5 13 (6.67%) Amazon EC2
6 12 (6.15%) Amazon S3
6 12 (6.15%) AWS Lambda
7 11 (5.64%) Amazon EMR
8 9 (4.62%) AWS CloudFormation
9 7 (3.59%) Azure Data Factory
9 7 (3.59%) Power Platform
10 6 (3.08%) Amazon Kinesis
10 6 (3.08%) Virtual Private Cloud
11 5 (2.56%) Azure Functions
12 3 (1.54%) Amazon SQS
12 3 (1.54%) Cloud Computing
12 3 (1.54%) GitHub
13 2 (1.03%) Amazon SageMaker
14 1 (0.51%) Amazon Cognito
14 1 (0.51%) Amazon EKS
Communications & Networking
1 4 (2.05%) Firewall
2 2 (1.03%) SSH
3 1 (0.51%) FTP
3 1 (0.51%) PuTTY
Database & Business Intelligence
1 48 (24.62%) Hadoop
2 39 (20.00%) Big Data
3 22 (11.28%) NoSQL
4 19 (9.74%) Apache Cassandra
5 16 (8.21%) Apache Hive
5 16 (8.21%) PostgreSQL
6 12 (6.15%) Data Warehouse
7 11 (5.64%) HBase
8 10 (5.13%) Amazon Redshift
9 8 (4.10%) Amazon DynamoDB
10 7 (3.59%) Couchbase
10 7 (3.59%) Data Lake
10 7 (3.59%) Oracle Database
10 7 (3.59%) Power BI
11 6 (3.08%) Impala
11 6 (3.08%) MySQL
11 6 (3.08%) Relational Database
12 5 (2.56%) Azure SQL Database
12 5 (2.56%) MongoDB
12 5 (2.56%) SQL Server
Development Applications
1 24 (12.31%) Jenkins
2 19 (9.74%) Git (software)
3 14 (7.18%) Cucumber
4 12 (6.15%) JIRA
4 12 (6.15%) Maven
4 12 (6.15%) Selenium
5 6 (3.08%) REST Assured
5 6 (3.08%) Travis CI
6 5 (2.56%) Gradle
7 4 (2.05%) Atlassian Bamboo
7 4 (2.05%) GoCD
7 4 (2.05%) TeamCity
8 3 (1.54%) Bitbucket
8 3 (1.54%) JUnit
8 3 (1.54%) Mockito
8 3 (1.54%) Vagrant
9 2 (1.03%) Ant
9 2 (1.03%) Appium
9 2 (1.03%) FishEye
9 2 (1.03%) Leiningen
General
1 34 (17.44%) Finance
2 27 (13.85%) Banking
3 10 (5.13%) Front Office
4 7 (3.59%) Retail Banking
5 5 (2.56%) Advertising
5 5 (2.56%) Games
5 5 (2.56%) Marketing
5 5 (2.56%) Retail
6 4 (2.05%) Investment Banking
7 3 (1.54%) Financial Institution
7 3 (1.54%) Telecoms
8 2 (1.03%) Public Sector
9 1 (0.51%) Back Office
9 1 (0.51%) Law
9 1 (0.51%) Publishing
Job Titles
1 94 (48.21%) Developer
2 54 (27.69%) Scala Developer
3 46 (23.59%) Data Engineer
4 32 (16.41%) Java Developer
5 17 (8.72%) Python Engineer
6 16 (8.21%) Senior Developer
7 12 (6.15%) AWS Engineer
8 11 (5.64%) Senior Scala Developer
9 10 (5.13%) DevOps Engineer
10 8 (4.10%) Architect
10 8 (4.10%) Cloud Engineer
10 8 (4.10%) Hadoop Developer
10 8 (4.10%) Java Hadoop Developer
11 7 (3.59%) Java Engineer
11 7 (3.59%) Senior Java Developer
12 6 (3.08%) Data Scientist
12 6 (3.08%) Java Scala Developer
12 6 (3.08%) React Developer
13 5 (2.56%) AWS Developer
13 5 (2.56%) Big Data Developer
Libraries, Frameworks & Software Standards
1 56 (28.72%) Kafka
2 29 (14.87%) Spring
3 26 (13.33%) RESTful
4 21 (10.77%) Web Services
5 15 (7.69%) Play Framework
6 13 (6.67%) PySpark
7 12 (6.15%) Akka
7 12 (6.15%) React
7 12 (6.15%) REST
8 11 (5.64%) Spring Boot
9 10 (5.13%) Gherkin
9 10 (5.13%) XML
10 8 (4.10%) HTML
11 7 (3.59%) Spark Streaming
12 5 (2.56%) AngularJS
12 5 (2.56%) CSS
12 5 (2.56%) Hibernate
12 5 (2.56%) Node.js
12 5 (2.56%) Pandas
12 5 (2.56%) Redux
Miscellaneous
1 12 (6.15%) Greenfield Project
2 11 (5.64%) Algorithms
2 11 (5.64%) Data Structures
3 10 (5.13%) Analytical Skills
4 9 (4.62%) User Experience
5 7 (3.59%) Linux Command Line
6 5 (2.56%) Derivative
6 5 (2.56%) Foreign Exchange (FX)
6 5 (2.56%) Self-Motivation
7 3 (1.54%) Equities
7 3 (1.54%) Market Risk
8 2 (1.03%) Fixed Income
8 2 (1.03%) Mobile App
8 2 (1.03%) Mobile Banking
8 2 (1.03%) Public Cloud
9 1 (0.51%) Credit Risk
9 1 (0.51%) Hedge funds
9 1 (0.51%) Hybrid Cloud
Operating Systems
1 13 (6.67%) Linux
2 10 (5.13%) Unix
3 6 (3.08%) Windows
4 3 (1.54%) Android
4 3 (1.54%) Apple iOS
4 3 (1.54%) Red Hat Enterprise Linux
5 2 (1.03%) CentOS
5 2 (1.03%) Debian
5 2 (1.03%) Mac OS X
5 2 (1.03%) Ubuntu
5 2 (1.03%) VMS
5 2 (1.03%) Windows Server
Processes & Methodologies
1 93 (47.69%) Agile Software Development
2 59 (30.26%) TDD
3 43 (22.05%) DevOps
4 40 (20.51%) Microservices
5 29 (14.87%) Data Science
6 27 (13.85%) Software Engineering
7 24 (12.31%) Continuous Delivery
8 23 (11.79%) BDD
9 22 (11.28%) Machine Learning
9 22 (11.28%) Scrum
10 20 (10.26%) Computer Science
10 20 (10.26%) Functional Programming
11 19 (9.74%) Continuous Integration
11 19 (9.74%) Pair Programming
12 17 (8.72%) Kanban
13 16 (8.21%) ETL
13 16 (8.21%) Fintech
13 16 (8.21%) Test Automation
14 15 (7.69%) Analytics
14 15 (7.69%) Problem-Solving
Programming Languages
1 113 (57.95%) Java
2 90 (46.15%) Python
3 63 (32.31%) SQL
4 28 (14.36%) JavaScript
5 22 (11.28%) Groovy
6 18 (9.23%) Go
7 16 (8.21%) Kotlin
7 16 (8.21%) Ruby
8 11 (5.64%) R
9 8 (4.10%) C++
9 8 (4.10%) Clojure
9 8 (4.10%) Java 8
10 7 (3.59%) C#
11 6 (3.08%) AWK
11 6 (3.08%) Perl
11 6 (3.08%) TypeScript
12 5 (2.56%) sed
13 4 (2.05%) T-SQL
14 3 (1.54%) Bash Shell
14 3 (1.54%) PL/SQL
Qualifications
1 12 (6.15%) Degree
2 4 (2.05%) Master's Degree
2 4 (2.05%) PhD
3 2 (1.03%) AWS Certification
3 2 (1.03%) Security Cleared
4 1 (0.51%) Computer Science Degree
4 1 (0.51%) DV Cleared
4 1 (0.51%) SC Cleared
Quality Assurance & Compliance
1 6 (3.08%) QA
2 5 (2.56%) Data Quality
System Software
1 43 (22.05%) Docker
2 9 (4.62%) HDFS
3 1 (0.51%) Apache ZooKeeper
3 1 (0.51%) VirtualBox
Systems Management
1 42 (21.54%) Kubernetes
2 18 (9.23%) Terraform
3 11 (5.64%) Hadoop YARN
4 8 (4.10%) Ansible
4 8 (4.10%) Marathon
4 8 (4.10%) Mesos
5 3 (1.54%) Grafana
5 3 (1.54%) Prometheus
5 3 (1.54%) Puppet
6 2 (1.03%) Salt
7 1 (0.51%) Docker Swarm
7 1 (0.51%) Kibana
7 1 (0.51%) Opscode Chef
7 1 (0.51%) Packer
Vendors
1 27 (13.85%) Google
2 10 (5.13%) Microsoft
2 10 (5.13%) Oracle
3 8 (4.10%) Red Hat
4 7 (3.59%) Cloudera
4 7 (3.59%) Databricks
4 7 (3.59%) Facebook
5 6 (3.08%) Hortonworks
5 6 (3.08%) Teradata
6 3 (1.54%) Criteo
6 3 (1.54%) Sybase
7 2 (1.03%) Atlassian
7 2 (1.03%) Bloomberg
7 2 (1.03%) Palantir
7 2 (1.03%) Perforce
7 2 (1.03%) Reuters
7 2 (1.03%) Tableau
8 1 (0.51%) Ab Initio
8 1 (0.51%) Foundry
8 1 (0.51%) Salesforce.com