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3 Contract API jobs in Northamptonshire + 20 miles
142 exact matches jobs are outside your preferred location
Familiarity with API design and working in distributed systems
Familiarity with API design and working in distributed systems
You understand how customer data moves through CRM systems, including events and API-driven attributes
You understand how customer data moves through CRM systems, including events and API-driven attributes
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Strong knowledge of C++ and API design
Strong knowledge of C++ and API design
Proficiency in API design and integration.
Proficiency in API design and integration.
Conduct API testing to ensure robust and reliable integration between services. * Understanding of API testing , including tools like Postman or similar.
Conduct API testing to ensure robust and reliable integration between services. * Understanding of API testing , including tools like Postman or similar.
Experience with Iron Python and the API-Rest Framework.
Experience with Iron Python and the API-Rest Framework.
Principal Software Engineer (.Net)
Principal Software Engineer (.Net)
MHR International UK Limited
Nottingham, Nottinghamshire
Competitive
Microsoft Azure (Functions, AKS, App Service, API Management, Service Bus, Event Grid, Storage, Cosmos DB, Azure SQL)
Microsoft Azure (Functions, AKS, App Service, API Management, Service Bus, Event Grid, Storage, Cosmos DB, Azure SQL)
Proficient in headless CMS integrations (Kontent.ai, Contentful) and API-driven development
Proficient in headless CMS integrations (Kontent.ai, Contentful) and API-driven development
Powered by our proprietary Play&Plug technology platform , we offer API-based solutions and manage fully cloud-native insurance programs.
Powered by our proprietary Play&Plug technology platform , we offer API-based solutions and manage fully cloud-native insurance programs.
Strong understanding of cloud native architectures, SaaS solutions (Salesforce, SAP, Dynamics CRM,ServiceNow, etc..), cybersecurity posture fundamentals, API ecosystems and legacy on-premise enterprise architectures
Strong understanding of cloud native architectures, SaaS solutions (Salesforce, SAP, Dynamics CRM,ServiceNow, etc..), cybersecurity posture fundamentals, API ecosystems and legacy on-premise enterprise architectures
You possess a strong understanding of cloud computing, microservices, API design, and event-driven architectures.
You possess a strong understanding of cloud computing, microservices, API design, and event-driven architectures.
Senior Software Engineer - Amazon Connect
Senior Software Engineer - Amazon Connect
Capital One (Europe) plc
Nottingham, Nottinghamshire
Competitive
This mainly consists of Lambda, API Gateway, DynamoDB, S3 and our own front end portal that sits on top of Amazon Connect. In particular any knowledge of running in a serverless ecosystem with AWS Lambda, API Gateway and DynamoDB.
This mainly consists of Lambda, API Gateway, DynamoDB, S3 and our own front end portal that sits on top of Amazon Connect. In particular any knowledge of running in a serverless ecosystem with AWS Lambda, API Gateway and DynamoDB.
Our software platforms are powered by our REST APIs and everything is developed with an API-first approach.
Our software platforms are powered by our REST APIs and everything is developed with an API-first approach.
Manager, Lead Research Scientist, Training Data (Foundational Research)
Manager, Lead Research Scientist, Training Data (Foundational Research)
Thomson Reuters
London
Competitive
Post-training techniques for planning, reasoning & complex workflows (e.g., Reasoning Models, LLMs + Knowledge Graphs, Test time compute, CoT pipelines, Tool use & API calling, etc.)
Post-training techniques for planning, reasoning & complex workflows (e.g., Reasoning Models, LLMs + Knowledge Graphs, Test time compute, CoT pipelines, Tool use & API calling, etc.)
AI Engineer, Software Engineer, Machine Learning Engineer, LLM, GenAI, Agentic, LangChain, LangGraph, Langfuse, Python, Backend, API, MLflow, W&B, DVC, Evaluation, RAG, Retrieval, Semantic Search, Multimodal, Computer Vision, Speech-to-Text, Cloud, AWS, Azure, Model Deployment, UK Remote, Contractor, EdTech, Assessment Systems, Automated Scoring, Git, GitHub, UK Hours
AI Engineer, Software Engineer, Machine Learning Engineer, LLM, GenAI, Agentic, LangChain, LangGraph, Langfuse, Python, Backend, API, MLflow, W&B, DVC, Evaluation, RAG, Retrieval, Semantic Search, Multimodal, Computer Vision, Speech-to-Text, Cloud, AWS, Azure, Model Deployment, UK Remote, Contractor, EdTech, Assessment Systems, Automated Scoring, Git, GitHub, UK Hours
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Strong commercial experience with Node.js (Back End services and API development). * Knowledge of RESTful API design and integration.
Strong commercial experience with Node.js (Back End services and API development). * Knowledge of RESTful API design and integration.
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• Strong backend engineering background delivering high-scale systems with AI components (Python/Java, RAG frameworks, vector databases, API engineering).
• Strong backend engineering background delivering high-scale systems with AI components (Python/Java, RAG frameworks, vector databases, API engineering).
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We are looking for a highly skilled Lead Business Analyst / Product Owner to lead the design, development, and delivery of API solutions that enable seamless integration across our digital ecosystem. This hybrid role combines strategic product ownership with hands-on business analysis to ensure our API platform meets business needs, enhances interoperability, and supports scalable growth. * Define and own the API product backlog, aligning with business objectives and technology strategy. * Act as the voice of the customer for API consumers, ensuring usability and developer experience. * Gather, analyze, and document functional and non-functional requirements for API development. * Collaborate with architects and engineering teams to design API specifications, JSON, XM
We are looking for a highly skilled Lead Business Analyst / Product Owner to lead the design, development, and delivery of API solutions that enable seamless integration across our digital ecosystem. This hybrid role combines strategic product ownership with hands-on business analysis to ensure our API platform meets business needs, enhances interoperability, and supports scalable growth. * Define and own the API product backlog, aligning with business objectives and technology strategy. * Act as the voice of the customer for API consumers, ensuring usability and developer experience. * Gather, analyze, and document functional and non-functional requirements for API development. * Collaborate with architects and engineering teams to design API specifications, JSON, XM
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Looking for a Technical Business Analyst to support squads across a high-profile digital environment. You'll work closely with technical and business teams, shaping requirements and supporting delivery from discovery through to live service. The role requires someone confident engaging directly with technical and business stakeholders, translating business needs into technical requirements, and supporting squads through the full lifecycle. * Gather and refine requirements with stakeholders * Translate discovery outputs into clear epics and user stories * Work with architects and developers to validate technical feasibility * Understand RESTful APIs, data flows, and integration patterns * Contribute to agile ceremonies and support iterative delivery * Work across legacy and modern service environments * Proven experience as a Technical BA within digital or engineering
Looking for a Technical Business Analyst to support squads across a high-profile digital environment. You'll work closely with technical and business teams, shaping requirements and supporting delivery from discovery through to live service. The role requires someone confident engaging directly with technical and business stakeholders, translating business needs into technical requirements, and supporting squads through the full lifecycle. * Gather and refine requirements with stakeholders * Translate discovery outputs into clear epics and user stories * Work with architects and developers to validate technical feasibility * Understand RESTful APIs, data flows, and integration patterns * Contribute to agile ceremonies and support iterative delivery * Work across legacy and modern service environments * Proven experience as a Technical BA within digital or engineering
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Job Title: Product Security Architect (Contract) Location: UK-based / Remote - Contract: 3 months initially, Outside IR35 - Why Apply? This is an opportunity to play a key role in shaping Product Security for an international technology organisation. The role offers exposure to a federated environment across multiple business units, providing strategic influence and hands on technical impact. * Define, lead, and evolve a group-wide Product Security and Secure SSDLC strategy across all business units. * Assess current AppSec capabilities, identify gaps, and implement practical, scalable improvements. * Collaborate with Product Architects, engineering, and security teams to integrate security into GitHub, CI/CD pipelines, and development workflows. * Provide architecture guidance and implement secure coding practices, threat modelling, and security tooling.
Job Title: Product Security Architect (Contract) Location: UK-based / Remote - Contract: 3 months initially, Outside IR35 - Why Apply? This is an opportunity to play a key role in shaping Product Security for an international technology organisation. The role offers exposure to a federated environment across multiple business units, providing strategic influence and hands on technical impact. * Define, lead, and evolve a group-wide Product Security and Secure SSDLC strategy across all business units. * Assess current AppSec capabilities, identify gaps, and implement practical, scalable improvements. * Collaborate with Product Architects, engineering, and security teams to integrate security into GitHub, CI/CD pipelines, and development workflows. * Provide architecture guidance and implement secure coding practices, threat modelling, and security tooling.
Understanding of API testing tools and frameworks (e.g., RestAssured, Postman).
Understanding of API testing tools and frameworks (e.g., RestAssured, Postman).
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Familiarity with API testing, SQL queries, and data migration testing.
Familiarity with API testing, SQL queries, and data migration testing.
Location: Remote with the UK or Europe - Salary range: £60,000 - £70,000 - compensation outside the UK will be adjusted based on location. Please note: We are unable to sponsor international visas at this time. Were looking for 2 experienced Senior Backend Engineers to join our backend engineering team behind Nexus Mods core services. In this role, you will design, build, and scale the APIs and systems that power Nexus Mods ecosystem. This is a chance to work on problems most companies never see: massive scale, complex compatibility, and passionate user communities. * Helping millions of gamers discover, download, and manage mods effortlessly. * Empowering creators to publish, distribute, and manage their work with confidence. * Building high-traffic APIs that serve millions of requests per hour. * Designing backend systems that support both web and desktop applicatio
Location: Remote with the UK or Europe - Salary range: £60,000 - £70,000 - compensation outside the UK will be adjusted based on location. Please note: We are unable to sponsor international visas at this time. Were looking for 2 experienced Senior Backend Engineers to join our backend engineering team behind Nexus Mods core services. In this role, you will design, build, and scale the APIs and systems that power Nexus Mods ecosystem. This is a chance to work on problems most companies never see: massive scale, complex compatibility, and passionate user communities. * Helping millions of gamers discover, download, and manage mods effortlessly. * Empowering creators to publish, distribute, and manage their work with confidence. * Building high-traffic APIs that serve millions of requests per hour. * Designing backend systems that support both web and desktop applicatio
Deep expertise integrating with Nutanix Prism v4 API and advanced proficiency coding in C# is required. The ideal candidate will also have strong expertise integrating with VMware vCenter API. * Deep expertise of Nutanix Prism v4 API and Nutanix AHV operations. * Strong expertise with VMware vCenter API and VMware ESXi operations.
Deep expertise integrating with Nutanix Prism v4 API and advanced proficiency coding in C# is required. The ideal candidate will also have strong expertise integrating with VMware vCenter API. * Deep expertise of Nutanix Prism v4 API and Nutanix AHV operations. * Strong expertise with VMware vCenter API and VMware ESXi operations.
API Interaction: Familiarity with APIs, particularly in Python
API Interaction: Familiarity with APIs, particularly in Python