151 to 166 of 166 FastAPI Jobs in the South East

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 ❯

Principal Engineer – Lead Tech Strategy for a Profitable FinTech Scale-Up Hybrid (London) or remote within the UK £160,000 per annum plus stock options Python | Django | FastAPI | AWS | Rust | Postgres | Event-Driven Architecture | Machine Learning Principal Engineer - We're working with a leading fintech scale-up that’s transforming how small businesses access finance. Backed by a strong track … a chat. Principal Engineer – Lead Tech Strategy for a Profitable FinTech Scale-Up Hybrid (London) or remote within the UK £160,000 per annum plus stock options Python | Django | FastAPI | AWS | Rust | Postgres | Event-Driven Architecture | Machine Learning More ❯

Principal Engineer – Lead Tech Strategy for a Profitable FinTech Scale-Up Hybrid (London) or remote within the UK £160,000 per annum plus stock options Python | Django | FastAPI | AWS | Rust | Postgres | Event-Driven Architecture | Machine Learning Principal Engineer - We're working with a leading fintech scale-up that’s transforming how small businesses access finance. Backed by a strong track … a chat. Principal Engineer – Lead Tech Strategy for a Profitable FinTech Scale-Up Hybrid (London) or remote within the UK £160,000 per annum plus stock options Python | Django | FastAPI | AWS | Rust | Postgres | Event-Driven Architecture | Machine Learning More ❯

Principal Engineer – Lead Tech Strategy for a Profitable FinTech Scale-Up Hybrid (London) or remote within the UK £160,000 per annum plus stock options Python | Django | FastAPI | AWS | Rust | Postgres | Event-Driven Architecture | Machine Learning Principal Engineer - We're working with a leading fintech scale-up that’s transforming how small businesses access finance. Backed by a strong track … a chat. Principal Engineer – Lead Tech Strategy for a Profitable FinTech Scale-Up Hybrid (London) or remote within the UK £160,000 per annum plus stock options Python | Django | FastAPI | AWS | Rust | Postgres | Event-Driven Architecture | Machine Learning More ❯

hardware and software designing scalable backend systems that connect thousands of machines, handle massive real-time data flows. What You’ll Do: Design, build, and scale backend systems using FastAPI and modern Python tooling. Architect highly efficient systems to handle thousands of concurrent data streams from connected devices. Develop APIs for edge devices and integrate backend services with their frontend … engineers and scientists to deliver innovative AI solutions for real manufacturing environments. About You: 3+ years of experience building and deploying backend systems at scale. Strong proficiency in Python, FastAPI, Postgres, and SQLAlchemy. Familiar with distributed systems, cloud deployments, and tools like Redis, Celery, Sentry, and New Relic. Experience leading projects end-to-end in fast-paced environments A strong More ❯

hardware and software designing scalable backend systems that connect thousands of machines, handle massive real-time data flows. What You’ll Do: Design, build, and scale backend systems using FastAPI and modern Python tooling. Architect highly efficient systems to handle thousands of concurrent data streams from connected devices. Develop APIs for edge devices and integrate backend services with their frontend … engineers and scientists to deliver innovative AI solutions for real manufacturing environments. About You: 3+ years of experience building and deploying backend systems at scale. Strong proficiency in Python, FastAPI, Postgres, and SQLAlchemy. Familiar with distributed systems, cloud deployments, and tools like Redis, Celery, Sentry, and New Relic. Experience leading projects end-to-end in fast-paced environments A strong More ❯

hardware and software designing scalable backend systems that connect thousands of machines, handle massive real-time data flows. What You’ll Do: Design, build, and scale backend systems using FastAPI and modern Python tooling. Architect highly efficient systems to handle thousands of concurrent data streams from connected devices. Develop APIs for edge devices and integrate backend services with their frontend … engineers and scientists to deliver innovative AI solutions for real manufacturing environments. About You: 3+ years of experience building and deploying backend systems at scale. Strong proficiency in Python, FastAPI, Postgres, and SQLAlchemy. Familiar with distributed systems, cloud deployments, and tools like Redis, Celery, Sentry, and New Relic. Experience leading projects end-to-end in fast-paced environments A strong 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 ❯

Backend Engineer – London (Hybrid) Our client is a fast-growing software business delivering market-leading ticketing products to forward-thinking organisations worldwide. Their platform is used by hundreds of thousands of people and powers ticket sales for some of the More ❯

Backend Engineer – London (Hybrid) Our client is a fast-growing software business delivering market-leading ticketing products to forward-thinking organisations worldwide. Their platform is used by hundreds of thousands of people and powers ticket sales for some of the More ❯

Backend Engineer – London (Hybrid) Our client is a fast-growing software business delivering market-leading ticketing products to forward-thinking organisations worldwide. Their platform is used by hundreds of thousands of people and powers ticket sales for some of the 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 ❯

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 ❯

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 ❯