10 of 10 API Development Jobs in the City of London

Solutions Architect

Location
City Of London, England, United Kingdom
recruit a Senior Solutions Architect to based at the Company’s Central London Offices. You will extensive and deep Expertise in following Application Development areas: Expertise in application architecture using modern technologies such as cloud native development, 12 factor Apps, microservices, serverless, API management, Kafka, etc. Deep … knowledge of Microservices, Containers, REST APIs development, API Management tools (e.g. MuleSoft, Apigee), Kafka Solution architect with broad expertise in wide range of digital technologies in areas of application platform development, web and mobile development, cloud, integration, security, etc. Application dev experience with at least ...

Azure Cloud FullStack

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £520/day
with JSON and JavaScript to build and consume data-driven interfaces Script and automate operational tasks using PowerShell Apply strong Azure security practices throughout development Troubleshoot issues and support ongoing improvements across the platform What you'll bring: Proven experience in API development and building integration layers … Strong Azure capability, including Azure Logic Apps Front-end development experience with React/Angular/Vue.js Back-end development experience with .NET, Node.js or Python Working knowledge of C# and JavaScript, with confidence using JSON Ability to develop with security in mind, particularly around Azure A collaborative ...

Senior Java Developer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
sign-off Your Skills and Experience Core Java Skills - Good understanding of Java fundamentals including object-oriented programming, collections, exception handling and concurrency. Integration, API Development and Databases - Experience building and deploying event-driven and RESTful APIs, with foundational knowledge of SQL and relational database design Infrastructure ...

Senior Software Engineer

Hiring Organisation
Method-Resourcing
Location
City of London, London, United Kingdom
Employment Type
Permanent
building backend or distributed systems Cloud experience: GCP preferred, although AWS or Azure is also valuable Experience with Docker and containerised applications Strong REST API development experience Experience with event-driven architectures or messaging Experience working with real-time data or high-throughput systems An understanding of designing ...

DevOps Engineer

Hiring Organisation
Anson McCade
Location
City of London, London, United Kingdom
projects supporting National Security customers. This is an opportunity to work on challenging AWS environments where you'll have genuine ownership across the design, development, deployment and maintenance of cloud applications and services. The Role You'll join an experienced, autonomous DevOps/Software Engineering team, working closely with … Actions, GitLab, Bamboo, Bitbucket etc. • Docker/Kubernetes • Cloud networking, Linux, routing and security • Monitoring, observability and operational tooling • Agile delivery environments • Microservices and API development National Security & Clearance This is a National Security-focused role. You'll be working on projects supporting customers across the UK National ...

Lead Agentic AI Engineer

Location
City Of London, England, United Kingdom
seeking a highly skilled and innovative Lead Agentic AI Engineer to join our team and drive the design, development, and deployment of production‐grade generative AI and agentic solutions using Microsoft technologies. This role is ideal for a technically strong engineer who has hands‐on experience building AI solutions … Agent Framework Proficient in Python and production‐quality code practices Strong understanding of software engineering principles, architecture patterns, and delivery best practices Experience with API development using frameworks such as FastAPI, Flask, or Django Knowledge of Docker, containerised deployments, CI/CD, and cloud‐native delivery patterns What ...

Senior Machine Learning Engineer

Location
City Of London, England, United Kingdom
pipelines for ASR, TTS, and Small Language Models (SLMs). Hybrid Deployment: Manage deployment topologies across multi-cloud environments and bare-metal local hardware. API Development: Create high-performance, asynchronous REST and WebSocket APIs using FastAPI to serve real-time conversational agents. MLOps & Infrastructure CI/CD Automation ...

Software Engineer C# .Net - Sports Trading

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
hands-on, backend focussed Software Engineer role at a global sports trading firm. What's in it for you: Salary to £90k Bonus Professional development Pension Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Your role: As a Software Engineer within the trading engine team … team on Greenfield projects which you'll take ownership of and will see the business impact of. There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js. Location: You'll be based in plush City ...

Senior ML Engineer: Conversational AI, Edge & Multi-Cloud

Location
City Of London, England, United Kingdom
pipelines across hybrid cloud and edge environments. You will implement production-grade pipelines, containerize workflows, and contribute to MLOps, AI model serving, and API development. The role requires deep expertise in Python, PyTorch, and modern ML tooling. #J-18808-Ljbffr ...

Integration Engineer (EPR Programme)

Hiring Organisation
Experis UK
Location
City of London, London, United Kingdom
Design, develop and support healthcare interfaces and integrations Analyse, map, transform and validate clinical and operational data flows Develop and maintain HL7, FHIR and API-based integrations Investigate and resolve interface, messaging and data exchange issues Support EPR implementation activities including development, testing and deployment Work closely with … live activities Ensure compliance with healthcare interoperability standards and best practice Essential Experience HL7 message mapping and transformation FHIR resource modelling and implementation API development and integration Healthcare interoperability and data exchange Data mapping, transformation and validation Troubleshooting complex integration and interface issues Desirable Experience Mirth Connect, Health ...