Period
to 24 July 2021

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Spring Boot skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Spring Boot over the 6 months to 24 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.

Spring Boot
Central London > City of London
6 months to
24 Jul 2021
Same period 2020 Same period 2019
Rank 84 96 103
Rank change year-on-year +12 +7 +61
Contract jobs citing Spring Boot 95 41 147
As % of all contract jobs advertised in the City of London 2.80% 1.69% 2.23%
As % of the Libraries, Frameworks & Software Standards category 8.29% 5.06% 6.07%
Number of daily rates quoted 79 33 114
10th Percentile £438 £426 £425
25th Percentile £513 £475 £500
Median daily rate (50th Percentile) £600 £575 £550
Median % change year-on-year +4.35% +4.55% +10.00%
75th Percentile £716 £625 £625
90th Percentile £750 £653 £675
Central London median daily rate £600 £575 £550
% change year-on-year +4.35% +4.55% +7.32%
Number of hourly rates quoted 1 1 0
Median hourly rate £35.00 £55.00 -
Median % change year-on-year -36.36% - -
Central London median hourly rate £35.00 £55.00 -
% change year-on-year -36.36% - -

Spring Boot is in the Software Libraries and Frameworks 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 technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
City of London
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 1,146 810 2,422
As % of all contract IT jobs advertised in the City of London 33.74% 33.44% 36.72%
Number of daily rates quoted 876 629 1,974
10th Percentile £409 £375 £413
25th Percentile £463 £450 £463
Median daily rate (50th Percentile) £585 £525 £525
Median % change year-on-year +11.33% - -
75th Percentile £650 £619 £600
90th Percentile £725 £688 £675
Central London median daily rate £575 £525 £525
% change year-on-year +9.52% - +0.96%
Number of hourly rates quoted 8 7 10
10th Percentile £15.88 £29.05 £20.15
25th Percentile £20.00 £34.75 £24.81
Median hourly rate £30.25 £39.00 £38.37
Median % change year-on-year -22.44% +1.64% +74.42%
75th Percentile £37.75 £52.63 £48.56
90th Percentile £47.43 £59.00 £56.50
Central London median hourly rate £35.00 £39.00 £41.75
% change year-on-year -10.26% -6.58% +89.75%

Spring Boot
Job Vacancy Trend in the City of London

Job postings citing Spring Boot as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for Spring Boot in the City of London

Spring Boot
Contractor Daily Rate Trend in the City of London

3-month moving average daily rate quoted in jobs citing Spring Boot in the City of London.

Daily rate trend for Spring Boot in the City of London

Spring Boot
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Spring Boot in the City of London over the 6 months to 24 July 2021.

Daily rate histogram for Spring Boot in the City of London

For the 6 months to 24 July 2021, IT contractor jobs citing Spring Boot 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 City of London region with a requirement for Spring Boot.

1 95 (100.00%) Java
2 90 (94.74%) Spring
3 66 (69.47%) Microservices
4 42 (44.21%) Agile Software Development
5 40 (42.11%) Kafka
6 38 (40.00%) Docker
7 37 (38.95%) Kubernetes
8 35 (36.84%) Banking
9 25 (26.32%) DevOps
10 24 (25.26%) Jenkins
11 23 (24.21%) Software Engineering
11 23 (24.21%) Finance
12 22 (23.16%) Java 8
13 21 (22.11%) AWS
14 18 (18.95%) RESTful
14 18 (18.95%) Multithreading
14 18 (18.95%) TDD
15 17 (17.89%) Scrum
16 16 (16.84%) Investment Banking
16 16 (16.84%) React
17 15 (15.79%) Maven
17 15 (15.79%) SQL
17 15 (15.79%) Foreign Exchange (FX)
18 14 (14.74%) Git (software)
18 14 (14.74%) REST
18 14 (14.74%) Hazelcast
19 13 (13.68%) AngularJS
19 13 (13.68%) Low Latency
19 13 (13.68%) E-Commerce
19 13 (13.68%) Migration

Spring Boot
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 6 (6.32%) Confluence
2 4 (4.21%) Apache Spark
2 4 (4.21%) Cloud Foundry
3 1 (1.05%) Oracle Coherence
Cloud Services
1 21 (22.11%) AWS
2 10 (10.53%) GCP
3 8 (8.42%) Azure
4 6 (6.32%) SaaS
5 4 (4.21%) Amazon Kinesis
6 3 (3.16%) GitHub
7 2 (2.11%) Amazon ECS
7 2 (2.11%) AWS CloudFormation
7 2 (2.11%) IaaS
7 2 (2.11%) Slack
8 1 (1.05%) Amazon ElastiCache
8 1 (1.05%) AWS Lambda
8 1 (1.05%) Azure Stack
8 1 (1.05%) Kong
8 1 (1.05%) OpenShift
8 1 (1.05%) Serverless
Communications & Networking
1 3 (3.16%) HTTP
1 3 (3.16%) HTTPS
2 1 (1.05%) Kerberos
Database & Business Intelligence
1 14 (14.74%) Hazelcast
2 10 (10.53%) NoSQL
3 6 (6.32%) Redis
4 5 (5.26%) MongoDB
4 5 (5.26%) SQL Server
5 4 (4.21%) PostgreSQL
5 4 (4.21%) Relational Database
6 2 (2.11%) Data Warehouse
7 1 (1.05%) Apache Ignite
7 1 (1.05%) Big Data
7 1 (1.05%) Hadoop
7 1 (1.05%) Infinispan
7 1 (1.05%) MySQL
7 1 (1.05%) RDBMS
Development Applications
1 24 (25.26%) Jenkins
2 15 (15.79%) Maven
3 14 (14.74%) Git (software)
4 8 (8.42%) JIRA
5 5 (5.26%) Cucumber
6 4 (4.21%) GitLab
7 3 (3.16%) JUnit
7 3 (3.16%) Sonatype Nexus
8 2 (2.11%) Mockito
8 2 (2.11%) Robot Framework
8 2 (2.11%) Selenium
9 1 (1.05%) Artifactory
9 1 (1.05%) gulp
9 1 (1.05%) Jasmine
9 1 (1.05%) Karma Test Runner
9 1 (1.05%) Protractor
9 1 (1.05%) SonarQube
9 1 (1.05%) Storybook
9 1 (1.05%) Subversion
9 1 (1.05%) webpack
General
1 35 (36.84%) Banking
2 23 (24.21%) Finance
3 16 (16.84%) Investment Banking
4 12 (12.63%) Social Skills
5 10 (10.53%) Front Office
6 7 (7.37%) Analytical Skills
7 3 (3.16%) Retail
8 2 (2.11%) Presentation Skills
8 2 (2.11%) Public Sector
9 1 (1.05%) Games
Job Titles
1 72 (75.79%) Developer
2 63 (66.32%) Java Developer
3 12 (12.63%) Senior Developer
3 12 (12.63%) Senior Java Developer
4 8 (8.42%) Java Engineer
5 6 (6.32%) E-Commerce Developer
5 6 (6.32%) Investment Banking Java Developer
5 6 (6.32%) Java E-Commerce Developer
5 6 (6.32%) Low Latency Java Developer
5 6 (6.32%) Software Engineer
6 5 (5.26%) Full Stack Developer
6 5 (5.26%) Oracle Developer
6 5 (5.26%) Senior Software Engineer
7 4 (4.21%) AWS Developer
7 4 (4.21%) Front Office Developer
8 3 (3.16%) Java Software Engineer
8 3 (3.16%) Market Data Developer
8 3 (3.16%) Senior Java Engineer
8 3 (3.16%) Senior Java Software Engineer
9 2 (2.11%) Python Developer
Libraries, Frameworks & Software Standards
1 90 (94.74%) Spring
2 40 (42.11%) Kafka
3 18 (18.95%) RESTful
4 16 (16.84%) React
5 14 (14.74%) REST
6 13 (13.68%) AngularJS
7 8 (8.42%) JSON
8 7 (7.37%) Web Services
9 5 (5.26%) JMS
9 5 (5.26%) Node.js
10 4 (4.21%) HTML
10 4 (4.21%) Redux
10 4 (4.21%) Spring Batch
10 4 (4.21%) XML
11 3 (3.16%) HTML5
11 3 (3.16%) JPA
11 3 (3.16%) Memcached
11 3 (3.16%) SOAP
12 2 (2.11%) .NET Framework
12 2 (2.11%) CSS
Miscellaneous
1 15 (15.79%) Foreign Exchange (FX)
2 6 (6.32%) Credit Risk
2 6 (6.32%) Greenfield Project
2 6 (6.32%) Self-Motivation
3 5 (5.26%) Data Structures
3 5 (5.26%) User Experience
4 4 (4.21%) Algorithms
4 4 (4.21%) Derivative
4 4 (4.21%) Enterprise Software
4 4 (4.21%) Fixed Income
4 4 (4.21%) Grid Computing
4 4 (4.21%) Market Risk
5 3 (3.16%) Legacy Systems
6 2 (2.11%) Clustering
6 2 (2.11%) Public Cloud
6 2 (2.11%) Reference Data
7 1 (1.05%) Equities
7 1 (1.05%) Interest Rate Derivative
7 1 (1.05%) Private Cloud
Operating Systems
1 4 (4.21%) Linux
1 4 (4.21%) Unix
2 1 (1.05%) Android
Processes & Methodologies
1 66 (69.47%) Microservices
2 42 (44.21%) Agile Software Development
3 25 (26.32%) DevOps
4 23 (24.21%) Software Engineering
5 18 (18.95%) Multithreading
5 18 (18.95%) TDD
6 17 (17.89%) Scrum
7 13 (13.68%) E-Commerce
7 13 (13.68%) Low Latency
7 13 (13.68%) Migration
8 11 (11.58%) High Availability
9 9 (9.47%) Continuous Integration
10 8 (8.42%) OO
11 7 (7.37%) Auto-Scaling
11 7 (7.37%) Performance Tuning
12 6 (6.32%) Electronic Trading
12 6 (6.32%) Event-Driven
12 6 (6.32%) OOP
12 6 (6.32%) Test Automation
13 5 (5.26%) Clean Code
Programming Languages
1 95 (100.00%) Java
2 22 (23.16%) Java 8
3 15 (15.79%) SQL
4 12 (12.63%) JavaScript
5 10 (10.53%) Java 11
6 9 (9.47%) Kotlin
7 8 (8.42%) Scala
8 7 (7.37%) TypeScript
9 6 (6.32%) Python
10 3 (3.16%) Haskell
10 3 (3.16%) PL/SQL
11 1 (1.05%) Apple Swift
11 1 (1.05%) C#
11 1 (1.05%) Clojure
11 1 (1.05%) Objective-C
11 1 (1.05%) Ruby
Qualifications
1 2 (2.11%) Degree
1 2 (2.11%) Security Cleared
2 1 (1.05%) Computer Science Degree
2 1 (1.05%) SC Cleared
Quality Assurance & Compliance
1 1 (1.05%) QA
System Software
1 38 (40.00%) Docker
Systems Management
1 37 (38.95%) Kubernetes
2 6 (6.32%) Ansible
Vendors
1 9 (9.47%) MuleSoft
1 9 (9.47%) Oracle
2 4 (4.21%) Solace
3 3 (3.16%) Confluent
4 2 (2.11%) Google
4 2 (2.11%) hybris
4 2 (2.11%) Salesforce.com
5 1 (1.05%) PeopleSoft
5 1 (1.05%) Workday