senior python engineer jobs in London

Lead Full Stack Engineer (TypeScript Python API) London / WFH to £125kDo you enjoy working with a range of programming languages and agentic AI?You could be progressing your career as a Lead Full Stack Engineer at a massively profitable Private Equity firm that invest in businesses across the finance, investment management and insurance space.As a Lead Full...

Salary: up to $300k baseLocations: London, New York Summary Fantastic opportunity for a strong software engineer to gain experience in market-making at a globally successful firm. This role offers the opportunity to modernize the infrastructure underpinning the critical platform that powers the firm’s client-facing businesses. This client platform supports...

Intermedia is seeking a Backend API Services Developer to design and implement scalable backend services for our cloud-hosted PBX platform. The role blends pragmatic problem solving with strong API design, focusing on reliability and observability.The role is primarily remote with occasional visits to Bristol or London. You will work in a Dev & Engineering...

Client Server is seeking a Lead Software Engineer to head a small, skilled tech team in London, delivering features and refactoring efforts on a core banking platform. The role involves a 50/50 split between architecture/design and people management, with mentoring and performance reviews for junior developers.You will work on API development (FastAPI),...

Hexwired Recruitment Limited is seeking a Project Engineer to act as the delivery interface between engineering teams and technical partners on a 12-month Outside IR35 contract in the UK.The ideal candidate will hold a 2.1 engineering degree and have demonstrable experience with CAD, simulation software and Python or MATLAB. Strong analytical and...

Trovix AI Ltd in London seeks a talented software engineer to build intuitive user interfaces and production-grade APIs for our AI-driven products, collaborating closely with our AI and product teams and regulated industry clients.You will join a small, fast-moving team delivering features used daily by law firms, insurers and financial services firms, with...

Advanced Resource Managers Ltd in London is seeking a Backend Developer (Python) on a 6-month contract. The role is hybrid in London and pays £550-£650 per day Inside IR35.The project focuses on building, modernising and supporting distributed, high-availability backend services within a banking environment. Key requirements include strong Python backend...

Zego is hiring a Python backend engineer to develop and own microservices within AI-driven insurance infrastructure. You will contribute to scalable architectures, drive code quality through reviews, and align with product goals. The role emphasizes ownership, speed, and a strong bias for experimentation.Join a team that mixes real-time AI with modern cloud...

Mimica, a remote-first AI-powered process intelligence platform, is seeking a Lead/Staff Software Engineer to shape the Python backend across ML-enabled systems. You will own architecture, drive development, and mentor others while collaborating with data scientists and ML engineers.We embrace a fully remote setup with flexibility in location, strong...

Pulse Group is partnering with an exciting AI-native startup in London that is building a proactive AI Lifestyle Operating System. This hands-on, high-ownership role sits on the founding engineering team to build backend infrastructure with Python, Django and Celery, deploying on GCP and scaling to support elite founders and creatives.You’ll own features...

Salt Digital Recruitment seeks an experienced AWS Network Engineer to design, operate, and optimize large-scale AWS networking and cloud security infrastructure. You will work with platform, security, and engineering teams to build resilient cloud network solutions across Amsterdam/Remote engagements.The role emphasizes hands-on AWS networking, firewall...

Senior Linux & Infrastructure Automation Engineer Location: (Canary Wharf/ Hybrid-3 days in a week) Type: Contract (Inside IR 35) The Role in Brief We are looking for a Senior Linux System Administrator who thrives on high-performance environments and loves automating infrastructure. In this role, you will manage large-scale Linux systems, eliminate manual...

Join us to shape the future of web applications with innovative AI-driven solutions. You will have the opportunity to work across both backend and frontend technologies, collaborating with diverse teams to deliver impactful customer and internal platforms. Your expertise will help us build reliable integrations and drive experimentation and personalization....

Help build foundational identity services that power secure public cloud platforms across the firm. You will join at the ground level to shape a new Identity and Access Management team, influencing technical direction, engineering culture, and operational excellence. This role offers hands‑on delivery in critical security domains and close partnership with...

CBSbutler is recruiting an experienced Python Application DevOps Engineer to join a hybrid London-based team. The role focuses on Python automation, production stability, and continuous improvement within a high-volume financial services technology environment.You will collaborate across application, infrastructure and engineering teams to boost reliability,...

Sanderson is working with a consulting client to grow their Data capability in the United Kingdom. They are seeking candidates with strong experience in Data Engineering and cloud platforms to design and build scalable data pipelines and architectures.The role involves data warehousing and lake architectures, ETL/ELT development, SQL/NoSQL databases,...

Solirius Reply in London seeks an experienced Python Developer with strong data engineering skills to join a high-performing engineering team working on secure, data-intensive systems. You will design, develop and maintain Python applications, and build scalable ETL/ELT pipelines across complex data environments.You will work with large datasets, ensure data...

Model ML is an AI workflow platform transforming how financial institutions automate client-ready processes. We are seeking a highly skilled Full-Stack Engineer with 5+ years of professional experience to join our growing team.You will design and build scalable web applications using React and Next.js, with Python backend services, and contribute to...

J.P. Morgan is seeking a Software Engineer with expertise in AWS and Python, and a passion for Machine Learning, to help engineer and deploy innovative ML solutions into production. You will join the Applied AI/ML Software Engineering team, collaborating with technology teams across the firm, contributing to both new and ongoing projects.As a Software...

Software Engineer / DevOps / Platform Engineer – GovernmentLocation: Remote Working (UK)Contract: Contract OpportunityClearance: Active SC or NPPV3 Clearance EssentialClient: UK Government The Opportunity We are currently recruiting for an experienced Software Engineer / DevOps / Platform Engineer to support a major UK Government client on an exciting...