Permanent FastAPI Jobs in the South East

19 of 19 Permanent FastAPI Jobs in the South East

GenAI Full Stack Developer SC Cleared/Eligible

London, South East, England, United Kingdom
Sanderson
contribute to infrastructure, and collaborate with multidisciplinary teams to deliver impactful digital experiences. Key Responsibilities Build GenAI applications using frameworks like LangChain, LangGraph, or CrewAI. Develop microservices using Python (FastAPI) or TypeScript (Express). Create front-end applications with React, TypeScript, and frameworks like Next.js or Vite. Integrate LLMs (e.g., OpenAI, Anthropic, Mistral) and vector databases (e.g., ChromaDB, Pinecone, PGVector More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

Full Stack Developer

london, south east england, united kingdom
Hybrid/Remote Options
Populous
in HTML5, CSS3, ES6/TypeScript, and responsive design principles Solid experience with React (or similar modern frontend frameworks) and component-driven UI architecture Backend development expertise in Python (FastAPI, Flask), .NET Core, or Comfortable designing and consuming RESTful APIs Familiarity with both relational (PostgreSQL, SQL Server) and NoSQL databases Experience with Git and version control workflows Strong foundation in More ❯
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Senior Software Engineer

London, South East, England, United Kingdom
Hybrid/Remote Options
F S People
Work closely with Product to scope work, plan release,s and make pragmatic build-versus-buy decisions. What they're looking for: Hard skills Python proficiency with any framework. FastAPI or Django are welcome. TypeScript expertise and strong React experience. Solid SQL experience. PostgreSQL is preferred but any advanced SQL background is welcome. Strong automated testing habits for unit, integration More ❯
Employment Type: Full-Time
Salary: £80,000 - £120,000 per annum
Posted:

Software Engineer

london, south east england, united kingdom
Hybrid/Remote Options
Caribou
serverless applications, containerisation (e.g. Docker) 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: Typescript, , Vercel Backend: Go, Postgres More ❯
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AI Engineer

london, south east england, united kingdom
Solirius Reply
ingestion pipelines and working with ETL and orchestration tools (e.g., Airflow, Luigi, Argo, dbt), big data technologies (Spark, Kafka, Parquet), and web frameworks for model serving (e.g. Flask or FastAPI). Data Science: Familiarity or experience with classical NLP techniques (BERT, topic modelling, summarisation), statistical analysis, and knowledge graphs. Deep Learning: Familiarity or experience with Deep Learning (TensorFlow, PyTorch). More ❯
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Founding Data Engineer

london, south east england, united kingdom
Day30
Prefect, Airflow, Dagster) Experience with cloud data warehouses (e.g. BigQuery, Snowflake, Redshift) Data transformation tools (e.g. dbt) and data quality frameworks (e.g. Great Expectations) Backend Python frameworks (e.g. Django, FastAPI, Flask) for API development Modern data processing libraries (e.g. Polars, DuckDB) Infrastructure-as-Code (e.g. Terraform, Pulumi) and containerization (e.g. Docker) Open source contributions, or conference talks Ad-tech/ More ❯
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Senior Engineer

london (city of london), south east england, united kingdom
Sokin
engage in troubleshooting and incident response to address production issues, continually learning from these experiences to improve future resilience. Design, develop, and maintain full-stack applications using Python, Flask, FastAPI, AWS, Angular, React and SQL databases. Optimize application performance, troubleshoot and resolve complex technical issues. Stay current with industry trends and emerging technologies, advocating for their application when they benefit More ❯
Posted:

Lead AI

london, south east england, united kingdom
Charlotte Tilbury
Legal, and Information Security to onboard/develop & scale AI applications. About you The role requires a blend of technical depth and product sense, including ·Strong Python engineering skills FastAPI, testing, typing and experience with cloud-native development GCP preferred. ·Hands-on experience with GCP Vertex AI model endpoints, pipelines, embeddings, vector search or equivalent cloud-native AI/ML More ❯
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Senior Python/C++ Distributed Systems Engineer

Guildford, Surrey, England, United Kingdom
Hybrid/Remote Options
Jonothan Bosworth
with media processing technologies (FFMPEG, audio mixing, streaming pipelines). Engineer VoIP, DECT, and SIP-based communication software, including real-time call handling. Build and maintain REST APIs (Flask, FastAPI, Django) and integration layers. Contribute to highly available microservices deployed via Docker Compose and/or AWS . Work with MQTT, ZMQ, WebSockets, and other protocol-driven communication modules. Perform More ❯
Employment Type: Full-Time
Salary: £60,000 - £70,000 per annum
Posted:

Full Stack Engineers

london, south east england, united kingdom
Heron Data
stack: we try to balance speed and impact with fitting the best framework/technology to the task at hand. Currently, we work primarily in Python/Flask/FastAPI on the backend, Terraform/GCP/AWS for infra, and React/JavaScript/TypeScript/Vercel on the frontend. Ideally, you'll be able to contribute within our More ❯
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Full Stack AI Engineer

london, south east england, united kingdom
Swap
PydanticAI, LangGraph, CrewAI, AutoGen, or OpenAI Agents SDK, including agent memory, tool integration for shopping APIs, distributed systems design, and e-commerce workflow orchestration Full Stack Development: Python/FastAPI backend development, modern frontend frameworks (React, Vue, or similar), interactive tools like Streamlit/Gradio or modern AI tools such as & , database design for customer data and inventory, and responsive More ❯
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GenAI Engineer

london, south east england, united kingdom
Clarity
Cursor, v0, Claude Code (or similar). 7–10 years building production ML/back‐end systems; 2+ years leading while coding. Expert Python; strong back‐end chops (e.g., FastAPI, gRPC, Postgres, pub/sub/streams). Agents & RAG: Fluency with at least one agent framework (ADK preferred). Proven track record shipping AI agents and building RAG pipelines. More ❯
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Data Engineer

london, south east england, united kingdom
Ki
for API development, Data engineering and automation tasks • A background in working with storage solutions such as PostgreSQL, MySQL, and BigQuery • Experience in API development using tools such as FastAPI or Flask, enabling data access and integration across systems • Solid knowledge of cloud platforms (GCP and/or AWS), with the ability to design and deploy data solutions at scale More ❯
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Backend & Integrations Engineer (Apps Engineering)

london, south east england, united kingdom
Hybrid/Remote Options
Cogna
like Cursor agent mode) into our daily engineering, creating guardrails, and helping others ship high-quality code faster. What you'll do Own backend features and API integrations (Python, FastAPI, gRPC, SQL). Adapt and extend auto-generated pipelines and front-end outputs. Build connectors for APIs, files, and external systems. Integrate LLM-based capabilities with robust evaluation and monitoring. More ❯
Posted:

Devops Engineer

Basingstoke, Hampshire, England, United Kingdom
TALENT ZONE LTD
a further Devops Engineer with strong Python & AWS skills. You will have skilled to include the Design and development of backend services, APIs, and automation tools using Python (Flask, FastAPI, Django, etc.).You Write clean, maintainable, and testable code following best practices. Build and maintain CI/CD pipelines using tools like GitLab. 2+ years of professional experience in Python More ❯
Employment Type: Full-Time
Salary: £50,000 per annum
Posted:

Backend Software Engineer - eDV Cleared

London, South East, England, United Kingdom
Searchability NS&D
operations. Key Responsibilities Deliver high-quality software solutions across the full development lifecycle. Build and deploy cloud-native applications using technologies such as AWS Lambda, Spring Boot, NodeJS, Python FastAPI, Oracle, PostgreSQL, and MongoDB . Work within Agile and DevSecOps environments, utilising tooling such as Atlassian, Jenkins, GitLab, OWASP and AWS services. Apply Site Reliability Engineering principles to enhance reliability More ❯
Employment Type: Full-Time
Salary: £40,000 - £75,000 per annum
Posted:

Junior/Mid Software Engineer

london, south east england, united kingdom
Hybrid/Remote Options
Mytos
ORM experience ideal). Our technologies Frontend (Netlify): React, TypeScript, GraphQL, Storybook Backend (AWS & Heroku): NodeJS, TypeScript, GraphQL, MQTT, PostgreSQL, Python, Pulumi IaC Physical Device (on-premise): NodeJS, Typescript, FastAPI, Python, MQTT Firmware: C++, GTest, GMock, Bazel, Platformio Nice-to-Haves: Understanding of distributed systems concepts. Experience with Python for data processing or image analysis. Background or interest in biology More ❯
Posted:

Lead Data Scientist - Remote

London, South East, England, United Kingdom
Hybrid/Remote Options
Exposed Solutions
tuning, prompt engineering and productionisation · Deep experience in MLOps on Azure, including CI/CD, monitoring and scaling pipelines. · Strong coding skills in Python, with frameworks such as PyTorch, FastAPI and Azure CLI. ALL APPLICANTS MUST BE FREE TO WORK IN THE UK Exposed Solutions is acting as an employment agency to this client. Please note that no terminology in More ❯
Employment Type: Full-Time
Salary: £60,000 - £80,000 per annum
Posted:

Software Engineer

london, south east england, united kingdom
Hybrid/Remote Options
Sprout
stack building features which deliver AI capabilities to some of the biggest names in the insurance industry. We are developing a modern real-time ML platform using technologies like FastAPI, PyTorch, Ray, k8s (helm + flux), Terraform, Postgres, Flink on AWS, React & Typescript. We operate a fully Python stack except for frontend and infrastructure code. We are very big fans … proficiency in software architecture using Python and FastAPI. Experience working in fully cloud-hosted environments (e.g. AWS). Solid RDBMS experience, preferably with PostgreSQL Experience building RESTful APIs (e.g. FastAPI) and real-time data processing pipelines Bonus points for experience with Kubernetes, Apache Flink, Flux or Infrastructure-as-Code frameworks (e.g. Terraform). Experience of maintaining your own code in More ❯
Posted:
FastAPI
the South East
10th Percentile
£40,400
25th Percentile
£45,875
Median
£55,000
75th Percentile
£65,000
90th Percentile
£71,000