26 to 50 of 55 JSON Jobs in London

SOC Engineer - 6 Month FTC

Hiring Organisation
Precise Placements
Location
London, UK
Employment Type
Full-time
Technical Expertise Hands-on experience with leading SIEM platforms (e.g., Exabeam, LogRhythm, ArcSight, Microsoft Sentinel, Splunk, QRadar, Elastic). Strong understanding of log formats (JSON, syslog, XML, CEF, etc.) and ingestion technologies (Syslog, API, Event Hubs, Kafka, Agents). Practical knowledge of detection engineering, threat modelling, and attacker behaviour analysis. ...

SOC Engineer - 6 Month FTC

Hiring Organisation
Precise Placements
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£65,000 - £80,000 per annum
Technical Expertise Hands-on experience with leading SIEM platforms (e.g., Exabeam, LogRhythm, ArcSight, Microsoft Sentinel, Splunk, QRadar, Elastic). Strong understanding of log formats (JSON, syslog, XML, CEF, etc.) and ingestion technologies (Syslog, API, Event Hubs, Kafka, Agents). Practical knowledge of detection engineering, threat modelling, and attacker behaviour analysis. ...

C# .Net Software Developer

Hiring Organisation
Ashdown Group
Location
Central London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
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 ...

Senior OPERA PMS & OHIP Specialist

Hiring Organisation
Salt
Location
London Area, United Kingdom
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 ...

Ruby on Rails Backend Engineer

Hiring Organisation
Rise Technical Recruitment
Location
Fulham, London, United Kingdom
Employment Type
Permanent
Salary
£60000 - £80000/annum Private Healthcare + Holiday + Pensi
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 ...

M365 Automation Graduate Consultant

Hiring Organisation
Pi Digital Solutions
Location
Greater London, England, United Kingdom
concepts or data-driven automation Experience from university projects, internships or placements involving automation or systems design Familiarity with scripting, APIs, or structured data (JSON, XML, etc.) Interest in progressing towards a technical architect or specialist role Qualifications Bachelor’s degree (or equivalent) in Computer Science, Engineering, Information Systems ...

Principal Solutions Consultant

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Automation Software Engineer - Power Automate - £650/day 6mths

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
What you'll be doing Building and orchestrating automations using Power Automate (core skill) Working with stand-alone APIs and small structured datasets (CSV, JSON, spreadsheets) Automating ITSM processes, checklists, and onboarding (JML) Consolidating data into Azure DevOps dashboards Supporting ServiceNow CI/CD integrations (read-only) Delivering PoCs Creating ...

S/4HANA Coupa Integration Architect

Hiring Organisation
Searchability NS&D
Location
London, UK
Employment Type
Full-time
flow across procurement and finance systems. Design and deliver integration architecture across Coupa and SAP S/4HANA Build and manage APIs (REST/JSON, OData), IDocs, and BAPIs Oversee master data and transactional integration (P2P, AP) Collaborate with business and technical stakeholders across multiple teams Support full lifecycle delivery ...

S/4HANA Coupa Integration Architect

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £577 per day
flow across procurement and finance systems. Design and deliver integration architecture across Coupa and SAP S/4HANA Build and manage APIs (REST/JSON, OData), IDocs, and BAPIs Oversee master data and transactional integration (P2P, AP) Collaborate with business and technical stakeholders across multiple teams Support full lifecycle delivery ...

OPERA PMS/OHIP Consultant

Hiring Organisation
Norton Blake
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 600 Daily
experience (v5.x & OPERA Cloud) Strong understanding of Reservations, Front Desk, Cashiering, Profiles, Rate Management & Night Audit Proven OHIP API experience Strong knowledge of JSON, REST APIs & Postman Excellent data mapping and analytical skills Ability to translate operational hotel processes into technical data logic ...

Client Services Manager - Derivatives and Prime Brokerage

Hiring Organisation
CBSbutler Holdings Limited
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
+ Bonus and Benefits. You will responsible for full system implementation projects and proof of concept (POC) projects, project management, client on-boarding, optimisation, JSON, Python, APIs, scripting, derivatives and/or trading lifecycle understanding, etc. * Be able to understand, at least at a high level, how Prime Brokerage margin ...

Integration Engineer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500.0 - £595.0 per day + up to £595pd (Outside IR35)
Proven experience working with InterSystems HealthShare. Strong hands-on experience mapping source systems to SDA3. Experience building integrations using HL7 v2, FHIR, XML/JSON, and APIs. Hands-on experience with ObjectScript or HealthShare configuration. Experience implementing routing, transformation, validation, and error handling. Strong understanding of core healthcare data (demographics ...

Integration Engineer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, UK
Employment Type
Full-time
Proven experience working with InterSystems HealthShare. Strong hands-on experience mapping source systems to SDA3. Experience building integrations using HL7 v2, FHIR, XML/JSON, and APIs. Hands-on experience with ObjectScript or HealthShare configuration. Experience implementing routing, transformation, validation, and error handling. Strong understanding of core healthcare data (demographics ...

Solution Consultant

Hiring Organisation
Mirakl
Location
London, England, United Kingdom
with a track record of leading design sessions and crafting detailed, technical solutions for SaaS platforms You are familiar with web technologies and frameworks (JSON/XML, CSV, Responsive Design, Restful APIs). Fluency in English. We welcome collaborators with their diverse perspectives and experiences to power us forward. These ...

AI Engineer

Hiring Organisation
Fruition Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90,000
platforms such as Copilot Studio Experience working with generative AI concepts (e.g. prompt design, RAG, grounding) Good understanding of integration patterns (APIs, REST/JSON, event-driven workflows) Experience with Microsoft ecosystem tools such as Power Platform and Microsoft 365 Knowledge of identity, access control, and secure system design Ability ...

Marketing Associate

Hiring Organisation
McGregor Boyall Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£55,000
needs into technical solutions and scalable workflows Strong stakeholder management skills with experience working across technical and non-technical team Working knowledge of SQL, JSON, or API troubleshooting Experience with customer data platforms (CDPs) and attribution models Exposure to AI-driven automation or agent-based workflows Understanding of data privacy ...

Integration Specialist – Workforce Management

Hiring Organisation
Intec Select Ltd
Location
London, Billingsgate, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £750/day
Understanding of payroll, HRIS, time and attendance, and scheduling data Strong skills in integration tooling (e.g., CPI/MuleSoft/Boomi) and data formats (JSON/XML/CSV). Experience with authentication/authorisation, logging, and operational support Ideally also an understanding of: Payroll processing cycles and time valuation ...

Client Delivery Team Lead

Hiring Organisation
EML
Location
London Area, United Kingdom
mentoring skills to guide Client Delivery Managers Ability to translate complex client requirements into actionable technical solutions Desirable: Proficiency in API concepts (REST, JSON, authentication methods) Advanced understanding of SaaS product architecture and capabilities Ability to manage multiple technical projects simultaneously What you’ll be offered Recharge and Give Back ...

Founding Practice Lead — AI Governance

Hiring Organisation
Norven Group
Location
City of London, London, United Kingdom
playbook v1 — which becomes the institutional standard. Platform integration. Work alongside the engineering lead to define what the operator portal must capture, structure canonical JSON, design evidence-intake architecture, and ensure the seal pipeline matches methodology output. Fellow-readiness operations. Build per-Fellow conflict-check workflows, hardware-key onboarding process ...

Senior Integration Specialist

Hiring Organisation
London North West University Healthcare NHS Trust
Location
Harrow, HA1 3UJ, United Kingdom
Salary
Negotiable
areas: Enterprise Systems architecture, design & integration Healthcare sector data standards (e.g. HL7 v2/v3/FHIR) Web technologies (e.g. web services, XML/JSON, REST API's.) Software development Able to analyse problems and business requirements in a logical fashion and to transform these to technical proposals Excellent analytical … areas: Enterprise Systems architecture, design & integration Healthcare sector data standards (e.g. HL7 v2/v3/FHIR) Web technologies (e.g. web services, XML/JSON, REST API's.) Software development Lengthy and broad working experience of NHS acute care organisations or equivalent Experience of Intersystems HealthConnect. Experience developing integration solutions ...

DB Administrator

Hiring Organisation
Methods Business and Digital Technology Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
event-based, batch) Work with data engineers to structure data for reporting and audit use cases Address challenges with semi-structured data ( eg JSON/JSONB fields) Development Support & Collaboration Collaborate with engineering teams on: Database design and schema evolution Query optimisation Data modelling for services and reporting Support … guidance on best practices for database usage within microservices Essential Skills & Experience Technical Strong experience with PostgreSQL, including: Performance tuning Indexing strategies Query optimisation JSON/JSONB handling Experience with Azure PostgreSQL Flexible Server Proficiency in SQL and database troubleshooting Experience with Terraform or similar IaC tooling Understanding of: Backup ...

Scala Developer (Remote)

Hiring Organisation
Stealth iT Consulting
Location
East London, London, United Kingdom
Solid understanding of functional programming concepts and idiomatic Scala (e.g., immutability, monads, cats/Scalaz familiarity advantageous). Experience designing and consuming REST APIs, JSON validation/serialization (Play JSON, Circe). Experience with relational databases (PostgreSQL) and/or NoSQL (MongoDB), including schema design and query optimisation. Proven experience ...

Scala Developer (Remote)

Hiring Organisation
Stealth iT Consulting
Location
City of London, London, United Kingdom
Solid understanding of functional programming concepts and idiomatic Scala (e.g., immutability, monads, cats/Scalaz familiarity advantageous). Experience designing and consuming REST APIs, JSON validation/serialization (Play JSON, Circe). Experience with relational databases (PostgreSQL) and/or NoSQL (MongoDB), including schema design and query optimisation. Proven experience ...

Scala Developer - Remote Contract - £400 Outside IR35

Hiring Organisation
Stealth iT Consulting
Location
West London, UK
functional programming concepts and idiomatic Scala (immutability, monads; familiarity with Cats or Scalaz is a plus). Experience designing and consuming REST APIs , including JSON validation/serialization (Play JSON, Circe). Proficiency with relational databases (PostgreSQL) and/or NoSQL (MongoDB), including schema design and query optimization. Proven experience ...