1 to 25 of 30 Permanent Flask Jobs in London

Senior Fullstack Engineer (Python + React.js)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
strong focus on building scalable, high‐performance systems. Technical Skills: Python expertise, with hands‐on experience building backend services and APIs using FastAPI, Flask or similar. Experience in designing and developing end‐to‐end (E2E) tests to ensure smooth integration between backend and frontend components. A solid understanding of microservices ...

Systems Developer

Hiring Organisation
Massenhove Recruitment Limited
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £55,000 per annum
Python Strong understanding of Python fundamentals, object-oriented programming, and design patterns Experience with at least one modern Python web framework (e.g. Django, Flask, or FastAPI) Solid understanding of relational databases (e.g. PostgreSQL, MySQL, SQL Server) and SQL Experience with version control (Git) and collaborative workflows (e.g. GitHub, GitLab, Bitbucket ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Required Skills & Qualifications 6–11 years of professional software development experience with strong expertise in Python. Solid understanding of Python frameworks such as Django, Flask, or FastAPI. Experience in building RESTful APIs and microservices architecture. Strong knowledge of data structures, algorithms, and object-oriented programming. Hands-on experience with databases ...

Senior Backend Python Engineer | Flexible Work

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
collaborative environment. 5+ years of professional experience in backend software development primarily using Python Strong experience with Python web frameworks such as Django or Flask Proficient with RESTful API design and implementation Experience with database systems (SQL and NoSQL) Familiarity with containerization technologies like Docker and orchestration tools Experience working ...

Senior AI Engineer - Perm UK

Hiring Organisation
INFUSED SOLUTIONS LIMITED
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
experience. Experience productionising Machine Learning, NLP or Generative AI models. Strong experience designing and building RESTful APIs and microservices using frameworks such as FastAPI , Flask or Django . Strong SQL skills with experience designing performant relational database solutions. Commercial experience with AWS and/or Azure cloud platforms. Experience designing ...

Senior Python Backend Software Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
quickly Ability to effectively communicate complex technical concepts to team members and stakeholders. Familiarity with coding in Django and the Django Rest Framework, or Flask Web frameworks Degree in Computer Science (or similar), at 2:1 or above Amazon Web Services SQL/PostgreSQL Build pipeline and CI with GitHub ...

Apprentice Software Developer

Hiring Organisation
Reed Technology
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£20000 - £25000/annum
Interest in modern web development and frameworks such as React and Next.js. Understanding of backend development concepts with frameworks like Node.js, Python (Fast API, Flask, or similar). Basic knowledge of RESTful APIs and system integration. Familiarity with relational and/or NoSQL databases. Exposure to cloud computing platforms like ...

Junior Developer

Hiring Organisation
Avanti Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 45,000 - 55,000 Annual
exposure to machine learning projects Experience contributing to the deployment of an ML solution as part of a team Experience with React, AWS, Django, Flask, FastAPI, REST APIs, Git or CI/CD would also be beneficial. You do not need to be a machine learning specialist. However, you should ...

Junior Developer

Hiring Organisation
Avanti Recruitment
Location
Hackney, Greater London, Old Street, United Kingdom
Employment Type
Permanent
Salary
£45000 - £55000/annum
exposure to machine learning projects Experience contributing to the deployment of an ML solution as part of a team Experience with React, AWS, Django, Flask, FastAPI, REST APIs, Git or CI/CD would also be beneficial. You do not need to be a machine learning specialist. However, you should ...

Senior Backend Engineer (Python)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Looking For Required 7+ years of professional backend engineering experience. Expert-level Python development experience. Strong experience with modern Python web frameworks (FastAPI, Django, Flask or similar). Deep knowledge of PostgreSQL and relational database design. Experience building scalable REST APIs and backend services. Strong understanding of distributed systems ...

Senior Machine Learning Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
layered datasets (including imbalanced data) and integrating data pipelines into AI services Hands-on experience building and deploying web APIs using libraries such as Flask or FastAPI. Proficiency with database technologies such as SQL Server or Postgres, etc. Strong stakeholder communication skills: able to explain technical designs, risks, and operational ...

Senior Software Developer (Python)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
translate business requirem ent s into robust software solutions. Develop backend services and APIs using Python and modern frameworks such as F astAPI , Flask, or Django. Design and implem ent containerised applications using Docker and Kubernetes. Build and maintain CI/CD pipelines to enable reliable testing, deploym … junior developers and contribute to fostering a strong engineering culture. What you’ll bring Experience with modern Python frameworks such as FastAPI , Flask, or Django . Strong understanding of software engineering principles including testing, design patterns, maintainability, and code quality. Experience building and deploying applications on cloud platforms, preferably Google ...

Backend Developer

Hiring Organisation
First Choice Staff
Location
Feltham, London, United Kingdom
Employment Type
Permanent
Salary
£40,000
documentation covering architecture, processes, and code Essential Skills and Experience Solid proficiency in Python, JavaScript, and SQL Strong understanding of back-end frameworks (e.g. Flask, FastAPI, Node.js or similar) Experience working with cloud platforms (e.g. DigitalOcean, AWS, or Azure) Experience developing or maintaining RPA solutions Ability to work independently, managing ...

Lead Agentic AI Engineer

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
quality code practices Strong understanding of software engineering principles, architecture patterns, and delivery best practices Experience with API development using frameworks such as FastAPI, Flask, or Django Knowledge of Docker, containerised deployments, CI/CD, and cloud‐native delivery patterns What Will Make You Stand Out Experience building, deploying ...

Full Stack Software Engineer - AI/ML - Security Cleared

Hiring Organisation
Searchability NS&D
Location
Hounslow, Middlesex, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £90,000 per annum
would be valuable: SOFTWARE ENGINEERING* Full Stack Software Development* Python development* JavaScript/TypeScript or similar frontend technologies* REST APIs and frameworks such as Flask or Django* Git, automated testing and CI/CD* Strong software design and engineering practices* Linux development environments DATA & INTEGRATION* Application or systems integration* Databases ...

Senior Full Stack Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
commercial clients across multiple sectors. Assess technical trade-offs and guide design decisions across projects. Write, review, and own high-quality code - primarily Python (Flask, FastAPI, or Django) and JavaScript/TypeScript (React preferred). Build and maintain RESTful APIs and modern frontends. Work directly with clients - communicating clearly, understanding ...

Backend Software Developer (Python)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
collaborative, fast-moving environment Requirements Strong professional experience with Python Solid experience building RESTful APIs with FastAPI (or similar frameworks like Flask/Django) Passion for performance, scalability, and automation Experience or interest in AI A proactive mindset – someone who loves solving problems and experimenting with new tech What ...

Senior Data Scientist

Hiring Organisation
Jobleads-UK
Location
City of Westminster, England, United Kingdom
libraries (PyTorch, XGBoost, TensorFlow). Expert proficiency with SQL development, with Google dialects being advantageous. Proficiency with an API web framework (FastAPI, Django, Flask). Robust CI/CD discipline for ML, including GitHub Actions or GitLab CI, and infrastructure as code solutions such as Terraform. Desired Experience Experience ...

Senior Fullstack Engineer - Remote (Python + React)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
models, ensure security, and optimize performance across cloud-hosted services. The candidate should have 8+ years in backend development, experience with Python, FastAPI/Flask, ReactJS, and AWS. Hybrid UK/London work with strong ownership is expected. #J-18808-Ljbffr ...

Backend Python Engineer — AI-Driven, FastAPI, Hybrid London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
with a collaborative and agile team Requirements Strong commercial experience working with Python Hands-on experience developing APIs using FastAPI or similar frameworks (e.g. Flask or Django) A strong focus on performance, scalability, and automation Exposure to, or a genuine interest in, AI and data-driven technologies A curious, solutions ...

Senior Full Stack Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
building software that directly impacts how businesses operate. Preferred Experience 5+ 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 ...

Senior Java / Python Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
with Java and/or Python within enterprise environments Experience building backend services, APIs or distributed systems using technologies such as Spring Boot, FastAPI, Flask or Django Strong SQL and data processing skills, with exposure to large-scale data environments Previous experience working with risk platforms, risk data, trading ...

Principal Python Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
order management, algorithmic trading, financial systems integration, compliance, etc.) Deep Linux knowledge Preferred: Familiarity with Java Preferred: Familiarity with Web Frameworks such as Django, Flask or FastAPI A commitment to writing testable, maintainable code #J-18808-Ljbffr ...

Principal Python Software Engineer

Hiring Organisation
Jobleads-UK
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 Data Scientist

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
GenAI or advanced NLP projects, such as NER, table extraction, OCR integrations, or GNN solutions. Familiarity with orchestration and deployment tools: Airflow, Redis,Flask/Django/FastAPI,SQL,R-Shiny/Dash/Streamlit. Openness to evaluate and adopt emerging technologies and programming languages as needed. Public contributions ...