Period
to 17 September 2021

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 17 September 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
England > London
6 months to
17 Sep 2021
Same period 2020 Same period 2019
Rank 113 137 112
Rank change year-on-year +24 -25 +10
Contract jobs citing Scala 776 271 932
As % of all contract jobs advertised in London 2.32% 2.01% 2.38%
As % of the Programming Languages category 5.06% 3.98% 5.05%
Number of daily rates quoted 543 174 737
10th Percentile £469 £413 £475
25th Percentile £536 £477 £525
Median daily rate (50th Percentile) £625 £550 £600
Median % change year-on-year +13.64% -8.33% +4.35%
75th Percentile £700 £638 £675
90th Percentile £756 £697 £725
England median daily rate £600 £525 £575
% change year-on-year +14.29% -8.70% +4.55%

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 15,350 6,808 18,466
As % of all contract IT jobs advertised in London 45.89% 50.42% 47.14%
Number of daily rates quoted 11,562 4,997 14,089
10th Percentile £400 £363 £363
25th Percentile £463 £431 £425
Median daily rate (50th Percentile) £550 £525 £525
Median % change year-on-year +4.76% - -
75th Percentile £665 £638 £613
90th Percentile £738 £738 £688
England median daily rate £525 £500 £480
% change year-on-year +5.00% +4.17% +1.05%
Number of hourly rates quoted 87 47 100
10th Percentile £20.79 £21.80 £16.50
25th Percentile £34.94 £26.75 £22.19
Median hourly rate £48.58 £37.93 £47.25
Median % change year-on-year +28.09% -19.74% +21.15%
75th Percentile £63.13 £49.11 £52.50
90th Percentile £68.92 £57.90 £60.05
England median hourly rate £45.00 £41.00 £45.00
% change year-on-year +9.76% -8.89% +7.34%

Scala
Job Vacancy Trend in London

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

Job vacancy trend for Scala in London

Scala
Contractor Daily Rate Trend in London

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

Daily rate trend for Scala in London

Scala
Daily Rate Histogram in London

Daily rate distribution for jobs citing Scala in London over the 6 months to 17 September 2021.

Daily rate histogram for Scala in London

Scala
Contractor Hourly Rate Trend in London

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

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 17 September 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
Central London -23 91 £625 +13.64% 56
West London +2 29 £649 +3.80% 20
South London +8 10 £600 +11.63% 3
Scala
England

For the 6 months to 17 September 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 across the London region with a requirement for Scala.

1 386 (49.74%) Java
2 362 (46.65%) Agile Software Development
3 335 (43.17%) Python
4 268 (34.54%) Apache Spark
5 259 (33.38%) SQL
6 240 (30.93%) Finance
7 216 (27.84%) AWS
8 199 (25.64%) Kafka
9 196 (25.26%) Big Data
10 190 (24.48%) Azure
11 187 (24.10%) Kubernetes
12 184 (23.71%) TDD
13 177 (22.81%) DevOps
14 174 (22.42%) Banking
15 165 (21.26%) GCP
16 163 (21.01%) Docker
17 147 (18.94%) Social Skills
17 147 (18.94%) Analytics
18 130 (16.75%) Hadoop
19 129 (16.62%) Microservices
20 125 (16.11%) Software Engineering
20 125 (16.11%) Scrum
21 121 (15.59%) Git (software)
22 113 (14.56%) Spring
23 109 (14.05%) Data Pipeline
24 108 (13.92%) Jenkins
25 102 (13.14%) BDD
26 101 (13.02%) NoSQL
26 101 (13.02%) JavaScript
27 96 (12.37%) Linux

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
1 268 (34.54%) Apache Spark
2 77 (9.92%) Apache
3 58 (7.47%) Apache Airflow
4 26 (3.35%) Elasticsearch
5 25 (3.22%) Luigi
6 22 (2.84%) Tomcat
7 18 (2.32%) Confluence
8 17 (2.19%) Oracle Coherence
9 7 (0.90%) OpenStack
10 6 (0.77%) Apache Pig
11 5 (0.64%) Oracle Workflow
12 4 (0.52%) Jupyter
13 3 (0.39%) IBM Domino
13 3 (0.39%) WebLogic
14 2 (0.26%) SAS
15 1 (0.13%) CMS
15 1 (0.13%) Headless CMS
15 1 (0.13%) JBoss
15 1 (0.13%) Oracle SOA Suite
15 1 (0.13%) Umbraco
Applications
1 1 (0.13%) Photoshop
Business Applications
1 3 (0.39%) Magento
Cloud Services
1 216 (27.84%) AWS
2 190 (24.48%) Azure
3 165 (21.26%) GCP
4 51 (6.57%) Serverless
5 39 (5.03%) Amazon S3
6 36 (4.64%) Azure Cosmos DB
7 34 (4.38%) GitHub
8 30 (3.87%) Azure Data Factory
9 26 (3.35%) Azure Functions
10 23 (2.96%) Amazon EMR
11 21 (2.71%) Amazon EC2
12 13 (1.68%) AWS Lambda
13 11 (1.42%) Azure Synapse Analytics
13 11 (1.42%) Cloud Computing
14 10 (1.29%) Snowflake
15 9 (1.16%) dbt
15 9 (1.16%) Google Analytics
15 9 (1.16%) OpenShift
15 9 (1.16%) Power Platform
16 8 (1.03%) Azure Machine Learning
Communications & Networking
1 32 (4.12%) SSL
2 29 (3.74%) TCP/IP
3 20 (2.58%) HTTP
4 5 (0.64%) Firewall
5 3 (0.39%) Intranet
6 2 (0.26%) HTTPS
6 2 (0.26%) Internet
6 2 (0.26%) Kerberos
7 1 (0.13%) BGP
7 1 (0.13%) DNS
7 1 (0.13%) SSH
Database & Business Intelligence
1 196 (25.26%) Big Data
2 130 (16.75%) Hadoop
3 101 (13.02%) NoSQL
4 96 (12.37%) Apache Hive
5 67 (8.63%) Apache Cassandra
5 67 (8.63%) Relational Database
6 65 (8.38%) BigQuery
7 61 (7.86%) Data Warehouse
7 61 (7.86%) PostgreSQL
8 51 (6.57%) Redis
9 40 (5.15%) Data Lake
10 35 (4.51%) MongoDB
11 33 (4.25%) Hazelcast
11 33 (4.25%) Spark SQL
12 32 (4.12%) Metadata
13 31 (3.99%) HBase
14 26 (3.35%) SQL Server
15 25 (3.22%) Azkaban
16 23 (2.96%) Tableau
17 20 (2.58%) Amazon DynamoDB
Development Applications
1 121 (15.59%) Git (software)
2 108 (13.92%) Jenkins
3 48 (6.19%) Gatling
4 38 (4.90%) Maven
5 33 (4.25%) JIRA
6 25 (3.22%) Hudson
7 24 (3.09%) Mockito
8 21 (2.71%) GitLab
9 18 (2.32%) Cucumber
9 18 (2.32%) JUnit
10 16 (2.06%) TeamCity
11 15 (1.93%) IntelliJ
12 13 (1.68%) Selenium
12 13 (1.68%) Sonatype Nexus
13 12 (1.55%) Subversion
14 11 (1.42%) Gradle
15 10 (1.29%) WebDriver
16 7 (0.90%) JMeter
17 6 (0.77%) Bitbucket
17 6 (0.77%) CircleCI
General
1 240 (30.93%) Finance
2 174 (22.42%) Banking
3 147 (18.94%) Social Skills
4 80 (10.31%) Investment Banking
5 79 (10.18%) Front Office
6 57 (7.35%) Analytical Skills
7 24 (3.09%) Publishing
8 20 (2.58%) Marketing
9 16 (2.06%) Presentation Skills
9 16 (2.06%) Public Sector
10 12 (1.55%) Retail
11 8 (1.03%) Law
12 6 (0.77%) Multimedia
12 6 (0.77%) Retail Banking
13 5 (0.64%) Financial Institution
14 4 (0.52%) Telecoms
15 3 (0.39%) Influencing Skills
16 1 (0.13%) Documentation Skills
16 1 (0.13%) Organisational Skills
16 1 (0.13%) Police
Job Titles
1 390 (50.26%) Developer
2 217 (27.96%) Data Engineer
2 217 (27.96%) Scala Developer
3 108 (13.92%) Senior Developer
4 97 (12.50%) Java Developer
5 52 (6.70%) Senior Java Developer
6 46 (5.93%) Lead Developer
7 44 (5.67%) Senior Scala Developer
8 42 (5.41%) Scala Engineer
9 40 (5.15%) Big Data Engineer
10 33 (4.25%) Azure Engineer
10 33 (4.25%) React Developer
11 31 (3.99%) Front Office Developer
12 23 (2.96%) Senior Data Engineer
12 23 (2.96%) Software Engineer
13 22 (2.84%) Investment Banking Java Developer
14 21 (2.71%) Architect
15 20 (2.58%) DevOps Engineer
15 20 (2.58%) Java Scala Developer
16 17 (2.19%) AWS Engineer
Libraries, Frameworks & Software Standards
1 199 (25.64%) Kafka
2 113 (14.56%) Spring
3 87 (11.21%) Akka
3 87 (11.21%) RESTful
4 80 (10.31%) Play Framework
5 68 (8.76%) React
6 62 (7.99%) PySpark
7 61 (7.86%) Spring Boot
8 55 (7.09%) Node.js
9 52 (6.70%) Web Services
10 51 (6.57%) REST
11 41 (5.28%) GraphQL
12 36 (4.64%) Memcached
13 28 (3.61%) CSS
14 24 (3.09%) HTML
15 22 (2.84%) JSON
15 22 (2.84%) Spark Streaming
16 21 (2.71%) spray
17 20 (2.58%) AngularJS
17 20 (2.58%) Apache Avro
Miscellaneous
1 88 (11.34%) Data Structures
2 83 (10.70%) Algorithms
3 69 (8.89%) Derivative
4 61 (7.86%) Foreign Exchange (FX)
5 46 (5.93%) Fixed Income
6 35 (4.51%) Equities
7 32 (4.12%) Management Information System
8 31 (3.99%) Credit Risk
9 30 (3.87%) Hedge funds
10 29 (3.74%) Data Protection Act
11 19 (2.45%) Greenfield Project
12 15 (1.93%) Data Centre
13 14 (1.80%) Public Cloud
14 13 (1.68%) Market Risk
15 10 (1.29%) Reference Data
16 9 (1.16%) User Experience
17 8 (1.03%) Cloud Native
17 8 (1.03%) Equity Derivative
18 6 (0.77%) Legacy Applications
18 6 (0.77%) Legacy Code
Operating Systems
1 96 (12.37%) Linux
2 42 (5.41%) Unix
3 6 (0.77%) Android
3 6 (0.77%) Windows
4 5 (0.64%) Apple iOS
4 5 (0.64%) Debian
4 5 (0.64%) VMS
5 2 (0.26%) Mac OS X
Processes & Methodologies
1 362 (46.65%) Agile Software Development
2 184 (23.71%) TDD
3 177 (22.81%) DevOps
4 147 (18.94%) Analytics
5 129 (16.62%) Microservices
6 125 (16.11%) Scrum
6 125 (16.11%) Software Engineering
7 109 (14.05%) Data Pipeline
8 102 (13.14%) BDD
9 95 (12.24%) Data Engineering
10 93 (11.98%) Continuous Integration
11 85 (10.95%) Test Automation
12 81 (10.44%) Data Science
13 76 (9.79%) Multithreading
14 68 (8.76%) OO
15 65 (8.38%) Data Modelling
15 65 (8.38%) ETL
16 59 (7.60%) Unit Testing
17 58 (7.47%) Computer Science
17 58 (7.47%) Pair Programming
Programming Languages
1 386 (49.74%) Java
2 335 (43.17%) Python
3 259 (33.38%) SQL
4 101 (13.02%) JavaScript
5 86 (11.08%) Kotlin
6 62 (7.99%) C++
7 60 (7.73%) Java 8
8 56 (7.22%) C#
9 54 (6.96%) TypeScript
10 52 (6.70%) PL/SQL
11 41 (5.28%) Go
12 34 (4.38%) Haskell
13 21 (2.71%) R
13 21 (2.71%) Ruby
14 12 (1.55%) Groovy
15 10 (1.29%) C
16 9 (1.16%) Java 11
16 9 (1.16%) PowerShell
17 7 (0.90%) Bash Shell
18 6 (0.77%) HiveQL
Qualifications
1 41 (5.28%) Degree
2 26 (3.35%) Computer Science Degree
3 25 (3.22%) Security Cleared
4 21 (2.71%) SC Cleared
5 10 (1.29%) AWS Certification
6 3 (0.39%) PhD
6 3 (0.39%) TOGAF Certification
7 2 (0.26%) BPSS Clearance
7 2 (0.26%) DV Cleared
7 2 (0.26%) Master's Degree
8 1 (0.13%) CISSP
8 1 (0.13%) Tableau Certification
Quality Assurance & Compliance
1 17 (2.19%) Data Quality
2 16 (2.06%) QA
3 9 (1.16%) Accessibility
4 8 (1.03%) IFRS
5 4 (0.52%) WCAG
6 3 (0.39%) MiFID
7 2 (0.26%) Basel II
8 1 (0.13%) Dublin Core
8 1 (0.13%) SLA
System Software
1 163 (21.01%) Docker
2 17 (2.19%) HDFS
3 4 (0.52%) Apache ZooKeeper
4 1 (0.13%) Virtual Machines
4 1 (0.13%) Xen
Systems Management
1 187 (24.10%) Kubernetes
2 50 (6.44%) Terraform
3 42 (5.41%) Grafana
4 37 (4.77%) Prometheus
5 29 (3.74%) Ansible
6 22 (2.84%) Oozie
7 12 (1.55%) Kibana
7 12 (1.55%) Single Sign-On
8 11 (1.42%) Istio
9 10 (1.29%) Hadoop YARN
10 8 (1.03%) Docker Swarm
10 8 (1.03%) logstash
11 5 (0.64%) Kubeflow
11 5 (0.64%) Puppet
12 4 (0.52%) Opscode Chef
13 3 (0.39%) Control-M
13 3 (0.39%) Zipkin
14 2 (0.26%) Active Directory Federation Services
14 2 (0.26%) Rancher
15 1 (0.13%) Consul
Vendors
1 84 (10.82%) Oracle
2 75 (9.66%) Google
3 72 (9.28%) Databricks
4 36 (4.64%) Cloudera
5 28 (3.61%) Hortonworks
6 20 (2.58%) Microsoft
7 18 (2.32%) Informatica
8 13 (1.68%) Atlassian
9 9 (1.16%) Confluent
10 6 (0.77%) Alteryx
10 6 (0.77%) hybris
11 5 (0.64%) Dynatrace
11 5 (0.64%) SOASTA, Inc
12 4 (0.52%) IBM
12 4 (0.52%) Splunk
12 4 (0.52%) Sybase
13 3 (0.39%) Solace
13 3 (0.39%) StreamSets
13 3 (0.39%) webMethods
13 3 (0.39%) Xerox