20 of 20 Contract Python Jobs in the City of London

Full Stack Developer

Hiring Organisation
Devonshire Hayes Recruitment Specialists Limited
Location
City of London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£45,000 - £65,000 per annum
within real-time or trading environments Experience with WebSockets or SignalR for real-time communication Backend development experience with .NET (C#) and/or Python Strong understanding of REST APIs and microservices architecture Experience with message brokers (e.g. RabbitMQ or Kafka) Knowledge of caching technologies (e.g. Redis) Experience with Azure ...

Software Engineer

Hiring Organisation
McGregor Boyall Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £700 per day
development of client-facing digital platforms and dashboards Modernise systems into cloud-native, API-first architectures Key skills Cloud engineering (Azure, Kubernetes, serverless, DevOps) Python and relational databases (SQL) Data platforms, ETL/ELT, and analytics AI tools and LLM integrations (e.g. GPT, Claude, Gemini) Security, governance, and regulated environment ...

AI Platform Architect

Hiring Organisation
Hays Specialist Recruitment Limited
Location
City of London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 - £383 per day
architecture diagrams. Experience integrating platforms across complex enterprise ecosystems. Strong knowledge of data governance, security, and best practices for cloud-native systems. Proficiency in Python/SQL and familiarity with CI/CD, Terraform/IaC is a plus. Preferred Qualifications: Databricks Architect or AWS Solutions Architect certification. Experience with ...

GCP Data Engineer - London

Hiring Organisation
Reed
Location
City of London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
deliver production-grade data solutions. Ensure pipelines are production-ready, well-documented, and ready for business-as-usual handover. Required Skills & Qualifications: Proficient in Python, Scala, and SQL. Extensive experience in data modelling and ELT/ETL processes. Strong hands-on experience with Google Cloud Platform, including BigQuery, Dataflow ...

Senior Data Analyst - Marketing

Hiring Organisation
Rullion Managed Services
Location
City of London, London, United Kingdom
Employment Type
Contract
improvement, and collaboration. Are we the perfect match? Experience working with Marketing data Extensive experience as a Senior Data Analyst, with advanced SQL and Python skills, along with expertise in advanced analytics techniques such as modelling, segmentation, and predictive analysis. Strong analytical skills with a passion for problem-solving Excellent ...

Innovation Technologist

Hiring Organisation
Infoplus Technologies UK Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
terms & Conditions. Creating a cost optimised multi model journey management tool Key Skills: Knowledge of GCP Cloud architecture, development and deployment (K8s) Coding (JavaScript, Python, Java, etc.) UX/UI design AI/ML, generative design, 3D engines (e.g. Unity ...

Senior Data Operations Engineer

Hiring Organisation
Morson Edge
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£550 - 650 per day
support for operational data pipelines, including troubleshooting incidents, conducting root cause analysis, managing SLAs, and improving resiliency across business-critical data feeds. Requirements: SQL Python/Bash ETL/ELT support Workflow orchestration (Airflow or Dagster) AWS data services (Athena, S3, MWAA, Iceberg) Data quality monitoring & incident management Nice ...

Senior Data Engineer

Hiring Organisation
Hays Technology
Location
City of London, London, Cheap, United Kingdom
Employment Type
Contract
Your new role You will be migrating data from on prem onto Snowflake for a Greenfield project. What you'll need to succeed Strong Python and SQL are crucial to this role On-prem to Snowflake migration experience Airflow and DBT experience GitHub experience as you will be building ...

Technical Program Manager - GenAI Safety & Experience

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£52.49/hour
Trust & Safety or Customer Experience. AI Fluency: Strong understanding of LLMs, prompt engineering, and ethical AI implications. Analytical rigour: Proficiency in SQL; familiarity with Python/R is a bonus for Data Science tracks. Adaptability: Thrives in high-growth, ambiguous environments while prioritising safety protocols. Why Join ...

Senior Python Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540 per day
Senior Python Developer Duration: 14 Months Location: London, UK (3 days in office) Active SC Clearance required Inside IR35 - Umbrella only About the Role: We are seeking a highly skilled and versatile Senior Developer to join our team and contribute to the development and maintenance of our cutting-edge Azure … Monetary Analysis, Forecasting, and Modelling activities. The Senior Developer will be responsible for both front-end and back-end development, with a focus on Python, including the challenging but rewarding task of reverse engineering an existing codebase to integrate new features and improvements. This role requires a strong understanding ...

Data Engineer - Snowflake & AWS

Hiring Organisation
IO Associates
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 550 - 600 Daily
Contract Data Engineers - Snowflake/AWS/Python/Airflow Location: London (Hybrid - 2 days per week onsite) Duration: 6 months Day Rate: £550 - £600 (Outside IR35) A highly reputable Capital Markets firm is seeking 2 x Contract Data Engineers to join their data team on a 6-month engagement ...

Senior Python Developer

Hiring Organisation
Experis
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 540 Daily
Senior Python Developer Duration: 14 Months Location: London, UK (3 days in office) Active SC Clearance required Inside IR35 - Umbrella only About the Role: We are seeking a highly skilled and versatile Senior Developer to join our team and contribute to the development and maintenance of our cutting-edge Azure ...

Software Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £601/day
modern technologies and practices , promoting proportionate adoption of tools that add value. Technical Skills & Responsibilities: Intermediate to advanced practical experience with: React and TypeScript Python AWS services i.e. Athena/Glue, DynamoDB, ECS, S3, Lambda, SQS, Step Function, etc Automated testing frameworks for Python and JavaScript Terraform for infrastructure ...

Full Stack Engineer

Hiring Organisation
TXP
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540/day Inside IR35
Full Stack Engineers for a client in the financial service space. The client requires Engineers who have experience with UI, APIs, C#, AWS, Python and Terraform. You must be an excellent communicator, due to the work required on the project, along with experience in either R Programming, Delivery Management … finance, with sufficient domain familiarity to be productive quickly without significant onboarding in core financial concepts. Strong proficiency in the following technologies: C#, Python, SQL, Terraform, AWS Proven ability to work directly with stakeholders and users to understand problems and deliver effective solutions. Strong analytical and problem-solving skills with ...

Lead PySpark Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£281 - £292/day 388
/ELT pipelines and Data Marts using PySpark, EMR, and Glue. Legacy Modernisation: Architect the conversion of SAS Base/Macros into modular, testable Python code using SAS2PY and manual refactoring. Performance Tuning: Optimise Spark execution (partitioning, shuffling, caching) to ensure cost-efficient processing of massive financial datasets. Quality & Governance … Implement rigorous CI/CD, unit testing, and data reconciliation frameworks to ensure "penny-perfect" accuracy. Technical Stack Engine: PySpark (Expert), Python (Clean Code/SOLID principles). AWS: EMR, Glue, S3, Athena, IAM, Lambda. Data Modeling: SCD Type 2, Fact/Dimension tables, Data Vault/Star Schema. Legacy ...

Java Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£468 - £469/day
from a variety of sources, ensuring that different data sets can be effectively combined and analysed. They can also utilise programming languages such as Python, Java or SQL and tools such as Apache Spark or in this instance LakeFS, for data processing and management. Useful - R, Apache Spark Very useful … Python, SQL, JSON, LakeFS. ...

Data Analyst

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £510/day
basis, clarifying ownership and integration points, and capturing this information in a way that supports risk assessment and decommissioning decisions. Responsibilities: Python and PySpark are required as supporting capabilities, used where needed to analyse data pipelines and confirm how data moves and transforms in practice. The role also requires strong … Azure is expected, with Databricks considered a nice to have. Required Skills: Java background Node JS Json RDS React Data Modelling Python/Spark Cloud experience (AWS/Azure) o AWS Glue o Databricks Testing e.g. PyTest Data Quality e.g. Great Expectations ...

Java Developer

Hiring Organisation
Sanderson Government and Defence
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £460 per day + Inside IR35
from a variety of sources, ensuring that different data sets can be effectively combined and analysed. They can also utilise programming languages such as Python, Java or SQL and tools such as Apache Spark or in this instance LakeFS, for data processing and management. Useful - R, Apache Spark. Very useful … Python, SQL, JSON, LakeFS. Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership ...

Data Engineer - Snowflake & AWS

Hiring Organisation
IO Associates
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600 per day
Contract Data Engineers - Snowflake/AWS/Python/Airflow Location: London (Hybrid - 2 days per week onsite) Duration: 6 months Day Rate: £550 - £600 (Outside IR35) A highly reputable Capital Markets firm is seeking 2 x Contract Data Engineers to join their data team on a 6-month engagement. … architecture, and enabling advanced analytics and reporting capabilities. Key Skills & Experience: Strong experience with Snowflake data warehousing Solid AWS cloud engineering experience Proficient in Python for data engineering workflows Skilled in building and maintaining Airflow DAGs If this could be of interest, please get in touch with Alex Lang ...

VMware Specialist Engineer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £660 per day
customise VCF deployments to maximise platform features. Support upgrade activity, including migrations to VCF 9. Automation & Tooling Contribute to automation initiatives using: PowerShell Python JavaScript Support the development of automation artefacts that enhance platform performance and operational efficiency. Specialist Product Expertise Provide advanced technical capability in one or more … Desirable Preparing for VCF 9 release certification. Additional VMware specialisms, e.g.: vRealize Automation (Aria Automation) vRealize Operations (Aria Operations) Practical automation skills using PowerShell, Python or JavaScript. Experience working on large scale cloud or infrastructure transformation projects. ...