51 to 75 of 108 Lead Software Engineer Jobs in London

Role: Senior/Lead Software Engineer (Python, Django) Type: 12 Months Contract Location: London/Manchester/Birmingham/Cardiff/North East, UK Working Model: Hybrid (2 days per week in Office) Payrate: £600 - £750 per Day on Inside IR35 via Umbrella What … Lead end-to-end system design and delivery using Python and Django. Write secure, test-driven code and maintain live service performance. Work in an Agile, multidisciplinary team aligned with Government Digital Service (GDS) standards. What We Need: 5+ years experience (ideally 8-10 years). Deep technical expertise ...

Citibank (Switzerland) AG in London seeks a Lead Software Engineer at Vice President level, focusing on AI-driven innovation. This role involves building production systems and integrating intelligent tooling to manage XVA risk at a global scale. The ideal candidate will possess extensive software engineering experience ...

looking for a Lead Software Engineer for a public sector organisation based in London, Manchester, Birmingham, Cardiff or the North East (hybrid) on an initial 12-month contract, paying up to £750 per day (Inside IR35, Umbrella). There is an expectation to attend the office ...

Citigroup Inc. is looking for a Lead Software Engineer at the Vice President level in London to work on AI-driven innovation. This role requires extensive software engineering experience including Python or Java, with responsibilities in building scalable systems and integrating AI solutions. Successful candidates will ...

Lead AI Software Engineer Hammersmith, London (3 days a week in office) | £120,000 + bonus | A profitable, privately owned financial services firm is hiring its first AI-first engineering leader. This is not a VC-backed business chasing the next round. It is cash generative, reinvests … hands-on: write and review code yourself and use AI tools as a core part of your own practice, then use that credibility to lead a small existing team day to day toward faster, more frequent releases Make the architecture and tooling calls across the group's engineering function ...

Description We are seeking an experienced and motivated Lead Software Engineer – Athena to work on our Risk platform and Aggregation system. In this role, you will design, develop, and integrate sophisticated solutions that support trading desks and back office functions across rates products. You will work … high-impact systems that enable critical risk management and profit & loss (P&L) analysis for our trading operations. Job Responsibilities Build and maintain robust software solutions supporting rates trading activities. Collaborate closely with quantitative analysts, traders, risk managers, product managers, and other technology teams. Develop scalable, high-performance Python ...

J.P. Morgan in London seeks a Lead Software Engineer to design and deliver secure, scalable technology for Markets Technology. You will work in an agile team across front office, operations and tech to shape architecture and drive continuous improvement. The role requires strong background in Python/ ...

Arondite is seeking a Lead Software Engineer to drive the success of our enterprise product, Cobalt. You will balance architecting, coding and mentoring across frontend, backend and full‐stack work, collaborating with product managers and designers to hit tight deadlines. You will guide a team of engineers ...

JPMorgan Chase & Co. is seeking an experienced Lead Software Engineer – Athena to join our Risk platform and Aggregation system in London. You will design, develop, and integrate sophisticated solutions supporting trading desks and back-office functions across rates products. You'll lead Python-based data processing ...

DESCRIPTION Description We are seeking an experienced and motivated Lead Software Engineer – Athena to work on our Risk platform and Aggregation system. In this role, you will design, develop, and integrate sophisticated solutions that support trading desks and back office functions across rates products. You will work … high-impact systems that enable critical risk management and profit & loss (P&L) analysis for our trading operations. Job Responsibilities Build and maintain robust software solutions supporting rates trading activities. Collaborate closely with quantitative analysts, traders, risk managers, product managers, and other technology teams. Develop scalable, high-performance Python ...

STATE STREET CORPORATION in London seeks a highly experienced Lead Software Engineer to drive the evolution of the Insights platform with cloud-native architecture and Generative UI/UX capabilities. You will collaborate with business, research, product, and engineering teams to design client-facing web applications ...

Burns Sheehan is seeking a Lead Software Engineer to join their team in Central London. This role involves working with cutting-edge technologies like Golang, Rust, and Kubernetes to build sustainable cloud-native solutions. The ideal candidate will have in-depth knowledge of distributed systems and experience ...

Kingfisher is seeking a Lead Software Engineer with fluent OMS expertise to design and optimise complex workflows and integrations that power Order Management solutions. You will own low‐level design, influence high‐level design, and provide technical leadership across your squad. This hands‐on leadership role requires ...

慨正橡扯 is seeking a Lead Software Engineer – Athena to shape our Risk platform and Aggregation system. You will design and build high-performance Python solutions for rates trading, risk metrics, and P&L analysis across trading desks and back-office functions. You will collaborate with quantitative analysts ...

role Join us at a pivotal stage of transformation as we build a world-class retail engineering function. We're looking for an experienced Lead Software Engineer with deep Fluent OMS expertise to design and optimise complex workflows, rulesets, event flows, and integrations that power scalable … engineering leader, you'll navigate complexity, drive innovation, and deliver high‐impact outcomes. If you're passionate about solving challenging problems, building exceptional software, and helping shape the future of retail technology, we'd love to hear from you. This is an opportunity to make a real impact ...

JPMorgan Chase & Co. is seeking a Lead Software Engineer to own US perimeter, proxy, and SSE/SASE engineering. The role focuses on secure, scalable solutions, AI-assisted development, and enforcing identity-aware access across enterprise networks. You will lead cross-team delivery, set standards ...

JPMorgan Chase & Co. on the Graphite team seeks a Lead Software Engineer to build a cloud-based payments platform with a focus on high performance and low latency. You will drive end-to-end payment flows from requirements to production, working in an agile environment. Your role … supports innovation and operational stability in a rapidly expanding payments business. You will lead architectural discussions, promote enterprise AI-assisted development practices, and mentor engineers while delivering #J-18808-Ljbffr ...

role Join us at a pivotal stage of transformation as we build a world‐class retail engineering function. We're looking for an experienced Lead Software Engineer with deep Fluent OMS expertise to design and optimise complex workflows, rulesets, event flows, and integrations that power scalable … office. Key Responsibilities Technical Leadership : Provide technical direction, coaching, and mentorship to engineers, influencing squad objectives and long‐term engineering goals. Solution Delivery : Lead the design and delivery of complex, scalable solutions, partnering with Engineering Leads, Principal Engineers, and Architects to develop effective low‐level designs. Engineering Excellence : Champion ...

Kingfisher plc in London (Paddington) is seeking an experienced Lead Software Engineer with Fluent OMS expertise to design and optimise complex workflows, rulesets, event flows, and integrations that power scalable Order Management solutions. You will own Low-Level Design (LLD), influence High-Level Design (HLD), and provide ...

team builds and runs internal and client-facing analytics and technology products across Mercer businesses. You will be the hands-on Tech Lead for a small UK-based team working closely with an India engineering pod, owning technical direction, delivery, and day-to-day engineering leadership. The role requires … strong domain partnership (risk advisory/consulting stakeholders) alongside pragmatic software engineering and architecture judgment. We will count on you to: Lead end-to-end delivery of CAT products (e.g., Concierge an agentic AI workflow tool, Prism a Mercer knowledge fabric for scheme data, and similar initiatives), from ...

# Lead Staff Software Engineerat The Trade Desk • LondonBack to jobs1. Home2. Jobs3. United Kingdom4. Lead Staff Software Engineer1h agoT## Lead Staff Software EngineerThe Trade Desk00Software EngineeringFull-timeLondon✓ Visa RelocationApply Job### Job DescriptionThe Trade Desk is a global technology company and the world … leading independent platform for digital advertising. Our Software Engineers are end-to-end owners who will participate in all aspects of designing, building, and delivering data-focused products for our stakeholders. You will have the opportunity to work on large-scale distributed systems, petabyte-scale data challenges, machine learning ...

looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions. This role involves leading a team of engineers on high-profile projects, ensuring best practices are followed, and driving continuous improvement in software development ...

T. Rowe Price Labs’ AI Engineering team in London seeks an experienced Lead Software Engineer to design and deliver production-grade AI systems. You will mentor engineers, shape architecture, and drive scalable AI products across the firm, collaborating with product owners and business stakeholders. Based in London … will lead cross-functional initiatives, advance reusable AI capabilities, ensure production readiness, and champion responsible AI practices while building toward long-term #J-18808-Ljbffr ...

Overview Lead the design, development, and deployment of applications using .NET Collaborate with product managers, UX/UI designers, and developers to deliver solutions Conduct code reviews, enforce coding standards, and ensure best practices Drive continuous improvement in development processes, tools, and methodologies Manage technical risks and ensure … technical issues across environments Provide out-of-hours on-call assistance in 4-hour slots Requirements 8+ years of experience as a senior NET software engineer Must Have: C#, .Net 6 or later, REST, GraphQL, Docker, RabbitMQ, Postgres, OpenTelemetry Good to have: MassTransit, MartenDB, CQRS, Event Sourcing, Frontend ...

Lead the design, development, and delivery of enterprise software solutions for Public Sector customers. This role combines deep technical expertise, integration experience, and customer-facing delivery in compliance-driven environments. Qualifications Experience: 8–12 years in software engineering, preferably in regulated environments. Strong expertise in Microsoft technology … Working knowledge of Python, Azure stack Experience with GitHub, CI/CD, DevOps Expertise in design patterns and REST API development Ability to deliver software and artifacts independently Experience in complex software troubleshooting techniques Integration Expertise (Must-Have) Experience with Salesforce, MS Dynamics, SAP Ariba, S/4HANA ...