senior python engineer jobs in London

Senior Python Engineer – AI & Agentic Systems | London | £100k Build production AI agents I'm working with a high-growth, technology-led business that is investing heavily in AI and looking for a Senior Python Engineer to help build the next generation of its engineering platform. This is not a traditional Data Science or ML role. You’ll be a hands-on...

Python Software Engineer | Technical Lead | Principal EngineerThe following information provides an overview of the skills, qualities, and qualifications needed for this role.Python | Terraform | IaC | Cloud AutomationLondon | Hybrid (2 days onsite. (London or Southampton)£100k + 8-10% bonus, private medicalAre you a Senior or Tech Lead Software Engineer...

Software Engineer (Fixed Income & Macro) - PythonVerition Fund Management LLC (“Verition”) is a multi-strategy, multi-manager hedge fund founded in 2008. Verition focuses on global investment strategies including Global Credit, Global Convertible, Volatility & Capital Structure Arbitrage, Event-Driven Investing, Equity Long/Short & Capital Markets...

CBSbutler Holdings Limited trading as CBSbutler is seeking an experienced DevOps Engineer with strong Python skills for a remote, government-facing project. The role focuses on Python development, Go, AWS, Kubernetes and automation within secure, large-scale environments.The candidate must hold active SC clearance and meet the single-nationality criteria....

Alvar Financial Services seeks an experienced Python developer to build robust data pipelines and transform financial filings into structured data. You will orchestrate data feeds, ensure data quality, and extend backend APIs for a scalable SaaS platform.The role emphasizes production-grade scripting, documentation, testing, and collaboration with analytics...

Client Server Ltd. in London is seeking a Lead AI Engineer to drive AI adoption, prototype opportunities, and deliver end-to-end AI projects. You will work closely with the CTO and leadership to shape the technical strategy while remaining hands-on with implementation.Ideal candidates have senior Python/TypeScript skills, experience in finance, and strong...

Highly experienced Python Engineer – Tech Driven Fund160,000-250,000 + bonusOffice based in St James, LondonQuant Capital is urgently looking for a top-tier Python developer to join our high profile client.Our client is a well-known global systematic hedgefund. They have incredible performance figures and compensation packages.The firm is known globally...

Python Software Engineer – Quant Trading Fixed IncomeQuant Capital is urgently looking for a Quant Software Engineer to join our high profile client.rformance figures of 23%. They trade a number of products across equity and commodities in both high and low frequency strategies. They have the reputation as one of the best funds globally. They use a...

Spectrum IT in London seeks a Senior Python Developer to join a hybrid team, delivering production-grade software and infrastructure automation. You will lead engineering across cloud and platform domains, building automation and tooling with Python, IaC, and CI/CD practices.This role emphasizes infrastructure automation challenges, scalable cloud tooling,...

Senior AWS DevOps Engineer IaC, Serverless, CDK, Terraform, Python, OIDC, IAM Rules Outside IR35A standout contract opportunity with a global, market–leading B2B SaaS organisation undergoing a greenfield platform build involving AI adoption, and modern engineering practices. Were expanding our UK DevOps function and looking for a Senior AWS DevOps Engineer...

Updraft is a London-based fintech redefining how people manage money, with a hybrid, early-stage startup culture and a focus on scalable backend systems. You will design and scale server-side components, integrate with Modulr, Truelayer and Checkout.com, and partner with data, product, and front-end teams to deliver secure, high-performance APIs for lending...

Citigroup Inc. in London is seeking an experienced Python developer to join the Commodities Risk Technology front-office team.You will design and build high-performance micro-services for a highly distributed risk platform, using RabbitMQ for transport and OpenShift/Kubernetes for deployment. You will collaborate with Traders, Risk Managers and global tech...

Python Developer (Data Applications and AI Engineering)Take the next step in your career now, scroll down to read the full role description and make your application.Contract: 6 to 12 months (longer term available at a lower day rate)| UK based, fully remote | Outside IR35 | Start ASAPMy client, a specialist consultancy within Data and AI is looking for a...

AI Engineer (m/f/x) · Key Predict · London · 6-month fixed-term contract · ASAP Key Predict develops a SaaS talent assessment platform connected to its clients’ ATS systems: psychometric assessments, predictive models, and online interviews. Our R&D team, comprising psychometricians, data scientists, and project managers based in Paris, London, and...

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Software Engineer III at JPMorganChase within the Corporate Sector, Market Risk Technology, you serve as a seasoned member of an agile team to design and deliver trusted market-leading technology products in a secure, stable, and scalable...

Tech4 Ltd in London embraces AI-native development to evolve its platform. You will be a hands‑on Senior Python Developer guiding technical direction while mentoring engineers and collaborating with Product and Design from discovery through production.Responsibilities include architecting scalable cloud services, enforcing secure AI outputs, and driving...

Ness Digital Engineering is seeking an experienced Senior Technical Lead / Solution Architect in Dublin with strong Python, AWS, React JS, and full-stack expertise. You will architect scalable, cloud-native solutions and lead delivery of high-quality software while mentoring engineering teams.You’ll collaborate with product owners, stakeholders, and...

Netcompany in London is seeking a software engineer with 2+ years Python experience to join a greenfield and full lifecycle delivery team. You will work across front-end, back-end, and integrations, writing production-grade code and collaborating with your lead manager.You'll design and implement features, plan workflows, test thoroughly, and ensure delivery...

Descrial is hiring Full-Stack Engineers to build end-to-end software for confidential financial data. You will work with TypeScript/React on the frontend, Python on the backend (FastAPI or Django) and PostgreSQL on AWS.This cohort spans nine engineers across full-stack, front-end and back-end roles in King’s Cross, London. You’ll own features from schema...

Royal College of Pharmacy's Pharmaceutical Press in London seeks a talented software engineer to design, implement, and maintain publishing software, systems, and customer-facing digital products.You will contribute to high-quality code, develop APIs, and work in a hybrid setup with the London office 4-8 days per month. The role is full-time, with a focus on...