1 to 25 of 33 Contract FastAPI Jobs in the UK

solutions. Optimize code for performance, scalability, and security. Support integration with cloud platforms, automation, or data pipelines. Required Skills & Experience: Strong proficiency in Python and related frameworks (Django, Flask, FastAPI). Experience with REST APIs, microservices, and backend development. Knowledge of databases (PostgreSQL, MySQL, MongoDB). Familiarity with cloud platforms (AWS/Azure/GCP) and CI/CD practices. More ❯

all essential): * Experience working with Google Cloud products for ML including Vertex AI Pipelines & BigQuery * Experience with dbt (data build tool) * Previous experience working with advertising data * Experience with FastAPI or other Python API frameworks * Experience with dashboarding tools such as Looker Studio, Tableau or PowerBI * Experience working on a SaaS (Software-as-a-Service) application * Experience working with Kubeflow More ❯

and contribute to continuous improvement. Essential skillsets and experience for the Cloud Software Engineers Skillset 1: Python back-end experienceCSED back-endFAST API Back-end experienceREACTGCP Skillset 2: * Backend: FastAPI* Hosting: GCP (GKE and Cloud Run)* Deployment: Terraform and GitHub Actions* Agents: LangGraph and Pydantic AI (nice to have)* Frontend: React (nice to have).* HPC (HPC migration experience) General More ❯

scalable solutions. Essential Experience & Skills 5+ years' engineering experience, with at least 3 years in ML Ops, Data Engineering, or AI infrastructure. Strong Python engineering skills (Pandas, Numpy, Jupyter, FastAPI, SQLAlchemy). Expertise in AWS services (certification desirable). Proven experience deploying and supporting LLMs in production. Strong understanding of LLM fine-tuning (PyTorch, TensorFlow, Hugging Face Trainer, etc.). More ❯

scalable solutions. Essential Experience & Skills 5+ years' engineering experience, with at least 3 years in ML Ops, Data Engineering, or AI infrastructure. Strong Python engineering skills (Pandas, Numpy, Jupyter, FastAPI, SQLAlchemy). Expertise in AWS services (certification desirable). Proven experience deploying and supporting LLMs in production. Strong understanding of LLM fine-tuning (PyTorch, TensorFlow, Hugging Face Trainer, etc.). More ❯

operations and rollouts Build and integrate APIs for database management and automation workflows Troubleshoot automation issues across scripting, APIs, and containerised environments Required Skills: Proven experience in Python development & FastAPI Strong knowledge of PostgreSQL database administration Excellent problem-solving, debugging, and analytical skills Nice to Have: Exposure to observability tools ( Prometheus, Grafana, OpenTelemetry ) Experience with enterprise tools (Control M, True More ❯

ship features end-to-end Write clean, testable, and maintainable code What We’re Looking For 3+ years of professional software engineering experience Strong proficiency in Python (e.g., Django, FastAPI, or Flask) Experience building web applications with React TypeScript Familiarity with relational databases (PostgreSQL/MySQL) and ORM tools Comfort with Git, CI/CD, and modern dev workflows A More ❯

modern DevOps practices. Hands-on experience with tools like Git/GitHub and continuous deployment workflows. Preferred Skills Experience with Docker and multi-container application architecture. Backend development using FastAPI . Knowledge of AI/ML techniques , especially NLP and language models. Experience with Kubernetes and Google Kubernetes Engine (GKE) . Exposure to frontend development (e.g., React ) is a plus. More ❯

Youll work on payment processing systems , API integrations , and infrastructure enhancements in a fast-paced, agile environment. What Youll Do Build and maintain backend services using Python & Django (or FastAPI) Design, develop, and document RESTful APIs for global payment integrations Contribute across backend, infrastructure, and front end where needed Support Infrastructure as Code using Terraform & AWS Collaborate in agile practices More ❯

You’ll be working in a collaborative engineering culture focused on clean, testable code and best practice around CI/CD and cloud deployment. Tech stack includes: Python (Django, FastAPI, or Flask) REST APIs & microservices AWS Docker/Kubernetes CI/CD (GitHub/GitLab) Pytest This role is hybrid in London and sits outside IR35. If you’re interested More ❯

ship features end-to-end Write clean, testable, and maintainable code What We’re Looking For 3+ years of professional software engineering experience Strong proficiency in Python (e.g., Django, FastAPI, or Flask) Experience building web applications with React TypeScript Familiarity with relational databases (PostgreSQL/MySQL) and ORM tools Comfort with Git, CI/CD, and modern dev workflows A More ❯

are valued. The role will involve building, optimising, and scaling backend systems, APIs, and services, while contributing to an agile delivery team. Key Skills Required: Strong Python development experience FastAPI MySQL Azure REST API development Microservices Agile methodologies TDD (Test-Driven Development) Desirable Skills: Ansible Docker Kubernetes Database experience across SQL, MongoDB, and Redis Why join? This is a chance More ❯

testing and deployment, so you should expect to maintain high standards in code quality through Automated Testing and be comfortable with things like Observability and IaC. Skills: Python, TypeScript FastAPI, Django PostgreSQL, MongoDB Kubernetes GCP, AWS Serverless, Container-based and Event Driven Architectures In return they're offering initial 6-month contracts outside IR35 paying up to £700/day. More ❯

features. Ensure security, compliance, and confidentiality of sensitive financial data. The skills you'll need: Professional software engineering experience. Full stack development expertise (React, TypeScript, Python). Experience with FastAPI or similar Back End frameworks. Familiarity with agent frameworks and AI/ML integration. Experience working with APIs (REST/DAST). Strong understanding of Agile/Scrum delivery. Next More ❯

compliance, and confidentiality of sensitive financial data. Key Accountabilities, Skills & Experience: 3-5 years of professional software engineering experience. Full stack development expertise (React, TypeScript, Python). Experience with FastAPI or similar back-end frameworks. Familiarity with agent frameworks and AI/ML integration. Experience working with APIs (REST/DAST). Strong understanding of Agile/Scrum delivery. Next More ❯

bar Driving innovation, architecture decisions, and adoption of modern engineering practices What were looking for: Extensive experience building complex applications in Python Strong knowledge of modern frameworks (e.g., Django, FastAPI, Flask) Experience with cloud platforms (AWS, GCP, or Azure) and scalable architectures Strong understanding of APIs, microservices, and distributed systems Background in mentoring or leading engineering teams Passion for solving More ❯

On: Building production-grade AI systems using LLMs , Object Detection , and OCR Leveraging frameworks like Hugging Face Transformers , PyTorch , YOLO , OpenCV , and Pillow Designing and deploying AI services via FastAPI , AWS Lambda , EKS/ECS , and S3 Creating scalable data pipelines with Pandas , NumPy , SQLAlchemy , and Airflow Supporting real-time model inference, edge deployments, and API integrations Working closely with More ❯

Python 3.9+ with OOP, async/await, and debugging techniques Data tools: Pandas, NumPy, SQLAlchemy/psycopg2 AWS: Lambda, S3, CloudWatch, IAM, CDK, SQS, EKS/ECS API development: FastAPI, Requests, JWT/OAuthDevelopment Practices Agile methodologies (Scrum/Kanban), XP techniques (TDD, pair programming) Infrastructure-as-code and cloud monitoring (e.g., Grafana) Strong communication skills across technical and non More ❯

Python 3.9+ with OOP, async/await, and debugging techniques Data tools: Pandas, NumPy, SQLAlchemy/psycopg2 AWS: Lambda, S3, CloudWatch, IAM, CDK, SQS, EKS/ECS API development: FastAPI, Requests, JWT/OAuth Development Practices Agile methodologies (Scrum/Kanban), XP techniques (TDD, pair programming) Infrastructure-as-code and cloud monitoring (e.g., Grafana) Strong communication skills across technical and More ❯

security for role-based access and credential management * Experience with CDK for infrastructure deployment * SQS for message queuing * EKS/ECS/Kubernetes for containerised AI deployments API Development : * FastAPI for building REST APIs and model serving endpoints * Requests library for HTTP client operations and external API integration * Authentication/authorisation implementation (JWT, OAuth) Software Development: * Making excellent quality AI More ❯

security for role-based access and credential management * Experience with CDK for infrastructure deployment * SQS for message queuing * EKS/ECS/Kubernetes for containerised AI deployments API Development : * FastAPI for building REST APIs and model serving endpoints * Requests library for HTTP client operations and external API integration * Authentication/authorisation implementation (JWT, OAuth) Software Development: * Making excellent quality AI More ❯

Build and deploy ML models using Transformers, PyTorch, YOLO, OpenCV , and more. Work with LLMs, image analysis, and object detection in real-world applications. Design and optimize APIs using FastAPI and integrate with external systems. Deploy scalable AI systems using AWS (Lambda, S3, SQS, EKS/ECS), CDK , and modern DevOps practices. Collaborate on infrastructure and data pipelines using SQLAlchemy More ❯

to join their engineering team and support a major cloud migration and AI-driven application build. ?? What You'll Be Doing Building and scaling full-stack applications using Python (FastAPI/Flask/Django), Vue3, and MongoDB Designing and optimizing backend services and APIs for performance & scalability Deploying and managing applications in Microsoft Azure (hands-on Azure experience is essential … ensuring smooth delivery Collaborating with cross-functional teams and mentoring junior developers ? What We're Looking For 8+ years of professional software engineering experience Strong backend expertise with Python (FastAPI preferred) Proven experience with Azure cloud deployment & management Proficiency in Vue3 and modern frontend development practices Solid knowledge of MongoDB, data modeling, and API design Experience with CI/CD More ❯

Key Responsibilities Develop and optimize Python calculators for: Historical index back-testing Daily pricing and index computation Weighting and rebalancing logic Attribution and decomposition analytics Build robust APIs using FastAPI or Flask Collaborate directly with business users to gather requirements and iterate quickly Implement testing, versioning, and data validation processes Ensure integration with internal data sources and reporting tools Required … Skills 5+ years of Python development experience, ideally in financial services or commodities Strong proficiency in Pandas , NumPy , and time-series data manipulation Proven experience with FastAPI or Flask Familiarity with large datasets and real-time data pipelines Excellent debugging, profiling, and performance optimization skills Strong communication skills and ability to work with non-technical stakeholders Preferred Skills Experience with More ❯

Key Responsibilities Develop and optimize Python calculators for: Historical index back-testing Daily pricing and index computation Weighting and rebalancing logic Attribution and decomposition analytics Build robust APIs using FastAPI or Flask Collaborate directly with business users to gather requirements and iterate quickly Implement testing, versioning, and data validation processes Ensure integration with internal data sources and reporting tools Required … Skills 5+ years of Python development experience, ideally in financial services or commodities Strong proficiency in Pandas , NumPy , and time-series data manipulation Proven experience with FastAPI or Flask Familiarity with large datasets and real-time data pipelines Excellent debugging, profiling, and performance optimization skills Strong communication skills and ability to work with non-technical stakeholders Preferred Skills Experience with More ❯