23 of 23 Contract Python Jobs in the City of London

Principal Data Engineer

Hiring Organisation
Morson Edge
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - 800 per day
UDFs/Stored Procedures, Time Travel and Cloning. Snowpark and end-to-end pipeline development. Experience with PySpark, Polars or Dask is also valuable. Python, including testing, build tooling and engineering best practices. SQL, including Snowflake-optimised SQL. dbt, including Jinja templating, or equivalent transformation frameworks. CI/CD, ideally ...

Data Migration Specialist

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £545/day
advanced analytical queries, and reconciliation). Strong Azure Cloud Stack Experience: Azure Data Factory (ADF) Azure SQL DB Azure Data Lake/Lakehouse architectures Python for data manipulation & automation Proven experience across all migration phases: Strategy, Discovery, Cleansing, Mapping, Execution, and Post-migration Validation. Hands-on proficiency with Azure DevOps ...

Contract - Senior CXE Engineer - Amazon Connect

Hiring Organisation
INNOVATIVE TECH PEOPLE LTD
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Amazon Lex plus LLM-based development (Amazon Bedrock, Q in Connect, or equivalent), including prompt engineering and tool calling Strong TypeScript/Node.js and Python; production React experience; solid AWS serverless engineering (Lambda, EventBridge, API Gateway, DynamoDB, Step Functions, Kinesis) Infrastructure as code proficiency with AWS CDK or Terraform, including ...

Senior Data Scientist

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day
teams. Essential Requirements 5+ Years Experience: Hands-on Data Science & Analytics within B2C, FinTech, Consumer Tech, or E-Commerce . Core Stack: Advanced SQL & Python (or R) to maintain existing codebases and pipelines. Production ML: Proven expertise in retraining, monitoring, and debugging live ML models. BAU Operator: High autonomy ...

Platform & Data Engineer - Financial Services Contract - TWE47236

Hiring Organisation
Twenty Recruitment Group
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
existing platforms. Key Skills 5+ years of commercial software engineering experience. Strong backend development experience in Java + Spring environments. Experience working with Python and/or the Microsoft technology ecosystem. Strong understanding of distributed systems and scalable application design. Experience designing modular applications, services or microservice-based architectures. Strong ...

Contract Forward Deployed Engineer

Hiring Organisation
Fruition Group
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
hands-on with customers, owning projects and helping shape the AI landscape as the practice grows. Key Skills/Tech Experience Required: GCP Python Vertex AI/Gemini LangChain/LangGraph RAG/Vertex AI RAG Engine Multi-Agent Architectures MCP/A2A Terraform Kubernetes UK based for tax purposes ...

Senior DevOps Engineer | Linux, Infrastructure & Automation

Hiring Organisation
Alexander Ash Consulting Limited
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £475 to £525 per day
Engineering roles. Deep expertise in Red Hat Enterprise Linux (RHEL) administration and strong Unix/Linux troubleshooting and support experience. Strong Bash scripting and Python automation skills, with experience automating infrastructure and operational processes. Strong understanding of enterprise infrastructure, including on-premises environments, server lifecycle management, patching and upgrades. Strong ...

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 ...

Data Engineer - Databricks - TWE46775

Hiring Organisation
Twenty Recruitment Group
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £700 per day
Lead Data Engineer Databricks, Azure, Python, SQL - 12 Month Contract - Outside IR35 - Up to £700 p/d (dependent on experience) A well-established private equity firm with close to two decades' track record and preparing to launch its largest flagship fund to date is hiring a Data Engineer ...

Lead Data Engineer

Hiring Organisation
Guidant Global
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £800 per 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 ...

Backend Developer (Python)

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650/day Inside IR35
Backend Developer (Python) 6 Months London (Hybrid) £(Apply online only) per day (Inside IR35) ***Please note - The selected candidate MUST HAVE strong Banking Experience to be considered for this position*** My client, a tier 1 bank, looking for an experienced Backend Developer to join a high-performing engineering team within … global financial services environment. The role focuses on building, modernising and supporting highly distributed, business-critical backend systems. Key Requirements Strong Python backend development Advanced SQL/database development Microservices and event-driven architecture Kafka and/or Tibco TDD and automated testing Kubernetes and/or OpenShift Prometheus, Grafana ...

Data Engineer - Databricks - TWE46775

Hiring Organisation
Twenty Recruitment Group
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 700 Daily
Lead Data Engineer Databricks, Azure, Python, SQL - 12 Month Contract - Outside IR35 - Up to £700 p/d (dependent on experience) A well-established private equity firm with close to two decades' track record and preparing to launch its largest flagship fund to date is hiring a Data Engineer ...

DevOps Engineer - ELK

Hiring Organisation
ECS
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£250 - £400 per day
3+ years working with Elasticsearch, Logstash & Kibana (ELK Stack) Experience with Ansible Knowledge of Kafka Experience working with Kubernetes Exposure to ArgoCD Scripting experience (Python, Bash, Shell) Experience with GitLab Infrequent travel to London ECS Recruitment Group Ltd is acting as an Employment Business in relation to this vacancy. ...

Network Security Architect - FortiGate, Palo Alto, Zero Trust

Hiring Organisation
Hays
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £850.0 per day + Up to £850 per day InsideIR35
relevant certifications (CCNA/CCSP or Equivalent) Exposure to SASE and Zero-Trust network transformations with identity-driven segmentation models. Automation experience using Python, Ansible, or infrastructure-as-code approaches for network security tasks. If you're interested in this role, click 'apply now' to forward an up-to-date ...

Python Software Engineer

Hiring Organisation
VIQU IT
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 500 Daily
Python/Applied AI Engineer Contract Duration: 3 months Location: Remote IR35: Inside IR35 VIQU are in need of a Python engineer to support a customer with building an AI Chatbot using Python and LlamaIndex. Key Technologies: Python 3.12+ LlamaIndex/RAG Azure AI Foundry/OpenAI Typesense/Vector … Search PostgreSQL/Pydantic Plotly Dash Key Duties: Develop and enhance production-grade Python AI applications and chatbot capabilities. Build and improve RAG pipelines, retrieval and document search. Extend LlamaIndex agents, workflows, retrievers and tool-calling capabilities. Integrate LLMs, APIs, databases and structured organisational data. Improve AI answer quality, citations ...

Senior AWS DevOps Engineer TypeScript, IaC, CDK, Event-Driven, OIDC

Hiring Organisation
Smart Sourcer Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £525 to £550 per day
contributor in designing, delivering, and supporting the cloud foundations that power our products and internal platforms, with a strong focus on Python and TypeScript based AWS serverless engineering , event-driven architectures , and modern identity patterns . Youll be expected to work with seniority from day one, owning problems … driving solutions proactively. Designing, building, and maintaining secure, scalable, and resilient AWS serverless infrastructure Developing automation, tooling, and workflow orchestration using Python and TypeScript Implementing complex workflows using AWS Step Functions, Lambda, EventBridge, DynamoDB Streams, and API Gateway Building and maintaining IaC using AWS CDK , Terraform , and Pulumi Implementing modern ...

Senior Backend Developer

Hiring Organisation
Rullion - Eon
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 ...

Senior Backend Developer

Hiring Organisation
Rullion Managed Services
Location
City of London, London, Farringdon, United Kingdom
Employment Type
Contract
week onsite in London. Accountabilities Play a pivotal role within the backend engineering team, helping to build cloud-based applications. Develop backend solutions using Python and AWS Cloud services. Adopt a serverless-first approach to application design. Collaborate within an Agile team alongside other backend engineers and product designers. Strategise … drive continuous improvement across development practices and technical solutions. Knowledge and Skills Demonstrable experience working as a Senior Backend Developer. Strong commercial experience with Python as a primary development language. Hands-on experience developing RESTful APIs and/or GraphQL. Experience with AWS Cloud services. Experience with serverless architecture ...

Senior Software Engineer Contract

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
that align with business requirements, enterprise architecture standards and modern engineering practices. Key responsibilities will include: Designing, developing, testing and maintaining software solutions using Python and AWS . Supporting discovery, technical analysis and backlog refinement. Collaborating with architects, engineers and product teams to shape technical solutions. Participating in peer code … integration of cloud and platform services. About You We are looking for a Senior Software Engineer with: Strong commercial experience developing software with Python . Strong experience working with AWS and cloud-based technologies. Experience working within Agile engineering environments. Good understanding of CI/CD, testing and software engineering ...

DV Cleared Software Engineer

Hiring Organisation
IO Associates
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£675 - 725 per day
Security Clearance: Active DV Clearance You will play a huge part in influencing the engineering standards and technical delivery of a modern platform using Python, React, TypeScript, Kubernetes, and cloud-native technologies. Essential Skills & Experience Experience working within Defence or National Security programmes Previous experience leading software development teams. Strong … development expertise in: Python React TypeScript FastAPI REST APIs React TypeScript Strong understanding of PostgreSQL & MongoDB Docker & Kubernetes Previous experience working within MOD deployment environments. - Active DV Security Clearance. ...

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 ...

Applied AI Scientist

Hiring Organisation
Guidant Global
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £800 per day
customers to understand real-world needs and translate them into well-defined AI problems - Apply modern AI and machine learning techniques using strong Python engineering skills - Build solutions that can operate in secure, constrained or offline environments without reliance on external services - Consider performance, scalability and resilience when deploying … successful in this role, you will bring: - Strong, demonstrable experience as an Applied AI Scientist, Data Scientist or similar hands-on technical role - Excellent Python skills, with the ability to write clean, efficient, production-quality code - Experience developing and deploying AI solutions outside of fully managed cloud services - Solid understanding ...