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13 Contract API jobs in Wallingford + 20 miles
200 exact matches jobs are outside your preferred location
ServiceNow SME / Implementation Specialist - Role: ServiceNow Implementation Specialist / SME - Rate: £450 per day (Outside IR35) Location: Remote (UK-based candidates) Duration: 6 months - We're seeking an experienced ServiceNow SME to lead and support the implementation and integration of ServiceNow across enterprise IT environments. The ideal candidate will have hands-on expertise configuring ServiceNow modules and integrating the platform with existing IT systems and tools. * Lead ServiceNow implementation and configuration projects * Integrate ServiceNow with core IT systems and external applications * Define and deliver best practice solutions aligned with ITIL processes * Collaborate with internal stakeholders to optimise workflows and automation * Provide technical guidance and SME-level support throughout the project lifecycle
ServiceNow SME / Implementation Specialist - Role: ServiceNow Implementation Specialist / SME - Rate: £450 per day (Outside IR35) Location: Remote (UK-based candidates) Duration: 6 months - We're seeking an experienced ServiceNow SME to lead and support the implementation and integration of ServiceNow across enterprise IT environments. The ideal candidate will have hands-on expertise configuring ServiceNow modules and integrating the platform with existing IT systems and tools. * Lead ServiceNow implementation and configuration projects * Integrate ServiceNow with core IT systems and external applications * Define and deliver best practice solutions aligned with ITIL processes * Collaborate with internal stakeholders to optimise workflows and automation * Provide technical guidance and SME-level support throughout the project lifecycle
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Oracle Revenue Management Production Support Service Engineer
Oracle Revenue Management Production Support Service Engineer
DCV Technologies Limited
SE1, South East London
From £400 to £450 per day
Position Overview - We are seeking a skilled Service Engineer to provide comprehensive production support for Oracle Revenue Management, Receivables, and Intercompany processes. This role requires both financial accounting expertise and technical troubleshooting capabilities to ensure revenue recognition compliance and seamless system operations. Key Responsibilities - Revenue Recognition & Compliance - Support ASC 606/IFRS 15 revenue recognition principles in production systems - Troubleshoot and maintain Revenue Contracts, Performance Obligations, and Standalone Selling Price (SSP) calculations - Resolve issues with Revenue Deferrals, Revenue Allocations, and Adjustments - Ensure revenue compliance through Multi-Currency and Multi-GAAP Reporting - Assist with Deferred Revenue and Unbilled Revenue Accruals processing - Receive, analyze, and prioritize related support
Position Overview - We are seeking a skilled Service Engineer to provide comprehensive production support for Oracle Revenue Management, Receivables, and Intercompany processes. This role requires both financial accounting expertise and technical troubleshooting capabilities to ensure revenue recognition compliance and seamless system operations. Key Responsibilities - Revenue Recognition & Compliance - Support ASC 606/IFRS 15 revenue recognition principles in production systems - Troubleshoot and maintain Revenue Contracts, Performance Obligations, and Standalone Selling Price (SSP) calculations - Resolve issues with Revenue Deferrals, Revenue Allocations, and Adjustments - Ensure revenue compliance through Multi-Currency and Multi-GAAP Reporting - Assist with Deferred Revenue and Unbilled Revenue Accruals processing - Receive, analyze, and prioritize related support
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Technically sharpAI Prompt Engineer - Youll design and optimize prompts, build LLM-powered applications, and deploy scalable GenAI solutions that connect people and intelligent systems in new ways. What Youll Do * Design, test, and refine prompts for leading LLMs (GPT-4/5, Claude, Gemini, Mistral, LLaMA, Cohere). * Experiment with advanced prompting techniques; Chain-of-Thought, ReAct, Tree-of-Thoughts, and more. * Deploy AI/ML pipelines using Azure ML, AWS SageMaker, Vertex AI, or Databricks. * Integrate LLMs into production apps using LangChain, LlamaIndex, and RAG architectures. * Build APIs and microservices for scalable AI deployment. * Use AI-powered dev tools like GitHub Copilot, Cursor, and Codeium to speed up iteration. * Apply MLOps/LLMOps practices with MLflow, Weights & Biases, and Kubeflow. Youll Bring
Technically sharpAI Prompt Engineer - Youll design and optimize prompts, build LLM-powered applications, and deploy scalable GenAI solutions that connect people and intelligent systems in new ways. What Youll Do * Design, test, and refine prompts for leading LLMs (GPT-4/5, Claude, Gemini, Mistral, LLaMA, Cohere). * Experiment with advanced prompting techniques; Chain-of-Thought, ReAct, Tree-of-Thoughts, and more. * Deploy AI/ML pipelines using Azure ML, AWS SageMaker, Vertex AI, or Databricks. * Integrate LLMs into production apps using LangChain, LlamaIndex, and RAG architectures. * Build APIs and microservices for scalable AI deployment. * Use AI-powered dev tools like GitHub Copilot, Cursor, and Codeium to speed up iteration. * Apply MLOps/LLMOps practices with MLflow, Weights & Biases, and Kubeflow. Youll Bring
Location: Remote (UK-based) / very occasional travel to London - A fast-growing global technology company specialising in data-driven B2B solutions is seeking a contract Senior Software Engineer to join its high-performing engineering team. This is a remote UK based role, with very occasional travel to London. The company builds scalable platforms that support enterprise-level marketing and sales intelligence, serving thousands of users across multiple industries. The Role - This is a hands-on senior engineering role focused on designing and developing backend services and APIs using modern technologies such as Java 17+, Golang, and AWS. You'll be part of a collaborative team working on high-availability microservices, contributing to architecture decisions, mentoring junior developers, and ensuring robust testing and deployment practices. Key Responsibilities
Location: Remote (UK-based) / very occasional travel to London - A fast-growing global technology company specialising in data-driven B2B solutions is seeking a contract Senior Software Engineer to join its high-performing engineering team. This is a remote UK based role, with very occasional travel to London. The company builds scalable platforms that support enterprise-level marketing and sales intelligence, serving thousands of users across multiple industries. The Role - This is a hands-on senior engineering role focused on designing and developing backend services and APIs using modern technologies such as Java 17+, Golang, and AWS. You'll be part of a collaborative team working on high-availability microservices, contributing to architecture decisions, mentoring junior developers, and ensuring robust testing and deployment practices. Key Responsibilities
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We need talented engineers with a strong low-level graphics and GPU development background on the Android platform, ideally with experience of working in the consumer electronics industry. This contract will be hybrid (3 days a week onsite, 2 remote), based near Egham. Its within IR35 but offering a good rate to offset that! The successful candidate will contribute to new, high-performance graphics solutions, integrate our solutions with new hardware platforms, optimise the Android OS graphics stack, benchmark our systems against competitors, work with 3rd party software developers and generally ensure that we have the best possible graphics experience on the market. Role and Responsibilities - Develop innovations to optimise real-time rendering pipelines and deliver class-leading performance - Implement standard features and extensions for the Android Graphics stack
We need talented engineers with a strong low-level graphics and GPU development background on the Android platform, ideally with experience of working in the consumer electronics industry. This contract will be hybrid (3 days a week onsite, 2 remote), based near Egham. Its within IR35 but offering a good rate to offset that! The successful candidate will contribute to new, high-performance graphics solutions, integrate our solutions with new hardware platforms, optimise the Android OS graphics stack, benchmark our systems against competitors, work with 3rd party software developers and generally ensure that we have the best possible graphics experience on the market. Role and Responsibilities - Develop innovations to optimise real-time rendering pipelines and deliver class-leading performance - Implement standard features and extensions for the Android Graphics stack
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Service Management Specialist - SC Cleared - £570p/d Inside IR35 - Onsite
Service Management Specialist - SC Cleared - £570p/d Inside IR35 - Onsite
Exalto Consulting ltd
SN13, Corsham
£550 - £570p/d Inside IR35
Service Management Specialist (Atlassian / ITSM) – Contract - Location: Wiltshire (On-site) Rate: Up to £570 per day (Inside IR35) Duration: 6 Months - Clearance: Active SC required; must be sole British national and eligible for DV - A secure government programme requires a Service Management Specialist with strong Atlassian administration skills to support IT Service Management and Agile delivery. You’ll configure, optimise, and maintain Jira Service Management, Jira Software, and Confluence to ensure efficient service delivery and operational excellence. Key Responsibilities * Configure and manage Jira Service Management workflows, automations, and assets (Insight). * Create and support Jira Software projects, boards, and reports for Agile teams. * Maintain a Confluence Knowledge Base for documentation and self-service.
Service Management Specialist (Atlassian / ITSM) – Contract - Location: Wiltshire (On-site) Rate: Up to £570 per day (Inside IR35) Duration: 6 Months - Clearance: Active SC required; must be sole British national and eligible for DV - A secure government programme requires a Service Management Specialist with strong Atlassian administration skills to support IT Service Management and Agile delivery. You’ll configure, optimise, and maintain Jira Service Management, Jira Software, and Confluence to ensure efficient service delivery and operational excellence. Key Responsibilities * Configure and manage Jira Service Management workflows, automations, and assets (Insight). * Create and support Jira Software projects, boards, and reports for Agile teams. * Maintain a Confluence Knowledge Base for documentation and self-service.
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Head of Product - Platform - Digital Channels - FS
Head of Product - Platform - Digital Channels - FS
Sanderson Recruitment
EC1, City of London
£750 - £850 per day
Head of Product / Head of Product Platforms / Head of Digital Product - We're looking for a strategic and delivery-focused Head of Product to lead the ongoing development and optimisation of the organisation's core digital customer platform. This platform serves as a key touchpoint for millions of customers, enabling seamless access to products, services, and personalised experiences across all digital channels. As Head of Product, you will be responsible for defining the vision, driving operational excellence, and ensuring effective leadership across a team of five Senior Product Owners. You'll collaborate closely with engineering, design, data, and commercial teams to deliver a world-class digital experience that strengthens engagement and supports the organisation's strategic objectives. Key Responsibilities - Leadership & Strategy
Head of Product / Head of Product Platforms / Head of Digital Product - We're looking for a strategic and delivery-focused Head of Product to lead the ongoing development and optimisation of the organisation's core digital customer platform. This platform serves as a key touchpoint for millions of customers, enabling seamless access to products, services, and personalised experiences across all digital channels. As Head of Product, you will be responsible for defining the vision, driving operational excellence, and ensuring effective leadership across a team of five Senior Product Owners. You'll collaborate closely with engineering, design, data, and commercial teams to deliver a world-class digital experience that strengthens engagement and supports the organisation's strategic objectives. Key Responsibilities - Leadership & Strategy
FEATURED
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Front End Developer
Front End Developer
Sanderson Government and Defence
EC1, City of London
£400 - £500 per day + outside IR35
Details - Clearance required: SC Cleared - IR35 Status: Outside IR35 - Start date: 01/12/2025 - Pay rate: 400-500/d - We are forming a new Data Team to deliver a unified, user-friendly interface that consolidates dashboards, reports, and analytical outputs from across the organisation. This 'single pane of glass' will serve as the central hub for stakeholders to explore data, monitor performance, and make informed decisions. As the Front-End Developer, you will play a pivotal role in designing and building this interface from the ground up. You'll work closely with Data Analysts, Data Scientists, Engineers, and Business Analysts to understand their outputs and translate them into intuitive, dynamic visual experiences. Your work will directly influence how data is consumed and acted upon across the organisation. Responsibilities
Details - Clearance required: SC Cleared - IR35 Status: Outside IR35 - Start date: 01/12/2025 - Pay rate: 400-500/d - We are forming a new Data Team to deliver a unified, user-friendly interface that consolidates dashboards, reports, and analytical outputs from across the organisation. This 'single pane of glass' will serve as the central hub for stakeholders to explore data, monitor performance, and make informed decisions. As the Front-End Developer, you will play a pivotal role in designing and building this interface from the ground up. You'll work closely with Data Analysts, Data Scientists, Engineers, and Business Analysts to understand their outputs and translate them into intuitive, dynamic visual experiences. Your work will directly influence how data is consumed and acted upon across the organisation. Responsibilities
FEATURED
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Lead Salesforce Developer Contract (Outside IR35) Fully Remote - Day Rate: Competitive, open to negotiation - Duration: 6 months+ Working Arrangements: Fully Remote - Interview: 1 Video Call - About the Role - We are seeking an experienced Lead Salesforce Developer for a hands-on leadership role within a fast-growing, innovative financial services environment. You will take ownership of the Salesforce platform, leading a small, talented team and driving technical excellence across the business. What Youll Do * Lead the design, development, and deployment of Salesforce solutions * Collaborate with stakeholders to gather requirements and deliver tailored functionality * Manage and mentor a team of Salesforce professionals (Administrators, Analysts, and Developers) * Ensure data integrity, oversee integrations, and manage complex data models
Lead Salesforce Developer Contract (Outside IR35) Fully Remote - Day Rate: Competitive, open to negotiation - Duration: 6 months+ Working Arrangements: Fully Remote - Interview: 1 Video Call - About the Role - We are seeking an experienced Lead Salesforce Developer for a hands-on leadership role within a fast-growing, innovative financial services environment. You will take ownership of the Salesforce platform, leading a small, talented team and driving technical excellence across the business. What Youll Do * Lead the design, development, and deployment of Salesforce solutions * Collaborate with stakeholders to gather requirements and deliver tailored functionality * Manage and mentor a team of Salesforce professionals (Administrators, Analysts, and Developers) * Ensure data integrity, oversee integrations, and manage complex data models
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Excellent Azure services including Logic Apps, Functions, API Management, and Azure DevOps.
Excellent Azure services including Logic Apps, Functions, API Management, and Azure DevOps.
FEATURED
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Manual Security Tester - SC Cleared - Remote - Inside IR35
Manual Security Tester - SC Cleared - Remote - Inside IR35
The Bridge (IT Recruitment) Limited
SE1, South East London, SE1 0AA
£400 - 425 per day
Manual API testing
Manual API testing
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Senior Java Microservices AWS developer
Senior Java Microservices AWS developer
Stott & May Professional Search Limited
London
£460 - £510 per annum
As a Senior Java Microservices AWS Developer, you will be responsible for the design and development of web applications using Java and AWS Serverless Architecture (Lambda, DynamoDB, ECS Fargate, SQS, SNS, Kinesis, CloudWatch, CloudFormation, IAM, CodeBuild, Security Groups, API Gateway, ALBs, KMS, Secrets Manager, Parameter Store, and S3). Proven proficiency in AWS Serverless Architecture (Lambda, DynamoDB, ECS Fargate, SQS, SNS, Kinesis, CloudWatch, CloudFormation, IAM, CodeBuild, Security Groups, API Gateway, ALBs, KMS, Secrets Manager, Parameter Store, and S3).
As a Senior Java Microservices AWS Developer, you will be responsible for the design and development of web applications using Java and AWS Serverless Architecture (Lambda, DynamoDB, ECS Fargate, SQS, SNS, Kinesis, CloudWatch, CloudFormation, IAM, CodeBuild, Security Groups, API Gateway, ALBs, KMS, Secrets Manager, Parameter Store, and S3). Proven proficiency in AWS Serverless Architecture (Lambda, DynamoDB, ECS Fargate, SQS, SNS, Kinesis, CloudWatch, CloudFormation, IAM, CodeBuild, Security Groups, API Gateway, ALBs, KMS, Secrets Manager, Parameter Store, and S3).
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Configure and support Axway solutions, including API management and B2B gateway. * Working knowledge of Axway technologies, particularly API management and B2B gateway.
Configure and support Axway solutions, including API management and B2B gateway. * Working knowledge of Axway technologies, particularly API management and B2B gateway.
FEATURED
Senior Security Engineer Defender PurView Sentinel
Senior Security Engineer Defender PurView Sentinel
Invitise Ltd
EC1A, City of London
Up to £500 per day Outside IR35
PowerShell scripting and use of Microsoft Graph API
PowerShell scripting and use of Microsoft Graph API
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Knowledge on CPM Plugins and REST API
Knowledge on CPM Plugins and REST API
FEATURED
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• Understanding of C#, ASP.NET MVC/Core/Blazor, Web API, and Entity Framework for backend development.
• Understanding of C#, ASP.NET MVC/Core/Blazor, Web API, and Entity Framework for backend development.
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SharePoint REST API: Integration with SharePoint lists and libraries
SharePoint REST API: Integration with SharePoint lists and libraries
DevOps experience a bonus e.g. Terraform, Drone, Kubernetes cluster management for microservice style API data consumption
DevOps experience a bonus e.g. Terraform, Drone, Kubernetes cluster management for microservice style API data consumption
FEATURED
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Apply DevOps concepts and use Azure ADB2C and cloud services (API management, App Service, Azure configurations).
Apply DevOps concepts and use Azure ADB2C and cloud services (API management, App Service, Azure configurations).
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4+ years automation testing skills (Selenium, Katalon, GT-UI, GT-API). * Web services testing / API testing skills is a plus.
4+ years automation testing skills (Selenium, Katalon, GT-UI, GT-API). * Web services testing / API testing skills is a plus.
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Proficiency with Git workflows, LAMP stack, and REST API integrations.
Proficiency with Git workflows, LAMP stack, and REST API integrations.
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Work closely with the team to develop new features, such as better interpretation layers, enhanced data decoding, and improved API coverage for various blockchain data.
Work closely with the team to develop new features, such as better interpretation layers, enhanced data decoding, and improved API coverage for various blockchain data.
As an emerging leader in the $10B+ communications API market, we empower global brands to connect better with their customers, employees, and partners through transformative communications experiences. For example, Vonage API solutions empower organizations to build their custom omnichannel communications structure. This role is critical to protecting our customers and their end users from increasingly sophisticated fraud schemes and prevent bad actors from using our services while maintaining seamless user experiences across all Vonage communication API channels including voice & messaging channels..
As an emerging leader in the $10B+ communications API market, we empower global brands to connect better with their customers, employees, and partners through transformative communications experiences. For example, Vonage API solutions empower organizations to build their custom omnichannel communications structure. This role is critical to protecting our customers and their end users from increasingly sophisticated fraud schemes and prevent bad actors from using our services while maintaining seamless user experiences across all Vonage communication API channels including voice & messaging channels..
We collaborate closely with product, engineering, research, and GTM teams to ensure the developer journeyfrom initial API call to full production deploymentis seamless, effective, and delightful.
We collaborate closely with product, engineering, research, and GTM teams to ensure the developer journeyfrom initial API call to full production deploymentis seamless, effective, and delightful.
You may also be asked to support the testing of releases for our Client API and Mobile Application. * API testing - building out automated test coverage of our RESTful Client API * Collaborate with the external contractor QA resource on specific projects (e.g. automating API testing) and as an additional resource when required
You may also be asked to support the testing of releases for our Client API and Mobile Application. * API testing - building out automated test coverage of our RESTful Client API * Collaborate with the external contractor QA resource on specific projects (e.g. automating API testing) and as an additional resource when required
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