python jobs in London

Acclaim AI is seeking a skilled backend developer to build scalable services, APIs, databases, and integrations with external systems while collaborating with a small, hands-on team that moves fast. You will own the LLM agent framework, improve observability, and adapt solutions for customer use cases, leveraging AI tools in daily development.Ideal...

Agentic AI Software Engineer (Programmer Software Engineer Developer Python Amazon Web Services AWS Strands Agents AI LangChain LangGraph CrewAI Google AutoGen Pydantic AI PydanticAI Bedrock AgentCore ADK Azure GCP Cloud Asset Manager Buy Side Investment Management Fund Hedge Fund Finance Financial Services Banking Front Office Trading Asset Manager)...

Senior Data Engineer - Python, Databricks & Counterparty Credit Risk Location: London - Hybrid We are recruiting for an experienced Senior Data Engineer to join a leading global banking organisation, working across a highly technical data environment supporting Counterparty Credit Risk (CCR), Credit Risk and wider risk data. This is a hands-on engineering...

JPMorgan Chase is looking for a Senior Lead Software Engineer in Greater London to enhance their Markets Research Technology team. You will design and deliver cutting-edge technology products, focusing on cloud-native data and AIML engineering, while fostering best practices in software development.The ideal candidate has a strong background in Python,...

AI Solutions Engineer - RAG - Python - LLM - Wealth Management An exciting opportunity has arisen for an ambitious, hands-on AI Solutions Engineer to play a key role in shaping how Generative AI is used across a leading wealth-management environment. You'll take real business challenges and turn them into practical, production-ready AI solutions, working...

PhysicsX Ltd. is building an AI-driven simulation platform for engineering across advanced industries.As a software engineer, you will build, train, and deploy physics-informed models, taking ownership from implementation through production with emphasis on testing, containerisation, CI/CD, and observability. You will join a cross-functional team in a hybrid...

N.P.A. is seeking a C++ Software Engineer to build high-performance, low-latency software for financial markets. The role collaborates with Product, Infrastructure and QA teams to deliver reliable code handling high TPS in a global environment.The ideal candidate will have strong C++11, Boost, Python (Pytest), and Linux experience, with familiarity in...

JPMorgan Chase & Co. in London is seeking a Lead Software Engineer within the Rates Nonlinear team under Markets Technology.You will lead design and delivery of real-time marking, pricing, and market data platforms, partnering with front office traders and quantitative research to drive the technical agenda across the EMEA region. The role emphasizes secure,...

Joseph Harry Ltd. in London is seeking an experienced Python Software Engineer to build Agentic AI solutions for finance clients.You will work in the AI labs team to implement end-to-end projects from inception to production, collaborating with stakeholders and leaders in a hybrid Office-based setting. You will leverage AWS, LangChain and related AI tooling,...

Dex is looking for a specialist to join a high-growth, profitable technology company in London. This role focuses on designing and scaling production-grade ML systems while optimizing personalized reward mechanisms. Candidates should have a strong background in statistical methods and machine learning, particularly in high-scale environments. This position...

Rain is seeking a Tech Lead to join our engineering team in a fully remote role. You will translate product requirements into robust technical solutions, lead a multidisciplinary team and design scalable microservices architectures to support our distributed platform.You will build and maintain integrations with 3rd-party vendors, develop RESTful APIs for...

Join JPMorgan Chase as a Senior Lead Software Engineer within Corporate Risk Technology in London. You will design and enhance advanced data engineering solutions to deliver secure, stable, and scalable technology products. Collaborate with agile teams while driving innovation across multiple technical areas. This role requires proficiency in data...

Are you a world-class Python engineer ready to push your technical limits in one of the most intellectually rigorous environments in finance? Our client is a leading quantitative investment fund—combining deep research, cutting‑edge data science, and sophisticated trading systems to deliver exceptional long‑term returns. They’re expanding their core...

NTT DATA UK is seeking an experienced QE AI Engineer to join our Quality Engineering team. You will design, build, and maintain QE solutions across the SDLC, developing reusable assets and automation frameworks while embedding quality early in development.The role emphasizes AI-enabled testing, test generation, defect analysis, and quality reporting to...

A leading financial services company in London is seeking a Data Engineer to build and maintain event-driven data pipelines for their Catalyst platform. The ideal candidate will have strong skills in Python and AWS services, with a focus on real-time systems and resilient architectures. This role offers flexible working options and a benefits package that...

JPMorganChase, within the Commercial & Investment Bank’s Markets Technology, seeks a Lead Software Engineer to drive real-time marking, pricing, and market data platforms for the Rates Nonlinear franchise in the EMEA region.You will lead design and delivery, partner with front office traders and quantitative research, and promote secure, scalable...

JPMorganChase, within the Asset Management Core Data & Analytics Engineering organization, seeks a Senior Lead Software Engineer to design and deliver data and analytics solutions on a federated data platform. Lead development of scalable data pipelines and Data Products while embedding AI-ready foundations.You will provide technical guidance, drive secure,...

Selby Jennings is assisting a technology-driven trading firm to hire a Python Software Engineer in London. The role collaborates with traders, quantitative researchers and engineers to build business-critical trading systems, real-time pricing, execution and risk management.You will design, build and enhance production-grade Python applications, aiming for...

La Fosse Associates Limited is seeking a Senior Software Engineer with strong AWS, Python and Terraform skills for a government programme contract. The role covers cloud engineering, DevOps automation and software delivery across AWS-based services.The successful candidate will contribute to automated deployments, Python tooling and cloud-native components...

Searchability in London is seeking a Senior Python Software Engineer with active SC or DV clearance to join a defence-focused AI and software solutions team. This permanent role combines hands-on backend development with scalable architectures.You will design and build backend services, APIs, and infrastructure using Python, Docker, Kubernetes, and cloud...