1 to 25 of 226 JSON Jobs in London

Salesforce Marketing Cloud Next and Data 360 Developer

Location
Greater London, England, United Kingdom
triggers, personalisation, consent and preference management. • You’ll have experience writing and troubleshooting SQL queries and working with structured data formats such as CSV, JSON and XML. • You’ll have experience integrating systems using REST APIs, SOAP APIs, file-based interfaces, middleware solutions, connectors or event-driven approaches. ...

Senior Data Engineer

Hiring Organisation
Jacobs
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
services, including Java-based microservices where required Prepare, transform and validate structured and semi-structured data, including formats such as parquet, avro and JSON Write efficient SQL to query, validate and optimise data across cloud-based analytical platforms such as Athena, Redshift and Azure Synapse Build scalable data processing solutions ...

Software Developer | Capital Markets

Location
Greater London, England, United Kingdom
Linux Tools/Technologies/Infra : NodeJS, cloud/AWS, RabbitMQ, AMQ, Mongo, Bitbucket (Git), SQL/Server, Jira Design : API, HTTP/REST, JSON, micro-services and distributed systems SDLC : Agile, Scrum, Kanban, DevOps, CI/CD, Automation First, BDD/TDD, DORA. Understanding of, and advocacy for, Agentic ...

Senior Data & Analytics Consultant

Location
Greater London, England, United Kingdom
data manipulation and querying Familiarity with relational databases such as SQL Server, Oracle Understanding of various data formats, including CSV, JSON, and XML Experience with cloud platforms, particularly Azure or AWS Strong storytelling and data visualisation skills, including scoping, designing, and delivering engaging client-facing insights using PowerPoint and sustainable ...

Data Engineer

Hiring Organisation
Jacobs
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
services, including Java-based microservices where required Prepare, transform and validate structured and semi-structured data, including formats such as parquet, avro and JSON Write efficient SQL to query, validate and optimise data across cloud-based analytical platforms such as Athena, Redshift and Azure Synapse Build scalable data processing solutions ...

QA Automation Engineer / Consultant

Location
Greater London, England, United Kingdom
Serenity BDD, Cucumber/Gherkin, Selenium WebDriver and REST Assured, supported by frameworks such as JUnit and AssertJ. Strong understanding of HTTP, REST APIs, JSON, authentication, validation and error handling. Experience testing distributed or microservice-based applications, including asynchronous processing and messaging. Ability to verify complete business workflows across service ...

Integration Developer

Hiring Organisation
GCS
Location
Enfield, London, Enfield Town, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700/day
Strong SQL and T-SQL development skills. Experience designing and supporting ETL solutions. Hands-on experience with REST and SOAP integrations. Strong knowledge of: JSON XML Data Mapping Data Transformation API Integrations Experience troubleshooting and supporting production integration services. Experience working within Agile delivery environments. Desirable Skills MuleSoft Dell Boomi ...

Java Developer

Hiring Organisation
scrumconnect ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 Annual
Familiarity with relational databases such as MySQL, Oracle or PostgreSQL, and experience writing SQL queries. APIs and web services: Strong understanding of RESTful APIs, JSON and XML. Version control: Experience with Git or similar. Problem-solving: Strong analytical and critical thinking skills. Communication: Excellent verbal and written communication. Teamwork: Able ...

Java Developer ( SC Eligible/ SC Cleared )

Location
Greater London, England, United Kingdom
Familiarity with relational databases such as MySQL, Oracle, or PostgreSQL, and experience writing SQL queries. APIs and web services: Strong understanding of RESTful APIs, JSON, and XML. Version control: Experience with Git or similar. Problem‐solving: Strong analytical and critical thinking skills. Communication: Excellent verbal and written communication. Teamwork: Able ...

Senior QA Automation Engineer

Location
City Of London, England, United Kingdom
including test planning and automation. Expert experience with JavaScript or TypeScript and Cypress for front-end testing. Strong knowledge of REST/SOAP APIs, JSON, XML. Proficient in tools like JIRA, Postman, ReadyAPI, or JMeter. Experience with SDLC, QA methodologies, and scripting (Python, etc.). Excellent communication and organizational skills. ...

Senior Microsoft Power Platform and AI Developer

Hiring Organisation
Methods Consulting
Location
London, UK
Employment Type
Full-time
tools, or equivalent tool-based agent integration patterns, including troubleshooting identity, permissions and data flow. Strong API and integration skills, including REST/JSON, custom connectors, OAuth 2.0, Microsoft Entra ID and secure secrets management. Pro-code engineering capability in one or more languages such as TypeScript/JavaScript, C# ...

Senior Microsoft Power Platform and AI Developer

Location
Greater London, England, United Kingdom
servers and tools, or equivalent tool-based agent integration patterns, including troubleshooting identity,permissionsand data flow. Strong API and integration skills, including REST/JSON, custom connectors, OAuth 2.0, Microsoft EntraIDand securesecretsmanagement. Pro-code engineering capability in one or more languages such as TypeScript/JavaScript,C#or Python, with experience ...

Lead Developer- C#

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
MSMQ or RabbitMQ Experience of web technologies including HTML, CSS, JavaScript, jQuery and web client frameworks such as Knockout.js or Angular Experience of XML, JSON and related like schemas and XSLT transformations Experience of T-SQL for Microsoft SQL Server (2012 or higherThis role is for candidates who are looking ...

Full Stack Software Engineer

Hiring Organisation
Acacia Green Technologies
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
pragmatically, balancing service independence with operational simplicity and reliable data flows. Integrate IoT devices and building systems using MQTT, Modbus or Modbus TCP, HTTPS, JSON and vendor APIs; diagnose failures across software, network and device boundaries. Contribute to React.js frontends using JavaScript or TypeScript, HTML, CSS and appropriate state management ...

Full Stack Software Engineer

Hiring Organisation
Acacia Green Technologies
Location
EC2M, Broad Street, Greater London, United Kingdom
Employment Type
Permanent
pragmatically, balancing service independence with operational simplicity and reliable data flows. Integrate IoT devices and building systems using MQTT, Modbus or Modbus TCP, HTTPS, JSON and vendor APIs; diagnose failures across software, network and device boundaries. Contribute to React.js frontends using JavaScript or TypeScript, HTML, CSS and appropriate state management ...

Copilot Application Developer – City of London

Location
City Of London, England, United Kingdom
experience with Power Apps and Power Automate. Experience or exposure to Copilot Studio, AI Agents, or Microsoft AI technologies. Knowledge of Dataverse, Power FX, JSON, JavaScript, and API integrations. Familiarity with Microsoft 365 and Azure environments. Strong problem-solving and analytical skills. Excellent communication skills and the ability to work ...

Software Engineer

Location
Greater London, England, United Kingdom
Awareness of clean coding and SOLID principles.* Exposure to AWS cloud services.* Experience with JUnit or other testing tools.* Basic knowledge of XML/JSON data formats and Unix shell scripting.* Familiarity with version control and build tools like Git, Maven, Jenkins.**Behavioural Competencies*** Collaborative team member eager to support ...

Software Engineer

Location
Greater London, England, United Kingdom
Awareness of clean coding and SOLID principles.* Exposure to AWS cloud services.* Experience with JUnit or other testing tools.* Basic knowledge of XML/JSON data formats and Unix shell scripting.* Familiarity with version control and build tools like Git, Maven, Jenkins.**Behavioural Competencies*** Collaborative team member eager to support ...

Software Engineer

Location
City of Westminster, England, United Kingdom
Awareness of clean coding and SOLID principles. Exposure to AWS cloud services. Experience with JUnit or other testing tools. Basic knowledge of XML/JSON data formats and Unix shell scripting. Familiarity with version control and build tools like Git, Maven, Jenkins. Behavioural Competencies Collaborative team member eager to support ...

Senior DevOps Engineer

Location
Greater London, England, United Kingdom
with Terraform Experience with Github or any other source control Knowledge of Scripting/Coding languages - Go, Bash, Python Confident working with Yaml and Json files Any CI/CD tool (CircleCI, ArgoCD Preferred) Systems integration across Cloud providers Experience with AWS databases , RDS, DynamoDB, DocumentDB - but not necessarily ...

Technical Support Engineer

Location
Greater London, England, United Kingdom
programming languages: Python, Java, php, C#, Java Script or shell scripting Familiarity with Web Technologies, HTTP and HTTPS Experience with REST, JSON, SOAP Experience with SQL Familiarity with Splunk, Grafana Experience in e-commerce, payment, fin-tech industry is a plus Equal opportunity Airwallex is proud to be an equal ...

Java Developer

Hiring Organisation
Hastings Direct
Location
London, UK
Employment Type
Full-time
level applications. Experience of Java/JVM/Spring based languages Object oriented analysis and design Source Management software such as GitHub SOAP, REST, JSON, XMLJSON & XML; HTML; CSS and JavaScript Knowledge of a Test driven approach including exposure to either TDD or BDD would be an advantage Desirable Experience ...

Senior Data Engineer

Location
City Of London, England, United Kingdom
Cloud providers such as AWS, Azure or GCP. Solid experience working with Snowflake and dbt. Strong experience working with different data formats, e.g., CSV, JSON and XML. Expert knowledge in building reliable and scalable Data Pipelines. Deep experience working in an Agile Environment. Proficiency in Test‐Driven Development ...

Boomi Architect

Location
City of Westminster, England, United Kingdom
with business, architecture & delivery stakeholders. Support modernization, migration & presales activities. Required Skills Dell Boomi AtomSphere, API Management, Boomi Flow REST/SOAP Services, XML, JSON, SQL B2B/EDI MFT Integrations Integration Patterns and Enterprise Architecture OAuth, SAML, JWT, Security Best Practices CI/CD, DevOps Cloud Platforms (AWS, Azure ...