1 to 25 of 40 Permanent JSON Jobs in London

control, authentication and authorization controls. · Extensive experience in communication with other systems via restful API's. · Solid experience with of web data formats including JSON and XML · Experience with automating networking technologies a plus. · Familiarity with front-end web development using HTML, bootstrap, CSS, JavaScript and React. · Working knowledge ...

experience with PostgreSQL, including performance tuning and complex queries. Experience with background job processing using Sidekiq and Redis. Solid understanding of RESTful API design, JSON serialization, and authentication (e.g., JWT, SSO). Hands-on experience with AWS services and containerised deployments (Docker). Experience troubleshooting and supporting production systems. Comfortable ...

C# and .NET (.NET Core/.NET) Excellent Object Oriented Programming (OOP) skills and design principles Proven experience designing and implementing APIs (REST/JSON) Solid understanding of application architecture, performance, and scalability Experience with SQL databases (e.g. SQL Server) Familiarity with unit testing, integration testing, and CI/ ...

NinjaOne RMM, 3CX, Microsoft 365/Graph API * Strong JavaScript and/or Python for integration scripting and automation * REST API design - webhooks, OAuth, JSON transformation, event-driven architecture * Cross-platform data mapping across multiple SaaS systems * Technical documentation to a professional standard * Comfortable operating autonomously within a management structure ...

NinjaOne RMM, 3CX, Microsoft 365/Graph API* Strong JavaScript and/or Python for integration scripting and automation* REST API design - webhooks, OAuth, JSON transformation, event-driven architecture* Cross-platform data mapping across multiple SaaS systems* Technical documentation to a professional standard* Comfortable operating autonomously within a management structure ...

integrations from third-party systems using APIs connected to back-office systems. Build and maintain web applications to support business processes (C#, Razor, ASP.NET, JSON, Redis Cache, Microservices). Technical Skills & Experience 5+ years of professional experience in .NET-based front-end development. 5+ years of hands-on expertise ...

ServiceNow platform, including functionality, database structure, developer APIs, and development tools. Proficient in Web Technologies (e.g., JavaScript, SOAP/REST web services, XML & JSON). An open and friendly personality with strong customer-facing skills in both a virtual and face to face setting (including the ability to deliver presentations ...

/CloudFormation) CI/CD pipelines (e.g. Jenkins, Git) Serverless tech (AWS Lambda, API Gateway) Linux systems knowledge Scripting/coding (Python, YAML/JSON) Experience with enterprise systems Strong communication skills ...

/CloudFormation) CI/CD pipelines (e.g. Jenkins, Git) Serverless tech (AWS Lambda, API Gateway) Linux systems knowledge Scripting/coding (Python, YAML/JSON) Experience with enterprise systems Strong communication skills ...

core principles Experience with Redux and RTK (RTKQuery also a bonus) Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools (Github actions a bonus) Experience with common front-end development tools such as Babel, Webpack ...

Apex Proven experience configuring or upgrading NEC Housing management systems In-depth understanding of NEC Housing database structures and data models Experience with XML, JSON, SOAP, and REST integrations Desirable: Java development experience Local authority or social housing experience This is a specialist short-term engagement supporting a major implementation ...

/or NDC. Hands-on experience with test management tools such as JIRA, ALM, qTest, Zephyr. Good understanding of APIs (REST/SOAP), XML, JSON, NDC schemas. Knowledge of automation tools (Selenium, Postman, Karate, RestAssured). Experience 8 15+ years in QA/testing, with at least 3+ years ...

with AI or ML systems in production and 3–5 years of substantive software/platform engineering Deep JavaScript/Node.js skills Azure Fluency JSON data structures, REST API design, and complex semi-structured data Practical LLM application — RAG architectures, prompt engineering etc Comfort with both relational ...

implementing quality gates and standards across a team. Scripting skills in one or more languages (Python, PowerShell, Bash) and comfort working with YAML/JSON; able to set patterns for maintainability and testability. Experience with data ingestion patterns for operational/security telemetry (e.g., APIs, forwarders/agents, event hubs ...

engineering experience. Technical Skills: Hands-on experience with automated testing, mocking frameworks, and CI/CD pipelines. Experience with the design and implementation of JSON RESTful APIs, including versioning and backward compatibility. Strong understanding and exposure to object-oriented practices and principles. ...

datasets for reporting and analytics Comfortable working in a fast-paced, evolving data environment Nice to Have Experience with Airflow or Dagster Working with JSON/semi-structured data Familiarity with CI/CD pipelines and Git Why Join Work with high-volume, real-world marketing data across multiple platforms ...

Strong understanding of OOP & Rails architecture Extensive experience with PostgreSQL (performance tuning, complex queries) Background job processing with Sidekiq & Redis Expertise in RESTful APIs , JSON, JWT, SSO Experience with AWS & Docker Production system support & troubleshooting Strong communication skills & Agile/Scrum experience Ruby on Rails Developer Due to the volume ...

integration environments Strong API integration experience (Shopify, Magento, SAP, Oracle etc.) Experience integrating with ERP, OMS & PIM systems Knowledge of integration methods (API, EDI, JSON, XML, streaming) Familiarity with AWS, SQL & analytics/reporting tools Experience working in Agile environments Strong problem-solving & stakeholder management skills 🌟 This is a high ...

integration environments Strong API integration experience (Shopify, Magento, SAP, Oracle etc.) Experience integrating with ERP, OMS & PIM systems Knowledge of integration methods (API, EDI, JSON, XML, streaming) Familiarity with AWS, SQL & analytics/reporting tools Experience working in Agile environments Strong problem-solving & stakeholder management skills 🌟 This is a high ...

with solid Azure cloud experience. The ideal Senor C# .Net Developer will have previous experience with: C# & .Net Core React.js &/or Next.js LINQ, JSON & Inversion of Control Azure PaaS, Function Apps, Blob/Table Storage, Service Bus Topics, Azure Search and API Management Infrastructure as Code (ideally Terraform ...

Reservations & Front Desk Cashiering & Folios Profiles & Rate Management Night Audit processes Proven experience with OHIP (Oracle Hospitality Integration Platform) Strong understanding of: REST APIs & JSON API testing tools (Postman or similar) Ability to map API payloads back to real OPERA behaviour Strong analytical mindset — you enjoy digging into data inconsistencies ...

Rails developer with deep expertise in PostgreSQL and background processing via Sidekiq and Redis. You should be highly proficient in building RESTful APIs, managing JSON serialisation, and implementing secure authentication methods like JWT or SSO. Beyond coding, you will possess knowledge of Docker and AWS, alongside the communication skills required ...

custody, fund services, settlement, trading, tokenisation, or market infrastructure) Working knowledge of integration architectures relevant to digital assets, including: API‐based integrations (REST/JSON, event‐driven APIs) Messaging and streaming patterns Batch and near‐real‐time data processing Proven ability to produce detailed analysis artefacts, including: Functional ...

customer experience platforms.* 3+ years leading large, strategic, and complex enterprise deals.* Deep technical fluency with web/scripting technologies (HTML, CSS, JavaScript, JSON, LLMs, MCP) and SaaS architectures.* Proven success in positioning the business value of technical solutions and the strategic role of Professional Services and Partners.* Hands ...

data structures, able to translate the operational requirements into robust solutions? Technically, you should be competent in writing, deciphering and manipulating code including JSON and PowerFX. Python and JavaScript would be advantageous here. If you have in-depth understanding of APIs in tandem with Power Automate – able to create dataflows ...