1 to 25 of 109 Permanent FastAPI Jobs in London

experience in Python development or related software engineering roles. Python Proficiency: Strong knowledge of Python, including experience with web frameworks like Django , Flask , or FastAPI . Database Management: Solid experience with relational databases like PostgreSQL or MySQL and familiarity with NoSQL databases like Redis . Distributed Systems: A basic understanding More ❯

with a strong focus on building scalable, high-performance systems. Technical Skills: Python expertise, with hands-on experience building backend services and APIs using FastAPI, Flask or similar. A solid understanding of microservices architecture, event-driven systems, and service-oriented design patterns. In-depth knowledge of SQL databases (e.g., PostgreSQL More ❯

or equivalent work experience Bonus Points Additional skills that would be beneficial include: Experience in a startup environment Knowledge of Python frameworks (Django, Flask, FastAPI), Rust, and machine learning libraries Familiarity with Generative AI, MLOps, CI/CD, and cloud platforms (AWS/GCP/Azure) Expertise with container tools More ❯

in a fast-paced environment Continuously learning and growing as part of a supportive, dynamic team Tech You’ll Use Languages: Python (Django, Flask, FastAPI) Databases: PostgreSQL, MongoDB, Redis DevOps: Docker, Kubernetes, CI/CD pipelines Cloud: AWS/GCP Bonus: Familiarity with front-end tech (React/TypeScript), media More ❯

in a fast-paced environment Continuously learning and growing as part of a supportive, dynamic team Tech You’ll Use Languages: Python (Django, Flask, FastAPI) Databases: PostgreSQL, MongoDB, Redis DevOps: Docker, Kubernetes, CI/CD pipelines Cloud: AWS/GCP Bonus: Familiarity with front-end tech (React/TypeScript), media More ❯

and CI/CD. Experience in managing cloud services like Google Cloud and AWS. Bonus points Startup experience Experience with Python web services (e.g. FastAPI, Django). Data engineering experience using PyData stack technologies (e.g. NumPy, Pandas, etc.) Experience building machine learning systems with LLMs, RAGs utilising embeddings. Technology Frontend More ❯

such as Kafka Expertise in database systems including Redis, Elasticsearch, Neo4j, and PostgreSQL Proficiency in developing APIs using a backend framework (such as Django, FastAPI, Flask, or Express) Commercial experience in front-end development including at least one web development framework, preferably Vue.js Be comfortable with Unix systems Strong problem More ❯

ongoing system enhancements. Required Skills & Qualifications: 5+ years of experience in data engineering, backend development, or AI/ML integration. Strong knowledge of Python, FastAPI, Flask, or Node.js for backend API development. Experience with LLM-based architectures, retrieval-augmented generation (RAG), and NLP techniques. Proficiency in SQL, Redshift, and data More ❯

trends and technologies to keep the tech stack efficient. Requirements: Proven experience as a Full Stack Engineer Expertise in back-end (Python, Typescript, Node.js, FastAPI) and front-end (NextJS, React) technologies. Familiarity with cloud services (AWS, Azure, Google Cloud), containerization tools (Docker, Kubernetes), and CI/CD pipelines. Location: Hybrid More ❯

trends and technologies to keep the tech stack efficient. Requirements: Proven experience as a Full Stack Engineer Expertise in back-end (Python, Typescript, Node.js, FastAPI) and front-end (NextJS, React) technologies. Familiarity with cloud services (AWS, Azure, Google Cloud), containerization tools (Docker, Kubernetes), and CI/CD pipelines. Location: Hybrid More ❯

quality software in small, incremental steps. Foster technical excellence to maintain and enhance team agility. Requirements: Proven experience in Python application development (experience with FastAPI is a plus). Relevant qualifications (BSc in Computer Science, Software Development certifications, or equivalent experience). 3+ years of experience in developing and configuring More ❯

data scientists, software engineers, and product managers to align AI solutions with commercial goals. Financial services experience is desired but not essential. API development (FastAPI, Flask) Tech stack : Azure, Python, Databricks, Azure DevOps, ChatGPT, Groq, Cursor AI, JavaScript, SQL, Apache Spark, Kafka, Airflow, Azure ML, Docker, Kubernetes and many more. More ❯

data scientists, software engineers, and product managers to align AI solutions with commercial goals. Financial services experience is desired but not essential. API development (FastAPI, Flask) Tech stack : Azure, Python, Databricks, Azure DevOps, ChatGPT, Groq, Cursor AI, JavaScript, SQL, Apache Spark, Kafka, Airflow, Azure ML, Docker, Kubernetes and many more. More ❯

scalable mobile APIs (REST, HTTPS, etc.). Good principles of security management (secrets, protocols, etc.). Experience with some Python web frameworks (Django, Flask, FastAPI, etc.). CAP. Skills nice to have: Speak or learn to speak more than one language. Experience with real-time databases. Experience with in-memory More ❯

and owning the delivery of significant functionality, ideally having worked with peers of different levels to complete projects collaboratively. Our technology stack: Python (including FastAPI, OpenTelemetry, procrastinate, SQLAlchemy, Uvicorn), Postgres, MySQL, Liquibase, Retool, Docker, AWS Who you are: Seven or more years professional experience in software engineering Proven experience leading More ❯

but if you can bring in expertise within the frameworks below then this company are interested in speaking with you: Python/Flask/FastAPI Terraform/GCP/AWS React/JavaScript/TypeScript Understanding of AI & ML and how to apply this to a product engineering role. If More ❯

but if you can bring in expertise within the frameworks below then this company are interested in speaking with you: Python/Flask/FastAPI Terraform/GCP/AWS React/JavaScript/TypeScript Understanding of AI & ML and how to apply this to a product engineering role. If More ❯

help build the engineering team. Required Skills and Qualifications: Significant experience in API and web application development using Python with Flask and/or FastAPI Experience with creating REST APIs Experience with Cloud Functions, ideally in Google Cloud/Terraform Experience with containerisation - Docker/Kubernetes Ability to design architectures More ❯

experience aligning backend APIs with frontend needs is essential. Ideal Candidate: 5+ years of Python expertise, with deep knowledge of Flask (or Django/FastAPI with repository pattern experience). Strong familiarity with JavaScript, TypeScript, and React Proven track record in system refactoring, modular design, and scalable architecture. Financial services More ❯

experience aligning backend APIs with frontend needs is essential. Ideal Candidate: 5+ years of Python expertise, with deep knowledge of Flask (or Django/FastAPI with repository pattern experience). Strong familiarity with JavaScript, TypeScript, and React Proven track record in system refactoring, modular design, and scalable architecture. Financial services More ❯

design, implementation and support. Experience with multiple AWS Services. Infrastructure as Code deploying cloud infrastructure using Terraform or Cloudformation. Knowledge of Python (Flask/FastAPI/Django) Demonstrated expertise in the process of containerization for applications and their subsequent orchestration within Kubernetes environments. Experience working on at least one monitoring More ❯

Key Requirements: Minimum 3-5 years of relevant industry experience with prior startup exposure Proficiency in Python and JavaScript; familiarity with frameworks such as FastAPI, Express.js, and React Strong understanding of REST APIs, WebSockets, and webhook integrations Experience with Git and GitHub for collaborative development Knowledge of cloud infrastructure, preferably More ❯

Key Requirements: Minimum 3-5 years of relevant industry experience with prior startup exposure Proficiency in Python and JavaScript; familiarity with frameworks such as FastAPI, Express.js, and React Strong understanding of REST APIs, WebSockets, and webhook integrations Experience with Git and GitHub for collaborative development Knowledge of cloud infrastructure, preferably More ❯

components library. Fast iteration of features with the customer, before converting them into maintainable, production-ready artefacts. Backend Development: Build and maintain RESTful APIs (FastAPI) and micro services in Python to serve Large Physics Models to the end users. Working with other software engineers in our platform team, deploy these More ❯

where youll be responsible for developing scalable, high quality backend software products and mentoring junior developers Essential: Strong experience in Python backend development (Flask, FastAPI, or similar) Proven ability to design and build REST APIs. Experience with Cloud Functions and Cloud Runs Proficiency with containerisation tools like Docker/Kubernetes More ❯