1 to 25 of 53 Permanent JSON Jobs in London

Interface Developer

Hiring Organisation
Coforge
Location
City of London, London, United Kingdom
with IBM MQ (configuration, troubleshooting, performance tuning) Strong experience building microservices and RESTful APIs Knowledge of message formats and data transformation (XML, XSD, XSLT, JSON) Experience with SQL databases and ORM frameworks Familiarity with CI/CD pipelines (e.g., TeamCity, Git-based workflows) Comfortable working in Linux environments (bash ...

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 ...

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 ...

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 ...

Integration Engineer

Hiring Organisation
Intec Select
Location
London Area, United Kingdom
technologies, and file-based integrations. Strong knowledge of Azure Integration Services including Service Bus, Logic Apps, Event Grid, and API Management. Experience working with JSON, XML, OData, and data transformation techniques. Ability to create technical specifications, interface designs, and support documentation. Desirable: Development experience with C# and .NET technologies. Experience ...

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 Java Engineer (AI-Augmented Delivery)

Hiring Organisation
Salt
Location
London Area, United Kingdom
design skills in technologies such as Oracle Splunk DevOps principles, processes and tooling IBM MQ Messaging Standards, for example ISO 15022, ISO 20022 and JSON Working in Financial Market Infrastructure and/or Regulated environments ...

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 ...

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. ...

Data Engineer

Hiring Organisation
Finalto
Location
London Area, United Kingdom
cloud platforms (AWS, Azure, or GCP) Experience with Terraform or similar infrastructure-as-code tools Experience working with structured and semi-structured data (e.g. JSON) Familiarity with CI/CD, modular development, and code documentation Strong communication skills and ability to work independently with a high level of ownership Desired ...

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 ...

Technical Product Manager - Post-Trade Platforms

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

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 Solution Architect

Hiring Organisation
Aptimized
Location
London Area, United Kingdom
Integration Hub Access Control Lists (ACLs) and security policies ServiceNow AI/Now Assist capabilities Strong proficiency in JavaScript within ServiceNow Experience with JSON and XML integrations Hands-on experience with: ServiceNow Table API and Scripted APIs UI Builder and/or mobile app development Additional Requirements Excellent written ...

Senior Python Developer (Networking)

Hiring Organisation
Stanford Black Limited
Location
London Area, United Kingdom
building production-grade tools and services Go experience preferred for high-performance tooling Strong Ansible expertise and familiarity with structured data models (YAML/JSON) Solid Git workflows including branching, pull requests, and versioning Observability experience (Prometheus, Grafana, logging, tracing) Familiarity with source-of-truth platforms such as NetBox ...

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 ...

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 ...

CyberArk & SOx Consultant/ Fully Remote/ 6 Month Contract

Hiring Organisation
Cloud Bridge Tech Recruitment
Location
East London, London, United Kingdom
controlled or audit-regulated environments Experience reviewing privileged access across: Oracle Solaris (hardware & OS, including patching) Linux operating systems Oracle databases PL/SQL JSON/XML Strong analytical and investigative mindset High attention to detail and documentation accuracy Ability to interpret release notes, change records, and technical documentation Excellent ...