Contract JSON Jobs in London

17 of 17 Contract JSON Jobs in London

Fullstack Engineer Financial Services

London, South East, England, United Kingdom
Become
in Agile ceremonies, code reviews, and continuous improvement efforts. Frontend: Angular (preferred), React, TypeScript, HTML5, CSS3, SASS RxJS, NgRx, Jasmine, Karma, Cypress Backend: Java (17+), Spring Boot REST APIs, JSON, OAuth 2.0 DevOps & Cloud: Azure (preferred), AWS (beneficial) Docker, Kubernetes, Terraform CI/CD with GitHub Actions, Azure DevOps Databases & Messaging: PostgreSQL, Oracle, MongoDB (optional) Kafka, Redis (for messaging and More ❯
Employment Type: Contractor
Rate: £450 - £500 per day
Posted:

Power Apps Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Morgan Law
/Zellis (HR and payroll) or similar finance/HR systems via REST or OData APIs Proficient in Power Fx, JavaScript/TypeScript, .NET C#, T-SQL, DAX and JSON Experience with Azure Functions, Logic Apps, Service Bus, API Management and DevOps pipelines More ❯
Employment Type: Contractor
Rate: £550 - £650 per day
Posted:

Data Architect - Snowflake, Databricks, DBT, SQL

London, South East, England, United Kingdom
Sanderson
stakeholder influence skills. Practical experience with a major cloud platform (AWS, Azure, or GCP). Hands-on experience with Snowflake and dbt. Familiarity with varied data formats including CSV, JSON, and XML. Deep understanding of data modelling and data architecture principles. Any domain experience with the data for loyalty, travel (airline, hotels, cruises) or finance systems is beneficial. Reasonable Adjustments More ❯
Employment Type: Contractor
Rate: £550 - £650 per day
Posted:

Software Engineer

London, South East, England, United Kingdom
Lorien
ZOS Connect EE, DB2 Rest, and CICS web services. Utilize development tools such as FileAid, Xpeditor, IBM Explorer for ZOS API, and Visual Studio. Work with SOAP, WSDL, and JSON for web services development. Manage code repositories, bug tracking tools, and wikis using Gitlab, Endevor, JIRA, and Confluence. Implement DevOps and Agile methodologies, including CI/CD practices with Jenkins. More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

ETL Developer

London, Coleman Street, United Kingdom
Deerfoot Recruitment Solutions Limited
RESTful APIs. Experience working with infrastructure data (e.g., Nutanix, VMware, Dell EMC desirable). Scripting experience in Python, SQL (T-SQL), Excel VBA. Knowledge of data optimisation, large datasets, JSON/XML formats. Experience of setting up SQL DTSS and Control/M batch jobs useful Excellent communication, analytical, and problem-solving skills. Desirable: Experience in financial services or regulated More ❯
Employment Type: Contract
Posted:

Software Developer - Full Stack (C++ & Angular)

Hounslow, London, United Kingdom
Deerfoot Recruitment Solutions
development. Expert in C++11 or later , with a strong grasp of memory management, OOP, and concurrency. Skilled in AngularJS , HTML/CSS , and JavaScript . Experience with REST APIs , JSON, and version control (Git). Solid understanding of Agile frameworks (Kanban, Scrum). Why Join Us? Work on industry-defining self-service technologies Collaborate with top-tier engineers in a More ❯
Employment Type: Contract
Rate: Up to £380 per day
Posted:

Software Developer - Full Stack (C++ & Angular)

Hounslow, London, Heathrow, United Kingdom
Deerfoot Recruitment Solutions Limited
development. Expert in C++11 or later , with a strong grasp of memory management, OOP, and concurrency. Skilled in AngularJS , HTML/CSS , and JavaScript . Experience with REST APIs , JSON, and version control (Git). Solid understanding of Agile frameworks (Kanban, Scrum). Why Join Us? Work on industry-defining self-service technologies Collaborate with top-tier engineers in a More ❯
Employment Type: Contract
Rate: £380/day
Posted:

Software Developer - Full Stack C++ & Angular

Hounslow, Middlesex, England, United Kingdom
Deerfoot Recruitment Solutions Ltd
development. Expert in C++11 or later , with a strong grasp of memory management, OOP, and concurrency. Skilled in AngularJS , HTML/CSS , and JavaScript . Experience with REST APIs , JSON, and version control (Git). Solid understanding of Agile frameworks (Kanban, Scrum). Why Join Us? Work on industry-defining self-service technologies Collaborate with top-tier engineers in a More ❯
Employment Type: Contractor
Rate: £350 - £380 per day
Posted:

Software Developer - Full Stack C++ & Angular

London Heathrow Airport, Hounslow, Middlesex, England, United Kingdom
Deerfoot Recruitment Solutions Ltd
development. Expert in C++11 or later , with a strong grasp of memory management, OOP, and concurrency. Skilled in AngularJS , HTML/CSS , and JavaScript . Experience with REST APIs , JSON, and version control (Git). Solid understanding of Agile frameworks (Kanban, Scrum). Why Join Us? Work on industry-defining self-service technologies Collaborate with top-tier engineers in a More ❯
Employment Type: Contractor
Rate: £380 per day
Posted:

ETL Developer

London, South East, England, United Kingdom
Proactive Appointments
experience working with infrastructure data sources such as: Nutanix Prism Central VMware vCenter Dell EMC Unisphere OpManager Working knowledge of: Python (for data analysis/trending) Excel VBA (2019+) JSON, XML , and other data interchange formats Experience addressing data quality issues (especially related to time-series data). Familiarity with SQL DTSS , Control-M , and writing SQL control parameters is More ❯
Employment Type: Contractor
Rate: £500 - £540 per day
Posted:

Azure Logic Apps Developer

London, United Kingdom
Innovative Tech People
on experience with Dynamics 365 Customer Engagement (D365 CE), including entity customisation and integration. Proficiency in Power Automate, Dataverse, and Common Data Service (CDS). Familiarity with REST APIs, JSON, and OData. Experience with Azure services such as Azure Functions, Service Bus, and Key Vault is a plus. Strong problem-solving skills and attention to detail. Preferred Qualifications: Microsoft certifications More ❯
Employment Type: Contract
Rate: £300 - £475/day
Posted:

SOAR Engineer/Analyst (Google SecOps)

City of London, London, England, United Kingdom
Gibbs Hybrid
Resilient). Strong familiarity with: Google SecOps/Chronicle Darktrace (AI-based threat detection) CrowdStrike Falcon platform Scripting experience in Python, PowerShell, or Bash. Experience with REST APIs and JSON for tool integration. Working knowledge of incident response frameworks and MITRE ATT&CK. Strong problem-solving, critical thinking, and communication skills. Desirable Qualifications Experience with CI/CD for playbook More ❯
Employment Type: Contractor
Rate: £450 - £495 per day
Posted:

Cloud Data Engineer

London, United Kingdom
Pontoon
best practices. Bonus Points For Workflow orchestration tools like Airflow. Working knowledge of Kafka and Kafka Connect. Experience with Delta Lake and lakehouse architectures. Proficiency in data serialization formats: JSON, XML, PARQUET, YAML. Cloud-based data services experience. Ready to build the future of data? If you're a collaborative, forward-thinking engineer who wants to work on meaningful, complex More ❯
Employment Type: Contract
Rate: £95000 - £100000/annum Holiday, Pension, Benefits
Posted:

Cloud Data Engineer

London, South East, England, United Kingdom
Pontoon
best practices. Bonus Points For Workflow orchestration tools like Airflow. Working knowledge of Kafka and Kafka Connect. Experience with Delta Lake and lakehouse architectures. Proficiency in data serialization formats: JSON, XML, PARQUET, YAML. Cloud-based data services experience. Ready to build the future of data? If you're a collaborative, forward-thinking engineer who wants to work on meaningful, complex More ❯
Employment Type: Contractor
Rate: £95,000 - £100,000 per annum
Posted:

Data Architect

London, United Kingdom
Osirian Consulting
at this consultancy, continuing work on some data foundation layers for a mobile App. The App will use real-time transport data you will need to have: Azure XML JSON a nice to have is: SIRI Data Standard format Mentz Previous transportation experience would be nice but not imperative Osirian Consulting is committed to working with our clients to promote More ❯
Employment Type: Contract
Rate: £550/day INSIDE IR35
Posted:

AI Prompt engineer

London, South East, England, United Kingdom
Opus Recruitment Solutions Ltd
help) Collaborating with product, design, and clinical teams to ship real features What You’ll Bring Experience with LLMs and prompt engineering (OpenAI, Anthropic, etc.) Familiarity with structured (SQL, JSON, CSV) and unstructured data Exposure to vector stores and retrieval-augmented generation (RAG) Strong Python skills and comfort working with APIs and data pipelines Bonus: experience in healthcare, accessibility, multilingual More ❯
Employment Type: Contractor
Rate: £200 - £450 per day
Posted:

AI Prompt engineer

London, United Kingdom
Hybrid / WFH Options
Opus Recruitment Solutions Ltd
help) Collaborating with product, design, and clinical teams to ship real features What You'll Bring Experience with LLMs and prompt engineering (OpenAI, Anthropic, etc.) Familiarity with structured (SQL, JSON, CSV) and unstructured data Exposure to vector stores and retrieval-augmented generation (RAG) Strong Python skills and comfort working with APIs and data pipelines Bonus: experience in healthcare, accessibility, multilingual More ❯
Employment Type: Contract
Rate: GBP 200 - 450 Daily
Posted:
JSON
London
10th Percentile
£400
25th Percentile
£460
Median
£573
75th Percentile
£615
90th Percentile
£750