Period
to 20 November 2017

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 20 November 2017 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
20 Nov 2017
Same period 2016 Same period 2015
Rank 93 76 73
Rank change year-on-year -17 -3 +92
Contract jobs citing Scala 187 213 273
As % of all contract IT jobs advertised in the City of London 2.64% 3.23% 2.99%
As % of the Programming Languages category 5.01% 6.41% 6.39%
Number of daily rates quoted 168 198 257
City of London median daily rate £600 £575 £625
Median daily rate % change year-on-year +4.35% -8.00% +21.95%
10th Percentile £503 £446 £475
90th Percentile £725 £688 £725
Central London median daily rate £600 £550 £625
% change year-on-year +9.09% -12.00% +25.00%
Number of hourly rates quoted 0 0 1
City of London median hourly rate - - £37.50
Central London median hourly rate - - £37.50

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 3731 3325 4275
As % of all contract IT jobs advertised in the City of London 52.64% 50.42% 46.76%
Number of daily rates quoted 3097 2800 3584
City of London median daily rate £525 £475 £475
Median daily rate % change year-on-year +10.53% - +5.56%
10th Percentile £363 £325 £313
90th Percentile £688 £650 £663
Central London median daily rate £513 £475 £475
% change year-on-year +7.89% - +5.56%
Number of hourly rates quoted 14 10 22
City of London median hourly rate £22.99 £27.50 £26.09
Median hourly rate % change year-on-year -16.39% +5.42% +30.43%
10th Percentile £15.12 £16.06 £16.10
90th Percentile £39.10 £55.19 £53.70
Central London median hourly rate £24.49 £27.50 £26.09
% change year-on-year -10.96% +5.42% +30.43%

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 20 November 2017.

Contractor daily rate histogram for Scala in the City of London

For the 6 months to 20 November 2017, IT contractor jobs citing Scala also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the City of London region with a requirement for Scala.

1 117 (62.57%) Java
2 105 (56.15%) Agile Software Development
3 88 (47.06%) TDD
4 66 (35.29%) Big Data
5 63 (33.69%) Apache Spark
6 58 (31.02%) Python
7 52 (27.81%) Hadoop
8 51 (27.27%) Banking
9 46 (24.60%) Akka
10 44 (23.53%) Finance
11 38 (20.32%) REST
12 32 (17.11%) Investment Banking
13 31 (16.58%) BDD
13 31 (16.58%) Kafka
14 30 (16.04%) Amazon AWS
15 29 (15.51%) Software Engineering
15 29 (15.51%) Scrum
16 28 (14.97%) HTML
16 28 (14.97%) Apache Cassandra
17 27 (14.44%) SQL
18 26 (13.90%) JavaScript
18 26 (13.90%) React
19 24 (12.83%) MongoDB
20 23 (12.30%) Git (software)
21 22 (11.76%) NoSQL
21 22 (11.76%) Microservices
21 22 (11.76%) DevOps
22 21 (11.23%) AngularJS
22 21 (11.23%) Node.js
22 21 (11.23%) CSS

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 63 (33.69%) Apache Spark
2 11 (5.88%) Apache
3 9 (4.81%) Apache Pig
4 5 (2.67%) Elasticsearch
5 4 (2.14%) Apache Solr
6 3 (1.60%) Jupyter
6 3 (1.60%) Oracle Coherence
6 3 (1.60%) Tomcat
7 2 (1.07%) SAS
8 1 (0.53%) Adobe Experience Manager
8 1 (0.53%) Cloud Foundry
8 1 (0.53%) MQSeries
8 1 (0.53%) OpenStack
8 1 (0.53%) WebLogic
Applications
1 1 (0.53%) Microsoft Excel
1 1 (0.53%) Microsoft Office
1 1 (0.53%) Microsoft PowerPoint
1 1 (0.53%) MS Visio
Cloud Services
1 30 (16.04%) Amazon AWS
2 7 (3.74%) Cloud Computing
3 6 (3.21%) Microsoft Azure
4 3 (1.60%) GitHub
4 3 (1.60%) npm
5 2 (1.07%) Amazon EC2
5 2 (1.07%) Amazon ElastiCache
5 2 (1.07%) AWS Elastic Beanstalk
5 2 (1.07%) BrowserStack
5 2 (1.07%) Google Cloud Platform
5 2 (1.07%) Heroku
5 2 (1.07%) vREST
6 1 (0.53%) Amazon S3
6 1 (0.53%) Amazon SQS
6 1 (0.53%) BlazeMeter
Communications & Networking
1 12 (6.42%) HTTP
2 5 (2.67%) SSL
3 3 (1.60%) TCP/IP
4 2 (1.07%) DNS
4 2 (1.07%) FTP
4 2 (1.07%) Network Security
5 1 (0.53%) Internet
5 1 (0.53%) LAN
5 1 (0.53%) LDAP
5 1 (0.53%) SSH
5 1 (0.53%) VPN
5 1 (0.53%) WAN
Database & Business Intelligence
1 66 (35.29%) Big Data
2 52 (27.81%) Hadoop
3 28 (14.97%) Apache Cassandra
4 24 (12.83%) MongoDB
5 22 (11.76%) NoSQL
6 19 (10.16%) Apache Hive
7 15 (8.02%) HBase
8 10 (5.35%) Impala
9 9 (4.81%) CouchDB
10 7 (3.74%) Relational Database
10 7 (3.74%) Sqoop
11 6 (3.21%) Hazelcast
11 6 (3.21%) PostgreSQL
12 5 (2.67%) RDBMS
13 4 (2.14%) Couchbase
13 4 (2.14%) MySQL
14 3 (1.60%) Blockchain
14 3 (1.60%) Neo4j
14 3 (1.60%) Oracle Database
14 3 (1.60%) Spark SQL
Development Applications
1 23 (12.30%) Git (software)
2 10 (5.35%) Jenkins
3 8 (4.28%) Maven
4 7 (3.74%) JIRA
5 6 (3.21%) Cucumber
6 5 (2.67%) TeamCity
7 4 (2.14%) Gradle
7 4 (2.14%) gulp
7 4 (2.14%) Selenium
8 3 (1.60%) Bower
8 3 (1.60%) Gatling
8 3 (1.60%) Jasmine
8 3 (1.60%) SonarQube
9 2 (1.07%) CircleCI
9 2 (1.07%) Geb
9 2 (1.07%) GitLab
9 2 (1.07%) Grunt
9 2 (1.07%) SoapUI
9 2 (1.07%) Spock
9 2 (1.07%) WebDriver
General
1 51 (27.27%) Banking
2 44 (23.53%) Finance
3 32 (17.11%) Investment Banking
4 21 (11.23%) Front Office
5 4 (2.14%) Financial Institution
6 3 (1.60%) Advertising
6 3 (1.60%) Publishing
7 2 (1.07%) Retail
8 1 (0.53%) Marketing
Job Titles
1 135 (72.19%) Developer
2 95 (50.80%) Scala Developer
3 48 (25.67%) Senior Developer
4 38 (20.32%) Senior Scala Developer
5 37 (19.79%) Java Developer
6 22 (11.76%) Big Data Developer
7 20 (10.70%) Java Scala Developer
8 16 (8.56%) Data Engineer
9 15 (8.02%) Senior Java Developer
10 10 (5.35%) Apache Spark Developer
11 8 (4.28%) Big Data Engineer
11 8 (4.28%) Java Engineer
11 8 (4.28%) Platform Engineer
11 8 (4.28%) Python Developer
11 8 (4.28%) Senior Java Scala Developer
12 6 (3.21%) AWS Developer
12 6 (3.21%) Front Office Developer
12 6 (3.21%) Senior Systems Developer
12 6 (3.21%) UI Developer
13 5 (2.67%) Senior Big Data Developer
Libraries, Frameworks & Software Standards
1 46 (24.60%) Akka
2 38 (20.32%) REST
3 31 (16.58%) Kafka
4 28 (14.97%) HTML
5 26 (13.90%) React
6 21 (11.23%) AngularJS
6 21 (11.23%) CSS
6 21 (11.23%) Node.js
7 20 (10.70%) HTML5
8 18 (9.63%) Play Framework
9 17 (9.09%) Web Services
10 16 (8.56%) RESTful
11 14 (7.49%) JSON
12 13 (6.95%) Spring
13 10 (5.35%) Redux
14 8 (4.28%) SOAP
15 7 (3.74%) XML
16 6 (3.21%) .NET
16 6 (3.21%) Hibernate
16 6 (3.21%) Middleware
Miscellaneous
1 15 (8.02%) Algorithms
2 14 (7.49%) Market Risk
3 13 (6.95%) Analytical Skills
3 13 (6.95%) Derivative
4 9 (4.81%) User Experience
5 7 (3.74%) Fintech
5 7 (3.74%) Grid Computing
5 7 (3.74%) Reference Data
6 6 (3.21%) Computer Science
6 6 (3.21%) Credit Risk
6 6 (3.21%) Greenfield Project
7 5 (2.67%) Fixed Income
8 3 (1.60%) Credit Derivative
8 3 (1.60%) Data Structures
8 3 (1.60%) Interest Rate Derivative
9 2 (1.07%) Equities
9 2 (1.07%) Foreign Exchange (FX)
9 2 (1.07%) Linked Data
9 2 (1.07%) Semantic Web
10 1 (0.53%) NHS
Operating Systems
1 14 (7.49%) Linux
2 8 (4.28%) Android
3 7 (3.74%) Apple iOS
3 7 (3.74%) Unix
4 5 (2.67%) Windows
5 1 (0.53%) AIX
5 1 (0.53%) Red Hat Enterprise Linux
5 1 (0.53%) Windows Server
Processes & Methodologies
1 105 (56.15%) Agile Software Development
2 88 (47.06%) TDD
3 31 (16.58%) BDD
4 29 (15.51%) Scrum
4 29 (15.51%) Software Engineering
5 22 (11.76%) DevOps
5 22 (11.76%) Microservices
6 17 (9.09%) Open Source
7 16 (8.56%) Continuous Integration
8 15 (8.02%) Data Modelling
8 15 (8.02%) OO
8 15 (8.02%) Risk Management
9 13 (6.95%) E-Commerce
9 13 (6.95%) Kanban
10 12 (6.42%) Continuous Delivery
10 12 (6.42%) Functional Programming
11 10 (5.35%) Mentoring
11 10 (5.35%) Pair Programming
11 10 (5.35%) SDLC
12 9 (4.81%) Multithreading
Programming Languages
1 117 (62.57%) Java
2 58 (31.02%) Python
3 27 (14.44%) SQL
4 26 (13.90%) JavaScript
5 10 (5.35%) Groovy
6 8 (4.28%) C#
6 8 (4.28%) Objective-C
7 7 (3.74%) Bash Shell
7 7 (3.74%) Kotlin
7 7 (3.74%) Ruby
8 6 (3.21%) ES6
9 5 (2.67%) TypeScript
10 4 (2.14%) Apple Swift
10 4 (2.14%) Clojure
10 4 (2.14%) Go
10 4 (2.14%) GraphQL
10 4 (2.14%) SPARQL
11 3 (1.60%) C++
12 2 (1.07%) COBOL
12 2 (1.07%) R
Qualifications
1 6 (3.21%) Degree
2 5 (2.67%) Security Cleared
3 4 (2.14%) SC Cleared
4 3 (1.60%) Computer Science Degree
5 2 (1.07%) Master's Degree
6 1 (0.53%) AWS Certification
6 1 (0.53%) PhD
Quality Assurance & Compliance
1 7 (3.74%) QA
2 6 (3.21%) MiFID
3 1 (0.53%) Data Quality
3 1 (0.53%) IFRS
3 1 (0.53%) IFRS 9
System Software
1 16 (8.56%) Docker
1 16 (8.56%) HDFS
2 8 (4.28%) Apache ZooKeeper
3 6 (3.21%) Apache Flume
Systems Management
1 10 (5.35%) Ansible
2 8 (4.28%) Puppet
3 7 (3.74%) Oozie
4 6 (3.21%) Mesos
5 5 (2.67%) Kubernetes
5 5 (2.67%) Terraform
6 4 (2.14%) Hadoop YARN
6 4 (2.14%) Opscode Chef
7 2 (1.07%) Control-M
7 2 (1.07%) Docker Swarm
7 2 (1.07%) Packer
7 2 (1.07%) ZABBIX
8 1 (0.53%) Consul
8 1 (0.53%) Grafana
8 1 (0.53%) Graphite
8 1 (0.53%) HP SiteScope
8 1 (0.53%) Nagios
8 1 (0.53%) Sysdig
Vendors
1 10 (5.35%) Oracle
2 6 (3.21%) Cloudera
3 3 (1.60%) Google
3 3 (1.60%) Hortonworks
4 2 (1.07%) ION Trading
4 2 (1.07%) Microsoft
4 2 (1.07%) New Relic
4 2 (1.07%) Palantir
4 2 (1.07%) SaltStack
4 2 (1.07%) TIBCO
5 1 (0.53%) Adobe
5 1 (0.53%) Bloomberg
5 1 (0.53%) Dynatrace
5 1 (0.53%) HP
5 1 (0.53%) Informatica
5 1 (0.53%) MuleSoft
5 1 (0.53%) Neustar
5 1 (0.53%) Red Hat
5 1 (0.53%) SOASTA, Inc
5 1 (0.53%) Talend