15 of 15 JSON Jobs in the City of London

AI Architect

Hiring Organisation
Wipro
Location
City of London, London, United Kingdom
lead design forums. Preferred Skills Experience designing AI gateways , MCP (Model Context Protocol) implementations, and agent registries ; familiarity with metadata standards (DCAT/JSON‐LD). Exposure to enterprise AI platforms/labs and accelerators Knowledge of infrastructure automation in DC/cloud (orchestration, provisioning) with AI workloads ...

Quality Assurance Automation Engineer

Hiring Organisation
Retelligence
Location
City of London, London, United Kingdom
Move beyond surface-level checks; you will utilize SQL and exploratory techniques to identify root causes within high-velocity messaging streams ( FIX, Swift, XML, JSON ). Pipeline Mastery: Own the quality gate within the CI/CD lifecycle, ensuring automated triggers and data quality checks are seamless and fail-safe. ...

Principal Software Engineer

Hiring Organisation
Verifone
Location
City of London, London, United Kingdom
cross‐service design decisions Strong understanding of security, authentication flows, and data protection in distributed systems API & Data Design and governance of RESTful APIs, JSON, and HTTP standards API versioning and backward‐compatibility strategies MongoDB/NoSQL expertise, including: Data modeling Indexing strategies Performance optimization Advanced experience with Java concurrency ...

Mulesoft Architect

Hiring Organisation
167 Solutions Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Java Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£468 - £469/day
tools such as Apache Spark or in this instance LakeFS, for data processing and management. Useful - R, Apache Spark Very useful - Python, SQL, JSON, LakeFS. ...

Data Engineer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £510/day
working in cloud environments such as AWS or Azure is expected, with Databricks considered a nice to have. Required Skills: Java background Node JS Json RDS React Data Modelling Python/Spark Cloud experience (AWS/Azure) o AWS Glue o Databricks Testing e.g. PyTest Data Quality e.g. Great Expectations ...

Senior React Native Engineer - London Hybrid : £100k

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
Bring 5+ years’ experience delivering production mobile apps for iOS and Android. Strong expertise with iOS/Android SDKs, remote data handling (REST/JSON) and third-party integrations. Solid understanding of mobile architecture, trends and best practices across the entire development lifecycle. Clear, confident communication skills — written, verbal ...

Azure AI Architect

Hiring Organisation
Infoplus Technologies UK Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
completing architecture risk assessments. Proficiency in Python and/or C# for service integration, evaluation tooling, and adapters; solid understanding of REST APIs, JSON, and async patterns. Mode of working: Hybrid(3 days) Work locations: London, Tunbridge wells, Ipswich, Bolton ...

Senior AI Platform Engineer - GCP

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
Build and operate production-grade AI agents on GCP using Google ADK • Integrate AI systems with policy, claims and CRM platforms via REST/JSON APIs • Design scalable RAG pipelines (ingestion, chunking, vector search) • Implement evaluation, monitoring, A/B testing and cost/latency dashboards • Embed security, GDPR compliance ...

Head of Engineering

Hiring Organisation
Zeus® | AI-Powered Logistics
Location
City of London, London, United Kingdom
/S/4HANA patterns), TMS, WMS, carrier/telematics platforms, customer master systems Own integration architecture across: Inbound/outbound APIs (REST/JSON), event-driven messaging (queues/topics), batch feeds, file-based interfaces (S3-based exchanges), structured email fallbacks Demonstrate practical experience with API management and integration ...

Java Developer

Hiring Organisation
Sanderson Government and Defence
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £460 per day + Inside IR35
tools such as Apache Spark or in this instance LakeFS, for data processing and management. Useful - R, Apache Spark. Very useful - Python, SQL, JSON, LakeFS. Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome ...

Senior Network Automation Engineer

Hiring Organisation
Levy Global
Location
City of London, London, United Kingdom
Advanced Python for production-grade tools and services Go (preferred) for performant, long-running tooling Ansible (roles, collections, structured data models in YAML/JSON) Git workflows: branching, pull requests, semantic versioning Source of truth/CMDB systems (e.g. NetBox, Nautobot) Network validation & testing (pyATS, NAPALM, or similar) Linux networking ...

Platform Proposition Analyst

Hiring Organisation
Alexander Lloyd
Location
City of London, London, United Kingdom
Quote Aggregators or Product portals. Excellent interpersonal and stakeholder management skills, with the ability to influence effectively. Desirable (but not essential): Experience with XML, JSON messaging services, or platform integration. ...

QA Engineer - Payments

Hiring Organisation
Crisil
Location
City of London, London, United Kingdom
Integration Automation Automate testing of payment APIs using tools such as RestAssured, Postman, Karate, or equivalent. Validate message formats including MT/MX, XML, JSON and downstream system integrations. Develop automation for STP validation, exception handling, retries and fallback mechanisms. Automate reconciliation accuracy, intraday liquidity impacts and operational reporting validation. … Strong understanding of payment lifecycles and schemes (SWIFT, SEPA, ACH, RTP, FedNow, ISO 20022). Familiarity with message formats ( MT/MX ), XML/JSON parsing and validation tools. Experience with CI/CD pipelines and DevOps practices. Exposure to performance testing tools (JMeter, LoadRunner or similar) is a plus. ...

Oracle Cloud Integrations Specialist

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£650/day Inside IR35
Integration Cloud (OIC) Experience Good Oracle Fusion Cloud Experience Hands-on with development & unit testing of integration components & web services (SOAP/REST/JSON Payload) using OIC, Postman, Curl Oracle VBCS to develop custom elements of the service Strong experience of system interfaces (predominantly on a PaaS Cloud) Teamwork … Collaboration Skills Oracle ERP, HCM connectivity using Oracle Integration Cloud OAUTH, IAM, JWT Technoligies GIT, XML, JSON, XSLT, SOAPUI, Postman, Curl In depth knowledge of systems integration best practices and common architectural patterns. Desirable Knowledge of public cloud (IaaS) technologies including relevant security and IAM controls Security administration and auditing ...