Contract API Integration Jobs in the City of London

7 of 7 Contract API Integration Jobs in the City of London

Software Developer

City, London, United Kingdom
Hybrid / WFH Options
VIQU IT
Build and enhance responsive user interfaces using React and TailwindCSS . Contribute to key modules including: Client & Supplier Onboarding Flows Waste Reporting Module Scheduler for Recurring Events Customer Portal API Integration Rebate Management System Ensure seamless data integration between services via secure REST APIs. Deploy, test, and optimise services within the AWS environment. The Full-Stack Developer More ❯
Employment Type: Contract
Rate: GBP 400 - 500 Daily
Posted:

Microsoft Power Platform / Agentic AI Engineer

City of London, London, United Kingdom
cer Financial
or business events. Create Power Apps frontends integrated with GenAI services and enterprise data. Build and manage custom connectors to internal APIs and third-party services. Microsoft 365 & Graph API Integration Enable agents to access and reason over content in: SharePoint, OneDrive, Teams, Outlook, and Planner Architect multi-step agent workflows using: Semantic Kernel SDK (C# or Python … GPT-4, function calling, chat completion) Planner and Kernel Memory APIs for reasoning and memory RAG pipelines grounded in enterprise data via Azure AI Search Enterprise Data & AI Services Integration: Azure AI Search (vector indexing, hybrid search) Azure Form Recognizer for document understanding Azure Language Services for summarization, translation, and NER Deploy solutions using: Azure Kubernetes Service (AKS) or … access control The successful Microsoft Power Platform/Agentic AI Engineer will have experience in: Copilot Studio, Power Automate, Power Apps, custom connectors SharePoint Development Proficiency in Microsoft Graph API, Azure OpenAI, and Semantic Kernel Solid programming skills in Python and/or C# LangChain, AutoGen, or similar orchestration frameworks Azure AI Search, Form Recognizer, and Language Services GitHub More ❯
Employment Type: Contract
Rate: £705 per day £705 per day (via Umbrella)
Posted:

Contract Software Engineers - OO PHP / Laravel / Symfony / AWS

City of London, London, England, United Kingdom
Davies Talent Solutions
The Role You’ll be working on a bespoke claims management platform that supports everything from claim validation to property surveying and repair coordination. The role involves backend development, API integration, and contributing to multiple internal tools and products.You’ll join a collaborative team of developers with a strong peer-review culture. There are no dedicated testers, so More ❯
Employment Type: Contractor
Rate: £350 - £450 per day
Posted:

Jira Implementation Consultant

City of London, London, United Kingdom
Hybrid / WFH Options
Granite Recruitment and Consulting Ltd
Key skills/experience required: Expertise in Jira configuration workflows, permissions, dashboards, filters, automation, and notification schemes# Experience implementing Jira (ideally for engineering or construction organisations) Working knowledge of API integrations and connectors with productivity and design tools (e.g. Teams, Slack, Autodesk, SharePoint) Proven ability to translate complex project processes (design reviews, change control, construction status) into logical digital More ❯
Employment Type: Contract, Work From Home
Rate: From £400 to £500 per day
Posted:

System Tester

City of London, London, United Kingdom
ARM
being replaced with the latest version provided by SmartStream, who acquired the platform in 2017. The upgrade focuses on updating the system?s incoming and outgoing interfaces, ensuring seamless integration and operational continuity. Key Responsibilities: Develop and execute comprehensive system test plans, test cases, and test scripts aligned with the upgrade scope. Validate the incoming and outgoing interfaces of … new SmartStream Algo system, ensuring data integrity and functional accuracy. Collaborate with business analysts, developers, and project managers to understand requirements and translate them into test scenarios. Perform system integration testing (SIT) and support user acceptance testing (UAT) phases. Identify, document, and track defects using standard defect management tools. Participate in test reviews, walkthroughs, and sign-off processes. Ensure … Provide regular status updates and contribute to test reporting and metrics. Required Skills & Experience: Proven experience as a System Test Analyst or similar role in complex system upgrade or integration projects. Strong knowledge of system testing methodologies, tools, and best practices. Experience testing interfaces (inbound/outbound), including file-based and API integrations. Familiarity with test management tools More ❯
Employment Type: Contract
Rate: £485 - £535/day Inside IR35
Posted:

Senior Test Analyst - Collateral Management, Algo

City of London, London, United Kingdom
Harvey Nash
new SmartStream Algo system, ensuring data integrity and functional accuracy. Collaborate with business analysts, developers, and project managers to understand requirements and translate them into test scenarios. Perform system integration testing (SIT) and support user acceptance testing (UAT) phases. Identify, document, and track defects using standard defect management tools. Participate in test reviews, walkthroughs, and sign-off processes. Ensure … updates and contribute to test reporting and metrics. Required Skills & Experience: Technical & Testing Expertise: Proven experience as a System Test Analyst or similar role in complex system upgrade or integration projects. Strong knowledge of system testing methodologies, tools, and best practices. Experience testing interfaces (inbound/outbound), including file-based and API integrations. Familiarity with test management tools More ❯
Employment Type: Contract
Rate: £600 - £640/day
Posted:

Senior Test Analyst

City of London, London, England, United Kingdom
Hybrid / WFH Options
INTEC SELECT LIMITED
join a strategic system upgrade programme within a leading financial services organisation. This role focuses on upgrading the Algo Collateral Management System, ensuring robust interface validation and seamless system integration across key business and technology functions. Role & Responsibilities: Develop and execute detailed test plans, cases, and scripts for the system upgrade. Validate inbound and outbound interfaces, ensuring data integrity … and functional accuracy. Collaborate with business analysts, developers, and project managers to define and test requirements. Conduct System Integration Testing (SIT) and support User Acceptance Testing (UAT). Identify, document, and manage defects using tools such as JIRA. Ensure compliance with internal QA standards and contribute to test reporting and sign-off. Essential Skills & Requirements: Proven experience as a … System or Senior Test Analyst on complex system upgrade or integration projects. Strong knowledge of system testing methodologies and tools. Experience testing interfaces (file-based and API integrations). Proficiency with SQL for data validation and backend testing. Solid understanding of collateral management, settlements, or post-trade processing within financial services. Prior experience with SmartStream or Algo Collateral More ❯
Employment Type: Contractor
Rate: £550 - £640 per day
Posted:
API Integration
the City of London
10th Percentile
£327
25th Percentile
£390
Median
£573
75th Percentile
£673
90th Percentile
£675