176 to 200 of 212 FastAPI Jobs in England

routing engine, billing infrastructure and webhook delivery. Python/FastAPI/MongoDB. We process every inbound lead through code you write — sub-100ms p99 latency, idempotent everything, audit-trail everything. Who you are 6+ years building production Python services — async/await fluent Deep MongoDB experience including indexing, aggregation, transactions ...

Responsibilities Develop and maintain infrastructure for deploying ML models in both real‐time and batch environments. Build and maintain Python APIs (Flask/FastAPI) to serve ML models. Collaborate with cross discipline engineers to integrate ML services into user‐facing applications. Work with platform engineers to align with infrastructure best … services or insurance is an advantage but not required. Solid experience as a Python developer, ideally in a machine learning engineering context (Flask/FastAPI, OOP, unit testing). Strong understanding of software engineering best practice. Experience with TDD. Experience with infrastructure as code tools like Terraform or similar. Infrastructure ...

Senior Data Engineer Certain Advantage are recruiting for a Senior Data Engineer on a contract basis to start in September for 6-12 months, operating inside IR35. 3 days onsite in London is required per ...

About the Role To strengthen our AI for Science (AI4S) team, we are looking for Software Engineers with a track record in developing production-grade, data-driven software solutions. You will design, build and operate ...

Lead up to four engineers in a cross-functional agile team Drive adoption of cloud-first technologies Perform full-stack development across Python/FastAPI services and React/TypeScript front ends Improve team processes for iterative development Embed automated testing and CI quality gates into the AI product Champion … spikes to de-risk work and guiding iteration toward scalable architecture Ability to harden AI features against prompt injection and unbounded model behaviour Desirable: FastAPI, async SQLAlchemy and/or Node/Express Desirable: React/TypeScript front‐end development Desirable: LangChain, LangGraph or other multi‐agent/LLM orchestration ...

between tactical edge sensors in low-bandwidth environments and strategic HQs running enterprise analytics. Python Engineering: High proficiency in Python for microservices, API development (FastAPI/Flask), data processing, and backend service development. Docker & Container Orchestration: Deep knowledge of containerisation using Docker, multi-stage builds, minimal base images (for bandwidth … standards, automated testing, and building pipelines that package software into deployable Docker artifacts. The Experience You'll Bring Development & Tech: Python, Microservices, REST APIs, FastAPI, Flask, Asynchronous Programming, Object-Oriented Programming (OOP), Test-Driven Development (TDD). DevOps & Deployment: Docker, Docker Compose, Multi-Stage Builds, Kubernetes, K3s, Edge Computing ...

integrated services. Define and drive architecture for scalable, secure, reliable, and maintainable AI solutions deployed in production. Develop robust, well-tested backend APIs with FastAPI, containerized via Docker and deployed on Kubernetes. Architect and own search and retrieval solutions using Azure AI Search and MongoDB, including design of indexing strategies … including building and shipping production backend services. Hands‐on experience building applications with LLMs such as Azure OpenAI, OpenAI, Anthropic, or similar. Experience with FastAPI or comparable Python web frameworks. Production experience with Docker and Kubernetes, including deployment and management on AKS. Strong hands‐on experience with Azure, including Azure ...

Infrastructure Python Developer Rate: £400 per day (Inside IR35) Location: Sheffield, HSBC Grosvenor House, 1 Wellington Street, Sheffield S1 4NB Working Arrangement: Hybrid (60% office/40% remote) Contract Length: Until 27/11/ ...

Senior AI Developer Annual Salary: Competitive Location: Reading, Berkshire (with hybrid options) Job Type: Full-time A new permanent opportunity has become available for a Senior AI Developer to join a leading technology partner. This ...

Infrastructure Python Developer Rate: £400 per day (Inside IR35) Location: Sheffield, HSBC Grosvenor House, 1 Wellington Street, Sheffield S1 4NB Working Arrangement: Hybrid (60% office/40% remote) Contract Length: Until 27/11/ ...

pipelining platform. As a Senior Backend Software, you'll own the orchestration engine that controls scheduling, execution, state, retries, concurrency and cancellation, using Python, FastAPI and AWS in a high velocity production environment. You'll design for unpredictable workloads, solving challenges around capacity, back pressure and isolation, while building … London office (close to Waterloo) with flexibility to work from home twice a week. About you: You have advanced backend Python coding skills, including FastAPI You have a good understanding of system architecture, design and scalability You have experience of working on distributed systems You're familiar with other technology ...

s. You'll work in a mixed team of engineers from several suppliers, alongside a dedicated AI engineering capability. The platform combines Python/FastAPI services, React and TypeScript interfaces, Camunda workflow orchestration, modular services, data persistence, and integration with existing Defence tasking processes. Despite the AI-enabled focus … experience delivering software in MOD, Defence Intelligence, National Security or comparable secure environments Proven experience leading agile development teams Strong engineering background across Python, FastAPI, REST APIs, React and TypeScript Experience designing and delivering microservice architectures ...

s. You'll work in a mixed team of engineers from several suppliers, alongside a dedicated AI engineering capability. The platform combines Python/FastAPI services, React and TypeScript interfaces, Camunda workflow orchestration, modular services, data persistence, and integration with existing Defence tasking processes. Despite the AI-enabled focus … experience delivering software in MOD, Defence Intelligence, National Security or comparable secure environments Proven experience leading agile development teams Strong engineering background across Python, FastAPI, REST APIs, React and TypeScript Experience designing and delivering microservice architectures #J-18808-Ljbffr ...

Senior Python Developer - Collibra - Pydantic - FastAPI - 12 month contract - Glasgow Hybrid (3 days onsite) I am looking for an experienced Python Developer with experience of Collibra to deliver robust data structures, metadata models and automation tools for our client in central Glasgow. What you'll focus on: Turning regulatory, risk … quality while maintaining security, compliance and accuracy. What we're looking for: Strong Python development background with hands-on experience of Pydantic and FastAPI for data modelling, validation, schema design, serialisation and API development. Practical experience with JSON, YAML, REST APIs and SQL in data-heavy environments. Extensive experience with ...

delivery. Use AI assisted engineering to move faster on understanding, prototyping, and shipping code. Our backend stackPython is the dominant backend language. Flask and FastAPI, with strong typing and Pydantic powering automated documentation and API definitions. PostgreSQL at the heart of most services. AWS for cloud hosted services, with heavy … around APIs, service boundaries, and the flow of data from persistent storage through to clients. Strong Python experience, including modern web frameworks (we use FastAPI with Pydantic and strong typing).Deep working knowledge of SQL and relational data modelling. Excellent collaboration and communication, including the ability to explain complex systems ...

Software Engineer x2 Rate - £750 - £830 Location - London 2/3 days on site Until end of July 2027 About the Role To strengthen our AI for Science (AI4S) team, we are looking for Software ...

some of the largest asset managers, hedge funds, index providers and sell-side banks. What you’ll do Build and operate async REST endpoints (FastAPI, Pydantic) that serve large datasets reliably and quickly. Work with large tabular data in pandas, Parquet/Arrow and DuckDB, and manage the memory … including graceful handling of failure modes. Essential Strong production Python including experience shipping and operating services. HTTP APIs in a typed framework such as FastAPI, with schema and contract discipline. Production AWS: S3, a compute service (e.g. ECS/Fargate or Lambda) and a datastore, with least-privilege IAM. Useful ...

production services across Azure and GCP. What you'll work on This is a hands-on engineering role. You'll: Build Python APIs using FastAPI or Flask to serve machine learning models. Deploy models in real-time and batch environments. Develop CI/CD pipelines that automate model testing … including direct responsibility for deploying and maintaining models in production. You should be comfortable with: Production-level Python, including OOP, unit testing and TDD. FastAPI or Flask. ML deployment, monitoring and model lifecycle management. Azure, GCP or AWS. Terraform or another infrastructure-as-code tool. Docker, CI/ ...

production services across Azure and GCP. What you'll work on This is a hands-on engineering role. You'll: Build Python APIs using FastAPI or Flask to serve machine learning models. Deploy models in real-time and batch environments. Develop CI/CD pipelines that automate model testing … including direct responsibility for deploying and maintaining models in production. You should be comfortable with: Production-level Python, including OOP, unit testing and TDD. FastAPI or Flask. ML deployment, monitoring and model lifecycle management. Azure, GCP or AWS. Terraform or another infrastructure-as-code tool. Docker, CI/ ...

production services across Azure and GCP. What you'll work on This is a hands-on engineering role. You'll: Build Python APIs using FastAPI or Flask to serve machine learning models. Deploy models in real-time and batch environments. Develop CI/CD pipelines that automate model testing … including direct responsibility for deploying and maintaining models in production. You should be comfortable with: Production-level Python, including OOP, unit testing and TDD. FastAPI or Flask. ML deployment, monitoring and model lifecycle management. Azure, GCP or AWS. Terraform or another infrastructure-as-code tool. Docker, CI/ ...

dashboards, and integrate systems via APIs. In a team this size, you’ll also get involved in application development - building internal tools with Streamlit, FastAPI, or HTMX that put data directly in the hands of our investment and asset management teams. In your first 3 months you’ll have taken … manual data processes using Python, replacing spreadsheets and ad-hoc workflows with robust, repeatable jobs. Build performance dashboards and reports in Streamlit and HTMX (FastAPI) that Finance, Asset Management, and Fund Management actually use. Integrate internal and third-party systems via REST APIs, improving data accessibility across the business. Champion ...

without needing much of a runway, this is built for you. What You'll Do Build and maintain backend services and APIs, on Django, FastAPI, or similar, that power a live product used daily by energy market professionals. Design and operate data pipelines that ingest, transform, and serve energy market … hands‐on experience with AWS and infrastructure-as-code (Terraform). You've run production infrastructure, not just experimented with it. Proficiency with Django, FastAPI, or a comparable async Python framework. Experience with data pipelines and relational databases (PostgreSQL), and building systems that serve data reliably at scale. Expert‐level ...

feature flags, and well-maintained non-production environments, enabling rapid iteration and feedback. Our Backend Stack Python is the dominant backend language used Flask & FastAPI Typing is used within our Python stack to power automated documentation and API definitions Relational Databases (PostgreSQL) at the heart of majority of services … from persistent storage to API endpoints, applying industry best practices for validation and reliability. Have experience with Python and web frameworks (we currently use FastAPI with strong typing and Pydantic). Have experience building and consuming APIs, ideally within a service-oriented architecture. Have a working knowledge ...

closely with our Lead Data Scientist in developing and maintaining the team’s API service which delivers real-time ML output to Platform Engineering. FastAPI experience would be advantageous in this regard. This role can be hybrid (London) or remote ( but must have UK right to work and be based … infrastructure as code solutions for automating model rollout such as Terraform. It would be beneficial to have: Proficiency with an API web framework e.g. FastAPI, Django, Flask. Familiarity with experimentation and AB testing frameworks and packages. Experience with vector databases or other methodologies that can support larger scale semantic search ...

Senior Machine Learning Engineer (Maternity Leave Cover) Department: Platform Delivery Employment Type: Fixed Term - Full Time Location: London Description The Machine Learning Engineer role sits within Client Delivery, embedded in the Data & Analytics Consulting (DACs ...