51 to 75 of 123 API Development Jobs in England

BENEFITS £50-60k salary depending on experience Hybrid working - 4 days per week on-site, 1 day remote Modern technology stack and greenfield development opportunities Opportunity to mentor and lead a growing engineering team High level of ownership and influence across architecture and delivery Collaborative and ambitious engineering … .NET MAUI mobile applications - contributing from concept through to deployment. ESSENTIAL SKILLS Strong commercial experience with C#/.NET Modern .NET 8/10 development experience Blazor/Razor Components ASP.NET Core REST API development Entity Framework Core AWS infrastructure experience MySQL CI/CD pipelines using ...

invoicing market by storm. This is a brand new project to create an efactoring platform and CRM system from scratch. The ASP.NET MVC Development role is expansionary due to a brand new international platform being created. The ASP.NET MVC Developer will be involved in greenfield platform development for a global high demand high transaction payments gateway. The frontend development of their web platform in HTML5, Javascript, angular.js and CSS3 and the backend in ASP.NET MVC and noSQL (which will be gained in experience)The ASP.NET MVC Developer will be fully responsible for production, modification ...

Department/Division: Business TechnologyDuration: PermanentReports to: IT Development MangerType of Role: Hybrid Budget Responsibilities: NoReference number: 10740The RoleReporting to the IT Development Manager, with a dotted line to the Director of Helix, you will be a senior, experienced AI Engineer (FDE) embedded within the Helix team. … based systems, with particular attention to legal accuracy, confidentiality, security, provenance and responsible use. Platforms and technical delivery: Use approved OpenAI capabilities, including relevant API, Skills and Work capabilities, alongside FleetAI and other approved platforms where they best meet the use case and governance requirements. Build production-minded back ...

about more than a lift-and-shift — it's about rearchitecting how companies build, deploy, and scale software. From containerized microservices on GKE to API-first architectures on Apigee to AI-augmented development with Gemini Code Assist, we help clients transform their application estates into modern, cloud-native … Google Cloud domains: Data & AI: Build data pipelines and analytics solutions using BigQuery, Dataflow, and Looker. Generative & Agentic AI: Contribute to the design and development of AI solutions using Vertex AI, Gemini models, and Retrieval-Augmented Generation (RAG). Security Operations (SecOps) & Cyber Defense: Design and build solutions that ...

Challenge: Greenfield Trading platform, API development, industry specific challenges Firm: Well-known Fintech Trading Platform Vendor, Surbiton, 30 man flat global Dev Team Pay: 80k, Bonus- 750 training budget, Pension, Life/Health, Some Flex WorkingFull Stack Javascript Software Engineer Quant Capital is urgently looking for a Full … pricing of derivatives to most of the buy side. I am seeking a full stack developer to work as part of a larger development team focused on driving innovation across a cloud-enabled, microservices platform for the Institutional & Investment Management divisionThis is an opportunity for an individual with ...

Tech: Javascript, TypeScript, MongoDB, Angular, HTML5, CSS, BootstrapChallenge: Greenfield Trading platform, API development, industry specific challengesFirm: Well-known Fintech Trading Platform Vendor, City of London, 30 man flat global Dev TeamPay: 80k, Bonus- 750 training budget, Unlimited holiday, Pension, Life/Health, Some Flex WorkingJunior Full Stack Javascript … pricing of derivatives to most of the buy side. I am seeking a full stack developer to work as part of a larger development team focused on driving innovation across a cloud-enabled, microservices platform for the Institutional & Investment Management divisionThis is an opportunity for an individual with ...

ready solutions including testing, CI/CD, logging and documentation. - Provide technical leadership and mentorship to a junior engineer. Essential Skills & Experience - MCP server development and AI agent tooling - Azure OpenAI, Azure AI Search, RAG and prompt engineering - SharePoint Online and Microsoft Graph API - Hybrid semantic/vector … search - Enterprise API development and document processing - Azure (Functions and/or Container Apps) - Entra ID and OAuth/OIDC- CI/CD, testing and production support - Software engineering experience, ideally using Python and/or C#/.NET Desirable Skills - Microsoft 365 Copilot - Microsoft Purview - Enterprise knowledge ...

support customer growth, operational excellence and product development. The Role As a D365 CE Developer, you'll play a key role in the design, development and enhancement of the company's Dynamics 365 Customer Engagement environment. Working alongside product managers, architects and fellow developers, you'll help deliver scalable … Collaborate with stakeholders to gather requirements and translate them into technical solutions Support platform optimisation, performance improvements and ongoing enhancements Contribute to technical designs, development standards and best practices What We're Looking For Proven experience developing within Dynamics 365 CE/CRM Strong C# and .NET development ...

support customer growth, operational excellence and product development. The Role As a D365 CE Developer, you'll play a key role in the design, development and enhancement of the company's Dynamics 365 Customer Engagement environment. Working alongside product managers, architects and fellow developers, you'll help deliver scalable … Collaborate with stakeholders to gather requirements and translate them into technical solutions Support platform optimisation, performance improvements and ongoing enhancements Contribute to technical designs, development standards and best practices What We're Looking For Proven experience developing within Dynamics 365 CE/CRM Strong C# and .NET development ...

used regularly for automation, operational tasks, and reducing manual intervention. Integration services: proficient in AWS integration services (EventBridge, SQS, SNS, Step Functions, Lambda and API Gateway) and able to work with Azure Integration Services (Logic Apps, Service Bus, Event Grid and API Management) for integration design and implementation. … design using AWS Organizations and Control Tower, IAM and IAM Identity Center, VPC networking, and security services such as GuardDuty, Security Hub and CloudTrail. API Development: solid experience with SOAP and REST APIs, including design, development, and secure management. Experience with GitHub version control, including branching strategies ...

Role: Forward Deployed Engineer Location: London Salary: £100,000 £120,000 + Bonus + Equity Global Digital Engineering Company | Client-Facing AI Development | Build & Deploy Production AI Solutions Were partnered with a global digital engineering and technology services company that is continuing to expand its AI capabilities … business. A key part of the role will involve building and deploying AI solutions directly into client environments . Youll work across the full development lifecycle, from discovery and technical design through to implementation, integration and production deployment. Technologies will include Python, Hugging Face, LangChain, Pinecone, LLMs ...

throughput applications Low-latency engineering experience Strong analytical and mathematical problem-solving ability Experience with cloud platforms, ideally GCP Docker/containerisation experience REST API development experience Experience with event-driven architecture or messaging Exposure to AI, machine learning or AI-enabled systems Strong understanding of performance, reliability ...

throughput applications Low-latency engineering experience Strong analytical and mathematical problem-solving ability Experience with cloud platforms, ideally GCP Docker/containerisation experience REST API development experience Experience with event-driven architecture or messaging Exposure to AI, machine learning or AI-enabled systems Strong understanding of performance, reliability ...

operations, including containerization (Docker, Kubernetes/AWS EKS), cloud platforms (AWS/Azure), workflow orchestration (Airflow), automated testing for ML systems, and API development for model deployment Technical leadership and influence – Track record of mentoring and coaching engineers, driving ML initiatives in fast-moving environments, leading through technical ...

operations, including containerization (Docker, Kubernetes/AWS EKS), cloud platforms (AWS/Azure), workflow orchestration (Airflow), automated testing for ML systems, and API development for model deployment Technical leadership and influence – Track record of mentoring and coaching engineers, driving ML initiatives in fast-moving environments, leading through technical ...

delivering enterprise-scale integration solutions. The individual should have extensive hands-on experience with Azure Integration Services, including Logic Apps, Azure Functions, Service Bus, API Management, and REST APIs, alongside a deep understanding of integration patterns and system-to-system connectivity. Key skills required include:* Azure Integration Services (Logic … Apps, Functions, Service Bus, Event Grid, API Management) * Enterprise integration architecture and design * API development, management and integration * System-to-system integration across complex application estates * Azure-native solution design and implementation * DevOps and CI/CD pipelines for automated deployment and release management * Strong troubleshooting ...

delivering enterprise-scale integration solutions. The individual should have extensive hands-on experience with Azure Integration Services, including Logic Apps, Azure Functions, Service Bus, API Management, and REST APIs, alongside a deep understanding of integration patterns and system-to-system connectivity. Key skills required include: * Azure Integration Services (Logic … Apps, Functions, Service Bus, Event Grid, API Management) * Enterprise integration architecture and design * API development, management and integration * System-to-system integration across complex application estates * Azure-native solution design and implementation * DevOps and CI/CD pipelines for automated deployment and release management * Strong troubleshooting ...

society. Learn about the Danaher Business System which makes everything possible. The Principal Full Stack Engineer (Agentic AI) is responsible for accelerating the development of our Agentic AI platform and applications by; understanding and identifying optimal components to address business need, architecting the solution, guiding and mentoring the team … capabilities. The essential requirements of the job include: Strong software engineering capability, primarily in TypeScript (with Python as an additional benefit) with backend and API development skills. Demonstrated ability to design, deploy, and operate production-grade AI systems with focus on reliability, scalability, and performance. Expertise in Agentic ...

fellow engineers and business stakeholders, you'll help turn complex requirements into reliable AI solutions, contributing to testing, evaluation and continuous improvement throughout the development lifecycle. ResponsibilitiesWrites robust, production-quality agent reasoning logic, memory management and sub-agent delegation workflows in Python. Develops custom Model Context Protocol (MCP) servers … experience working with LLM APIs (R2D2 Gateway, OpenAI, Google Vertex AI) and integrating foundation models into backend services. Experience with REST/gRPC API development, Docker, Git, Linux environments and CI/CD automation pipelines. Understanding of prompt engineering, structured JSON output validation (e.g. Pydantic) and vector search ...

operational excellence. What You Will Be Doing Integration Engineering & Data Management Design, build and support integrations across Customer Management Platforms and enterprise applications. Develop API, event-driven and batch integration solutions using Informatica CDI/CAI and approved architectural patterns. Support data movement, transformation and synchronisation across Salesforce, Treasure … development. Proven experience designing, building and supporting enterprise data integrations. Experience integrating cloud platforms, enterprise applications and data services. Snowflake data engineering experience. REST API development and integration experience. Strong understanding of event-driven integration and system-to-system connectivity . Data modelling and data quality principles. ...

directly with founders to influence product strategy, engineering direction and future hiring. Develop cloud-native systems using AWS Serverless, Lambda, PostgreSQL, Supabase and modern API architectures. Improve platform reliability, observability, security, performance and scalability. Support CI/CD, Infrastructure as Code and software engineering best practices. Tech StackTypeScript, React … Next.js, Node.js, Go, Python, AWS, Lambda, PostgreSQL, SQL, Supabase, API Development, AI, Machine Learning, LLMs, OpenAI, Claude, MCP, RAG, Serverless, CI/CD, Infrastructure as CodeWhat They're Looking ForStrong commercial experience as a Software Engineer, Full Stack Engineer, Full Stack Developer or Senior Software Engineer. Expertise with ...

Palantir architecture, software engineering or data engineering • Experience designing, building or integrating data-driven applications and platforms • AWS and cloud-based engineering environments • API development and integration, ideally including API Management • Experience with healthcare interoperability standards such as FHIR and HL7 • Exposure to React would be beneficial ...

Tech: .Net Core, Blockchain Challenge: Greenfield Blockchain platform, API development, industry specific challenges Firm: Well-known fintech50 business, City of London, 30 man flat Dev Team Pay: 80k, Bonus- training budget, Pension, Life/Health, Some Flex Working.NET Core Engineer Fintech BlockchainQuant Capital is urgently looking … .NET Core Developer to join our high profile client. Small iterative releases over large releases Automated testing over manual testing Development team testing culture over testing is a separate function Upfront team acceptance criteria over tests derived from the specificationOur client is a well known financial market data provider ...

Tech: C#, SQL, MVC, WPF, .net coreChallenge: Greenfield Insurance platform, API development, industry specific challengesFirm: Well-known Insurance Trading Platform Vendor, City of London, 30 man flat global Dev TeamPay: 80k, Bonus- 750 training budget, Pension, Life/Health, Some Flex WorkingC# Software Engineer Quant Capital is urgently … C# Developer to work for our high profile Lloyds of London insurer. This is an opportunity for an individual with a strong software development background. The applicant will be responsible for design, development and maintenance of my clients main pricing analytical library in C#.This varied role is based ...

Tech: C# 5, .net core AWS, Angular. JS, Bootstrap, Docker Challenge: Greenfield Financial platform, API development, industry specific challengesFirm: Well-known fintech50 business, City of London, 30 man flat Dev TeamPay: 50k, Bonus- training budget, Pension, Life/Health, Some Flex Working*This role is fully remote until … looking for a C# developer who wants to work in a tech driven bleeding edge business creating truly greenfield products. Working within the Development team the C# Developer will helping to introduce a new architecture as well as creating new products. C# Developers MUST have: Degree ideally Comp SciC#SQLIdeally ...