Period
to 22 April 2021

The median contractor rate for a Senior Developer was £575 per day in advertised job vacancies in the City of London during the 6 months to 22 April 2021.

The first table below provides contractor rate benchmarking and summary statistics including a comparison to 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.

Senior Developer
Central London > City of London
6 months to
22 Apr 2021
Same period 2020 Same period 2019
Rank 72 73 48
Rank change year-on-year +1 -25 -8
Contract jobs requiring a Senior Developer 72 104 310
As % of all contract jobs advertised in the City of London 2.88% 2.73% 4.62%
As % of the Job Titles category 3.07% 2.92% 4.90%
Number of daily rates quoted 64 81 270
10th Percentile £393 £413 £425
25th Percentile £485 £475 £506
Median daily rate (50th Percentile) £575 £575 £550
Median % change year-on-year - +4.55% -0.45%
75th Percentile £688 £650 £619
90th Percentile £709 £725 £685
Central London median daily rate £575 £565 £550
% change year-on-year +1.77% +2.73% -

The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies advertised in the City of London. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of contract jobs in our overall sample.

All Contract IT Job Vacancies
City of London
Contract vacancies in the City of London with a recognized job title 2,348 3,563 6,329
% of contract IT jobs with a recognized job title 93.92% 93.52% 94.27%
Number of daily rates quoted 1,726 2,697 4,914
10th Percentile £325 £300 £313
25th Percentile £425 £413 £413
Median daily rate (50th Percentile) £525 £500 £513
Median % change year-on-year +5.00% -2.44% +2.50%
75th Percentile £619 £600 £600
90th Percentile £700 £675 £675
Central London median daily rate £525 £500 £513
% change year-on-year +5.00% -2.44% +2.50%
Number of hourly rates quoted 25 55 59
10th Percentile £12.15 £12.42 £12.05
25th Percentile £13.63 £14.00 £15.25
Median hourly rate £17.98 £21.00 £19.50
Median % change year-on-year -14.40% +7.69% +4.28%
75th Percentile £27.00 £38.65 £24.08
90th Percentile £34.15 £51.85 £37.50
Central London median hourly rate £18.99 £20.00 £20.00
% change year-on-year -5.06% - +6.95%

Senior Developer
Job Vacancy Trend in the City of London

Job postings that featured Senior Developer in the job title as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for Senior Developer in the City of London

Senior Developer
Contractor Daily Rate Trend in the City of London

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

Daily rate trend for Senior Developer in the City of London

Senior Developer
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Senior Developer in the City of London over the 6 months to 22 April 2021.

Daily rate histogram for Senior Developer in the City of London

Senior Developer
Contractor Hourly Rate Trend in the City of London

3-month moving average hourly rates quoted in jobs citing Senior Developer in the City of London.

Hourly rate trend for Senior Developer in the City of London

Senior Developer Skill Set
Top 30 Co-occurring IT Skills in the City of London

For the 6 months to 22 April 2021, Senior Developer contract jobs required the following IT 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 featuring Senior Developer in the job title.

1 35 (48.61%) Java
2 26 (36.11%) Agile Software Development
3 25 (34.72%) JavaScript
4 24 (33.33%) Banking
5 22 (30.56%) Spring
6 19 (26.39%) Finance
6 19 (26.39%) Kubernetes
7 17 (23.61%) Docker
8 16 (22.22%) Linux
9 15 (20.83%) Front Office
9 15 (20.83%) TDD
9 15 (20.83%) Spring Boot
10 13 (18.06%) React
10 13 (18.06%) Microservices
10 13 (18.06%) AWS
10 13 (18.06%) Node.js
10 13 (18.06%) HTML
11 12 (16.67%) Maven
11 12 (16.67%) Git (software)
12 11 (15.28%) Investment Banking
12 11 (15.28%) CSS
13 10 (13.89%) Unix
13 10 (13.89%) MySQL
13 10 (13.89%) Software Engineering
13 10 (13.89%) Market Risk
13 10 (13.89%) Low Latency
14 9 (12.50%) Visualisation
14 9 (12.50%) Azure
14 9 (12.50%) Front End Development
14 9 (12.50%) Kotlin

Senior Developer Skill Set
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 4 (5.56%) Cloud Foundry
1 4 (5.56%) Drupal
1 4 (5.56%) Red Hat Fuse
2 3 (4.17%) NServiceBus
3 2 (2.78%) Apache
3 2 (2.78%) Camunda
3 2 (2.78%) Mule
4 1 (1.39%) Adobe Experience Manager
4 1 (1.39%) Apache Spark
4 1 (1.39%) Appian
4 1 (1.39%) CMS
4 1 (1.39%) Confluence
4 1 (1.39%) Elasticsearch
4 1 (1.39%) JBoss
4 1 (1.39%) Oracle Coherence
Business Applications
1 2 (2.78%) Payment Gateway
Cloud Services
1 13 (18.06%) AWS
2 9 (12.50%) Azure
3 7 (9.72%) Serverless
4 4 (5.56%) GitHub
5 3 (4.17%) AWS Lambda
5 3 (4.17%) Azure Functions
5 3 (4.17%) Azure Service Bus
5 3 (4.17%) Slack
6 1 (1.39%) AWS CodePipeline
6 1 (1.39%) OpenShift
6 1 (1.39%) SaaS
Database & Business Intelligence
1 10 (13.89%) MySQL
2 7 (9.72%) MongoDB
3 6 (8.33%) NoSQL
3 6 (8.33%) PostgreSQL
4 5 (6.94%) Relational Database
5 4 (5.56%) Amazon DynamoDB
6 3 (4.17%) SQL Server
7 2 (2.78%) ArangoDB
8 1 (1.39%) Big Data
8 1 (1.39%) Couchbase
8 1 (1.39%) Flink
8 1 (1.39%) Oracle Database
8 1 (1.39%) SQLite
Development Applications
1 12 (16.67%) Git (software)
1 12 (16.67%) Maven
2 5 (6.94%) Jenkins
2 5 (6.94%) JIRA
3 2 (2.78%) JUnit
3 2 (2.78%) Subversion
4 1 (1.39%) Ant
4 1 (1.39%) Atlassian Bamboo
4 1 (1.39%) Cucumber
4 1 (1.39%) Eclipse
4 1 (1.39%) FishEye
4 1 (1.39%) Gradle
4 1 (1.39%) Hudson
4 1 (1.39%) Jasmine
4 1 (1.39%) jMock
4 1 (1.39%) Karma Test Runner
4 1 (1.39%) Storybook
4 1 (1.39%) Xcode
General
1 24 (33.33%) Banking
2 19 (26.39%) Finance
3 15 (20.83%) Front Office
4 11 (15.28%) Investment Banking
5 1 (1.39%) Advertising
5 1 (1.39%) Back Office
5 1 (1.39%) Legal
5 1 (1.39%) Retail
Libraries, Frameworks & Software Standards
1 22 (30.56%) Spring
2 15 (20.83%) Spring Boot
3 13 (18.06%) HTML
3 13 (18.06%) Node.js
3 13 (18.06%) React
4 11 (15.28%) CSS
5 9 (12.50%) .NET
6 7 (9.72%) AngularJS
6 7 (9.72%) REST
6 7 (9.72%) Sass
7 6 (8.33%) Redux
8 5 (6.94%) HTML5
8 5 (6.94%) JMS
8 5 (6.94%) SOAP
9 4 (5.56%) Apache Camel
9 4 (5.56%) Hibernate
9 4 (5.56%) jQuery
9 4 (5.56%) Middleware
9 4 (5.56%) RESTful
9 4 (5.56%) Web Services
Miscellaneous
1 10 (13.89%) Market Risk
2 9 (12.50%) Credit Risk
2 9 (12.50%) Grid Computing
3 6 (8.33%) Greenfield Project
3 6 (8.33%) Mobile App
4 4 (5.56%) User Experience
5 3 (4.17%) Enterprise Software
5 3 (4.17%) Mobile Payment
6 2 (2.78%) Analytical Skills
6 2 (2.78%) Clustering
6 2 (2.78%) Fixed Income
7 1 (1.39%) Algorithms
7 1 (1.39%) Augmented Reality
7 1 (1.39%) Organisational Skills
7 1 (1.39%) Self-Motivation
7 1 (1.39%) Virtual Team
Operating Systems
1 16 (22.22%) Linux
2 10 (13.89%) Unix
3 6 (8.33%) Android
4 3 (4.17%) Apple iOS
Processes & Methodologies
1 26 (36.11%) Agile Software Development
2 15 (20.83%) TDD
3 13 (18.06%) Microservices
4 10 (13.89%) Low Latency
4 10 (13.89%) Software Engineering
5 9 (12.50%) Data Analysis
5 9 (12.50%) Front End Development
5 9 (12.50%) Risk Management
5 9 (12.50%) Visualisation
6 7 (9.72%) Continuous Integration
6 7 (9.72%) DevOps
6 7 (9.72%) Scrum
7 6 (8.33%) Android Development
7 6 (8.33%) BDD
8 5 (6.94%) Continuous Deployment
8 5 (6.94%) SDLC
8 5 (6.94%) Test Automation
9 4 (5.56%) Event-Driven Architecture
9 4 (5.56%) Problem-Solving
9 4 (5.56%) User Stories
Programming Languages
1 35 (48.61%) Java
2 25 (34.72%) JavaScript
3 9 (12.50%) C#
3 9 (12.50%) Kotlin
4 7 (9.72%) SQL
4 7 (9.72%) TypeScript
5 5 (6.94%) Java 8
6 4 (5.56%) ES6
6 4 (5.56%) Go
6 4 (5.56%) Scala
7 3 (4.17%) Ruby
8 2 (2.78%) Apple Swift
8 2 (2.78%) Objective-C
9 1 (1.39%) Apex Code
9 1 (1.39%) C++
9 1 (1.39%) F#
9 1 (1.39%) PHP
9 1 (1.39%) PL/SQL
9 1 (1.39%) Python
9 1 (1.39%) Rust
Qualifications
1 1 (1.39%) AWS Certification
1 1 (1.39%) SC Cleared
1 1 (1.39%) Security Cleared
Quality Assurance & Compliance
1 1 (1.39%) QA
System Software
1 17 (23.61%) Docker
Systems Management
1 19 (26.39%) Kubernetes
2 4 (5.56%) Ansible
3 2 (2.78%) Terraform
Vendors
1 7 (9.72%) MuleSoft
2 6 (8.33%) Oracle
3 2 (2.78%) WorldPay
4 1 (1.39%) Adobe
4 1 (1.39%) Atlassian
4 1 (1.39%) Microsoft
4 1 (1.39%) Murex
4 1 (1.39%) Salesforce.com
4 1 (1.39%) Solace
4 1 (1.39%) Sybase