101 to 125 of 158 FastAPI Jobs

Senior Software Engineer - Agent Evaluation - Freelance/Remote 100 openings

Hiring Organisation
Braintrust
Location
Boston, Massachusetts, United States
Employment Type
Permanent
Salary
USD Annual
scratch - the agent writes most of the code; you guide and evaluate What we look for 5 years in software development Core stack: Python (FastAPI), JavaScript/TypeScript (React), Docker, Postgres, Kafka, Redis Experience writing tests (functional, integration) English proficiency - B2 Why this is hard Frontier models are already good ...

Senior Software Engineer - Agent Evaluation - Freelance/Remote 100 openings

Hiring Organisation
Braintrust
Location
New York, United States
Employment Type
Permanent
Salary
USD Annual
scratch - the agent writes most of the code; you guide and evaluate What we look for 5 years in software development Core stack: Python (FastAPI), JavaScript/TypeScript (React), Docker, Postgres, Kafka, Redis Experience writing tests (functional, integration) English proficiency - B2 Why this is hard Frontier models are already good ...

Senior Data Scientist

Hiring Organisation
17918
Location
United Kingdom
translating customer requirements intotechnical requirements and development objectives. Pythonexpertisecovering standard data sciencelibraries (NumPy, pandas, matplotlib, Scikit-learn,PyTorch, etc),web frameworks (Flask or FastAPI) and visualisation(Dash,Plotly,&Streamlit). Proficient inSQL. Working with unstructured data Building customer and stakeholder relationships. Supporting and leading authoring of technical reports and presenting ...

Senior Data Scientist

Hiring Organisation
Sirius Analysis Limited
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
benefits, pension (7% contribution), 25 days holiday & life insurance
translating customer requirements intotechnical requirements and development objectives. Pythonexpertisecovering standard data sciencelibraries (NumPy, pandas, matplotlib, Scikit-learn,PyTorch, etc),web frameworks (Flask or FastAPI) and visualisation(Dash,Plotly,&Streamlit). Proficient inSQL. Working with unstructured data Building customer and stakeholder relationships. Supporting and leading authoring of technical reports and presenting ...

Applied AI Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Required Qualifications 5-8+ years of experience building production AI/ML systems Modern Python proficiency with deep knowledge of the ecosystem (Pydantic, FastAPI, asyncio, type safety) Experience with modern AI frameworks (we currently favour Pydantic AI) Production experience maintaining human-in-the-loop systems and AI monitoring/ ...

Backend Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
LLMs - agents, RAG, evals and tooling such as MCP. An active interest in DevOps and Machine Learning. Experience with frameworks like Django, Flask or FastAPI, Elasticsearch or similar NoSQL technologies, and relational databases. Experience with large-scale data processing, including self-hosted or bare-metal environments. What We Offer ...

Senior Software Engineer – GenAI, Cloud & Hybrid

Hiring Organisation
Jobleads-UK
Location
Belfast City District, Northern Ireland, United Kingdom
Python) to co-create and evolve financial software platforms. You will work on full-stack development, applying Spring Boot/Spring Core, Flask/FastAPI, and modern JavaScript frameworks to deliver scalable cloud-native applications. You will collaborate with cross-functional teams, mentor junior engineers, and ensure robust coding practices ...

Senior Software Engineer - AI-Powered F1 Cloud & Apps

Hiring Organisation
Jobleads-UK
Location
Bicester, England, United Kingdom
Audi Motorsport Technology Centre UK in Bicester. You will work with modern languages such as C#, Python, TypeScript and frameworks like ASP.NET Core, FastAPI, React, Vue or Svelte. #J-18808-Ljbffr ...

Senior Python Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
experience within enterprise environments Excellent SQL and data processing skills, including Pandas/NumPy Experience building APIs and backend services using frameworks such as FastAPI, Flask or Django Previous exposure to trading, risk, PnL or capital markets environments Experience with large-scale data processing, cloud platforms or investment banking systems ...

Applied Scientist (Machine Learning)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
operating machine learning systems in production. Model serving, inference pipelines or GPU-based workloads. Docker, Linux and CI/CD pipelines. API development using FastAPI or similar frameworks. Deploying software in on-premise, edge or customer-hosted environments. Monitoring, logging and production observability. Desirable Skills Kubernetes. MLflow, Weights & Biases ...

AI Technical Project Manager / AI Program Manager

Hiring Organisation
BC Forward
Location
Chicago, Illinois, United States
Employment Type
Permanent
Salary
USD 6,769 Annual
delivering AI/ML or LLM-based solutions. Preferred Skills: Experience with GenAI, agentic systems, LangChain or LangGraph, and RAG pipelines. Familiarity with Python, FastAPI integration patterns, vector and relational database basics, and LLM evaluation metrics including quality, safety, latency, and cost. Exposure to LLMOps or MLOps practices including observability ...

Senior Backend Engineer for AI‐Driven Systems (Remote)

Hiring Organisation
Jobleads-UK
Location
Glasgow, Scotland, United Kingdom
maintainable solutions that power our AI‐driven products and client deployments. Key Responsibilities Design, build, and maintain high‐performance backend API services using Python, FastAPI, and Pandas. Develop clean, well‐documented RESTful and asynchronous APIs following best practices. Ensure APIs are scalable, secure, and optimized for performance in production environments. … experience delivering production‐grade backend systems at scale. Core Technical Skills Strong proficiency in Python as a primary backend language. Hands‐on experience with FastAPI and Pandas for building data‐driven API services. Solid experience with PostgreSQL – schema design, query optimization, and migrations. Experience with RabbitMQ or similar message brokers ...

Senior AI Engineer

Hiring Organisation
47Billion
Location
Alpharetta, Georgia, United States
Employment Type
Permanent
Salary
USD 120,000 Annual
Experience: 8+ Years Key Responsibilities Design, build, and deploy Python-based AI/LLM applications using FastAPI/Flask. Develop REST APIs and scalable enterprise solutions. Build AI-powered data analytics and self-service platforms. Optimize data pipelines for performance and scalability. Collaborate with Risk stakeholders to deliver AI-driven ...

Senior ML Engineer - Enterprise AI Platform Delivery

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
operate MCP-based platforms and collaborate with product teams to deliver reliable AI tooling. The role requires strong Python, expertise with LLM frameworks, FastAPI, and Kubernetes, plus experience with RAG and tool orchestration in an enterprise setting. #J-18808-Ljbffr ...

Senior Python Engineer — Architect AI Data Platform

Hiring Organisation
Jobleads-UK
Location
Glasgow, Scotland, United Kingdom
platform connecting data mesh and AI tools, designing ingestion pipelines to governed retrieval services, and mentoring teammates. You will work hands-on with Python, FastAPI APIs, CI/CD, and cloud infrastructure, shaping architecture while collaborating across engineering, product, and data science. #J-18808-Ljbffr ...

Technical Lead (Python/React)

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
offering the opportunity to influence both product direction and engineering culture. Key Requirements Strong software engineering background with leadership experience. Advanced Python development skills (FastAPI desirable). Experience with SQL, cloud infrastructure, CI/CD, and scalable systems. Exposure to React/TypeScript is advantageous. Experience within SaaS, cybersecurity ...

Technical Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Tech Strategy for a Profitable FinTech Scale-Up Hybrid (London) or remote within the UK £150,000 per annum plus stock options Python | Django | FastAPI | AWS | Rust | Postgres | Event-Driven Architecture | Machine Learning Technical Lead - We're working with a leading fintech scale-up that’s transforming how small businesses ...

Senior Software Engineer, Unified Platform - Digital Assets

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
wallet platforms (or closely adjacent high-stakes money-movement systems) DeFi, smart contracts, staking, or other on-chain systems Full-stack development with Python (FastAPI) Strong relational data modeling fundamentals GitOps and Kubernetes Job orchestration systems (Airflow, Prefect, etc.) For more information about DRW's processing activities ...

Staff Private Cloud Engineer

Hiring Organisation
Jobleads-UK
Location
Cambridge, England, United Kingdom
environments. Own and drive IaC (Terraform, Ansible) practices by defining reusable IaC modules and patterns for reliable and repeatable builds. Develop platform services, APIs (FastAPI) and automation using Python. Drive improvements in reliability, scalability and performance. Lead incident response, fixing and root cause analysis. Work across compute, networking and storage ...

IT Project Manager (AI)

Hiring Organisation
Genesis10
Location
Chicago, Illinois, United States
Employment Type
Permanent
Salary
USD 6,570 Hourly
lifecycle experience Risk & Controls management Stakeholder Management Jira, Confluence, ServiceNow (Knowledge & Change) RAID & dependency management Budget & vendor coordination Desired skills: Familiarity with Python and FastAPI integration patterns LangChain/LangGraph concepts RAG workflows Vector & relational database basics Large Language Model (LLM) evaluation metrics (quality, safety, latency, cost) Pay range: $57.70 ...

AI - Full Stack Engineer

Hiring Organisation
BC Forward
Location
Dallas, Texas, United States
Employment Type
Permanent
Salary
USD 8,888 Annual
build modern frontend applications using React or Angular with TypeScript, component-driven architecture, and state management. Develop backend services and APIs using Python (FastAPI preferred) with secure, scalable REST and real-time communication via WebSockets or streaming. Own end-to-end stack layers including APIs, data access, and user interfaces … years of full stack software engineering experience. Strong frontend experience with React or Angular using TypeScript. Solid backend development with Python frameworks such as FastAPI, Flask, or Django. Proven delivery of production-grade APIs and microservices with async programming and distributed systems concepts. Experience with agentic AI concepts such ...

Software Engineer, Full-Stack Applications - Ratings Technology

Hiring Organisation
Fitch Group
Location
Manchester, United Kingdom
Employment Type
Full Time
shape technical decisions We'll Count on You To: • Develop and maintain full-stack applications – Build robust, scalable applications using Java/Springboot, Python (FastAPI/Flask), and ReactJS following best practices and design patterns • Contribute to the development lifecycle – Write clean, maintainable code, implement CI/CD pipelines with … patterns, SOLID principles, algorithms, data structures, and ability to write clean, maintainable code • Backend Development – Proficiency in Java, Spring Boot, Maven, and Python (Pandas, FastAPI, Flask) for building enterprise applications, data processing, and API development • Frontend Development – Experience with ReactJS, Node.js, TypeScript/JavaScript, and modern web development practices • Database ...

MongoDB SRE: Build Resilient, Automated Systems

Hiring Organisation
Jobleads-UK
Location
Knutsford, England, United Kingdom
tools, and automation platforms like Ansible or Chef. Monitoring systems with Prometheus, Grafana, ELK stack, and running containers with Kubernetes. Building APIs with FastAPI and supporting scalable, high-performance systems. You may be assessed on the key critical skills relevant for success in role, such as risk and controls, change ...

Principle Platform Engineer - Backend Production Expert

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
implementation credibility is relevant. Required experience: 8+ years of professional software engineering experience, including ownership of production backend systems. Expert-level Python engineering experience. FastAPI, Pydantic, asyncio, SQLAlchemy or equivalent frameworks are highly relevant. Strong PostgreSQL experience, including schema design, migrations, indexing, transactional semantics and operational performance. Experience designing secure ...

Lead Python Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
scaling business Knowledge of FCA compliance/Financial Services/regulated environment preferred Highly motivated to learn about Fundment’s products Technical Expertise: Python: FastAPI, Pydantic, SQLAlchemy, PyTest, Pandas, Numpy Cloud: Experience supporting production systems Security & Compliance: Familiar with secure coding and regulated environments Values Collaborative – Deliver as a team ...