101 to 125 of 134 JSON Jobs in the UK

Implementation Manager

Hiring Organisation
Trevose Partners
Location
London Area, United Kingdom
Experience in implementation, onboarding, or client delivery within financial technology Prior team lead or supervisory experience Hands-on experience working with FIX, XML, or JSON for client connectivity/integrations Understanding of electronic trading workflows and system integrations Strong client-facing experience and ability to manage multiple projects Clear communication ...

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 ...

Backend Developer

Hiring Organisation
The Portfolio Group
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£50000 - £55000/annum
teams, in a truly agile way, delivering small increments of value to our customers very frequently. An Ideal candidate would have experience of REST, JSON and how to build clean architecture with TDD and BDD for mobile platforms. The ideal candidate will have a positive, 'can-do' attitude, with ...

BI Developer

Hiring Organisation
Oscar Technology
Location
Liverpool, Merseyside, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £45,000 per annum
data handling, automation, and integration work Assist with the design and maintenance of data flows and transformations Work with structured data formats including CSV, JSON, and API-based feeds Drive improvements to internal processes through technical problem-solving Stakeholder Engagement Work closely with colleagues across the business to gather requirements ...

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 ...

Senior Solutions Engineer

Hiring Organisation
DomainTools
Location
London, UK
networking technologies. Good understanding of various firewall and web proxy technologies. Working knowledge of SIEM/TIP/SOAR platforms. Familiarity with JSON/RESTful API endpoints. Familiarity with Big Data concepts and the management of large on-premise datasets. ...

Development Coach – AI Automation (Level 4)

Hiring Organisation
Apprentify
Location
United Kingdom
digital learning platforms confidently. Desirable Experience delivering apprenticeships or structured training programmes. Familiarity with Power Platform (Power Apps, Dataverse, ALM), API testing with Postman, JSON transformation, or Power BI for automation reporting. Experience with agentic AI integrations or AI‐driven workflow enhancements. Relevant certifications (e.g., Microsoft Power Platform, AI, Automation ...

CIAM Engineer

Hiring Organisation
Contechs Consulting
Location
Newark, California, Newark on Trent, Nottinghamshire, United Kingdom
Employment Type
Contract
Customer Experience Ensuring Security & Compliance Managing User Lifecycle Fraud Reduction System Integration Experience Required: Minimum 7 years' experience: Protocols: OAuth2, OIDC, SAML, and JWT (JSON Web Tokens). Development: JavaScript/Node.js/React, React, Angular or Vue. Identity Concepts: RBAC, ABAC and FGA. APIs: RESTful API design and M2M. ...

.NET Developer

Hiring Organisation
Reed Technology
Location
Blackburn, Lancashire, North West, United Kingdom
Employment Type
Permanent
Salary
£40,000
timescales and within budget Previous exposure to customers and the ability to see a project from a user perspective is highly desirable Experience of JSON, jQuery and SQL would be advantageous Some design experience would also be desirable but not essential Ideal Candidate Profile: Demonstrate an ability to work within ...

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 ...

Marketing Associate

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£48,000 - £55,000 per annum
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 ...

Head of SEO & Content

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Keyword research & mapping Crawl optimisation SERP features optimisation Experience migrating a website Page speed optimisation Rank tracking Building SEO reports Schema mark-up (incl JSON-LD) Good working knowledge of crawling tools, including Screaming Frog or any cloud-based programs Knowledge of HTML, CSS, JS Experience working on off-site ...

Integration Engineer

Hiring Organisation
Future Talent Group
Location
Oxfordshire, England, United Kingdom
systems, sensors, or hardware • Familiarity with Linux environments • Experience with containers such as Docker • Comfortable working with APIs, data formats, and schemas such as JSON Why apply • Work on real, deployed systems with immediate impact • Join a collaborative and technically strong engineering culture • Exposure across software, hardware, and edge systems ...

Solutions Engineer

Hiring Organisation
SEEKR
Location
London Area, United Kingdom
with citations – in seconds You might be a fit if You write solid Python and actually enjoy debugging ugly real‐world data and integrations JSON, APIs and webhooks are just part of how you think about systems You’ve built data/ML/automation workflows before and can roughly ...

Technical Lead

Hiring Organisation
Insight Global
Location
Chester, England, United Kingdom
development of Java‐based microservices , event‐driven systems, and REST APIs. Deliver solutions aligned to ISO 20022 , RTP schemes, message transformations (XML/JSON), and payment routing/validation. Implement integration patterns using Mule ESB or similar middleware , messaging, and Kafka . Own architecture decisions, design reviews, and technical standards … systems. Payments experience: CHAPS, TARGET2, CBPR+, RTP , or similar. Oracle SQL/PL‐SQL and performance tuning for large transactional systems. Deep XML/JSON expertise; ISO 20022 transformations. Integration tech: Mule ESB , messaging, Kafka. Strong SDLC knowledge (Agile/Waterfall) plus CI/CD and DevOps tooling. TDD/ ...

Scala Developer (Remote)

Hiring Organisation
Stealth iT Consulting
Location
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
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)

Hiring Organisation
Stealth iT Consulting
Location
Leeds, West Yorkshire, 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
Bolton, Greater Manchester, 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 ...

Senior Scala Developers

Hiring Organisation
Agilis Recruitment
Location
England, United Kingdom
Leeds, South Wales, and Birmingham. Skills/Experience Required: Strong experience with Scala and functional programming. Skilled in designing/consuming REST APIs and JSON validation/serialisation (Play JSON, Circe). Proficient with relational databases (PostgreSQL) and NoSQL (MongoDB). Experience writing unit/integration tests using ScalaTest, Specs2 ...

Mobile Software Engineer

Hiring Organisation
Hunter Selection
Location
Bristol, United Kingdom
Employment Type
Permanent
Salary
£60000 - £75000/annum buy and sell holiday, private medica
developer, iOS engineer, mobile developer, Git, Azure DevOps, GitHub, Azure Repos, SQLite, SQLite database, Testflight, Xcode cloud, App Store Connect, Jenkins, Rest API, RestAPI, JSON, Objective-C, Swift, Objective C, Swift Concurrency, SwiftUI, UIKit, Auto Layout, Xcode, Instruments, Apple iOS, iOS developer, iOS engineer, mobile developer, Git, Azure DevOps, GitHub … Azure Repos, SQLite, SQLite database, Testflight, Xcode cloud, App Store Connect, Jenkins, Rest API, RestAPI, JSON, Objective-C, Swift, Objective C, Swift Concurrency, SwiftUI, UIKit, Auto Layout, Xcode, Instruments, Apple iOS, iOS developer, iOS engineer, mobile developer, Git, Azure DevOps, GitHub, Azure Repos, SQLite, SQLite database, Testflight, Xcode cloud ...

Full Stack Developer

Hiring Organisation
Reed
Location
Shirebrook, Mansfield, Nottinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £40,000 per annum, Negotiable
from scratch. What you’ll be doing: Frontend Build fast, responsive, user-focused interfaces using React.js Deliver new features and reusable components by consuming JSON APIs Optimise performance using React hooks such as useEffect, useMemo, and useRef Maintain a clean, consistent UI using Bootstrap and/or Material UI Backend … Commercial experience building full-stack applications with React.js , Node.js , and SQL Strong understanding of decoupled/n-tier architectures Confident consuming and integrating RESTful JSON APIs Experience working with SQL Server and stored procedures Proficiency in JavaScript (ES6+) Experience building lightweight, responsive UIs Comfortable working in Agile/Scrum environments ...