Period
to 15 June 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 15 June 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
15 Jun 2021
Same period 2020 Same period 2019
Rank 114 140 133
Rank change year-on-year +26 -7 -29
Contract jobs citing Scala 596 356 891
As % of all contract jobs advertised in London 2.32% 1.96% 2.22%
As % of the Programming Languages category 4.87% 4.00% 4.69%
Number of daily rates quoted 409 244 664
10th Percentile £462 £417 £476
25th Percentile £525 £500 £525
Median daily rate (50th Percentile) £600 £565 £600
Median % change year-on-year +6.15% -5.79% +9.09%
75th Percentile £699 £650 £675
90th Percentile £746 £700 £721
England median daily rate £575 £550 £560
% change year-on-year +4.55% -1.79% +1.82%
Number of hourly rates quoted 0 1 0
Median hourly rate - £18.70 -
England median hourly rate £24.00 £38.10 -
% change year-on-year -37.01% - -

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 12,244 8,904 19,015
As % of all contract IT jobs advertised in London 47.58% 48.96% 47.44%
Number of daily rates quoted 9,158 6,647 14,475
10th Percentile £375 £363 £363
25th Percentile £450 £439 £425
Median daily rate (50th Percentile) £550 £525 £525
Median % change year-on-year +4.76% - +5.00%
75th Percentile £650 £625 £613
90th Percentile £718 £713 £688
England median daily rate £500 £500 £480
% change year-on-year - +4.17% +1.05%
Number of hourly rates quoted 72 71 107
10th Percentile £20.33 £21.50 £18.14
25th Percentile £31.19 £26.87 £21.00
Median hourly rate £45.00 £47.83 £36.67
Median % change year-on-year -5.92% +30.43% -13.24%
75th Percentile £62.50 £60.50 £52.25
90th Percentile £68.36 £64.88 £54.25
England median hourly rate £42.50 £42.75 £44.50
% change year-on-year -0.58% -3.93% +8.54%

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 15 June 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 15 June 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 +7 77 £608 +7.47% 55
West London +10 21 £590 +7.27% 11
South London +16 6 £625 +25.00% 1
Scala
England

For the 6 months to 15 June 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.

1 336 (56.38%) Java
2 269 (45.13%) Agile Software Development
3 223 (37.42%) Python
4 203 (34.06%) Apache Spark
5 201 (33.72%) Finance
6 180 (30.20%) SQL
7 168 (28.19%) AWS
8 155 (26.01%) Azure
8 155 (26.01%) Banking
9 154 (25.84%) Kafka
10 153 (25.67%) TDD
11 142 (23.83%) Big Data
11 142 (23.83%) DevOps
11 142 (23.83%) Kubernetes
12 139 (23.32%) Docker
13 136 (22.82%) GCP
14 123 (20.64%) Hadoop
15 112 (18.79%) Software Engineering
16 108 (18.12%) Microservices
16 108 (18.12%) Social Skills
17 103 (17.28%) Analytics
17 103 (17.28%) Scrum
18 99 (16.61%) BDD
19 92 (15.44%) Front Office
19 92 (15.44%) Git (software)
20 90 (15.10%) Investment Banking
21 89 (14.93%) Spring
22 81 (13.59%) Jenkins
22 81 (13.59%) Data Pipeline
23 79 (13.26%) Apache

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
1 203 (34.06%) Apache Spark
2 79 (13.26%) Apache
3 42 (7.05%) Apache Airflow
4 20 (3.36%) Oracle Coherence
5 16 (2.68%) Confluence
6 12 (2.01%) Luigi
7 9 (1.51%) Elasticsearch
8 6 (1.01%) Apache Pig
8 6 (1.01%) OpenStack
9 5 (0.84%) Oracle Workflow
10 4 (0.67%) Jupyter
11 3 (0.50%) IBM Domino
12 2 (0.34%) Apache Solr
12 2 (0.34%) SAS
12 2 (0.34%) WebLogic
13 1 (0.17%) JBoss
13 1 (0.17%) Tomcat
Business Applications
1 2 (0.34%) Distributed Ledger
Cloud Services
1 168 (28.19%) AWS
2 155 (26.01%) Azure
3 136 (22.82%) GCP
4 32 (5.37%) Amazon S3
5 25 (4.19%) Serverless
6 22 (3.69%) Amazon EC2
7 20 (3.36%) GitHub
8 16 (2.68%) Amazon EMR
9 15 (2.52%) Azure Cosmos DB
10 14 (2.35%) AWS Lambda
10 14 (2.35%) Azure Data Factory
11 12 (2.01%) Power Platform
12 9 (1.51%) Google Analytics
12 9 (1.51%) Google Compute Engine
13 8 (1.34%) Azure Functions
13 8 (1.34%) Azure Machine Learning
13 8 (1.34%) dbt
13 8 (1.34%) Snowflake
14 7 (1.17%) Amazon Kinesis
14 7 (1.17%) Azure Stack
Communications & Networking
1 22 (3.69%) SSL
2 17 (2.85%) TCP/IP
3 15 (2.52%) HTTP
4 4 (0.67%) Firewall
5 3 (0.50%) Kerberos
6 2 (0.34%) HTTPS
7 1 (0.17%) Internet
7 1 (0.17%) Network Security
Database & Business Intelligence
1 142 (23.83%) Big Data
2 123 (20.64%) Hadoop
3 70 (11.74%) Apache Hive
3 70 (11.74%) NoSQL
4 54 (9.06%) Apache Cassandra
5 46 (7.72%) BigQuery
6 44 (7.38%) Data Warehouse
7 40 (6.71%) Redis
8 37 (6.21%) Relational Database
9 36 (6.04%) PostgreSQL
10 29 (4.87%) Data Lake
11 27 (4.53%) MongoDB
12 24 (4.03%) HBase
13 22 (3.69%) Hazelcast
14 20 (3.36%) Impala
15 18 (3.02%) RDBMS
16 17 (2.85%) Amazon DynamoDB
16 17 (2.85%) Tableau
17 16 (2.68%) Spark SQL
18 15 (2.52%) SQL Server
Development Applications
1 92 (15.44%) Git (software)
2 81 (13.59%) Jenkins
3 29 (4.87%) Mockito
4 25 (4.19%) Gatling
4 25 (4.19%) Maven
5 23 (3.86%) JIRA
5 23 (3.86%) JUnit
6 16 (2.68%) Sonatype Nexus
7 14 (2.35%) git-flow
8 13 (2.18%) Cucumber
8 13 (2.18%) GitLab
8 13 (2.18%) Gradle
9 12 (2.01%) TeamCity
10 7 (1.17%) Selenium
11 6 (1.01%) Concordion
11 6 (1.01%) JBehave
12 5 (0.84%) ERwin
12 5 (0.84%) JMeter
12 5 (0.84%) Oracle APEX
12 5 (0.84%) WebDriver
General
1 201 (33.72%) Finance
2 155 (26.01%) Banking
3 108 (18.12%) Social Skills
4 92 (15.44%) Front Office
5 90 (15.10%) Investment Banking
6 43 (7.21%) Analytical Skills
7 12 (2.01%) Presentation Skills
7 12 (2.01%) Retail
8 11 (1.85%) Marketing
9 9 (1.51%) Public Sector
10 8 (1.34%) Multimedia
10 8 (1.34%) Retail Banking
11 6 (1.01%) Law
12 3 (0.50%) Influencing Skills
12 3 (0.50%) Publishing
13 2 (0.34%) Financial Institution
13 2 (0.34%) Pharmaceutical
13 2 (0.34%) Telecoms
14 1 (0.17%) German Language
14 1 (0.17%) Hebrew Language
Job Titles
1 336 (56.38%) Developer
2 185 (31.04%) Scala Developer
3 141 (23.66%) Data Engineer
4 108 (18.12%) Java Developer
5 95 (15.94%) Senior Developer
6 44 (7.38%) Senior Scala Developer
7 40 (6.71%) Scala Engineer
8 39 (6.54%) Senior Java Developer
9 29 (4.87%) Front Office Developer
10 26 (4.36%) Java Scala Developer
10 26 (4.36%) Software Engineer
11 24 (4.03%) React Developer
12 23 (3.86%) Big Data Engineer
12 23 (3.86%) Lead Developer
13 22 (3.69%) AWS Engineer
14 20 (3.36%) Apache Spark Developer
15 18 (3.02%) Architect
15 18 (3.02%) DevOps Engineer
16 17 (2.85%) Investment Banking Java Developer
17 15 (2.52%) Hadoop Developer
Libraries, Frameworks & Software Standards
1 154 (25.84%) Kafka
2 89 (14.93%) Spring
3 73 (12.25%) Akka
4 65 (10.91%) RESTful
5 51 (8.56%) React
6 48 (8.05%) Play Framework
7 44 (7.38%) Spring Boot
8 37 (6.21%) PySpark
9 36 (6.04%) Node.js
10 35 (5.87%) REST
11 33 (5.54%) GraphQL
12 31 (5.20%) Web Services
13 26 (4.36%) Memcached
14 24 (4.03%) AngularJS
15 22 (3.69%) JSON
16 20 (3.36%) Spark Streaming
17 18 (3.02%) Spring MVC
18 13 (2.18%) Hibernate
19 12 (2.01%) spray
19 12 (2.01%) Swagger
Miscellaneous
1 72 (12.08%) Data Structures
2 66 (11.07%) Algorithms
3 61 (10.23%) Derivative
4 54 (9.06%) Foreign Exchange (FX)
5 34 (5.70%) Fixed Income
6 32 (5.37%) Equities
7 27 (4.53%) Hedge funds
8 25 (4.19%) Management Information System
9 23 (3.86%) Credit Risk
10 21 (3.52%) Greenfield Project
11 11 (1.85%) User Experience
12 10 (1.68%) Equity Derivative
13 9 (1.51%) Grid Computing
13 9 (1.51%) Market Risk
14 8 (1.34%) Reference Data
15 6 (1.01%) Public Cloud
15 6 (1.01%) Virtual Team
16 5 (0.84%) Cloud Native
16 5 (0.84%) Data Centre
16 5 (0.84%) Self-Motivation
Operating Systems
1 66 (11.07%) Linux
2 20 (3.36%) Unix
3 5 (0.84%) Windows
4 4 (0.67%) Debian
4 4 (0.67%) VMS
5 1 (0.17%) Android
Processes & Methodologies
1 269 (45.13%) Agile Software Development
2 153 (25.67%) TDD
3 142 (23.83%) DevOps
4 112 (18.79%) Software Engineering
5 108 (18.12%) Microservices
6 103 (17.28%) Analytics
6 103 (17.28%) Scrum
7 99 (16.61%) BDD
8 81 (13.59%) Data Pipeline
9 67 (11.24%) Computer Science
9 67 (11.24%) Test Automation
10 62 (10.40%) Continuous Integration
11 55 (9.23%) Multithreading
12 54 (9.06%) ETL
13 50 (8.39%) Data Engineering
14 48 (8.05%) Data Science
15 43 (7.21%) OO
16 42 (7.05%) Data Modelling
17 40 (6.71%) E-Commerce
18 38 (6.38%) Business Intelligence
Programming Languages
1 336 (56.38%) Java
2 223 (37.42%) Python
3 180 (30.20%) SQL
4 75 (12.58%) Kotlin
5 67 (11.24%) JavaScript
6 52 (8.72%) C++
7 49 (8.22%) Java 8
8 43 (7.21%) C#
8 43 (7.21%) Go
9 38 (6.38%) TypeScript
10 32 (5.37%) PL/SQL
11 27 (4.53%) Ruby
12 25 (4.19%) Haskell
13 19 (3.19%) R
14 11 (1.85%) Groovy
15 9 (1.51%) PowerShell
16 8 (1.34%) C
17 7 (1.17%) Clojure
17 7 (1.17%) PHP
17 7 (1.17%) Rust
Qualifications
1 45 (7.55%) Degree
2 16 (2.68%) Numerate Degree
3 15 (2.52%) Computer Science Degree
4 14 (2.35%) SC Cleared
4 14 (2.35%) Security Cleared
5 3 (0.50%) DV Cleared
5 3 (0.50%) TOGAF Certification
6 2 (0.34%) Master's Degree
7 1 (0.17%) CISSP
7 1 (0.17%) PhD
Quality Assurance & Compliance
1 13 (2.18%) QA
2 9 (1.51%) Data Quality
3 3 (0.50%) IFRS
4 1 (0.17%) Dublin Core
4 1 (0.17%) MiFID
System Software
1 139 (23.32%) Docker
2 23 (3.86%) HDFS
3 3 (0.50%) Apache Flume
3 3 (0.50%) Apache ZooKeeper
Systems Management
1 142 (23.83%) Kubernetes
2 31 (5.20%) Terraform
3 27 (4.53%) Grafana
3 27 (4.53%) Prometheus
4 19 (3.19%) Ansible
5 13 (2.18%) Oozie
6 10 (1.68%) Istio
7 8 (1.34%) Zipkin
8 7 (1.17%) Puppet
9 6 (1.01%) Hadoop YARN
9 6 (1.01%) Opscode Chef
10 3 (0.50%) Active Directory Federation Services
10 3 (0.50%) Kibana
10 3 (0.50%) Rancher
11 2 (0.34%) Kubeflow
11 2 (0.34%) linkerd
12 1 (0.17%) Packer
Vendors
1 65 (10.91%) Google
2 60 (10.07%) Oracle
3 35 (5.87%) Databricks
4 22 (3.69%) Atlassian
5 20 (3.36%) Cloudera
6 14 (2.35%) Informatica
6 14 (2.35%) Microsoft
7 12 (2.01%) Hortonworks
8 9 (1.51%) Confluent
9 7 (1.17%) Alteryx
9 7 (1.17%) Solace
9 7 (1.17%) StreamSets
10 6 (1.01%) Splunk
11 5 (0.84%) Sybase
12 3 (0.50%) Dynatrace
12 3 (0.50%) hybris
12 3 (0.50%) IBM
12 3 (0.50%) Salesforce.com
12 3 (0.50%) Xerox
13 2 (0.34%) MapR