51 to 75 of 114 FastAPI Jobs in London

days on paper, currently much more flexible) • Location: Tower Hill, London • Tech stack: Python, GCP, Vertex AI, Kubernetes (GKE), Kubeflow, Docker, Terraform/Pulumi, FastAPI, PostgreSQL, BigQuery, PyTorch, LLMs, Vector Databases • Visa sponsorship: cannot sponsor Interested? Please apply below. ...

deliver features that delight and scale. You should have 5+ years of experience developing production-grade backend systems and APIs. Strong skills in Python (FastAPI or similar) and modern cloud infrastructure. Deep understanding of system design, scalability, and reliability . A product-oriented mindset — you design with end users ...

vector databases, embeddings, or RAG pipelines Any open-source contributions, Kaggle competitions, or personal ML projects Exposure to MLOps tools and deployment workflows (Docker, FastAPI, etc.) What's on Offer £35,000 – £45,000 base salary depending on experience Roles across London and hybrid-friendly companies Fast-moving environments where ...

productivity across the bank. This role is perfect for someone who enjoys combining modern software engineering with emerging AI technologies. Tech & Projects Include: Python (FastAPI/Flask) JavaScript, REST APIs & SQL Server AI & LLM applications RAG pipelines & agentic AI workflows Locally hosted open-source LLMs Microsoft Power Platform LangChain, LangGraph ...

communication skills and the ability to flourish in a team Located in London/Paris and open to working in office Tech Stack: Python FastAPI Python, Typescript, or React Open source LLMs Building for production Benefits Currently Offered (likely to improve as company grows): 100% coverage for travel expenses Childcare ...

networking) — ideally including incidents you owned end-to-end. Terraform in anger — modular, reviewed, version-controlled. Comfortable debugging Python services (FastAPI or similar) in production — from container, to ALB, to DNS, to security group. Docker fluency: building lean images, debugging missing tools (yes, curl), and reasoning about healthchecks, lifecycle hooks ...

projects such as NER, table extraction, OCR integrations, or GNN solutions. Familiarity with orchestration and deployment tools: Airflow, Redis, Flask/Django/FastAPI, SQL, R‐Shiny/Dash/Streamlit. Openness to evaluate and adopt emerging technologies and programming languages as needed. Public contributions or demos on GitHub, Kaggle ...

Maintain high-quality technical documentation and engineering standards. Required Experience Technical Skills 8+ years of commercial backend engineering experience. Strong Python development experience, including FastAPI, Flask or similar frameworks. Proven experience building and scaling backend services and APIs. Strong understanding of microservices architectures and event-driven systems. Experience designing … building serverless applications using AWS Lambda. Exposure to Agile delivery environments and Jira. AWS certifications or equivalent cloud certifications. Tech Stack Languages & Frameworks Python FastAPI Flask Cloud & Infrastructure AWS Docker ECS Kubernetes Terraform CloudFormation Architecture Microservices Event-Driven Systems REST APIs GraphQL gRPC Databases PostgreSQL MySQL MongoDB DevOps & Monitoring GitHub ...

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 ...

Salary: £60,000 - £85,000 + meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 2/3 days in office 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering team within the AI space. The platform is being used ...

products and workflows, and uses modern AI tools to accelerate engineering and innovation.What you'll do Design and build scalable backend services in Python (FastAPI or similar). Own cloud infrastructure across AWS (GCP experience a bonus). Build secure APIs, event-driven systems and low-latency services. Deliver resilient ...

core to how they work. Tech Stack Expert Python, advanced SQL, deep Linux knowledge PostgreSQL, Snowflake Apache Kafka, Apache Airflow Django, Flask or FastAPI TDD, BDD, pair programming Java familiarity a plus What They Are Looking For Principal or Staff level Python engineer with strong leadership skills Degree in Computer ...

core to how they work. Tech Stack Expert Python, advanced SQL, deep Linux knowledge PostgreSQL, Snowflake Apache Kafka, Apache Airflow Django, Flask or FastAPI TDD, BDD, pair programming Java familiarity a plus What They Are Looking For Principal or Staff level Python engineer with strong leadership skills Degree in Computer ...

covering architecture, processes, and code Essential Skills and Experience:- Solid proficiency in Python, JavaScript, and SQL Strong understanding of back-end frameworks (e.g. Flask, FastAPI, Node.js or similar) Experience working with cloud platforms (e.g. DigitalOcean, AWS, or Azure) Experience developing or maintaining RPA solutions Ability to work independently, managing ...

covering architecture, processes, and code Essential Skills and Experience:- Solid proficiency in Python, JavaScript, and SQL Strong understanding of back-end frameworks (e.g. Flask, FastAPI, Node.js or similar) Experience working with cloud platforms (e.g. DigitalOcean, AWS, or Azure) Experience developing or maintaining RPA solutions Ability to work independently, managing ...

aircraft certification. The ideal candidate 2-3 years of professional experience building and shipping production‐grade software across the full stack (Python/FastAPI/TypeScript). Strong UX instincts and hands‐on experience integrating AI/LLMs into user-facing systems that feel intuitive and reliable. Proven ability ...

safety, reliability) Shipping AI-driven products used in real-world enterprise settings Alongside this, you’ll stay close to the engineering fundamentals — Python backend (FastAPI/Django), infrastructure, and production deployment. Why people join environments like this: ✅ High talent bar across the team ✅ Direct access to founders and decision-makers ...

skills, including schema design, query tuning, and migrations. Strong API design experience, including clear contracts, versioning, and backwards compatibility. Python-first experience, ideally with FastAPI or a similar framework. Redis experience, including caching patterns, invalidation, and pub/sub where appropriate. CI/CD fluency and comfort operating your ...

retention, and partner with the founders on what the team builds and why. High ownership, high intensity, fast. The stack is Python and FastAPI on the backend, React and TypeScript on the frontend, Postgres, ElasticSearch and vector databases for data, and LLMs, agents and RAG across the AI layer. What ...

ational skills Nice to Have Experience with AI/LLM tools or modern backend frameworks (e.g., LangChain , LangGraph ) and backend service frameworks (e.g., FastAPI ) Familiarity with cloud-native technologies (e.g., Kubernetes) Experience supporting platforms used by multiple , downstream consumer teams Experience managing teams working on internal developer tools or shared ...

products that redefine how humans and intelligent agents collaborate. Key Responsibilities Design, implement, and maintain scalable back-end systems and RESTful APIs using Python (FastAPI/D) Apply domain-driven design and test-driven development to build microservices using agile methodologies, with a focus on reliability Develop, test, and deploy … build meaningful, production-ready tools at the frontier of LLMs, agentic AI, and enterprise software. Essential: Strong experience with Python and proficiency in FastAPI or Django Proven experience building secure, enterprise-grade, public-facing software in an agile delivery environment Familiarity with SQL and NoSQL databases, including PostgreSQL, Redis ...

leverages graph databases, machine learning, and modern cloud infrastructure to deliver intelligent procurement and customer service solutions. Our stack includes: Backend Services : Python 3.13, FastAPI, async micro-services architecture Data Layer : Neo4j graph database, PostgreSQL, complex data modelling AI/ML : OpenAI integration, semantic search, conversational agents, unstructured data analysis … with observability tools (OpenTelemetry, Prometheus, Grafana) Familiarity with agentic coding workflows — using AI agents to scaffold, refactor, test, and document code autonomously Experience with FastAPI or similar async Python web frameworks Experience with Neo4j or other graph databases Experience with graph algorithms and network analysis Experience with Helm and Kubernetes ...

compliance reporting, integrations with financial data providers and banking APIs, and the frontend dashboards that make that data actionable for clients. The Stack Python · FastAPI · Pydantic · React · Vite · Postgres · Redis · Vercel · Render · Kinde ✅ What they're looking for Strong Python development experience, particularly in data-intensive or financial applications Solid ...

bonus • Working: 3 days in office (Hybrid, Goodge Street, London) • Note: First one month will be 5 days onsite • Tech stack: Python, SQL, APIs, FastAPI, Streamlit, TypeScript, React, Next.js • Visa: This role cannot sponsor Interested? Please apply below. ...

core to how they work. Tech Stack Expert Python, advanced SQL, deep Linux knowledge PostgreSQL, Snowflake Apache Kafka, Apache Airflow Django, Flask or FastAPI TDD, BDD, pair programming Java familiarity a plus What They Are Looking For Principal or Staff level Python engineer with strong leadership skills Degree in Computer ...