16 of 16 FastAPI Jobs in the South East

Proven expertise in full-stack development using: TypeScript (and JavaScript frameworks such as NextJS, Node, or Tailwind) Python (including frameworks like Django, Flask, or FastAPI) PostgreSQL and relational database design, optimization, and maintenance. AI Development Tools such as Windsurf, Aider or Augment. Demonstrable experience building and scaling SaaS platforms ...

computer science or related fields Expertise in Python, including popular Python libraries: NumPy, Pandas, PySpark and frameworks: Django, Django Rest Framework, FastAPI Hands-on experience with both relational (e.g. PostgreSQL) and non-relational databases (e.g. Elasticsearch, Redis) Extensive experience in data warehousing architecture, big data processing and ETL Demonstrable expertise ...

APIs Work on high-availability, data-intensive applications Collaborate with engineering, data, and business teams Required Experience Strong Python experience (Django, Flask or FastAPI) Proven backend/API development experience Experience within banking or financial services Exposure to cloud (AWS/Azure/GCP) and modern engineering practices Nice ...

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. ...

skills. Proficiency in modern frontend technologies (HTML, CSS, Tailwind, JavaScript/TypeScript, Vue.js React or equivalent) Experience in backend technologies (Laravel/PHP, Python FastAPI Experience using AWS including - ECS, IAM, RDS, CloudWatch, and terraform or infrastructure as code Experience with version control (Git), and CI/CD pipelines Detail ...

skills. Proficiency in modern frontend technologies (HTML, CSS, Tailwind, JavaScript/TypeScript, Vue.js React or equivalent) Experience in backend technologies (Laravel/php, Python fastAPI Experience in modern frontend technologies and backend technologies. Proven experience using AWS including - ECS, IAM, RDS, CloudWatch, and terraform/terragrunt or infrastructure as code ...

capabilities , including: Large Language Models (LLMs) Retrieval-Augmented Generation (RAG) AI agents and orchestration workflows Designing and maintaining backend services and APIs (primarily Python, FastAPI/Flask) Building and scaling data pipelines and search systems using: ElasticSearch, Weaviate, Pinecone, and other vector databases Engineering secure, containerised architectures using Docker ...

Then a mixture of the following on top: GenAI LLM APIs Experience designing, testing and deploying AI/ML solutions Chat Bots/Agents FastAPI Microsoft Agent Framework LangChain Vector database ML Engineering Job Offer Car allowance of 5k Private medical 25 days + BHS Option to buy 10 more ...

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 ...

development, and delivery in a fast-paced environment. What They’re Looking For Strong commercial Python experience Experience building APIs and backend services using FastAPI, Flask or similar Strong understanding of scalable software engineering and system design Experience with cloud platforms and containerised environments Comfortable working autonomously within distributed teams ...

fast-moving environment. What They’re Looking For Strong commercial experience with Python Experience building backend services and APIs using frameworks such as FastAPI or Flask A solid understanding of scalable software design and engineering best practices Experience working with cloud platforms and containerised environments Someone who enjoys ownership, collaboration ...

control and modern engineering best practice. Confidence owning ambiguous, high impact projects end to end. Any exposure to financial services, automation of legacy processes, FastAPI or AI driven systems is a bonus but not essential. What They Offer A 12 month fixed term contract with a high likelihood of extension ...

problems. Owning delivery end-to-end - from initial exploration through to production deployment, integration and ongoing iteration. Working with MCP-style architectures (FastMCP/FastAPI) and LangChain/LangGraph or equivalent frameworks to build reliable, scalable systems. Integrating AI into products, APIs and core business workflows - with a sharp ...

real systems. Experience building or supporting high-throughput data pipelines and distributed or scalable infrastructure. Hands-on experience with web backends such as FastAPI and pragmatic frontend development using vanilla JavaScript. Confidence designing developer-friendly CLIs and operator tooling that are reliable and hard to misuse. Experience with containerisation ...

AI Developer Job Type: Full-Time, Permanent Location: Reading, hybrid working arrangements, 3 days a week onsite. Hours: Monday to Friday, 37.5 hours per week Salary: Competitive, dependent on experience An excellent new opportunity for ...

Lead Python Developer Climate Tech London (Hybrid, 3 days per week) Python, FastAPI, PostgreSQL, GCP, Docker I'm working with a fast-growing climate-tech non-profit tackling one of the most important infrastructure challenges in the energy transition. Backed by some of the biggest names in climate philanthropy, this … optimisation, and performance challenges at scale - a long way from your average API job. Requirements: 7+ years experience developing and maintain scalable Python/FastAPI back-end services Ideally worked with high-performance APIs for complex hierarchical data queries and grid modelling computations Managed and optimised GCP cloud infrastructure, implementing ...