Period
to 13 April 2021

The following table provides summary statistics for contract job vacancies 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 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
UK
6 months to
13 Apr 2021
Same period 2020 Same period 2019
Rank 135 199 181
Rank change year-on-year +64 -18 -38
Contract jobs citing Scala 996 821 1,468
As % of all contract jobs advertised in the UK 1.90% 1.37% 1.52%
As % of the Programming Languages category 4.68% 3.38% 3.53%
Number of daily rates quoted 658 585 989
10th Percentile £423 £413 £413
25th Percentile £496 £463 £465
Median daily rate (50th Percentile) £555 £550 £550
Median % change year-on-year +0.91% - +1.85%
75th Percentile £638 £613 £638
90th Percentile £700 £675 £695
UK excluding London median daily rate £521 £500 £475
% change year-on-year +4.20% +5.26% -5.00%
Number of hourly rates quoted 6 3 2
10th Percentile £17.77 £16.54 £19.36
25th Percentile £21.66 £17.35 £20.09
Median hourly rate £23.75 £18.70 £21.69
Median % change year-on-year +27.01% -13.77% -51.81%
75th Percentile £24.88 £18.94 £23.66
90th Percentile £51.25 £19.08 £24.61
UK excluding London median hourly rate £24.00 £17.59 £21.69
% change year-on-year +36.44% -18.88% -

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 with a requirement for coding skills.

All Programming Languages
UK
Contract vacancies with a requirement for coding skills 21,293 24,286 41,540
As % of all contract IT jobs advertised in the UK 40.57% 40.55% 43.07%
Number of daily rates quoted 15,003 17,073 29,369
10th Percentile £321 £325 £323
25th Percentile £400 £400 £394
Median daily rate (50th Percentile) £500 £485 £475
Median % change year-on-year +3.09% +2.11% +2.70%
75th Percentile £588 £575 £575
90th Percentile £675 £650 £650
UK excluding London median daily rate £425 £445 £425
% change year-on-year -4.49% +4.71% +6.25%
Number of hourly rates quoted 459 462 635
10th Percentile £15.46 £17.28 £17.03
25th Percentile £25.00 £22.55 £24.38
Median hourly rate £42.50 £43.50 £42.50
Median % change year-on-year -2.30% +2.35% +6.25%
75th Percentile £50.00 £50.00 £48.75
90th Percentile £61.05 £57.40 £53.75
UK excluding London median hourly rate £40.00 £42.50 £42.81
% change year-on-year -5.88% -0.72% +7.02%

Scala
Job Vacancy Trend

Job postings citing Scala as a proportion of all IT jobs advertised.

Job vacancy trend for Scala in the UK

Scala
Contractor Daily Rate Trend

3-month moving average daily rate quoted in jobs citing Scala.

Daily rate trend for Scala in the UK

Scala
Daily Rate Histogram

Daily rate distribution for jobs citing Scala over the 6 months to 13 April 2021.

Daily rate histogram for Scala in the UK

Scala
Contractor Hourly Rate Trend

3-month moving average hourly rates quoted in jobs citing Scala.

Hourly rate trend for Scala in the UK

Scala
Hourly Rate Histogram

Hourly rate distribution of jobs citing Scala over the 6 months to 13 April 2021.

Hourly rate histogram for Scala in the UK

Scala
Top 16 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Scala within the UK over the 6 months to 13 April 2021. 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
England +50 759 £575 +4.55% 237
London +24 515 £600 +5.73% 160
Work from Home -17 329 £525 -15.05% 48
UK excluding London +74 263 £521 +4.20% 91
South West +79 55 £500 -9.09% 5
North of England +33 55 £550 +15.79% 31
South East +24 51 £522 +5.45% 25
Scotland +11 46 £540 -6.09% 11
North West +36 22 £550 +5.26% 19
Midlands +34 21 £473 +2.44% 10
East of England +52 20 £597 +25.74% 6
Yorkshire +12 19 £555 +16.84% 11
Wales +13 16 £525 +10.53% 2
North East +31 15 £500 +20.48% 1
West Midlands +25 14 £465 -1.59% 7
East Midlands +25 1 £338 -25.00% 3

For the 6 months to 13 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 with a requirement for Scala.

1 545 (54.72%) Java
2 448 (44.98%) Agile Software Development
3 410 (41.16%) Python
4 336 (33.73%) Apache Spark
5 290 (29.12%) AWS
6 288 (28.92%) TDD
7 286 (28.71%) Finance
8 281 (28.21%) SQL
9 271 (27.21%) DevOps
10 244 (24.50%) Hadoop
11 227 (22.79%) Big Data
12 201 (20.18%) Microservices
13 200 (20.08%) Software Engineering
14 191 (19.18%) Azure
15 186 (18.67%) Kafka
16 175 (17.57%) Kubernetes
17 171 (17.17%) Banking
18 156 (15.66%) Docker
19 153 (15.36%) BDD
20 152 (15.26%) Scrum
21 151 (15.16%) Apache Hive
22 141 (14.16%) JavaScript
23 139 (13.96%) Apache
24 138 (13.86%) GCP
25 130 (13.05%) Git (software)
26 127 (12.75%) Jenkins
27 124 (12.45%) Linux
28 122 (12.25%) Test Automation
29 119 (11.95%) Front Office
30 118 (11.85%) Analytics

Scala
Co-occurring IT Skills 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
1 336 (33.73%) Apache Spark
2 139 (13.96%) Apache
3 73 (7.33%) Confluence
4 46 (4.62%) WebLogic
5 35 (3.51%) Apache Airflow
6 31 (3.11%) Elasticsearch
7 17 (1.71%) Oracle Coherence
8 10 (1.00%) CICS
8 10 (1.00%) Tomcat
9 9 (0.90%) JBoss
10 8 (0.80%) SAS
11 7 (0.70%) Apache Solr
12 5 (0.50%) GeoServer
13 4 (0.40%) Apache Pulsar
13 4 (0.40%) Jetty
13 4 (0.40%) MQSeries
13 4 (0.40%) Oracle Self-Service HR
13 4 (0.40%) Red Hat Fuse
14 3 (0.30%) ArcGIS
14 3 (0.30%) IBM Domino
Applications
1 5 (0.50%) Microsoft Excel
2 1 (0.10%) Microsoft Office
Business Applications
1 4 (0.40%) Dynamics CRM
1 4 (0.40%) Sparx Enterprise Architect
2 3 (0.30%) Distributed Ledger
Cloud Services
1 290 (29.12%) AWS
2 191 (19.18%) Azure
3 138 (13.86%) GCP
4 56 (5.62%) Serverless
5 55 (5.52%) Amazon S3
6 49 (4.92%) AWS Lambda
7 48 (4.82%) GitHub
8 33 (3.31%) Amazon EMR
9 25 (2.51%) Power Platform
10 18 (1.81%) Amazon EC2
11 17 (1.71%) Azure Data Factory
12 13 (1.31%) Amazon Kinesis
13 9 (0.90%) AWS CloudFormation
14 8 (0.80%) Amazon SQS
14 8 (0.80%) IaaS
14 8 (0.80%) PaaS
15 7 (0.70%) Google Analytics
16 6 (0.60%) CloudFront
16 6 (0.60%) npm
16 6 (0.60%) Yarn
Communications & Networking
1 20 (2.01%) HTTP
2 17 (1.71%) Kerberos
3 14 (1.41%) SSL
4 10 (1.00%) FTP
5 9 (0.90%) TCP/IP
6 4 (0.40%) SSH
7 2 (0.20%) Firewall
7 2 (0.20%) Unified Communications
8 1 (0.10%) ADSL
8 1 (0.10%) MQTT
8 1 (0.10%) Network Security
Database & Business Intelligence
1 244 (24.50%) Hadoop
2 227 (22.79%) Big Data
3 151 (15.16%) Apache Hive
4 102 (10.24%) NoSQL
5 77 (7.73%) HBase
6 67 (6.73%) Impala
7 61 (6.12%) MongoDB
8 59 (5.92%) Apache Cassandra
9 54 (5.42%) Data Lake
10 51 (5.12%) Relational Database
11 49 (4.92%) Data Warehouse
12 46 (4.62%) BigQuery
13 42 (4.22%) PostgreSQL
14 32 (3.21%) Amazon DynamoDB
15 29 (2.91%) Spark SQL
16 26 (2.61%) Blockchain
16 26 (2.61%) Redis
17 23 (2.31%) MySQL
18 22 (2.21%) Amazon Redshift
18 22 (2.21%) Apache Ignite
Development Applications
1 130 (13.05%) Git (software)
2 127 (12.75%) Jenkins
3 85 (8.53%) JIRA
4 54 (5.42%) Maven
5 44 (4.42%) Sonatype Nexus
6 41 (4.12%) JUnit
7 34 (3.41%) GitLab
8 32 (3.21%) Cucumber
9 31 (3.11%) Bitbucket
10 29 (2.91%) Gatling
10 29 (2.91%) Selenium
11 26 (2.61%) IBM UrbanCode
12 23 (2.31%) Gradle
13 19 (1.91%) Eclipse
14 17 (1.71%) Mockito
15 15 (1.51%) git-flow
16 14 (1.41%) Ant
16 14 (1.41%) ClearCase
17 13 (1.31%) IntelliJ
18 10 (1.00%) WebLogic Workshop
General
1 286 (28.71%) Finance
2 171 (17.17%) Banking
3 119 (11.95%) Front Office
4 95 (9.54%) Investment Banking
5 65 (6.53%) Public Sector
6 16 (1.61%) Retail Banking
7 13 (1.31%) Retail
8 12 (1.20%) Advertising
8 12 (1.20%) Marketing
9 6 (0.60%) Multimedia
10 4 (0.40%) Publishing
11 3 (0.30%) Financial Institution
11 3 (0.30%) Pharmaceutical
12 2 (0.20%) Telecoms
13 1 (0.10%) Games
13 1 (0.10%) Hebrew Language
13 1 (0.10%) Law
13 1 (0.10%) Legal
Job Titles
1 566 (56.83%) Developer
2 317 (31.83%) Scala Developer
3 186 (18.67%) Data Engineer
4 138 (13.86%) Java Developer
5 97 (9.74%) Scala Engineer
6 96 (9.64%) Senior Developer
7 91 (9.14%) Software Engineer
8 49 (4.92%) Apache Spark Developer
8 49 (4.92%) Senior Scala Developer
9 46 (4.62%) Hadoop Developer
10 42 (4.22%) Java Engineer
11 39 (3.92%) Big Data Engineer
12 38 (3.82%) Architect
13 33 (3.31%) Big Data Developer
13 33 (3.31%) Java Scala Developer
14 32 (3.21%) Developer/Software Engineer
14 32 (3.21%) Senior Java Developer
15 31 (3.11%) Software Developer
16 28 (2.81%) AWS Engineer
16 28 (2.81%) Scala Software Engineer
Libraries, Frameworks & Software Standards
1 186 (18.67%) Kafka
2 92 (9.24%) Spring
3 90 (9.04%) Play Framework
4 80 (8.03%) RESTful
5 75 (7.53%) Akka
6 71 (7.13%) Node.js
7 70 (7.03%) React
8 62 (6.22%) PySpark
9 56 (5.62%) Web Services
10 41 (4.12%) J2EE
11 40 (4.02%) HTML
12 37 (3.71%) Spark Streaming
13 36 (3.61%) JSON
14 35 (3.51%) REST
15 33 (3.31%) GraphQL
15 33 (3.31%) XML
16 31 (3.11%) CSS
16 31 (3.11%) Spring Boot
17 28 (2.81%) AngularJS
18 24 (2.41%) Ruby on Rails
Miscellaneous
1 70 (7.03%) Analytical Skills
2 65 (6.53%) Derivative
3 57 (5.72%) Equities
4 53 (5.32%) Data Structures
5 44 (4.42%) Algorithms
5 44 (4.42%) Fixed Income
6 42 (4.22%) Foreign Exchange (FX)
7 34 (3.41%) Greenfield Project
8 31 (3.11%) Linux Command Line
9 23 (2.31%) Hedge funds
10 17 (1.71%) Credit Risk
11 16 (1.61%) Analytical Mindset
12 15 (1.51%) Self-Motivation
13 14 (1.41%) Management Information System
13 14 (1.41%) User Experience
13 14 (1.41%) Virtual Team
14 12 (1.20%) Bitcoin
14 12 (1.20%) Market Risk
15 10 (1.00%) Grid Computing
15 10 (1.00%) Mainframe
Operating Systems
1 124 (12.45%) Linux
2 49 (4.92%) Unix
3 22 (2.21%) Android
4 18 (1.81%) Windows
5 9 (0.90%) Ubuntu
6 6 (0.60%) Apple iOS
7 4 (0.40%) CentOS
7 4 (0.40%) Debian
7 4 (0.40%) Mac OS X
7 4 (0.40%) Red Hat Enterprise Linux
Processes & Methodologies
1 448 (44.98%) Agile Software Development
2 288 (28.92%) TDD
3 271 (27.21%) DevOps
4 201 (20.18%) Microservices
5 200 (20.08%) Software Engineering
6 153 (15.36%) BDD
7 152 (15.26%) Scrum
8 122 (12.25%) Test Automation
9 118 (11.85%) Analytics
10 105 (10.54%) Data Engineering
11 101 (10.14%) Data Modelling
12 94 (9.44%) Continuous Integration
13 91 (9.14%) ETL
14 73 (7.33%) Business Intelligence
15 71 (7.13%) Problem-Solving
16 70 (7.03%) Data Ingestion
17 69 (6.93%) Computer Science
18 63 (6.33%) Data Science
18 63 (6.33%) Kanban
19 57 (5.72%) Functional Programming
Programming Languages
1 545 (54.72%) Java
2 410 (41.16%) Python
3 281 (28.21%) SQL
4 141 (14.16%) JavaScript
5 92 (9.24%) Kotlin
6 88 (8.84%) Go
7 85 (8.53%) C++
8 75 (7.53%) C#
9 65 (6.53%) Ruby
10 50 (5.02%) PL/SQL
11 48 (4.82%) Java 8
12 47 (4.72%) TypeScript
13 44 (4.42%) R
14 34 (3.41%) Shell Script
15 29 (2.91%) Haskell
16 22 (2.21%) Groovy
16 22 (2.21%) Rust
17 18 (1.81%) C
18 16 (1.61%) Bash Shell
18 16 (1.61%) Clojure
Qualifications
1 64 (6.43%) Security Cleared
2 50 (5.02%) Degree
2 50 (5.02%) SC Cleared
3 25 (2.51%) Numerate Degree
4 11 (1.10%) Computer Science Degree
5 10 (1.00%) DV Cleared
6 5 (0.50%) Master's Degree
7 4 (0.40%) CISSP
7 4 (0.40%) PhD
8 3 (0.30%) CISM
9 2 (0.20%) AWS Certification
9 2 (0.20%) BPSS Clearance
9 2 (0.20%) DBS Check
Quality Assurance & Compliance
1 25 (2.51%) QA
2 14 (1.41%) Data Quality
3 5 (0.50%) WCAG
4 3 (0.30%) MiFID
5 2 (0.20%) SLA
6 1 (0.10%) Disclosure Scotland
6 1 (0.10%) GDPR
System Software
1 156 (15.66%) Docker
2 88 (8.84%) HDFS
3 11 (1.10%) Apache Flume
4 10 (1.00%) Time Sharing Option
5 6 (0.60%) Apache ZooKeeper
6 2 (0.20%) Virtual Machines
Systems Management
1 175 (17.57%) Kubernetes
2 52 (5.22%) Terraform
3 47 (4.72%) Oozie
4 32 (3.21%) Puppet
5 31 (3.11%) Ansible
6 23 (2.31%) Grafana
6 23 (2.31%) Prometheus
7 19 (1.91%) Hadoop YARN
8 15 (1.51%) Kibana
9 8 (0.80%) Zipkin
10 5 (0.50%) Istio
10 5 (0.50%) Opscode Chef
11 4 (0.40%) PingFederate
11 4 (0.40%) Salt
11 4 (0.40%) Single Sign-On
12 2 (0.20%) linkerd
12 2 (0.20%) Mesos
12 2 (0.20%) Packer
13 1 (0.10%) Chronos
13 1 (0.10%) Rancher
Vendors
1 93 (9.34%) Oracle
2 67 (6.73%) Cloudera
3 60 (6.02%) Google
4 44 (4.42%) Databricks
5 32 (3.21%) webMethods
6 27 (2.71%) BEA
7 23 (2.31%) Atlassian
8 21 (2.11%) Hortonworks
9 20 (2.01%) Informatica
10 19 (1.91%) Microsoft
11 14 (1.41%) Bloomberg
11 14 (1.41%) Sybase
12 13 (1.31%) Confluent
13 11 (1.10%) StreamSets
14 10 (1.00%) IBM
15 9 (0.90%) Talend
16 7 (0.70%) SOASTA, Inc
16 7 (0.70%) Solace
16 7 (0.70%) Splunk
17 6 (0.60%) MapR