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30 API jobs in Henley-On-Thames + 20 miles
355 exact matches jobs are outside your preferred location
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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
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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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Excellent Azure services including Logic Apps, Functions, API Management, and Azure DevOps.
Excellent Azure services including Logic Apps, Functions, API Management, and Azure DevOps.
NEWFEATURED
Lead Software Developer - Python / AWS / React
Lead Software Developer - Python / AWS / React
Tech 4
E1, East London
From £72,000 to £76,000 per annum + excellent benefits
Experience with AWS services (Lambda, SQS, API gateways, S3).
Experience with AWS services (Lambda, SQS, API gateways, S3).
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API-OpenAPI/GraphQL/GRPC
API-OpenAPI/GraphQL/GRPC
NEW
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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).
NEW
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Experience in developing and deploying Cloud Native Applications using Azure PaaS Capabilities (App Services Plans, Key Vault, SQL Azure DB, AzureFunctions, Containers, AKS, Logic Apps, Service Bus, Event Grid, API Management) * Enterprise Integration Technologies such as Azure API Management, Logic Apps, Service Bus.
Experience in developing and deploying Cloud Native Applications using Azure PaaS Capabilities (App Services Plans, Key Vault, SQL Azure DB, AzureFunctions, Containers, AKS, Logic Apps, Service Bus, Event Grid, API Management) * Enterprise Integration Technologies such as Azure API Management, Logic Apps, Service Bus.
NEW
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Azure, API, PaaS * In-depth knowledge of Azure cloud services (PaaS, Containers, AKS, Logic Apps, API Management, Service Bus, Event Grid).
Azure, API, PaaS * In-depth knowledge of Azure cloud services (PaaS, Containers, AKS, Logic Apps, API Management, Service Bus, Event Grid).
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Required Skills - * We're primarily using AWS, utilising Lambda, ECS, SQS, API Gateway among others.
Required Skills - * We're primarily using AWS, utilising Lambda, ECS, SQS, API Gateway among others.
NEW
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Required Skills - * We're primarily using AWS, utilising Lambda, ECS, SQS, API Gateway among others.
Required Skills - * We're primarily using AWS, utilising Lambda, ECS, SQS, API Gateway among others.
NEW
RESTful API development
RESTful API development
NEW
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
NEW
Knowledge on CPM Plugins and REST API
Knowledge on CPM Plugins and REST API
FEATURED
Integration & API Testing - proficiency with REST/OData service testing using tools like Postman or SoapUI
Integration & API Testing - proficiency with REST/OData service testing using tools like Postman or SoapUI
NEW
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Strong knowledge of Django (or similar) and API design
Strong knowledge of Django (or similar) and API design
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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
NEWFEATURED
Contribute to backend/API testing and assist with security testing initiatives * Strong knowledge of API testing and backend system validation
Contribute to backend/API testing and assist with security testing initiatives * Strong knowledge of API testing and backend system validation
NEW
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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).
NEW
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Senior ReactJS Developer
Senior ReactJS Developer
Spectrum It Recruitment Limited
PO14, Fareham
£45000 - £60000 per annum + plus benefits
React, TypeScript, API, HTML, CSS, JavaScript
React, TypeScript, API, HTML, CSS, JavaScript
NEW
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Build, fine-tune, and evaluate LLM-based Q&A models using frameworks like AWS Bedrock, Langchain, HuggingFace Transformers or OpenAI API.
Build, fine-tune, and evaluate LLM-based Q&A models using frameworks like AWS Bedrock, Langchain, HuggingFace Transformers or OpenAI API.
NEW
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Proficiency in API testing (Postman or equivalent) and SQL for data validation.
Proficiency in API testing (Postman or equivalent) and SQL for data validation.
NEWFEATURED
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Experience building maintainable and testable code bases, including API design and unit testing techniques
Experience building maintainable and testable code bases, including API design and unit testing techniques
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Experience with some of the technologies we make use of: Groovy, Python, AWS Serverless (API Gateway, Lambdas), XML, JSON, Open API, virtualisation in general and especially Docker and its eco system, Git, NoSQL products and concepts (Dynamo, column family, etc.)
Experience with some of the technologies we make use of: Groovy, Python, AWS Serverless (API Gateway, Lambdas), XML, JSON, Open API, virtualisation in general and especially Docker and its eco system, Git, NoSQL products and concepts (Dynamo, column family, etc.)
NEW
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.
NEW
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SharePoint Developer
SharePoint Developer
PPF (Pension Protection Fund)
CR0, Croydon
From £56,000 to £61,500 per annum plus Civil Service pension and other
You should be confident working with cloud technologies like Azure, API development and integration, and SharePoint administration.
You should be confident working with cloud technologies like Azure, API development and integration, and SharePoint administration.
NEWFEATURED
Related Jobs
Locations
- The City, City (EC4)
- Southwark
- The City, City (EC3)
- Holborn
- Canary Wharf
- Datchet Common
- Euston
- Frimley
- Ireland
- Mayfair
- City of London
- Reading
- Central London
- West End
- South East London
- Southampton
- East London
- Milton Keynes
- Northampton
- South West London
- London
- Berkshire
- Hampshire
- Surrey
- Oxfordshire
- Northamptonshire
- Buckinghamshire
- Hertfordshire
- Bedfordshire
- Gloucestershire
- South East
- East Midlands
- Midlands
- South West