1 to 25 of 48 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 ...

Dotnet Developer

Hiring Organisation
LanceSoft UK
Location
City of London, London, United Kingdom
C# and .NET (.NET Core/.NET) Excellent Object Oriented Programming (OOP) skills and design principles Proven experience designing and implementing APIs (REST/JSON) Solid understanding of application architecture, performance, and scalability Experience with SQL databases (e.g. SQL Server) Familiarity with unit testing, integration testing, and CI/ ...

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 Architect

Hiring Organisation
INTEC SELECT LIMITED
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
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 ...

AWS Databricks Engineer

Hiring Organisation
Capgemini
Location
London Area, United Kingdom
Experience in building ETL/ELT pipelines for batch and near-real-time data processing. Experience with data formats such as Parquet, Avro, ORC, JSON, and CSV. Good understanding of data modelling, data warehousing, and dimensional modelling concepts. Experience with data validation, reconciliation, data quality, audit, and logging frameworks. Experience ...

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 ...

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 Data Modelling Consultant

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
with financial reference models such as fpML, FIX, or FIBO Skilled in data model documentation, stakeholder engagement, and metadata practices Understanding of RDBMS, UML, JSON/XML schemas, and project lifecycles (Agile preferred) Bonus Points For Hands-on experience with data modelling tools such as Erwin, Sparx, Visual Paradigm Experience ...

Senior AI Security & Automation Engineer

Hiring Organisation
WTW
Location
Greater London, United Kingdom
Employment Type
Full Time
similar frameworks. Deep understanding of cybersecurity domains, including incident response, threat detection, and Identity and Access Management (IAM) principles. Experience with RESTful APIs, JSON, and integrating various security platforms. Familiarity with cloud platforms and cloud-native security services. Knowledge of Microsoft Security products such as Microsoft Sentinel, Microsoft Defender ...

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. ...

Pre-Sales Technical Architect for SaaS Integrations

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 ...

Contract Senior RPG Engineer

Hiring Organisation
Spectrum IT Recruitment
Location
London, UK
Employment Type
Full-time
application life cycle Experience developing and maintaining 5250 based business applications Ability to design and build integrations using REST APIs Experience working with JSON and XML data formats Desirable: Good SQL knowledge, including embedded SQL within RPG Experience with DDL and modern database design approaches Exposure to web development concepts ...