1228 Available Jobs for "python developer"

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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

Jobleads-UK

Senior Python Developer - AVP

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

Northern IrelandAny

Quant Capital

Full Stack Python Developer – Fintech

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Full Stack Python Developer Fintechup to 65KQuant Capital is urgently looking for Full Stack Python Developer to join our high profile client.Our client is a small quantitative...

The BoroughAny

Quant Capital

Full Stack Python Developer – Fintech

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Full Stack Python Developer Fintechup to 65KQuant Capital is urgently looking for Full Stack Python Developer to join our high profile client.Our client is a small quantitative...

WhitehallAny

Robert Half

Lead Python Developer (TOP Trading Company!)

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Lead Python Developer (TOP Trading Company) TIME TO JOIN A TOP COMPANY!!!ððððð¡ððððð ðððð ððð§ððð¡ ððððððððð - ðð ð§ðð ððððð§ ðððð!-Greenfield environment-First hire in the...

The BoroughAny

Client Server

Python Developer / Team Lead - FinTech

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Python Developer / Team Lead London / WFH to 120kAre you a skilled Python Developer with team leadership experience?You could be progressing your career at a well-funded and...

The BoroughWork From Home

Jobleads-UK

SC-Cleared Python Developer – Remote Contract

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iO Associates is seeking an SC Cleared Python Developer for a remote contract in the UK, with London visits every 4–6 weeks. The role offers £400–£500 per day outside IR35,...

Greater LondonAny

Jobleads-UK

python developer in quantitative investment

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ОписаниеMan Group is a global alternative investment management firm serving sophisticated clients through systematic, discretionary, and solutions-based investment strategies...

Greater LondonAny

Jobleads-UK

Gen AI Python Developer

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# Gen AI Python DeveloperLondonApply for this job* Permanent* Experienced Professionals* Data & AI* ID 549011-en\\_GB**Job Title:** **Gen AI Python Developer****Location:...

Greater LondonAny

Quant Capital

Java Ruby Python Developer

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Java Ruby Python DeveloperQuant Capital is urgently looking for a Java / Scala / Ruby Developerto join our high profile client.Our client is an established financial data...

WhitehallAny

Quant Capital

Python Django Developer

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Python Django Developer Times Fastest Growing Quant Capital is urgently looking for a Python Django Developer to join our high profile client in their main development team.Our...

WhitehallAny

Quant Capital

Python Quant Developer

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Python Quant DeveloperQuant Capital is urgently looking for Python Developer / Quant Developer to join our high profile client.Our client is a new growing Quant Hedge Fund in the...

WhitehallAny

Quant Capital

Python Developer Times Fastest Growing Fintech

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Python Developer Times Fastest Growing FintechQuant Capital is urgently looking for a Python developer to join our high profile client in their main development team.Our client is...

WhitehallAny

Quant Capital

Python Quant Developer

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Python Quant DeveloperQuant Capital is urgently looking for Python Developer / Quant Developer to join our high profile client.Our client is a new growing Quant Hedge Fund in the...

The BoroughAny

Consortia

Python/Pandas Developer

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Senior Python/Pandas Developer ContractorBuild and optimise FX data solutions for a Tier 1 Investment BankAre you an experienced Python developer with strong Pandas skills and a...

The BoroughAny

External

Senior Python Developer/ Engineer

Jobleads-UK

AnyCity of Westminster, England
City of Westminster, England
Any
Posted 6 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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