Permanent Flask Jobs in London

1 to 25 of 47 Permanent Flask Jobs in London

Senior Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Reed.co.uk
in a senior or technical 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 platforms in a production environment. More ❯
Employment Type: Full-Time
Salary: £80,000 - £90,000 per annum
Posted:

Lead Software Engineer - Cashflow Tools (2 year FTC)

London, United Kingdom
Hybrid / WFH Options
Allica Bank Limited
2+ years in a tech lead/architect/CTO equivalent role, mentoring peers and setting technical direction Python & Framework Expertise : Deep knowledge of Python and FastAPI, Django, or Flask Web Development tools : Experience with React/TypeScript or large-scale web applications Cloud & Data Stores : Hands-on with AWS/GCP/Azure, Postgres/MySQL, and Redis. Microservices More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Site Reliability Engineer

London, United Kingdom
Hybrid / WFH Options
Zefr
Delivery: Argo CD Primary Scripting/Automation Language: Python Observability & Monitoring: Monitoring & Alerting: Prometheus, Datadog, Pagerduty Telemetry Standards: OpenTelemetry Application & Data Ecosystem (Supporting): Application Languages/Frameworks: Python, FastAPI, Flask, Node.js, React Data Streaming: Apache Kafka Data Processing/Transformation: Pandas, DBT Workflow Orchestration: Apache Airflow, Ray Machine Learning Stack: Serving: Triton Inference Server MLOps/Experiment Tracking: Weights and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Backend Engineer

London, United Kingdom
Hybrid / WFH Options
Fruition Group
ahead of industry trends and champion AI and automation tools to boost team efficiency About You Proven leadership and hands-on experience building production-grade Python services with FastAPI, Flask, or Django REST Framework Deep understanding of microservices architecture, APIs, service discovery, and messaging patterns Experience with cloud platforms (AWS, GCP, Azure) and containerisation (Docker; Kubernetes a plus) Strong software More ❯
Employment Type: Permanent, Work From Home
Posted:

Back-End Developer (Python Application Development)

London, United Kingdom
Hybrid / WFH Options
Venquis
e.g., asset management, hedge funds, investment banks) Strong working knowledge of Amazon Web Services (AWS) and cloud-native development Experience with RESTful API design and frameworks such as FastAPI, Flask, or Django Proficient in working with relational databases (PostgreSQL, MySQL) and ORMs (e.g., SQLAlchemy) Familiarity with Docker , container orchestration, and infrastructure-as-code (e.g., Terraform or CloudFormation) Solid understanding of More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Technical Analyst / Full Stack Developer

London Area, United Kingdom
Climate17 | B Corp™
ETL pipelines Cloud computing & DevOps: e.g. AWS (EC2, Lambda, S3), Docker, CI/CD, serverless architecture Frontend development: JavaScript/TypeScript, React, Dash, or similar frameworks Backend APIs: FastAPI, Flask, RESTful API design UI/UX design for data tools (e.g. streamlining internal workflows and dashboards) Experience with energy systems modelling/optimisation, quantitative risk modelling, or stochastic simulation Experience More ❯
Posted:

Technical Analyst / Full Stack Developer

City of London, London, United Kingdom
Climate17 | B Corp™
ETL pipelines Cloud computing & DevOps: e.g. AWS (EC2, Lambda, S3), Docker, CI/CD, serverless architecture Frontend development: JavaScript/TypeScript, React, Dash, or similar frameworks Backend APIs: FastAPI, Flask, RESTful API design UI/UX design for data tools (e.g. streamlining internal workflows and dashboards) Experience with energy systems modelling/optimisation, quantitative risk modelling, or stochastic simulation Experience More ❯
Posted:

Senior Full Stack Engineer

London, United Kingdom
Iprova Sàrl
streaming and messaging queues such as Kafka Expertise in database systems including Redis, Elasticsearch, Neo4j, and PostgreSQL Proficiency in developing APIs using a backend framework (such as Django, FastAPI, Flask, or Express) Commercial experience in front-end development including at least one web development framework, preferably Vue.js Be comfortable with Unix systems Strong problem-solving skills and a collaborative mindset More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

AI Applied Engineer

London, United Kingdom
Story Terrace Inc
/ML-powered applications in production environments. Proficiency with async and streaming APIs, enabling efficient real-time data processing and low-latency AI service delivery in microservices (Django, FastAPI, Flask, or similar). Strong understanding of context engineering practices, optimising prompts, memory, and retrieval strategies for LLM-based systems. Hands-on experience with AI-assisted development tools such as Cursor More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

AI Software Engineer

London, United Kingdom
Experis - ManpowerGroup
defence analysts to productionise ML models (e.g., for threat detection, anomaly detection, autonomous systems, or decision support tools) Build and maintain secure APIs and infrastructure using Python (FastAPI/Flask), Docker, and Kubernetes Contribute to DevSecOps workflows including automated testing, monitoring, and continuous integration Requirements: 3+ years of experience in software engineering, with a focus on AI/ML integration More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Python Developer - Operations

Central London, London, United Kingdom
Hybrid / WFH Options
Feenicks Ltd TA Archway International
discipline (Science, Technology, Engineering, or Mathematics) Strong experience with Python Experience or a solid understanding of finance or financial systems Fullstack development experience using JavaScript and React Experience with Flask or similar Python web frameworks Familiarity with functional programming Experience working with PostgreSQL or other SQL databases Knowledge of Docker and containerized environments Exposure to cloud platforms (ideally AWS ) Experience More ❯
Employment Type: Permanent, Work From Home
Salary: £60,000
Posted:

Quantitative Developer - Middle Office/Risk

City of London, London, United Kingdom
Richard James Recruitment Specialists Ltd
documenting REQUIRED SKILLS: Python Multi-threading & asynchronous programming Knowledge of commodities/Energy trading Dask, Pandas, Numpy frameworks. Full life cycle development Excellent Communication skills Python web framework (e.g., Flask, Dash) Built RESTful Web APIs More ❯
Posted:

Quantitative Developer - Middle Office/Risk

London Area, United Kingdom
Richard James Recruitment Specialists Ltd
documenting REQUIRED SKILLS: Python Multi-threading & asynchronous programming Knowledge of commodities/Energy trading Dask, Pandas, Numpy frameworks. Full life cycle development Excellent Communication skills Python web framework (e.g., Flask, Dash) Built RESTful Web APIs More ❯
Posted:

Senior Python Developer

London, United Kingdom
BDO UK LLP
pipelines (CI/CD) using Bicep or similar technologies. Expertise in deploying, monitoring and managing machine learning models in production environments. API Development: An understanding of REST. Experience with Flask or FastAPI. Data Validation: Knowledge of Pydantic for data validation. Scripting and Prototyping: Use of Jupyter Notebooks for quick prototyping. DevSecOps Practices: Understanding of secure coding and automated testing. Experience More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Python Developer - Hybrid Remote

North West London, London, United Kingdom
Hybrid / WFH Options
VERTECH GROUP (UK) LTD
team, where youll focus on building scalable, reliable backend systems while also sharing knowledge and guiding less experienced developers where needed Essential: Solid background in backend development using Python (Flask, FastAPI, or similar) Good skills in Google Cloud Platform (GCP) Experience developing RESTful APIs Familiarity with Cloud Functions and Cloud Run Skilled in Docker and/or Kubernetes Understanding of More ❯
Employment Type: Permanent, Work From Home
Salary: £95,000
Posted:

Senior Python Developer - Hybrid Remote

NW3, Hampstead, Greater London, United Kingdom
Hybrid / WFH Options
Vertech Group (UK) Ltd
where you’ll focus on building scalable, reliable backend systems while also sharing knowledge and guiding less experienced developers where needed Essential: Solid background in backend development using Python (Flask, FastAPI, or similar) Good skills in Google Cloud Platform (GCP) Experience developing RESTful APIs Familiarity with Cloud Functions and Cloud Run Skilled in Docker and/or Kubernetes Understanding of More ❯
Employment Type: Permanent
Salary: £90000 - £97000/annum + Benefits
Posted:

Software Engineer

London, United Kingdom
Gpeto Planning
Software Engineer, with a strong portfolio of successful projects. Proficiency in programming languages such as Python, Java, C++, or similar. Experience with web development frameworks (e.g., React, Angular, Django, Flask). Knowledge of cloud platforms (AWS, Azure, Google Cloud) is a plus. Problem-Solving: Strong analytical and problem-solving skills with attention to detail. Team Player: Excellent communication and collaboration More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Python Developer

London, United Kingdom
Onyx-Conseil
application redesign Highly experienced in multiprocessing, multiprocessing, and asynchronous python development (asyncio module) Experience with Docker containers, micro services, and CI/CD pipeline a plus Experience with Django, Flask is a plus Working knowledge with MongoDB, JSON, sync/async architecture Working knowledge of networking theory (TCP/IP) or strong desire to learn it You collaborate with other More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Backend Software Engineer

London, United Kingdom
Hybrid / WFH Options
Fruition Group
with engineers, PMs, and designers to ship fast Contribute to system architecture and CI/CD practices What We're Looking For Experience building backend systems with Python (FastAPI, Flask, or Django) Solid understanding of microservices, cloud infrastructure, and APIs Familiar with SQL/NoSQL, version control (Git), and CI/CD pipelines Strong fundamentals: data structures, OOP, debugging Curious More ❯
Employment Type: Permanent, Work From Home
Salary: £95,000
Posted:

Software Engineer Full Stack Python Vue.js

South East London, London, United Kingdom
Hybrid / WFH Options
Client Server
databases, Linux You are degree educated, having achieved a 2.1 or above in Computer Science or closely related discipline Ideally you will also have some experience with Django or Flask, React.js, NoSQL, Grafana, Gitlab, AWS You're collaborative and pragmatic with great communication skills What's in it for you: As a Software Engineer you will receive a competitive package More ❯
Employment Type: Permanent, Work From Home
Salary: £75,000
Posted:

DevOps Engineer (Visa Sponsorship Available)

London, United Kingdom
Techwaka
for you if: You have experience with Kubernetes and containerisation. You have experience designing, running and implementing CI/CD for a monorepo. You have experience developing using Python (Flask, Falcon). You have experience with any cloud platforms (GCP, AWS, Azure) You have experience in terraform/terragrunt, kustomize and similar tools. You can work collaboratively with globally distributed More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer (Data & Infrastructure)

London, United Kingdom
Hybrid / WFH Options
Modo Energy Limited
flexible, evolving environment. Ability to adapt to a flexible, evolving environment. Some experience or desire to learn: AWS cloud services. Infrastructure as Code (Terraform) Python web frameworks (Django, FastAPI, Flask) Data pipeline development (Batch and Stream Processing) Data modeling and Data Lakehouse concepts. CI/CD pipelines. Microservices architecture. Hybrid Work Environment : This role is hybrid, with time split between More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer - Visual Quality

London, United Kingdom
V-Nova Ltd
test group. Participate actively in agile ceremonies, providing input during planning, refinement, and daily stand-ups. Qualifications Significant experience developing with Python, especially in high-performance, multithreaded applications using Flask, SQL, and databases. Experience using Linux as a development platform. Hands-on experience with REST, HTTP, JSON, and Docker. Excellent communication skills, with the ability to provide clear progress updates More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software engineer, AI retrieval

London, United Kingdom
writer.com
unit and integration tests to ensure the reliability and accuracy of our AI retrieval systems. API development : Build and maintain REST and GraphQL APIs using frameworks like FastAPI and Flask to expose our AI retrieval capabilities to other services and applications. Streaming and cancelable endpoints : Implement streaming responses and cancelable endpoints to support real-time and interactive use cases, such More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Full Stack Engineer

London, United Kingdom
Hybrid / WFH Options
9fin
Stack React via Typescript & Vite React query Jest, React Testing Library, Playwright Production workloads on AWS using ECS & lambda serverless functions & event based architectures. Typed Python for APIs & Data. Flask & FastAPI We Postgres! About You This role will be a great fit if you: You have the full stack software engineering experience to allow you to design and implement functionality More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
Flask
London
10th Percentile
£65,000
25th Percentile
£75,000
Median
£85,000
75th Percentile
£88,125
90th Percentile
£100,000