601 to 625 of 698 FastAPI Jobs

Software Engineer I

Hiring Organisation
LOS ANGELES CAPITAL MANAGEMENT LLC
Location
Anaheim, California, United States
Employment Type
Permanent
Salary
USD Annual
Write clean, well-tested, maintainable code following team standards: type hints throughout, small focused functions, and clear naming Build and consume internal APIs (e.g., FastAPI) and well-modeled domain libraries (e.g., Pydantic), with attention to clear interfaces and separation of concerns Participate actively in code review, both giving and receiving ...

Software Engineer I

Hiring Organisation
LOS ANGELES CAPITAL MANAGEMENT LLC
Location
Long Beach, California, United States
Employment Type
Permanent
Salary
USD Annual
Write clean, well-tested, maintainable code following team standards: type hints throughout, small focused functions, and clear naming Build and consume internal APIs (e.g., FastAPI) and well-modeled domain libraries (e.g., Pydantic), with attention to clear interfaces and separation of concerns Participate actively in code review, both giving and receiving ...

Mid-Level AI Product / Creative-Tools Engineer

Hiring Organisation
eJam
Location
Santa Ana, California, United States
Employment Type
Permanent
Salary
USD Annual
another end-to-end testing framework File upload handling, or image and video asset pipelines Any Python at all - enough to read a FastAPI service and make a small change is genuinely useful here Canvas, timeline or media-editor work: Pixi, Fabric, Remotion, WebGL or comparable Exposure to MCP, tool ...

Mid-Level AI Product / Creative-Tools Engineer

Hiring Organisation
eJam
Location
Irvine, California, United States
Employment Type
Permanent
Salary
USD Annual
another end-to-end testing framework File upload handling, or image and video asset pipelines Any Python at all - enough to read a FastAPI service and make a small change is genuinely useful here Canvas, timeline or media-editor work: Pixi, Fabric, Remotion, WebGL or comparable Exposure to MCP, tool ...

Senior Software Engineer (Payments)

Location
Greater London, England, United Kingdom
expect you to know all of this on day one, but you should be excited to work with: Languages/Frameworks: Python, Django, FastAPI What We Offer Competitive salary and benefits package Discretionary performance-based bonus A truly dynamic, global environment with massive scale and exposure Continued personal development through ...

Technical Lead (Portal & Applications)

Hiring Organisation
Lightfoot
Location
Exeter, Devon, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
hiring you is your technical judgement. What’s already decided, and what’s yours The broad technology direction is agreed: Python/FastAPI for new backend services. React/TypeScript for web. React Native for mobile. AWS as the platform. Managed and serverless services where they make sense. Agentic development ...

Backend Python Engineer

Hiring Organisation
Lorien
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£450.00 per day
rate: £400 to £450 Duration: 12 months duration Location: London, Redman Place - onsite 3 days a week. IR35: Outside IR35 Backend Engineer with strong FastAPI and microservices experience, ideally gained in cloud-native environments. Exposure to AI/GenAI products is highly desirable. Candidates should be comfortable owning technical solutions … working within Agile product teams. Experience with PostgreSQL, Docker, GitHub Actions, and modern backend engineering practices is essential. Essential Skills Strong Python development experience (FastAPI, Pydantic, SQLAlchemy, Pytest). Experience with PostgreSQL, Docker, Git/GitHub, GitHub Actions, and microservices. Knowledge of Pandas, NumPy, OpenTelemetry, and cloud-native development. Strong ...

Senior Python Developer

Hiring Organisation
Henderson Scott
Location
Glasgow, Lanarkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 - 484 Daily
Senior Python Developer - Collibra - Pydantic - FastAPI - 12 month contract - Glasgow Hybrid (3 days onsite) I am looking for an experienced Python Developer with experience of Collibra to deliver robust data structures, metadata models and automation tools for our client in central Glasgow. What you'll focus on: Turning regulatory, risk ...

Lead Software Engineer Python API

Hiring Organisation
Client Server
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
Lead Software Engineer/Developer (Python FastAPI Azure Databricks) London/WFH to £110k Are you a backend focused Software Engineer with strong Python skills combined with technical/team leadership experience? You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance ...

Senior Backend Engineer - AI-Driven Finance APIs (Remote)

Location
Greater London, England, United Kingdom
Ersilia in London is seeking a Senior Backend Engineer to build production Python backends (FastAPI) powering AI features for professional investors. You will own APIs, design orchestration for agentic workflows, and work with PostgreSQL and ClickHouse, shipping features from sketch to live production. The team is small and highly impactful ...

Remote Data Pipeline Engineer (Python + React)

Location
United Kingdom
Hurdles is seeking a Software Engineer to join our Human Data Platforms team. You will build features across backend and frontend using Python/FastAPI and React, delivering robust, scalable applications. You will develop data pipelines for evaluation and model control, create OCR and search systems for PDFs and images ...

Senior Platform Engineer - Python APIs, CI/CD & Architecture

Location
Greater London, England, United Kingdom
shipped and operated across the business. You will lead design and development of core applications, build production UIs with Python-centric stacks such as FastAPI, Jinja, HTMX and Tailwind, and guide backend decisions across APIs and architecture. #J-18808-Ljbffr ...

Senior Full-Stack Engineer — AI‐Driven Fintech with Flexible Work

Location
Greater London, England, United Kingdom
moving fintech environment. You will ship web apps and automation that empower Ops—driven by data, AI, and scalable architectures. You’ll work with FastAPI, Python, and modern JS (React/Next.js), collaborating across Product, Data Science and Analytics to deliver reliable, high‐impact tooling for customer operations. #J ...

Senior AI Engineer - Generative AI & Agentic Solutions

Location
Greater London, England, United Kingdom
insights using Agentic AI, reducing prep time for client meetings and improving insight quality. The role emphasizes backend development in Python, API design with FastAPI, and cloud experience (AWS), including observability and deployment pipelines. You will work with business and technical teams to deliver scalable, production-grade code ...

Senior Python Backend Engineer – Fintech API Systems

Location
Greater London, England, United Kingdom
engineering team. You will help build and evolve the backend systems powering our wealth platform, designing secure, scalable APIs and internal tools using Python, FastAPI, SQLAlchemy, and related technologies. Collaborate with cross-functional teams, own complex problems, and deliver production-ready code with strong emphasis on maintainability, observability, and reliability. ...

Forward-Deployed AI Engineer - Rapid Prototyping to Production

Location
Greater London, England, United Kingdom
design and prototype scalable AI solutions, moving quickly from idea to PoC to production, with a hacker mindset. You will build Python APIs (FastAPI/Flask), deploy on AWS (ECS/EKS, Lambda), and work with LangChain, AutoGen, and CrewAI to deliver generative AI applications. This role emphasizes risk awareness ...

Senior Data Scientist (Forecasting & Marketing Mix Modelling)

Location
Greater London, England, United Kingdom
business problems, including model validation, performance monitoring, and communication of model limitations. Experience developing internal tools or analytical applications using frameworks such as Flask, FastAPI, or similar. Familiarity with cloud computing platforms (e.g. Google Cloud). Industry Knowledge (marketing and gaming) Understanding of game industry dynamics, including genre-specific sales ...

Lead Python Developer

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 ...

Senior Software Engineer (Search & Personalization)

Hiring Organisation
BuyWander
Location
Bellevue, Washington, United States
Employment Type
Permanent
Salary
USD Annual
Dental Insurance Unlimited PTO Annual Company Offsites 401K Requirements: WHAT YOU BRING The Tech Stack: Deep backend proficiency (we use C#/Python/FastAPI) and a solid understanding of modern frontend frameworks (we use Vue/Nuxt/Vercel). Search Expertise: Proven experience tuning search engines (Elasticsearch, Algolia ...

Feature Lead

Location
Orpington, England, United Kingdom
help: Experience in platforms similar to Quartz Lead technologist experience Risk calculation projects Expert-level proficiency in Python and related frameworks ( e.g Django, Flask, FastAPI Ability to collaborate with various technology teams across the bank Benefits of working at the company: UK Private healthcare for you and your family plus ...

Technical Lead

Hiring Organisation
Develop
Location
Central London, London, United Kingdom
Employment Type
Permanent
LLMs, RAG, agents and model APIs. Take AI ideas from rapid prototypes through to reliable production systems. Work across Python, React/TypeScript, Django, FastAPI, PostgreSQL and AWS. Improve architecture, engineering standards and delivery practices. Work closely with product, business and engineering stakeholders to solve complex problems. Mentor and support … engineers through pairing, reviews and technical guidance. Make pragmatic decisions around scalability, security, reliability and maintainability. Technology Python | React | TypeScript | Django | FastAPI | PostgreSQL | AWS | Docker | REST APIs | CI/CD | Git AI experience across LLMs, RAG, agentic workflows, embeddings, prompt design or model evaluation is particularly valuable. What Theyre Looking ...

Full Stack Engineer · London · On-site

Location
Greater London, England, United Kingdom
full-stack applications from frontend to backend. Develop high-quality user interfaces using React and Next.js. Build scalable backend services and APIs using Python (FastAPI or Django preferred). Design and optimize relational and NoSQL databases. Build reliable background workers, asynchronous processing, and distributed services. Deploy and maintain cloud-native … Looking For 5+ years of professional software engineering experience. Strong production experience with React and Next.js. Excellent backend development skills using Python. Experience with FastAPI or Django. Strong knowledge of PostgreSQL and relational databases. Experience with Redis, background workers, and asynchronous processing. Hands-on experience with Docker, Kubernetes ...

Lead Azure Engineer

Hiring Organisation
Teksystems
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £550/day
resilience patterns, scaling approaches, deployment strategies, and operational readiness. Design, build, and operate back-end services using Java (Spring Boot) and/or Python (FastAPI/Flask), covering API design with OpenAPI, performance optimisation, and security controls. Develop modern user interfaces with React, focusing on accessible design, reusable components … Java, including Spring Boot, REST APIs, testing strategies, and performance tuning. Strong hands-on experience with Python for service development and automation, preferably using FastAPI or Flask. Proven experience building and maintaining front-end applications with React, ideally using TypeScript, modern hooks, and robust front-end testing approaches. Demonstrable experience ...

Experienced Product Engineer - Full Stack

Location
Greater London, England, United Kingdom
required) Key Responsibilities On the backend, you will design, build and maintain scalable services and RESTful/GraphQL APIs using Python with Django or FastAPI, writing clean, well-tested, production-grade code with a focus on reliability and performance. You will design and implement data models working with PostgreSQL … more years, in software engineering with a strong track record of delivering production systems. You have backend proficiency in Python with Django or FastAPI, strong frontend experience with React and TypeScript including component architecture, state management and modern tooling, and a solid understanding of relational databases, PostgreSQL preferred, covering schema ...

Experienced Product Engineer - Full Stack

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
required) Key Responsibilities On the backend, you will design, build and maintain scalable services and RESTful/GraphQL APIs using Python with Django or FastAPI, writing clean, well-tested, production-grade code with a focus on reliability and performance. You will design and implement data models working with PostgreSQL … more years, in software engineering with a strong track record of delivering production systems. You have backend proficiency in Python with Django or FastAPI, strong frontend experience with React and TypeScript including component architecture, state management and modern tooling, and a solid understanding of relational databases, PostgreSQL preferred, covering schema ...