1 to 25 of 119 Flask Jobs in the UK

Senior Fullstack Engineer (Python + React.js)

Location
Greater London, England, United Kingdom
strong focus on building scalable, high-performance systems. Technical Skills: Python expertise, with hands‐on experience building backend services and APIs using FastAPI, Flask or similar. Experience in designing and developing end-to-end (E2E) tests to ensure smooth integration between backend and frontend components. A solid understanding of microservices ...

Senior Python Developer/ Engineer

Location
City of Westminster, England, United Kingdom
Contribute to documentation, knowledge sharing, and continuous improvement within the engineering team. Requirements: Professional software engineering experience. Strong commercial experience with Python using FastAPI, Flask, or similar backend frameworks. Extensive experience developing RESTful APIs, microservices, and backend services. Strong hands‐on experience with AWS cloud services, including ECS Fargate, Lambda ...

Sr. Technical Lead / Architect

Location
Greater London, England, United Kingdom
experience in software engineering and technology, across relevant technical roles and responsibilities; Solid experience with Python and backend development using frameworks such as FastAPI, Flask, or Django; Experience designing and developing RESTful APIs; Good understanding of front-end development with React JS, JavaScript (ES6+), and TypeScript; intermediate knowledge is sufficient ...

Site Reliability Software Engineer (Hybrid)

Location
Greater London, England, United Kingdom
Azure App Services, Azure Functions, virtual machines, storage, networking, and monitoring Docker and Linux-based application hosting SQL Server, PostgreSQL, or SQLite IIS, Nginx, Flask, FastAPI, Django, Node.js, or similar web stacks Secure file transfer, API integrations, and healthcare system interfaces Monitoring, alerting, logging, and incident response platforms We offer ...

Mid-Senior Software Developer (.NET / Python)

Hiring Organisation
Computer Futures
Location
Midlands, United Kingdom
Employment Type
Permanent
Salary
£65,000
control and modern development workflows Experience using Docker and containerised deployments Strong debugging and troubleshooting capabilities Excellent communication and problem-solving skills Desirable FastAPI, Flask or Django RabbitMQ or other messaging technologies Microservices architecture CI/CD pipelines Azure or cloud-hosted environments Linux environments AI/LLM integrations ...

Mid-Senior Software Developer (.NET / Python)

Hiring Organisation
Computer Futures
Location
United Kingdom
Employment Type
Permanent
Salary
GBP 55,000 - 65,000 Annual
control and modern development workflows Experience using Docker and containerised deployments Strong debugging and troubleshooting capabilities Excellent communication and problem-solving skills Desirable FastAPI, Flask or Django RabbitMQ or other messaging technologies Microservices architecture CI/CD pipelines Azure or cloud-hosted environments Linux environments AI/LLM integrations ...

Senior Full Stack Software Engineer September 4, 2026

Location
Glasgow, Scotland, United Kingdom
Computer Science or a related field. 5+ years of commercial full stack engineering experience. Strong Python skills with production experience in FastAPI, Django, Flask, or similar. PostgreSQL fluency schema design, SQL, and ORM frameworks such as SQLAlchemy. Proven commercial experience with TypeScript, React, and a genuine interest in UI/ ...

Senior Software Developer, Team Lead

Location
Dudley, England, United Kingdom
modern frontend frameworks (React, Vue, Angular, or equivalent) Strong experience with backend frameworks and API development (e.g., Node.js/Express, FastAPI/Django/Flask, ASP.NET, Spring Boot, or similar) Experience with relational and NoSQL databases (e.g., PostgreSQL, SQL Server, DynamoDB, MongoDB, Cosmos) including data modeling, query optimization, and understanding ...

AI Transformation Developer

Location
Greater London, England, United Kingdom
years of Python development experience, with 2+ years of AI/ML development Strong proficiency in Python and experience with frameworks such as Django, Flask, or FastAPI Experience with API development, integration, and web services in production environments Hands‐on experience integrating AI or ML models, LLM APIs, or automation ...

Senior AI Engineer - Perm - London

Hiring Organisation
INFUSED SOLUTIONS LIMITED
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
Learning, NLP or AI platforms. Experience productionising machine learning models at scale. Strong experience designing RESTful APIs and microservices using frameworks such as FastAPI, Flask or Django. Experience working with SQL and relational databases, including performance optimisation. Experience designing cloud-native solutions within AWS and/or Azure. Strong understanding ...

Principal Cloud Engineer (Terraform), London

Location
Greater London, England, United Kingdom
/Apache Iceberg, and advanced SQL for large‐scale transformations. Microservices & APIs: experience building modular, production‐grade microservices and REST APIs using Python (FastAPI, Flask, or equivalent); understanding of service design principles including versioning, fault tolerance, and observability. Cloud platforms: working knowledge of cost and usage data schemas across Azure ...

Senior Software Engineer, Full Stack

Location
United Kingdom
full stack engineering experience with production web applications and backend services Strong skills and programming experience in Python Experience developing web applications using FastAPI, Flask, or Django Experience with frontend development in TypeScript/JavaScript, Next.js, React, and MUI frameworks Familiarity with PostgreSQL, Redis, and REST API design and integration ...

Senior Software Engineer, Full Stack

Location
Cambridge, England, United Kingdom
full stack engineering experience with production web applications and backend services Strong skills and programming experience in Python Experience developing web applications using FastAPI, Flask, or Django Experience with frontend development in TypeScript/JavaScript, Next.js, React, and MUI frameworks Familiarity with PostgreSQL, Redis, and REST API design and integration ...

Senior Full Stack Software Engineer

Location
Greater London, England, United Kingdom
others. Our technology stack consists of: React Native mobile applications React web applications GraphQL layer using Apollo Server and Apollo Client Python services running Flask and FastAPI Kubernetes based microservice architecture running on Google Cloud Platform Cloud Postgres and Google BigQuery datastores with DBT data transformations Google PubSub and MQTT ...

Senior Software Engineer August 6, 2026

Location
Glasgow, Scotland, United Kingdom
ADRs, process improvements, and workstream planning. What You’ll Bring Core Significant commercial software engineering experience. Strong Python, with production experience in FastAPI, Django, Flask, or similar. PostgreSQL fluency, schema design, query optimisation, and ORM frameworks such as SQLAlchemy/SQLModel. Commercial experience with TypeScript and React, and a genuine ...

Senior Backend Developer

Location
Glasgow, Scotland, United Kingdom
similar role. Proficiency in one or more programming languages such as Python, Java, C#, Node.js, or Ruby. Strong knowledge of backend frameworks like Django, Flask, Spring Boot, .NET Core, or Express.js. Experience with C# .NET Core, Entity Framework, and MVC architecture. Hands-on experience with cloud platforms such ...

Senior Python Backend Software Developer

Location
Greater London, England, United Kingdom
quickly Ability to effectively communicate complex technical concepts to team members and stakeholders. Familiarity with coding in Django and the Django Rest Framework, or Flask Web frameworks Degree in Computer Science (or similar), at 2:1 or above Amazon Web Services SQL/PostgreSQL Build pipeline and CI with GitHub ...

AI & ML Systems Engineer

Hiring Organisation
Logix Resourcing
Location
Cambridge, Cambridgeshire, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
PostgreSQL (with PostGIS for spatial data), Redis, or time-series databases. API & Middleware Development: Experience building robust RESTful APIs and WebSocket pipelines (using FastAPI, Flask) for streaming low-latency data and alert triggers between processing backends and Front End applications. Experience with cloud platforms (eg, AWS, Azure ...

FullStack Developer

Hiring Organisation
DNS Info Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day
coding practices. Work within Agile/Scrum development environments. Troubleshoot and resolve production issues. Required Skills Backend Strong experience with Python Experience with FastAPI , Flask , or Django REST API and Microservices development Object-Oriented Programming (OOP) SQL and database design Frontend Strong knowledge of React.js JavaScript (ES6+), TypeScript HTML5, CSS3 … Experience working in enterprise-scale environments. Ability to work independently and in cross-functional teams. Exposure to Agile delivery methodologies. Keywords: Python, React.js, FastAPI, Flask, Django, TypeScript, AWS, Azure, Docker, Kubernetes, CI/CD, PostgreSQL, Microservices, REST APIs. ...

Python Developer

Hiring Organisation
NEEV LIMITED
Location
London, United Kingdom
Employment Type
Contract
Databricks for building scalable, data-driven Note: Investment banking exp is required. Key Responsibilities Backend Development (Python) Build APIs and services using Python frameworks (Flask, FastAPI, Django). Integrate with Databricks SQL endpoints for data access. Ensure performance, scalability, and security of backend systems. Databricks & Data Engineering Develop ETL pipelines ...

Full Stack Engineer - Contract - Long Term

Hiring Organisation
VIQU IT
Location
London, United Kingdom
Employment Type
Contract
turning what they need into something buildable. What You Will Need Python. Serious commercial experience building back end services, APIs and tooling. FastAPI, Django, Flask, whichever you have used in anger. TypeScript. Serious commercial experience on modern front ends with React, Vue or Angular. Linux. Properly comfortable without ...

Full Stack Engineer - Contract

Hiring Organisation
Morela Solutions
Location
London Area, United Kingdom
turning what they need into something buildable. What You Will Need Python. Serious commercial experience building back end services, APIs and tooling. FastAPI, Django, Flask, whichever you have used in anger. TypeScript. Serious commercial experience on modern front ends with React, Vue or Angular. Linux. Properly comfortable without ...

Full Stack Engineer (Investment Platform)

Location
Greater London, England, United Kingdom
building & maintaining applications to support internal business processes and workflows. Proficiency in front end app development (React/JavaScript or similar) and web framework (Flask/Django/FastAPI) Highly capable in data pipelining using tools like Airflow & DBT, and data extraction, manipulation and reporting using Python & SQL. Experience with ...

Python Technical Lead FinTech

Hiring Organisation
Run-Time Group Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
guide architectural decisions, and ensure engineering excellence across backend services. Python Engineering Design and build robust, secure, and scalable microservices using Python (FastAPI, Django, Flask). System Architecture Lead the design of distributed systems, event-driven architectures, and high-availability platforms. Team Mentorship Coach engineers, conduct code reviews, and foster ...

frontend developer for Physical AI

Location
Greater London, England, United Kingdom
datasets Experience integrating frontends with REST or GraphQL APIs Strong understanding of service-oriented architecture, data modeling, and Python web frameworks such as FastAPI, Flask, or Django Practical experience with PostgreSQL, Docker, Kubernetes, Sentry, Datadog, and OpenTelemetry Experience with unit, integration, and end-to-end testing, CI/CD pipelines ...