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10000+ Available Jobs for "senior software developer python"

Jobleads-UK

Senior Python Developer/ Engineer

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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

Ocho

Senior Python Developer

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Senior Python Developer needed to join the worlds newest IoT company Are you a Senior/Principal level Python developer looking for a new challenge? Do you want to work with some...

UnitedKingdomWork From Home

Jobleads-UK

Senior Lead Software Engineer - Python / Go

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Are you ready to shape the future of technology at a global financial leader? Join us and make a real impact by building advanced cloud platforms that power data-driven decision...

AuchentibberAny

Jobleads-UK

Senior Lead Software Engineer - Python / Java

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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...

Greater LondonAny

Interact Consulting Limited

Python Software Engineer Hybrid working

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Job DescriptionWe're looking for a Python Software Engineer to become the organisation's first dedicated engineering hire. You'll work closely with the CTO and the Data Engineers...

AshbourneWork From Home

Jobleads-UK

Software Engineer III- Python/ AI

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Push the limits of what's possible with us as an experienced member of our Software Engineering team.As an Experienced Software Engineer at JPMorganChase within the Global...

GlasgowAny

RJC Group

Python Developer

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Job DescriptionWe are seeking a skilled Python Engineer to join the expanding Front Office Automation team of a major Commodities Trading company based in London.Working directly...

AldgateAny

MCS Group

Senior Python/ AI Engineer

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Python/AI Software Engineer MCS Group are delighted to be partnering with a global organisation investing heavily in AI, automation and next-generation technology as they continue...

UnitedKingdomWork From Home

Python Developer

Location: Glasgow - 4 days on-site, 1 day remoteStart Date: ASAPContract End Date: April 2027 (with a few to extend for a further 12-months)Daily Rate: £400-£450 per day, Inside...

CadderContract

MCS Group

Senior/Principal Python Engineer

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Senior / Principal Python Engineer - Belfast Belfast | £85,000-£100,000 + EXCLUSIVE OPPORTUNITY We're working with a growing technology business that is looking for a...

UnitedKingdomWork From Home

GCS

Python Developer

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Job DescriptionPython Developer - Banking (Contract until 30/11/2026 with potential extension) Sheffield | Hybrid | 3 days onsite per week A major banking client is seeking a...

SheffieldAny

Teksystems

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...

ClerkenwellAny

Robert Walters

Python Developer

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Job DescriptionPython DeveloperLocation: GlasgowRole Type: Contract - 12 monthsWork Setup: Hybrid - 3 days in the officeWho We AreRobert Walters is the world's most trusted talent...

GlasgowAny

Python Developer

Python Developer - AI / LLM PlatformNcounter is supporting a growing technology consultancy looking for an experienced Python Developer to take ownership of production AI and LLM...

ReadingFull Time

Jobleads-UK

Python Full Stack Software Engineer II

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As a Software Engineer - Model Risk Governance & Review - Analyst at JPMorgan Chase in Model Risk Governance & Review (MRGR) team, you will be developing tools for MRGR Analytics...

Greater LondonAny

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Jobleads-UK

Senior Python Developer/ Engineer

Jobleads-UK

AnyCity of Westminster, England
City of Westminster, England
Any
Posted 2 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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