51 to 75 of 383 Permanent FastAPI Jobs

Full Stack Developer

Hiring Organisation
Version 1
Location
London, UK
Employment Type
Full-time
technology. QualificationsExperience of working in a Scrum Team and an Agile environmentDesign, build and support scalable and secure full-stack web applications using Python (FastAPI)Exposure to front-end development using React/Typescript. Support and enhance existing web applications to ensure stability and performance. Work with business and technical ...

Full Stack Developer

Hiring Organisation
Version 1
Location
Birmingham, UK
Employment Type
Full-time
technology. QualificationsExperience of working in a Scrum Team and an Agile environmentDesign, build and support scalable and secure full-stack web applications using Python (FastAPI)Exposure to front-end development using React/Typescript. Support and enhance existing web applications to ensure stability and performance. Work with business and technical ...

Full Stack Developer

Hiring Organisation
Version 1
Location
Newcastle upon Tyne, UK
Employment Type
Full-time
technology. QualificationsExperience of working in a Scrum Team and an Agile environmentDesign, build and support scalable and secure full-stack web applications using Python (FastAPI)Exposure to front-end development using React/Typescript. Support and enhance existing web applications to ensure stability and performance. Work with business and technical ...

Senior Software Engineer

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Design (SbD) frameworks. 2. Full-Stack Engineering (Web & APIs) 4+ years of production experience with modern Web stacks (TypeScript, React, Node.js, or Python/FastAPI). Strong API design experience (REST, GraphQL, gRPC, WebSocket) and relational/non-relational database design (PostgreSQL, SQLite). 3. Systems & Mobile Architecture (Android ...

Software Engineer, Enterprise

Hiring Organisation
Scale AI
Location
London, UK
Employment Type
Full-time
distributed services, reliability, and scalability. Proficiency in Python or TypeScript, with experience designing high-performance APIs and backend architectures using frameworks such as FastAPI, Flask, Express, or NestJS.Deep familiarity with cloud infrastructure (AWS and Azure preferred), including container orchestration (Kubernetes, Docker) and Infrastructure-as-Code tools like Terraform. Experience managing ...

Forward Deployed Engineer

Location
West of England, England, United Kingdom
Python or TypeScript using clean architecture, OOP, SOLID and DDD Ship full‐stack apps, APIs, agents and workflows with tools like Next.js, React, FastAPI, Fastify, FastMCP and Hono Architect production‐grade agentic applications with LangGraph, AutoGen, Claude Agent SDK, OpenAI Assistants or your own orchestration layer Integrate frontier and self ...

Senior ML Software Developer (Brahma AI - A DNEG Dedicated Unit of Brahma)

Hiring Organisation
DNEG
Location
London, UK
Employment Type
Full-time
integration), C++17 (performance-critical components), TypeScript/JavaScript (web UIs).Web front-end: React (or Vue), modern build tooling, REST/GraphQL clients. Services: FastAPI/Flask, gRPC/containerized on Linux. Build/packaging: CMake; setuptools/pip/poetry; RPM/deb where appropriate. VCS/ ...

BXTI - Liquid Credit, Full Stack Software Engineer, Associate

Location
Greater London, England, United Kingdom
highly scalable microservices architecture deployed on a cloud-hosted containerized environment. Key technologies in our stack include C#, React/Angular, Typescript, FastAPI, Python, Terraform, SQL, AWS ECS, AWS Lambda, AWS DynamoDB , AWS SNS/SQS, CI/CD tooling (e.g., Gitlab Runners), and data warehouse solutions like Snowflake.**Qualifications ...

Lead Software Engineer - Solution & Data Architecture - B2B SaaS Fintech

Location
Greater London, England, United Kingdom
Kotlin, Java 17+, Spring Boot & Co, JPA/Hibernate, SQL and NoSQL, Elasticsearch, Gradle, JUnit/AssertJ/MockK Metrics, analytics and AI: Python, FastAPI, Polars, LangChain Frontend: React (TanStack Query/React Router/react-hook-form + Zod), TypeScript, nx.dev, Tailwind CSS/shadcn/ui, Vitest/ ...

Python/React Developer

Hiring Organisation
Mphasis
Location
London Area, United Kingdom
best coding practices. Work within Agile/Scrum development environments. Troubleshoot and resolve production issues. Required Skills Backend Strong experience with Python Experience with FastAPI , Flask , or Django REST API and Microservices development Object-Oriented Programming (OOP) SQL and database design Frontend Strong knowledge of React.js JavaScript (ES6+), TypeScript HTML5 … skills. Experience working in enterprise-scale environments. Ability to work independently and in cross-functional teams. Exposure to Agile delivery methodologies. Keywords: Python, React.js, FastAPI, Flask, Django, TypeScript, AWS, Azure, Docker, Kubernetes, CI/CD, PostgreSQL, Microservices, REST APIs. ...

Senior Fullstack Engineer: Build Scalable Microservices

Location
England, United Kingdom
stack, from API design to production performance. What you'll do Build and maintain scalable microservices (REST, gRPC, GraphQL) and API endpoints in Python (FastAPI/Flask) Develop and maintain React frontends, including state management with Redux or React Query Optimise SQL/NoSQL databases (PostgreSQL, MySQL, MongoDB) for performance ...

Senior Developer

Location
United Kingdom
Oauth2.0, credential and identity management Navigate delivery of live + timeseries based data analysis pipelines alongside integration with WebSockets and messaging Knowledge of Python, FastAPI and UV-based package management Good experience of git and trunk-based workflow management Degree in engineering, mathematics, physical sciences, computer science, data science ...

Full-Stack Developer & Development Team Lead

Location
Greater London, England, United Kingdom
authentication systems. Understanding of GDPR, accessibility, and secure software development. Experience integrating applications with AI/ML or LLM-based services. Familiarity with Python, FastAPI, or related technologies. Experience with vector databases, knowledge graphs, or AI application architectures. Experience mentoring developers and improving development standards and processes. Educational Requirements Bachelor ...

Senior Full Stack Developer - Downdetector Connect

Location
Greater London, England, United Kingdom
workflows into production applications. Job Qualifications: 5 to 8 years of professional software engineering experience. Experience in mentoring or leadership. Strong proficiency in Python (FastAPI or Django) and experience designing scalable RESTful APIs. Proficient in React and Redux with hands‐on experience building complex, data‐heavy web applications. Hands ...

Full Stack Software Engineer

Hiring Organisation
Faculty
Location
London, UK
Employment Type
Full-time
paired with a strong eye for intuitive UI/UX design. You possess solid backend development skills in Python or TypeScript frameworks (such as FastAPI, Flask, or Django) and are comfortable managing the full application lifecycle. You are experienced in deploying software within cloud environments like AWS, Azure ...

Sr Associate Engineer/Engineer, IT Software

Hiring Organisation
American Airlines
Location
Fort Worth, Texas, United States
Employment Type
Permanent
Salary
USD Annual
training Airline Industry experience Skills, Licenses & Certifications Experience with the following technologies: Programming Languages: Java, Python, C#, Javascript/Typescript Frameworks: Spring/SpringBoot, FastAPI Front End Technologies: Angular/React Deployment Technologies: Kubernetes, Docker Source Control: GitHub, Azure DevOps CICD: GitHub Actions, Azure DevOps Data management: PostgreSQL, MongoDB, Redis ...

Senior Software Developer

Hiring Organisation
Stantec
Location
London, UK
Employment Type
Full-time
Required QualificationsExperience: 5+ years of professional software development experience. Python Mastery: Expert-level knowledge of Python and at least one mainstream framework (e.g., Django, FastAPI, or Flask).Front-End Proficiency: Highly desirable experience with Angular, HTMX, and Alpine.js. You should be comfortable choosing the right tool for the specific ...

Senior Software Engineer (Machine Learning) New Exeter, Bristol

Location
United Kingdom
responsibilities within your competence to support our growth. Required Skills & Experience: Significant industry experience in (scientific) software development Proven experience building production APIs with FastAPI (or similar async Python frameworks) Strong working knowledge of modern machine learning — able to understand, integrate, and extend the functionality of an ML library (NumPy ...

Senior Software Engineer, Full Stack - AI

Hiring Organisation
Fitch Ratings
Location
Manchester, UK
Employment Type
Full-time
stores, RAG, and LLM integration/fine-tuning (OpenAI, LLaMA, Cohere, etc.)Strong coding in Python and experience with frameworks/tools such as FastAPI, PyTorch/TensorFlow, MLflow;3-5+ years of experience in designing and developing scalable web applications using modern front-end frameworks such as React ...

Senior 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 ...

Engineer/Sr Engineer, IT Software

Hiring Organisation
American Airlines
Location
Tulsa, Oklahoma, United States
Employment Type
Permanent
Salary
USD Annual
training Airline Industry experience Skills, Licenses & Certifications Proficiency with the following technologies: Programming Languages: Java, Python, C#, Javascript/Typescript Frameworks: Spring/SpringBoot, FastAPI Front End Technologies: Angular/React Deployment Technologies: Kubernetes, Docker Source Control: GitHub, Azure DevOps CICD: GitHub Actions, Azure DevOps Data management: PostgreSQL, MongoDB, Redis ...

AI Consulting –Sr. AI Architect & Client Partner

Location
Greater London, England, United Kingdom
field. Master’s preferred. Skills and Personal attributes we would like to have: Core Knowledge Expected Programming & engineering : expert Python; REST APIs and microservices; FastAPI; distributed systems; cloud-native architecture. LLM application delivery: prompt engineering, tool and function calling, RAG, and at least one production Agentic AI system. Cloud ...

Python/AIML Developer - Software Engineer III

Location
Glasgow, Scotland, United Kingdom
training or certification in software engineering concepts, plus 5+ years of applied experience building production Python systems, including web/API services (Flask or FastAPI) and the ML/NLP ecosystem (scikit-learn, pandas, NumPy, spaCy, PyTorch or TensorFlow). Demonstrated experience taking machine learning models from prototype to production ...

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

Location
Greater London, England, United Kingdom
have worked across the technology stack with experience of established frameworks (e.g. React/Angular/Vue/Blazor frontends and/or FastAPI/SpringBoot/.NET backends). You have experience building and supporting different architectural approaches and are confident in justifying your technology and architectural choices. ...