51 to 75 of 127 Flask Jobs in the UK

Senior Software Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
experience as a Full Stack or Frontend/Backend Engineer. Strong experience building React applications. Proficiency with Python, ideally with frameworks such as FastAPI, Flask, or Django. Experience designing and consuming RESTful APIs. Solid understanding of frontend performance optimization and responsive design principles. Experience with CI/CD pipelines ...

Senior/Staff Backend Engineer (London, Hybrid)

Location
Greater London, England, United Kingdom
design Experience deploying on AWS (or similar), with solid CI/CD and production-readiness fundamentals Bonus: Python and a modern web framework (FastAPI, Flask, or Django) Why You’ll Thrive Here Significant equity ownership in one of the top AI companies in the world You’re joining early ...

Senior Python Software Engineer

Location
Greater London, England, United Kingdom
Highly preferred: Experience with TDD, BDD or other testing methodologies Preferred: Familiarity with PostgreSQL and Snowflake Preferred: Familiarity with Web Frameworks such as Django, Flask or FastAPI Preferred: Familiarity with event streaming platforms such as Apache Kafka Preferred: Familiarity with data pipeline platforms such as Apache Airflow Preferred: Familiarity with ...

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/ ...

AI Engineer

Location
Greater London, England, United Kingdom
working with ETL and orchestration tools (e.g., Airflow, Luigi, Argo, dbt), big data technologies (Spark, Kafka, Parquet), and web frameworks for model serving (e.g. Flask or FastAPI). Data Science: Familiarity or experience with classical NLP techniques (BERT, topic modelling, summarisation), statistical analysis, and knowledge graphs. Deep Learning: Familiarity ...

Python Engineer, Financial Data Platform & Integrations

Location
Cardiff, Wales, United Kingdom
data-intensive systems, with the emphasis on recent, demonstrable work Production backend services built and operated in a modern Python framework (FastAPI preferred; Flask or Django fine), including API design, auth, testing, and async programming Reliable third-party API integration (retries, idempotency, rate limits, partial failures, observability), ideally against financial ...

AI Engineer

Location
Greater London, England, United Kingdom
firm is not required, but would be advantageous. Strong Python, plus practical TypeScript or JavaScript. Able to build APIs and services using FastAPI, Flask or comparable technologies, and usable interfaces using React, Next.js or equivalent. Demonstrable experience building AI-enabled products or workflows using LLM APIs, structured outputs, retrieval ...

Senior/Lead Software Engineer

Location
Greater London, England, United Kingdom
tied to a real user need. We prefer short feedback loops to polished first attempts. We build the smallest thing that works. Stack: Python (Flask), Postgres, Celery and AWS (ECS, Lambda, SQS) on the backend; React and TypeScript across web and mobile; GitHub Actions for CI/CD. Experience with ...

Senior Data Scientist

Location
Greater London, England, United Kingdom
comparable MLOps/LLMOps and evaluation tooling. Experience with vLLM, NVIDIA Triton, quantization, GPU memory sizing, or distributed inference. Python backend APIs (FastAPI, Flask, or similar); OpenTelemetry and AI observability. AI safety, prompt injection evaluation, privacy, responsible AI, and model governance. Enterprise code understanding, legacy modernization, or domain‐specific model ...

Senior Data Scientist

Location
United Kingdom
comparable MLOps/LLMOps and evaluation tooling. Experience with vLLM, NVIDIA Triton, quantization, GPU memory sizing, or distributed inference. Python backend APIs (FastAPI, Flask, or similar); OpenTelemetry and AI observability. AI safety, prompt injection evaluation, privacy, responsible AI, and model governance. Enterprise code understanding, legacy modernization, or domain‐specific model ...

Production ML Engineer: Python Backend & AI Systems

Location
United Kingdom
production. You will build scalable, reliable AI systems and own backend services and APIs. You should have strong Python skills, experience with FastAPI/Flask/Django, and hands-on ML deployment knowledge on AWS/GCP/Azure, Docker, CI/CD, and clean architecture. Visa sponsorship ...

Remote Full-Stack Developer - React/Python, Contract

Location
Hensall, England, United Kingdom
Team on a 1-year remote contract. You will design, build, and maintain web apps using React.js and AngularJS, with Python/Flask back-end services and REST APIs. Strong SQL, Git, and Agile experience are required for a collaborative, fast-paced environment. The role emphasizes teamwork, documentation, and staying ...

Senior Python Developer ETrading

Hiring Organisation
Huxley Associates
Location
South East, United Kingdom
Employment Type
Permanent Contract, On-site
Behaviour-Driven Development (BDD) or similar testing methodologies. Knowledge of PostgreSQL and/or Snowflake. Experience with modern Python web frameworks such as Django, Flask or FastAPI. Familiarity with event-streaming technologies including Apache Kafka. Experience building data pipelines using Apache Airflow. Exposure to Java development. Why Join? Work ...

Senior Python Developer ETrading

Hiring Organisation
Huxley Associates
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£110000 - £140000/annum
Behaviour-Driven Development (BDD) or similar testing methodologies. Knowledge of PostgreSQL and/or Snowflake. Experience with modern Python web frameworks such as Django, Flask or FastAPI. Familiarity with event-streaming technologies including Apache Kafka. Experience building data pipelines using Apache Airflow. Exposure to Java development. Why Join? Work ...

Backend Software Developer

Location
Cambridge, England, United Kingdom
build robust, well‐designed code to the latest best practice Good understanding of RESTful API development and appropriate authorisation/authentication schemes – experience using Flask or FastAPI would be useful Experience working with cloud computing platforms (preferably AWS) and understanding of serverless and micro‐service architecture Good working knowledge ...

Senior Full Stack Software Engineer

Location
Greater London, England, United Kingdom
building software that directly impacts how businesses operate.**Preferred Experience*** 3+ years of software engineering work experience.* Experienced in Typescript, Python, React, FastAPI, Django, Flask, and AWS.* Strong experience designing distributed systems and scalable applications.* Experience owning production systems and making architectural decisions.* Familiarity with cloud infrastructure, APIs, databases ...

Principal Engineer (Platform Architecture)

Location
Greater London, England, United Kingdom
expert in every tool listed below, but you should have strong experience with most of them or equivalent technologies. Core Languages & Frameworks Python (Flask, SQLAlchemy, NumPy, Pandas) for services and analytics React, Typescript, Redux for the front end Cloud & Infrastructure AWS (ECS, Lambda, RDS, S3) Docker Linux Data, Messaging & Caching ...

Senior Machine Learning Engineer - SC (DV Clearable) - Perm

Hiring Organisation
Sanderson Government and Defence
Location
Cheltenham, South West, United Kingdom
Employment Type
Permanent Contract, On-site
Salary
£95,000
Processing (NLP), Large Language Models (LLMs) or Image Processing. Experience in areas of model development, data processing and streaming (Spark, Kafka), microservices in python (Flask or FastAPI), and interactive visualisations and User Interfaces (Streamlit, Plotly, Gradio etc). While we think the above experience is important, we're keen ...

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 ...

AI Cloud Solution Engineer

Location
Greater London, England, United Kingdom
degree in computer science or related field, or equivalent job experience. Strong hands‐on development background in Python (specifically API based development in Flask or FastAPI), additional languages are a bonus. Experience building applications using AI development services on prominent cloud platforms such as Azure Open AI, Azure AI Foundry ...

Senior Finance Systems Developer

Hiring Organisation
Gleeson Recruitment Group
Location
Birmingham, West Midlands, West Midlands (County), United Kingdom
Employment Type
Permanent
Salary
£75000 - £90000/annum
team Leading and mentoring two technical team members Developing into the Microsoft Dynamics 365 Business Central/AL environment Key technical skills: Python - ideally Flask SQL/T-SQL C#/.NET HTML/CSS REST APIs/JSON Strong SDLC experience Previous technical leadership or mentoring experience Desirable: Dynamics ...

Senior Django Developer

Location
Greater London, England, United Kingdom
technologies Get to participate in architectural and technological decisions REQUIRED 2 years+ commercial experience in Python Experience working with a web application framework (Django, Flask, ...) A strong focus on quality and a desire to get things done the best possible way A desire to test ALL the things Eagerness ...

Python Developer - Inside IR35 - Up to £700 per day - Hybrid

Hiring Organisation
Hunter Bond
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Kanon, Beacon or similar) Strong SQL and large-scale data handling expertise Pandas and NumPy for data processing and analytics REST API development using Flask, FastAPI or Django Strong understanding of performance optimisation and scalable systems Unix/Linux and Shell Scripting experience Domain Experience Investment Banking or Capital Markets ...

Python Developer - Inside IR35 - Up to £700 per day - Hybrid

Hiring Organisation
Hunter Bond
Location
Manchester, UK
similar) \n Strong SQL and large-scale data handling expertise \n Pandas and NumPy for data processing and analytics \n REST API development using Flask, FastAPI or Django \n Strong understanding of performance optimisation and scalable systems \n Unix/Linux and Shell Scripting experience \n \n Domain Experience ...

Python Developer - Inside IR35 - Up to £700 per day - Hybrid

Hiring Organisation
Hunter Bond
Location
Leeds, UK
similar) \n Strong SQL and large-scale data handling expertise \n Pandas and NumPy for data processing and analytics \n REST API development using Flask, FastAPI or Django \n Strong understanding of performance optimisation and scalable systems \n Unix/Linux and Shell Scripting experience \n \n Domain Experience ...