76 to 100 of 383 Permanent FastAPI Jobs

Staff Frontend Engineer

Location
Greater London, England, United Kingdom
experience integrating frontends with REST or GraphQL APIs, with a strong understanding of service-oriented architecture, data modeling, and Python web frameworks (e.g., FastAPI, Flask, Django). Practical experience with database data flows (e.g., PostgreSQL), cloud/container infrastructure (Docker, Kubernetes), and frontend observability tools (Sentry, Datadog, OpenTelemetry). Strong ...

Manager, Senior Platform Software Engineer

Hiring Organisation
Baringa
Location
London, UK
Employment Type
Full-time
have worked across the technology stack with experience of established frameworks (e.g. React/Angular/Vue/Blazor frontends and/or FastAPI/Spring Boot/.NET backends) You have experience building and supporting different architectural approaches and are confident in justifying your technology and architectural choices. ...

Agentic AI Software Engineer

Hiring Organisation
Adecco
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
generation AI platforms, cloud native infrastructure, and intelligent agent based applications that support cutting edge scientific research. Key Skills & Experience Strong Python development experience FastAPI and backend API development Cloud platforms (GCP and/or Azure) Kubernetes, Docker, and cloud-native architectures CI/CD, Infrastructure as Code, and DevOps ...

Python Developer

Location
Reading, England, United Kingdom
ongoing platform reliability Strengthen application security, deployment practices and technical documentation We are looking for: 5+ years of commercial Python development experience, ideally including FastAPI and strong asynchronous Python Strong PostgreSQL/SQL experience alongside SQLAlchemy or SQLModel Docker, Kubernetes/OpenShift, CI/CD and automated testing with pytest ...

Python Developer - AI / LLM Platform

Hiring Organisation
Ncounter
Location
Reading, Berkshire, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £100,000 per annum
ongoing platform reliability • Strengthen application security, deployment practices and technical documentation We are looking for: • 5+ years of commercial Python development experience, ideally including FastAPI and strong asynchronous Python • Strong PostgreSQL/SQL experience alongside SQLAlchemy or SQLModel • Production experience integrating OpenAI, Azure OpenAI or comparable LLM APIs • Docker, Kubernetes ...

Python Technical Lead FinTech

Hiring Organisation
Run-Time Group Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
technical roadmap, guide architectural decisions, and ensure engineering excellence across backend services. Python Engineering Design and build robust, secure, and scalable microservices using Python (FastAPI, Django, Flask). System Architecture Lead the design of distributed systems, event-driven architectures, and high-availability platforms. Team Mentorship Coach engineers, conduct code reviews ...

AI Software Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Leicester, Leicestershire, East Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
across Engineering, Data and Product teams on new AI initiatives. Tech stack Python C#/.NET Azure or AWS OpenAI APIs LLMs Machine Learning FastAPI NET Core SQL Docker Kubernetes CI/CD What we're looking for Strong software engineering background in Python, C# or similar. Experience developing cloud ...

Founding Software Engineer Python - Start-up

Location
Greater London, England, United Kingdom
build software from scratch and iterate quickly You have strong technical skills, primarily with Python You have experience with RESTful APIs (they use FastAPI); TypeScript, React and other web technologies such as HTML5, CSS3 would be of benefit You have experience with LLMs and agentic AI, like to get your ...

Technical Lead

Location
City of Westminster, England, United Kingdom
code reviews and technical guidance. Translate business requirements into practical, scalable technical solutions. Communicate effectively with both technical and non-technical stakeholders. Python Django FastAPI AWS Docker Git REST APIs CI/CD JIRA Retrieval-Augmented Generation (RAG) AI Agents Vector Databases Prompt Engineering Amazon Bedrock About You Extensive experience ...

Lead Agentic AI Engineer

Location
City Of London, England, United Kingdom
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 Will Make You Stand Out Experience building, deploying ...

Applied AI Engineer London

Location
Greater London, England, United Kingdom
from frontend interfaces to backend APIs, databases, and deployment pipelines. Key Responsibilities Build, test, and deploy backend services and APIs ( Python/Django/FastAPI preferred , but other languages/frameworks welcome). Collaborate with founders, growth team, designers, and other engineers to deliver high-impact features. Ensure scalability, performance ...

Full Stack Software Engineer

Location
Greater London, England, United Kingdom
foundational to the future of civilization. What You'll Be Doing: Designing, developing, and deploying scalable and robust SaaS applications using Python, React, FastAPI, MongoDB, modern AWS cloud services, Terraform, and Airflow. Building and maintaining both the frontend and backend of our core product, ensuring seamless user experiences and high ...

Python Engineer - Local Authority

Location
City of Edinburgh, Scotland, United Kingdom
credential management Experience with CDK for infrastructure deployment SQS for message queuing EKS/ECS/Kubernetes for containerized AI deployments API Development: FastAPI for building REST APIs and model serving endpoints Requests library for HTTP client operations and external API integration Authentication/authorization implementation (JWT, OAuth) Software Development ...

Member of Technical Staff - AI

Location
Greater London, England, United Kingdom
stack, from frontend interfaces to backend APIs, databases, and deployment pipelines. Responsibilities Build, test, and deploy backend services and APIs ( Python/Django/FastAPI preferred , but other languages/frameworks welcome). Collaborate with founders, growth team, designers, and other engineers to deliver high-impact features. Ensure scalability, performance ...

Senior AI Software Engineer

Location
Bicester, England, United Kingdom
role. Strong full-stack software engineering capability, including backend and frontend development using modern languages and frameworks such as C#, Python, TypeScript, ASP.NET Core,FastAPI, React, Vue, Svelte or equivalent technologies. Hands-on experience with GenAI technologies, including practical use of LLMs, AI coding assistants, promptengineeringand integration of AI capabilities ...

AI & Automation Developer

Hiring Organisation
Time Recruitment Solutions Ltd
Location
Manchester, United Kingdom
Employment Type
Permanent
manage projects independently from requirements gathering through to deployment. Desirable Experience Experience with any of the following would be advantageous: React & TypeScript Python (FastAPI, Flask or similar) Node.js Electron or desktop application development SQL Server optimisation and performance tuning Workflow automation platforms such as n8n CRM integrations Microsoft Entra ...

Senior Software Engineer (Java Or Python) - VP

Location
Belfast City District, Northern Ireland, United Kingdom
application development with strong expertise in **Java or Python*** Deep experience with backend frameworks such as **Spring Boot/Spring Core** and **Flask/FastAPI*** Solid frontend experience with **modern JavaScript frameworks** (React, Angular, or Vue)* Experience designing and delivering **scalable, cloud‐native applications*** Exposure to Gen‐AI concepts including ...

Lead AI Engineer

Location
Crawley, England, United Kingdom
between technical developers and business teams, showcasing strong leadership, creativity, and ethical problem‐solving. **Technical Expertise & Tools**: Python: Advanced, production‐grade proficiency (Pandas, NumPy, FastAPI/Flask) with an absolute focus on writing clean, modular, and highly testable code. SQL: Expert querying, database design, partitioning, and optimization strategies for large ...

Software Engineer — Staff / Senior

Location
Greater London, England, United Kingdom
strong backend engineers who've built production systems with any robust framework — Java/Spring Boot, Go, Kotlin, C#/.NET, Python (Django/FastAPI) or Ruby on Rails — and can ramp into TypeScript fast. We care that you've built and operated real backends, not which language ...

Senior Software Engineer (Java Or Python) - VP

Location
Belfast City District, Northern Ireland, United Kingdom
application development with strong expertise in Java or Python Deep experience with backend frameworks such as Spring Boot/Spring Core and Flask/FastAPI Solid frontend experience with modern JavaScript frameworks (React, Angular, or Vue) Experience designing and delivering scalable, cloud‐native applications Exposure to Gen‐AI concepts including ...

Developer

Location
City Of London, England, United Kingdom
extending existing models; Bloomberg API integration to Python; data science/statistics, signal research, backtesting or factor modelling; full stack familiarity (Flask, Django, FastAPI); SaaS build/deploy on cloud (Docker, AWS or similar); an understanding of Java; and experience in quantitative finance or with financial market data. Qualifications & Experience ...

Staff Engineer

Location
Greater London, England, United Kingdom
responsibility for a codebase and keeping it healthy - from shipping features to debugging issues. Specific requirements : Backend experience with Node.js and/or Python (FastAPI, Flask) Experience with front end frameworks (React, Next.js, Typescript). Exposure to cross platform frameworks a plus (e.g. React Native). Experience deploying and operating ...

Staff Software Engineer - Agentic Workflows

Hiring Organisation
Causaly
Location
London, UK
Employment Type
Full-time
up. Preferred Qualifications Durable execution or workflow engines (Restate, Temporal, Inngest), or a comparable system you have built yourself. Python and LLM application frameworks (FastAPI, LangChain, LangGraph). Our GenAI service is written in Python and you will work in it. Observability and LLM instrumentation (OpenTelemetry, Langfuse). Multi-tenant ...

Full Stack Engineer (Investment Platform)

Location
Cirencester, England, United Kingdom
support internal business processes and workflows. Proficiency in front end app development (React/JavaScript or similar) and web framework (Flask/Django/FastAPI) Highly capable in data pipelining using tools like Airflow & DBT, and data extraction, manipulation and reporting using Python & SQL. Experience with code versioning, optimisation ...

Full Stack Engineer (Investment Platform)

Location
Greater London, England, United Kingdom
support internal business processes and workflows. Proficiency in front end app development (React/JavaScript or similar) and web framework (Flask/Django/FastAPI) Highly capable in data pipelining using tools like Airflow & DBT, and data extraction, manipulation and reporting using Python & SQL. Experience with code versioning, optimisation ...