1 to 25 of 38 Flask Jobs in London

Senior Developer

Hiring Organisation
Reed.co.uk
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£80,000 per annum
years of commercial software development experience. Proven success in high-performing engineering teams in fast-paced environments. Deep expertise in development with: Python (Django, Flask, or FastAPI) PostgreSQL (design, optimisation, maintenance) Containerisation (Docker/Kubernetes) Event-driven architecture (Kafka/RabbitMQ) Nice to have experience with: TypeScript/JavaScript (NextJS ...

Senior Software Developer

Hiring Organisation
Reed
Location
Holborn, London, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum, Inc benefits
Qualifications: 8+ 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 ...

Senior Product Engineer remote

Hiring Organisation
Serve Legal
Location
South West London, London, United Kingdom
Employment Type
Permanent
Salary
£80,000
Skills Required Software Engineering: Strong in at least one modern language (JavaScript/TypeScript, Java, Python) Web & Product Development: Frameworks (React, Node.js, Django/Flask) AI, GenAI and LLMs: OpenAI, Gemini, Grok, Llama Agentic AI: Frameworks (langchain, langgraph, Google ADK) AI enabled code tooling: Cursor, Windsurf, GitHub copilot AI powered ...

AI Automation Engineer

Hiring Organisation
McCabe & Barton
Location
Central London, London, United Kingdom
Employment Type
Permanent
Appian with external systems via REST APIs, web services, and connected systems. API Development & Integration - Proficient in designing and building RESTful APIs using FastAPI, Flask, or Django REST Framework for exposing AI models and automation services. Experience with API authentication (OAuth, JWT), rate limiting, error handling, API documentation (Swagger/ ...

AI Engineer - up to £85,000 Benefits - Hybrid - London

Hiring Organisation
Involved Solutions
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £85,000 per annum
Engineer: Strong experience with Python plus JavaScript Hands-on experience with AI-assisted development tools Experience building RESTful APIs using frameworks such as Flask or Django Strong SQL capability including PostgreSQL or MySQL plus experience with vector databases Experience working with microservices or serverless architectures Practical exposure to machine learning ...

Senior Full Stack Developer

Hiring Organisation
Glite Tech
Location
City of London, London, 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 databases. Experience with in-memory databases. ...

Principal Software Engineer

Hiring Organisation
Harvey Nash
Location
London, United Kingdom
Employment Type
Permanent
Lead the design and implementation of full-stack applications using technologies like Java, Python and Typescript. Have experience or exposure to frameworks like Spring, Flask and React. Acting as a senior technical consultant, guiding clients through complex engineering decisions. Mentoring and uplifting engineering teams, driving best practice across delivery. Owning ...

AI / GenAI Engineer – Investment Banking / Capital Markets

Hiring Organisation
Caspian One
Location
London Area, United Kingdom
LLMs: OpenAI API, Hugging Face Transformers, LangChain, Langraph, RAG pipelines Data & Analytics: Pandas, NumPy, Spark, Databricks, Hadoop, Vector Databases, Snowflake Model Deployment: MLflow, FastAPI, Flask, Docker, Kubernetes Cloud & Infrastructure: AWS, Azure, GCP CI/CD pipelines (GitLab, Jenkins) Desirable Skills Experience with prompt engineering, fine-tuning LLMs, and building ...

Senior Full-Stack Software Engineer (Annual salary up to £95K)

Hiring Organisation
Nyxium
Location
London Area, United Kingdom
Science, or a closely related field Equivalent industry experience considered Core Technical Skills Programming & Backend Strong Python experience in production systems Experience with FastAPI, Flask, or similar frameworks Experience building ML-backed APIs and services AI/ML Integration Hands-on experience integrating ML or LLM systems into real applications ...

Python Developer

Hiring Organisation
Harrington Starr
Location
London Area, United Kingdom
years of experience with Python and major cloud providers (AWS, Azure, or GCP). Proven experience in building Rest APIs with frameworks such as Flask/FastAPI. Strong Experience in software development best practices: CI, Testing, Deployment. Proficiency in the Linux ecosystem. Experience with databases such as Postgres and Redis. ...

Lead Software Engineer

Hiring Organisation
iDPP
Location
Crofton Park, Greater London, UK
Large Language Models (LLMs) Retrieval-Augmented Generation (RAG) AI agents and orchestration workflows Designing and maintaining backend services and APIs (primarily Python, FastAPI/Flask) Building and scaling data pipelines and search systems using: ElasticSearch, Weaviate, Pinecone, and other vector databases Engineering secure, containerised architectures using Docker and Kubernetes Ensuring ...

Head of Engineering

Hiring Organisation
Navys
Location
Greater London, England, United Kingdom
development strategy and execution and lead the architectural evolution as scale increases. Current Stack Frontend: Next.js, TypeScript, Tailwind CSS Backend & APIs: Python (Quart/Flask) Infrastructure: PostgreSQL, Docker containerisation, Azure Delivery Operations: CI/CD automation, Git-based workflow, Agile execution Responsibilities Build and Lead the Engineering Function Establish engineering ...

Python + AWS Developer

Hiring Organisation
NEEV LIMITED
Location
London, United Kingdom
Employment Type
Permanent
including Lambda, DynamoDB, API Gateway, SNS, SQS, S3, ECS, EKS and other related services. Technical Skills: Strong proficiency in Python and related frameworks (e.g., Flask, Django). Deep understanding of AWS serverless architecture and best practices. Experience with infrastructure as code (IaC) tools such as AWS CloudFormation or Terraform. Familiarity ...

Senior Software Engineer

Hiring Organisation
ReeVR
Location
West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
systems to support rapid business growth What were looking for in aSoftware Engineer Essential experience Strong experience with Python and web frameworks such as Flask, Django, or similar Experience working with relational databases (MySQL preferred) and ORMs (e.g. SQLAlchemy, Alembic) Solid understanding of frontend fundamentals: HTML, CSS, JavaScript Strong grasp ...

Senior Software Engineer

Hiring Organisation
Reevr Talent Ltd
Location
Paddington, London, Lancaster Gate, United Kingdom
Employment Type
Permanent
Salary
£70000 - £90000/annum
support rapid business growth What we’re looking for in a Software Engineer Essential experience Strong experience with Python and web frameworks such as Flask, Django, or similar Experience working with relational databases (MySQL preferred) and ORMs (e.g. SQLAlchemy, Alembic) Solid understanding of frontend fundamentals: HTML, CSS, JavaScript Strong grasp ...

AI Engineer

Hiring Organisation
Certain Advantage
Location
South East London, London, United Kingdom
Employment Type
Contract
application as relevant as possible, please ensure your CV demonstrates any prior experience you have relating to the below; System Integration & Deployment Model Deployment: Flask, FastAPI, MLflow Model Serving: Triton Inference Server, Hugging Face Inference Endpoints API Integration: OpenAI, Anthropic, Cohere, Mistral APIs LLM Frameworks: LangChain, LlamaIndex for building ...

Senior Fullstack Developer

Hiring Organisation
The Portfolio Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 per annum
Tech Stack: At least 6-8 years commercial experience with JavaScript or TypeScript and Node 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 Data Engineer

Hiring Organisation
Lynx Recruitment Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
with cloud platforms (AWS or Azure; GCP beneficial) Strong SQL skills and experience with relational databases Python development experience and familiarity with frameworks (e.g. Flask, Django) Experience building and orchestrating ETL pipelines (e.g. Airflow, Luigi, Argo) Exposure to big data technologies (e.g. Spark, Kafka, Hadoop) Experience working in Agile environments ...

Full Stack Engineer

Hiring Organisation
Harnham
Location
London Area, United Kingdom
Looking For Experience: 7+ years (minimum 5) in software engineering; ideally with startup exposure. Tech Stack:Frontend: React, Next.js, TypeScript Backend: Python (FastAPI, Flask, Django), Go, Rust Mindset: Founding engineer mentality – proactive, curious, thrives in fast-paced environments. Bonus: Experience in high-calibre teams (fintech, AI, or similar). What ...

Full Stack Engineer Start Up

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£130,000 - £170,000 per annum
Looking For Experience: 7+ years (minimum 5) in software engineering; ideally with startup exposure. Tech Stack:Frontend: React, Next.js, TypeScript Backend: Python (FastAPI, Flask, Django), Go, Rust Mindset: Founding engineer mentality - proactive, curious, thrives in fast-paced environments. Bonus: Experience in high-calibre teams (fintech, AI, or similar). What ...

Data Engineer

Hiring Organisation
Lynx Recruitment Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £65,000 per annum
with cloud platforms (AWS or Azure; GCP beneficial) Strong SQL skills and experience with relational databases Python development experience and familiarity with frameworks (e.g. Flask, Django) Experience building and orchestrating ETL pipelines (e.g. Airflow, Luigi, Argo) Exposure to big data technologies (e.g. Spark, Kafka, Hadoop) Experience working in Agile environments ...

Engineering Manager

Hiring Organisation
ReeVR
Location
West London, London, United Kingdom
Employment Type
Permanent, Work From Home
skills Comfortable making architectural decisions in ambiguous environments Nice to have Experience with AI-assisted development tools Familiarity with Python-based stacks (e.g. Python, Flask, MySQL, React, TypeScript) Background in ecommerce or product-led businesses Experience scaling systems with cost and performance in mind Knowledge of application or network security ...

Engineering Manager

Hiring Organisation
Reevr Talent Ltd
Location
Paddington, London, Lancaster Gate, United Kingdom
Employment Type
Permanent
Salary
£100000 - £120000/annum
skills Comfortable making architectural decisions in ambiguous environments Nice to have Experience with AI-assisted development tools Familiarity with Python-based stacks (e.g. Python, Flask, MySQL, React, TypeScript) Background in ecommerce or product-led businesses Experience scaling systems with cost and performance in mind Knowledge of application or network security ...

Software Engineer

Hiring Organisation
The Portfolio Group
Location
City of London, London, Cathedrals, United Kingdom
Employment Type
Permanent
Salary
£55000/annum
platform. Tech Stack: At least 4 years commercial experience with JavaScript or TypeScript and Node 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 Software Engineer (Python/React)

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
140k 🚀🧠 💰 Salary: £70,000 - £140,000 + meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 2/3 days in office 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering team within the AI space. The platform is being ...