101 to 125 of 148 Python Jobs in the City of London

Exposure / Quantitative Data Analyst

Hiring Organisation
Insight Select
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 80,000 - 90,000 Annual
Exposure Data Analyst/Quantitative Exposure Analyst London 80,000 - 90,000 + Benefits Are you a data-driven insurance professional with strong Python and SQL skills looking to work at the forefront of exposure analytics, catastrophe risk, and process automation? I'm working with a highly regarded London Market … using platforms such as Power BI and Databricks. Work with research and underwriting teams to develop proprietary risk scoring datasets and portfolio insights. Develop Python and SQL solutions that improve catastrophe pricing and exposure management processes. Translate catastrophe model outputs into business-critical reporting used for capital modelling and portfolio ...

IT Data & Platform Engineer

Hiring Organisation
Fawkes & Reece London
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum
Responsibilities Design, develop and maintain modern data platform solutions. Build, optimise and manage data ingestion pipelines. Develop data transformation and modelling solutions using Python, PySpark and SQL. Support the implementation of data lakes, data warehouses and modern analytics architectures. Ensure high standards of data quality, security and performance. Work closely … stay up to date with emerging technologies. Requirements Previous experience working as a Data Engineer or within a similar role. Strong experience with Python or PySpark . Experience with cloud data platforms such as Microsoft Fabric, Databricks or Snowflake . Knowledge of SQL and data transformation techniques. Experience building ...

Senior Java Developer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
services from existing infrastructure to new hardware, ensuring minimal disruption to live trading operations. Must haves - DevOps, CI/CD, Docker, Kubernetes, Java/Python and Automation Your Key Responsibilities Document the current D2C service landscape, identifying all services and their existing host dependencies Collaborate with the infrastructure team … APIs, with foundational knowledge of SQL and relational database design Infrastructure and DevOps - Hands-on experience with Linux-based server environments, scripting (Bash/Python) and provisioning/configuration tooling (e.g. Ansible or equivalent). Familiarity with CI/CD pipelines (e.g. TeamCity or equivalent) and build tools such ...

AI Deployment Engineer

Hiring Organisation
Emponics
Location
City of London, London, United Kingdom
Employment Type
Permanent
agent infrastructure Manage data models, schemas, and storage supporting current and future AI deployments Troubleshoot integration failures, data inconsistencies, and production issues Key Skills Python & SQL (production-grade pipeline development) REST APIs, webhooks, OAuth, event-driven architecture Orchestration tools: Airflow, Prefect, or Dagster Cloud platforms: AWS, GCP, or Azure Docker … UiPath, Power Automate). Experience 35 years in software or data engineering with strong exposure to system integrations, data pipelines, and production infrastructure. Strong Python and SQL skills; experienced building robust, production-grade data pipelines from scratch. Deep familiarity with integration patterns: REST APIs, webhooks, OAuth, and event-driven architectures. ...

Graduate / Junior Developer, Python, Linux, C#, Java - London

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £40,000 per annum
Graduate/Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate/Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate/Junior Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over the world to attract, engage … delivering inbound experiences that are relevant, helpful, and personalized. Having recently launched in the UK, they looking to hire Graduate/Junior Developer (Python, Linux, C#, Java)) to become a part of their ever-growing family. They believe that individual developers are in the best position to make decisions about ...

Senior Data Engineer

Hiring Organisation
CMC Markets UK Plc
Location
City of London, London, United Kingdom
Employment Type
Permanent
research, analytics and real-time applications. Key Responsibilities Build scalable ETL/ELT pipelines for batch and streaming market data. Develop production-grade Python and SQL solutions. Ingest, normalise and validate market data, including trades, ticks, Level 1 & 2 quotes, order books, reference data and corporate actions. Implement automated data … storage using Parquet, Arrow and modern data lake technologies. Partner with quantitative researchers, traders and engineering teams to deliver trusted datasets. Essential Skills Strong Python and SQL. Experience building scalable, production data pipelines. Expertise with Parquet and modern data storage formats. Deep understanding of high-frequency market data, including tick ...

Senior Software Engineer

Hiring Organisation
Akkodis
Location
City Of London, England, United Kingdom
Position Overview: We are seeking a skilled Python Back End Developer with expertise . The ideal candidate will have a deep understanding of financial markets, strong programming skills in Python, and experience developing and maintaining back-end systems for trading application s. Key Responsibiliti es:Develop and maintain robust back ...

Contract AI Software Engineer - DV Cleared

Hiring Organisation
NSD
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£450 - £650 per day
data scientists, software engineers, and security specialists. WE NEED THE AI SOFTWARE ENGINEER TO HAVE. Active UKSV DV clearance Strong software engineering background with Python Experience building and deploying AI/machine learning applications Knowledge of LLMs, NLP, or generative AI frameworks Experience with AWS or Azure Familiarity with Docker … myself available outside of normal working hours to suit your schedule. KEY SKILLS AI Software Engineer/Machine Learning Engineer/LLM Engineer/Python/AWS/Azure/Docker/Kubernetes/Generative AI/NLP/RAG/MLOps/UKSV DV/Outside IR35/London ...

Graduate / Junior Developer, Python, JavaScript, PHP - London

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £50,000 per annum
Graduate/Junior Developer, Python, JavaScript, PHP - London (Tech stack: Graduate/Junior Developer, Python, JavaScript, PHP, Graduate/Junior Developer) In 2012 our client launched a social messaging platform that has been taking the US by storm. After an extremely successful period our client has decided to hop across … would be suitable Graduate/Junior Developer who have recently graduated from university and have a basic understanding of any of the following technologies: Python, JavaScript, PHP, React, React Native, Django, Postgres, Docker and Agile; which might have been acquired as part of your degree course or through a placement ...

Senior Software Engineer

Hiring Organisation
Method-Resourcing
Location
City of London, London, United Kingdom
Employment Type
Permanent
Senior Software Engineer (Sports betting) Up to £120,000 + Bonus + Excellent Benefits London | Python | Java | GCP | Real-Time Distributed Systems Build systems where performance really matters. If you're a Senior Software Engineer who gets excited by high-performance systems, distributed architecture and real-time data, this could … gaming/casino/gambling (or similar) industry experience at this time. You'll be involved in: Designing and building highly scalable backend services Python and/or Java as one of your core programming languages Developing cloud-native, event-driven applications Building integrations with third-party platforms and APIs ...

Part Time Business Data Assistant

Hiring Organisation
China Telecom Global
Location
City of London, London, United Kingdom
databases. Assist in cleaning up and classifying primary data to ensure accuracy and usability. Serve as a programmer in data analysis projects utilizing Python-based tools. Adjust and manipulate data to meet specific analytical needs. Integrate historical data and establish separate databases using Microsoft Access. Assist analysts in designing logical … market benchmarks and economic environment insights. Assist analysts in building models for market forecasting, including revenue and pricing predictions. Utilize programming languages such as Python and R for data analysis and model building. Perform other tasks as assigned by the line manager to support the data analysis team. Assist with ...

Software Developer

Hiring Organisation
Morgan Spencer
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£58,000 - £60,000 per annum
Location: Central London (Hybrid) Contract: Permanent | Full-time Salary: £58,000 - £60,000 The Opportunity An exciting opportunity for a Software Developer with strong Python and Django experience to join a collaborative digital team. You'll play a key role in developing and enhancing web applications, supporting system integrations … will design, build and maintain web applications and services, delivering secure, scalable and high-quality solutions. Key responsibilities include: Developing and maintaining applications using Python, Django and related technologies Writing clean, secure and testable code Supporting and enhancing existing systems and applications Gathering requirements and collaborating with stakeholders on technical ...

Data Engineer – AWS, Spark & AI

Hiring Organisation
Datatech Analytics
Location
City of London, London, United Kingdom
consumer data and explore new ideas at a pace that is often difficult to achieve within a larger organisation. You’ll bring strong Python, SQL and Spark fundamentals, along with genuine enthusiasm for how AI is transforming data engineering. You’ll already be using AI-assisted development tools such … code they produce. Key Responsibilities Design, build and optimise scalable data pipelines and ETL/ELT processes. Develop and maintain data engineering solutions using Python, SQL and Spark. Work with large and complex datasets, ensuring data quality, reliability and performance. Use AI-assisted development tools to support coding, problem solving ...

Senior Data Engineer - Immediate start

Hiring Organisation
Datatech Analytics
Location
City of London, London, United Kingdom
pipelines, maintaining trusted reporting solutions and driving improvements across the data platform. What you'll be doing Designing, building and maintaining scalable SQL and Python data pipelines. Managing and developing a business-critical SQL data warehouse. Supporting and enhancing Microsoft SQL Server, SSIS and SSRS solutions. Developing robust data models … pipeline health, resolving issues proactively. Supporting the ongoing evolution of the data platform and cloud environment. What we're looking for Strong SQL and Python development skills. Experience managing and developing SQL data warehouses. Strong experience with Microsoft SQL Server, SSIS and SSRS. Experience building production-grade ETL and data ...

API / Integration Developer (SC Cleared)

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day Inside IR35
experience across Azure and C#/.NET , alongside a proven background in developing and supporting complex integration solutions. Candidates with strong integration experience using Python or other comparable programming languages will also be considered. Key Responsibilities Design and develop bespoke integration solutions between multiple systems and platforms. Develop and maintain … integration patterns and software development principles. Strong problem-solving and troubleshooting skills. Ability to work effectively within a collaborative Agile environment. Desirable Experience with Python . REST/SOAP APIs. Microservices and cloud-native development. Azure integration services. CI/CD and DevOps practices. Experience integrating legacy and modern systems. ...

Python Developer

Hiring Organisation
Sanderson Government and Defence
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £525 per day + Inside IR35
Requirements: Strong commercial experience with Python Proven expertise developing Flask-based applications and REST APIs Experience designing, building, and maintaining scalable backend services Ability to work independently and contribute within an agile delivery team Demonstrating autonomy, problem-solving, and stakeholder engagement Desirable Skills: React TypeScript Full stack development experience Experience … integrating frontend applications with Python-based APIs 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 ...

Agentic Forward Deployed Engineer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
conceptualize, build, integrate, evaluate, deploy, and sustain - and you lead a small team to do the same. You build exclusively in Python using agent development kits, and you bring Agentic AI capabilities to life inside the client's world, with Responsible AI, evaluation and security as non-negotiables. Technology mandate … Language: Python preferable Frameworks: Agent Development Kits (ADKs) ; e.g. Google ADK, LangGraph, CrewAI, OpenAI Agents SDK, AWS Bedrock AgentCore, Microsoft Agent Framework/Semantic Kernel. Framework choice follows the engagement; the discipline is the same. Models: Multi-LLM via the kit (e.g. Claude on Bedrock, Gemini, Azure OpenAI), selected ...

Data Engineering Internship (Summer 2027)

Hiring Organisation
Castleton Commodities International
Location
City of London, London, United Kingdom
Employment Type
Temporary
data ingestion pipelines from various internal and external sources, including APIs, FTP endpoints, and cloud data providers. Develop data ingestion and transformation pipelines using Python and SQL, publishing Snowflake for downstream use in analytics and forecasting tools. Work on data architecture and data management projects for both new and existing … checks and build validation logic to identify anomalies and ensure data integrity for use by commercial trading and analytics teams. Automate data workflows using Python, SQL, and orchestration tools (e.g., Airflow or similar). Assist in transitioning legacy datasets and codebases into scalable, cloud-native workflows aligned with our modern ...

Data Scientist

Hiring Organisation
Elsevier
Location
City of London, London, United Kingdom
fine-tune, prompt, and integrate models into robust production systems, while continuously improving quality, relevance, reliability, and user value. Write clean, tested, production-quality Python and contribute reusable data science components, packages, and scalable data pipelines for preprocessing, inference, experimentation, monitoring, and continuous improvement. Support deployment, monitoring, model maintenance, drift … with frontier LLMs such as OpenAI’s GPTs, Anthropic’s Claude, and Google’s Gemini, including fine-tuning LLMs and/or SLMs. Strong Python skills and a habit of writing clean, maintainable, well-tested code. A solid grasp of machine learning fundamentals, including supervised and unsupervised learning, feature engineering ...

DevSecOps Engineer

Hiring Organisation
CBSbutler Holdings Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650 per day + Inside IR35 Hybrid working
platforms and delivery pipelines that underpin this mission-critical work, based on-site in London 4 days per week. Key tech/tools Python React MongoDB Palantir Kubernetes VMware AWS & Azure What you'll be doing Building and maintaining secure CI/CD pipelines and DevSecOps tooling across cloud … delivery lifecycle (secure-by-default build, release and runtime). Working with engineering teams to enable secure delivery of services and internal tooling (including Python/React components where needed). Supporting platform and environment work spanning VMware , AWS , and Azure . Working with data/platform teams using MongoDB ...

Data Scientist

Hiring Organisation
Russell Tobin
Location
City of London, London, United Kingdom
Data Scientist (Python, PySpark, Healthcare Analytics) Contract: Initial 2 Months (Mid-September – Mid-November) Location: Remote (UK) with 1 day per week in London (2–3 days preferred) We are seeking an experienced Data Scientist to join a high-profile digital transformation programme focused on building innovative products … build, and optimise scalable analytics and data pipelines. Develop data science solutions for healthcare-focused digital products. Build predictive models and analytical solutions using Python and PySpark. Support product discovery and translate analytical requirements into production-ready solutions. Collaborate closely with engineering, product, and design teams throughout the development lifecycle. ...

Data Engineer - Quantitative Analysis

Hiring Organisation
BettingJobs
Location
City of London, London, United Kingdom
will be responsible for ensuring they have access to reliable, well-structured and high-quality data for research, modelling and analysis. From building robust Python-based workflows to investigating complex data issues and assessing new data sources, the Data Engineer will be responsible for extracting maximum value from the data. … research, modelling and analysis Investigate data issues affecting modelling outputs, identifying root causes and working with relevant teams to resolve them Build and maintain Python-based data workflows and pipelines for ingestion, transformation and validation of modelling data Maintain and develop historical data assets, ensuring they remain accurate, accessible ...

Graduate Software Engineer

Hiring Organisation
Spectrum IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£40000 - £50000/annum
deployment process Documenting systems and processes About You Strong academic background (Computer Science or similar preferred) - Ideally from Russell Group University Experience with Python or another object-oriented language Good Linux/UNIX knowledge and interest in infrastructure Curious, proactive, and a strong problem solver Able to work both independently … part of a team Tech Stack Python, C++, Docker, Kubernetes, Kafka, LXC/LXD, Grafana, Prometheus Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy. ...

AI Engineer

Hiring Organisation
ADLIB
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Build innovative AI solutions that make an immediate difference Work with AI (CoPilot), Python and Azure. Join a rapidly growing team focused on innovation and automation. Gain exposure to large-scale enterprise AI deployments. We're looking for an AI Automation Engineer to join a growing AI and Automation function. … excellent opportunity for someone looking to accelerate their career within a supportive team environment.You'll develop AI-powered tools, workflow automations and Python services used across multiple business functions. You'll work with Azure, integrate systems through APIs and contribute to engineering best practice. The role offers plenty of variety ...

AI Security Software Engineer (GenAI & LLM Security)

Hiring Organisation
83zero Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£85000 - £90000/annum
cloud-native engineering. What We're Looking For You'll have a strong background in software engineering with experience building enterprise applications using Python and/or Go . You'll be comfortable designing secure APIs, developing scalable services, and working across the full software development lifecycle. Experience with container … backgrounds looking to move into AI Security are also encouraged to apply. Key Skills 7+ years' experience in software engineering or security engineering. Strong Python and/or Go development experience. Experience designing secure APIs and enterprise software. Knowledge of cloud-native architectures and distributed systems. Experience with Kubernetes, OpenShift ...