1 to 25 of 4,361 Python Jobs in London

platforms (Azure preferred), leveraging Databricks as the core data engineering platform Build and optimize sophisticated ETL/ELT data pipelines using PySpark, SQL, and Python, orchestrating complex data workflows through Databricks Workflows, Delta Live Tables, Azure Data Factory Implement and maintain Delta Lake storage architectures and Unity Catalog governance frameworks … architectures, data lakes, and enterprise data warehouses Expert-level proficiency in SQL for complex data transformation, optimization, and analytical workload development Advanced proficiency in Python for data engineering, pipeline automation, and integration development Deep expertise in PySpark for data processing and transformation Proven mastery of cloud platforms with strong preference ...

team of 8-10 engineers. Operating at true enterprise scale across multiple environments and subject area communities, you will bring deep expertise in Python and SQL data engineering, ETL, cloud data platforms and orchestration at scale. Working with TA&I sponsors and Technology product owners, you will define, design … oriented environment and owning the technical direction for the team's deliverables. Design, develop and implement highly scalable and efficient data pipelines using advanced Python (Pandas, web scraping and machine learning libraries), SQL (including advanced optimisation techniques) and Apache Airflow. Lead the extraction, transformation and loading (ETL) of large ...

looking for an experienced Full Stack Developer with strong expertise in Python and React.js to design, develop, and maintain scalable web applications. The ideal candidate should have hands-on experience building microservices, REST APIs, cloud-native applications, and modern frontend solutions. Key Responsibilities Design, develop, and maintain web applications using … Python and React. Build scalable RESTful APIs and backend services. Develop responsive and user-friendly frontend interfaces using React.js. Collaborate with Product Owners, Architects, DevOps, and QA teams. Optimize application performance, security, and scalability. Participate in code reviews and ensure best coding practices. Work within Agile/Scrum development environments. ...

Data Lake/Apache Iceberg, and advanced SQL for large‐scale transformations. Microservices & APIs: experience building modular, production‐grade microservices and REST APIs using Python (FastAPI, Flask, or equivalent); understanding of service design principles including versioning, fault tolerance, and observability. Cloud platforms: working knowledge of cost and usage data schemas … across Azure (Cost Management, Synapse/Fabric), AWS (Cost Explorer, Athena, Glue), and GCP (BigQuery). AI/ML: proficiency in the Python ML ecosystem (scikit‐learn, XGBoost, Prophet), experience building and deploying models, and familiarity with MLflow or equivalent MLOps tooling. Generative AI: practical experience with LLM APIs (Azure ...

equivalent practical experience. Minimum 8 years of experience in backend development, with a strong focus on building scalable, high-performance systems. Technical Skills: Python expertise, with hands‐on experience building backend services and APIs using FastAPI, Flask or similar. Experience in designing and developing end-to-end (E2E) tests ...

seeking a senior Python Developer within Risk Technology to join a multi-year strategic initiative: the design and delivery of AI-enabled automation across the end-to-end quantitative model lifecycle, covering all market risk and credit risk models. This is a hands-on engineering role at the core … data engineers, and the program leadership to translate workflow automation requirements into robust, production-grade solutions. Key Responsibilities Engineering & Delivery Design, develop, and maintain Python-based services, pipelines, and tools supporting automation of the quantitative model lifecycle across market risk and credit risk model families. Build and operate automated testing ...

this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job title: Senior Software Engineering (Python/C#/.NET, Data & Database Platforms) Location : London (2/3 days per week onsite) Contract: 12 months with possible extension Rate : £600 - £650 inside IR35 … Role Overview We are seeking an experienced Software Engineering professional with strong expertise in Python, C#/.NET, enterprise data platforms, and database technologies. This role combines hands-on technical leadership with ownership of strategic technology initiatives supporting business-critical data and analytics capabilities. Key Responsibilities Technical Leadership Lead ...

observability, exception management, and automation across Market Data and Integration workflows. The Senior Product Analyst will investigate complex data and workflow issues using SQL, Python, logs, dashboards, and source-system analysis; support UAT, regression testing, release readiness, production validation, defect triage, and post-release monitoring; and act as a senior … platforms. Ability to write clear functional specifications, data mappings, user stories, acceptance criteria, test scenarios, and operational documentation. Hands-on capability with SQL and Python for data investigation, validation, reconciliation, prototyping, automation, or issue analysis. Essential knowledge of key financial instruments and risk analytics concepts, including bonds, equities, credit default ...

observability, exception management, and automation across Market Data and Integration workflows. The Senior Product Analyst will investigate complex data and workflow issues using SQL, Python, logs, dashboards, and source-system analysis; support UAT, regression testing, release readiness, production validation, defect triage, and post-release monitoring; and act as a senior … platforms. Ability to write clear functional specifications, data mappings, user stories, acceptance criteria, test scenarios, and operational documentation. Hands-on capability with SQL and Python for data investigation, validation, reconciliation, prototyping, automation, or issue analysis. Essential knowledge of key financial instruments and risk analytics concepts, including bonds, equities, credit default ...

consultative approach, you're comfortable engaging with clients, understanding their needs, and translating them into effective outcomes. The Role: We are seeking an experienced Python Developer with significant data engineering experience to join a high-performing engineering team working on secure, data-intensive systems. The successful candidate will have … strong background in Python software development, data engineering and data processing, with experience designing, building and maintaining robust data pipelines and services within complex technical environments. Key Responsibilities: Design, develop and maintain high-quality Python applications, services and data processing solutions. Build and optimise scalable ETL/ELT pipelines ...

Management platforms, role‐based access control, or entitlement governance at scale Advanced proficiency in one or moreprogramming languages, frameworks, or platforms such as Go, Python, Java, Kubernetes or Terraform Practical cloud‐native experience building and operating services on at least one public cloud provider, such as Amazon Web Services, Microsoft ...

Days Onsite London. We are looking for an experienced Full Stack Developer with strong expertise in Python and React.js to design, develop, and maintain scalable web applications. The ideal candidate should have hands-on experience building microservices, REST APIs, cloud-native applications, and modern frontend solutions. Key Responsibilities Design, develop … maintain web applications using Python and React. Build scalable RESTful APIs and backend services. Develop responsive and user-friendly frontend interfaces using React.js. Collaborate with Product Owners, Architects, DevOps, and QA teams. Optimize application performance, security, and scalability. Participate in code reviews and ensure best coding practices. Work within Agile ...

Systems Developer x 2 Purpose of Role/Job Overview We are seeking 2 talented and motivated Python Developers, one with 1-2 years experience and the other with 2-4 years of experience to join our clients technology team. You will play a key role in building, and maintaining … candidate who is driven to succeed, take ownership and pride in delivering exceptional levels of customer service. Key Accountabilities Design, develop, test, and maintain Python applications, scripts, and services Build and maintain APIs and integrations with third-party systems and internal platforms Write clean, well-documented, and testable code following ...

regulated environment. The role is Hybrid and requires onsite attendance in Central London 23 days per week. Technical Skills C#, ASP.NET Core, Entity Framework Python, FastAPI JavaScript, TypeScript React or Angular REST APIs, Swagger/OpenAPI SQL Server, PostgreSQL, NoSQL and vector databases Azure App Services, Azure Functions, API Management … front-end applications using modern JavaScript frameworks such as React or Angular Develop secure and scalable back-end services, APIs, and integrations using .NET, Python, and Azure services Design and implement AI-powered solutions including Agentic AI workflows, copilots, and intelligent automation services Integrate Large Language Models (LLMs), AI APIs ...

also contribute to engineering excellence through best practices, mentoring, and thoughtful technical direction. Job responsibilitiesDesign scalable, reusable data processing and data quality frameworks using Python, PySpark, and dbtBuild and optimize batch and streaming data pipelines with strong performance, fault tolerance, and observabilityDevelop and operate workflow orchestration (e.g., Apache Airflow … manage data movement and transformationsModel and transform data for analytics using SQL and dbt to support business intelligence and reporting workloadsWrite production-grade Python/PySpark code with disciplined testing, performance tuning, and maintainable object-oriented designImplement infrastructure-as-code (e.g., Terraform) to provision and manage cloud-based data platform ...

Qualifications (BQ) Proficiency in Architecting, deploying and maintaining AWS Cloud based infrastructure services [VPC, IAM, S3, Lambda, EC2, SQS, SSM, ASG, Cloudwatch, Cloudtrail, Boto3, Python, EKS, Shell Scripting, Automation, SNS, SQS, KMS, EKS, ECR, RDS. etc] Good Understanding of medium to large Enterprise architectures, Multi-Account AWS setup. Cloud Migration … Direct Connect. Experience with configuring Application Load Balancers (ALB) for effective traffic management Automation and Deployment Proficient in scripting languages such as Python and Bash for automating migration tasks and processes. Familiarity with Infrastructure as Code (IaC) tools, including AWS CloudFormation and Terraform. Strong understanding of IaC practices using tools ...

query, validate and optimise data across cloud-based analytical platforms such as Athena, Redshift and Azure Synapse Build scalable data processing solutions using PySpark, Python and cloud-native orchestration services Implement data quality checks, validation processes, monitoring and logging to ensure trusted and reliable data delivery Support the performance tuning … Data Factory, Synapse Pipelines, Azure Functions and Logic Apps PySpark SQL (Athena, Redshift, Azure Synapse SQL) AWS S3 or Azure Data Lake Storage Gen2 Python and/or Java ETL/ELT data pipeline development Data quality, validation and monitoring Git, CI/CD and Agile delivery practices Experience being ...

Data acquisition and development of data sets and improving data quality Preparing data for predictive and prescriptive modelling Hands on coding experience, such as Python Reporting tools (e.g. Tableau, PowerBI, Qlik) GDPR and Government Service Standard (desirable) Passionate, motivated and enthusiastic about developing technology solutions. Experience working in an Agile ...

Data acquisition and development of data sets and improving data quality Preparing data for predictive and prescriptive modelling Hands on coding experience, such as Python Reporting tools (e.g. Tableau, PowerBI, Qlik) GDPR and Government Service Standard (desirable) Passionate, motivated and enthusiastic about developing technology solutions. Experience working in an Agile ...

Working closely with clients and multidisciplinary teams to solve complex data challenges What We’re Looking For Commercial experience delivering Data Engineering solutions Strong Python and SQL skills, with experience of Java or Scala beneficial Experience building large-scale ETL/ELT and data processing pipelines Hands‐on experience with ...

level and we are looking for data engineers who have a variety of different skills which include some of the below. · Strong proficiency in Python · Extensive experience with cloud platforms (AWS, GCP, or Azure) Experience with: o Data warehousing and lake architectures o ETL/ELT pipeline development ...

level and we are looking for data engineers who have a variety of different skills which include some of the below. - Strong proficiency in Python - Extensive experience with cloud platforms (AWS, GCP, or Azure) Experience with: o Data warehousing and lake architectures o ETL/ELT pipeline development ...

highly technical engineers. Demonstrated experience delivering enterprise-scale software platforms, APIs, and distributed systems. Strong proficiency in C++, Java (Spring Boot), and/or Python (FastAPI or similar), with the ability to guide engineering teams on architecture, design, and implementation. Experience designing, building, and supporting RESTful APIs and microservices-based ...

Good understanding on Containerisation solutions, e.g., K8, Docker, Kaniko, etc. Proficiency in at least one of the standard programming languages – Java/JavaScript, C#, Python, or similar Object-oriented programmingProficiency in at least one of the standard scripting languages – Terraform, Bash, Ansible, etc. Good understanding of Software engineering concepts, e.g. ...

early-career Full Stack Engineer to join its Automation & Analytics team in London. This is an excellent opportunity for an engineer with strong Python and SQL skills who wants to build broader expertise across software engineering, cloud, data engineering and AI-enabled applications . Rather than focusing on one part … cloud environments, supporting real production applications and contributing to client projects. Why this role? You’ll gain hands-on exposure to: ☁️ AWS cloud & migration 🐍 Python development 🗄️ SQL, databases & data platforms 🔄 Data pipelines & ETL/ELT 🔌 APIs & backend engineering 🚀 CI/CD & production systems 📊 Analytics & modern data platforms 🤖 AI/ ...