Period
to 13 December 2018

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 13 December 2018 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
13 Dec 2018
Same period 2017 Same period 2016
Rank 101 102 69
Rank change year-on-year +1 -33 0
Contract jobs citing Scala 186 181 225
As % of all contract IT jobs advertised in the City of London 2.61% 2.52% 3.45%
As % of the Programming Languages category 4.80% 4.79% 6.87%
Number of daily rates quoted 147 162 210
City of London median daily rate £600 £575 £575
Median daily rate % change year-on-year +4.35% - -8.00%
10th Percentile £500 £476 £450
90th Percentile £725 £725 £688
Central London median daily rate £600 £575 £550
% change year-on-year +4.35% +4.55% -12.00%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

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 3,873 3,781 3,277
As % of all contract IT jobs advertised in the City of London 54.26% 52.61% 50.28%
Number of daily rates quoted 3,217 3,162 2,754
City of London median daily rate £525 £525 £475
Median daily rate % change year-on-year - +10.53% -
10th Percentile £381 £363 £325
90th Percentile £675 £688 £660
Central London median daily rate £525 £513 £475
% change year-on-year +2.44% +7.89% -
Number of hourly rates quoted 8 11 10
City of London median hourly rate £37.09 £24.49 £27.50
Median hourly rate % change year-on-year +51.48% -10.96% +8.16%
10th Percentile £16.10 £13.35 £16.06
90th Percentile £74.46 £30.00 £55.19
Central London median hourly rate £37.09 £25.79 £27.50
% change year-on-year +43.83% -6.23% +8.16%

Scala
Job Vacancy Trend in the City of London

Job postings citing Scala as a percentage 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

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

Contractor daily rate trend for Scala in the City of London

Scala
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Scala in the City of London over the 6 months to 13 December 2018.

Contractor daily rate histogram for Scala in the City of London

For the 6 months to 13 December 2018, 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.

1 106 (56.99%) Java
2 89 (47.85%) Agile Software Development
3 77 (41.40%) Docker
4 76 (40.86%) Python
5 71 (38.17%) Kubernetes
6 54 (29.03%) Kafka
7 49 (26.34%) Finance
7 49 (26.34%) Apache Spark
8 47 (25.27%) DevOps
9 43 (23.12%) TDD
10 42 (22.58%) Amazon AWS
11 33 (17.74%) Microservices
12 32 (17.20%) Big Data
13 31 (16.67%) Hadoop
14 30 (16.13%) Open Source
14 30 (16.13%) Continuous Integration
14 30 (16.13%) Jenkins
15 29 (15.59%) SQL
16 27 (14.52%) Akka
17 26 (13.98%) BDD
17 26 (13.98%) Banking
17 26 (13.98%) Software Engineering
17 26 (13.98%) Algorithms
17 26 (13.98%) Continuous Delivery
18 22 (11.83%) E-Commerce
18 22 (11.83%) ETL
18 22 (11.83%) Gradle
19 21 (11.29%) Data Science
20 18 (9.68%) Groovy
20 18 (9.68%) NoSQL

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 49 (26.34%) Apache Spark
2 9 (4.84%) Apache
3 8 (4.30%) SAS
4 7 (3.76%) Elasticsearch
5 5 (2.69%) Apache Pig
6 4 (2.15%) Oracle Coherence
6 4 (2.15%) Oracle SOA Suite
7 2 (1.08%) Apache Solr
8 1 (0.54%) Apache Airflow
8 1 (0.54%) Confluence
8 1 (0.54%) Jetty
8 1 (0.54%) SharePoint
Business Applications
1 14 (7.53%) Distributed Ledger
Cloud Services
1 42 (22.58%) Amazon AWS
2 15 (8.06%) Google Cloud Platform
3 14 (7.53%) Microsoft Azure
4 7 (3.76%) Amazon S3
4 7 (3.76%) AWS CloudFormation
4 7 (3.76%) Serverless
5 6 (3.23%) Amazon EMR
5 6 (3.23%) AWS Lambda
6 4 (2.15%) Amazon Kinesis
6 4 (2.15%) Cloud Computing
7 2 (1.08%) GitHub
7 2 (1.08%) IaaS
8 1 (0.54%) Amazon EC2
8 1 (0.54%) Apigee
8 1 (0.54%) Heroku
8 1 (0.54%) npm
8 1 (0.54%) SaaS
Communications & Networking
1 3 (1.61%) Internet
2 1 (0.54%) Firewall
2 1 (0.54%) LAN
2 1 (0.54%) SNA
2 1 (0.54%) VPN
Database & Business Intelligence
1 32 (17.20%) Big Data
2 31 (16.67%) Hadoop
3 18 (9.68%) NoSQL
4 17 (9.14%) Apache Cassandra
4 17 (9.14%) MongoDB
5 15 (8.06%) Blockchain
6 14 (7.53%) Apache Hive
7 10 (5.38%) Amazon Redshift
8 9 (4.84%) Spotfire
9 8 (4.30%) PostgreSQL
9 8 (4.30%) Relational Database
10 7 (3.76%) Power BI
10 7 (3.76%) SQL Server Integration Services
11 6 (3.23%) Couchbase
11 6 (3.23%) Data Mining
12 5 (2.69%) HBase
13 4 (2.15%) Impala
13 4 (2.15%) SQL Server
14 3 (1.61%) Presto
14 3 (1.61%) Spark SQL
Development Applications
1 30 (16.13%) Jenkins
2 22 (11.83%) Gradle
3 18 (9.68%) Maven
4 12 (6.45%) Git (software)
5 6 (3.23%) JUnit
6 5 (2.69%) Mockito
7 4 (2.15%) JIRA
8 3 (1.61%) Cucumber
8 3 (1.61%) GitLab
9 2 (1.08%) Gatling
9 2 (1.08%) JMeter
9 2 (1.08%) jMock
9 2 (1.08%) LoadRunner
9 2 (1.08%) NeoLoad
9 2 (1.08%) Selenium
9 2 (1.08%) Vagrant
9 2 (1.08%) Visual Studio Team System
10 1 (0.54%) Eclipse
10 1 (0.54%) IntelliJ
10 1 (0.54%) Karma Test Runner
General
1 49 (26.34%) Finance
2 26 (13.98%) Banking
3 8 (4.30%) Publishing
4 4 (2.15%) Retail
4 4 (2.15%) Telecoms
5 3 (1.61%) Front Office
5 3 (1.61%) Investment Banking
6 1 (0.54%) Advertising
6 1 (0.54%) Automotive
6 1 (0.54%) Financial Institution
6 1 (0.54%) Games
6 1 (0.54%) Legal
Job Titles
1 82 (44.09%) Developer
2 58 (31.18%) Scala Developer
3 30 (16.13%) Senior Developer
4 29 (15.59%) Data Engineer
5 23 (12.37%) Senior Scala Developer
6 22 (11.83%) DevOps Engineer
7 20 (10.75%) Java Developer
8 19 (10.22%) Java Engineer
9 15 (8.06%) Blockchain Engineer
9 15 (8.06%) Kubernetes Engineer
10 12 (6.45%) Apache Spark Developer
11 10 (5.38%) Senior Systems Engineer
12 9 (4.84%) Senior Java Developer
13 8 (4.30%) Data Scientist
13 8 (4.30%) Java Scala Developer
14 6 (3.23%) Azure Engineer
14 6 (3.23%) Big Data Developer
14 6 (3.23%) Programmer
15 5 (2.69%) Big Data Engineer
16 4 (2.15%) AWS Engineer
Libraries, Frameworks & Software Standards
1 54 (29.03%) Kafka
2 27 (14.52%) Akka
3 14 (7.53%) React
4 9 (4.84%) Node.js
4 9 (4.84%) Play Framework
5 7 (3.76%) HTML
5 7 (3.76%) Spring Boot
6 6 (3.23%) RESTful
6 6 (3.23%) Spring
7 5 (2.69%) CSS
7 5 (2.69%) Pandas
7 5 (2.69%) scikit-learn
7 5 (2.69%) TensorFlow
7 5 (2.69%) Web Services
8 4 (2.15%) Lambda Expressions
9 3 (1.61%) Elastic Stack
9 3 (1.61%) Java Concurrency
9 3 (1.61%) Natural Language Processing
9 3 (1.61%) RabbitMQ
9 3 (1.61%) REST
Miscellaneous
1 26 (13.98%) Algorithms
2 16 (8.60%) iPad
3 14 (7.53%) Greenfield Project
4 7 (3.76%) Data Structures
4 7 (3.76%) Mobile App
5 5 (2.69%) User Experience
6 4 (2.15%) Equities
6 4 (2.15%) Market Risk
7 3 (1.61%) Analytical Skills
7 3 (1.61%) Derivative
7 3 (1.61%) Fixed Income
7 3 (1.61%) Foreign Exchange (FX)
7 3 (1.61%) Hedge funds
8 2 (1.08%) Data Centre
8 2 (1.08%) Fintech
8 2 (1.08%) Linux Command Line
8 2 (1.08%) Public Cloud
8 2 (1.08%) Virtual Team
9 1 (0.54%) HoloLens
9 1 (0.54%) Marketing Technology
Operating Systems
1 12 (6.45%) Linux
2 9 (4.84%) Unix
3 2 (1.08%) Apple iOS
4 1 (0.54%) Mac OS X
4 1 (0.54%) Windows
Processes & Methodologies
1 89 (47.85%) Agile Software Development
2 47 (25.27%) DevOps
3 43 (23.12%) TDD
4 33 (17.74%) Microservices
5 30 (16.13%) Continuous Integration
5 30 (16.13%) Open Source
6 26 (13.98%) BDD
6 26 (13.98%) Continuous Delivery
6 26 (13.98%) Software Engineering
7 22 (11.83%) E-Commerce
7 22 (11.83%) ETL
8 21 (11.29%) Data Science
9 18 (9.68%) Machine Learning
9 18 (9.68%) Mentoring
10 15 (8.06%) Artificial Intelligence
11 14 (7.53%) Low Latency
11 14 (7.53%) Systems Engineering
12 12 (6.45%) Data Modelling
12 12 (6.45%) Pair Programming
13 11 (5.91%) Analytics
Programming Languages
1 106 (56.99%) Java
2 76 (40.86%) Python
3 29 (15.59%) SQL
4 18 (9.68%) Groovy
5 17 (9.14%) JavaScript
6 14 (7.53%) Kotlin
7 12 (6.45%) Go
7 12 (6.45%) Java 8
8 11 (5.91%) Ruby
9 10 (5.38%) Bash Shell
9 10 (5.38%) Clojure
9 10 (5.38%) R
10 7 (3.76%) C#
10 7 (3.76%) Haskell
10 7 (3.76%) MATLAB
11 6 (3.23%) PHP
12 3 (1.61%) C++
13 2 (1.08%) C
13 2 (1.08%) Cypher
13 2 (1.08%) TypeScript
Qualifications
1 7 (3.76%) Degree
2 2 (1.08%) Computer Science Degree
2 2 (1.08%) Master's Degree
3 1 (0.54%) DBS Check
3 1 (0.54%) PhD
Quality Assurance & Compliance
1 6 (3.23%) QA
2 1 (0.54%) Data Quality
2 1 (0.54%) GDPR
2 1 (0.54%) HIPAA
2 1 (0.54%) Sarbanes-Oxley
System Software
1 77 (41.40%) Docker
2 7 (3.76%) Apache Flume
3 3 (1.61%) HDFS
4 1 (0.54%) Virtual Machines
4 1 (0.54%) VirtualBox
Systems Management
1 71 (38.17%) Kubernetes
2 18 (9.68%) Terraform
3 11 (5.91%) Ansible
4 4 (2.15%) Packer
5 3 (1.61%) Kibana
5 3 (1.61%) logstash
6 2 (1.08%) Consul
6 2 (1.08%) Hadoop YARN
6 2 (1.08%) Opscode Chef
6 2 (1.08%) Prometheus
6 2 (1.08%) Puppet
6 2 (1.08%) Salt
7 1 (0.54%) Grafana
7 1 (0.54%) Rancher
Vendors
1 13 (6.99%) Google
1 13 (6.99%) Oracle
2 9 (4.84%) Tableau
3 7 (3.76%) Informatica
4 6 (3.23%) Alteryx
4 6 (3.23%) Talend
5 3 (1.61%) AppDynamics
5 3 (1.61%) SaltStack
6 2 (1.08%) Microsoft
6 2 (1.08%) SOASTA, Inc
7 1 (0.54%) Cloudera
7 1 (0.54%) Databricks
7 1 (0.54%) Hortonworks
7 1 (0.54%) MuleSoft
7 1 (0.54%) Palantir
7 1 (0.54%) Splunk
7 1 (0.54%) Teradata