1 to 25 of 111 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 ...

Systems Developer

Hiring Organisation
Massenhove Recruitment Limited
Location
London, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £55,000 per annum
Python Strong understanding of Python fundamentals, object-oriented programming, and design patterns Experience with at least one modern Python web framework (e.g. Django, Flask, or FastAPI) Solid understanding of relational databases (e.g. PostgreSQL, MySQL, SQL Server) and SQL Experience with version control (Git) and collaborative workflows (e.g. GitHub, GitLab, Bitbucket ...

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 ...

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 ...

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 ...

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 Development Engineer

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 ...

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 ...

Senior AI Engineer - Perm UK

Hiring Organisation
INFUSED SOLUTIONS LIMITED
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
experience. Experience productionising Machine Learning, NLP or Generative AI models. Strong experience designing and building RESTful APIs and microservices using frameworks such as FastAPI , Flask or Django . Strong SQL skills with experience designing performant relational database solutions. Commercial experience with AWS and/or Azure cloud platforms. Experience designing ...

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 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 ...

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 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 ...

Principal, Cloud Software Engineer

Location
Cambridge, England, United Kingdom
full stack web applications using Python, Java, C++ and modern frontend frameworks. Build scalable backend services and APIs using Python frameworks such as FastAPI, Flask, or Django. Develop responsive, intuitive, and secure user interfaces using React, TypeScript, JavaScript, HTML5, CSS and Tailwind. Build healthcare and research applications that support clinical ...

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 ...

Apprentice Software Developer

Hiring Organisation
Reed Technology
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£20000 - £25000/annum
Interest in modern web development and frameworks such as React and Next.js. Understanding of backend development concepts with frameworks like Node.js, Python (Fast API, Flask, or similar). Basic knowledge of RESTful APIs and system integration. Familiarity with relational and/or NoSQL databases. Exposure to cloud computing platforms like ...

Full stack Engineer - AI

Hiring Organisation
ebury
Location
London, UK
Employment Type
Full-time
integration patternsWhat We're Looking ForMust-Haves5+ years of professional software engineering experience. Strong Python Backend Expertise: Deep experience with FastAPI (or Django/Flask), asynchronous programming, clean architecture, and writing production-grade code. Strong React & TypeScript Skills: Ability to architect non-trivial frontends with sound state management, performance optimization ...

Python/React Developer

Hiring Organisation
Mphasis
Location
London Area, United Kingdom
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 ...

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 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 ...

AI & Automation Developer

Hiring Organisation
Time Recruitment Solutions Ltd
Location
Manchester, United Kingdom
Employment Type
Permanent
manage projects independently from requirements gathering through to deployment. Desirable Experience Experience with any of the following would be advantageous: React & TypeScript Python (FastAPI, Flask or similar) Node.js Electron or desktop application development SQL Server optimisation and performance tuning Workflow automation platforms such as n8n CRM integrations Microsoft Entra ...

Full Stack Engineer - Contract - Long Term

Hiring Organisation
VIQU IT Recruitment
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 ...

Senior Software Developer

Hiring Organisation
Stantec
Location
London, UK
Employment Type
Full-time
5+ years of professional software development experience. Python Mastery: Expert-level knowledge of Python and at least one mainstream framework (e.g., Django, FastAPI, or Flask).Front-End Proficiency: Highly desirable experience with Angular, HTMX, and Alpine.js. You should be comfortable choosing the right tool for the specific UI/ ...