Period
to 14 October 2019

The following table provides summary statistics for contract job vacancies advertised in 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 14 October 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
England > London
6 months to
14 Oct 2019
Same period 2018 Same period 2017
Rank 107 119 96
Rank change year-on-year +12 -23 +2
Contract jobs citing Scala 937 1,073 1,242
As % of all contract IT jobs advertised in London 2.52% 2.35% 2.79%
As % of the Programming Languages category 5.30% 4.67% 5.78%
Number of daily rates quoted 762 781 965
London median daily rate £598 £575 £550
Median daily rate % change year-on-year +3.91% +4.55% +2.33%
10th Percentile £468 £450 £424
90th Percentile £725 £713 £700
England median daily rate £575 £550 £538
% change year-on-year +4.55% +2.33% +4.88%
Number of hourly rates quoted 0 3 0
London median hourly rate - £69.17 -
England median hourly rate £25.50 £69.17 -
% change year-on-year -63.13% - -

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 London with a requirement for coding skills.

All Programming Languages
London
Contract vacancies with a requirement for coding skills 17,668 22,968 21,483
As % of all contract IT jobs advertised in London 47.58% 50.25% 48.20%
Number of daily rates quoted 13,403 17,468 16,133
London median daily rate £525 £525 £500
Median daily rate % change year-on-year - +5.00% +11.11%
10th Percentile £363 £363 £348
90th Percentile £700 £675 £663
England median daily rate £488 £475 £450
% change year-on-year +2.63% +5.56% +5.88%
Number of hourly rates quoted 116 137 143
London median hourly rate £45.00 £40.00 £35.50
Median hourly rate % change year-on-year +12.50% +12.68% +9.23%
10th Percentile £21.00 £18.00 £17.80
90th Percentile £58.75 £63.27 £51.60
England median hourly rate £44.53 £42.27 £40.00
% change year-on-year +5.36% +5.66% +6.67%

Scala
Job Vacancy Trend in London

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

Job vacancy trend for Scala in London

Scala
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Scala in London

Scala
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Scala in London over the 6 months to 14 October 2019.

Contractor daily rate histogram for Scala in London

Scala
Contractor Hourly Rate Trend in London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Scala in London.

Contractor hourly rate trend for Scala in London

Scala
Contract Job Locations in 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 London region over the 6 months to 14 October 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
Central London +23 234 £600 +4.35% 84
East London +17 32 £550 -4.35% 13
West London +3 23 £563 +2.27% 27
South London +33 19 £575 +5.50% 4
Scala
England

For the 6 months to 14 October 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 London region with a requirement for Scala.

1 549 (58.59%) Java
2 463 (49.41%) Python
3 427 (45.57%) Agile Software Development
4 330 (35.22%) Apache Spark
5 306 (32.66%) AWS
6 281 (29.99%) Big Data
7 280 (29.88%) SQL
8 273 (29.14%) TDD
9 248 (26.47%) Kafka
10 236 (25.19%) Hadoop
11 191 (20.38%) Docker
11 191 (20.38%) DevOps
12 181 (19.32%) Finance
13 158 (16.86%) GCP
14 155 (16.54%) Banking
15 152 (16.22%) Kubernetes
16 135 (14.41%) NoSQL
17 131 (13.98%) Azure
18 129 (13.77%) Data Science
19 126 (13.45%) JavaScript
20 123 (13.13%) Microservices
21 120 (12.81%) Analytics
21 120 (12.81%) Machine Learning
22 118 (12.59%) Apache Hive
23 112 (11.95%) Jenkins
24 111 (11.85%) BDD
25 108 (11.53%) Pair Programming
26 107 (11.42%) Google
26 107 (11.42%) Git (software)
26 107 (11.42%) Continuous Integration

Scala
Co-occurring IT Skills in 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
1 330 (35.22%) Apache Spark
2 80 (8.54%) Apache
3 52 (5.55%) Elasticsearch
4 31 (3.31%) Apache Airflow
5 17 (1.81%) Confluence
6 15 (1.60%) Apache Solr
7 12 (1.28%) SAS
8 11 (1.17%) Jupyter
9 10 (1.07%) Apache Pig
9 10 (1.07%) Oracle Coherence
9 10 (1.07%) WebLogic
10 6 (0.64%) JBoss
10 6 (0.64%) Jetty
10 6 (0.64%) Oracle Self-Service HR
10 6 (0.64%) Tomcat
11 5 (0.53%) Luigi
12 3 (0.32%) nginx
12 3 (0.32%) OpenStack
13 1 (0.11%) CMS
13 1 (0.11%) Oracle Workflow
Applications
1 11 (1.17%) Microsoft Excel
Business Applications
1 10 (1.07%) Distributed Ledger
2 1 (0.11%) Raiser's Edge
2 1 (0.11%) Sparx Enterprise Architect
Cloud Services
1 306 (32.66%) AWS
2 158 (16.86%) GCP
3 131 (13.98%) Azure
4 55 (5.87%) Amazon Kinesis
5 54 (5.76%) Serverless
6 53 (5.66%) Amazon S3
7 46 (4.91%) Amazon EMR
8 32 (3.42%) Amazon EC2
9 31 (3.31%) AWS Lambda
10 25 (2.67%) Azure Data Factory
10 25 (2.67%) Power Platform
11 23 (2.45%) GitHub
12 21 (2.24%) AWS CloudFormation
12 21 (2.24%) Cloud Computing
13 19 (2.03%) Amazon SQS
14 15 (1.60%) Amazon SageMaker
15 11 (1.17%) Amazon EKS
16 10 (1.07%) Virtual Private Cloud
17 9 (0.96%) npm
18 7 (0.75%) Yarn
Communications & Networking
1 23 (2.45%) HTTP
2 15 (1.60%) Internet
3 10 (1.07%) Firewall
4 6 (0.64%) SSH
5 3 (0.32%) Kerberos
6 2 (0.21%) HTTPS
6 2 (0.21%) TCP/IP
6 2 (0.21%) Unified Communications
7 1 (0.11%) LAN
7 1 (0.11%) PuTTY
7 1 (0.11%) Software-Defined Networking
7 1 (0.11%) SSL
7 1 (0.11%) VPN
7 1 (0.11%) WAN
Database & Business Intelligence
1 281 (29.99%) Big Data
2 236 (25.19%) Hadoop
3 135 (14.41%) NoSQL
4 118 (12.59%) Apache Hive
5 101 (10.78%) PostgreSQL
6 77 (8.22%) MongoDB
7 73 (7.79%) Apache Cassandra
8 71 (7.58%) Data Warehouse
9 66 (7.04%) Amazon Redshift
10 60 (6.40%) Data Lake
11 51 (5.44%) MySQL
11 51 (5.44%) Relational Database
12 47 (5.02%) Impala
13 43 (4.59%) HBase
14 33 (3.52%) Spark SQL
14 33 (3.52%) SQL Server
15 32 (3.42%) Amazon Athena
16 31 (3.31%) BigQuery
17 27 (2.88%) Amazon DynamoDB
18 25 (2.67%) RDBMS
Development Applications
1 112 (11.95%) Jenkins
2 107 (11.42%) Git (software)
3 40 (4.27%) JIRA
4 30 (3.20%) Gradle
5 29 (3.09%) Atlassian Bamboo
6 27 (2.88%) Maven
7 24 (2.56%) Cucumber
8 20 (2.13%) JUnit
9 18 (1.92%) Hudson
9 18 (1.92%) Selenium
9 18 (1.92%) Vagrant
10 15 (1.60%) Mockito
11 13 (1.39%) CircleCI
12 12 (1.28%) Travis CI
13 11 (1.17%) GitLab
13 11 (1.17%) TeamCity
14 10 (1.07%) webpack
15 9 (0.96%) Ant
15 9 (0.96%) IntelliJ
16 8 (0.85%) Bitbucket
General
1 181 (19.32%) Finance
2 155 (16.54%) Banking
3 77 (8.22%) Investment Banking
4 62 (6.62%) Front Office
5 33 (3.52%) Retail
6 24 (2.56%) Retail Banking
7 22 (2.35%) Legal
8 19 (2.03%) Games
9 14 (1.49%) Financial Institution
10 11 (1.17%) Public Sector
11 9 (0.96%) Publishing
12 8 (0.85%) Advertising
12 8 (0.85%) Marketing
13 4 (0.43%) Back Office
14 3 (0.32%) Telecoms
15 2 (0.21%) Automotive
15 2 (0.21%) Law
15 2 (0.21%) Pharmaceutical
16 1 (0.11%) Corporate Banking
16 1 (0.11%) Manufacturing
Job Titles
1 466 (49.73%) Developer
2 241 (25.72%) Scala Developer
3 232 (24.76%) Data Engineer
4 130 (13.87%) Java Developer
5 86 (9.18%) Senior Developer
6 60 (6.40%) Python Engineer
7 57 (6.08%) AWS Engineer
8 54 (5.76%) Big Data Engineer
9 52 (5.55%) Architect
10 47 (5.02%) Senior Scala Developer
11 44 (4.70%) Python Developer
12 35 (3.74%) Big Data Developer
13 32 (3.42%) Java Scala Developer
14 31 (3.31%) DevOps Engineer
15 30 (3.20%) React Developer
16 28 (2.99%) Data Scientist
16 28 (2.99%) Senior Data Engineer
16 28 (2.99%) Senior Java Developer
17 26 (2.77%) Agile Developer
18 23 (2.45%) Cloud Engineer
Libraries, Frameworks & Software Standards
1 248 (26.47%) Kafka
2 101 (10.78%) Spring
3 98 (10.46%) RESTful
4 95 (10.14%) Akka
5 92 (9.82%) Play Framework
6 84 (8.96%) React
7 74 (7.90%) Web Services
8 71 (7.58%) Node.js
9 62 (6.62%) HTML
10 61 (6.51%) REST
11 56 (5.98%) CSS
12 54 (5.76%) PySpark
13 45 (4.80%) AngularJS
14 44 (4.70%) Spring Boot
15 42 (4.48%) JSON
16 38 (4.06%) HTML5
16 38 (4.06%) Spark Streaming
17 37 (3.95%) scikit-learn
18 31 (3.31%) Natural Language Processing
19 30 (3.20%) RabbitMQ
Miscellaneous
1 87 (9.28%) Greenfield Project
2 59 (6.30%) Algorithms
3 55 (5.87%) User Experience
4 52 (5.55%) Data Structures
5 35 (3.74%) Derivative
6 29 (3.09%) Analytical Skills
7 21 (2.24%) Linux Command Line
8 16 (1.71%) Foreign Exchange (FX)
9 15 (1.60%) Reference Data
10 14 (1.49%) Public Cloud
11 13 (1.39%) Market Risk
12 12 (1.28%) Equity Derivative
12 12 (1.28%) Mobile App
13 10 (1.07%) Fixed Income
14 9 (0.96%) Equities
14 9 (0.96%) Grid Computing
14 9 (0.96%) Mobile Banking
15 7 (0.75%) Credit Risk
15 7 (0.75%) Management Information System
15 7 (0.75%) Self-Motivation
Operating Systems
1 98 (10.46%) Linux
2 56 (5.98%) Unix
3 33 (3.52%) Windows
4 13 (1.39%) Apple iOS
4 13 (1.39%) Red Hat Enterprise Linux
5 12 (1.28%) Ubuntu
6 10 (1.07%) Android
7 9 (0.96%) Mac OS X
8 6 (0.64%) CentOS
8 6 (0.64%) Debian
9 3 (0.32%) Windows Server
10 2 (0.21%) VMS
11 1 (0.11%) Mac OS
Processes & Methodologies
1 427 (45.57%) Agile Software Development
2 273 (29.14%) TDD
3 191 (20.38%) DevOps
4 129 (13.77%) Data Science
5 123 (13.13%) Microservices
6 120 (12.81%) Analytics
6 120 (12.81%) Machine Learning
7 111 (11.85%) BDD
8 108 (11.53%) Pair Programming
9 107 (11.42%) Continuous Integration
10 101 (10.78%) Scrum
11 96 (10.25%) Data Engineering
12 94 (10.03%) ETL
13 93 (9.93%) Data Modelling
14 89 (9.50%) Functional Programming
14 89 (9.50%) Software Engineering
15 88 (9.39%) Continuous Delivery
16 75 (8.00%) Computer Science
17 70 (7.47%) Fintech
18 68 (7.26%) Artificial Intelligence
Programming Languages
1 549 (58.59%) Java
2 463 (49.41%) Python
3 280 (29.88%) SQL
4 126 (13.45%) JavaScript
5 71 (7.58%) Go
6 68 (7.26%) R
7 65 (6.94%) Ruby
8 56 (5.98%) Groovy
9 42 (4.48%) Kotlin
10 41 (4.38%) C#
10 41 (4.38%) Java 8
11 36 (3.84%) Bash Shell
11 36 (3.84%) TypeScript
12 32 (3.42%) Clojure
13 26 (2.77%) C++
14 19 (2.03%) Perl
15 18 (1.92%) PL/SQL
16 13 (1.39%) ES6
17 12 (1.28%) Haskell
18 11 (1.17%) T-SQL
Qualifications
1 72 (7.68%) Degree
2 25 (2.67%) Computer Science Degree
2 25 (2.67%) PhD
3 15 (1.60%) Master's Degree
4 13 (1.39%) Security Cleared
5 10 (1.07%) SC Cleared
6 4 (0.43%) DV Cleared
7 2 (0.21%) AWS Certification
Quality Assurance & Compliance
1 22 (2.35%) QA
2 7 (0.75%) Data Quality
3 3 (0.32%) MiFID
3 3 (0.32%) SLA
4 2 (0.21%) EMIR
System Software
1 191 (20.38%) Docker
2 46 (4.91%) HDFS
3 9 (0.96%) VirtualBox
4 6 (0.64%) VMware Infrastructure
5 5 (0.53%) Oracle RAC
6 4 (0.43%) Apache Flume
6 4 (0.43%) Apache ZooKeeper
7 1 (0.11%) Virtual Machines
Systems Management
1 152 (16.22%) Kubernetes
2 71 (7.58%) Terraform
3 52 (5.55%) Ansible
4 48 (5.12%) Hadoop YARN
5 29 (3.09%) Puppet
6 16 (1.71%) Mesos
7 15 (1.60%) Marathon
7 15 (1.60%) Salt
8 11 (1.17%) Opscode Chef
9 9 (0.96%) Docker Swarm
10 8 (0.85%) Prometheus
11 7 (0.75%) Grafana
11 7 (0.75%) Oozie
12 5 (0.53%) Kibana
13 4 (0.43%) Istio
13 4 (0.43%) linkerd
14 3 (0.32%) logstash
15 2 (0.21%) Ambari
15 2 (0.21%) Packer
15 2 (0.21%) Sysdig
Vendors
1 107 (11.42%) Google
2 66 (7.04%) Oracle
3 47 (5.02%) Cloudera
4 38 (4.06%) Hortonworks
5 33 (3.52%) Databricks
6 25 (2.67%) Red Hat
7 24 (2.56%) Microsoft
8 22 (2.35%) Atlassian
9 19 (2.03%) Tableau
9 19 (2.03%) Teradata
10 17 (1.81%) Talend
11 16 (1.71%) Palantir
12 12 (1.28%) Sybase
13 11 (1.17%) Informatica
14 9 (0.96%) Datactics
14 9 (0.96%) IBM
15 8 (0.85%) Foundry
15 8 (0.85%) hybris
16 7 (0.75%) Ab Initio
17 6 (0.64%) VMware