25 of 25 Permanent JSON Jobs in London

business Skills and Experience: Essential 1+ years Microsoft ASP .NET experience C# ASP.NET core MVC/WebAPI Entity Framework RESTful web services and JSON Javascript HTML/CSS Degree in computer science or another closely related subject Desirable T-SQL Web Security and Cryptography React Docker Python Qualities: Team player ...

clean architecture Frameworks – Vue/Nuxt (or React/Next.js), component-based development State management – Vuex, Pinia, or equivalent patterns API integration – REST/JSON, error handling, loading states Performance – bundle optimisation, code splitting, rendering strategies Accessibility & UX – semantic HTML, responsive design, usability best practice Testing – unit and component testing ...

Terraform. Familiarity with React for UI development is highly valuable. Integration Expertise: You understand real-time messaging such as AMQ, API design using JSON and Swagger, and batch processing methods commonly used in trading systems. Infrastructure & DevOps: You understand CI/CD workflows, Git-based repositories, automation tools such ...

Code practices and implementation Strong understanding of networking, security, and system administration. Technical Skills Azure monitoring and Application Insights ARM/Bicep templates and JSON scripting PowerShell scripting Software development methodologies and practices Security best practices and risk management Technical Skills & Innovation Ability to monitor system performance, availability, and reliability ...

Experience * Strong proficiency in Swift and iOS SDKs, with a deep understanding of UIKit, SwiftUI, Combine, and Core frameworks. * Experience with RESTful APIs, JSON, and mobile architecture patterns (MVVM, Clean Architecture). * Familiarity with Xcode, GitHub, mobile CI/CD tools, automated testing frameworks and the app store deployment process. ...

Experience 8+ years' experience in WordPress development Strong expertise in the WordPress and Gutenberg ecosystem Experience building custom Gutenberg blocks, RSS feeds and WP-JSON API endpoints Advanced HTML, CSS and PHP skills with a focus on performance Strong Front End JavaScript experience, including React Solid understanding ...

with text mining, regex, and unstructured data Hands-on database design, optimisation, and ongoing maintenance Experience integrating data via REST and SOAP APIs (XML, JSON, HTML) Comfortable managing multiple workstreams and engaging confidently with stakeholders Desirable (but not essential): Experience working with catastrophe or exposure data Familiarity with industry-standard ...

with AI tools – nice to have Knowledge of European Mutual Funds/Exchange Traded Funds (ETF) – nice to have Message formats such as XML, JSON, SFTP and Swift - nice to have QA Engineer – Hybrid Due to the volume of applications received for positions, it will not be possible to respond ...

Anypoint Platform (Studio, API Manager, Runtime Manager) Solid understanding of API-led connectivity and enterprise integration patterns Experience with REST, SOAP, RAML/OpenAPI, JSON, XML Strong DataWeave development and transformation experience Familiarity with CI/CD pipelines and cloud deployment models Ability to manage both design-level architecture ...

experience building and maintaining Shopify storefronts with a strong front-end portfolio. Excellent understanding of Shopify architecture and theme development (Online Store 2.0, Liquid, JSON templates, sections, metafields/metaobjects). Hands-on experience with Shopify Plus and Shopify Markets in a multi-store environment. Strong HTML, CSS/SCSS ...

alignment with governance and best practices. The position involves analysing data flows, embedding metadata management, and supporting both structured and semi-structured data, including JSON and XML. Proficiency with Sparx Enterprise Architect, Erwin, PowerDesigner, or Visual Paradigm is key, alongside familiarity with SQL, Python, and financial data standards such ...

Very good understanding of industry standard trading protocols like FIX FpML Proficiency with Data Standards Data Modelling Proficiency with textbased formats like XML JSON Strong Proficiency with messaging frameworks MQ Kafka Proficiency with Spring Spring Boot Spring Integration Familiarity with testing patterns and dev ops Familiarity with cloud containerization Comfortable ...

Digital Messaging. Define non-functional requirements (scale, resiliency) and node strategy: Queue Processors vs. Job Schedulers, background processing, caching. Integration architecture: REST/JSON, SOAP (if needed), OAuth2/SAML, eventing (Kafka/JMS), idempotency, pagination, circuit breaker and retry patterns. Data design: enterprise data model, data pages (scope, refresh ...

Digital Messaging. Define non-functional requirements (scale, resiliency) and node strategy: Queue Processors vs. Job Schedulers, background processing, caching. Integration architecture: REST/JSON, SOAP (if needed), OAuth2/SAML, eventing (Kafka/JMS), idempotency, pagination, circuit breaker and retry patterns. Data design: enterprise data model, data pages (scope, refresh ...

working knowledge of data integration and modelling, including writing SQL, working with relational databases, and connecting to data sources such as Databricks, data lakes, JSON files, and API-driven services. Experience working confidently across multiple, complex datasets, understanding data lineage, definitions, and limitations, and ensuring outputs are accurate, consistent ...

UIKit Solid understanding of MVVM and Clean Architecture patterns Experience building modular, testable codebases Comfort with dependency injection patterns Experience integrating APIs (REST, JSON) Confident with Git and collaborative workflows Proven track record of owning and shipping complex Android apps in production Nice to Have SwiftUI, VIPER, Combine, or RxSwift ...

UIKit Solid understanding of MVVM and Clean Architecture patterns Experience building modular, testable codebases Comfort with dependency injection patterns Experience integrating APIs (REST, JSON) Confident with Git and collaborative workflows Proven track record of owning and shipping complex Android apps in production Nice to Have SwiftUI, VIPER, Combine, or RxSwift ...

partner-facing role (integrations, solutions engineering, technical support, developer support, technical account management, etc.). Strong API fluency - comfortable working with REST APIs, webhooks, JSON payloads, authentication, and environments. Ability to read API documentation, diagnose integration issues, and clearly explain technical concepts to technical and non-technical stakeholders. Strong written ...

partner-facing role (integrations, solutions engineering, technical support, developer support, technical account management, etc.). Strong API fluency - comfortable working with REST APIs, webhooks, JSON payloads, authentication, and environments. Ability to read API documentation, diagnose integration issues, and clearly explain technical concepts to technical and non-technical stakeholders. Strong written ...

Azure Data Factory or equivalent Ability to write efficient, reusable scripts for transformation, validation, and automation Hands-on experience integrating data from APIs (REST, JSON), including automated data collection Solid understanding of data modelling best practices for analytics and dashboards Confidence working with large, complex datasets across multiple formats … JSON, Parquet, databases, APIs) Strong problem-solving skills and the ability to diagnose and resolve data issues Excellent communication skills and experience working with cross-functional teams Genuine curiosity about how data drives content performance, audience behaviour, and monetisation If this sounds like the role for you then please apply ...

expected interview topics/questions. Main Duties and Responsibilities Data & Retrieval Build robust ingestion pipelines for PDFs/Word/Excel/Audio/JSON and semi-structured sources. Design RAG systems: chunking strategies, document schemas, metadata, hybrid/dense retrieval, re-ranking, and grounding. Manage vector/keyword indexes … Design, build, and maintain traditional ML and LLM models and pipelines. Build LLM apps using LangGraph/LangChain: tools/function calling, structured outputs (JSON Schema), agents, and multi-step reasoning. Implement ASR/TTS and multimodal where relevant (e.g., Whisper). Choose customization paths pragmatically: prompt engineering, system prompts ...

Deep knowledge of MVVM & Clean Architecture patterns ● Track record of building modular & testable code ● Good understanding of dependency injection ● Experience in API integration (REST, JSON) ● Experience with Git source control ● Exposure to AI-assisted development ● Demonstrated track record of shipping, owning, and maintaining complex Android applications in production environments Nice … have ● Experience using the JSON:API spec ● SwiftUI VIPER, either Combine or RxSwift ● Experience working with large, multi-modular projects ● Exposure to CI/CD pipelines ● Strong UI/animation sensibility ● Experience with multi-tenant or white-label apps Working at The Dots ● Kind, ambitious, inclusive team ● Flexible working, remote ...

want to play and learn more. You’re not afraid to get in the weeds with the raw data (be that tables, CSVs, or JSON) and with your advanced SQL proficiency you can query, transform, and analyse large datasets with ease. If the data doesn’t exist … basic image or video editing skills in a pinch. BONUS POINTS Experience with Python or R for deeper analysis and automation Comfortable working with JSON, event-based schemas, and Google Cloud tools like BigQuery Familiarity with Firebase, Amplitude, or GA4 for event tracking and analysis Strong understanding of content ...

system engineering, software development or technical change and release - Any experience working within insurance would be a plus - Excellent communication and customer engagement skills - JSON file format understanding - A real passion for AI and implementing into business applications - This Senior Software Implementation Consultant will receive the following: - Starting salary … then please apply now for further information and to be considered. Senior Software Implementation Consultant Remote (London, Birmingham hubs) Low code, FinTech, InsurTech, configuration, JSON, software applications ...

annum, depending on experience. Role Overview: Use Postman extensively to test and troubleshoot API integrations, resolve data-feed issues, and work with JSON structures. Build and own the triage process, support documentation, FAQs, guides, and the wider Support Portal . Provide customer support for the core SaaS platform. Work … there is a better way for us to communicate, please do let us know. Engineer, Support, SaaS, Software as a service, postman, JSON, implement, integrate, triage, python, go lang, golang Circle Recruitment is acting as an Employment Agency in relation to this vacancy. Earn yourself a referral bonus ...