Permanent Flask Jobs in London

1 to 25 of 77 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, optimisation, 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: £70,000 - £80,000 per annum
Posted:

AI Engineer

City of London, London, United Kingdom
Cerberus Capital Management
Weights & Biases), model versioning, and 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 (Git, Azure DevOps) beyond the very More ❯
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Lead Full-Stack Developer

City of London, London, United Kingdom
Hybrid / WFH Options
Reed Technology
Proven track record in leading small, high-performing engineering teams in fast-paced environments. Deep expertise in full-stack development, including: TypeScript/JavaScript (NextJS, NodeJS, Tailwind) Python (Django, Flask, or FastAPI) PostgreSQL Experience with building and scaling SaaS platforms in production. Strong background in software architecture, microservices, and API design. Hands-on experience with cloud platforms (AWS, Azure, or More ❯
Employment Type: Permanent, Work From Home
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Senior Python Developer

City of London, London, United Kingdom
Hybrid / WFH Options
TreasurySpring
enthusiasm for test-automation and CI/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 APIs Knowledge of the More ❯
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Senior Software Developer

South Croydon, London, United Kingdom
Hybrid / WFH Options
Inspire People
12th of November at 12:30pm. Follow the application link for booking instructions HMLR's Core Tech Stack Languages: Java and Python (with some legacy Delphi) Frameworks: Spring Boot, Flask, Django Cloud & Hosting: AWS and OpenShift (container-based environments) Containers & DevOps: Docker, Kubernetes, CI/CD pipelines (Jenkins, GitHub/GitLab) Databases: PostgreSQL (primary), with some Oracle and SQL Server More ❯
Employment Type: Permanent, Work From Home
Salary: £60,000
Posted:

Forward Deployed Software Engineer | FinTech Start Up

City of London, London, United Kingdom
Oho Group Ltd
and collaborating closely with product and design teams to deliver elegant, high-impact solutions. What you’ll be doing: Developing high-quality backend services in Python (FastAPI, Django or Flask). Building and maintaining front-end components in TypeScript (React or Next.js). Designing RESTful and GraphQL APIs. Writing clean, testable code with CI/CD pipelines. Working in an More ❯
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Forward Deployed Software Engineer | FinTech Start Up

London Area, United Kingdom
Oho Group Ltd
and collaborating closely with product and design teams to deliver elegant, high-impact solutions. What you’ll be doing: Developing high-quality backend services in Python (FastAPI, Django or Flask). Building and maintaining front-end components in TypeScript (React or Next.js). Designing RESTful and GraphQL APIs. Writing clean, testable code with CI/CD pipelines. Working in an More ❯
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Senior Python Engineer

City of London, London, United Kingdom
Experis UK
Strong academic foundation in Computer Science, Engineering, or related discipline. 3+ years of professional experience in backend or software engineering. Deep expertise in Python and frameworks such as FastAPI, Flask, or Django. Proven experience building and scaling APIs in cloud environments (GCP, AWS, or Azure). Strong understanding of version control, CI/CD workflows, and containerised development. Excellent communication More ❯
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Lead Backend Developer

London, England, United Kingdom
Fruition Group
oriented architecture. Champion the use of AI and automation to enhance productivity across the team. What experience do I need: Strong background building and scaling Python-based systems (FastAPI, Flask, or Django REST). Proven leadership experience in a development environment Solid expertise in microservices, APIs, messaging patterns, and distributed systems. Proficient with cloud platforms (AWS, GCP, Azure) and containerisation More ❯
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Senior Data Scientists / Analysts – SC/DV Cleared — Multiple Openings 🌳

London Area, United Kingdom
Hybrid / WFH Options
Areti Group | B Corp™
scale. The toolkit you’ll use 🌳 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 stores, model monitoring, A More ❯
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Lead Backend Engineer

London, United Kingdom
Fruition Group
oriented architecture. Champion the use of AI and automation to enhance productivity across the team. What experience do I need: Strong background building and scaling Python-based systems (FastAPI, Flask, or Django REST). Proven leadership experience in a development environment Solid expertise in microservices, APIs, messaging patterns, and distributed systems. Proficient with cloud platforms (AWS, GCP, Azure) and containerisation More ❯
Employment Type: Permanent
Posted:

Python Developers Needed - DV/SC Cleared - Amazing Company

London Area, United Kingdom
Hybrid / WFH Options
Areti Group | B Corp™
within a microservices architecture Solving 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 and Government projects Ideally security More ❯
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Lead Python Developer, GCP Python Engineer

London Area, United Kingdom
Experis UK
excellence : Promote engineering best practices across the team and inspire your peers to improve their skills and capabilities. Required Skills: Proven experience designing and building REST APIs (ideally with Flask, FastAPI, or similar frameworks). Expertise in designing architectures that meet scalability, reliability, and security goals. Strong problem-solving skills, particularly in product development. Solid understanding of backend best practices More ❯
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Python Software Engineer – Hybrid (3 days per week, London) – Up to £90K

City Of London, England, United Kingdom
Hybrid / WFH Options
Kioni Talent
to hear from you. 📩 Apply now to learn more about the company and this opportunity! (Python Engineer, Python Developer, Backend Developer, Software Developer, Software Engineer, Django Developer, Django, FastAPI, Flask, AWS, SaaS, REST API, Cloud, CI/CD, Start-up, London, Hybrid More ❯
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AI Automation Engineer

Central London, London, United Kingdom
McCabe & Barton
rules, managing records, and integrating 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/OpenAPI), webhooks, and integrating disparate More ❯
Employment Type: Permanent
Posted:

Software Engineer

South Croydon, London, United Kingdom
Hybrid / WFH Options
Inspire People
of November at 12:30pm. Follow the application link for booking instructions. HMLR's Core Tech Stack Languages: Java and Python (with some legacy Delphi). Frameworks: Spring Boot, Flask, Django. Cloud & Hosting: AWS and OpenShift (container-based environments). Containers & DevOps: Docker, Kubernetes, CI/CD pipelines (Jenkins, GitHub/GitLab). Databases: PostgreSQL (primary), with some Oracle and More ❯
Employment Type: Permanent, Work From Home
Salary: £40,000
Posted:

Senior Backend Python Developer

North West London, London, United Kingdom
Richard Wheeler Associates
users needs Take technical ownership of areas of product Required: 8-9+ years of experience writing Backend applications using Python and Django (Rest Framework) or related frameworks, e.g. Flask, FastAPI or similar Good understanding of ORM (either Django or SQLAlchemy) Good understanding of Python Unit Testing frameworks and TDD practices Experience working with Cloud Infrastructure (Ideally AWS) Good understanding More ❯
Employment Type: Permanent
Salary: £85,000
Posted:

Full-Stack React Developer

City of London, London, England, United Kingdom
Eligo Recruitment
workflows Shape technical strategy and contribute to long-term system improvements Drive code quality, observability, and resiliency across services Tech Stack Frontend : React, JavaScript/TypeScript Backend : Python (FastAPI, Flask, or Django), ideally with geospatial data processing Cloud : AWS (Lambda, ECS, RDS, S3, API Gateway, etc.) DevOps : Docker, CI/CD pipelines, Git Orchestration : Airflow or similar tools Eligo Recruitment More ❯
Employment Type: Full-Time
Salary: £90,000 per annum
Posted:

Senior Python Software Engineer

City of London, London, United Kingdom
Creo Recruitment
the team. Contribute to technical 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, Terraform, GitHub Actions, CloudFormation Monitoring More ❯
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Senior Software Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Swissblock Technologies AG
to learn new things Preferred qualifications Background in traditional finance or digital assets, ideally in trading domain Hands-on experience with Python libraries and frameworks (NumPy, Pandas, Airflow, FastAPI, Flask, SQLAlchemy) Highly proficient in asynchronous, event driven distributed systems Working knowledge of cloud-native architectures, GCP preferred Experience in Go and working with real-time data streams What we offer More ❯
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Software Engineer - 2-4 years Python - Remote UK - AI Start Up - £50k + Generous Equity!

London, United Kingdom
Hybrid / WFH Options
Opus Recruitment Solutions
tools Collaborate with AI researchers to integrate models into production Take a product-first approach to engineering What You'll Need 2-4 years experience with Python (FastAPI/Flask) Experience with distributed systems and cloud platforms Proficiency in database design (e.g. PostgreSQL) Familiarity with Docker, IaC tools (Terraform), and monitoring stacks Start-up mindset Bonus: Experience with AI/ More ❯
Employment Type: Permanent
Salary: GBP 50,000 Annual
Posted:

Software Engineer - 2-4 years Python - Remote UK - AI Start Up - £50k + Generous Equity!

East London, London, United Kingdom
Hybrid / WFH Options
Opus Recruitment Solutions
tools Collaborate with AI researchers to integrate models into production Take a product-first approach to engineering What You’ll Need 2-4 years experience with Python (FastAPI/Flask) Experience with distributed systems and cloud platforms Proficiency in database design (e.g. PostgreSQL) Familiarity with Docker, IaC tools (Terraform), and monitoring stacks Start-up mindset Bonus: Experience with AI/ More ❯
Posted:

Software Engineer - 2-4 years Python - Remote UK - AI Start Up - £50k + Generous Equity!

City of London, London, United Kingdom
Hybrid / WFH Options
Opus Recruitment Solutions
tools Collaborate with AI researchers to integrate models into production Take a product-first approach to engineering What You’ll Need 2-4 years experience with Python (FastAPI/Flask) Experience with distributed systems and cloud platforms Proficiency in database design (e.g. PostgreSQL) Familiarity with Docker, IaC tools (Terraform), and monitoring stacks Start-up mindset Bonus: Experience with AI/ More ❯
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Software Engineer - 2-4 years Python - Remote UK - AI Start Up - £50k + Generous Equity!

Central London / West End, London, United Kingdom
Hybrid / WFH Options
Opus Recruitment Solutions
tools Collaborate with AI researchers to integrate models into production Take a product-first approach to engineering What You’ll Need 2-4 years experience with Python (FastAPI/Flask) Experience with distributed systems and cloud platforms Proficiency in database design (e.g. PostgreSQL) Familiarity with Docker, IaC tools (Terraform), and monitoring stacks Start-up mindset Bonus: Experience with AI/ More ❯
Posted:

Python Developer

London Area, United Kingdom
Harrington Starr
to succeed Minimum of 3+ 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. Strong interest in finance and More ❯
Posted:
Flask
London
10th Percentile
£64,656
25th Percentile
£73,125
Median
£81,250
75th Percentile
£90,000
90th Percentile
£102,750