25 of 25 Contract Python Jobs in the City of London

Cribl Data Analytics Engineer

Hiring Organisation
International Military Ministries
Location
City of London, London, United Kingdom
Employment Type
Contract
experience. Understanding of Windows and Linux environments. Networking fundamentals including TCP/IP, DNS, SSL/TLS, and load balancing. Automation & Scripting Python PowerShell Bash/Shell scripting API integration and automation Desirable Experience Financial Services or Investment Banking experience. Large-scale observability or cyber transformation programmes. Experience with OpenTelemetry. ...

Senior Data Architect

Hiring Organisation
Morson Edge
Location
City of London, Euston, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £750/day
lake technologies, ideally Databricks Strong integration and interface management experience Experience operating within enterprise-scale analytics environments Technical Skills Advanced SQL/T-SQL Python for data engineering, automation, and transformation DAX for Power BI semantic modelling PySpark/Spark (highly desirable) Microsoft Azure ecosystem knowledge Our client is looking ...

BI Engineer / AWS Engineer - AI / ML

Hiring Organisation
Access Computer Consulting
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£430 - £530/day
concepts or tools. You must have strong hands-on experience in: AWS Data Engineering stack (e.g. Glue, S3, Lambda, Redshift, Athena) SQL (advanced level) Python (for data processing and pipeline development) Infrastructure/tooling exposure (e.g. Terraform, APIs, CI/CD beneficial) Experience working in Business Intelligence/analytics environments ...

Performance Analyst

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£465 - £466/day
Skills: Advanced PowerBI Visualisation or equivalent (2 years) Database or platform experience in tools such as Databricks or equivalent (2 years) Applied experience in Python & SQL (2 years) Optimising costs on exceedingly large queries + cluster management Soft Skills: Independent Self Starter, managing your own work and workstreams Strong stakeholder ...

Lead Full Stack Engineer

Hiring Organisation
TXP
Location
Westminster, London, City of Westminster, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £700/day
such as Claude Code, Codex, or equivalent, with a willingness to drive substantial refactors and migrations through them rather than by hand Desireable Experience Python development for tooling, automation, and pipeline work Experience leading large legacy-to-cloud migrations, particularly off on-prem Windows estates Experience designing service templates ...

Principal Technical Lead

Hiring Organisation
RSSB
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Solid understanding of event-driven architectures. Hands-on experience with PostgreSQL or comparable relational databases. Experience with API and application security. Practical knowledge of Python, including frameworks such as FastAPI. Practical knowledge of the Java stack. Proven experience with deploying and managing Azure cloud services. Experience deploying and operating containerised ...

Contract Data Architect GCP

Hiring Organisation
Crosstide
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Very competitive day rate
years' hands-on experience with Google Cloud Platform (GCP) Proven experience designing and building production-grade data platforms using: BigQuery Dataflow Pub/Sub Python APIs and containerised services Strong data architecture experience, including conceptual, logical and physical data modelling Experience establishing governance frameworks, metadata management, data quality standards ...

Lead AI Red Teaming & QA Engineer

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600 per day
Security & Fundamentals: Solid understanding of Foundation Models, tool use (function calling), OWASP LLM Top 10 , and NIST AI RMF . Automation Stack: Strong Python development skills, experience with AI eval tools (Garak, Pyrit, Ragas), and building complex CI/CD test pipelines. Randstad Technologies is acting as an Employment Business ...

Lead AI Enabled Software/DevOps Engineer

Hiring Organisation
Guidant Global
Location
London, City of London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £850/day
microservice-based systems - Proven ability to modernise or integrate legacy applications into modern software and platform architectures - Solid development experience in TypeScript and Python - Experience working across software delivery, infrastructure, CI/CD, and operational environments - Confidence providing technical leadership and architectural direction without relying on formal authority - Ability ...

Data Scientist

Hiring Organisation
Pontoon
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
skills, with a scientific mindset that drives business impact. Proven ability to translate complex business problems into clear data science solutions. Extensive experience using Python for model development and working with large-scale data in distributed computing environments. Knowledge of strong coding practices, including version control and testing methodologies. ...

Zscaler Architect

Hiring Organisation
Networking People (UK) Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£575 - £600 per day + Deemed Inside IR35 via umbrella
/transformation programs Knowledge of DevOps and automation practices (CI/CD pipelines, GitHub Actions) Hands-on or working knowledge of Terraform or scripting (Python, PowerShell, etc.) Strong understanding of network security, identity, and access controls You will be required to go through background checks before commencing contract. Networking People ...

Murex Integration Consultant - Remote

Hiring Organisation
Access Computer Consulting
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £420/day
such as MSL (Murex Scripting Language), XMLF (post-trade processing), MxML & Data Query Language (DQL). Expertise in SQL and Unix and Shell/Python scripting for automation is essential. You will have worked with global banks or capital markets clients and have exposure to multiple financial instruments and asset ...

Data Scientist

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500 per day
Successful candidate should have the following essential skills Strong experience with Machine Learning and LLMs (such as GPT or BERT). Proficient in Python and standard ML libraries. Skilled at crafting and testing prompts to get the best out of AI models. Able to clean, process, and manage large datasets ...

Senior Network Architect - Cisco SDA, DNAC, ISE

Hiring Organisation
Hays
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£550 per day (Inside IR35)
HLDs and LLDs, with the ability to translate business and technical requirements into scalable network designs Working knowledge of network automation and programmability, like Python, REST APIs, Ansible, and Cisco DNAC APIs Confident engaging with stakeholders at all levels Nice to Have: Available immediately CCIE Enterprise Infrastructure Certification Hays Specialist ...

Senior Back End Developer (Python/Azure)

Hiring Organisation
TXP
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
Senior Backend Developer (Python/Azure) 550 per day INSIDE IR35 6 months UK-based - once a week in London Role Hands-on backend developer building and integrating Python-based services within a secure, enterprise environment. Focus on API development, system integration, and reliable delivery. Key Responsibilities Build backend services … using Python (FastAPI) Develop APIs and integrate across disconnected systems Deploy solutions via Azure Function Apps Implement CI/CD pipelines (GitHub) Write and optimise SQL queries Contribute to architecture and secure design Clarify requirements, identify gaps, and shape solutions Support delivery and manage client expectations C# and .Net Skills ...

GIS Engineer

Hiring Organisation
Morson Edge
Location
City of London, London, United Kingdom
Employment Type
Contract
work in a team and in a client office environment. • Good written, presentational, and customer-facing skills regarding GIS and Engineering • Desirable • Proficiency with python • Experience with ESRI enterprise server deployment ...

Senior AI Engineer

Hiring Organisation
IO Associates
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 700 Daily
Scaling: Configure K8s workloads for high availability, managing resource limits, GPU provisioning, and autoscaling for heavy LLM inference workloads. Secure Engineering: Build robust, clean Python codebases that comply with strict data security and air-gapped environment protocols within containerized environments. MLOps & LLMOps: Establish monitoring, evaluation, and CI/CD pipelines … GenAI Orchestration: Deep, hands-on experience using LangChain and LangGraph to build complex, stateful, and cyclic agent architectures. Core Tech Stack: Strong proficiency in Python, framework integrations (LlamaIndex, Hugging Face), and vector databases (eg, Pinecone, Qdrant, Milvus, Chroma). Software Fundamentals: Background in solid software engineering practices (Git, testing, design ...

AI Cloud Engineer

Hiring Organisation
Deerfoot Recruitment Solutions
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£630 - £640 per day
workflows, Retrieval-Augmented Generation (RAG), and vectorisation patterns, rather than purely self-taught or personal interest projects. Software Engineering & Tech Stack: High proficiency in Python and PowerShell for building automation frameworks, REST APIs, and identity flows. Production exposure to the OpenAI SDK, GPT models, and Palantir Foundry is highly desirable. … roles or used these technologies/skills, this role could be a great fit: Cloud Engineer, AI Engineer, Azure Architect, Platform Engineer, DevOps Engineer, Python Developer, Azure OpenAI, Bicep, Terraform, Entra ID, Generative AI Integration, and FinTech Cloud Specialist. Deerfoot Recruitment Solutions Ltd is a leading independent tech recruitment consultancy ...

Senior Backend Developer

Hiring Organisation
Rullion Managed Services
Location
City of London, London, United Kingdom
Employment Type
Contract
Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels who are passionate about crafting exceptional products. Initially it will be a six-month contract but there is potential for it to be extended. The role … CV. Accountabilities: Playing a pivotal role in the backend engineering team, you will help to build full-stack cloud apps. You'll be using Python and AWS Cloud services on the backend. Adopt a Server-less first approach to application design, collaborating within an agile team alongside other backend engineers ...

Technical Lead

Hiring Organisation
Invitise Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Private credit, private markets, or capital markets - Shipping production software with 3 to 5 of those in a tech lead or staff engineer role - Python and TypeScript/Node, with solid React/Next.js and NestJS/FastAPI experience - PostgreSQL, including schema design, query performance, ETL/ELT, and analytical … bonus. Interested? Please apply below. Tech Lead, Technical Lead, Staff Engineer, Principal Engineer, Private Credit, Private Markets, Capital Markets, AI Platform, Analytics Platform, Python, TypeScript, Node.js, React, Next.js, NestJS, FastAPI, PostgreSQL, pgvector, LangChain, LangGraph, LiteLLM, AWS, LLM, Fintech, Greenfield, Remote, Hybrid/Remote, Contract ...

Lead Python / Django Developer - Central Government

Hiring Organisation
Access Computer Consulting
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £750/day
recruiting for a number of Lead Python/Django Developers to be based 2 days in either London, Manchester, Birmingham, Cardiff or the North East. The role falls inside IR35 so you will be required to work through an umbrella company for the duration of the contract. Candidates must have … within multidisciplinary teams, and ownership of both development and live service performance. You must have worked in a lead role. You must have strong Python and Django experience. Proven system design capability (end-to-end) and experience of working in agile, multidisciplinary teams. System design and architecture capability is essential ...

Data Engineer Lead Role - Hybrid - Banking

Hiring Organisation
GCS
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700/day Inside IR35
Data Engineering function, shaping architectural direction, ensuring engineering excellence, and partnering with Technology, Architecture, and Business teams across the organisation. Tech Stack SQL Oracle Python ETL Background: The bank is migrating from an on-premise Oracle estate to a modern data platform built on cloud and Databricks. This role leads … architecture and compliance standards. Core Responsibilities Databricks/Modern Data Platform Engineering Lead the design and development of Data Marts using Databricks (SQL/Python). Follow engineering best practices including version control, CI/CD, orchestration, and environment management. Ensure governance, performance optimisation. Legacy Oracle Migration Leadership Lead ...

AI Technical Architect Active SC Clearance

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £550 per day + Negotiable
tuning generative models. This isn't just a 'high-level' role-we need someone who can design the blueprint and then dive into the Python/PySpark code to ensure the foundation is rock solid. Key Responsibilities: Architect & Design: Lead the implementation of on-premises, cloud, and hybrid AI solutions. … Developer Associate) certification. AI Specialization: Proven experience with Prompt Engineering, Azure OpenAI, Document Intelligence (Form Recognizer), and Cognitive Search. Data Engineering: Expert proficiency in Python and PySpark for large-scale data processing. Operations: Familiarity with MLOps or LLMOps frameworks to support production-grade AI. Seniority: 15+ years of total ...

AI Technical Architect

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£500 - £600 per day
technically steer engineering teams, manage senior stakeholder relationships, and deliver production-ready Generative AI capabilities. The ideal candidate must be heavily hands-on with Python and Azure , possessing a proven track record of designing and deploying Retrieval-Augmented Generation (RAG) patterns. Key Responsibilities Architect & Govern: Design and implement robust … systems utilising Prompt Engineering, Vector Databases, Azure OpenAI, and Cognitive Search. Data Pipelines: Oversee large-scale data processing and AI data engineering pipelines using Python and PySpark. Leadership & Stakeholder Management: Guide and mentor engineering teams while confidently managing client relationships to secure consensus on complex technical architectures. Essential Skills Clearance ...

Senior Machine Learning Engineer - GenAI, LLM, RAG

Hiring Organisation
Puritas Group
Location
City of London, London, United Kingdom
Employment Type
Contract
deploy, and monitor GenAI applications that integrate LLMs as part of a wider system. Youll be working on: Building production-grade GenAI applications using Python Developing LLM-powered systems with LangChain, LangSmith, and modern Python libraries Designing and implementing RAG pipelines, vector stores, and retrieval logic Building agentic workflows, tool … full lifecycle: data prep modelling evaluation deployment observability Were looking for people who have: Delivered real GenAI applications into production, not just PoCs Strong Python engineering skills Experience with LangChain, LangSmith, LlamaIndex, or similar frameworks Deep understanding of LLM behaviour, prompting, evaluation, and optimisation Experience building monitoring, logging, and guardrail ...