1 to 25 of 52 Permanent JSON Jobs in London

Senior Oracle Integration Cloud (OIC) Technical Consultant

Hiring Organisation
Version 1
Location
London, England, United Kingdom
Publisher (BIP) – essentialExperience with OTBI data extraction – essentialExperience with Oracle Visual Builder (VBCS) – essentialExtensive experience with Oracle integration technologiesStrong experience with SOAP, REST, XML, JSON, SQL, XSLT/XPathUnderstanding of Oracle ERP/HCM/SCM API interaction and data modelsStrong communication skills and ability to lead technical discussionsDesirable & Beneficial ...

QA Automation Engineer / Consultant

Hiring Organisation
Methods Consulting
Location
London, UK
Employment Type
Full-time
experience with Serenity BDD, Cucumber/Gherkin, Selenium WebDriver and REST Assured, supported by frameworks such as JUnit and AssertJ.Strong understanding of REST APIs, JSON, authentication, validation and error handling. Experience testing distributed or microservice-based applications, including asynchronous processing and messaging. Ability to verify complete business workflows across service ...

Senior C# .Net Developer

Hiring Organisation
Advanced Resource Managers Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 per day
Preferred Stack C# | .NET Core/.NET 8 | ASP.NET Core | REST APIs | SQL Server | Entity Framework | Azure | Azure DevOps | Git | Docker | Kubernetes | Kafka | Redis | JSON/XML | Swagger/OpenAPI Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource ...

Senior Backend Developer with Umbraco C# .net

Hiring Organisation
Nexus Jobs
Location
London, England, United Kingdom
with JIRA and ConfluenceCapable of working with (and developing) multiple (REST) APIs documented with e.g. OpenAPI/swagger and other API messaging formats e.g. JSON, XML, SOAPExperience of PowerBI, PowerQuery and RExperience of structured testing and quality assurance approaches (e.g. Test Driven Development and Behaviour Driven Development) A positive ...

Fixed Income E-Trading Senior Java Developer - Vice President

Hiring Organisation
Citigroup
Location
London, UK
Employment Type
Full-time
Agile globally distributed team using tools such as Jira, Bitbucket, Sonar & Team CityWorked with tools such as IntelliJ, Gradle, etc.,Experience on JSON/XML and REST serviceEducation: Bachelor's degree/University degree or equivalent experienceCompetencies: Excellent communication skills, oral and written; ability to face off to business users. ...

Senior Digital Developer – ODM

Hiring Organisation
NHS Blood and Transplant
Location
England, S75 3FG, Liverpool, L24 8RB, Birmingham, B15 2SG, London, NW9 5BG, SW17 0RB, Bristol, BS34 7QH, Barnsley, Manchester, M13 9LL, United Kingdom
Salary
£49387.00 to £56515.00
queries Other Mandatory Skills Estimation methods, SOLID design principles, Agile/Lean and Traditional Methodologies. OOAD and UML Techniques. HTML, JavaScript, JQueryXML, XSD, JSON Network architecture and protocols such as SNMP, HTTP, SOAP, REST and SOA Web Services,Testing Strategies, Testing Tools SQL Developer as testing tool, JMeter, APEXSec, cURL ...

Test Analyst / Software Tester

Hiring Organisation
AWD online
Location
Hounslow, Middlesex, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £50,000 per annum
functional, regression, integration and API testing concepts Ability to read basic technical documentation, data flows and integration diagrams Familiarity with REST/SOAP APIs, JSON, XML and integration testing basics Knowledge of SQL for data validation Experience testing within Agile delivery teams and sprint cycles Awareness of automation testing concepts ...

Murex Market Risk Developer (Remote) (EST)

Hiring Organisation
Resourgenix Ltd
Location
London, UK
into Murex solutions. Technical skills SQL and Oracle/relational databases Unix/Linux and Shell scripting Python and/or Java XML/JSON and REST APIs Interfaces and integration technologies Git, CI/CD and DevOps processes Batch scheduling and enterprise schedulers Candidates can be based offshore ...

Murex Risk Developer

Hiring Organisation
Advanced Resource Managers Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£60.00 - £63.00 per hour
users. Technical Skills Strong experience with several of the following: * SQL* Oracle/relational databases * Unix/Linux * Shell scripting * Python * Java * XML/JSON * REST APIs/integration technologies * Git or equivalent source-control tools * CI/CD and DevOps processes * Batch scheduling/enterprise schedulers Strong ...

Solutions Architect

Hiring Organisation
Lynx Recruitment Limited
Location
South West London, London, United Kingdom
Employment Type
Permanent
Salary
£80,000
cloud-native solutions across AWS, Azure, and/or GCP. Strong understanding of API security, authentication, and integration patterns including OAuth2, OpenID Connect, REST, JSON, and API Gateway technologies. Demonstrable experience producing High-Level Designs (HLDs), solution options, architecture assessments, and technical governance documentation. Strong engineering mindset with a focus ...

Solutions Architect

Hiring Organisation
Lynx Recruitment Ltd
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
cloud-native solutions across AWS, Azure, and/or GCP. Strong understanding of API security, authentication, and integration patterns including OAuth2, OpenID Connect, REST, JSON, and API Gateway technologies. Demonstrable experience producing High-Level Designs (HLDs), solution options, architecture assessments, and technical governance documentation. Strong engineering mindset with a focus ...

SOC Engineer - FTC

Hiring Organisation
Barclay Simpson Corporate Governance Recruitment
Location
London, England, United Kingdom
compliance requirementsSkills & ExperienceTechnical ExpertiseHands-on experience with SIEM platforms such as Splunk, Microsoft Sentinel, QRadar, Elastic, ArcSight, LogRhythm, or ExabeamStrong understanding of log formats (JSON, syslog, XML, CEF) and ingestion methods (APIs, Kafka, Event Hubs, agents)Experience in detection engineering, threat modelling, and attacker behaviour analysisProven ability to build ...

Senior Solutions Engineer

Hiring Organisation
Choco
Location
London, England, United Kingdom
with low-code or automation tools such as n8n, Zapier, and Tray.ai.Basic programming knowledge (e.g. JavaScript or Python) and working knowledge of REST APIs, JSON/XML, webhooks, authentication (OAuth, API keys), and data mapping.Strong analytical and problem-solving skills with a collaborative, solution-focused mindset.Excellent communicator with the ability ...

Digital Developer - Azure

Hiring Organisation
NHS Blood and Transplant
Location
Barnsley, S75 3FG, Speke, Liverpool, L24 8RB, London, NW9 5BG, Plymouth, PL6 8DH, Birmingham, B15 2SG, Newcastle upon Tyne, NE2 4NQ, Filton, Bristol, BS34 7QH, Manchester, M13 9LL, Basildon, SS14 3EZ, Southampton, SO16 5AF, United Kingdom
Salary
£39959.00 to £48117.00
APEX Knowledge of estimation methods, Agile/Lean and traditional methodologies, object-oriented analysis and design, database design, UML, HTML, JavaScript, JQuery, XML, XSD, JSON, and relevant unit-testing frameworks. Ability to interpret highly complex information, make software design decisions, and independently identify and resolve technical issues throughout the development ...

Python Software Engineer Agentic AI

Hiring Organisation
Client Server
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
testing and deployment You have experience building AI agents or automating business processes using agentic technology You have experience of working with and creating JSON based REST APIs You're keen to work in a start-up environment You have excellent communication and collaboration skills You are a passionate technologist ...

Full Stack Dot Net Software Developer

Hiring Organisation
Nexus Jobs
Location
London, England, United Kingdom
business process automationCapable of working with (and developing) multiple (REST) APIs documented with e.g. OpenAPI/swaggerPowerBI, PowerQuery, Dax & MOther API messaging formats e.g. JSON, XML, SOAPExperience of structured testing and quality assurance approaches (e.g. Test Driven Development and Behaviour Driven Development)A positive and cooperative individual who will work ...

Workday Integrations Consultant

Hiring Organisation
Cognizant
Location
London, UK
Employment Type
Full-time
gathering technical requirements and translating them into practical solutions. Strong troubleshooting, analytical, and problem-solving skills. Knowledge of integration architecture, data mapping, XML, XSLT, JSON, and web service technologies. Strong communication and stakeholder management skills. Ability to manage multiple priorities and work effectively in a fast-paced consulting environment. Eligible ...

Workday Integrations Consultant - AMS (Application Managed Services)

Hiring Organisation
Cognizant
Location
London, UK
Employment Type
Full-time
techno‐functional role. Hands‐on experience supporting Workday integrations in a post‐go‐live or AMS environment. Demonstrated proficiency with integration technologies, including REST, JSON, SOAP, SSL, PGP, SAML, and Workday integration tools. Experience with SaaS‐based integration architectures and monitoring/support models. Strong communication and presentation skills, with ...

Senior Business Analyst - Core Banking Transformation

Hiring Organisation
Proactive Appointments
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£550.00 - £650.00 per day
message mappings and test scenarios for treasury and payments. Strong conceptual and logical data modelling, data mapping and migration reconciliation experience. Ability to interpret JSON and XML schemas, REST APIs and event-driven API specifications. Proven experience authoring RFPs and evaluating enterprise banking software vendors. Expertise in requirements management ...

Knowledge Graph & Semantics Consultant

Hiring Organisation
Capco
Location
London, UK
Employment Type
Full-time
automation, guardrails, auditability and escalation. What We're Looking ForStrong understanding of knowledge representation and semantic technologies, including OWL, RDF, SWRL, SPARQL, JSON-LD, Turtle and N-Quads. Experience with semantic modelling and graph/triple-store technologies such as PoolParty, Stardog, TigerGraph, Ontotext GraphDB, Grakn, MarkLogic, Metaphactory or Neo4j.Ability ...

Senior Forward Deployed AI Engineer - Vice President

Hiring Organisation
Citigroup
Location
London, UK
Employment Type
Full-time
backend services. Experience with REST/gRPC API development, Docker, Git, Linux environments and CI/CD automation pipelines. Understanding of prompt engineering, structured JSON output validation (e.g. Pydantic) and vector search/retrieval patterns. Proven ability to work collaboratively in fast-paced agile squads solving ambiguous technical problems. What ...

Frontend Software Developer with Javascript HTML

Hiring Organisation
Nexus Jobs
Location
London, England, United Kingdom
preferably with Umbraco)Capable of working with multiple (REST) APIs documented with e.g. OpenAPI/swagger and other API messaging formats e.g. JSON, XML, SOAPGood knowledge of technical SEO best practices, familiar with LightHouse on assessing page load timesWorked in an agile/Kanban environment and familiar with JIRA ...

Site Reliability Engineer

Hiring Organisation
JAM Recruitment Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
£700 - £750 per day
Microsoft SQL Server (MSSQL) database administration, following industry best practices. Hands-on experience with identity brokers and modern authentication/authorisation mechanisms (e.g., JSON Web Tokens, PKI). Strong knowledge of Infrastructure as Code (IaC) tools such as Ansible for Linux provisioning and configuration management. Experience working with containerisation technologies ...

Oracle EBS Technical Lead - London

Hiring Organisation
Salt Search
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £700.00 per day
Workflow Oracle Application Framework (OAF) Oracle EBS APIs & Open Interfaces Oracle Integrated SOA Gateway (ISG) REST/SOAP API Development Web Services, REST APIs, JSON, XML Oracle Integration and Middleware concepts Technical Design, Code Reviews, Unit Testing & Deployment *Rates depend on experience and client requirements ...

Oracle EBS Technical Lead - London

Hiring Organisation
Salt
Location
London, UK
Workflow Oracle Application Framework (OAF) Oracle EBS APIs & Open Interfaces Oracle Integrated SOA Gateway (ISG) REST/SOAP API Development Web Services, REST APIs, JSON, XML Oracle Integration and Middleware concepts Technical Design, Code Reviews, Unit Testing & Deployment *Rates depend on experience and client requirements ...