Period
to 29 July 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 29 July 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
29 Jul 2021
Same period 2020 Same period 2019
Rank 144 208 187
Rank change year-on-year +64 -21 -27
Contract jobs citing Scala 1,348 469 1,346
As % of all contract jobs advertised in the UK 1.88% 1.28% 1.47%
As % of the Programming Languages category 4.67% 3.09% 3.45%
Number of daily rates quoted 904 298 993
10th Percentile £426 £413 £416
25th Percentile £500 £463 £488
Median daily rate (50th Percentile) £584 £550 £563
Median % change year-on-year +6.23% -2.22% +2.27%
75th Percentile £673 £629 £650
90th Percentile £725 £693 £700
UK excluding London median daily rate £508 £489 £500
% change year-on-year +3.84% -2.25% -
Number of hourly rates quoted 7 1 0
Median hourly rate £26.00 £57.50 -
Median % change year-on-year -54.78% - -
UK excluding London median hourly rate £19.50 £57.50 -
% change year-on-year -66.09% - -

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 28,859 15,162 39,071
As % of all contract IT jobs advertised in the UK 40.21% 41.27% 42.63%
Number of daily rates quoted 20,449 10,687 27,316
10th Percentile £350 £325 £323
25th Percentile £413 £406 £400
Median daily rate (50th Percentile) £500 £500 £475
Median % change year-on-year - +5.26% +2.70%
75th Percentile £606 £588 £575
90th Percentile £700 £679 £650
UK excluding London median daily rate £450 £450 £425
% change year-on-year - +5.88% +3.03%
Number of hourly rates quoted 470 274 662
10th Percentile £16.11 £16.08 £20.31
25th Percentile £25.00 £21.68 £34.00
Median hourly rate £42.50 £42.50 £44.96
Median % change year-on-year - -5.47% +11.01%
75th Percentile £55.00 £50.00 £50.97
90th Percentile £65.28 £57.85 £55.00
UK excluding London median hourly rate £42.25 £42.50 £45.00
% change year-on-year -0.59% -5.56% +11.11%

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 29 July 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 29 July 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 29 July 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 +49 1,052 £595 +8.18% 273
London +20 710 £613 +8.36% 189
Work from Home +20 459 £554 +3.94% 49
UK excluding London +70 318 £508 +3.84% 104
North of England +21 75 £500 +5.26% 39
South East -25 72 £516 +7.22% 21
Scotland -14 51 £525 +2.44% 8
Midlands 0 47 £495 +4.21% 11
Yorkshire +10 44 £475 - 19
West Midlands +5 42 £495 +4.21% 9
South West -9 35 £508 -7.73% 7
East of England +13 24 £525 -19.23% 5
North West -11 24 £550 +18.92% 16
Wales +1 15 £485 +10.86% 11
North East -3 7 £586 +17.20% 4
East Midlands -16 2 £500 - 2

For the 6 months to 29 July 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.

1 692 (51.34%) Java
2 636 (47.18%) Agile Software Development
3 555 (41.17%) Python
4 462 (34.27%) SQL
5 397 (29.45%) Apache Spark
6 374 (27.74%) AWS
7 349 (25.89%) Finance
8 348 (25.82%) DevOps
9 342 (25.37%) Azure
10 331 (24.55%) TDD
11 307 (22.77%) Kafka
12 283 (20.99%) Kubernetes
13 281 (20.85%) Big Data
14 271 (20.10%) Microservices
15 263 (19.51%) Hadoop
16 254 (18.84%) Software Engineering
16 254 (18.84%) Docker
17 239 (17.73%) Social Skills
18 231 (17.14%) Analytics
19 228 (16.91%) GCP
20 226 (16.77%) Git (software)
21 211 (15.65%) Scrum
22 208 (15.43%) Banking
23 194 (14.39%) Apache Hive
24 189 (14.02%) Jenkins
25 171 (12.69%) BDD
26 170 (12.61%) Data Engineering
27 169 (12.54%) Play Framework
28 168 (12.46%) Test Automation
28 168 (12.46%) JavaScript

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
1 397 (29.45%) Apache Spark
2 137 (10.16%) Apache
3 77 (5.71%) Apache Airflow
3 77 (5.71%) Confluence
4 56 (4.15%) Elasticsearch
5 32 (2.37%) WebLogic
6 25 (1.85%) Luigi
7 24 (1.78%) Oracle Coherence
8 23 (1.71%) SAS
9 20 (1.48%) Tomcat
10 13 (0.96%) JBoss
11 9 (0.67%) Apache Solr
12 7 (0.52%) Apache Pig
12 7 (0.52%) OpenStack
13 6 (0.45%) Apache Pulsar
13 6 (0.45%) Oracle Workflow
14 5 (0.37%) GeoServer
14 5 (0.37%) IBM Domino
15 4 (0.30%) Jupyter
15 4 (0.30%) Red Hat Fuse
Applications
1 14 (1.04%) Microsoft Excel
2 2 (0.15%) Microsoft Project
3 1 (0.074%) Microsoft Office
3 1 (0.074%) Photoshop
Business Applications
1 4 (0.30%) Dynamics CRM
2 2 (0.15%) Magento
Cloud Services
1 374 (27.74%) AWS
2 342 (25.37%) Azure
3 228 (16.91%) GCP
4 83 (6.16%) GitHub
4 83 (6.16%) Serverless
5 76 (5.64%) Amazon S3
6 61 (4.53%) Azure Data Factory
7 56 (4.15%) Azure Cosmos DB
8 43 (3.19%) AWS Lambda
9 38 (2.82%) Amazon EMR
10 34 (2.52%) Power Platform
11 29 (2.15%) Azure Functions
12 25 (1.85%) Azure Synapse Analytics
13 23 (1.71%) Amazon EC2
14 20 (1.48%) Snowflake
15 18 (1.34%) AWS CloudFormation
15 18 (1.34%) Google Analytics
16 17 (1.26%) Amazon SQS
17 16 (1.19%) Amazon Kinesis
18 15 (1.11%) Azure Storage
Communications & Networking
1 56 (4.15%) HTTP
2 41 (3.04%) SSL
3 34 (2.52%) TCP/IP
4 10 (0.74%) Kerberos
5 6 (0.45%) Firewall
6 5 (0.37%) Internet
7 2 (0.15%) HTTPS
7 2 (0.15%) Intranet
7 2 (0.15%) Network Security
8 1 (0.074%) ADSL
8 1 (0.074%) FTP
8 1 (0.074%) MQTT
8 1 (0.074%) PuTTY
Database & Business Intelligence
1 281 (20.85%) Big Data
2 263 (19.51%) Hadoop
3 194 (14.39%) Apache Hive
4 153 (11.35%) NoSQL
5 115 (8.53%) MongoDB
6 105 (7.79%) Apache Cassandra
7 96 (7.12%) Data Warehouse
8 94 (6.97%) PostgreSQL
9 93 (6.90%) HBase
10 92 (6.82%) Relational Database
11 89 (6.60%) Data Lake
12 81 (6.01%) BigQuery
13 58 (4.30%) Redis
14 53 (3.93%) Amazon DynamoDB
15 49 (3.64%) Metadata
16 48 (3.56%) Impala
16 48 (3.56%) Spark SQL
17 41 (3.04%) MySQL
18 39 (2.89%) SQL Server
19 34 (2.52%) Tableau
Development Applications
1 226 (16.77%) Git (software)
2 189 (14.02%) Jenkins
3 103 (7.64%) JIRA
4 73 (5.42%) Gatling
5 58 (4.30%) Maven
6 47 (3.49%) JUnit
7 46 (3.41%) Bitbucket
8 39 (2.89%) Selenium
9 38 (2.82%) Sonatype Nexus
10 36 (2.67%) Cucumber
11 32 (2.37%) GitLab
12 30 (2.23%) Mockito
13 22 (1.63%) Gradle
13 22 (1.63%) IntelliJ
14 19 (1.41%) TeamCity
15 18 (1.34%) git-flow
16 15 (1.11%) Hudson
16 15 (1.11%) IBM UrbanCode
17 13 (0.96%) LoadRunner
18 12 (0.89%) Artifactory
General
1 349 (25.89%) Finance
2 239 (17.73%) Social Skills
3 208 (15.43%) Banking
4 89 (6.60%) Investment Banking
5 87 (6.45%) Analytical Skills
5 87 (6.45%) Front Office
6 85 (6.31%) Public Sector
7 22 (1.63%) Presentation Skills
8 21 (1.56%) Retail
9 16 (1.19%) Influencing Skills
9 16 (1.19%) Marketing
10 14 (1.04%) Retail Banking
11 13 (0.96%) Publishing
12 12 (0.89%) Documentation Skills
13 8 (0.59%) Law
13 8 (0.59%) Multimedia
14 7 (0.52%) Advertising
15 5 (0.37%) Telecoms
16 4 (0.30%) Legal
16 4 (0.30%) Pharmaceutical
Job Titles
1 673 (49.93%) Developer
2 374 (27.74%) Scala Developer
3 318 (23.59%) Data Engineer
4 167 (12.39%) Java Developer
5 137 (10.16%) Senior Developer
6 111 (8.23%) Scala Engineer
7 93 (6.90%) Software Engineer
8 68 (5.04%) Architect
9 64 (4.75%) Senior Scala Developer
10 62 (4.60%) Senior Java Developer
11 57 (4.23%) Lead Developer
12 54 (4.01%) Azure Engineer
12 54 (4.01%) Big Data Engineer
13 43 (3.19%) AWS Engineer
14 38 (2.82%) Scala Software Engineer
15 36 (2.67%) Java Engineer
16 35 (2.60%) DevOps Engineer
16 35 (2.60%) Java Scala Developer
17 33 (2.45%) Apache Spark Developer
18 32 (2.37%) Front Office Developer
Libraries, Frameworks & Software Standards
1 307 (22.77%) Kafka
2 169 (12.54%) Play Framework
3 157 (11.65%) Akka
4 148 (10.98%) Spring
5 132 (9.79%) RESTful
6 107 (7.94%) PySpark
7 94 (6.97%) REST
8 91 (6.75%) Node.js
8 91 (6.75%) React
9 82 (6.08%) Web Services
10 74 (5.49%) Spring Boot
11 70 (5.19%) CSS
12 69 (5.12%) JSON
13 64 (4.75%) HTML
14 57 (4.23%) Spark Streaming
15 49 (3.64%) GraphQL
16 41 (3.04%) .NET
16 41 (3.04%) AngularJS
17 39 (2.89%) J2EE
18 37 (2.74%) Memcached
Miscellaneous
1 122 (9.05%) Data Structures
2 98 (7.27%) Algorithms
3 71 (5.27%) Derivative
4 69 (5.12%) Foreign Exchange (FX)
5 48 (3.56%) Data Protection Act
6 45 (3.34%) Fixed Income
7 39 (2.89%) Greenfield Project
8 38 (2.82%) Equities
9 34 (2.52%) Management Information System
10 33 (2.45%) User Experience
11 32 (2.37%) Hedge funds
12 31 (2.30%) Public Cloud
13 30 (2.23%) Credit Risk
14 25 (1.85%) iPad
15 20 (1.48%) Cloud Native
15 20 (1.48%) Linux Command Line
16 13 (0.96%) Data Centre
17 12 (0.89%) Analytical Mindset
17 12 (0.89%) Virtual Team
18 10 (0.74%) Self-Motivation
Operating Systems
1 146 (10.83%) Linux
2 79 (5.86%) Unix
3 27 (2.00%) Windows
4 13 (0.96%) Android
5 7 (0.52%) Apple iOS
6 5 (0.37%) Debian
6 5 (0.37%) Ubuntu
6 5 (0.37%) VMS
7 1 (0.074%) Mac OS X
7 1 (0.074%) Red Hat Enterprise Linux
Processes & Methodologies
1 636 (47.18%) Agile Software Development
2 348 (25.82%) DevOps
3 331 (24.55%) TDD
4 271 (20.10%) Microservices
5 254 (18.84%) Software Engineering
6 231 (17.14%) Analytics
7 211 (15.65%) Scrum
8 171 (12.69%) BDD
9 170 (12.61%) Data Engineering
10 168 (12.46%) Test Automation
11 167 (12.39%) Continuous Integration
12 150 (11.13%) Data Pipeline
13 149 (11.05%) Data Modelling
14 120 (8.90%) ETL
15 106 (7.86%) Business Intelligence
16 105 (7.79%) Problem-Solving
17 97 (7.20%) Computer Science
18 91 (6.75%) Data Science
18 91 (6.75%) OO
19 90 (6.68%) Functional Programming
Programming Languages
1 692 (51.34%) Java
2 555 (41.17%) Python
3 462 (34.27%) SQL
4 168 (12.46%) JavaScript
5 106 (7.86%) Go
6 98 (7.27%) Kotlin
7 97 (7.20%) PL/SQL
8 95 (7.05%) C#
9 87 (6.45%) C++
10 78 (5.79%) Java 8
11 75 (5.56%) Ruby
12 64 (4.75%) R
13 60 (4.45%) TypeScript
14 38 (2.82%) Haskell
15 31 (2.30%) Shell Script
16 29 (2.15%) Groovy
17 25 (1.85%) C
18 22 (1.63%) T-SQL
19 19 (1.41%) HiveQL
20 18 (1.34%) Bash Shell
Qualifications
1 78 (5.79%) Security Cleared
2 67 (4.97%) Degree
3 60 (4.45%) SC Cleared
4 32 (2.37%) Computer Science Degree
5 10 (0.74%) BPSS Clearance
6 7 (0.52%) AWS Certification
6 7 (0.52%) DV Cleared
7 6 (0.45%) CISSP
7 6 (0.45%) Master's Degree
8 5 (0.37%) CISM
8 5 (0.37%) Numerate Degree
9 3 (0.22%) TOGAF Certification
10 2 (0.15%) DBS Check
10 2 (0.15%) ISEB
11 1 (0.074%) PhD
Quality Assurance & Compliance
1 48 (3.56%) QA
2 29 (2.15%) Data Quality
3 17 (1.26%) Accessibility
4 9 (0.67%) WCAG
5 7 (0.52%) IFRS
6 3 (0.22%) Disclosure Scotland
6 3 (0.22%) Dublin Core
6 3 (0.22%) GDPR
6 3 (0.22%) SLA
7 2 (0.15%) MiFID
7 2 (0.15%) Sarbanes-Oxley
8 1 (0.074%) HMG Security Policy Framework
8 1 (0.074%) ISO/IEC 27001
System Software
1 254 (18.84%) Docker
2 65 (4.82%) HDFS
3 8 (0.59%) Apache Flume
4 7 (0.52%) Virtual Machines
5 6 (0.45%) Apache ZooKeeper
6 1 (0.074%) Time Sharing Option
6 1 (0.074%) Xen
Systems Management
1 283 (20.99%) Kubernetes
2 75 (5.56%) Terraform
3 60 (4.45%) Grafana
4 53 (3.93%) Oozie
5 40 (2.97%) Prometheus
6 39 (2.89%) Ansible
7 28 (2.08%) Kibana
8 20 (1.48%) Puppet
9 19 (1.41%) Hadoop YARN
10 12 (0.89%) Istio
11 10 (0.74%) Single Sign-On
12 7 (0.52%) logstash
13 6 (0.45%) Active Directory Federation Services
13 6 (0.45%) Docker Swarm
13 6 (0.45%) Opscode Chef
13 6 (0.45%) Zipkin
14 4 (0.30%) Consul
14 4 (0.30%) Packer
15 3 (0.22%) Mesos
15 3 (0.22%) Rancher
Vendors
1 164 (12.17%) Oracle
2 127 (9.42%) Databricks
3 114 (8.46%) Google
4 68 (5.04%) Cloudera
5 43 (3.19%) Informatica
6 40 (2.97%) Microsoft
7 27 (2.00%) webMethods
8 25 (1.85%) Confluent
9 22 (1.63%) BEA
10 20 (1.48%) Atlassian
11 19 (1.41%) Hortonworks
12 17 (1.26%) Talend
13 14 (1.04%) StreamSets
14 13 (0.96%) Splunk
15 12 (0.89%) IBM
15 12 (0.89%) SOASTA, Inc
16 11 (0.82%) Adobe
17 9 (0.67%) Alteryx
18 7 (0.52%) Solace
18 7 (0.52%) Sybase