1 to 25 of 43 Permanent Flask Jobs in the UK

Mid-Level Full Stack Engineer (C#, Python, JavaScript)

Hiring Organisation
Synergize Consulting
Location
Greater Bristol Area, United Kingdom
secure platforms . Key Responsibilities Design, develop, and maintain full-stack applications using C#, Python, and JavaScript Build and enhance backend services using .NET, Flask, or Django Develop responsive front-end applications using React, Angular, or similar frameworks Create and maintain RESTful APIs, microservices, and system integrations Work across Azure ...

Senior Developer

Hiring Organisation
Reed.co.uk
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 per annum
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 ...

Python Software Engineer - To £65,000

Hiring Organisation
Morson Edge
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
upgrade existing systems. Required Skills & Qualifications 5+ years of professional experience in Python software development. Strong knowledge of Python frameworks such as Django, Flask, or FastAPI. Experience with SQL and NoSQL databases (e.g., PostgreSQL, MongoDB). Familiarity with cloud platforms (AWS, GCP, or Azure). Experience with containerization tools (Docker ...

Senior Software Developer (Full Stack)

Hiring Organisation
Reed
Location
Holborn, London, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £95,000 per annum, Inc benefits
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 ...

Full Stack Engineer

Hiring Organisation
FryerMiles Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £75,000 per annum
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 ...

Senior Full Stack Developer

Hiring Organisation
Glite Tech
Location
London Area, United Kingdom
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 ...

Full Stack Developer (Python)

Hiring Organisation
RP Recruitment Ltd
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
mentor junior developers Collaborate with cross-functional teams in an Agile environment Key Responsibilities Develop complex applications using Core Python and frameworks such as Flask Apply best practices: OOP, exception handling, and efficient data structures Build responsive front-end interfaces using Vue.js, JavaScript, HTML, and CSS Design and optimize ...

data platform engineer

Hiring Organisation
Cortech Talent Solutions Ltd
Location
Glasgow, Scotland, United Kingdom
MUST apply via this advert ** Key skills: Capable of deploying and maintaining infrastructure Python (must) API design and frameworks FastAPI ideally (but Flask and Django, in said order, would indicate this) Experience with AWS ideally (Azure or GCP would be a good indication) Experience with Infrastructure as Code, CDK ideally ...

Senior Data Scientist

Hiring Organisation
Ronald James
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £100,000 per annum
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 ...

Senior Software Engineer

Hiring Organisation
TechShack
Location
Oxford, England, United Kingdom
practices Work cross-functionally with highly technical teams on complex challenges What We’re Looking For Strong experience building backend systems in Python (FastAPI, Flask, Django, etc.) Experience with microservices/distributed systems Hands-on experience with Docker and Kubernetes Solid understanding of scalable, reliable system design Experience working ...

Generative AI Engineer

Hiring Organisation
TechNET IT Recruitment Ltd
Location
London Area, United Kingdom
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 ...

Founding Engineer

Hiring Organisation
Higher - AI recruitment
Location
City of London, London, United Kingdom
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 ...

Python Developer

Hiring Organisation
ADLIB
Location
Bristol, Avon, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £50,000 per annum
What experience you’ll need to apply Python. Excellent backend development skills, including APIs, automation and CLI tools. Experience with FastAPI (or Django/Flask). Strong Linux experience and background using it for development, testing and deployment. SQL and NoSQL experience, ideally including SQLite and DynamoDB. Experience working with ...

Product Engineer -TWE44721

Hiring Organisation
twentyAI
Location
City of London, London, United Kingdom
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 ...

Python Developer

Hiring Organisation
Arrows
Location
City of London, London, United Kingdom
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 ...

Senior Software Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
City of London, London, United Kingdom
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 ...

Senior Software Engineer

Hiring Organisation
ByteHire
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Lead Python Engineer

Hiring Organisation
Opto Talent
Location
City of London, London, United Kingdom
software engineering experience, ideally within AI, SaaS, or automation platforms. Strong experience building backend systems in Python. Experience with frameworks such as FastAPI, Flask, or Django. Experience working with APIs, data pipelines, and scalable systems. Familiarity with cloud infrastructure and microservices architectures. Experience with Git, CI/CD, and modern ...

Senior Software Engineer

Hiring Organisation
Advanced Resource Managers
Location
Greater Bristol Area, United Kingdom
collaboration with systems, test, and DevOps teams Your skillset may include: Proficiency in Python (including pytest), git, Docker, and AWS Experience building full-stack Flask applications Experience designing, implementing, and testing software components Knowledge of secure coding practices and cybersecurity considerations Familiarity with version control and configuration management ...

Agentic AI Engineer – Microsoft Ecosystem

Hiring Organisation
Avanade
Location
England, United Kingdom
Foundry, and have at least one year of relevant experience. Strong software development background with proficiency in Python. Experience with API development using FastAPI, Flask, or Django. Knowledge of Docker and containerized deployments. Hands-on experience with LLM models such as OpenAI GPTs, Claude, Gemini, LLaMA, or Mistral. Expertise ...

Senior Full-Stack Engineer – Web Platform & Integrations

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

Senior AI Engineer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
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 ...

Senior Python Developer

Hiring Organisation
Mastek
Location
City of London, London, United Kingdom
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 ...

Node, TypeScript, React Developer

Hiring Organisation
The Portfolio Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
£70000/annum
platform. Tech Stack: At least 6-8 years commercial experience with Node, JavaScript or TypeScript 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 ...

Senior AI Engineer - Market Intelligence

Hiring Organisation
Harnham
Location
United Kingdom
retrieval and reasoning • Build agentic AI workflows using frameworks such as LangChain or similar • Develop LLM microservices using Python frameworks such as FastAPI or Flask • Build internal AI tools including chatbots, automation systems, and workflow assistants • Deploy AI services on AWS infrastructure and manage reliability and monitoring • Work with vector ...