9783 Available Jobs for "lead python web developer"

Jobleads-UK

Senior Python Developer/ Engineer

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External

We are looking for a talented Python Engineer with hands-on experience building high quality, scalable server less applications. You will work closely with the Lead Engineer to...

City of Westminster, EnglandAny

Jobleads-UK

python developer in compliance technology

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External

ОписаниеThe company is a fast-growing AI start-up building technology that transforms compliance and operational efficiency across the NHS and wider regulated...

Greater LondonAny

Jobleads-UK

Python Developer with Data experience

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About Us: Solirius Reply, part of the Reply Group, is a technology consultancy and digital transformation partner that helps organisations solve complex challenges through...

Greater LondonAny

17918

Python Developer with Data experience

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hackajob is partnering directly with Solirius Reply to hire for this role. About Us: Solirius Reply, part of the Reply Group, is a technology consultancy and digital...

ClerkenwellAny

Jobleads-UK

Python Developer / Team Lead - Fintech

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Python Developer / Team Lead - FinTech Client Server London, EnglandPython Developer / Team Lead London / WFH to £120kAre you a skilled Python Developer with team leadership...

Greater LondonWork From Home

Jobleads-UK

Python Developer, Data Experience

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External

Design, develop and maintain high-quality Python applications, services and data processing solutionsBuild and optimise scalable ETL/ELT pipelines for ingestion, transformation...

Greater LondonAny

Capgemini

Gen AI Python Developer

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External

This job is with Capgemini, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter...

Greater LondonFull Time

Jobleads-UK

python developer in front-office trading

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Описание:The employer supports asset management and front-office trading technology within a global Japanese bank, developing high-performance trading systems and cloud...

Greater LondonAny

Jobleads-UK

python developer market data

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ОписаниеThe company is a hedge fund building a modern medallion architecture data platform for financial and market data.ЗадачиDesign and build data platform components using...

Greater LondonAny

Jobleads-UK

Senior Backend Developer (Django/Python)

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Updraft. Helping you make changes that pay off.Updraft is an award winning, FCA-authorised, high-growth fintech based in London. Our vision is to revolutionise the way people...

Greater LondonAny

Jobleads-UK

Python Lead Software Engineer

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We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.As a Lead Software Engineer at JPMorgan Chase within the IP...

Greater LondonAny

Teksystems

Mid Level/ Senior Python Developer

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Job DescriptionJob Title: Python Developer (Contract, Hybrid) Job Description Overview We are seeking a Python Developer to join a high-performing regulatory technology team...

BromleyAny

Jobleads-UK

Senior Python Developer - AVP

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Citi is seeking a highly motivated candidate for Senior Python developer in Wholesale Credit RiskTechnology team that serves Institutional Credit Management (ICM). We are looking...

Northern IrelandAny

Jobleads-UK

Senior Python Backend Software Developer

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About usAt Xelix, we work with some of the world’s largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams...

Greater LondonAny

17918

Python Developer - Geospatial Image Processing

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External

Python Developer / Backend Software Engineer Cirencester / WFH to £85k Do you have a good understanding of geospatial or image processing technology combined with Python backend...

CirencesterAny

External

Senior Python Developer/ Engineer

Jobleads-UK

AnyCity of Westminster, England
City of Westminster, England
Any
Posted 4 days ago by Jobleads-UK

Job Description

We are looking for a talented Python Engineer with hands-on experience building high quality, scalable server less applications. You will work closely with the Lead Engineer to design, build, and enhance the Digital Onboarding Service (DOS) used across the client API Platform.

This role is ideal for someone who is strong in Python, confident working with architects and APIs, and comfortable delivering features within an Agile delivery team.

Responsibilities:

  • Develop high quality, secure, and maintainable features for the client Digital Onboarding Service using Python on the backend in a serverless and containerized architecture with a NextJS/React client frontend.
  • Design, develop, and maintain scalable RESTful APIs and microservices using Python frameworks such as FastAPI or Flask.
  • Build and support cloud-native solutions leveraging AWS services including Lambda, ECS Fargate, API Gateway, DynamoDB, S3, Secrets Manager, and CloudWatch.
  • Work closely with the Lead React Engineer, Technical Architects, and Engineering teams to implement technical designs, architectural patterns, and coding standards.
  • Collaborate with product managers, designers, and client stakeholders to translate business requirements into robust technical solutions.
  • Design and implement integrations with internal client systems and external third-party APIs using REST, webhooks, and event-driven integration patterns.
  • Apply software engineering best practices, including SOLID principles, Clean Architecture, Repository Pattern, Factory Pattern, Strategy Pattern, Dependency Injection, and other design patterns to create maintainable and extensible solutions.
  • Implement resilient solutions using retry mechanisms, error handling strategies, circuit breaker patterns, dead-letter queues, and asynchronous messaging.
  • Work within established development and release processes to ensure high-quality software delivery. Contribute to code quality, automated testing, performance optimization, and system reliability improvements.
  • Support CI/CD deployment pipelines and collaborate with DevOps teams to ensure smooth and reliable application delivery.
  • Contribute to documentation, knowledge sharing, and continuous improvement within the engineering team.

Requirements:

  • Professional software engineering experience.
  • Strong commercial experience with Python using FastAPI, Flask, or similar backend frameworks.
  • Extensive experience developing RESTful APIs, microservices, and backend services.
  • Strong hands‑on experience with AWS cloud services, including ECS Fargate, Lambda, API Gateway, DynamoDB, S3, SNS, SQS, EventBridge, Step Functions, IAM, Secrets Manager, and CloudWatch.
  • Strong experience with serverless deployment and architecture patterns.
  • Experience developing and deploying containerized applications using Docker and AWS ECS/Fargate.
  • Experience integrating with third‑party APIs, enterprise platforms, and external services.
  • Strong understanding of software design patterns, object‑oriented programming principles, clean code practices, and distributed system design.
  • Experience implementing API security using OAuth2, JWT, OpenID Connect, API Keys, and secure authentication/authorization mechanisms.
  • Experience with relational and NoSQL databases such as PostgreSQL, MySQL, Aurora, or DynamoDB.
  • Experience with Infrastructure as Code (Terraform, AWS CDK, or CloudFormation) is highly desirable.
  • Good understanding of software deployment processes, application monitoring, logging, and environment management.
  • Experience working in secure or regulated environments (e.g., healthcare, finance, government) is beneficial.
  • Understanding of data protection, access control, and secure software development practices.
  • Experience working within Agile/Scrum delivery environments.

Nice-to-Have Skills:

  • Experience with React/NextJS.
  • Experience with automated testing frameworks such as Pytest, Unit Testing, Integration Testing, and API Testing.
  • Exposure to WebSockets, event‑driven architectures, or real‑time data patterns.
  • Familiarity with modern authentication approaches such as OAuth2, OpenID Connect, JWT, and AWS Cognito.
  • Experience with OpenAPI/Swagger specifications and API lifecycle management.
  • Experience with CI/CD tools such as GitHub Actions, Azure DevOps, Jenkins, or AWS CodePipeline.

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