13 of 13 JSON Jobs in Central London

Senior Software Engineer

Hiring Organisation
Cyber Guardian Consulting Group, LLC
Location
City of London, London, United Kingdom
alerts, retries) Help shape engineering culture and hiring as we build out the London team Required Qualifications Strong experience working with REST APIs and JSON/XML payloads Proficiency in Python or other backend languages Proficient or experienced with cloud technologies such as AWS, Azure, or GCP Experience debugging ...

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. ...

Workday Integration Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £501 per day
Integration: Experience with RESTful and SOAP APIs to connect Workday with other systems and applications. Data Formats: Familiarity with various data formats like XML, JSON, and CSV for data exchange and transformation. Database Skills: Understanding of database concepts and SQL for managing and querying data. Security and Authentication: Knowledge ...

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 ...

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 ...

Mainframe Modernization - IBM DataPower Engineer

Hiring Organisation
DCV Technologies Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
implementing secure, high-performance integration solutions using IBM DataPower Gateway to expose mainframe services (CICS, IMS, DB2, MQ) as modern APIs (REST/JSON, SOAP). Enable legacy-to-digital transformation by bridging z/OS applications with API platforms and cloud. Your responsibilities: (Up to 10, Avoid repetition) Develop ...

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 ...

Sr. Python Developer

Hiring Organisation
Ascendion
Location
City of London, London, United Kingdom
Collaborate on React UI app, ensuring clean API contracts and integration with backend services. Define, evolve, and maintain structured products data models defined as JSON schemas. Contribute to system design and architecture decisions for a globally distributed FO platform. Knowledge of Structured Products (Notes, Warrants, Certificates) Desirable Skills: Familiarity with ...

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 ...

Lead Data Engineer(Kakfa/Openshift)

Hiring Organisation
Synechron
Location
City of London, London, United Kingdom
dashboards/alerts. Proficiency in Python or similar languages for ETL/ELT, enrichment, and validation workflows. Solid experience with Avro/Protobuf/JSON schemas and compatibility best practices. Knowledge of observability frameworks and ability to drive towards Level 4 maturity (proactive automation). Understanding of multi‐cluster ...

Technical Partner Specialist (Remote - Europe-based)

Hiring Organisation
Stream
Location
Central London / West End, London, United Kingdom
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 ...

Oracle Developer

Hiring Organisation
Invitise Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £650 per day
builds and enhancements to current workstreams. Essential experience: Strong development background Oracle Integration Cloud Oracle Fusion Cloud Integration work with SOAP, REST, JSON OIC, Postman, Curl Oracle VBCS ERP and HCM integrations via OIC OAUTH, IAM, JWT GIT, XML, JSON, XSLT Desirable: Public cloud and security knowledge DevOps background Experience … processes Understanding of secure development practices Interested? Please apply below. Oracle Integration Cloud, OIC, Oracle Fusion, Oracle ERP, HCM, VBCS, OCI, Integrations, REST, SOAP, JSON, SC Cleared, Inside IR35. ...

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 ...