1 to 25 of 65 Permanent Flask Jobs in London

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 ...

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 ...

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 ...

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 Consultant - Agentic AI & Generative AI

Hiring Organisation
Deerfoot Recruitment Solutions
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
such as streaming, review loops, provenance/citations, long-running tasks and error recovery. Back-end: Django (5.x+), DRF, FastAPI, Pydantic, Celery, Django Channels, Flask and RESTful APIs. Databases and storage: PostgreSQL, MS SQL Server, MongoDB, Firestore, BigQuery, Azure Blob Storage. Cloud and DevOps: Azure (App Services, OpenAI ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
Required Skills & Qualifications 6-11 years of professional software development experience with strong expertise in Python. Solid understanding of Python frameworks such as Django, Flask, or FastAPI. Experience in building RESTful APIs and microservices architecture. Strong knowledge of data structures, algorithms, and object-oriented programming. Hands-on experience with databases ...

Senior AI Engineer

Hiring Organisation
INFUSED SOLUTIONS LIMITED
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
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 ...

Agentic / GenAI Consultant / Senior Consultant

Location
Greater London, England, United Kingdom
Cypress.Build AI product UX patterns (streaming, review loops, provenance/citations, long-running tasks, error-recoveryBackend: Django (5.x+), DRF, FastAPI, Pydantic, Celery, Django Channels, Flask, RESTful APIs.Databases & Storage: PostgreSQL, MS SQL Server, MongoDB, Firestore, BigQuery, Azure Blob Storage.Cloud & DevOps: Azure (App Services, OpenAI, AKS), GCP (Vertex AI, Cloud Run), Docker ...

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 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 ...

Junior Software Developer

Location
Greater London, England, United Kingdom
applications using React.js (frontend) and Node.js (backend). Build and integrate backend services and APIs using Python with a web framework (e.g. Django, Flask, or FastAPI). Design, query, and manage relational and NoSQL databases (PostgreSQL, SQL, MongoDB). Work on machine learning tasks including object detection, model training ...

Senior Backend Engineer

Location
Greater London, England, United Kingdom
across charters to ensure consistency and maintainability. Qualifications Demonstrable backend engineering experience, with architectural ownership over services or distributed systems. Expertise in Python, FastAPI, Flask, or Node.js and modern backend development patterns. Strong understanding of microservices, concurrency, async programming, and event‐driven architectures. Proficiency with SQL and NoSQL databases (PostgreSQL ...

Senior Machine Learning Scientist

Location
London, United Kingdom
layered datasets (including imbalanced data) and integrating data pipelines into AI services Hands-on experience building and deploying web APIs using libraries such as Flask or FastAPI. Proficiency with database technologies such as SQL Server or Postgres, etc. Strong stakeholder communication skills: able to explain technical designs, risks, and operational ...

Senior Machine Learning Scientist

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
layered datasets (including imbalanced data) and integrating data pipelines into AI services Hands-on experience building and deploying web APIs using libraries such as Flask or FastAPI. Proficiency with database technologies such as SQL Server or Postgres, etc. Strong stakeholder communication skills: able to explain technical designs, risks, and operational ...

Software Engineer, Enterprise

Location
Greater London, England, United Kingdom
distributed services, reliability, and scalability. Proficiency in Python or TypeScript , with experience designing high-performance APIs and backend architectures using frameworks such as FastAPI, Flask, Express, or NestJS. Deep familiarity with cloud infrastructure (AWS and Azure preferred), including container orchestration (Kubernetes, Docker) and Infrastructure-as-Code tools like Terraform. Experience ...

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 ...

Agentic AI / GenAI Consultant | From PoC to Production

Location
City Of London, England, United Kingdom
Supporting demonstrations, proposals, bids and the development of new AI offerings Experience Required Building robust AI services and APIs using Python, FastAPI, Django or Flask, supported by strong SQL Create engaging, responsive AI products using TypeScript, JavaScript, React and Next.js Ground LLM applications in trusted business data through ...

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 ...

Senior Software Developer (Python)

Location
Greater London, England, United Kingdom
network domain experts to translate business requirements into robust software solutions. Develop backend services and APIs using Python and modern frameworks such as FastAPI, Flask, or Django. Design and implement containerised applications using Docker and Kubernetes. Build and maintain CI/CD pipelines to enable reliable testing, deployment, and monitoring. … culture. What you’ll bring Ess ent criteria: Strong commercial experience developing software applications using Python. Experience with modern Python frameworks such as FastAPI, Flask, or Django. Strong understanding of software engineering principles including testing, design patterns, maintainability, and code quality. Experience building and deploying applications on cloud platforms, preferably ...

Senior Data Engineer

Location
Greater London, England, United Kingdom
infrastructure (Azure or AWS, GCP is beneficial) SQL and relational databases (e.g. MS SQL/Azure SQL, PostgreSQL) You have framework experience within either Flask, Tornado or Django, Docker Experience working with ETL pipelines is desirable e.g. Luigi, Airflow or Argo Experience with big data technologies, such as Apache Spark ...

Full Stack Software Engineer

Location
Greater London, England, United Kingdom
with a strong eye for intuitive UI/UX design. You possess solid backend development skills in Python or TypeScript frameworks (such as FastAPI, Flask, or Django) and are comfortable managing the full application lifecycle. You are experienced in deploying software within cloud environments like AWS, Azure, or GCP, ideally ...

Senior ML Software Engineer

Location
Greater London, England, United Kingdom
models as production services, API design, and service integration Strong Python skills and service/backend engineering experience (ideally in FastAPI/OpenAPI, Flask, Go, or Java) Production experience with containerization and orchestration (ideally Kubernetes – EKS/OpenShift), Docker, and IaC (ideally Terraform or Terraform Cloud) Ownership of CI/ ...

Senior Engineer

Location
Greater London, England, United Kingdom
excited about using technology to improve healthcare, particularly for women and families. Specific Requirements Backend experience with Node.js and/or Python (FastAPI, Flask) Experience with front end frameworks (React, Next.js, Vue). Exposure to cross platform frameworks a plus (e.g. React Native). Experience deploying and operating systems ...

Senior MLOps Engineer

Hiring Organisation
AECOM
Location
London, United Kingdom
Salary
£ 70 K
building and owning ML pipelines, model deployment, serving, monitoring, or lifecycle infrastructureSolid programming skills in Python, plus experience with web libraries such as FastAPI, Flask, or DjangoHands-on experience with containerization (Docker), CI/CD pipelines, and cloud environments (we use Azure)Experience making architecture decisions and troubleshooting complex production ...