1 to 25 of 50 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 ...

Boomi Integration Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Skills & Experience Technical Skills Strong hands‐on experience with Boomi AtomSphere. Expertise in API Management, REST, SOAP, GraphQL, and microservices architectures. Experience with XML, JSON, XSLT, data mapping, and transformation. Knowledge of enterprise integration patterns and middleware technologies. Experience integrating ERP, CRM, HR, and SaaS platforms (e.g., Salesforce, SAP, Oracle ...

Technical Power Platform Consultant

Hiring Organisation
Mphasis
Location
City of London, Greater London, UK
Experience with Power BI, DAX, Power Query, and data modeling. Knowledge of SharePoint, Microsoft Teams, Azure Logic Apps, and Microsoft 365 ecosystem. Experience with JSON, REST APIs, and scripting (e.g., PowerShell or JavaScript). Familiarity with Agile methodologies and DevOps practices. Excellent problem-solving, communication, and interpersonal skills. Preferred Qualifications ...

UI Engineer

Hiring Organisation
McCabe & Barton
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
integrations from third-party systems using APIs connected to back-office systems. Build and maintain web applications to support business processes (C#, Razor, ASP.NET, JSON, Redis Cache, Microservices). Technical Skills & Experience 5+ years of professional experience in .NET-based front-end development. 5+ years of hands-on expertise ...

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 ...

Senior Technical Lead

Hiring Organisation
Nextech
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £90,000 per annum
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 ...

Python Automation Engineer

Hiring Organisation
Tata Consultancy Services
Location
London Area, United Kingdom
skills/knowledge/experience: Strong hands‐on experience with Python for test automation Proven experience using PyTest framework Experience in API automation (REST, JSON, Postman/Newman, requests, etc.) Good understanding of test design techniques, test data management, and reporting Experience with CI/CD tools such as Jenkins ...

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 ...

Integration Developer

Hiring Organisation
Southern Housing
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
using Boomi, Azure Integration Services, or similar platforms. Strong understanding of integration patterns, web services, and API-based architecture. Working knowledge of SQL, XML, JSON, JavaScript, Python, FTP, and data integration concepts. Experience or working knowledge of Microsoft Fabric, Logic Apps, Azure Functions, and CRM platforms such as Microsoft Dynamics. ...

Senior Technical Consultant - ServiceNow

Hiring Organisation
COMPUTACENTER (UK) LIMITED
Location
South East London, London, United Kingdom
Employment Type
Permanent
ServiceNow platform, including functionality, database structure, developer APIs, and development tools. Proficient in Web Technologies (e.g., JavaScript, SOAP/REST web services, XML & JSON). An open and friendly personality with strong customer-facing skills in both a virtual and face to face setting (including the ability to deliver presentations ...

Senior Workday Extend Architect - Remote UK

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
4+ years of Human Resource, Payroll, Financials, Supply Chain, or Student domain experience## ## ****Other Qualifications***** Extensive knowledge of web service technologies (REST, SOAP, JSON, XML) and authentication and authorization methods (OAuth, JWT, WS-Security, SAML, X.509, etc.)* Excellent Presentation Skills* Superb communication capability* Ability to explain technical concepts ...

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 ...

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. ...

Technical Product Manager

Hiring Organisation
City Elite Transaction Services Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 per annum
agile scrum team Familiarity with financial asset classes and the trading lifecycle Exposure to SQL and object-oriented languages Understanding of XML, FIX, JSON or other messaging formats and protocols Benefits Comprehensive health and wellness coverage Generous annual leave Continuous learning and development resources Competitive salary, retirement planning and financial ...

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 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 ...

Software Engineer

Hiring Organisation
Scalian
Location
Hounslow, Greater London, UK
management, concurrency, and object-oriented design . Hands-on experience with AngularJS and front-end development ( HTML, CSS, JavaScript ). Familiarity with REST APIs , JSON , and web service integration . Experience working in software maintenance/support roles with bug fixing and system enhancements. Strong debugging and problem-solving skills ...

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. ...

Senior Data Scientist

Hiring Organisation
Depixen
Location
City of London, London, United Kingdom
Computer Science, AI, Data Science, Machine Learning, NLP, Semantic Web, Knowledge Graphs, or a related field. Experience with RDF, OWL, SPARQL, SHACL, SKOS, JSON-LD, schema.org, ontologies, taxonomies, or Linked Data. Experience with graph databases or triple stores such as GraphDB, Stardog, Neo4j, Amazon Neptune, or Blazegraph. Experience with embeddings ...

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 ...

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 ...

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 ...

Professional Services Consultant

Hiring Organisation
LexisNexis Risk Solutions
Location
City of London, London, United Kingdom
meeting timescale requirements Requirements: Experience of implementing & configuring bespoke customer SaaS products Demonstrate knowledge of using REST API for integrating SaaS platforms, familiar with JSON, XML & Webhooks Have financial Crime knowledge/experience as an analyst, investigator or similar in at least one of the below areas; Application Fraud, Transaction ...