1 to 25 of 32 Flask Jobs in the City of London

AI Engineer

Hiring Organisation
Cerberus Capital Management
Location
City of London, London, United Kingdom
performance monitoring. Experience collaborating with engineering teams to ensure scalable and maintainable deployment. Backend & service development: Experience building production-grade Python webservices (e.g., FastAPI, Flask), developing APIs, and integrating ML components into broader systems. Software engineering practices: Comfortable with testing, code reviews, CI/CD pipelines, and version control ...

Python Developers Needed - DV/SC Cleared - Amazing Company

Hiring Organisation
Areti Group | B Corp™
Location
City of London, London, United Kingdom
complex problems in data flow, latency, and scale Contributing to a culture of fast iteration, clean code, and continuous learning 🧰 Tech Stack: Python (FastAPI, Flask) TypeScript, Node.js, React PostgreSQL, Redis, Kafka Docker, Kubernetes, AWS CI/CD with GitHub Actions, Terraform 💼 What You’ll Bring: Experience in working on Defence ...

Senior Data Scientists / Analysts – SC/DV Cleared — Multiple Openings 🌳

Hiring Organisation
Areti Group | B Corp™
Location
City of London, London, United Kingdom
Data Science & Engineering: Python (NumPy, Pandas, scikit-learn, PyTorch/TensorFlow), SQL, NoSQL, Spark, big data ecosystems Visualisation & APIs: REST/JSON, Postman, Flask/FastAPI, Power BI/Tableau, D3.js DevOps & Cloud: CI/CD, Docker, AWS (S3, Lambda, SageMaker), Kubernetes, Terraform/CDK ML Ops & Automation: MLFlow, feature ...

AI Automation Engineer

Hiring Organisation
McCabe & Barton
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £700 per day
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/ ...

Senior Python Developer

Hiring Organisation
TreasurySpring
Location
City of London, London, United Kingdom
/CD Strong STEM degree or equivalent professional experience Desirable skills: Deep knowledge of Python, including any of the frameworks we currently use: Flask, SqlAlchemy, Alembic, Pydantic Experience with relational databases, ideally Postgres Experience of message-based architectures, and queuing technologies, i.e. RabbitMQ Experience of REST and/or GraphQL ...

Senior Full Stack Software Developer

Hiring Organisation
Engineered Arts
Location
City of London, London, United Kingdom
Experience with TypeScript and React for building dynamic, responsive front-end applications. Back-end development experience in Python , particularly with frameworks like Django or Flask, or equivalent experience in other back-end languages like Node.js with Express. Familiarity with Linux system development Familiarity with designing and consuming RESTful APIs . ...

Python Developer

Hiring Organisation
Movement8
Location
City of London, London, United Kingdom
automation • Solid understanding of SQL & NoSQL • Experience building scalable mobile APIs (REST, HTTPS) • Good security practices (secrets, protocols, etc.) • Experience with Python frameworks (Django, Flask, FastAPI) Nice-to-Haves • Experience with real‐time or in‐memory databases • Familiarity with modern frontend frameworks • Background in edtech • Knowledge‐sharing (talks, articles, videos ...

Senior Python Engineer

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
RESPONSIBILITIES As part of the engineering team, you’ll design and build robust backend systems and APIs using Python and frameworks such as FastAPI, Flask, or Django. The role involves integrating AI models into production environments and optimizing data pipelines for efficiency and scalability. You’ll work with cloud platforms ...

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. ...

Senior Python Developer

Hiring Organisation
Oho Group Ltd
Location
City of London, London, United Kingdom
12+ years of professional Python engineering experience Strong background in backend systems, microservices, or distributed architectures Experience with modern frameworks (FastAPI, Django, Flask, etc.) Ability to own complex projects from design → delivery Pragmatic engineering mindset—clear communicator, thoughtful problem solver Someone who thrives in autonomy and values remote flexibility Nice ...

Senior Software Engineer (AI HealthTech) - Up to £100k + Bonus + Equity - FULLY REMOTE

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
innovation across the engineering organisation Skills 4+ years of experience as a Software Engineer building modern backend systems Strong Python skills (FastAPI preferred; Flask or Django also considered) Knowledge of system design, data modelling, and distributed architecture Familiarity with cloud technologies (AWS, Azure, or GCP) and containerisation Understanding of software ...

Full Stack Engineer (Python/Js/MS Stack) Agentic AI Project

Hiring Organisation
GCS
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
strong emphasis on reliability, observability, and secure data handling. What you'll do Design & build scalable services in Python (FastAPI/Django/Flask) and front-ends in JavaScript/TypeScript (React/Next.js or similar). Develop agent workflows (planning, tool-use, memory) and LLM pipelines (prompt orchestration, retrieval ...

Senior Python Software Engineer - £90k - £100k

Hiring Organisation
Creo Recruitment
Location
City of London, London, United Kingdom
roadmap: Collaborate with Product, Design, and Data teams to align on priorities and ensure value is delivered incrementally. Core Tech Stack Languages: Python (FastAPI, Flask, or Django) Cloud: AWS (Lambda, ECS/Fargate, S3, DynamoDB, CloudWatch, API Gateway) Data & Messaging: PostgreSQL, Redis, Kafka or SQS CI/CD & Infrastructure: Docker ...

Senior Data Engineer

Hiring Organisation
Solirius Reply
Location
City of London, London, 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 ...

Senior/Lead Full Stack Developer (React / Python) AI Start up!

Hiring Organisation
Robert Half
Location
City of London, London, United Kingdom
Employment Type
Permanent
front end, Python on the back end. You'll: Build responsive UIs in React Develop APIs & services in Python (either Django/Flask/FastAPI) Own features end-to-end Help shape our tech stack You have: Strong React & Python skills API & database experience A proactive, problem-solving mindset Ideally ...

Principal Software Engineer

Hiring Organisation
Oliver Wyman
Location
City of London, London, United Kingdom
roles. Our codebase uses primarily JavaScript and Python, across various web applications, backend services and analytical processes, and leverages frameworks such as Express.js, Vue, Flask or Pandas. This is a hands-on role; you should be comfortable writing code and building solutions. Experience designing and building distributed applications and architectures. ...

Senior Backend Engineer Python

Hiring Organisation
Plexus Resource Solutions Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Web3 technologies, including blockchains, DAOs, and smart contracts. Requirements: Strong proficiency in Python and SQL. Hands-on experience with modern Python web frameworks (FastAPI, Flask, or Django). Solid understanding of cloud infrastructure and deployment environments. 3+ years of professional software engineering experience. Benefits: Bonus Equity Flexible Holiday Allowances Hybrid ...

Back End Developer

Hiring Organisation
Tiro Partners Limited
Location
City of London, London, United Kingdom
related technical field 2+ years of experience building web applications in a production environment Strong experience with Python and API frameworks (FastAPI, Flask, etc.) Comfort or interest in functional programming principles and clean code architecture A genuine interest in engineering and the physical world Ability to thrive in a startup ...

Python Developer

Hiring Organisation
microTECH Global LTD
Location
City of London, London, United Kingdom
encoder and playback scenarios. What We’re Looking For: - Our test frameworks are developed using Python, are high performance and are multithreaded applications incorporating Flask, with SQL and databases for storage - you will have significant experience developing using these technologies. - Experience using Linux as a target development platform - Hands ...

Frontend Developer

Hiring Organisation
Mirai Talent
Location
City of London, London, United Kingdom
code in a fast-moving environment Skills & Experience Essential Strong Front-End development experience (with some back-end capability) Extensive Python experience, including FastAPI, Flask, NumPy Experience working with relational databases, particularly PostgreSQL Solid understanding of UI/UX principles and portal-based applications HTML, CSS and Javascript ...

Software Engineer

Hiring Organisation
The Portfolio Group
Location
City of London, London, Cathedrals, United Kingdom
Employment Type
Permanent
Salary
£35000 - £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
120k 🚀🧠 💰 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 ...

Software Engineer - New Launch Hedge Fund

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
with modern JavaScript frameworks (React preferred), TypeScript, and data visualisation tools. Proficiency in Python and familiarity with data workflows and backend frameworks (FastAPI/Flask). No sponsorship available – candidates must have the right to work in the UK. ...

Software Engineer (Python/React)

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
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 ...

Graduate/Junior Software Engineer (Must have a CS Degree from a top Uni)

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
deliver exceptional user experiences Support continuous improvement in engineering practices, testing and deployment Tech Stack Front end: React (TypeScript), Redux, Sass Back end: Python (Flask), Postgres Requirements 0 to 2 years of software development experience Excellent understanding of Computer Science and software engineering fundamentals Strong experience with TypeScript/React ...