Remote Contract 'JSON' Job Vacancies

19 of 19 Remote Contract JSON Jobs

Senior Java Developer

London, United Kingdom
Hybrid / WFH Options
Meritus
mode. Contribute to automated testing (C#) and infrastructure improvements (Docker, Ansible, Python, Linux). Required Skills: Proven experience with Java, Spring, Maven, Git, JUnit, and Web APIs (REST/JSON, XML/SOAP). Active SC clearance is essential. Strong background in complex or high-pressure software development environments. Ability to collaborate effectively within a diverse technical team and deliver More ❯
Employment Type: Contract
Rate: GBP 550 - 650 Daily
Posted:

Senior MuleSoft Developer

London, United Kingdom
Hybrid / WFH Options
ARM
lifecycle from design to governance and management. Working with batch message processing, Salesforce, file, and database connectors. Using MUnit and practising test-driven development. Experience with REST, HTTP, MQ, JSON, XML, and SOA. Familiarity with CI/CD pipelines (Maven, Jenkins, Bitbucket, Git, MuleSoft). Desirable Experience working in consulting or public sector environments. Experience as a microservices developer. MuleSoft More ❯
Employment Type: Contract
Rate: £550 - £580/day
Posted:

Scala Developer - 12 Months - Remote - Outside IR35

United Kingdom
Hybrid / WFH Options
Stealth IT Consulting
pipelines. Required Skills and Experience: Strong commercial experience in Scala development. Hands-on experience with the Play Framework. Solid understanding of functional programming principles. Experience working with REST APIs, JSON, and HTTP protocols. Familiarity with version control systems (Git). Agile/Scrum delivery environment experience. Understanding of TDD/BDD and automated testing frameworks. Experience working on public sector More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Analytics Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Tenth Revolution Group
engineering team. Partner with senior management, operational leads, and other stakeholders, coaching and supporting a data-driven culture, including KPI definition and reporting frameworks. Accountable for data extraction, transforming JSON & XML, utlising high experience within metadata management. Collaborate with data engineers to develop data, enrich product design and integrate data for predictive models or machine learning. Deliver well-defined, transformed More ❯
Employment Type: Contractor
Rate: £300 - £350 per day
Posted:

Analytics Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Tenth Revolution Group
engineering team. Partner with senior management, operational leads, and other stakeholders, coaching and supporting a data-driven culture, including KPI definition and reporting frameworks. Accountable for data extraction, transforming JSON & XML, utlising high experience within metadata management. Collaborate with data engineers to develop data, enrich product design and integrate data for predictive models or machine learning. Deliver well-defined, transformed More ❯
Employment Type: Contract
Rate: £300 - £350/day
Posted:

Axway API Developer

City of London, London, United Kingdom
Hybrid / WFH Options
Randstad Digital
a solid foundation in: Axway's core products: Policy Studio, API Gateway, and API Manager. Key communication protocols: SFTP, HTTPS, SSL/TLS, and oAuth. Data and messaging formats: JSON, XML, SOAP, and REST. Linux scripting and environments. Using DevOps toolsets to automate testing and deployments. 6 months contract Inside IR35 - Remote Working - ?? £500 to £650 a day If you More ❯
Employment Type: Contract, Work From Home
Rate: £500 - £650 per day
Posted:

WebMethods Developer x 2 - SC Cleared

Penwortham, Lancashire, United Kingdom
Hybrid / WFH Options
CBSbutler Holdings Limited trading as CBSbutler
for Deployment of WebMethods Patches, monitor capacity, providing service improvements Liaise with customers to define project requirements, document and design solutions Knowledge of: JMS Queues SAP Adaptors SFTP HTTPS JSON XML SOAP More ❯
Employment Type: Contract
Rate: GBP 650 - 670 Daily
Posted:

WebMethods Developer x 2 - SC Cleared

Preston, Lancashire, United Kingdom
Hybrid / WFH Options
CBSbutler Holdings Limited trading as CBSbutler
for Deployment of WebMethods Patches, monitor capacity, providing service improvements Liaise with customers to define project requirements, document and design solutions Knowledge of: JMS Queues SAP Adaptors SFTP HTTPS JSON XML SOAP More ❯
Employment Type: Contract
Rate: £650 - £670/day
Posted:

C# Developer, Microsoft Teams Integration, Remote, £425 day rate, Outside IR35, COR7386

London, South East, England, United Kingdom
Hybrid / WFH Options
Corriculo Ltd
Graph API Background in Microsoft Teams development, and a familiarity with the Microsoft 365 environment Knowledge of Azure AD, authentication protocols (OAuth 2.0), and RESTful APIs Experience working with JSON, webhooks, or event-driven architectures is a plus What Next? If you’re an experienced C# Developer with Microsoft Teams integration experience and you’re available immediately, apply today to More ❯
Employment Type: Contractor
Rate: £375 - £425 per day
Posted:

Node.js Developer

Nationwide, United Kingdom
Hybrid / WFH Options
Damia Group Ltd
WebSockets) Contribute to CI/CD (GitHub Actions) and containerisation best practices. Operate securely inside private-network Azure environments (Managed Identity, RBAC, Private Endpoints). Enforce config-driven processing (JSON configs) with robust error handling, telemetry, and full traceability Key skills and experience : Strong Node.js/TypeScript in production microservices (HTTP + background workers). Understanding of Azure Container Apps More ❯
Employment Type: Contract
Rate: £600 - £630/day
Posted:

Webmethods Developer

London, United Kingdom
Hybrid / WFH Options
CBSbutler Holdings Limited
for Deployment of WebMethods Patches, monitor capacity, providing service improvements Liaise with customers to define project requirements, document and design solutions Knowledge of: JMS Queues SAP Adaptors SFTP HTTPS JSON XML If you'd like to discuss this WebMethods Developer in more detail, please send your updated CV to and I will get in touch. More ❯
Employment Type: Contract, Work From Home
Rate: £650 - £700 per day
Posted:

Front End Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Oscar Technology
strong understanding of front-end best practices, and the ability to hit the ground running in a dynamic environment. Tech Stack: JavaScript (ES6+) Vue.js HTML5/CSS3 REST APIs & JSON What You'll Do: Enhance and streamline the user interface for an internal order processing system Optimise workflows and improve system usability for internal teams Collaborate with backend developers and More ❯
Employment Type: Contractor
Rate: £300 - £400 per day
Posted:

PKI Architect - SC cleared

London, United Kingdom
Hybrid / WFH Options
CBSbutler Holdings Limited trading as CBSbutler
required: Solid Public Key Infrastructure experience. Solid Key Management experience, including BYOK and HYOK. Solid Certificate Management and Automation Experience. Experience in scripting in (i.e., PowerShell, REST API, PowerShell, JSON). If you'd like to discuss this PKI Architect role in further detail, please send your updated CV to (url removed) and I will get in touch. More ❯
Employment Type: Contract
Rate: GBP 800 - 850 Daily
Posted:

Technical Analyst

London, United Kingdom
Hybrid / WFH Options
Adecco
work independently, take initiative, and deliver results in a fast-paced environment. Excellent stakeholder communication and workshop participation skills. Experience with relevant standards and technologies such as: -REST APIs, JSON, OpenAPI specifications -OBIE (Open Banking Implementation Entity) -Berlin Group Standards -ISO 20022 messaging formats Candidates will need to show evidence of the above in their CV in order to be More ❯
Employment Type: Contract
Rate: £400 - £500/day
Posted:

Technical Analyst

London, South East, England, United Kingdom
Hybrid / WFH Options
Adecco
work independently, take initiative, and deliver results in a fast-paced environment. Excellent stakeholder communication and workshop participation skills. Experience with relevant standards and technologies such as: -REST APIs, JSON, OpenAPI specifications -OBIE (Open Banking Implementation Entity) -Berlin Group Standards -ISO 20022 messaging formats Candidates will need to show evidence of the above in their CV in order to be More ❯
Employment Type: Contractor
Rate: £400 - £500 per day
Posted:

Data Migration Engineer - CRM - Remote - Outside IR35

England, Elephant & Castle, Greater London, United Kingdom
Hybrid / WFH Options
The Bridge IT Recruitment
the migration 6 CRMs to 1 new CRM and migrating 20 million rows of data. The key experience required for this Data Migration Engineer role is: CRM migration APIs Json XML Low code Airtable (desirable) If you do have the relevant skills for this Data Migration Engineer contract, please do apply. More ❯
Employment Type: Contract
Rate: £400 - £500/day None
Posted:

Software Engineer (SC & NPPV3)

South East London, London, United Kingdom
Hybrid / WFH Options
Data Careers
Software Engineer (SC & NPPV3) 6 Month Contract Fully Remote Rate: £500 - £600 per day (Inside IR35) Skills: C#.Net, XML/JSON API's, SC & NPPV3 Clearance We are looking for an experienced Software Engineer to join a high-profile public sector project. You will play a key role in designing, building, and maintaining software solutions in a secure environment, working … day one. This is a fully remote UK based role. Key Responsibilities Design, develop, and maintain applications using C# and .NET Framework/.NET 6+ Work with XML/JSON APIs for integration and data exchange Develop and execute automated tests with MSTest Collaborate with stakeholders to gather and analyse requirements Ensure software is secure, scalable, and maintainable Essential Skills … Strong commercial experience in C# In-depth knowledge of .NET Framework and .NET 6+ Proven experience working with XML/JSON APIs Proficiency with MSTest Background in requirements gathering and analysis Highly Beneficial Skills Docker Oracle SQL Postman Swagger Desirable Skills PowerShell scripting More ❯
Employment Type: Contract, Work From Home
Rate: £500 - £600 per day
Posted:

Software Engineer (.NET)

Nationwide, United Kingdom
Hybrid / WFH Options
Meritus
remote & the client requires candidates to hold active SC & NPPV3 Clearances. Main Responsibilities: Develop and maintain applications using C#, .NET Framework, and .NET 6+ Build and consume XML/JSON APIs within secure environments Collaborate with stakeholders to support requirements gathering and analysis Write and execute MSTest unit tests to ensure high software quality Required Skills: Strong experience with C# … ASP.NET, .NET Framework and .NET 6+ Proven experience working with XML/JSON APIs Knowledge of MSTest or similar testing frameworks Ability to gather and analyse technical requirements effectively Desired Skills: Experience with Docker and Oracle SQL Familiarity with Postman and Swagger for API testing and documentation Basic understanding of Powershell scripting Got your attention? If you believe that you More ❯
Employment Type: Contract
Rate: £500 - £600/day
Posted:

PKI SME

London, South East, England, United Kingdom
Hybrid / WFH Options
Randstad Technologies
PKI & Cloud Security Specialist 6 Months Contract - Remote working £600 to £700 a day inside IR35 A top tier pioneering consultancy firm is looking for an experienced PKI/Cloud Security consultant to act as an SME to design and More ❯
Employment Type: Contractor
Rate: £600 - £700 per day
Posted:
JSON
10th Percentile
£358
25th Percentile
£413
Median
£520
75th Percentile
£614
90th Percentile
£725