176 to 200 of 209 FastAPI Jobs in England

components with data, compute, and frontend systems to create scalable, high-performance solutions. Day-to-day responsibilities include: Designing and implementing backend services for Python-based web applications (e.g., FastAPI). Integrating AI and ML components into production systems and APIs. Writing high-quality, well-tested, and well-documented code following best practices. Developing and monitoring metrics to improve system … to build end-to-end pipelines. Participating in agile ceremonies and code reviews to uphold quality and delivery standards. Tech Stack & Skills Core skills: Strong Python backend development experience (FastAPI or similar frameworks) Cloud-native deployment experience (preferably Google Cloud and Cloud Run) Unit testing experience (pytest or similar frameworks) Familiarity with agile development and CI/CD processes Strong More ❯

roadmap and translate requirements into technical delivery. Technical Excellence Set standards for code quality, testing, and secure-by-design practices. Guide teams in modern software engineering practices across Python, FastAPI, Docker, Kubernetes, Ansible, Bash, Ruby, JavaScript , and related technologies. Provide architectural oversight on distributed systems, APIs, and integrations with GPU/HPC infrastructure. Maintain expertise in emerging technologies including Generative … similar). Proven track record of leading distributed engineering teams in Cloud, AI, or HPC-related environments . Hands-on experience in one or more of the following: Python, FastAPI, Kubernetes, CI/CD pipelines, Ansible, Docker, Bash, Ruby, JavaScript . Experience delivering customer-facing platforms and APIs at scale. Strong understanding of cloud architecture (IaaS/PaaS), GPU compute More ❯

Backend Software Engineer to lead development of APIs and data infrastructure supporting these ML applications. What you'll be doing: Develop backend systems for ML-driven applications using Python (FastAPI) Build data and compute integration pipelines with cross-functional AI teams Design testing and deployment frameworks for model reliability Work collaboratively in agile sprints alongside data and DevOps teams Key … Skills: Python, FastAPI, Git/GitHub, CI/CD, cloud infrastructure (GCP), automated testing (pytest) Nice to Have: Experience with ML model deployment or scientific data systems Ideal for: Engineers who thrive building robust, production-ready backends for AI/ML platforms. More ❯

Senior Backend Engineer, you'll play a central role in building and scaling the systems that power their insurance platform. You'll focus on developing Python-based cloud microservices (FastAPI preferred), contributing to the architecture of resilient, high-performance systems, and collaborating with a cross-functional team to deliver features at pace. This is a hands-on engineering position with … plenty of scope to influence technical direction, improve processes, and grow your expertise in distributed systems. What will I be doing: Design, develop, and maintain Python microservices (FastAPI) running in production. Take ownership of features end-to-end, from design to deployment and monitoring. Write high-quality, testable code with a focus on scalability and resilience. Collaborate closely with engineers … product managers, and designers to deliver quickly. Contribute to evolving architecture, tooling, and CI/CD practices. What experience do I need: Strong background in Python development (FastAPI, Flask, or Django). Good knowledge of microservices, APIs, and cloud-based infrastructure. Experience with SQL and NoSQL databases, Git, and CI/CD workflows. Solid engineering fundamentals - data structures, OOP, debugging More ❯

Technical Lead (Python) | £70,000 - £90,000 | Leeds (hybrid)| Tech-for-Good | AWS | Flask/FastAPI/Django Locations: Leeds - 2 days a week on-site Salary Expectations: £70,000 - £90,000 (DOE) Are you an experienced Python Engineer ready to take ownership of technical direction while staying fully hands-on We’re partnered with a purpose-led organisation using … codebase while influencing architecture, mentoring others and driving best practices across the stack.What you’ll be doing Designing and developing new features and backend services using Python with Flask, FastAPI or Django Collaborating closely with frontend engineers working in React or Vue to build seamless, user-first experiences Owning infrastructure decisions across AWS, Terraform and Docker Setting the standard for … for a chat to learn more about how you could help shape something meaningful. Technical Lead (Python) | £70,000 - £90,000 | Leeds (hybrid)| Tech-for-Good | AWS | Flask/FastAPI/Django More ❯

experience in most of the following: - Strong commercial python development experience - Experience working on business transaction projects (pension, banking, accounting, payments, back-office processing etc) - Framework experience - Flask,Django, FastAPI etc - Solid MySQL skills - Experience working in a fast-paced financial services/accounting - Azure cloud exposure - Strong communication and stakeholder engagement skills - Any experience integrating automation solutions into existing … development and progressing quickly in this market leading company please apply now. Python Developer London, Birmingham, Manchester, Leeds, Bristol (long term remote working) Python, Flask ,Azure, MySQL, API, Django, FastAPI, accounting, financial services More ❯

next-generation data and intelligence platform. You'll play a key role in building performant, modern web applications that visualise complex data and integrate seamlessly with a Python/FastAPI backend. The team values clean, reliable, and maintainable code - so this is a great opportunity to make an impact in both product and technical decision Location: Remote (UK) Contract … Previous experience in data-heavy systems or B2B SaaS Key Responsibilities: Develop and maintain responsive frontend applications using React and TypeScript . Collaborate with backend engineers to integrate APIs (FastAPI, SQLModel, PostgreSQL). Optimise performance and scalability of frontend components for complex data workloads. Implement clean, reusable UI components and modern design patterns. Work closely with product and data teams More ❯

Claude, Gemini) to workflows and internal tools Fine-tune or prompt models for tasks like: NCR root cause suggestions Supplier performance classification Delivery risk flagging Deploy lightweight APIs using FastAPI or Flask (GCP Cloud Run + Docker) Experience Required: Direct, hands-on experience with GCP (BigQuery, Vertex AI, Cloud Run) Strong SQL complex querying Python for analytics, backend logic, and … model prototyping Familiarity with LLM APIs , prompt engineering , embeddings , and traditional ML (e.g. XGBoost , scikit-learn ) Comfortable deploying tools using Docker , Flask/FastAPI , and GCP services Ability to work independently and iterate quickly toward high-quality outcomes Full-stack data capability, from pipelines to dashboards to AI-powered APIs Hands-on, impact-driven, and solution-oriented approach Experience applying More ❯

SR2 are currently looking for a highly motivated Founding Engineer (Full Stack) for a super interesting start-up in London. Location: London (2-3 days a week onsite). Salary: £95,000 - 100,000. Ideal background://Expertise with More ❯

SR2 are currently looking for a highly motivated Founding Engineer (Full Stack) for a super interesting start-up in London. Location: London (2-3 days a week onsite). Salary: £95,000 - 100,000. Ideal background://Expertise with More ❯

SR2 are currently looking for a highly motivated Founding Engineer (Full Stack) for a super interesting start-up in London. Location: London (2-3 days a week onsite). Salary: £95,000 - 100,000. Ideal background://Expertise with More ❯

SR2 are currently looking for a highly motivated Founding Engineer (Full Stack) for a super interesting start-up in London. Location: London (2-3 days a week onsite). Salary: £95,000 - 100,000. Ideal background://Expertise with More ❯

SR2 are currently looking for a highly motivated Founding Engineer (Full Stack) for a super interesting start-up in London. Location: London (2-3 days a week onsite). Salary: £95,000 - 100,000. Ideal background://Expertise with More ❯

assembled a world-class team of AI engineers, data scientists, and system architects — now expanding as we scale our suite of agentic AI and architectural tools built on LangChain, FastAPI , and multi-agent reasoning frameworks . Our mission is to redefine how intelligent systems operate — creating scalable, autonomous toolchains that can reason, plan, and execute across complex real-world environments. … just prototypes. What You’ll Work On 🔹 Building agentic AI orchestration frameworks and autonomous toolchains. 🔹 Integrating multimodal reasoning systems with live data pipelines. 🔹 Designing scalable microservice and backend architectures (FastAPI, Docker, etc.). 🔹 Working with state-of-the-art LLMs and reasoning stacks (LangChain, OpenAI, Anthropic, Ollama). 🔹 Contributing to systems moving toward IPO-scale commercialisation. What We Offer 💠 Equity … Hybrid and flexible working options (UK/Europe). What You Bring 🔹 Strong Python development skills. 🔹 Experience integrating LLMs or working with multi-agent systems. 🔹 Familiarity with backend frameworks (FastAPI, Flask, or Django). 🔹 Understanding of scalable architectures and distributed systems. 🔹 Curiosity, autonomy, and a builder’s mindset. 📩 Apply now: Send your CV to sales@adema.ai More ❯

Responsibilities: Build and maintain end-to-end product features used by enterprise customers. Develop modern, responsive interfaces using . Design and optimize APIs, data pipelines, and integrations using Python (FastAPI/Django) . Collaborate with design, product, and AI teams to deliver new functionality quickly and reliably. Contribute to architectural decisions, system scalability, and engineering best practices. What We're … Looking For: Proven experience as a Full-Stack Engineer in a startup or fast-paced environment. Strong proficiency in and Python (FastAPI/Django) . Experience shipping scalable, production-grade software. Exposure to or interest in AI/ML-driven products . Startup experience or comfort with high ownership and autonomy is a massive plus . Package: £100,000 base More ❯

tech environment. Location: Remote (UK) Contract: 6 Month (OIR35, likely extension) Rate: £300-350 p/day Start: ASAP Key Skills: Experience with Python and modern frameworks such as FastAPI or Flask . Understanding of SQLModel/SQLAlchemy and relational database design. Knowledge of PostgreSQL and query optimisation. Extensive exposure to Celery Familiarity with AWS and CI/CD pipelines. … Interest in data platforms, analytics, or cloud-native architecture (Bonus) Experience in data-heavy systems or B2B SaaS Key Responsibilities: Design, develop, and maintain backend services using Python and FastAPI to power a data and intelligence platform Build and optimise database models with SQLModel and SQLAlchemy. Integrate with PostgreSQL databases and external APIs. Contribute to feature development, testing, and deployment. More ❯

Data Software Engineer/Developer (Python Databricks FastAPI) London to £90k Are you a data centric Software Engineer with strong Python and SQL skills? You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses on developing a complex SaaS calculation platform for rapidly growing Cybersecurity insurance markets. … per year Season ticket loan Employee Assistance Programme Impactful role with great career progression Apply now to find out more about this Data Software Engineer/Developer (Python Databricks FastAPI) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come More ❯

ll spearhead the development and enhancement of our generative AI tools, working closely with a multidisciplinary team What You'll Do: Maintain and improve our web API built with FastAPI, deployed on AWS.Collaborate on the product roadmap, focusing on data ingestion, UI enhancements, and exploring agentic AI capabilities.Develop innovative features to generate synthetic audiences based on existing data, demographics, and … creation. What We're Looking For: Proven experience building applications with Large Language Models (LLMs), including tool usage and information retrieval.Strong proficiency in Python, with hands-on experience using FastAPI, asyncio, and SQLAlchemy.Experience managing AWS accounts and deploying applications via AWS Elastic Beanstalk.Ability to independently own the full feature development lifecycle-from design to deployment.Familiarity with agile methodologies and working More ❯

Python Developers | London | £100,000 – £170,000 + Equity You'll be joining a team that are making it easier for large industries to bring AI into production. The tech focuses on scaling, reliability, and making AI systems practical. The More ❯

Python Developers | London | £100,000 – £170,000 + Equity You'll be joining a team that are making it easier for large industries to bring AI into production. The tech focuses on scaling, reliability, and making AI systems practical. The More ❯

Python Developers | London | £100,000 – £170,000 + Equity You'll be joining a team that are making it easier for large industries to bring AI into production. The tech focuses on scaling, reliability, and making AI systems practical. The More ❯

Python Developers | London | £100,000 – £170,000 + Equity You'll be joining a team that are making it easier for large industries to bring AI into production. The tech focuses on scaling, reliability, and making AI systems practical. The More ❯

Python Developers | London | £100,000 – £170,000 + Equity You'll be joining a team that are making it easier for large industries to bring AI into production. The tech focuses on scaling, reliability, and making AI systems practical. The More ❯

Applied AI Software Engineer - Python, Fast API, AWS, LLMs OB are partnered with a high-growth, B2B SaaS start-up who are looking to hire a highly skilled Applied AI Engineer to their Product Engineering team, where you'll pioneer More ❯

internal and external applications. What You'll Do Build the Engine: Design, develop, and maintain high-performance, scalable, and secure RESTful APIs using Python, with a strong focus on FastAPI . Integrate Data: Build efficient data querying mechanisms from structured databases. Champion Best Practices: Uphold high standards for clean, maintainable, and well-tested code. Who We're Looking For You … are a seasoned API builder with a proven track record of shipping high-quality services. You have strong expertise in FastAPI and a deep understanding of how to build production-grade APIs used at scale. Must Have: Strong expertise in Python and the FastAPI framework. Strong experience with both SQL and NoSQL databases, including schema design and query optimization. Nice More ❯