Period
to 25 January 2022

The following table provides summary statistics for contract job vacancies advertised in the City of 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 25 January 2022 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
Central London > City of London
6 months to
25 Jan 2022
Same period 2021 Same period 2020
Rank 105 74 86
Rank change year-on-year -31 +12 +8
Contract jobs citing Scala 83 58 117
As % of all contract jobs advertised in the City of London 2.07% 2.78% 2.40%
As % of the Programming Languages category 4.27% 5.59% 4.98%
Number of daily rates quoted 75 49 105
10th Percentile £513 £374 £463
25th Percentile £563 £425 £510
Median daily rate (50th Percentile) £663 £550 £575
Median % change year-on-year +20.45% -4.35% -4.17%
75th Percentile £775 £638 £656
90th Percentile £850 £695 £695
Central London median daily rate £663 £550 £575
% change year-on-year +20.45% -4.35% -4.17%
Number of hourly rates quoted 0 0 1
Median hourly rate - - £18.70
Central London median hourly rate - - £18.70

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 the City of London with a requirement for coding skills.

All Programming Languages
City of London
Contract vacancies with a requirement for coding skills 1,944 1,038 2,348
As % of all contract IT jobs advertised in the City of London 48.48% 49.71% 48.10%
Number of daily rates quoted 1,533 804 1,896
10th Percentile £413 £359 £388
25th Percentile £500 £431 £450
Median daily rate (50th Percentile) £575 £550 £525
Median % change year-on-year +4.55% +4.76% -
75th Percentile £688 £638 £625
90th Percentile £775 £700 £688
Central London median daily rate £575 £550 £525
% change year-on-year +4.55% +4.76% -
Number of hourly rates quoted 10 5 13
10th Percentile £43.45 - £21.00
25th Percentile £48.00 £12.75 £21.17
Median hourly rate £59.25 £14.00 £47.50
Median % change year-on-year +323.21% -70.53% +28.07%
75th Percentile £66.25 £22.00 £52.25
90th Percentile £77.63 £31.15 £55.00
Central London median hourly rate £59.25 £18.00 £36.25
% change year-on-year +229.17% -50.34% -2.26%

Scala
Job Vacancy Trend in the City of London

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

Job vacancy trend for Scala in the City of London

Scala
Contractor Daily Rate Trend in the City of London

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

Daily rate trend for Scala in the City of London

Scala
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Scala in the City of London over the 6 months to 25 January 2022.

Daily rate histogram for Scala in the City of London

For the 6 months to 25 January 2022, 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 City of London region with a requirement for Scala.

1 34 (40.96%) AWS
2 30 (36.14%) Kubernetes
2 30 (36.14%) Agile Software Development
3 26 (31.33%) TDD
3 26 (31.33%) Java
3 26 (31.33%) Kafka
4 24 (28.92%) CI/CD
5 23 (27.71%) Docker
5 23 (27.71%) Apache Spark
6 22 (26.51%) Python
7 20 (24.10%) Continuous Integration
7 20 (24.10%) DevOps
7 20 (24.10%) Play Framework
8 17 (20.48%) BDD
8 17 (20.48%) Microservices
8 17 (20.48%) Terraform
9 16 (19.28%) GCP
10 14 (16.87%) Software Engineering
11 13 (15.66%) Scrum
11 13 (15.66%) Redis
11 13 (15.66%) Jenkins
12 11 (13.25%) Akka
12 11 (13.25%) AWS CloudFormation
12 11 (13.25%) Kotlin
12 11 (13.25%) Finance
13 10 (12.05%) HTTP
13 10 (12.05%) Problem-Solving
13 10 (12.05%) Social Skills
14 9 (10.84%) .NET
14 9 (10.84%) PostgreSQL

Scala
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 23 (27.71%) Apache Spark
2 5 (6.02%) Apache Airflow
3 4 (4.82%) Apache
4 1 (1.20%) Confluence
4 1 (1.20%) Jetty
4 1 (1.20%) Jupyter
4 1 (1.20%) SAS
Applications
1 1 (1.20%) Microsoft Excel
Cloud Services
1 34 (40.96%) AWS
2 16 (19.28%) GCP
3 11 (13.25%) AWS CloudFormation
4 7 (8.43%) Azure
5 5 (6.02%) Amazon EMR
5 5 (6.02%) AWS Lambda
5 5 (6.02%) Serverless
6 3 (3.61%) AWS Step Functions
6 3 (3.61%) Azure Cosmos DB
6 3 (3.61%) GitHub
7 2 (2.41%) Amazon S3
7 2 (2.41%) Cloud Computing
8 1 (1.20%) Amazon ECS
8 1 (1.20%) Amazon EKS
8 1 (1.20%) AppsFlyer
8 1 (1.20%) AWS CodePipeline
8 1 (1.20%) Azure Synapse Analytics
8 1 (1.20%) Datadog
8 1 (1.20%) OpenShift
8 1 (1.20%) Power Platform
Communications & Networking
1 10 (12.05%) HTTP
2 1 (1.20%) Ethernet
2 1 (1.20%) Wireless
Database & Business Intelligence
1 13 (15.66%) Redis
2 9 (10.84%) NoSQL
2 9 (10.84%) PostgreSQL
3 7 (8.43%) Big Data
3 7 (8.43%) MongoDB
3 7 (8.43%) MySQL
4 6 (7.23%) BigQuery
5 5 (6.02%) Apache Hive
6 4 (4.82%) Hadoop
6 4 (4.82%) Relational Database
6 4 (4.82%) SQL Server
7 3 (3.61%) Amazon Redshift
7 3 (3.61%) Couchbase
7 3 (3.61%) Data Lake
7 3 (3.61%) RDBMS
8 2 (2.41%) Amazon DynamoDB
8 2 (2.41%) Oracle Database
8 2 (2.41%) Presto
9 1 (1.20%) Amazon RDS
9 1 (1.20%) Hazelcast
Development Applications
1 13 (15.66%) Jenkins
2 9 (10.84%) CircleCI
2 9 (10.84%) Git (software)
2 9 (10.84%) GoCD
3 4 (4.82%) Gatling
4 3 (3.61%) Atlassian Bamboo
5 2 (2.41%) Cucumber
5 2 (2.41%) Maven
5 2 (2.41%) Postman
6 1 (1.20%) Bitbucket Server
6 1 (1.20%) CMake
6 1 (1.20%) JIRA
6 1 (1.20%) JUnit
6 1 (1.20%) minitest
6 1 (1.20%) MSBuild
6 1 (1.20%) NUnit
6 1 (1.20%) REST Assured
6 1 (1.20%) Selenium
6 1 (1.20%) SpecFlow
6 1 (1.20%) Visual Studio
General
1 11 (13.25%) Finance
2 10 (12.05%) Social Skills
3 7 (8.43%) Analytical Skills
4 6 (7.23%) Banking
4 6 (7.23%) Publishing
4 6 (7.23%) Retail
5 3 (3.61%) Front Office
6 2 (2.41%) Advertising
6 2 (2.41%) Financial Institution
7 1 (1.20%) Legal
7 1 (1.20%) Marketing
7 1 (1.20%) Military
7 1 (1.20%) Organisational Skills
7 1 (1.20%) Police
Job Titles
1 41 (49.40%) Developer
2 33 (39.76%) Scala Developer
3 17 (20.48%) Data Engineer
4 7 (8.43%) Java Engineer
4 7 (8.43%) Scala Engineer
4 7 (8.43%) Senior Java Engineer
5 5 (6.02%) Engineering Manager
6 4 (4.82%) Senior Data Engineer
7 3 (3.61%) Architect
7 3 (3.61%) Lead Developer
7 3 (3.61%) Software Engineer
8 2 (2.41%) Data Architect
8 2 (2.41%) Developer/Software Engineer
8 2 (2.41%) Scala Software Engineer
8 2 (2.41%) Senior Developer
8 2 (2.41%) Software Developer
8 2 (2.41%) Software Engineering Manager
8 2 (2.41%) Software Manager
9 1 (1.20%) Azure Engineer
9 1 (1.20%) Senior Ruby Developer
Libraries, Frameworks & Software Standards
1 26 (31.33%) Kafka
2 20 (24.10%) Play Framework
3 11 (13.25%) Akka
4 9 (10.84%) .NET
4 9 (10.84%) Apache Avro
4 9 (10.84%) Scalaz
5 6 (7.23%) .NET Framework
6 5 (6.02%) PySpark
7 4 (4.82%) AngularJS
7 4 (4.82%) Spark Streaming
7 4 (4.82%) Web Services
8 3 (3.61%) CSS
8 3 (3.61%) HTML
8 3 (3.61%) JDBC
8 3 (3.61%) JSON
8 3 (3.61%) Node.js
8 3 (3.61%) RESTful
8 3 (3.61%) Spring
9 2 (2.41%) REST
10 1 (1.20%) CSS3
Miscellaneous
1 9 (10.84%) Greenfield Project
2 7 (8.43%) Data Structures
3 4 (4.82%) Self-Motivation
4 3 (3.61%) Management Information System
4 3 (3.61%) Public Cloud
5 1 (1.20%) Digital Signage
5 1 (1.20%) Enterprise Software
5 1 (1.20%) Equities
5 1 (1.20%) Hedge funds
5 1 (1.20%) Replication
5 1 (1.20%) Social Media
5 1 (1.20%) Virtual Team
Operating Systems
1 4 (4.82%) Linux
2 2 (2.41%) Windows
3 1 (1.20%) Unix
Processes & Methodologies
1 30 (36.14%) Agile Software Development
2 26 (31.33%) TDD
3 24 (28.92%) CI/CD
4 20 (24.10%) Continuous Integration
4 20 (24.10%) DevOps
5 17 (20.48%) BDD
5 17 (20.48%) Microservices
6 14 (16.87%) Software Engineering
7 13 (15.66%) Scrum
8 10 (12.05%) Problem-Solving
9 9 (10.84%) Artificial Intelligence
9 9 (10.84%) Kanban
10 8 (9.64%) Data Engineering
10 8 (9.64%) Unit Testing
11 7 (8.43%) Multithreading
12 6 (7.23%) Configuration Management
12 6 (7.23%) Data Pipeline
12 6 (7.23%) OO
12 6 (7.23%) Pair Programming
13 5 (6.02%) Acceptance Criteria
Programming Languages
1 26 (31.33%) Java
2 22 (26.51%) Python
3 11 (13.25%) Kotlin
4 8 (9.64%) SQL
5 7 (8.43%) JavaScript
6 4 (4.82%) Go
6 4 (4.82%) Ruby
7 3 (3.61%) R
8 2 (2.41%) Groovy
8 2 (2.41%) Rust
8 2 (2.41%) Shell Script
9 1 (1.20%) Bash
9 1 (1.20%) C#
9 1 (1.20%) HiveQL
9 1 (1.20%) Perl
9 1 (1.20%) PL/SQL
9 1 (1.20%) PowerShell
9 1 (1.20%) T-SQL
9 1 (1.20%) TypeScript
9 1 (1.20%) VBA
Qualifications
1 4 (4.82%) SC Cleared
1 4 (4.82%) Security Cleared
Quality Assurance & Compliance
1 5 (6.02%) QA
2 4 (4.82%) Accessibility
3 2 (2.41%) WCAG
4 1 (1.20%) Data Quality
4 1 (1.20%) GDPR
System Software
1 23 (27.71%) Docker
2 1 (1.20%) HDFS
Systems Management
1 30 (36.14%) Kubernetes
2 17 (20.48%) Terraform
3 4 (4.82%) Ansible
3 4 (4.82%) Opscode Chef
4 3 (3.61%) Grafana
4 3 (3.61%) Prometheus
4 3 (3.61%) Puppet
Vendors
1 7 (8.43%) Oracle
2 3 (3.61%) Cloudera
2 3 (3.61%) Confluent
2 3 (3.61%) Hortonworks
3 2 (2.41%) Microsoft
4 1 (1.20%) Avaya
4 1 (1.20%) Databricks
4 1 (1.20%) Facebook
4 1 (1.20%) Google
4 1 (1.20%) Informatica
4 1 (1.20%) Splunk
4 1 (1.20%) Talend