1 to 25 of 33 Flask Jobs in the City of London

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 ❯

system integration and contribute to prompt engineering efforts Required Qualifications: 5+ years developing full-stack software applications Expert-level Python skills Strong experience with modern web frameworks (FastAPI, Django, Flask) Proficiency in frontend technologies (React, TypeScript, JavaScript) Experience with databases (PostgreSQL, MongoDB) and data processing Track record of shipping reliable, scalable applications to production Proven problem-solving abilities and analytical More ❯

technology, and are looking for ways to implement Machine Learning and improving DevOps in their process to further add value to their Authors. Their overall technology stack includes: Django, Flask, React, MongoDB, PostgreSQL, SQLserver, Docker and is currently being hosted in Azure. They've recently introduced Terraform and will also be moving their containerization to Kubernetes. On the frontend, they More ❯

ensuring high performance and responsiveness to requests from front-end applications and third-party systems. Key Responsibilities: Design and develop robust backend services and RESTful APIs using Python (FastAPI, Flask, or Django) Build and deploy microservices that are scalable, loosely coupled, and independently deployable Develop and manage serverless applications using AWS Lambda , API Gateway , DynamoDB , S3 , SNS , SQS , and Step More ❯

enjoy building meaningful tools with real-world impact — and care about AI being aligned with human values — this is the place to do it. 🛠️ Tech Stack Backend: Python, FastAPI, Flask, monorepo architecture Frontend: React, TypeScript Infrastructure: AWS, EC2, DynamoDB, Docker Tools: Custom eval libraries, observability tooling, real-time agent monitoring systems 🧠 What You’ll Work On Build full-stack features … centered mindset to technical work ✅ What We’re Looking For 6+ years as a Full Stack or Backend Engineer building production-grade software Strong backend experience with Python (FastAPI, Flask, or Django) Confident with modern frontend frameworks like React and TypeScript Skilled in building and maintaining APIs, cloud services (AWS or GCP), and containerized deployments Strong problem-solving skills, and More ❯

full-stack or backend) 3+ years of commercial experience in Python 2+ years with any frontend JavaScript frameworks i.e. React/Angular/Vue.js Experience with frameworks like Django, Flask or FastAPI Exposure to cloud platforms such as AWS, Azure, or GCP UK-based, ideally London or commutable and able to work Hybrid (frequency can vary for each client) If More ❯

etc.) • MS Azure experience e.g. virtual networks, key vaults and storage, security • MS SQL backend development experience • Experience in developing API’s in python using FastAPI/Django/Flask • Hands on in ADF and Azure Databricks With a focus within Energy Trading, Oil & Gas, Financial Markets and Commodities, we offer a transparent Recruitment Service that has proven to be More ❯

to engineering practices. Ensure alignment with cybersecurity, data privacy, and governance standards. Technical Skills: 5+ years of experience in software engineering, including 3+ years of Python in production (e.g., Flask, Django, Gunicorn, SQLAlchemy, Psycopg2). Strong background in working with large datasets using tools like Pandas, NumPy, or Spark. At least 2 years' experience with machine learning, deep learning, or More ❯

the development of data-driven features , enabling enterprises to measure and optimize their digital business card interactions. As part of this role, you’ll help migrate our backend from Flask to Django , ensuring a scalable and well-structured API design. Responsibilities Design and develop analytics and reporting tools , providing insights into user engagement and marketing performance. Build and optimize data … pipelines for tracking and processing user interactions. Work closely with co-founders and product leaders to architect new marketing and analytics features . Support the migration from Flask to Django Adapt RESTful APIs to support integrations with CRM, marketing automation, and analytics platforms. Enhance the frontend using React and TypeScript , ensuring intuitive visualization of analytics data. Implement event tracking, attribution … of experience in software engineering, with a focus on backend development. Experience building analytics and marketing tools (e.g., dashboards, tracking systems, attribution models). Strong experience with Django (or Flask) and PostgreSQL . Solid understanding of data pipelines, event tracking, and API integrations . Proficiency in React, TypeScript, and frontend visualization frameworks (e.g., D3.js, Chart.js, Recharts) . Hands-on experience More ❯

the development of data-driven features , enabling enterprises to measure and optimize their digital business card interactions. As part of this role, you’ll help migrate our backend from Flask to Django , ensuring a scalable and well-structured API design. Responsibilities Design and develop analytics and reporting tools , providing insights into user engagement and marketing performance. Build and optimize data … pipelines for tracking and processing user interactions. Work closely with co-founders and product leaders to architect new marketing and analytics features . Support the migration from Flask to Django Adapt RESTful APIs to support integrations with CRM, marketing automation, and analytics platforms. Enhance the frontend using React and TypeScript , ensuring intuitive visualization of analytics data. Implement event tracking, attribution … of experience in software engineering, with a focus on backend development. Experience building analytics and marketing tools (e.g., dashboards, tracking systems, attribution models). Strong experience with Django (or Flask) and PostgreSQL . Solid understanding of data pipelines, event tracking, and API integrations . Proficiency in React, TypeScript, and frontend visualization frameworks (e.g., D3.js, Chart.js, Recharts) . Hands-on experience More ❯

remediation of recurring issues to improve the overall operational stability of software applications and systems. Ideal candidate: A developer proficient in Python and modern web development frameworks (e.g., Django, Flask, Asyncio/Aiohttp). Some experience in the power market, ideally for a trading desk in an energy market trading environment; utilities, producers, or trading houses preferred. Experience with SQL More ❯

Company | Fintech, B2C 📏 Size | 70 people 🧢 Role | Backend Engineer 🪜 Level | Mid 🎯 Areas | backend focus, product development, infrastructure ✨ Tech | Python (Flask), PostgreSQL, Docker, AWS, Terraform 📍 Based | London (Zone 1) 💻 Working | hybrid (1-2 days a week in-office) 💰 Offer | £75-95k Hi 👋 Workonomics are partnering with a fintech whose mission is to help you do more with your money. They … with lots of complex new features to build . They want their tech to be fully automated and do all of the heavy-lifting. Their stack is a Python (Flask) backend and a TypeScript ( React/Redux/Next . js ) frontend, on a mix of Heroku and AWS . They also use PostgreSQL . ✅ This will suit a product More ❯

They are on the hunt for 2 new Developers to join the London based Engineering team. You'll ideally have experience using most of the following stack: Backend: Python, Flask/FastAPI Frontend: React with TypeScript Infra: Terraform, GCP/AWS Ideally you'll have at least an interest and have tinkered personally with LLM type projects. Huge bonus if More ❯

APIs using Python. Python Development: 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 seamlessly into web applications or More ❯

Backend Developer | Python | Flask| Azure | 6 Months | London| £400 - £500 per day Peaple Talent have partnered exclusively with a fantastic household name client in London looking to hire a Python Software Engineer to work on their integration team within a large digital transformation. The tech stack includes; Python Flask/Flask API Azure integration Services – Logic Apps, Service Bus & API … infrastructure. Hybrid working in West London with remote working after integrating into the team culture. Please apply or reach out to Peaple Talent for more information. Backend Developer | Python | Flask | Azure | 6 Months | London| £400 - £500 per day More ❯

an initial 6 months. This client is looking for you to have a good understanding of Google and/or Microsoft AI technology stacks. Key skills required: Python, Node, Flask or Django Typescript, React or JavaScript Azure or GCP Deploy code to Google/Azure playgrounds REST and/or GraphQL API's CICD This client is looking to fill More ❯

Act as a mentor and an example to others in your team and across the organisation. Skills (not all essential) Python Experience JavaScript/TypeScript Experience Python framework (Django, Flask, Frappe or FastAPI) Experience PostgreSQL Experience Previously worked in a Start-up environment TDD or BDD experience Ability to demonstrate high-quality coding and testing practices The Company You will More ❯

Senior Software Engineer – AI Startup – Up to 120k ?? ?️ Location : London, flexible working arrangements, ideally 1/2 days in the office ? Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client is building an elite engineering team within the AI space. The platform is used globally and delivers high impact to customers. If you're More ❯

and financial goals. Influence the future of AI by shaping architecture, conducting research, and promoting cross-team learning. SKILLS AND EXPERIENCE Required Strong experience with Python backend development (e.g., Flask, Kafka, Docker, Kubernetes). At least 2 years of experience in building or integrating AI solutions (e.g., LLM, NLP). A demonstrated passion for AI through side projects, research, or More ❯

Engineer – AI Startup – Up to 120k 🚀🧠 💰 Salary: £70,000 - £120,000 + meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 1/2 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 used across the globe and More ❯

Engineer – AI Startup – Up to 130k 🚀🧠 💰 Salary: £80,000 - £130,000 + meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 1/2 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 used across the globe and More ❯

ingesting multiple large data sets, creating backend pipelines and providing analytics to the wider business. Python Engineer - Python, Postgres, Azure, Databricks Key Skills and Experience: Python SQL, Postgres Django, Flask Azure Databricks This role is hybrid working (2-3 days p/w in office) in Bank, central London and paying £600-£650p/d InsideIR35. Python Engineer - Python, Postgres More ❯

system optimisation. Experience with PySpark and Azure Databricks for distributed data processing and large-scale data analysis. Proven experience with web frameworks , including knowledge of Django and experience with Flask, along with a solid understanding of APIs. Develop and maintain data interfaces to connect various systems within the Bank. Solid architecture and design knowledge to ensure scalable and efficient systems More ❯

Engineer – AI Startup – Up to 85k 🚀🧠 💰 Salary: £50,000 - £85,000 + meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 1/2 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 used across the globe and More ❯

Engineer – AI Startup – Up to 130k 🚀🧠 💰 Salary: £80,000 - £130,000 + meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 1/2 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 used across the globe and More ❯