Period
to 22 April 2021

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 22 April 2021 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
22 Apr 2021
Same period 2020 Same period 2019
Rank 77 86 98
Rank change year-on-year +9 +12 -8
Contract jobs citing Scala 66 87 173
As % of all contract jobs advertised in the City of London 2.64% 2.28% 2.58%
As % of the Programming Languages category 5.58% 4.66% 5.07%
Number of daily rates quoted 60 79 144
10th Percentile £421 £413 £485
25th Percentile £522 £475 £550
Median daily rate (50th Percentile) £588 £575 £600
Median % change year-on-year +2.17% -4.17% +4.35%
75th Percentile £656 £638 £675
90th Percentile £750 £700 £688
Central London median daily rate £575 £575 £600
% change year-on-year - -4.17% +9.09%
Number of hourly rates quoted 0 1 0
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 1,183 1,867 3,413
As % of all contract IT jobs advertised in the City of London 47.32% 49.00% 50.83%
Number of daily rates quoted 891 1,477 2,767
10th Percentile £363 £380 £400
25th Percentile £450 £450 £463
Median daily rate (50th Percentile) £550 £525 £525
Median % change year-on-year +4.76% - -
75th Percentile £638 £625 £619
90th Percentile £713 £688 £675
Central London median daily rate £550 £525 £525
% change year-on-year +4.76% - +2.44%
Number of hourly rates quoted 3 13 18
10th Percentile £15.55 £24.50 £15.84
25th Percentile £17.86 £26.75 "
Median hourly rate £23.45 £47.50 £21.00
Median % change year-on-year -50.63% +126.19% -2.33%
75th Percentile £31.21 £53.00 £37.50
90th Percentile £34.84 £57.30 £43.20
Central London median hourly rate £21.73 £43.00 £21.00
% change year-on-year -49.48% +104.76% -2.33%

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 22 April 2021.

Daily rate histogram for Scala in the City of London

For the 6 months to 22 April 2021, 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 (51.52%) Java
2 18 (27.27%) Finance
2 18 (27.27%) Banking
2 18 (27.27%) DevOps
3 17 (25.76%) Apache Spark
4 16 (24.24%) Agile Software Development
5 15 (22.73%) Python
5 15 (22.73%) Software Engineering
6 13 (19.70%) AWS
7 12 (18.18%) Multithreading
8 11 (16.67%) Apache Hive
8 11 (16.67%) Go
8 11 (16.67%) Kafka
8 11 (16.67%) TDD
8 11 (16.67%) Ruby
9 10 (15.15%) Big Data
9 10 (15.15%) Functional Programming
9 10 (15.15%) Investment Banking
9 10 (15.15%) Hadoop
10 9 (13.64%) Azure
10 9 (13.64%) SQL
11 8 (12.12%) Spring
11 8 (12.12%) GCP
11 8 (12.12%) Spring Boot
12 7 (10.61%) React
12 7 (10.61%) Data Structures
12 7 (10.61%) Kubernetes
12 7 (10.61%) Analytical Skills
12 7 (10.61%) Kotlin
12 7 (10.61%) BigQuery

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 17 (25.76%) Apache Spark
2 4 (6.06%) Apache
3 3 (4.55%) Apache Airflow
4 1 (1.52%) Confluence
4 1 (1.52%) SAS
Applications
1 1 (1.52%) Microsoft Excel
Business Applications
1 3 (4.55%) Distributed Ledger
Cloud Services
1 13 (19.70%) AWS
2 9 (13.64%) Azure
3 8 (12.12%) GCP
4 3 (4.55%) Amazon EMR
4 3 (4.55%) IaaS
4 3 (4.55%) PaaS
4 3 (4.55%) SaaS
5 2 (3.03%) Amazon S3
6 1 (1.52%) Azure Data Factory
6 1 (1.52%) Azure Synapse Analytics
Database & Business Intelligence
1 11 (16.67%) Apache Hive
2 10 (15.15%) Big Data
2 10 (15.15%) Hadoop
3 7 (10.61%) BigQuery
4 4 (6.06%) Hazelcast
4 4 (6.06%) Impala
4 4 (6.06%) Redis
5 3 (4.55%) Blockchain
5 3 (4.55%) Data Lake
5 3 (4.55%) NoSQL
6 2 (3.03%) Amazon Aurora
6 2 (3.03%) Amazon DynamoDB
6 2 (3.03%) PostgreSQL
6 2 (3.03%) Presto
7 1 (1.52%) Data Mart
7 1 (1.52%) Data Mining
7 1 (1.52%) HBase
7 1 (1.52%) MySQL
7 1 (1.52%) Neo4j
7 1 (1.52%) Pentaho
Development Applications
1 3 (4.55%) Git (software)
1 3 (4.55%) Jenkins
2 2 (3.03%) JIRA
3 1 (1.52%) Bitbucket
3 1 (1.52%) Cucumber
3 1 (1.52%) Selenium
3 1 (1.52%) Sonatype Nexus
General
1 18 (27.27%) Banking
1 18 (27.27%) Finance
2 10 (15.15%) Investment Banking
3 6 (9.09%) Front Office
4 1 (1.52%) Retail Banking
Job Titles
1 33 (50.00%) Developer
2 20 (30.30%) Data Engineer
3 17 (25.76%) Scala Engineer
4 13 (19.70%) Java Developer
4 13 (19.70%) Scala Developer
5 7 (10.61%) Software Engineer
6 5 (7.58%) Scala Software Engineer
7 4 (6.06%) Front Office Developer
7 4 (6.06%) Oracle Developer
7 4 (6.06%) Ruby Engineer
7 4 (6.06%) Senior Developer
7 4 (6.06%) Senior Scala Engineer
8 3 (4.55%) DevSecOps Engineer
8 3 (4.55%) Full Stack Developer
8 3 (4.55%) Investment Banking Java Developer
9 2 (3.03%) Big Data Engineer
9 2 (3.03%) Developer/Software Engineer
9 2 (3.03%) Junior
9 2 (3.03%) Junior Developer
9 2 (3.03%) Software Developer
Libraries, Frameworks & Software Standards
1 11 (16.67%) Kafka
2 8 (12.12%) Spring
2 8 (12.12%) Spring Boot
3 7 (10.61%) PySpark
3 7 (10.61%) React
4 6 (9.09%) RESTful
5 5 (7.58%) Node.js
5 5 (7.58%) Ruby on Rails
6 4 (6.06%) AngularJS
6 4 (6.06%) Memcached
7 3 (4.55%) REST
7 3 (4.55%) Smart Contracts
8 2 (3.03%) Akka
9 1 (1.52%) .NET
9 1 (1.52%) Django
9 1 (1.52%) Play Framework
9 1 (1.52%) Velocity
Miscellaneous
1 7 (10.61%) Analytical Skills
1 7 (10.61%) Data Structures
1 7 (10.61%) Greenfield Project
2 6 (9.09%) Algorithms
3 3 (4.55%) Foreign Exchange (FX)
3 3 (4.55%) User Experience
4 1 (1.52%) Equities
4 1 (1.52%) Grid Computing
4 1 (1.52%) Linux Command Line
4 1 (1.52%) Renewable Energy
Operating Systems
1 2 (3.03%) Unix
2 1 (1.52%) Linux
2 1 (1.52%) Windows
Processes & Methodologies
1 18 (27.27%) DevOps
2 16 (24.24%) Agile Software Development
3 15 (22.73%) Software Engineering
4 12 (18.18%) Multithreading
5 11 (16.67%) TDD
6 10 (15.15%) Functional Programming
7 6 (9.09%) Continuous Integration
7 6 (9.09%) Data Engineering
7 6 (9.09%) Fintech
8 5 (7.58%) BDD
8 5 (7.58%) Computer Science
8 5 (7.58%) Continuous Delivery
8 5 (7.58%) Data Ingestion
8 5 (7.58%) Performance Tuning
8 5 (7.58%) Test Automation
9 4 (6.06%) Analytics
9 4 (6.06%) Data Modelling
9 4 (6.06%) Microservices
9 4 (6.06%) Open Source
9 4 (6.06%) Scrum
Programming Languages
1 34 (51.52%) Java
2 15 (22.73%) Python
3 11 (16.67%) Go
3 11 (16.67%) Ruby
4 9 (13.64%) SQL
5 7 (10.61%) Java 8
5 7 (10.61%) Kotlin
6 5 (7.58%) JavaScript
6 5 (7.58%) PL/SQL
6 5 (7.58%) TypeScript
7 4 (6.06%) Haskell
8 2 (3.03%) Bash Shell
8 2 (3.03%) C#
8 2 (3.03%) C++
8 2 (3.03%) R
9 1 (1.52%) HiveQL
9 1 (1.52%) Perl
9 1 (1.52%) Rust
9 1 (1.52%) Shell Script
9 1 (1.52%) VBA
Qualifications
1 3 (4.55%) Computer Science Degree
1 3 (4.55%) Degree
2 2 (3.03%) SC Cleared
2 2 (3.03%) Security Cleared
3 1 (1.52%) PhD
System Software
1 6 (9.09%) Docker
2 4 (6.06%) HDFS
Systems Management
1 7 (10.61%) Kubernetes
2 3 (4.55%) Terraform
3 1 (1.52%) Hadoop YARN
3 1 (1.52%) Oozie
Vendors
1 6 (9.09%) Cloudera
2 5 (7.58%) Oracle
3 4 (6.06%) Hortonworks
4 3 (4.55%) Databricks
4 3 (4.55%) Solace
5 1 (1.52%) Informatica
5 1 (1.52%) Microsoft
5 1 (1.52%) Talend