25 of 25 Permanent Flask Jobs in London

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 ...

Qualifications: 10+ years of commercial software development experience. Proven success in high-performing engineering teams within fast-paced environments. Deep expertise in: Python (Django, Flask, or FastAPI) PostgreSQL (design, optimisation, maintenance) Containerisation (Docker/Kubernetes) Event-driven architecture (Kafka/RabbitMQ) Desirable experience includes: TypeScript/JavaScript (NextJS, NodeJS, Tailwind ...

complex problems in data flow, latency, and scale Contributing to a culture of fast iteration, clean code, and continuous learning 🧰 Tech Stack: Python (FastAPI, Flask) TypeScript, Node.js, React PostgreSQL, Redis, Kafka Docker, Kubernetes, AWS CI/CD with GitHub Actions, Terraform 💼 What You’ll Bring: Experience in working on Defence ...

responsibilities include: Design, develop and maintain full-stack web applications using C#, Python and JavaScript Build and enhance backend services using frameworks including .NET, Flask, and Django Develop user friendly front end interfaces with React, Angular or similar Create and maintain RESTful API’s, microservices, and integrations with third party ...

building scalable mobile APIs (REST, HTTPS, etc.). Good principles of security management (secrets, protocols, etc.). Experience with some Python web frameworks (Django, Flask, FastAPI, etc.). Desirable Skills 👌 Can speak, or learning to speak, more than one language Experience with real-time and/or in-memory databases ...

organised and have excellent communication & time management skills. Tech stack: AWS/GCP Python - Preferred Docker Preferred or Kubernetes SQL/PostgreSQL Git Nginx Flask or Fast API CI/CD, API development & Management, NLP, Machine Learning Experience & skills: 5+ years of commercial experience as a Data Scientist with current ...

translate complex requirements into clean backend solutions Owning performance, reliability, and developer experience improvements What They're Looking For Strong Python backend experience — Flask currently, migrating to FastAPI with type annotations Proven experience designing and building APIs within service-oriented or microservices architectures Solid SQL and PostgreSQL — comfortable with complex ...

translate complex requirements into clean backend solutions Owning performance, reliability, and developer experience improvements What They're Looking For Strong Python backend experience — Flask currently, migrating to FastAPI with type annotations Proven experience designing and building APIs within service-oriented or microservices architectures Solid SQL and PostgreSQL — comfortable with complex ...

established RTL processes Required Experience Strong commercial experience as a Python Engineer, AI Engineer or Backend Engineer Expertise with Python frameworks such as FastAPI, Flask or Django Hands‐on experience building RESTful APIs and scalable backend services Solid understanding of API security, versioning, performance and distributed system design Strong knowledge ...

Essential: 5+ years in high-impact, early-stage product teams: you've shipped and scaled full stack products Strong backend (Node.js, Python/Flask, FastAPI) and frontend (React, Next.js, Vue) fundamentals ML/data science proficiency: Python, SQL, pandas, scikit-learn, PyTorch/TensorFlow Experience with cloud platforms ...

infrastructure. This is an opportunity to join a driven team where your work matters and your input is valued. Key Skills: Backend development (Python, Flask, FastAPI) Frontend development (React, JavaScript, TypeScript) Cloud and infrastructure experience (Terraform, GCP, AWS) Strong problem-solving skills and a pragmatic approach to building solutions Initiative ...

reviews Collaborate closely with Product and cross-functional domain experts Continuously improve performance, quality and developer experience What We’re Looking For Strong Python (Flask moving to FastAPI with Typing) backend experience Proven experience building APIs within service-oriented architectures Solid SQL knowledge PostgreSQL AWS (Lambda, ECS) Docker Strong system ...

systems problems and building software that actually holds up in the real world, this is a rare opportunity. Tech stack Python (FastAPI, Django or Flask) - experience across Rust, Golang, C++ useful AWS (experience with Azure or GCP also useful) Cursor and Claude Code SQL and strong database design What ...

solutions. Communicate technical trade-offs and manage cross-team dependencies. Essential skills and requirements: Strong experience building production backend systems and APIs in Python (Flask or similar). Proven ownership of asynchronous or compute-intensive workflows. Experience delivering full-stack features (e.g., Next.js). Practical understanding of AI lifecycle workflows ...

Experience with async programming (asyncio) and concurrency Familiarity with Celery or distributed task processing systems Experience with WebSockets or real-time systems Familiarity with Flask (experience with Quart is a plus) Experience with Pydantic for data validation and modelling Solid understanding of databases and data access patterns Professional experience with ...

layer and integrations framework, helping evolve our systems from high-performing prototypes into secure, scalable, production-grade platforms. Our current stack includes: · Python/Flask backend · Jinja2 templating · Modular vanilla JavaScript (no front-end framework) · Tailwind CSS · Snowflake and S3 for data storage · PySCIP for optimisation workflows In addition ...

models and manage prompt versioning and evaluation metrics. Technical Skills & Requirements · Programming: Expert proficiency in Python (Pydantic, AsyncIO, API development with FastAPI/Flask). · AWS AI Stack: Hands-on experience with Amazon Bedrock APIs, SageMaker (Training Jobs, Inference Endpoints), and Vector Databases. · Frameworks: extensive experience with LangChain, LlamaIndex ...

Develop and maintain Python code for data processing, API development, and integration with the Azure Databricks environment. Utilise relevant Python libraries and frameworks (e.g., Flask, Django, Pandas, NumPy). Collaborate with cross-functional teams to build and enhance banking applications Work closely with UI/UX Designers to integrate visualizations ...

agile team What they're looking for Strong commercial experience working with Python Hands-on experience developing APIs using FastAPI or similar frameworks (eg Flask or Django) A strong focus on performance, scalability, and automation Exposure to, or a genuine interest in, AI and data-driven technologies A curious, solutions ...

140k 🚀🧠 💰 Salary: £70,000 - £140,000 + meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 2/3 days in office 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering team within the AI space. The platform is being ...

innovation cycles (2–6 weeks) • Develop GenAI solutions using LLMs, SLMs and vision models • Implement RAG pipelines and agentic workflows • Build lightweight APIs using Flask or Django • Deploy solutions using serverless and cloud-native services • Collaborate in client workshops, demos and innovation sprints • Experiment with emerging AI tools and frameworks ...

TypeScript Location: London (hybrid) Salary: £120,000 - £160,000 + equity Tech Stack: Backend: Python (strong typing, well-structured APIs - Django or FastAPI or Flask) Frontend: React, TypeScript Systems: Data modelling, integrations, platform architecture Are you an engineer who thinks in systems, not tickets? We’re working with a high ...

Python Developer - (Python/React) - Remote Python Developer with strong Python (Flask Framework), React, and AWS experience is needed for one of our clients, an independent, research-tech startup that is transforming how the world evaluates and trusts academic research. This is a great opportunity for any experienced Python Developer … across backend, frontend, DevOps, and data engineering initiatives. The role is fully remote, with the odd meet up in London Key Skills Required Python (Flask) React/TypeScript Comfort working in AWS environments, ideally with EKS/Kubernetes Strong Git-based development workflows Experience delivering features ...

Full-Stack Software Engineer (Python/React) - Remote Full-Stack Software Engineer with strong Python (Flask Framework), React, and AWS experience is needed for one of our clients, an independent, research-tech startup that is transforming how the world evaluates and trusts academic research. This is a great opportunity … engineering initiatives. The role is fully remote, with the odd meet up in London Key Skills Required Strong experience in Full-Stack Engineering Python (Flask) React/TypeScript Comfort working in AWS environments, ideally with EKS/Kubernetes Strong Git-based development workflows Experience delivering features ...

design, backend development, and data engineering. Key Responsibilities Design and develop AI and Generative AI applications using Python. Build backend services and APIs using Flask or Django for AI-powered systems. Work with enterprise databases (SQL-based systems) to ingest, transform, and manage large datasets. Develop and integrate GenAI capabilities … enabled automation Python development: Strong coding and data processing experience SQL and database experience: Querying, data modeling, and data integration Backend frameworks: Django or Flask API development: RESTful services and microservice architecture AI system architecture/solution design: Designing scalable AI applications Cloud platforms: Azure AI services preferred Data platforms ...