1 to 25 of 5,036 Python Jobs in London

Collaborate with data scientists, data engineers, and network domain experts to translate business requirements into robust software solutions. Develop backend services and APIs using Python and modern frameworks such as FastAPI, Flask, or Django. Design and implement containerised applications using Docker and Kubernetes. Build and maintain CI/CD pipelines … Mentor junior developers and contribute to fostering a strong engineering culture. What you’ll bring Essential criteria: Strong commercial experience developing software applications using Python . Experience with modern Python frameworks such as FastAPI , Flask , or Django . Strong understanding of software engineering principles including testing, design patterns, maintainability ...

solutions across data platforms, applications, and operational systems. Experience implementing CI/CD pipelines, automated testing, and modern software engineering practices. Strong proficiency in Python and SQL for enterprise data engineering and integration workloads. Deep understanding of how integration architectures and engineering practices influence data quality, observability, lineage, traceability ...

engineering, analytics engineering or data platform roles, typically gained over 5+ years, with experience operating at a senior or leadership level. Advanced SQL and Python skills and experience using them to build reliable, production-ready data solutions. Strong experience with cloud data warehouses, ideally BigQuery, and a good working knowledge ...

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 ...

99436955280Posted: 2026-08-19Location: London, England, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: CitiWe are 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 … analysts, model validators, data engineers, and the program leadership to translate workflow automation requirements into robust, production-grade solutions.Key ResponsibilitiesEngineering & DeliveryDesign, 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 ...

monitoring, 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 … based data 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 swaps ...

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) to schedule … 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 ...

environment standardisation. Identity & Endpoint Microsoft Entra ID; Conditional Access; RBAC; PIM; MFA; SSO; Microsoft Intune and endpoint management. Scripting & Integration PowerShell; Azure CLI; Bash; Python desirable; REST APIs; automation runbooks; workflow integration. Containers & Platforms Docker; Kubernetes; Azure Kubernetes Service; Azure Container Registry; cloud-native and microservices concepts. Security & DevSecOps Security ...

DevOps).Experience with cloud platforms (e.g., AWS, Azure, GCP) and their relevant services.AI/ML:Familiarity with AI/ML concepts and frameworks (e.g., Python, TensorFlow, PyTorch, LangChain, LlamaIndex).Direct experience in developing, integrating, and deploying agentic AI systems.Leadership & Soft Skills:Excellent problem-solving, analytical, and critical thinking skills.Strong communication ...

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 architectures. ...

Nexus, etc.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., coding ...

orchestrating data flows between EBS and other applications.Technical Proficiencies: Proficiency in programming and scripting languages relevant to the enterprise stack. This may include Python/Django, Java or C# for application development. Solid skills in SQL and working with relational databases (particularly Oracle Database and PL/SQL) are required. ...

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/ ...

platforms, role‐based access control, or entitlement governance at scale Advanced proficiency in one or more programming 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 ...

role-based access control, or entitlement governance at scaleAdvanced proficiency in one or more programming languages, frameworks, or platforms such as Java, Spring, Go, Python, Terraform, or KubernetesPractical cloud-native experience building and operating services on at least one public cloud provider, such as Amazon Web Services, Microsoft Azure ...

proficient applied experience Hands-on practical experience in system design, application development, testing, and operational stability Proficient in coding in one or more languages- Python Experience in developing, debugging, and maintaining code in a large corporate environment with one or more modern programming languages and database querying languages. Overall knowledge ...

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level.As a Senior Lead Software Engineer at JPMorgan Chase within the Commercial & Investment Bank's Markets Research ...

DevOps & AutomationKnowledge in maintaining CI/CD pipelines using Azure DevOps, GitHub Actions, etc. for ADF, Databricks and ML models deployments.Develop automation scripts using Python, PowerShell, or Bash to reduce manual intervention and improve service reliability.SQL and Data Warehouse OperationsWrite, optimize, and troubleshoot SQL queries for:Data validationRoot cause analysisReport … orchestrationAzure Machine Learning: pipelines, model deployment, monitoringPower BI Service: dataset refreshes, access control, report diagnosticsDevOps & AutomationCI/CD: Azure DevOps, GitHub Actions, YAML pipelinesScripting: Python, PowerShellMonitoring: Azure Monitor, Log Analytics, Alerts, Application Insights SQL & Data WarehousingSQL skills for debugging, data validation, and optimizationExperience with Azure SQL DB, or SQL ServerFamiliarity ...

teams. Required Skills & Experience Data Engineering & Development Strong expertise in SQL database development and optimization. Hands-on experience with: Snowflake DBT Azure Data Factory Python Experience designing and developing enterprise-scale data pipelines and integrations. Strong knowledge of data modeling, data warehousing, and ETL/ELT practices. Proven ability … data quality frameworks. Exposure to AI, analytics, and advanced data platform capabilities. Skills Azure DevOps, Data Validation, Azure Functions, Cloud Data Warehousing, SQL, Python About the company the company is a global digital transformation solutions provider. For more than 20 years, the company has worked side by side with ...