Period
to 9 May 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 9 May 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
9 May 2021
Same period 2020 Same period 2019
Rank 68 93 104
Rank change year-on-year +25 +11 +67
Contract jobs citing Spring Boot 83 70 165
As % of all contract jobs advertised in the City of London 3.07% 2.01% 2.53%
As % of the Libraries, Frameworks & Software Standards category 9.16% 5.90% 6.69%
Number of daily rates quoted 70 60 128
10th Percentile £444 £425 £461
25th Percentile £477 £473 £500
Median daily rate (50th Percentile) £575 £575 £575
75th Percentile £688 £628 £638
90th Percentile £738 £664 £688
Central London median daily rate £588 £575 £550
% change year-on-year +2.17% +4.55% +7.32%
Number of hourly rates quoted 0 1 0
Median hourly rate - £55.00 -
Central London median hourly rate - £55.00 -

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 906 1,186 2,465
As % of all contract IT jobs advertised in the City of London 33.51% 34.11% 37.73%
Number of daily rates quoted 686 940 1,999
10th Percentile £394 £381 £413
25th Percentile £461 £450 £463
Median daily rate (50th Percentile) £550 £525 £525
Median % change year-on-year +4.76% - -
75th Percentile £638 £613 £600
90th Percentile £700 £675 £675
Central London median daily rate £550 £525 £525
% change year-on-year +4.76% - +3.96%
Number of hourly rates quoted 3 5 9
10th Percentile £15.25 £27.20 £13.25
25th Percentile £15.63 £32.75 £22.25
Median hourly rate £17.50 £46.50 £35.00
Median % change year-on-year -62.37% +32.86% +60.92%
75th Percentile £20.63 £57.50 £49.13
90th Percentile £21.75 £59.75 £56.50
Central London median hourly rate £17.50 £50.75 £38.37
% change year-on-year -65.52% +32.26% +76.43%

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 9 May 2021.

Daily rate histogram for Spring Boot in the City of London

For the 6 months to 9 May 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 83 (100.00%) Java
2 78 (93.98%) Spring
3 48 (57.83%) Microservices
4 44 (53.01%) Kubernetes
5 40 (48.19%) Docker
6 36 (43.37%) Agile Software Development
6 36 (43.37%) Banking
7 30 (36.14%) Java 8
8 27 (32.53%) Kafka
9 25 (30.12%) Finance
10 22 (26.51%) TDD
11 20 (24.10%) AWS
12 19 (22.89%) Investment Banking
12 19 (22.89%) Jenkins
13 17 (20.48%) Maven
14 16 (19.28%) Multithreading
15 15 (18.07%) JavaScript
15 15 (18.07%) DevOps
15 15 (18.07%) React
16 14 (16.87%) Low Latency
16 14 (16.87%) Migration
16 14 (16.87%) REST
17 13 (15.66%) AngularJS
18 12 (14.46%) Software Engineering
18 12 (14.46%) Front Office
18 12 (14.46%) Linux
18 12 (14.46%) RESTful
19 10 (12.05%) Scala
19 10 (12.05%) Git (software)
19 10 (12.05%) Credit Risk

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 5 (6.02%) Cloud Foundry
2 4 (4.82%) Elasticsearch
3 2 (2.41%) Apache Spark
3 2 (2.41%) Camunda
3 2 (2.41%) Confluence
4 1 (1.20%) Jupyter
Cloud Services
1 20 (24.10%) AWS
2 8 (9.64%) SaaS
3 7 (8.43%) Azure
4 6 (7.23%) GCP
5 4 (4.82%) Amazon Kinesis
5 4 (4.82%) Serverless
6 3 (3.61%) AWS CloudFormation
6 3 (3.61%) GitHub
7 2 (2.41%) Amazon ECS
7 2 (2.41%) Amazon ElastiCache
7 2 (2.41%) Amazon S3
7 2 (2.41%) Amazon SQS
7 2 (2.41%) AWS Lambda
7 2 (2.41%) Azure Stack
7 2 (2.41%) IaaS
7 2 (2.41%) Slack
7 2 (2.41%) Virtual Private Cloud
8 1 (1.20%) Azure Functions
8 1 (1.20%) Azure Logic Apps
8 1 (1.20%) Azure Storage
Communications & Networking
1 2 (2.41%) DNS
1 2 (2.41%) FTP
1 2 (2.41%) HTTP
1 2 (2.41%) SSL
1 2 (2.41%) TCP/IP
Database & Business Intelligence
1 8 (9.64%) Hazelcast
2 6 (7.23%) MongoDB
3 5 (6.02%) PostgreSQL
3 5 (6.02%) Redis
4 3 (3.61%) MySQL
4 3 (3.61%) NoSQL
5 2 (2.41%) RDBMS
5 2 (2.41%) Relational Database
5 2 (2.41%) SQL Server
6 1 (1.20%) Amazon Aurora
6 1 (1.20%) Apache Hive
6 1 (1.20%) Cloud Spanner
6 1 (1.20%) Couchbase
Development Applications
1 19 (22.89%) Jenkins
2 17 (20.48%) Maven
3 10 (12.05%) Git (software)
4 6 (7.23%) Cucumber
5 3 (3.61%) Gatling
5 3 (3.61%) GitLab
5 3 (3.61%) JIRA
5 3 (3.61%) JUnit
6 2 (2.41%) Geb
6 2 (2.41%) Gradle
6 2 (2.41%) Mockito
6 2 (2.41%) Sonatype Nexus
6 2 (2.41%) Spock
6 2 (2.41%) webpack
7 1 (1.20%) JMeter
7 1 (1.20%) Mocha
7 1 (1.20%) PyUnit
7 1 (1.20%) Storybook
7 1 (1.20%) Subversion
General
1 36 (43.37%) Banking
2 25 (30.12%) Finance
3 19 (22.89%) Investment Banking
4 12 (14.46%) Front Office
5 8 (9.64%) Social Skills
6 6 (7.23%) Analytical Skills
7 2 (2.41%) Public Sector
8 1 (1.20%) Games
8 1 (1.20%) Retail
Job Titles
1 71 (85.54%) Developer
2 64 (77.11%) Java Developer
3 15 (18.07%) Senior Developer
4 13 (15.66%) Senior Java Developer
5 7 (8.43%) AWS Developer
6 6 (7.23%) Oracle Developer
7 5 (6.02%) Full Stack Developer
8 4 (4.82%) Investment Banking Java Developer
8 4 (4.82%) Java Engineer
9 3 (3.61%) Architect
9 3 (3.61%) E-Commerce Developer
9 3 (3.61%) Front Office Developer
9 3 (3.61%) Java E-Commerce Developer
9 3 (3.61%) Low Latency Java Developer
10 2 (2.41%) Angular Developer
10 2 (2.41%) Backend Developer
10 2 (2.41%) Market Data Developer
10 2 (2.41%) MuleSoft Developer
10 2 (2.41%) Software Developer
10 2 (2.41%) Solutions Architect
Libraries, Frameworks & Software Standards
1 78 (93.98%) Spring
2 27 (32.53%) Kafka
3 15 (18.07%) React
4 14 (16.87%) REST
5 13 (15.66%) AngularJS
6 12 (14.46%) RESTful
7 8 (9.64%) Node.js
8 6 (7.23%) JSON
9 5 (6.02%) HTML
9 5 (6.02%) Memcached
10 4 (4.82%) CSS
10 4 (4.82%) FIX Protocol
10 4 (4.82%) HTML5
10 4 (4.82%) JMS
10 4 (4.82%) XML
11 3 (3.61%) J2EE
11 3 (3.61%) Redux
12 2 (2.41%) GraphQL
12 2 (2.41%) JSON Schema
12 2 (2.41%) Lambda Expressions
Miscellaneous
1 10 (12.05%) Credit Risk
1 10 (12.05%) Foreign Exchange (FX)
2 9 (10.84%) Grid Computing
2 9 (10.84%) Market Risk
3 6 (7.23%) Data Structures
3 6 (7.23%) Self-Motivation
4 5 (6.02%) Algorithms
4 5 (6.02%) User Experience
5 3 (3.61%) Cloud Native
5 3 (3.61%) Greenfield Project
6 2 (2.41%) Clustering
6 2 (2.41%) Derivative
6 2 (2.41%) Enterprise Software
6 2 (2.41%) Fixed Income
6 2 (2.41%) SWIFT
7 1 (1.20%) Mobile App
Operating Systems
1 12 (14.46%) Linux
2 10 (12.05%) Unix
3 1 (1.20%) Android
Processes & Methodologies
1 48 (57.83%) Microservices
2 36 (43.37%) Agile Software Development
3 22 (26.51%) TDD
4 16 (19.28%) Multithreading
5 15 (18.07%) DevOps
6 14 (16.87%) Low Latency
6 14 (16.87%) Migration
7 12 (14.46%) Software Engineering
8 9 (10.84%) Data Analysis
8 9 (10.84%) E-Commerce
8 9 (10.84%) Performance Tuning
8 9 (10.84%) Risk Management
8 9 (10.84%) Visualisation
9 8 (9.64%) API Development
10 7 (8.43%) API Design
10 7 (8.43%) Continuous Delivery
10 7 (8.43%) Functional Programming
10 7 (8.43%) Functional Testing
10 7 (8.43%) High Availability
10 7 (8.43%) Non-Functional Testing
Programming Languages
1 83 (100.00%) Java
2 30 (36.14%) Java 8
3 15 (18.07%) JavaScript
4 10 (12.05%) Scala
5 8 (9.64%) Kotlin
6 7 (8.43%) SQL
6 7 (8.43%) TypeScript
7 5 (6.02%) Haskell
7 5 (6.02%) PL/SQL
8 4 (4.82%) Python
9 3 (3.61%) ES6
10 2 (2.41%) Go
11 1 (1.20%) Apple Swift
11 1 (1.20%) C#
11 1 (1.20%) Objective-C
Qualifications
1 6 (7.23%) SC Cleared
1 6 (7.23%) Security Cleared
2 1 (1.20%) AWS Certification
Quality Assurance & Compliance
1 2 (2.41%) ISO 20022
2 1 (1.20%) QA
System Software
1 40 (48.19%) Docker
2 1 (1.20%) VMware Infrastructure
2 1 (1.20%) vSphere
Systems Management
1 44 (53.01%) Kubernetes
2 7 (8.43%) Ansible
3 3 (3.61%) Terraform
4 2 (2.41%) Docker Swarm
4 2 (2.41%) Prometheus
5 1 (1.20%) Grafana
5 1 (1.20%) Puppet
5 1 (1.20%) Salt
5 1 (1.20%) vRealize
Vendors
1 10 (12.05%) MuleSoft
2 9 (10.84%) Oracle
3 4 (4.82%) Solace
4 3 (3.61%) Google
5 2 (2.41%) Salesforce.com
6 1 (1.20%) AppDynamics
6 1 (1.20%) Confluent
6 1 (1.20%) PeopleSoft
6 1 (1.20%) Splunk
6 1 (1.20%) VMware
6 1 (1.20%) Workday