Period
to 27 July 2021

The following table provides summary statistics for permanent job vacancies 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 27 July 2021 with a comparison to the same period in the previous 2 years.

API Development
UK
6 months to
27 Jul 2021
Same period 2020 Same period 2019
Rank 351 403 522
Rank change year-on-year +52 +119 +9
Permanent jobs citing API Development 1,013 489 775
As % of all permanent jobs advertised in the UK 0.90% 0.70% 0.53%
As % of the Processes & Methodologies category 0.96% 0.76% 0.58%
Number of salaries quoted 698 407 622
10th Percentile £37,275 £33,750 £36,250
25th Percentile £43,938 £42,500 £42,500
Median annual salary (50th Percentile) £55,000 £57,500 £55,000
Median % change year-on-year -4.35% +4.55% -
75th Percentile £73,750 £75,000 £75,000
90th Percentile £87,500 £90,000 £90,000
UK excluding London median annual salary £50,000 £50,000 £50,000

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 with a requirement for process or methodology skills.

All Process and Methodology Skills
UK
Permanent vacancies with a requirement for process or methodology skills 105,354 64,725 134,240
As % of all permanent IT jobs advertised in the UK 93.44% 92.41% 92.43%
Number of salaries quoted 71,839 52,388 107,051
10th Percentile £32,500 £32,500 £30,000
25th Percentile £42,000 £41,250 £37,500
Median annual salary (50th Percentile) £55,000 £55,000 £52,500
Median % change year-on-year - +4.76% +5.00%
75th Percentile £75,000 £73,750 £70,000
90th Percentile £92,500 £90,000 £86,250
UK excluding London median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +5.56% -

API Development
Job Vacancy Trend

Job postings citing API Development as a proportion of all IT jobs advertised.

Job vacancy trend for API Development in the UK

API Development
Salary Trend

3-month moving average salary quoted in jobs citing API Development.

Salary trend for API Development in the UK

API Development
Salary Histogram

Salary distribution for jobs citing API Development over the 6 months to 27 July 2021.

Salary histogram for API Development in the UK

API Development
Top 17 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing API Development within the UK over the 6 months to 27 July 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +79 918 £55,000 -8.33% 193
UK excluding London +24 526 £50,000 - 105
London +38 410 £68,000 -2.86% 95
Work from Home -19 328 £55,000 - 53
North of England +17 162 £50,000 - 38
South East +25 154 £55,000 - 20
South West -22 80 £47,500 - 8
North West -6 70 £50,000 +5.26% 17
Midlands -62 53 £55,000 +10.00% 19
Yorkshire -32 47 £50,000 -9.09% 18
East of England -28 46 £45,000 -25.00% 12
North East +21 45 £37,500 -48.28% 3
West Midlands -51 42 £55,000 +10.00% 9
Scotland -61 24 £47,500 +5.56% 4
East Midlands -58 11 £40,000 -20.00% 10
Wales -34 4 £40,000 -5.88% 3
Northern Ireland -41 3 £50,000 -9.09% 1

For the 6 months to 27 July 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 with a requirement for API Development.

1 552 (54.49%) Agile Software Development
2 373 (36.82%) C#
3 371 (36.62%) JavaScript
4 365 (36.03%) .NET
5 363 (35.83%) Docker
6 340 (33.56%) SQL
7 336 (33.17%) Microservices
8 315 (31.10%) AWS
9 310 (30.60%) Azure
10 307 (30.31%) Software Engineering
11 283 (27.94%) Finance
12 262 (25.86%) DevOps
13 251 (24.78%) Git (software)
14 249 (24.58%) Java
15 243 (23.99%) Kubernetes
16 230 (22.70%) HTML
17 224 (22.11%) CSS
18 221 (21.82%) TDD
19 218 (21.52%) React
20 216 (21.32%) REST
21 192 (18.95%) Python
21 192 (18.95%) AngularJS
22 180 (17.77%) .NET Core
23 149 (14.71%) Node.js
24 143 (14.12%) Scrum
25 136 (13.43%) RESTful
25 136 (13.43%) Social Skills
26 132 (13.03%) Fintech
27 127 (12.54%) PHP
28 122 (12.04%) SQL Server

API Development
Co-occurring IT Skills 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 63 (6.22%) CMS
2 27 (2.67%) Confluence
3 26 (2.57%) Elasticsearch
4 23 (2.27%) ColdFusion
5 17 (1.68%) IIS
6 15 (1.48%) Apache
6 15 (1.48%) Apache Solr
7 10 (0.99%) nginx
8 9 (0.89%) Apache Spark
8 9 (0.89%) WordPress
9 8 (0.79%) Mendix
9 8 (0.79%) Sitecore CMS
10 6 (0.59%) Anypoint
10 6 (0.59%) Mule
11 5 (0.49%) OpenStack
12 4 (0.39%) Apache Airflow
12 4 (0.39%) NServiceBus
12 4 (0.39%) WebLogic
13 3 (0.30%) Drupal
13 3 (0.30%) EPiServer
Applications
1 6 (0.59%) Figma
1 6 (0.59%) Sketch
2 5 (0.49%) Microsoft Project
3 4 (0.39%) Zeplin
4 3 (0.30%) Chatbot
5 2 (0.20%) Adobe XD
6 1 (0.099%) Microsoft Excel
6 1 (0.099%) Spreadsheet
Business Applications
1 5 (0.49%) Oracle BPM
2 4 (0.39%) Magento
2 4 (0.39%) Shopify
3 3 (0.30%) NetSuite
4 2 (0.20%) Payment Gateway
5 1 (0.099%) Distributed Ledger
5 1 (0.099%) Dynamics CRM
5 1 (0.099%) Remedy ITSM
5 1 (0.099%) Salesforce.com CRM
Cloud Services
1 315 (31.10%) AWS
2 310 (30.60%) Azure
3 117 (11.55%) GCP
4 99 (9.77%) SaaS
5 68 (6.71%) Serverless
6 43 (4.24%) AWS Lambda
7 35 (3.46%) Amazon EC2
8 28 (2.76%) AWS CloudFormation
8 28 (2.76%) GitHub
9 27 (2.67%) Amazon S3
10 21 (2.07%) Azure Service Bus
11 17 (1.68%) Apigee
11 17 (1.68%) PaaS
12 16 (1.58%) Amazon SQS
12 16 (1.58%) Google Play
13 13 (1.28%) Cloud Computing
14 12 (1.18%) Amazon EKS
14 12 (1.18%) Amazon Kinesis
14 12 (1.18%) IaaS
15 11 (1.09%) Amazon CloudWatch
Communications & Networking
1 23 (2.27%) HTTP
2 7 (0.69%) LAN
2 7 (0.69%) WAN
3 6 (0.59%) Firewall
4 4 (0.39%) Broadband
4 4 (0.39%) Internet
5 3 (0.30%) DNS
5 3 (0.30%) Network Security
6 2 (0.20%) AMQP
6 2 (0.20%) TCP/IP
7 1 (0.099%) MQTT
7 1 (0.099%) VPN
Database & Business Intelligence
1 122 (12.04%) SQL Server
2 103 (10.17%) MySQL
3 68 (6.71%) Big Data
4 65 (6.42%) Relational Database
5 62 (6.12%) NoSQL
6 47 (4.64%) MongoDB
7 37 (3.65%) PostgreSQL
8 34 (3.36%) Amazon DynamoDB
9 28 (2.76%) Amazon RDS
10 24 (2.37%) RDBMS
11 23 (2.27%) GIS
12 22 (2.17%) Redis
13 18 (1.78%) Apache Cassandra
14 15 (1.48%) Hadoop
15 14 (1.38%) Blockchain
16 13 (1.28%) HBase
17 9 (0.89%) SQL Server Integration Services
18 8 (0.79%) MariaDB
19 6 (0.59%) BigQuery
19 6 (0.59%) Hazelcast
Development Applications
1 251 (24.78%) Git (software)
2 119 (11.75%) Jenkins
3 57 (5.63%) JIRA
4 33 (3.26%) Maven
5 29 (2.86%) GitLab
6 24 (2.37%) JUnit
7 22 (2.17%) NUnit
8 17 (1.68%) Moq
9 14 (1.38%) Mockito
9 14 (1.38%) TeamCity
10 13 (1.28%) Postman
10 13 (1.28%) Team Foundation Server
10 13 (1.28%) Visual Studio
11 12 (1.18%) Cucumber
11 12 (1.18%) Eclipse
12 11 (1.09%) IntelliJ
13 10 (0.99%) Bitbucket
13 10 (0.99%) Mocha
13 10 (0.99%) Selenium
14 9 (0.89%) Atlassian Bamboo
General
1 283 (27.94%) Finance
2 136 (13.43%) Social Skills
3 80 (7.90%) Marketing
4 79 (7.80%) Retail
5 60 (5.92%) Banking
6 48 (4.74%) Analytical Skills
7 27 (2.67%) Games
8 21 (2.07%) Telecoms
9 16 (1.58%) Automotive
10 14 (1.38%) Public Sector
11 13 (1.28%) Legal
12 12 (1.18%) Advertising
12 12 (1.18%) Electronics
12 12 (1.18%) Pharmaceutical
13 11 (1.09%) Manufacturing
14 10 (0.99%) Inclusion and Diversity
15 8 (0.79%) Investment Banking
15 8 (0.79%) Publishing
16 7 (0.69%) Presentation Skills
17 6 (0.59%) Organisational Skills
Job Titles
1 606 (59.82%) Developer
2 136 (13.43%) C# Developer
3 108 (10.66%) Software Engineer
4 107 (10.56%) Senior Developer
5 76 (7.50%) Software Developer
6 73 (7.21%) .NET Developer
7 61 (6.02%) Full Stack Developer
8 59 (5.82%) PHP Developer
9 58 (5.73%) Java Engineer
10 53 (5.23%) Java Developer
11 50 (4.94%) Architect
12 48 (4.74%) Front End Developer (Client-Side Developer)
13 46 (4.54%) Senior Software Engineer
14 42 (4.15%) React Developer
15 38 (3.75%) Backend Developer
15 38 (3.75%) JavaScript Developer
16 36 (3.55%) Mobile Developer
17 35 (3.46%) Java Software Engineer
18 31 (3.06%) Analyst
19 30 (2.96%) Lead Developer
Libraries, Frameworks & Software Standards
1 365 (36.03%) .NET
2 230 (22.70%) HTML
3 224 (22.11%) CSS
4 218 (21.52%) React
5 216 (21.32%) REST
6 192 (18.95%) AngularJS
7 180 (17.77%) .NET Core
8 149 (14.71%) Node.js
9 136 (13.43%) RESTful
10 105 (10.37%) Spring
11 89 (8.79%) ASP.NET
12 85 (8.39%) .NET Framework
13 72 (7.11%) Spring Boot
14 61 (6.02%) Vue.js
15 60 (5.92%) HTML5
16 59 (5.82%) Web Services
17 58 (5.73%) JSON
18 57 (5.63%) ASP.NET Web API
19 55 (5.43%) React Native
20 54 (5.33%) Redux
Miscellaneous
1 115 (11.35%) User Experience
2 99 (9.77%) Mobile App
3 52 (5.13%) Legacy Systems
4 39 (3.85%) Greenfield Project
5 34 (3.36%) Algorithms
6 32 (3.16%) Self-Motivation
7 29 (2.86%) Legacy Applications
7 29 (2.86%) Social Network
8 26 (2.57%) Hybrid Cloud
9 21 (2.07%) EPoS
10 15 (1.48%) Virtual Team
11 13 (1.28%) Cloud Native
12 12 (1.18%) Foreign Exchange (FX)
12 12 (1.18%) Life Science
12 12 (1.18%) Robotics
13 11 (1.09%) Enterprise Software
14 10 (0.99%) Data Centre
15 9 (0.89%) Data Structures
16 8 (0.79%) Reinsurance
16 8 (0.79%) Social Media
Operating Systems
1 88 (8.69%) Linux
2 32 (3.16%) Apple iOS
3 31 (3.06%) Android
4 23 (2.27%) Windows
5 17 (1.68%) Unix
6 7 (0.69%) Windows Server
7 5 (0.49%) CentOS
8 4 (0.39%) Fedora
8 4 (0.39%) Red Hat Enterprise Linux
9 1 (0.099%) Mac OS
9 1 (0.099%) MVS
9 1 (0.099%) VMS
Processes & Methodologies
1 552 (54.49%) Agile Software Development
2 336 (33.17%) Microservices
3 307 (30.31%) Software Engineering
4 262 (25.86%) DevOps
5 221 (21.82%) TDD
6 143 (14.12%) Scrum
7 132 (13.03%) Fintech
8 114 (11.25%) Mentoring
9 111 (10.96%) Machine Learning
10 109 (10.76%) E-Commerce
11 108 (10.66%) OO
12 106 (10.46%) Continuous Integration
13 103 (10.17%) API Design
14 93 (9.18%) MVC
15 87 (8.59%) Test Automation
16 81 (8.00%) Computer Science
17 80 (7.90%) Front End Development
18 73 (7.21%) Infrastructure as Code
18 73 (7.21%) Problem-Solving
19 72 (7.11%) Clean Code
Programming Languages
1 373 (36.82%) C#
2 371 (36.62%) JavaScript
3 340 (33.56%) SQL
4 249 (24.58%) Java
5 192 (18.95%) Python
6 127 (12.54%) PHP
7 102 (10.07%) T-SQL
8 85 (8.39%) TypeScript
9 45 (4.44%) Java 8
10 41 (4.05%) Bash Shell
11 40 (3.95%) PowerShell
12 33 (3.26%) Ruby
13 32 (3.16%) Go
14 28 (2.76%) C++
15 24 (2.37%) ES6
15 24 (2.37%) Scala
16 20 (1.97%) Objective-C
17 18 (1.78%) Shell Script
18 16 (1.58%) C
19 11 (1.09%) R
Qualifications
1 105 (10.37%) Degree
2 51 (5.03%) Computer Science Degree
3 14 (1.38%) Master's Degree
4 6 (0.59%) Security Cleared
5 5 (0.49%) ISEB
5 5 (0.49%) ISTQB
5 5 (0.49%) ISTQB Foundation Certification
6 3 (0.30%) CTC Cleared
6 3 (0.30%) SC Cleared
7 1 (0.099%) (ISC)2 CCSP
7 1 (0.099%) AWS Certification
7 1 (0.099%) CESG Certified Professional
7 1 (0.099%) Cisco Certification
7 1 (0.099%) Microsoft Certification
7 1 (0.099%) Numerate Degree
Quality Assurance & Compliance
1 28 (2.76%) Accessibility
2 27 (2.67%) QA
3 8 (0.79%) GDPR
4 5 (0.49%) ISO/IEC 27001
5 4 (0.39%) Data Quality
6 3 (0.30%) PCI DSS
6 3 (0.30%) SOC 2
7 2 (0.20%) PSD2
7 2 (0.20%) SLA
8 1 (0.099%) IASME
8 1 (0.099%) ISO 9001
8 1 (0.099%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
8 1 (0.099%) NIST
System Software
1 363 (35.83%) Docker
2 13 (1.28%) Apache ZooKeeper
3 8 (0.79%) VMware Infrastructure
4 6 (0.59%) Active Directory
5 4 (0.39%) Active Directory Lightweight Directory Services
5 4 (0.39%) Shibboleth
6 3 (0.30%) Virtual Machines
Systems Management
1 243 (23.99%) Kubernetes
2 73 (7.21%) Terraform
3 64 (6.32%) Ansible
4 27 (2.67%) Puppet
5 16 (1.58%) Packer
6 14 (1.38%) Grafana
7 13 (1.28%) Prometheus
8 12 (1.18%) Control-M
9 4 (0.39%) Salt
10 2 (0.20%) CloudHub
10 2 (0.20%) Istio
10 2 (0.20%) Kubeflow
11 1 (0.099%) CASB
11 1 (0.099%) Kibana
11 1 (0.099%) Opscode Chef
Vendors
1 93 (9.18%) Microsoft
2 57 (5.63%) Google
3 38 (3.75%) Oracle
4 24 (2.37%) Salesforce.com
5 22 (2.17%) Adobe
6 21 (2.07%) Databricks
7 17 (1.68%) Apple
7 17 (1.68%) MuleSoft
8 15 (1.48%) Cisco
9 13 (1.28%) Splunk
10 12 (1.18%) AppDynamics
10 12 (1.18%) SAP
11 10 (0.99%) Pega
12 8 (0.79%) Sitecore
12 8 (0.79%) VMware
12 8 (0.79%) Xamarin
13 7 (0.69%) IBM
13 7 (0.69%) Zend
14 6 (0.59%) New Relic
15 4 (0.39%) Talend