1 to 25 of 70 Remote/Hybrid FastAPI Jobs

Senior AI Engineer – Perm – London

Hiring Organisation
Infused Solutions
Location
London, United Kingdom
Salary
£ 70 K
level Python development experience.Experience productionising Machine Learning, NLP or Generative AI models.Strong experience designing and building RESTful APIs and microservices using frameworks such as FastAPI, Flask or Django.Strong SQL skills with experience designing performant relational database solutions.Commercial experience with AWS and/or Azure cloud platforms.Experience designing distributed systems ...

Senior AI Engineer - Perm - London

Hiring Organisation
Infused Solutions
Location
London, UK
Employment Type
Full-time
development experience. Experience productionising Machine Learning, NLP or Generative AI models. Strong experience designing and building RESTful APIs and microservices using frameworks such as FastAPI, Flask or Django. Strong SQL skills with experience designing performant relational database solutions. Commercial experience with AWS and/or Azure cloud platforms. Experience designing ...

Senior Consultant - Agentic AI / Generative AI

Hiring Organisation
Capgemini
Location
Cheshire West and Chester, United Kingdom
Employment Type
Full Time
Redux, Zustand, Jest, Cypress. Build AI product UX patterns (streaming, review loops, provenance/citations, long-running tasks, error-recovery Backend: Django (5.x+), DRF, FastAPI, Pydantic, Celery, Django Channels, Flask, RESTful APIs. Databases & Storage: PostgreSQL, MS SQL Server, MongoDB, Firestore, BigQuery, Azure Blob Storage. Cloud & DevOps: Azure (App Services, OpenAI ...

Senior Software Engineer, Reference Data Platform (Python/Oracle) - AVP

Hiring Organisation
Citigroup
Location
Belfast, Down, United Kingdom
Salary
£ 60 K
Services, specifically with Master Reference Data, market data, instrument/counterparty reference data, or regulatory reporting systems.Experience with Python web frameworks and API design (FastAPI, Flask, or Django) for building internal data services and RESTful APIs.Familiarity with enterprise workload scheduling tools (e.g., Autosys, Airflow, Control-M) and enterprise messaging systems ...

Senior Python Developer - up to 90,000 + Bonus - Hybrid

Hiring Organisation
Involved Solutions
Location
London, UK
Employment Type
Full-time
Developer: Design, develop and maintain Python based automation frameworks and scripts supporting network testing, data processing and operational workflowsBuild RESTful APIs using Flask and FastAPI for internal services and cross team integrationsDevelop lightweight web based dashboards and interfaces using HTML, CSS, JavaScript and Jinja2Work with PostgreSQL, MySQL, MongoDB and Redis ...

Full Stack Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 per annum
EXPERIENCE: 5+ years' experience building and shipping production software Strong commercial experience with React and TypeScript Strong backend development experience using Python, ideally FastAPI or Django Solid PostgreSQL, SQL and data modelling expertise Experience building authentication, authorisation and permission-based systems Knowledge of AWS, CI/CD pipelines and containerised ...

Full Stack Engineer

Hiring Organisation
ISR RECRUITMENT LIMITED
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £525/day (Outside IR35)
infrastructure, taking features from initial refinement through to production. Skills and Experience: Strong hands-on React, TypeScript/JavaScript and Python/FastAPI development skills. Experience building REST APIs, microservices and secure authentication using OAuth2, OpenID Connect and JWT. Practical AWS experience, including IAM, monitoring, secrets management and serverless ...

Mid Software Engineer

Hiring Organisation
Frontier Agriculture Limited
Location
Cambridge, Cambridgeshire, East Anglia, United Kingdom
Employment Type
Permanent, Work From Home
patterns and modular code structure. Develop applications using Vue 3 and Nuxt in SPA mode, or equivalent reactive frameworks, alongside asynchronous Python services using FastAPI or equivalent technologies. Work confidently with relational databases, preferably PostgreSQL, and SQL. Break down technical problems, diagnose and resolve bugs, and contribute scalable, maintainable solutions ...

Senior Full Stack Engineer

Hiring Organisation
Lendable
Location
London, UK
Employment Type
Full-time
years of professional experience as a software engineerSolid experience with Python in a web application context. You have some experience with web frameworks like FastAPI, Django or Flask. We use FastAPI.Experience with Javascript/Typescript and a modern JS framework such as React, Angular or Vue.js. We generally use React ...

Senior Full Stack Developer - Justice Redact (Ref: 23724)

Hiring Organisation
Government Recruitment Service
Location
Edinburgh, Midlothian, United Kingdom
Salary
£ 60 K
solution, particularly where requirements or the problem was not fully defined.Production software development - strong experience developing production services using Typescript, React (Next.js), and Python (FastAPI), with the ability to work confidently across the front end and back end.API and data modelling - experience designing, developing and maintaining REST APIs and data ...

Senior AI Engineer - Agentic AI

Hiring Organisation
EPAM Systems
Location
London, UK
Employment Type
Full-time
responses and citationsDevelop memory and context management solutions, including short-term and long-term stores and compaction strategiesWrite robust Python APIs and services (e.g., FastAPI), incorporating async execution, background jobs and containerized deploymentsIntegrate enterprise systems and tools using protocols such as MCP, A2A, OpenAPI, REST and gRPC, ensuring graceful degradation ...

Senior Python AI Engineer

Hiring Organisation
WTW
Location
London, UK
read about. With strong Python at the heart of everything you do, you'll work across a modern AI stack — LangGraph, LangChain, FastAPI, Azure, vector search and graph databases — building sophisticated, reliable systems that scale. You'll join a talented, multidisciplinary team that values engineering craft as much as innovation ...

Senior AI Engineer (Autonomy & Machine Learning)

Hiring Organisation
Alten
Location
Bristol, Gloucestershire, United Kingdom
Salary
£ 70 K
testing, version control and code quality standards.Experience with data processing and analysis tools including Pandas, NumPy, SQL and model deployment technologies such as FastAPI, ONNX or TorchScript.Soft Skills & CollaborationStrong communication skills with the ability to engage technical and non-technical stakeholders.Collaborative approach with experience working effectively within multidisciplinary engineering teams.Proactive ...

Senior AI Engineer (Autonomy & Machine Learning)

Hiring Organisation
Alten
Location
Bristol, UK
Employment Type
Full-time
testing, version control and code quality standards. Experience with data processing and analysis tools including Pandas, NumPy, SQL and model deployment technologies such as FastAPI, ONNX or TorchScript. Soft Skills & CollaborationStrong communication skills with the ability to engage technical and non-technical stakeholders. Collaborative approach with experience working effectively within ...

Software Engineer - Alternatives

Hiring Organisation
Janus Henderson
Location
London, UK
Employment Type
Full-time
development, testing, deployment, and support of business-critical applications and data services. Strong experience with Python libraries and frameworks such as Pandas, NumPy, PySpark, FastAPI, or equivalent. Proven experience designing, building, and operating cloud-native solutions on Azure (preferred), AWS, or similar cloud platforms. Experience building scalable data platforms, data ...

Founding Software Engineer Python - Start-up

Hiring Organisation
Client Server
Location
London, UK
Employment Type
Full-time
ownership and can build software from scratch and iterate quicklyYou have strong technical skills, primarily with PythonYou have experience with RESTful APIs (they use FastAPI); TypeScript, React and other web technologies such as HTML5, CSS3 would be of benefitYou have experience with LLMs and agentic AI, like to get your ...

Software Engineer - Backend

Hiring Organisation
Bright Purple
Location
Remote UK, Bath, Somerset, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £475/day
code, ideally in AWS Clear communication and the ability to explain technical trade-offs to technical and non-technical colleagues Nice to have FastAPI or another modern Python API framework PostgreSQL or MySQL, Docker, Celery, Redis and Sentry Asynchronous or event-driven processing AWS CDK, Terraform or similar Experience ...

Senior Software Engineer

Hiring Organisation
Assystem
Location
Bristol, Gloucestershire, United Kingdom
Salary
£ 70 K
should be comfortable learning and contributing across a varied environment. Our current stack includes, but is not limited to: C#/.NET, SPython FastAPI/Django, TypeScript, Angular, Vue.js, PostgreSQL, MongoDB, Redis/Valkey, RabbitMQ, Kafka, Azure, S3-compatible storage, Talend, NiFi, Docker, Podman, Kubernetes, Power Platform, and Office document ...

Senior AI Platform Engineer - MCP AWS Agentic AI

Hiring Organisation
Method-Resourcing
Location
London, United Kingdom
Employment Type
Contract
service integration, authentication, authorisation and secure software development. Experience taking ownership of complex engineering projects, making architectural decisions and mentoring other engineers. Desirable: Python, FastAPI, LangGraph, LangChain or similar AI frameworks. JSON-RPC, SSE, WebSockets and event-driven architectures. Experience with RAG, LLM function calling and context management. An interest ...

Senior AI Platform Engineer - MCP | AWS | Agentic AI

Hiring Organisation
Method Resourcing
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
service integration, authentication, authorisation and secure software development. Experience taking ownership of complex engineering projects, making architectural decisions and mentoring other engineers. Desirable: Python, FastAPI, LangGraph, LangChain or similar AI frameworks. JSON-RPC, SSE, WebSockets and event-driven architectures. Experience with RAG, LLM function calling and context management. An interest ...

Back End Developer

Hiring Organisation
Undisclosed
Location
Cardiff, United Kingdom
across allied teams, to build an end-to-end pipeline consuming other data products Basic qualifications: Demonstrated experience of Python backend development (e.g. using FastAPI) Bachelors degree in a relevant field (including computational, numerate or life sciences), or equivalent experience Cloud experience (e.g. Google Cloud and cloud run preferred) including ...

Senior Data Scientist

Location
United Kingdom
into technical requirements and development objectives. Python expertise covering standard data science libraries (NumPy, pandas, matplotlib, Scikit-learn, PyTorch, etc ), web frameworks (Flask or FastAPI) and visualisation (Dash, Plotly, & Streamlit). Proficient in SQL. Working with unstructured data Building customer and stakeholder relationships. Supporting and leading authoring of technical reports ...

Lead Software Engineer, Team Lead

Hiring Organisation
Marsh & McLennan Companies
Location
London, UK
Employment Type
Full-time
pensions covenant/advisory/trustee-facing tools, and strong ability to connect technical design to covenant outcomes. Experience with Python-based services (e.g., FastAPI) and modern web stacks (e.g., Next.js/React.js) in real-world delivery. Practical experience delivering GenAI/agentic solutions (prompt engineering, RAG, governance patterns ...

Machine Learning Engineer (Remote)

Hiring Organisation
Understanding Recruitment
Location
United Kingdom
Salary
£ 70 K
scale production AI/LLM systems, including RAG and agentic workflowsOwn the full engineering lifecycle, from Python development through to AWS deploymentWork with Python, FastAPI, AWS, Docker, CI/CD and infrastructure-as-codeSolve real engineering challenges around reliability, observability, performance and costInfluence technical decisions, improve engineering practices and grow ...

Data Scientist

Hiring Organisation
Sirius Analysis
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Full-Time
Salary
£60,000 per annum
into technical requirements and development objectives. Python expertise covering standard data science libraries (NumPy, pandas, matplotlib, Scikit-learn, PyTorch, etc...), web frameworks (Flask or FastAPI) and visualisation (Dash, Plotly, & Streamlit). Proficient in SQL. Working with unstructured data Building customer and stakeholder relationships. Supporting and leading authoring of technical reports ...