76 to 100 of 249 FastAPI Jobs

GenAI Fullstack Engineer Full Stack Engineer - Generative AI

Hiring Organisation
Sanderson Recruitment
Location
Bristol, UK
Employment Type
Full-time
active SC (Security Check) Clearance or be eligible to obtain and maintain this level of clearance. Technical ExpertiseBackend DevelopmentExperience building microservices using Python with FastAPI, TypeScript with Express, or equivalent technologies. Frontend DevelopmentExperience developing React applications using TypeScript. Familiarity with frameworks such as Next.js, Vite, or similar. Generative AI TechnologiesExperience ...

Principal, Cloud Software Engineer

Location
Cambridge, England, United Kingdom
maintain full stack web applications using Python, Java, C++ and modern frontend frameworks. Build scalable backend services and APIs using Python frameworks such as FastAPI, Flask, or Django. Develop responsive, intuitive, and secure user interfaces using React, TypeScript, JavaScript, HTML5, CSS and Tailwind. Build healthcare and research applications that support ...

Senior Software Engineer

Hiring Organisation
Absolute Business Solutions Corp
Location
Bethesda, Maryland, United States
Employment Type
Permanent
Salary
USD Annual
possess an Active Top Secret/SCI clearance and ability to obtain and maintain a Polygraph Proficiency in Python and related backend frameworks (e.g., FastAPI, Flask). Experience with containerization, especially with Docker Experience in Extraction, Transformation, and Load (ETL) Hands-on development experience in a Linux environment including bash ...

Senior Software Engineer

Hiring Organisation
Absolute Business Solutions Corp
Location
Silver Spring, Maryland, United States
Employment Type
Permanent
Salary
USD Annual
possess an Active Top Secret/SCI clearance and ability to obtain and maintain a Polygraph Proficiency in Python and related backend frameworks (e.g., FastAPI, Flask). Experience with containerization, especially with Docker Experience in Extraction, Transformation, and Load (ETL) Hands-on development experience in a Linux environment including bash ...

Senior Python Full-Stack Developer

Hiring Organisation
Nitya Software
Location
Austin, Texas, United States
Employment Type
Any
Salary
USD Annual
10+ Years Long-Term Opportunity Please share your updated resume,visa and current location Key Skills: Python Full-Stack Development Django/Flask/FastAPI React/Angular AI/ML & Generative AI LLM, Prompt Engineering & RAG LangChain/LlamaIndex Vector DB FAISS/Pinecone/PGVector Azure/ ...

Senior Python Developer - Quant Models AI Automation, Vice President

Location
Greater London, England, United Kingdom
related); Master's degree preferred. Professional software development experience, with deep expertise in Python and its data/engineering ecosystem (e.g., pandas, NumPy, FastAPI, orchestration tools). Proven track record of delivering production-grade automation, data pipelines, or testing frameworks in a complex enterprise environment; financial services experience strongly preferred. ...

Site Reliability Software Engineer (Hybrid)

Location
Greater London, England, United Kingdom
Services, Azure Functions, virtual machines, storage, networking, and monitoring Docker and Linux-based application hosting SQL Server, PostgreSQL, or SQLite IIS, Nginx, Flask, FastAPI, Django, Node.js, or similar web stacks Secure file transfer, API integrations, and healthcare system interfaces Monitoring, alerting, logging, and incident response platforms We offer an excellent ...

AI Application Developer

Hiring Organisation
MGRM
Location
Tempe, Arizona, United States
Employment Type
Permanent
Salary
USD Annual
across the application stack, including backend services, APIs, databases, and front-end interfaces. Strong programming experience with one or more of the following: Python (FastAPI or Django). Java. Node.js. TypeScript. Experience with a modern front-end framework such as React, Vue, or Angular . Experience designing or consuming REST ...

Senior Python Engineer (Full Stack)

Location
Greater London, England, United Kingdom
consider the following essential to the role: Solid 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 ...

Software Development Engineer

Hiring Organisation
Yahara Software
Location
Madison, Wisconsin, United States
Employment Type
Permanent
Salary
USD Annual
Framework JavaScript/TypeScript & modern JavaScript Frameworks (React, or similar) Postgres, Microsoft SQL Server, and other relational databases Python and Python frameworks such as FastAPI/Flask Cloud Platforms - Microsoft Azure/Amazon Web Services Web Service/API development Containerization tools (Docker, Kubernetes) Bonus Skills: Data modeling and schema ...

AI & ML Systems Engineer

Hiring Organisation
Logix Resourcing
Location
Cambridge, Cambridgeshire, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Python, PostgreSQL (with PostGIS for spatial data), Redis, or time-series databases. API & Middleware Development: Experience building robust RESTful APIs and WebSocket pipelines (using FastAPI, Flask) for streaming low-latency data and alert triggers between processing backends and Front End applications. Experience with cloud platforms (eg, AWS, Azure ...

Senior Python Engineer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£450.00 per day
cloud engineering, and language assessment. Key Skills & Experience: Strong commercial Python development experience, including object-oriented and functional programming. Strong experience with FastAPI, Pydantic, SQLAlchemy, Alembic, Pytest, and type checking. Experience with Pandas, NumPy, Jupyter, OpenTelemetry, Git/GitHub, GitHub Actions, and Docker. Experience developing microservices and/or Lambda ...

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 ...

Senior Software Engineer Python

Location
United Kingdom
environment, this role offers both autonomy and real impact. Requirements Backend Architecture & APIs (Primary Focus) Design and evolve scalable backend services in Python using FastAPI for high-availability, high-throughput workloads. Build well-versioned RESTful APIs aligned to OpenAPI/Swagger, with strong conventions for consistency, idempotency, and backward compatibility. ...

Senior Software Engineer Python

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
environment, this role offers both autonomy and real impact. Requirements Backend Architecture & APIs (Primary Focus) Design and evolve scalable backend services in Python using FastAPI for high-availability, high-throughput workloads. Build well-versioned RESTful APIs aligned to OpenAPI/Swagger, with strong conventions for consistency, idempotency, and backward compatibility. ...

Senior Software Engineer — Pricing AI (Manchester)

Hiring Organisation
Datalex
Location
Manchester, UK
Employment Type
Full-time
Kinesis/SQS for streaming and queue-based integration — including customer-facing "bring your own stream" pipelines. Develop robust RESTful APIs and services (FastAPI) that expose pricing and data functionality. Ensure they are secure, well-documented, and performant at scale. Write and maintain comprehensive tests using PyTest. Ensure new features ...

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 ...

Senior Engineer - Payments

Location
Greater London, England, United Kingdom
delivery. What You’ll Bring Track Record: 5+ years building high-performance, client-facing web applications. Backend Expertise: Deep hands-on experience with Python , FastAPI , PostgreSQL , Redis , and secure RESTful APIs. Frontend Proficiency: Mastery of TypeScript , React , Jest , and Storybook . (Experience with Micro-Frontends is a massive bonus). ...

Senior Full Stack Software Engineer

Location
Greater London, England, United Kingdom
technology stack consists of: React Native mobile applications React web applications GraphQL layer using Apollo Server and Apollo Client Python services running Flask and FastAPI Kubernetes based microservice architecture running on Google Cloud Platform Cloud Postgres and Google BigQuery datastores with DBT data transformations Google PubSub and MQTT messaging Terraform ...

Senior Engineer - Payments

Location
Greater London, England, United Kingdom
years of professional software development experience with a proven track record of building high-performance, client-facing web applications. Backend Stack: Proficient with Python, FastAPI, PostgreSQL, Redis, and designing secure REST APIs. Frontend Stack: Proficient with TypeScript, React, Jest, and Storybook. Experience with Micro Frontends (MFEs) is a major plus. ...

Senior Software Engineer (Machine Learning)

Location
West of England, England, 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 August 6, 2026

Location
Glasgow, Scotland, United Kingdom
design discussions, ADRs, process improvements, and workstream planning. What You’ll Bring Core Significant commercial software engineering experience. Strong Python, with production experience in FastAPI, Django, Flask, or similar. PostgreSQL fluency, schema design, query optimisation, and ORM frameworks such as SQLAlchemy/SQLModel. Commercial experience with TypeScript and React ...

Software Architect

Location
Greater London, England, United Kingdom
with Python and Django on a service‐oriented architecture deployed at scale on Kubernetes. The rest of the tech stack includes Django REST Framework, FastAPI, PostgreSQL, AWS, React.js, Docker, Redis, Celery, Pandas, NumPy, Git, Jenkins, and Elasticsearch. We put significant emphasis on design patterns, code readability, automated testing, maintainability ...

Senior Software Engineer - Backend

Hiring Organisation
Fitch Ratings
Location
London, UK
Employment Type
Full-time
technical engineers. Demonstrated experience delivering enterprise-scale software platforms, APIs, and distributed systems. Strong proficiency in C++, Java (Spring Boot), and/or Python (FastAPI or similar), with the ability to guide engineering teams on architecture, design, and implementation. Experience designing, building, and supporting RESTful APIs and microservices-based architectures. ...

Senior Software and AI Engineer

Hiring Organisation
CoreWeave
Location
Sunnyvale, California, United States
Employment Type
Permanent
Salary
USD Annual
TypeScript, Python, Go, C++, C#, or Java , specifically for delivering production-grade cloud services. Full-Stack Proficiency: Proven expertise in modern backend (e.g., FastAPI, gRPC ) and frontend technologies (e.g., React, Next ), including the development of scalable backend services in Node.js and Go. AI/LLM Experience: Solid familiarity with Generative ...