Period
to 16 April 2021

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for API Development skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited API Development over the 6 months to 16 April 2021 with a comparison to the same period in the previous 2 years.

API Development
Central London > City of London
6 months to
16 Apr 2021
Same period 2020 Same period 2019
Rank 189 234 280
Rank change year-on-year +45 +46 +20
Permanent jobs citing API Development 44 56 53
As % of all permanent jobs advertised in the City of London 0.90% 0.67% 0.52%
As % of the Processes & Methodologies category 0.94% 0.71% 0.56%
Number of salaries quoted 38 51 51
10th Percentile £54,775 £47,500 £45,000
25th Percentile £57,125 £51,250 £51,250
Median annual salary (50th Percentile) £71,500 £62,500 £62,500
Median % change year-on-year +14.40% - -10.71%
75th Percentile £87,500 £92,500 £97,500
90th Percentile £110,000 £103,750 "
Central London median annual salary £72,500 £65,000 £70,000
% change year-on-year +11.54% -7.14% -

API Development is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the City of London with a requirement for process or methodology skills.

All Process and Methodology Skills
City of London
Permanent vacancies with a requirement for process or methodology skills 4,668 7,891 9,481
As % of all permanent IT jobs advertised in the City of London 95.21% 94.02% 92.98%
Number of salaries quoted 4,130 6,896 8,474
10th Percentile £43,750 £40,000 £36,250
25th Percentile £55,000 £51,250 £48,750
Median annual salary (50th Percentile) £72,500 £67,500 £65,000
Median % change year-on-year +7.41% +3.85% +5.69%
75th Percentile £90,000 £85,000 £82,500
90th Percentile £107,500 £100,000 £97,500
Central London median annual salary £70,000 £67,500 £65,000
% change year-on-year +3.70% +3.85% +8.33%

API Development
Job Vacancy Trend in the City of London

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

Job vacancy trend for API Development in the City of London

API Development
Salary Trend in the City of London

3-month moving average salary quoted in jobs citing API Development in the City of London.

Salary trend for API Development in the City of London

API Development
Salary Histogram in the City of London

Salary distribution for jobs citing API Development in the City of London over the 6 months to 16 April 2021.

Salary histogram for API Development in the City of London

For the 6 months to 16 April 2021, IT jobs citing API Development also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the City of London region with a requirement for API Development.

1 26 (59.09%) Agile Software Development
2 20 (45.45%) Azure
2 20 (45.45%) Microservices
3 19 (43.18%) JavaScript
4 16 (36.36%) AWS
5 15 (34.09%) HTML
5 15 (34.09%) CSS
6 14 (31.82%) Finance
7 13 (29.55%) SaaS
8 12 (27.27%) Node.js
8 12 (27.27%) AngularJS
8 12 (27.27%) Jenkins
9 11 (25.00%) React
9 11 (25.00%) API Design
9 11 (25.00%) Configuration Management
9 11 (25.00%) Microsoft
10 10 (22.73%) Python
11 9 (20.45%) Java
11 9 (20.45%) SQL
11 9 (20.45%) Continuous Integration
11 9 (20.45%) API Integration
11 9 (20.45%) User Experience
12 8 (18.18%) GCP
12 8 (18.18%) DevOps
12 8 (18.18%) Software Engineering
12 8 (18.18%) Content Management
12 8 (18.18%) CMS
13 7 (15.91%) .NET
13 7 (15.91%) C#
13 7 (15.91%) Adobe

API Development
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 8 (18.18%) CMS
2 4 (9.09%) Anypoint
2 4 (9.09%) Apache
3 3 (6.82%) Adobe Experience Manager
4 2 (4.55%) Elasticsearch
4 2 (4.55%) Mendix
5 1 (2.27%) OpenStack
Applications
1 1 (2.27%) Microsoft Excel
Cloud Services
1 20 (45.45%) Azure
2 16 (36.36%) AWS
3 13 (29.55%) SaaS
4 8 (18.18%) GCP
5 4 (9.09%) Apigee
5 4 (9.09%) Azure Data Factory
5 4 (9.09%) Azure Functions
5 4 (9.09%) iPaaS
5 4 (9.09%) Serverless
6 3 (6.82%) Amazon EKS
6 3 (6.82%) OpenShift
7 2 (4.55%) Cloud Computing
7 2 (4.55%) IaaS
7 2 (4.55%) Logic Apps
7 2 (4.55%) PaaS
8 1 (2.27%) Heroku
Communications & Networking
1 2 (4.55%) HTTP
Database & Business Intelligence
1 6 (13.64%) Relational Database
2 5 (11.36%) MySQL
2 5 (11.36%) NoSQL
2 5 (11.36%) PostgreSQL
3 2 (4.55%) Apache Cassandra
3 2 (4.55%) Azure SQL Database
3 2 (4.55%) Big Data
3 2 (4.55%) Cosmos DB
3 2 (4.55%) Data Lake
3 2 (4.55%) Hadoop
3 2 (4.55%) HBase
3 2 (4.55%) MongoDB
3 2 (4.55%) Redis
3 2 (4.55%) SQL Server
3 2 (4.55%) SQL Server Integration Services
Development Applications
1 12 (27.27%) Jenkins
2 4 (9.09%) Git (software)
2 4 (9.09%) JIRA
2 4 (9.09%) Travis CI
3 3 (6.82%) Artifactory
3 3 (6.82%) CircleCI
3 3 (6.82%) Sonatype Nexus
4 1 (2.27%) GitLab
General
1 14 (31.82%) Finance
2 4 (9.09%) Housing Association
2 4 (9.09%) Telecoms
3 3 (6.82%) Marketing
4 2 (4.55%) Banking
5 1 (2.27%) Public Sector
5 1 (2.27%) Retail
Job Titles
1 26 (59.09%) Developer
2 6 (13.64%) Senior Developer
3 5 (11.36%) JavaScript Developer
3 5 (11.36%) Python Developer
3 5 (11.36%) React Developer
4 4 (9.09%) Angular Developer
4 4 (9.09%) Architect
4 4 (9.09%) Full Stack Developer
4 4 (9.09%) MuleSoft Developer
4 4 (9.09%) PHP Developer
5 3 (6.82%) Consultant
5 3 (6.82%) Customer Solutions Architect
5 3 (6.82%) Platform Engineer
5 3 (6.82%) Senior Manager
5 3 (6.82%) Solutions Architect
6 2 (4.55%) .NET Developer
6 2 (4.55%) Analyst Programmer
6 2 (4.55%) Development Manager
6 2 (4.55%) Head of Development
6 2 (4.55%) Programmer
Libraries, Frameworks & Software Standards
1 15 (34.09%) CSS
1 15 (34.09%) HTML
2 12 (27.27%) AngularJS
2 12 (27.27%) Node.js
3 11 (25.00%) React
4 7 (15.91%) .NET
5 5 (11.36%) JSON
6 4 (9.09%) CSS3
6 4 (9.09%) HTML5
6 4 (9.09%) jQuery
6 4 (9.09%) LAPP Stack
6 4 (9.09%) RAML
6 4 (9.09%) REST
6 4 (9.09%) RESTful
6 4 (9.09%) Spring
6 4 (9.09%) Twitter Bootstrap
6 4 (9.09%) XML
7 3 (6.82%) Hibernate
7 3 (6.82%) JSP
7 3 (6.82%) Middleware
Miscellaneous
1 9 (20.45%) User Experience
2 5 (11.36%) Self-Motivation
3 4 (9.09%) Algorithms
3 4 (9.09%) Data Structures
3 4 (9.09%) Public Cloud
4 3 (6.82%) Cloud Native
4 3 (6.82%) Enterprise Software
5 2 (4.55%) Mobile App
5 2 (4.55%) Reinsurance
6 1 (2.27%) Credit Risk
6 1 (2.27%) Cyberthreat
6 1 (2.27%) Private Cloud
Operating Systems
1 6 (13.64%) Linux
Processes & Methodologies
1 26 (59.09%) Agile Software Development
2 20 (45.45%) Microservices
3 11 (25.00%) API Design
3 11 (25.00%) Configuration Management
4 9 (20.45%) API Integration
4 9 (20.45%) Continuous Integration
5 8 (18.18%) Content Management
5 8 (18.18%) DevOps
5 8 (18.18%) Software Engineering
6 7 (15.91%) Mentoring
6 7 (15.91%) Open Source
7 6 (13.64%) Project Delivery
7 6 (13.64%) Scrum
8 5 (11.36%) Problem-Solving
8 5 (11.36%) TDD
8 5 (11.36%) Technical Leadership
9 4 (9.09%) BDD
9 4 (9.09%) Unit Testing
10 3 (6.82%) Coaching
10 3 (6.82%) User Stories
Programming Languages
1 19 (43.18%) JavaScript
2 10 (22.73%) Python
3 9 (20.45%) Java
3 9 (20.45%) SQL
4 7 (15.91%) C#
5 5 (11.36%) PHP
5 5 (11.36%) Ruby
6 4 (9.09%) Bash Shell
7 2 (4.55%) R
8 1 (2.27%) ES6
8 1 (2.27%) Java 8
8 1 (2.27%) VBA
Qualifications
1 2 (4.55%) Degree
2 1 (2.27%) Computer Science Degree
Quality Assurance & Compliance
1 2 (4.55%) QA
System Software
1 2 (4.55%) Apache ZooKeeper
1 2 (4.55%) Docker
Systems Management
1 6 (13.64%) Ansible
2 4 (9.09%) Terraform
3 3 (6.82%) Kubernetes
Vendors
1 11 (25.00%) Microsoft
2 7 (15.91%) Adobe
3 5 (11.36%) MuleSoft
4 3 (6.82%) Pega
4 3 (6.82%) Salesforce.com
4 3 (6.82%) Veracode
5 2 (4.55%) Google
6 1 (2.27%) Oracle