76 to 100 of 120 FastAPI Jobs in the UK excluding London

Senior Software Engineer, Full-Stack Applications (Python)

Location
Manchester, England, United Kingdom
ideas, and help shape technical decisions We'll Count on You To: Develop and maintain full-stack applications – Build robust, scalable applications using Python (FastAPI/Flask), and ReactJS following best practices and design patterns Contribute to the development lifecycle – Write clean, maintainable code, implement CI/CD pipelines with … understanding of OOP concepts, design patterns, SOLID principles, algorithms, data structures, and ability to write clean, maintainable code Backend Development – Proficiency in Python (Pandas, FastAPI, Flask) for building enterprise applications, data processing and API development Database Technologies – Hands‐on experience with RDBMS databases (e.g., Oracle, PostgreSQL) and NoSQL databases (e.g. ...

Full Stack Developer Engineer - Cyber DevOps

Hiring Organisation
ECS
Location
South East, United Kingdom
Employment Type
Temporary
Salary
GBP 450 Daily
Full Stack Developer Engineer - Cyber DevOps Rate: £450 (Outside IR35) Location: Remote Contract: 3-6 months Python FastAPI JavaScript React AWS We're looking for an experienced Full Stack Developer to join a growing Cyber DevOps team, developing innovative applications, automation and engineering tools used across Cyber Security and Network ...

L1 Software Engineer

Hiring Organisation
Response Informatics
Location
South East, United Kingdom
Employment Type
Contract
Contract Rate
GBP 250 Daily
Required Skills Frontend React.js REST API troubleshooting JavaScript/TypeScript basics Backend Python FastAPI REST APIs Postman/Swagger Cloud AWS (EC2, Lambda, S3, CloudWatch, API Gateway, IAM) Support Incident & ticket management (ServiceNow/Jira) Log analysis and application troubleshooting Qualifications Bachelor's degree in Computer Science, IT, or related ...

Senior Backend Engineer for AI-Driven Platforms (Remote)

Location
Glasgow, Scotland, United Kingdom
seeking a Senior Fullstack Backend Engineer to design and build scalable backend API services in a remote consultant role. You will work with Python, FastAPI, and Pandas to power AI-driven products and client deployments. You will collaborate with cross-functional teams in an Agile environment, implement ETL pipelines ...

Full Stack Developer Python and React

Hiring Organisation
Bath and West Community Energy
Location
Bath, Somerset, United Kingdom
Employment Type
Temporary
Salary
GBP 70,000 Annual
Efficiency Advice Tool (HEEAT), a new platform combining energy modelling, mobile data capture, smart-meter data and applied AI. The technology stack includes Python, FastAPI and PostgreSQL on the backend, with React, Re click apply for full job details ...

L1 Software Engineer

Hiring Organisation
Response Informatics
Location
South East, United Kingdom
Employment Type
Freelance / Project collaboration, On-site
Salary
Up to £250 per day
Required Skills Frontend React.js REST API troubleshooting JavaScript/TypeScript basics Backend Python FastAPI REST APIs Postman/Swagger Cloud AWS (EC2, Lambda, S3, CloudWatch, API Gateway, IAM) Support Incident & ticket management (ServiceNow/Jira) Log analysis and application troubleshooting Qualifications Bachelor's degree in Computer Science, IT, or related ...

Senior Backend Engineer – AI-Driven Cloud APIs

Location
Cambridgeshire and Peterborough, England, United Kingdom
Cresset is seeking a talented software developer to build drug discovery cloud services, APIs and web applications using Python backends (FastAPI/Django). You will design REST APIs, work on automated pipelines and AI workflows, and own complex projects from early stages to production. The role emphasizes scalable architectures ...

Forward Deployed Engineer FDE Python AWS

Hiring Organisation
Client Server
Location
Manchester, North West, United Kingdom
Employment Type
Permanent Contract, Hybrid
Salary
£80,000
have experience of working directly with clients and taking ownership of client bespoke development work You have strong Python backend development skills ideally including FastAPI You have experience with AWS including Amazon CDK You have a strong understanding of DevOps principles You have full software development lifecycle experience ...

Frontend Developer (Mid-level)

Location
Cambridge, England, United Kingdom
have Understanding of deployment strategies, scalability, and load balancing Familiarity with Unix/Linux environments Exposure to backend development in Python (e.g. Flask, FastAPI) Working knowledge of SQL databases (e.g. MySQL, PostgreSQL) Experience with AWS services What do we offer? The opportunity to take real ownership and influence product direction ...

Staff Private Cloud Engineer

Location
Cambridge, England, United Kingdom
environments. Own and drive IaC (Terraform, Ansible) practices by defining reusable IaC modules and patterns for reliable and repeatable builds. Develop platform services, APIs (FastAPI) and automation using Python. Drive improvements in reliability, scalability and performance. Lead incident response, fixing and root cause analysis. Work across compute, networking and storage ...

Lead Software Developer

Hiring Organisation
ALFA TECHNOLOGY RECRUITMENT LTD
Location
City of London, South East, United Kingdom
Employment Type
Permanent Contract, On-site
obsessed with the customer, which is how we hold 4.9 on both Trustpilot and Google. The stack: TypeScript on the backend, Python and FastAPI for Jay, Next.js up front, AWS underneath, Claude Code woven through how we build. You won't have used all of it, and you'll change ...

Senior Full Stack Backend Engineer

Location
Glasgow, Scotland, United Kingdom
maintainable solutions that power our AI-driven products and client deployments. Key Responsibilities Design, build, and maintain high-performance backend API services using Python, FastAPI, and Pandas. Develop clean, well-documented RESTful and asynchronous APIs following best practices. Ensure APIs are scalable, secure, and optimized for performance in production environments. … experience delivering production-grade backend systems at scale. Core Technical Skills Strong proficiency in Python as a primary backend language. Hands-on experience with FastAPI and Pandas for building data-driven API services. Solid experience with PostgreSQL - schema design, query optimization, and migrations. Experience with RabbitMQ or similar message brokers ...

Senior Backend Developer

Location
Cambridgeshire and Peterborough, England, United Kingdom
direction of products and services. What you'll be doing: Develop drug discovery cloud services, APIs and web applications using Python backend services including FastAPI and Django. Design and build reliable REST APIs and services for applications, automated pipelines and AI workflows. Deliver complex software projects with minimal supervision … technical delivery. What we're looking for: Essential Demonstrable commercial software development experience, including Python backend services. Product development experience using technologies such as FastAPI, Django, Git, Linux environments and containerised deployment with Docker and AWS. Experience designing and building production REST APIs, including API contracts, versioning and documentation. Experience ...

Junior Python Developer

Location
Belfast City District, Northern Ireland, United Kingdom
deliver new product functionality. Key Requirements: Knowledge of Python 3 and core programming principles Experience implementing CRUD operations and working with APIs Experience with FastAPI, Flask, Django or a similar Python web framework Familiarity with PyTest and software testing best practices Understanding of data modelling using Pydantic, SQLAlchemy, SQLModel ...

AI Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£130,000 - £160,000 per annum
intelligence, classification, extraction, and reasoning. Create evaluation frameworks and observability tooling to monitor AI performance, quality, and cost. Engineer scalable backend services using Python, FastAPI, cloud technologies, and modern software engineering practices. Your Skills & Experience Strong commercial experience developing software and AI applications in Python. Hands-on experience building ...

Python Contractor

Location
Belfast City District, Northern Ireland, United Kingdom
cross-functional teams Produce clean and efficient solutions based on specifications Experience and skills required: 3+ years Pythondevelopment experience building back-end services including: FastAPI and/or Flask Relational databases, ideally Postgres including SQL Automated test frameworks and pytest Manipulating complex datasets **Please note, this role requires 3 days ...

CADD Scientist / Senior CADD Scientist

Location
Glasgow, Scotland, United Kingdom
with active learning, iterative DMTL design loops, and Bayesian optimisation applied to molecular design. Experience building or integrating CADD tooling into API-first platforms (FastAPI, Docker, CI/CD), and proficiency in C/C++/CUDA for high-performance computational chemistry. A visible track record in the field — peer ...

Backend Python Engineer

Hiring Organisation
Lorien Resourcing Limited
Location
South East, United Kingdom
Employment Type
Temporary
Salary
GBP 450 Daily
rate: £400 to £450 Duration: 12 months duration Location: London, Redman Place - onsite 3 days a week. IR35: Outside IR35 Backend Engineer with strong FastAPI and microservices experience, ideally gained in cloud-native environments. Exposure to AI/GenAI products is highly desirable click apply for full job details ...

Remote Python Backend Engineer - Financial Data Integrations

Location
Cardiff, Wales, United Kingdom
Cardiff is seeking a Python backend engineer to own data integrations and FastAPI services that deliver financial and credit data to internal teams. You will build provider integrations (Experian, Plaid, bank sources) and AWS-based ETL pipelines, ensuring data quality and regulatory compliance. You’ll work in a small, independent ...

Staff Engineer - Lead Full-Stack, Production‐Driven

Location
Cardiff, Wales, United Kingdom
ideas into production. The role emphasizes agentic delivery, ownership of production quality, and coaching colleagues, with our stack spanning React and TypeScript, Python and FastAPI, #J-18808-Ljbffr ...

DevOps Engineer

Hiring Organisation
Sphere Digital Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£400.00 - £500.00 per day
Knowledge of monitoring, observability, logging and alerting tools Strong cloud security and operational best practice experience Experience supporting and scaling production environments Python and FastAPI exposure beneficial Comfortable working in fast-paced, evolving environments Able to work autonomously and influence technical direction Apply Now You can apply for the DevOps ...

Principal Machine Learning Engineer – Production Systems

Location
Bristol, England, United Kingdom
setups. Knowledge of feature stores and data validation frameworks. Exposure to regulated environments and compliance frameworks. Tools & Technologies ML : TensorFlow, ONNX Runtime, tf2onnx. APIs : FastAPI, gRPC. Why Join Us? Work on cutting-edge ML solutions integrated into commercial engineering software. Define architecture that scales across global deployments. Collaborate with ...

Lead Software Engineer

Hiring Organisation
Sanderson Government and Defence
Location
City of London, South East, United Kingdom
Employment Type
Temporary Contract, On-site
Salary
Up to £500 per day + Outside IR35
Proven experience operating as a Lead Engineer or Principal Engineer within complex delivery environments. Strong experience developingbackend services using: Kotlin Java Spring Boot Python FastAPI Frontend development experience using: TypeScript Node.js Express Experience working within cloud-native environments and modern software delivery practices. Ability to operate independently and drive outcomes ...

Software Engineer

Location
Cambridgeshire and Peterborough, England, United Kingdom
engineers and researchers What you will bring 8+ years of professional software engineering experience Strong Python backend development on large codebases, ideally including FastAPI or a similar framework Proficiency in Linux and shell scripting for automation and system management Experience building and supporting distributed, concurrent and RESTful systems A solid ...

Data Engineer, Autonomous Systems — Edge-to-Cloud

Location
Oxford, England, United Kingdom
hard part. Stateful stream processing (Flink, Kafka Streams, Beam or similar): event time, watermarks, exactly-once. APIs for data ingestion and consumption with FastAPI, gRPC or GraphQL. Graph stores and entity resolution or curation at scale, where the interesting decisions are about what to keep, merge or drop. Experience working ...