1 to 25 of 40 Permanent JSON Jobs in London

Boomi Technical Consultant (Developer) – ...

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Strong hands‐on experience with Boomi AtomSphere Proven experience delivering integration solutions in enterprise environments Experience with APIs, REST/SOAP web services, XML, JSON, and ETL processes Knowledge of cloud integration patterns and middleware technologies Experience integrating systems such as Salesforce, Oracle, SAP, Microsoft, or similar enterprise platforms Strong ...

Senior Technical Lead

Hiring Organisation
Nextech Group Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
NinjaOne RMM, 3CX, Microsoft 365/Graph API * Strong JavaScript and/or Python for integration scripting and automation * REST API design - webhooks, OAuth, JSON transformation, event-driven architecture * Cross-platform data mapping across multiple SaaS systems * Technical documentation to a professional standard * Comfortable operating autonomously within a management structure ...

Microsoft Power Platform Developer (Copilot Studio Experience)

Hiring Organisation
Crowe UK
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
GitHub) Source control Ability to write and optimise expressions, formulas, and logic within Power Platform tools Basic knowledge of: JavaScript/TypeScript (for extensions) JSON and API integrations Understanding of: Generative AI grounding and data sources Prompt design and conversation design best practices Managing fallback, escalation, and human handoff scenarios ...

Senior Technical Consultant

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
supporting technologies. Expertise with scripting languages such as PERL, JavaScript, Python, and Shell. Web service proficiency (REST, SOAP) as well as XML and JSON knowledge. Knowledge of relational databases (MySQL, MSSQL, Oracle) beneficial. Must be prepared to travel. Must have legal authorisation to work in the UK. Essential Criteria Most ...

NetSuite Technical Lead - Remote working

Hiring Organisation
Communicate Recruitment Solutions LTD
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £80,000 per annum
Systems Integration Design, implement, and support integrations between NetSuite and third-party applications Work with REST/SOAP APIs and data formats such as JSON and XML Support and enhance middleware-based integrations (e.g., Boomi) and direct custom integrations Technical Design & Architecture Translate complex business requirements into technical specifications ...

Service Now Developer

Hiring Organisation
Sphere Digital Recruitment
Location
London, UK
Employment Type
Full-time
Skills Strong ServiceNow development experience (3+ years) Hands-on experience with Service Portal Solid background in web technologies including HTML, AngularJS, Bootstrap, CSS, JavaScript, JSON, and REST/SOAP Experience with ServiceNow integrations Ability to work in Agile environments Strong troubleshooting and analytical skills Excellent written and verbal communication skills ...

Integration Architect

Hiring Organisation
INTEC SELECT LIMITED
Location
London, UK
Employment Type
Full-time
solutions. Expertise in REST APIs, GraphQL, Azure Service Bus, Logic Apps, Event Grid, and file-based integrations. Strong understanding of data modelling, JSON, XML, and OData. Experience creating architecture diagrams, data flow maps, and technical documentation. Excellent communication skills with the ability to engage both technical and non-technical stakeholders. ...

Integration Developer – Boomi

Hiring Organisation
Required IT
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
Working with Azure Integration Services — including Logic Apps, API Management, Service Bus, and Event Grid Working with SQL databases and handling complex data transformations (JSON, XML) Writing clean, maintainable code in Python or similar languages to support integration workflows Contributing to integration strategy and technical architecture decisions Providing technical guidance ...

Fabric Data Engineer

Hiring Organisation
Initialize
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 per annum
Python and/or PySpark for data transformation and automation. Understanding of Power BI, semantic models, DAX and reporting requirements. Experience working with APIs, JSON, CSV, Parquet, Delta tables and common enterprise data formats. Knowledge of data governance, access control, data quality, metadata and lineage. Good documentation skills ...

Cloud Integration & DevOps Architect – Strategy Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
platform implementation including acting as technical lead, and chairing a design authority. Design of complex Integration patterns and reusable components, e.g., based on SSO, JSON, SOAP, XML, SAML, SSL, Web Services, LDAP, JDBC, ODBC, REST, SCP (Secure Copy Protocol) and SFTP Other essential skills Strong written and verbal communication Stakeholder ...

Tester - Umbrella - Insurance experience required

Hiring Organisation
Lorien
Location
London, UK
Employment Type
Full-time
integration-heavy, multi-system environments Hands-on experience with API/interface testing (REST and/or SOAP) Ability to interpret and analyse JSON and XML data structures Experience in data migration testing and validation Strong defect management experience (e.g. JIRA, Azure DevOps) Policy Admin System experience desirable Strong analytical ...

C# .Net Developer

Hiring Organisation
Randstad Technologies
Location
London, UK
Employment Type
Full-time
C# and .NET/.NET Core. Deep understanding of Object-Oriented Programming (OOP) and architectural design principles. Proven experience building and implementing REST/JSON APIs. Solid experience with relational databases (e.g., SQL Server). Familiarity with unit/integration testing and automated CI/CD pipelines. Financial Domain Knowledge ...

Test Manager

Hiring Organisation
coforge
Location
London, United Kingdom
Employment Type
Permanent
/or NDC. Hands-on experience with test management tools such as JIRA, ALM, qTest, Zephyr. Good understanding of APIs (REST/SOAP), XML, JSON, NDC schemas. Knowledge of automation tools (Selenium, Postman, Karate, RestAssured). Experience 8 15+ years in QA/testing, with at least 3+ years ...

Senior Software Engineer - Python / hx Renew

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
experience focused on .NET and/or .NET core concepts and design patterns with working knowledge of web service technologies such as REST, or JSON; automated unit, UI, and End-to-End tests such as NUnit, Mocha, Jasmine, Jest or Selenium; and DevOps, CI/CD, and configuration management tools. ...

Front End React Developer

Hiring Organisation
Ascend Consulting
Location
NW7, Mill Hill, Greater London, United Kingdom
Employment Type
Permanent
Salary
£45000 - £75000/annum Great Benefits
core principles Experience with Redux and RTK (RTKQuery also a bonus) Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools (Github actions a bonus) Experience with common front-end development tools such as Babel, Webpack ...

Ruby Developer

Hiring Organisation
Proactive Appointments
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 80,000 Annual
Strong understanding of OOP & Rails architecture Extensive experience with PostgreSQL (performance tuning, complex queries) Background job processing with Sidekiq & Redis Expertise in RESTful APIs , JSON, JWT, SSO Experience with AWS & Docker Production system support & troubleshooting Strong communication skills & Agile/Scrum experience Ruby on Rails Developer Due to the volume ...

ServiceNow Developer

Hiring Organisation
People First
Location
London, UK
Employment Type
Full-time
Strong ServiceNow development experience Hands-on development experience on the Service Portal Strong technical background using web technologies (specifically HTML, AngularJS, Bootstrap, CSS, JavaScript, JSON, REST/SOAP) ServiceNow integration experience ServiceNow Customer Service Management experience desirable (CIS-CSM certification ideal) ServiceNow Certified Application Developer (CAD) Working within an Agile ...

Manager, Sales Engineering Solutions engineering London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
able to prioritise shifting workloads and responsibilities effectively. Familiar with API‐based integration methods, associated best practices, and related tools/frameworks (REST/JSON APIs, Postman). Experience with at least one common front‐end (pure JavaScript, React, Angular, etc.) and back‐end (Java, .NET, Python, Node, etc.) technology. ...

Technical Architect - Pre-sales

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Experience in a technical pre-sales, solution architecture, or sales engineering role within a SaaS environment for large enterprise clients. Familiarity with RESTful APIs, JSON/XML, authentication protocols (OAuth, SAML), and cloud platforms (AWS, Azure, GCP). Understanding of cloud data platforms (Azure experience preferred). Familiarity with version ...

Software Engineer - Data, Lakehouse and AI Data Platform Engineer - Vice President - London

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
collaborative engineering environment. Experience working with distributed data processing frameworks such as Apache Spark . Working knowledge of common data formats such as JSON , Avro and Parquet . Technology Environment The role will involve working with a modern and evolving data stack. Candidates are not expected to have deep expertise ...

SC Cleared Data & Reconciliation Analyst

Hiring Organisation
TXP Technology x People
Location
London, UK
Employment Type
Full-time
post-migration assurance activities Core Skills & Experience Data reconciliation and validation SQL and data analysis Data quality assessment and reporting Data migration validation JSON/XML/CSV data validation Testing and defect validation ...

Power Platform Developer - Hybrid

Hiring Organisation
Silver Birch Rec Ltd T/A Etech Partners
Location
London, United Kingdom
Employment Type
Permanent
Salary
£65,000
collections and variables. Good knowledge of Power Fx formulas and functions. Experience building automated workflows using Power Automate. Experience working with HTTP connectors, Parse JSON and API integrations. Knowledge of custom connectors, REST APIs and web services. Experience implementing error handling, conditions and parallel processing within flows. Ability to work ...

ServiceNow Developer

Hiring Organisation
Randstad Technologies
Location
London, UK
Employment Type
Full-time
Expert in designing synchronous/asynchronous REST/SOAP integrations (inbound and outbound). Proficient with Integration Hub, Spokes, MID Server, and payload handling (JSON/XML). Experience supporting and developing ServiceNow mobile apps. Remote | 6 Month Contract | £44.25 Per hour If you are a ServiceNow expert looking ...

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 ...

Solutions Architect, Legal Technology

Hiring Organisation
Brimstone Consulting
Location
City of London, London, United Kingdom
Employment Type
Permanent
solutions meet security, compliance, and governance requirements Contribute to solution scoping, costing, and technical decision-making Skills & Experience Strong experience with API integrations (REST, JSON, OAuth, event-driven architecture) Background in cloud ecosystems (e.g. Microsoft 365, Azure or similar) Experience with workflow automation tools (e.g. Power Automate, Logic Apps ...