22 of 22 Flask Jobs in London

in a senior or technical lead role. Proven expertise in full-stack development using: TypeScript (and JavaScript frameworks such as NextJS, Node, or Tailwind) Python (including frameworks like Django, Flask, or FastAPI) PostgreSQL and relational database design, optimization, and maintenance. AI Development Tools such as Windsurf, Aider or Augment. Demonstrable experience building and scaling SaaS platforms in a production environment. More ❯

technical 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 More ❯

technical 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 More ❯

to contribute to innovative cloud and data-driven projects within a collaborative and forward-thinking technical environment. Key Responsibilities: Design, build and maintain full-stack applications using Python (Django, Flask or FastAPI) and modern JavaScript frameworks (such as React, Vue or Angular) Develop and optimise ETL pipelines , data workflows and API integrations Collaborate with data engineers and analysts to ensure More ❯

to contribute to innovative cloud and data-driven projects within a collaborative and forward-thinking technical environment. Key Responsibilities: Design, build and maintain full-stack applications using Python (Django, Flask or FastAPI) and modern JavaScript frameworks (such as React, Vue or Angular) Develop and optimise ETL pipelines , data workflows and API integrations Collaborate with data engineers and analysts to ensure More ❯

complex technologies. This is a fantastic opportunity to deepen your skills across both backend and frontend development, with dedicated time for learning and growth. The Tech Stack: Backend: Python (Flask, Django, FastAPI), C++ Frontend: React.js, TypeScript, modern JavaScript Bonus Exposure: ML modelling What You’ll Be Doing: Building clean, maintainable code in Python and Javascript Developing and integrating REST APIs More ❯

discipline (Science, Technology, Engineering, or Mathematics) Strong experience with Python Experience or a solid understanding of finance or financial systems Fullstack development experience using JavaScript and React Experience with Flask or similar Python web frameworks Familiarity with functional programming Experience working with PostgreSQL or other SQL databases Knowledge of Docker and containerized environments Exposure to cloud platforms (ideally AWS ) Experience More ❯

with engineers, PMs, and designers to ship fast Contribute to system architecture and CI/CD practices What We're Looking For Experience building backend systems with Python (FastAPI, Flask, or Django) Solid understanding of microservices, cloud infrastructure, and APIs Familiar with SQL/NoSQL, version control (Git), and CI/CD pipelines Strong fundamentals: data structures, OOP, debugging Curious More ❯

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 More ❯

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 collaborative mindset More ❯

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 collaborative mindset More ❯

working across the stack - React on the front end, Python on the back end. You'll: Build responsive UIs in React Develop APIs & services in Python (either Django/Flask/FastAPI) Own features end-to-end Help shape our tech stack You have: Strong React & Python skills API & database experience A proactive, problem-solving mindset Ideally start-up or More ❯

engineering community, contributing to knowledge-sharing initiatives and events. Share your expertise to motivate and mentor your team. Required Skills: Proven experience designing and building REST APIs (ideally with Flask, FastAPI, or similar frameworks). Expertise in designing architectures that meet scalability, reliability, and security goals. Strong problem-solving skills, particularly in product development. Solid understanding of backend best practices More ❯

working across the stack - React on the front end, Python on the back end. You'll: Build responsive UIs in React Develop APIs & services in Python (either Django/Flask/FastAPI) Own features end-to-end Help shape our tech stack You have: Strong React & Python skills API & database experience A proactive, problem-solving mindset Ideally start-up or More ❯

we modernise and scale our platform. Tech Stack: At least 4 years commercial experience with JavaScript or TypeScript and Node Exposure of Laravel and/or Python (Django or Flask a plus) Familiarity with Drupal and some knowledge of modern front-end frameworks (React, Vue, etc.) What You'll Do: Build scalable applications using modern frameworks and clean architecture Contribute More ❯

we modernise and scale our platform. Tech Stack: At least 4 years commercial experience with JavaScript or TypeScript and Node Exposure of Laravel and/or Python (Django or Flask a plus) Familiarity with Drupal and some knowledge of modern front-end frameworks (React, Vue, etc.) What You'll Do: Build scalable applications using modern frameworks and clean architecture Contribute More ❯

we modernise and scale our platform. Tech Stack: At least 4 years commercial experience with JavaScript or TypeScript and Node Exposure of Laravel and/or Python (Django or Flask a plus) Familiarity with Drupal and some knowledge of modern front-end frameworks (React, Vue, etc.) What You'll Do: Build scalable applications using modern frameworks and clean architecture Contribute More ❯

use the tools and languages you're most comfortable with. That said, we strongly prefer contributions using our core stack: React/TypeScript on the frontend, and Python/Flask on the backend. 60min technical discussion 30min call with leadership The process does not need to take long - we can be done in seven working days. Other important info: This More ❯

experience as a Lead Full Stack Develope r What you’ll do: • Craft sleek, responsive UIs with React • Build robust APIs & backend services in Python (FastAPI or Django/Flask) • Design, develop, and own features end-to-end • Influence the evolution of our tech stack • Work with cutting-edge tools: GCP/AWS/Azure, MySQL, Firestore, Docker/Kubernetes … CD, IaC • Champion security best practices in a regulated space • Explore AI & machine learning (LLMs, LangChain, TensorFlow, PyTorch) What you’ll bring: • Strong React & Python (FastAPI/Django/Flask) experience • Solid API design & database skills • Start-up or scale-up mindset, adaptable and hands-on • Passion for AI and innovation in healthcare Why join? • Build something that genuinely changes More ❯

experience as a Lead Full Stack Develope r What you’ll do: • Craft sleek, responsive UIs with React • Build robust APIs & backend services in Python (FastAPI or Django/Flask) • Design, develop, and own features end-to-end • Influence the evolution of our tech stack • Work with cutting-edge tools: GCP/AWS/Azure, MySQL, Firestore, Docker/Kubernetes … CD, IaC • Champion security best practices in a regulated space • Explore AI & machine learning (LLMs, LangChain, TensorFlow, PyTorch) What you’ll bring: • Strong React & Python (FastAPI/Django/Flask) experience • Solid API design & database skills • Start-up or scale-up mindset, adaptable and hands-on • Passion for AI and innovation in healthcare Why join? • Build something that genuinely changes More ❯

maintain end-to-end web applications powered by GenAI and LLMs Collaborate with data scientists, product managers, and designers to deliver impactful tools Develop both backend logic (Python, FastAPI, Flask) and frontend components (React, TypeScript) Implement cloud-native services using Azure , with a focus on scalability and performance Integrate APIs, manage data flows (SQL, GraphDB, CosmosDB), and optimise DevOps pipelines … LLM APIs , and modern development practices What You'll Bring 3+ years' experience building enterprise-grade full stack applications Strong backend skills with Python and frameworks like FastAPI or Flask Solid frontend capabilities using React , TypeScript , HTML/CSS Experience working with both SQL and NoSQL (GraphDB, CosmosDB, Postgres, etc.) Familiarity with cloud development (ideally on Azure ) and containerised deployments More ❯

Senior Python Engineer - Remote - Outside IR35 Our client are currently looking to hire a Senior Python Engineer who is fluent in Python, Flask, Sqlalchemy and Postgres, to join the team on a fully remote working contract basis. In this role as an experienced Python Engineer you will have experience of running multiple different systems in production for real users. You … needs Be a go-to person for backend excellence, and improve code quality Engineering centric requirement definition (user stories) and analysis This means you must: Be fluent in Python, Flask, Sqlalchemy and Postgres Be able to effectively design APIs and database/object schemas Know how to strike the right balance between pragmatic agile iterative development and longer term investment More ❯