1 to 25 of 27 Contract Python Jobs in the City of London

Senior Test Engineer (SC Cleared)

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day
solutions across the full lifecycle Hands-on expertise with Microsoft-based environments (e.g. Azure testing tools, AI platforms) Proficiency in one or more: Python, Java, JavaScript, SQL, or R Proven experience in: AI/Generative AI testing RAG (Retrieval-Augmented Generation) solution validation (e.g. RAGAS framework) CI/CD, DevOps ...

Data Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £400/day
maintain high engineering standards. As a Data Engineer you will have the following key skills Cloud: GCP Warehousing: BigQuery/Snowflake Orchestration: Airflow Backend: Python, SQL, Shell Languages: Scala/Java DevOps: Terraform, Docker, Kubernetes Observability: Monte Carlo BI: Looker AI/ML: MLOps London | 12 Months Contract ...

DevOps Engineer

Hiring Organisation
Hays Technology
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £750/day £650-£750 Umbrella PAYE
Inside IR35 via Umbrella Skills and Experience Required 10+ years of experience in a similar DevOps engineering role Strong scripting and automation skills using Python Hands-on experience with AWS cloud services, including EKS (Kubernetes), is a must. Proven expertise in cloud deployments, architecture design, troubleshooting, and security best practices. ...

Senior Data Engineer & Technical Delivery Lead (Python / Databricks)

Hiring Organisation
Venn Group
Location
City of London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
Competitive salary
Senior Data Engineer & Technical Delivery Lead (Python/Databricks) Location: London (Hybrid – 2-3 days onsite) Contract: Initial 6 months We're currently supporting a major Investment Bank that's expanding its Data Engineering function and is looking to hire multiple contractors across Senior Data Engineer and Technical Delivery Lead … speak with you. You'll be joining a large-scale cloud data transformation programme, helping design, build and optimise enterprise data platforms using Python, Databricks and Spark within a modern Lakehouse environment. Key Responsibilities Design, develop and maintain scalable data pipelines using Python and Databricks. Build, optimise and support enterprise ...

Blockchain Architect/lead

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £500/day Negotiable
with Ethereum, Hyperledger, or Corda , alongside smart contract development languages ( Solidity, Chaincode, DAML, or Rust ). Core Development: Strong background in languages like Java, Python, Go, or Rust . Cloud & DevOps: Solid understanding of modern cloud platforms ( AWS, Azure, or GCP ) and automated CI/CD deployment pipelines. Industry Frameworks ...

AI Agent Enablement Lead

Hiring Organisation
Keystream Group Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700 per day
related technologies. Experience with OpenAI GPTs, AI assistants, agent frameworks or similar platforms. Exposure to cloud technologies, APIs and solution integrations. Knowledge of Python, scripting or other programming languages. Understanding of prompt engineering, agent orchestration, RAG or AI evaluation techniques. Experience supporting AI capability building, training or adoption initiatives. Knowledge ...

Data Validation Specialist

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £800/day Inside IR35 (Negotiable rate)
Good understanding of financial instruments and market structures, including areas such as fixed income, rates, swaps, bonds or related asset classes. Commercial experience using Python and SQL for data analysis, validation and automation. Experience working with large datasets within financial services. Ability to work closely with technical and business stakeholders ...

Blockchain Architect

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
hands-on experience with blockchain platforms (Ethereum, Hyperledger, Corda, or similar). Proficiency in smart contract development and modern programming languages (e.g. Solidity, Java, Python, Go, Rust). Experience designing and delivering distributed systems and API-driven architectures. Knowledge of cloud platforms (Azure, AWS, GCP) and DevOps practices. Strong understanding ...

Senior IAM & PAM Consultant

Hiring Organisation
Vanquish Technologies Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Just-in-Time (JIT) access. Integrate PAM with Microsoft Entra ID, Active Directory, LDAP, cloud platforms, and enterprise applications. Develop automation using PowerShell, Python, and REST APIs. Troubleshoot authentication, provisioning, and privileged access issues. Support platform upgrades, migrations, and disaster recovery testing. Produce technical documentation and operational runbooks. Functional/ ...

Infrastructure Engineering Specialist - DV Cleared

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £650/day
Virtualisation (ESX, VCentre, vCF) Windows/Linux/Mac Server management Containers/Kubernetes/VKS Networking and Storage Management Scripting languages (PowerShell, Bash, Python, Java) Automated system build tools (Ansible, Puppet, Terraform, etc.) Configuration management and CI workflows (git, subversion) Business Acumen: Contribute to the formulation of engineering strategy ...

Front Office Quantitative Developer

Hiring Organisation
Lorien Resourcing Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
with traders, quants and technology teams on new initiatives. Provide technical leadership and mentor junior team members. Required Experience Strong Java development experience. Advanced Python skills. Electronic trading, algorithmic trading or front-office trading technology experience. Background within Capital Markets, Investment Banking or Global Markets. Experience developing monitoring and performance ...

Lead Software Engineer (Python)

Hiring Organisation
Invitise Ltd
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 750 Daily
We're looking for a Lead Software Engineer for a public sector organisation based in London, Manchester, Birmingham, Cardiff or the North East (hybrid) on an initial 12-month contract, paying up to £750 per ...

Python Data Engineer

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £900/day Inside IR35 (Negotiable rate)
Python Data Engineer 3-6 Months initial contract London/Hybrid - 1-2 days per week on site £Negotiable rate (Inside IR35) We are seeking an experienced Python Data Engineer to join a high-performing data engineering team, building and enhancing centralised data services used by quantitative researchers, traders … work closely with technical stakeholders to improve data quality, build reusable data capabilities and support business-critical analytics. Key Responsibilities Design, develop and enhance Python-based data services used by front-office and quantitative teams. Build scalable data pipelines and services to ingest, transform and deliver high-quality datasets. Develop ...

Senior Machine Learning Engineer

Hiring Organisation
Guidant Global
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £900 per day
operating at senior practitioner level as a Machine Learning Engineer, AI Engineer or equivalent Strong grounding in applied mathematics, statistics and scientific practice Excellent Python skills for building, evaluating and deploying machine learning models Experience evaluating models through quantitative evidence and structured experimentation Strong software engineering practices, producing readable, testable ...

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 ...

Lead Data Engineer

Hiring Organisation
Guidant Global
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £800/day
successful in this role, you will bring: - Significant hands-on experience as a senior or lead data engineer on complex, real-world systems - Strong Python and Spark skills, with evidence of building and maintaining production data pipelines - Deep understanding of the data engineering lifecycle: ingestion, transformation, storage and serving - Experience ...

Data Engineer

Hiring Organisation
Gold Group
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 55,000 - 60,000 Annual
ownership of data pipelines and automation of data workflows. Finally have 5 years Strong programming experience at an advanced level in Python, PySpark, and SQL scripting. Benefits Salary: 55,000 - 60,000 per annum 25 day's holiday Company car/Allowance Private medical insurance Variable annual bonus based … Plan Career Progression What the role entails: Some of the main duties of the Data Engineer will include: Develop high-performance data pipelines using Python (Pandas) or Spark within Palantir Foundry, ensuring seamless data transformation and integration to support analytics, reporting, and machine learning use cases across the enterprise. Design ...

GIS Engineer - Inside IR35 - Insurance

Hiring Organisation
SRG
Location
City of London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
ingesting, transforming and validating large geospatial datasets. Applying advanced GIS expertise across coordinate systems, spatial analysis, topology, cartography and data quality management. Developing robust Python-based solutions using modern software engineering practices. Contributing to web application delivery using TypeScript and modern frameworks such as Angular or React. Leveraging AI-assisted … managers, architects and technical stakeholders in an Agile delivery environment. Essential Skills & Experience Strong commercial experience in GIS Engineering or Geospatial Development roles. Excellent Python development skills, ideally using libraries such as GeoPandas, Shapely, Fiona, Rasterio, GDAL/OGR and PyProj. Experience working with spatial databases such as PostGIS. Strong ...

Forward Deployment Engineer - Inside IR35

Hiring Organisation
SRG
Location
City of London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
assisted development tools such as GitHub Copilot to accelerate delivery and experimentation. Integrate solutions with existing platforms built on C#/.NET, Angular and Python . What We're Looking For Strong software engineering experience with C#/.NET Core, Angular/TypeScript and Python . Practical experience working with ...

Senior Backend Developer

Hiring Organisation
Rullion Limited
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Charterhouse St, London, EC1M 6PB 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 three-month contract but there is potential … 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 Software Engineer (Python)

Hiring Organisation
Invitise Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £750 per day
development across multiple workstreams, and take ownership of both new delivery and live service performance. You will need proven experience working with the following: - Python and Django development to a senior or lead level - End-to-end system design and architecture - Building secure, test-driven, high-quality code - Agile delivery … need to hold or be eligible to obtain SC clearance for this role. Interested? Please apply below. Lead Software Engineer, Senior Software Engineer, Python Developer, Django Developer, Backend Engineer, Full Stack Engineer, Software Architect, GDS, Agile, System Design, Government, Public Sector, Defence, Export Control, London, Manchester, Birmingham, Cardiff, North East ...

Data Scientist

Hiring Organisation
Guidant Global
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £850/day
addressing real business and operational problems - Apply statistical, mathematical and scientific approaches to explore data, test hypotheses and support decision-making - Write and maintain Python code to support data preparation, analysis and modelling - Work with production data pipelines, contributing to the data engineering tasks needed to support analytics and models … this role, you will bring: - Around 2-3 years' experience working as a Data Scientist or in a closely related analytical role - Strong Python skills, with experience contributing to shared codebases - A solid grounding in statistics, applied mathematics and scientific analysis techniques - Experience working with real-world datasets, including cleaning ...

Technical Vulnerability Management Engineer

Hiring Organisation
PCR Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450 per day + Inside IR35
Identify affected assets using internal tooling and vulnerability data sources. Work closely with engineering and system owners to prioritise and coordinate remediation activities. Write Python, Bash or similar scripts to automate repetitive analysis and operational tasks. Produce clear technical documentation , vulnerability assessments and remediation guidance. Support ongoing improvements to vulnerability … security. Good understanding of how vulnerabilities are discovered, exploited and remediated. Strong Linux knowledge and confidence working from the command line. Scripting experience using Python, Bash or similar. Familiarity with CVE, CVSS, NVD and common vulnerability management practices. A methodical approach to analysing technical risk and prioritising remediation. Strong communication ...

Technical Vulnerability Management Engineer

Hiring Organisation
PCR Digital
Location
City of London, London, Lime Street, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day Inside IR35
Identify affected assets using internal tooling and vulnerability data sources. Work closely with engineering and system owners to prioritise and coordinate remediation activities. Write Python, Bash or similar scripts to automate repetitive analysis and operational tasks. Produce clear technical documentation , vulnerability assessments and remediation guidance. Support ongoing improvements to vulnerability … security. Good understanding of how vulnerabilities are discovered, exploited and remediated. Strong Linux knowledge and confidence working from the command line. Scripting experience using Python, Bash or similar. Familiarity with CVE, CVSS, NVD and common vulnerability management practices. A methodical approach to analysing technical risk and prioritising remediation. Strong communication ...