Python Developer Contract Jobs in London

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Updating results… 30 Contract jobs

Python Developer

Posted 2 days ago by Avensys Consulting UK


Role: Python DeveloperLocation: LondonContract: Inside IR35Key SkillsStrong Python developmentReact / TypeScriptLLM / Ge...

  • Rate Not specified
  • Category Inside
  • Work type Not specified
  • Location London Area, United Kingdom

Python Developer + React + LLM

Posted 2 days ago by Avensys Consulting UK


Key SkillsStrong Python developmentReact / TypeScriptLLM / Generative AI application developmentRAG pipelines and vector...

  • Rate Not specified
  • Category Inside
  • Work type Not specified
  • Location London Area, United Kingdom

Java/Python Software Developer - Risk

Posted 2 days ago by Hunter Bond


The roleWe're working with a leading global financial organisation looking to hire an experienced Backend Engineer to jo...

  • Rate £750 per day
  • Category Not specified
  • Work type Hybrid
  • Location London

Java/Python Software Developer - Risk

Posted 3 days ago by Hunter Bond


The roleWe're working with a leading global financial organisation looking to hire an experienced Backend Engineer to jo...

  • Rate £750 per day
  • Category Not specified
  • Work type Hybrid
  • Location London

Senior Python Developer - SC Cleared

Posted 3 days ago by Synergetic


Senior Python Developer - SC ClearedContract: 6 monthsRate: Negotiable (Inside IR35)Location: Mostly remote, occasional...

  • Rate Not specified
  • Category Inside
  • Work type Remote
  • Location London and Remote

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Sr Linux Automation & Platform Engineer (Python/Ansible)

Posted 3 days ago by Randstad Technologies


The Role in BriefWe are looking for a Senior Linux System Administrator who thrives on high-performance environments and...

  • Rate £380 per day
  • Category Inside
  • Work type Hybrid
  • Location London

Senior AWS DevOps Engineer IaC, CDK, Terraform, Python, OIDC, IAM

Posted 3 days ago by Smart Sourcer Limited


Senior AWS DevOps Engineer IaC, Serverless, CDK, Terraform, Python, OIDC, IAM Rules Outside IR35A standout contract oppo...

  • Rate Not specified
  • Category Outside
  • Work type Not specified
  • Location London

sr linux automation & platform engineer (python/ansible)

Posted 3 days ago by Randstad


The Role in BriefWe are looking for a Senior Linux System Administrator who thrives on high-performance environments and...

  • Rate £380 per day
  • Category Inside
  • Work type Hybrid
  • Location city of london, london

3X Contract Python Engineers - London, Hybrid - £750pd

Posted 4 days ago by Ada Meher


Contract Python Engineers – 3–6 Month Contracts London / Hybrid | £650–£750 pd Outside IR35I’m working with a heavily VC...

  • Rate £750 per day
  • Category Outside
  • Work type Hybrid
  • Location London Area, United Kingdom

Senior AWS DevOps Engineer – IaC, CDK, Terraform, Python, OIDC, IAM

Posted 4 days ago by Smart Sourcer Limited


What You’ll Be DoingYou’ll be a key contributor in designing, delivering, and supporting the cloud foundations that powe...

  • Rate £600 per day
  • Category Outside
  • Work type Remote
  • Location City of London (EC1)

Senior Data Engineer - Python, Databrick, AI

Posted 4 days ago by Axiom Software Solutions Ltd


Position: Senior Data Engineer - Python, DatabrickLocation: LondonJob Type: ContractJob ResponsibilitiesDevelop workflow...

  • Rate Not specified
  • Category Not specified
  • Work type Not specified
  • Location London

Trade Floor Support - Windows/Python/Powershell - Front Office/Trading

Posted 4 days ago by Scope AT Limited


Trade Floor Support Analyst with engineering skills, supporting the Front Office and trading teams. Must have technical...

  • Rate Not specified
  • Category Not specified
  • Work type Not specified
  • Location City, London

Python (Flask) JavaScript (React) Full Stack Developer - MUST HAVE SC CLEARANCE...

Posted 5 days ago by Octopus Computer Associates


Python (Flask) JavaScript (React) Full Stack Developer - MUST HAVE SC CLEARANCE - Remote and London or Croydon - 2 month...

  • Rate £535 per day
  • Category Inside
  • Work type Remote
  • Location Remote and London or Croydon

Senior Data Engineer - Python, Databricks

Posted 5 days ago by Qualient Technology Solutions UK Limited


Position: Senior Data Engineer - Python, DatabricksLocation: London6 months Contract5 days onsite work per weekNo of pos...

  • Rate Not specified
  • Category Not specified
  • Work type Onsite
  • Location London

DevOps Engineer - Python Specialist

Posted 5 days ago by CBSbutler


DevOps Engineer - Python SpecialistRemote£640 per day inside ir35Active SC clearance required - single nationalityWe're...

  • Rate £640 per day
  • Category Inside
  • Work type Remote
  • Location London

DevOps Engineer - Python Specialist

Posted 5 days ago by CBS Butler


DevOps Engineer - Python SpecialistRemote£640 per day inside ir35Active SC clearance required - single nationalityWe're...

  • Rate £640 per day
  • Category Inside
  • Work type Remote
  • Location London

Full Stack Developer (Python/React/Flask) (Public Sector/Civic Tech)

Posted 6 days ago by GIOS Technology Limited


We are hiring for Full Stack Developer (Python/React/Flask ) (Public Sector/Civic Tech)Location: Hybrid London Or Croydo...

  • Rate Not specified
  • Category Inside
  • Work type Hybrid
  • Location London/Croydon/Hybrid

Full Stack Python Developer

Posted 6 days ago by LA International Computer Consultants Lt...


Our client is looking for a Full Stack Python Developer to join their team on a one year initial contract, working three...

  • Rate £450 per day
  • Category Inside
  • Work type Onsite
  • Location London

Senior Quant Developer (Python)

Posted 7 days ago by Hunter Bond


Join a leading global financial technology firm at the forefront of innovation in electronic trading. This is an opportu...

  • Rate £700 per day
  • Category Not specified
  • Work type Remote
  • Location London

Python Developer

Posted 1 week ago by Lorien Impellam


OverviewWe are seeking an experienced Python Developer to join a leading Life & Pensions organisation on a major tra...

  • Rate Not specified
  • Category Not specified
  • Work type Hybrid
  • Location London, United Kingdom

About Our Python Developer Contract Roles in London

What does a python developer contractor do?

Organisations bring in Python Developer contractors to build applications, data pipelines, APIs, automation scripts, and AI and machine learning systems using Python, which has become one of the most versatile and widely used programming languages in the UK contracting market. Python's dominance in data engineering, machine learning, and scientific computing, combined with its strong presence in back-end web development and automation, means that Python Developer contracting spans an unusually broad range of application domains. Contract engagements arise in technology companies, financial services, data-intensive businesses, government agencies, and scientific and research organisations, covering everything from building Django or FastAPI web services to developing data transformation pipelines on cloud platforms to implementing machine learning model serving infrastructure.

The core competencies for Python Developer contracting include depend on the specific domain and application type. For back-end web development, experience with Django or FastAPI, RESTful API design, PostgreSQL database management, and deployment on cloud platforms is expected. For data engineering roles, proficiency with Apache Spark, Pandas, SQL, and cloud data platforms including AWS Glue, Azure Data Factory, or Google Cloud Dataflow is widely expected. For machine learning-adjacent roles, familiarity with PyTorch, scikit-learn, or TensorFlow alongside MLOps tooling for deployment and monitoring is increasingly required. Across all Python domains, strong software engineering practices including test-driven development with pytest, version control with Git, code review, and CI/CD pipeline integration are expected at professional contractor level. Type hinting and familiarity with modern Python packaging and dependency management is broadly assumed at senior level.

What is the market like for python developer contractors?

Contract Python Developer work sits within one of the highest-volume and most steadily active segments of the UK technology contracting market. The language's dominance in data, AI, and machine learning, combined with its strong presence in back-end web development, means that Python expertise is in demand across virtually every sector and application domain simultaneously. The explosive growth of AI and machine learning applications has significantly elevated demand for Python contractors who can bridge software engineering and AI system development. Rates are strong across most Python domains and are among the highest available in the back-end development contracting market for contractors who combine Python proficiency with cloud deployment skills and AI or data engineering expertise.

What is the contracting market like in London?

London dominates the UK contractor market by volume, depth, and rate levels. The capital concentrates the headquarters and major offices of most FTSE 100 companies, the largest global banks, the Big Four professional services firms, and the central government departments that collectively generate the majority of UK contract demand. Every contracting discipline covered on this site has active demand in London, from niche specialisms like threat intelligence and LLM engineering through to high-volume disciplines like project management and business analysis. The sheer density of employers means contractors in London typically have more choice of engagement at any given time than anywhere else in the UK. Day rates carry a premium of 15 to 25 per cent over the national average across most disciplines, reflecting both the concentration of complex, high-value programmes and the cost of operating in the capital.

How much do python developer contractors usually earn in London?

Contract rates for python developer roles in London typically range from £550 to £990 per day, depending on the scope of the role, required expertise, and the delivery expectations of the engagement.

How many python developer vacancies in London are there on Quality Contracts?

Over the past twelve months, we have tracked over 350 python developer contract roles across the site, with London accounting for roughly one in three of those. Data reviewed up to September 2026.