51 to 75 of 191 JSON Jobs in London

Sr Technical Consultant - Paradox

Location
Greater London, England, United Kingdom
testing tools such as Postman or SoapUI. Demonstrated experience managing multiple concurrent client project engagements. Deep experience working with API technologies, specifically REST, SOAP, JSON, and XML across the full API lifecycle. Other Qualifications Experience with Workday integrations, including Workday Studio, Workday Orchestrate, Core Connectors, EIBs, web services, PECI/ ...

Software Engineer - Data, Lakehouse and AI Data Platform Engineer - Analyst/Associate - London

Location
Greater 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 . For More Experienced Candidates Stronger ownership of technical design across multiple datasets or pipeline domains. Experience guiding implementation standards, code quality ...

Application Support Engineer – DV – 11864JS

Location
Greater London, England, United Kingdom
Gloucester. Application Support Engineer – Key Skills: Must hold a live UKIC DV Understanding of networking and software architectures Understanding of structured text formats: JSON, XML, CSV The below skills are nice to have: Exposure to programming languages such as Java, JavaScript, Python, and Go API definitions: Swagger/Open ...

Power Platform Engineer

Location
City Of London, England, United Kingdom
Context Protocol, Agent‐to‐Agent and LLM selection (advantage). Software development experience, including proficiency in one or more of the following: Python, JavaScript, JSON, React and related scripting, .NET technologies (C#, ASP.NET), REST services, and PowerShell. Desirable: experience with Power Pages. EU Characteristics that can spell success for this ...

full stack developer network automation

Location
Greater London, England, United Kingdom
message brokers, version control, authentication, and authorization controls; Extensive experience communicating with other systems via RESTful APIs; Solid experience with web data formats including JSON and XML; Familiarity with front-end web development using HTML, Bootstrap, CSS, JavaScript, and React; Working knowledge of Agile software development and the Scrum framework ...

Lead Tester

Location
Greater London, England, United Kingdom
Additional skills & experience Experience in Python, Data Testing or .NET.Experience in testing Event or Message buses of test data, batches and pipelines (e.g., YAML, JSON or XML file configuration). Bash and Powershell scripting. Experience in performance, stress and securitytesting. JD: Lead tester - June 2026 There's really no such ...

Certificate Lifecycle Management SME - Keyfactor/Venafi

Hiring Organisation
Hays Specialist Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 700 Daily
highly regulated Banking/Financial Services industry (or equivalent). Scripting and Automation experience using PowerShell, Python or Bash. Working knowledge of REST APIs, JSON, OAuth/service authentication and secure automation patterns. Familiarity with Infrastructure as Code (IaC) and configuration automation, Terraform/Ansible, CI/CD platforms ...

PKI Security Engineer - CLM, Cryptography, PQC

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£700.00 per day
highly regulated Banking/Financial Services industry (or equivalent). Scripting and Automation experience using PowerShell, Python or Bash. Working knowledge of REST APIs, JSON, OAuth/service authentication and secure automation patterns. Familiarity with Infrastructure as Code (IaC) and configuration automation, Terraform/Ansible, CI/CD platforms ...

Certificate Lifecycle Management SME - Keyfactor / Venafi

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£700.00 per day
highly regulated Banking/Financial Services industry (or equivalent). Scripting and Automation experience using PowerShell, Python or Bash. Working knowledge of REST APIs, JSON, OAuth/service authentication and secure automation patterns. Familiarity with Infrastructure as Code (IaC) and configuration automation, Terraform/Ansible, CI/CD platforms ...

AI Engineer Python LLM

Location
Greater London, England, United Kingdom
testing and deployment You have experience building AI agents or automating business processes using agentic technology You have experience of working with and creating JSON based REST APIs You're keen to work in a start-up environment You have excellent communication and collaboration skills You are a passionate technologist ...

PRINCIPAL SECURITY ENGINEER - UP TO £900 (OUTSIDE IR35) CONTRACT

Hiring Organisation
Secure Recruitment Ltd
Location
North London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £900 per day
North-South Traffic; Application Communication Flows; Cloud Networking; Network Telemetry & Packet-Level Investigation. Automation & Engineering Skills acrossPython, PowerShell (or comparable Scripting Languages); REST APIs; JSON/YAML; Git (or comparable Source-Control Platforms; Infrastructure-as-Code (Terraform or equivalent); CI/CD Tooling; Automated Configuration Management; Configuration Testing & Validation; Security ...

Data and Systems Specialist

Location
Greater London, England, United Kingdom
acceptance testing and change management.* Experience using Power BI or SQL for reporting and data analysis.* Understanding of system integrations, APIs and XML or JSON data formats.**Additional Information**We are looking for someone who is approachable, proactive and committed to helping colleagues get the best from Total Mobile. ...

Technical Trade Surveillance Implementation Lead

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Data governance frameworks Data lineage and controls Experience integrating complex data sources into surveillance or compliance platforms. Technical Skills Strong understanding of: SQL APIs JSON XML Event-driven architecture Message bus technologies Data modelling Database design ETL and integration frameworks Single Sign-On integration Knowledge of the following would ...

Senior AI Engineer - Agentic AI

Location
Greater London, England, United Kingdom
experience (Azure preferred), using services such as Azure OpenAI, AI Foundry or AI Search, with Docker and Kubernetes Understanding of schema validation frameworks (e.g., JSON Schema, Pydantic) and MLOps tools such as MLflow or Airflow Strong communication ability to explain trade-offs around cost, latency and accuracy to technical ...

Marketing Technology Manager

Location
Greater London, England, United Kingdom
flows and event-driven decision-making in marketing platforms Familiarity with common platform integration methods (website tag managers, API authentication, retry/error handling, JSON, webhooks) Ability to interpret and edit JavaScript/Python code, and comfort articulating and discussing technical requests to engineers Familiarity working with or around ...

Senior Machine Learning Engineer

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
natural language processing (NLP), semantic summarisation, and graph-based data structures (Graph DBs, vector embeddings, network analysis). Understanding of data serialization formats (Protobuf, JSON, XML) and streaming analytics. Desirable/Bonus Qualifications Experience integrating ML runtimes into Android ART (via Chaquopy, JNI, or native C++ libraries). Background ...

Sr Integration Consultant - Workday Success Plans

Location
Greater London, England, United Kingdom
Cloud Connect for Financials and Workday Studio for HCM and Financials. Proficiency with web service technologies with REST & SOAP based web services, JSON, XML and XSLT. Fluency in English and another language either French, Spanish, Italian or German. Additional Qualifications Workday Certification or ability to certify in: Integrations, Studio. Experience ...

Technical Lead / Junior Solutions Architect

Location
Greater London, England, United Kingdom
JavaScript, CSS, and markup languages* Proficiency in web-programming tools such as ASP, .NET, PHP, C#, or Java* Experience with REST-based APIs using JSON and web services* Experience integrating with Identity Access Providers (Okta preferred)* Knowledge of containerisation principles and reference architecture* Experience developing scalable web and mobile solutions ...

C++ Developer

Location
Hounslow, England, United Kingdom
data structures and problem solving Good to Have Knowledge of REST APIs creation with C++ with Yaml and Swagger Experience with state machines JSON and XML parsing with C++ librarie #J-18808-Ljbffr ...

QA Automation Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 per annum
Kotlin Experience with API testing using tools such as Rest Assured or Postman UI automation experience using Selenium, Playwright, or similar Strong understanding of JSON, XML, APIs, and backend testing Experience building automation frameworks and strategies Familiarity with Jira and CI/CD environments Active use of AI tools within ...

AI Solutions Engineer

Hiring Organisation
Hays Technology
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum Up to 70k
with genuine visibility across the organisation. You'll be working with technologies including Copilot Studio, Microsoft 365, Dynamics 365 and Azure, alongside REST APIs, JSON and scripting languages such as Python, PowerShell or JavaScript. There is also a significant applied AI element, including building and refining AI agents, working with ...

platform engineer for AI data platforms

Location
Greater London, England, United Kingdom
building or supporting production data pipelines in a collaborative engineering environment Experience with distributed data processing frameworks such as Apache Spark Working knowledge of JSON, Avro and Parquet Nice to have: technical design ownership across multiple datasets or pipeline domains, experience guiding implementation standards and engineering practices, ability to lead ...

Unit4 ERP Technical Developer

Location
Greater London, England, United Kingdom
CS15, LG04) using XML and fixed‐length fields. Knowledge of AG16 and ASQL. Experience working with Unit4 REST and SOAP web services. Skilled in JSON and XML. Familiarity with Visual Basic (highly desirable). Ability to explain technical solutions to non‐technical audiences. Strong relationship‐building skills with clients ...

Solutions Architect

Location
London Borough of Harrow, England, United Kingdom
years of experience in a development role, preferably in a customer-facing capacity. Strong technical background with a deep understanding of RESTful APIs, JSON data structures, and front-end technologies like HTML. Hands-on experience with Microsoft ecosystem applications like Sharepoint, O365, MS Teams, Viva Engage and APIs. Experience managing ...

IBM Netcool / Observability Technical Lead

Hiring Organisation
Deerfoot Recruitment Solutions
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£780 - £830 per day
communication and stakeholder management with both technical and non-technical audiences Desirable: IBM Tivoli Monitoring (ITM), Dynatrace, IBM Instana or OpenTelemetry, REST APIs/JSON/XML, cloud monitoring across AWS, Azure or GCP, container and Kubernetes monitoring, SRE practices, financial services or regulated environment experience, and leading technical improvement ...