JSON Contracts in Belfast

JSON
County Antrim > Belfast

The table below provides summary statistics for contract job vacancies advertised in Belfast requiring JSON skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited JSON over the 6 months leading up to 1 May 2025, comparing them to the same period in the previous two years.

6 months to
1 May 2025
Same period 2024 Same period 2023
Rank 17 - 23
Rank change year-on-year - - +4
Contract jobs citing JSON 13 0 1
As % of all contract jobs advertised in Belfast 8.84% - 0.61%
As % of the Libraries, Frameworks & Software Standards category 35.14% - 3.33%
Number of daily rates quoted 13 0 1
10th Percentile £230 - -
25th Percentile £273 - £445
Median daily rate (50th Percentile) £408 - £490
Median % change year-on-year - - -2.00%
75th Percentile £488 - £535
90th Percentile - - -
County Antrim median daily rate £408 - £490
% change year-on-year - - -2.00%

All Software Libraries and Frameworks
Belfast

JSON falls under the Software Libraries and Frameworks category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring technical specification, industry standards, software libraries and framework skills in Belfast.

Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 37 26 30
As % of all contract IT jobs advertised in Belfast 25.17% 20.97% 18.29%
Number of daily rates quoted 28 7 17
10th Percentile £266 £495 -
25th Percentile £325 £525 -
Median daily rate (50th Percentile) £404 £600 £400
Median % change year-on-year -32.71% +50.00% -17.53%
75th Percentile £488 £650 £463
90th Percentile £544 - £536
County Antrim median daily rate £404 £600 £400
% change year-on-year -32.71% +50.00% -17.53%
Number of hourly rates quoted 1 1 0
10th Percentile - - -
25th Percentile £67.98 - -
Median hourly rate £73.23 £16.12 -
Median % change year-on-year +354.25% - -
75th Percentile £78.47 - -
90th Percentile - - -
County Antrim median hourly rate £73.23 £16.12 -
% change year-on-year +354.25% - -

JSON
Job Vacancy Trend in Belfast

Job postings citing JSON as a proportion of all IT jobs advertised in Belfast.

Job vacancy trend for JSON in Belfast

JSON
Contractor Daily Rate Trend in Belfast

3-month moving average daily rate quoted in jobs citing JSON in Belfast.

Daily rate trend for JSON in Belfast

JSON
Daily Rate Histogram in Belfast

Daily rate distribution for jobs citing JSON in Belfast over the 6 months to 1 May 2025.

Daily rate histogram for JSON in Belfast

JSON
Co-occurring Skills and Capabilities in Belfast by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 4 (30.77%) Anypoint
1 4 (30.77%) Mule
2 2 (15.38%) Apache
2 2 (15.38%) Apache Spark
2 2 (15.38%) Oracle SOA Suite
Cloud Services
1 4 (30.77%) AWS
1 4 (30.77%) Azure
1 4 (30.77%) GCP
1 4 (30.77%) OpenShift
2 1 (7.69%) Azure DevOps
2 1 (7.69%) GitHub
2 1 (7.69%) GitHub Actions
Database & Business Intelligence
1 7 (53.85%) NoSQL
2 2 (15.38%) Apache Hive
2 2 (15.38%) Big Data
2 2 (15.38%) HBase
2 2 (15.38%) Impala
Development Applications
1 6 (46.15%) Git
2 1 (7.69%) Jenkins
General
1 8 (61.54%) Finance
2 5 (38.46%) Front Office
3 3 (23.08%) Banking
3 3 (23.08%) Public Sector
4 2 (15.38%) Financial Institution
4 2 (15.38%) Inclusion and Diversity
4 2 (15.38%) Law
4 2 (15.38%) Wholesale Banking
5 1 (7.69%) Retail
5 1 (7.69%) Social Skills
5 1 (7.69%) Telecoms
Job Titles
1 13 (100.00%) Developer
2 9 (69.23%) Java Developer
3 6 (46.15%) Java Software Developer
4 4 (30.77%) Developer/Software Engineer
4 4 (30.77%) Java Engineer
4 4 (30.77%) Java Software Engineer
4 4 (30.77%) MuleSoft Developer
4 4 (30.77%) Software Engineer
5 2 (15.38%) Apache Spark Developer
5 2 (15.38%) Full-Stack Developer
5 2 (15.38%) Full-Stack Java Developer
5 2 (15.38%) Junior
5 2 (15.38%) Junior Developer
5 2 (15.38%) Junior Java Developer
5 2 (15.38%) Junior Java Software Developer
5 2 (15.38%) Junior Java Software Engineer
5 2 (15.38%) Junior Software Developer
5 2 (15.38%) Junior Software Engineer
5 2 (15.38%) Software Developer
Libraries, Frameworks & Software Standards
1 11 (84.62%) RESTful
1 11 (84.62%) XML
2 9 (69.23%) Apache Avro
3 7 (53.85%) Web Services
4 6 (46.15%) AngularJS
4 6 (46.15%) React
5 4 (30.77%) OpenAPI
5 4 (30.77%) RAML
5 4 (30.77%) SOAP
5 4 (30.77%) Spring Boot
5 4 (30.77%) Swagger
6 3 (23.08%) Kafka
7 2 (15.38%) Spring
8 1 (7.69%) JMS
8 1 (7.69%) JWT
8 1 (7.69%) OAuth
8 1 (7.69%) RabbitMQ
8 1 (7.69%) SAML
Miscellaneous
1 6 (46.15%) Derivative
1 6 (46.15%) Equities
1 6 (46.15%) Equity Derivative
2 5 (38.46%) Product Ownership
3 2 (15.38%) Greenfield Project
4 1 (7.69%) Enterprise Software
Operating Systems
1 2 (15.38%) Unix
Processes & Methodologies
1 7 (53.85%) Problem-Solving
2 6 (46.15%) Clean Code
2 6 (46.15%) Code Quality
2 6 (46.15%) Continuous Integration
2 6 (46.15%) User Experience
3 5 (38.46%) CI/CD
3 5 (38.46%) DevOps
4 4 (30.77%) Agile
4 4 (30.77%) API Development
4 4 (30.77%) API Management
4 4 (30.77%) Architectural Patterns
4 4 (30.77%) Continuous Delivery
4 4 (30.77%) Digital Transformation Programme
4 4 (30.77%) Integration Patterns
4 4 (30.77%) Microservices
4 4 (30.77%) Performance Optimisation
4 4 (30.77%) Software Engineering
5 2 (15.38%) Low Latency
5 2 (15.38%) Multithreading
5 2 (15.38%) SOA
Programming Languages
1 9 (69.23%) Java
2 7 (53.85%) SQL
3 4 (30.77%) DataWeave
4 2 (15.38%) Kotlin
4 2 (15.38%) Scala
Qualifications
1 4 (30.77%) SC Cleared
1 4 (30.77%) Security Cleared
Quality Assurance & Compliance
1 2 (15.38%) QA
System Software
1 2 (15.38%) HDFS
2 1 (7.69%) Docker
Systems Management
1 5 (38.46%) Kubernetes
Vendors
1 4 (30.77%) MuleSoft
2 2 (15.38%) Oracle
3 1 (7.69%) Salesforce
3 1 (7.69%) ServiceNow