176 to 200 of 212 Senior Systems Engineer Jobs in London

Senior C++ Robotics Engineer for Autonomous Systems

Location
Greater London, England, United Kingdom
sees.ai, a London-based developer of autonomous inspection tech, seeks a Senior C++ Software Engineer to evolve a real-world platform for unmanned systems. You’ll contribute across the core software stack, from flight control and autonomy to simulation and operator interfaces, with a fast feedback ...

Senior Backend Engineer, Pricing & Billing Systems

Location
Greater London, England, United Kingdom
Wise is hiring a Software Engineer to drive automation and centralisation across partner pricing and billing systems. You will build reconciliation systems to ensure pricing and billing accuracy and design automated controls for compliance. You’ll work on end-to-end features in pricing and billing with ...

Senior Quantitative Engineer Systematic Cross-Commodity

Location
Greater London, England, United Kingdom
Millennium Management LLC in London seeks a Senior Quantitative Engineer to help implement and advance core software and infrastructure for alpha research … feature engineering, portfolio construction, and trade execution. The ideal candidate has a strong CS/engineering background with 5+ years and expertise in distributed systems, real-time event-driven architectures, and large-scale time series processing, using Python/C++. The team offers a collaborative London environment. #J ...

Senior Staff Engineer - Scalable AI Systems & Equity

Location
Greater London, England, United Kingdom
Staff Software Engineer to tackle high-level technical challenges and enhance system scalability. You will resolve technical issues, design distributed systems, and leverage AI tools to improve workflows. Ideal candidates should have experience with production systems at scale, debugging skills, and the ability to work ...

Senior Lead Software Engineer - AI-Driven Trading Systems

Location
Greater London, England, United Kingdom
Morgan Chase is seeking a Senior Lead Software Engineer to join the eTrading team within the Commercial & Investment Bank. You will guide technical decisions, deliver secure, scalable code, and drive AI-assisted engineering practices across domains. The role requires deep C/C++ expertise, cloud-native ...

Senior Design System Engineer (London)

Location
Greater London, England, United Kingdom
office, Wednesday's remote You’ll join the Design System team and report to its Team Lead. The team owns Fresha's two design systems, one for the partner app businesses use and one for the consumer marketplace, and each runs across three platforms: web, iOS and Android. This … how. This role is a decision to specialise. We’re hiring a T-shaped engineer who wants to make design systems their craft: to go deep on component architecture, tokens and styling, with the breadth to own everything around them. The team owns the whole machine ...

Senior Agentic AI Engineer — Production Systems

Location
Greater London, England, United Kingdom
Accenture PLC is seeking an AI Engineer (Agentic/Applied) to design, build, and deploy production-grade agentic AI systems across the full enterprise tech stack. You will work directly with client engineering teams, lead technical design sessions, and build reusable patterns and accelerators that scale beyond ...

Senior AI Agentic Engineer — Production Systems

Location
Greater London, England, United Kingdom
Accenture PLC seeks an experienced AI Engineer (Agentic/Applied) to design, build, and deploy production-grade agentic AI systems across the enterprise tech stack in London. You will collaborate with client teams, lead technical design sessions, and create reusable patterns that scale beyond engagements. In this ...

Senior AI Engineer — GenAI & Agentic Systems

Location
London Borough of Islington, England, United Kingdom
AKQA in London is seeking a Lead/Principal AI Engineer to design, build and deliver production‐grade AI systems and agentic workflows that power modern digital experiences across consumer apps, marketing platforms and enterprise tools. The role is hands-on and leadership‐oriented, blending architectural guidance ...

Senior Lead C++ Engineer for FICC E-Trading Systems

Location
Greater London, England, United Kingdom
JPMorgan Chase & Co. is seeking a Senior Lead Software Engineer to join the eTrading team in London. You will lead an agile group delivering trusted market-leading technology in a secure, scalable manner. You will mentor engineers and influence design decisions across multiple technologies. The role ...

Senior Data Platform Engineer (Trading Systems)

Location
Greater London, England, United Kingdom
leading Investment Manager in the UK is seeking an experienced Software Engineer for an initial 6-month role that could lead to permanent employment. The position involves working within a core engineering team to develop and enhance data and infrastructure platforms supporting systematic trading strategies. The ideal candidate ...

Senior Python & C++ Engineer for Scalable Quant Systems

Location
Greater London, England, United Kingdom
WorldQuant LLC is seeking an experienced software engineer to build scalable systems for quantitative research and portfolio production in a Linux environment. You will contribute to a multi‐year platform initiative designed to support large‐scale data processing, backtesting, and ML workflows. The role emphasizes writing production ...

Senior Firmware Engineer - Embedded E-Bike Systems

Location
Greenford, Scotland, United Kingdom
Firmware Engineer role at Brompton Bicycle Ltd delivers robust embedded software for Brompton Electric products, across prototype to production. You will be involved in the full lifecycle and work with cross-functional teams to ship features. Requirements include proven embedded software experience, strong C++, and familiarity with ...

Senior Lead Java Engineer — Scalable Client-Facing Systems

Location
City of Westminster, England, United Kingdom
Morgan Chase in London is seeking a Senior Lead Software Engineer to design, build and improve scalable client-facing capabilities for JPMorganChase Online International. You will lead technical delivery, contribute to production code and mentor other engineers, influencing architecture and engineering culture across the team. ...

Senior Full-Stack Engineer for Front Office Systems

Location
Greater London, England, United Kingdom
Harvey Nash Group is seeking a highly experienced Senior Full Stack Engineer to design, develop and optimise front office applications in a world-class investment management environment. You will work closely with portfolio managers and product owners to deliver robust, scalable software. The role requires strong ...

Senior AI/ML Engineer - Production Systems & Cloud

Location
City Of London, England, United Kingdom
JPMorgan Chase & Co. is seeking an AI/ML Software Engineer to lead and deliver production AI/ML projects. You will transform business requirements into technical specifications, define milestones, and ensure timely delivery within an Agile framework. You will craft secure, high-quality production code and maintain ...

Senior AI Software Engineer - GenAI & LLM Systems

Location
Greater London, England, United Kingdom
Mayfair IT is seeking Senior AI Software Engineers, GenAI Engineers and LLM Engineers to build, deploy and support enterprise-scale AI-enabled applications … secure public sector environments. Roles require strong foundations in Node.js and/or C#/.NET, with hands-on experience creating AI-powered systems using LLMs, RAG, and agentic AI patterns. Candidates should be familiar with GDS standards and GOV.UK Design System, and be prepared for government security requirements. ...

Senior C++ Engineer — Build Scalable Distributed Systems

Location
Greater London, England, United Kingdom
WorldQuant LLC in Greater London is seeking a Software Engineer to build … enhance software that supports quantitative research operations. Candidates should have a strong background in C++, Linux, and Python, with an emphasis on developing scalable systems for the firm's next phase of growth. Applicants should possess at least 5 years of experience in production-quality coding, alongside a solid ...

Senior AI Product Engineer, ML Systems

Location
Greater London, England, United Kingdom
with ML Scientists and product teams, taking proof-of-concept code to production and ensuring robust, scalable solutions across our stack, including Python ML systems and Rails. You’ll contribute to all phases of software development, mentor other engineers, and help raise technical standards, with a hybrid work model ...

Senior AI Engineer: Autonomous Multi-Agent Systems

Location
Greater London, England, United Kingdom
Testing Site - JPMC is seeking an AI Engineer to design, build, and deploy autonomous and assistive AI agents that optimize … complex workflows and operations in a financial services context. You will collaborate with cross-functional teams to translate operational needs into robust multi-agent systems, leveraging advanced frameworks and technologies. The role emphasizes scalable, safe AI solutions, performance evaluation, and business impact. #J-18808-Ljbffr ...

Senior Interconnects Engineer, Heterogeneous AI Systems

Location
Greater London, England, United Kingdom
Callosum Technologies Ltd. is hiring for a role focused on building the communication systems that enable heterogeneous accelerators to operate as a single system. You will work across protocols, memory movement, networking hardware, and software layers to move data directly and efficiently across vendor boundaries. The role demands deep ...

Senior Rust Engineer — High-Performance Systems, London

Location
Greater London, England, United Kingdom
Group is seeking a Rust Engineer to join their London team in-office. You will design high-performance Rust systems, tackle complex real-world problems, and own projects from architecture through implementation in a fast-moving start-up culture. The role emphasizes deep Rust expertise, performance, memory ...

Senior Backend Engineer – Payments, AI & High-Scale Systems

Location
Greater London, England, United Kingdom
SpaceXSI is seeking a Sr. Software Engineer for the X Money team to build a global payments platform serving hundreds of millions of users. You will design scalable backend services and contribute across payments, fraud, and compliance initiatives in a fast … paced, startup-like environment. You will collaborate with iOS, Android and web engineers, lead architecture decisions, and ensure reliability and security across high-concurrency systems while delivering high-impact financial products. #J-18808-Ljbffr ...

Senior Python Backend Engineer – Fintech API Systems

Location
Greater London, England, United Kingdom
London is seeking an experienced Python Software Engineer to join our product engineering team. You will help build and evolve the backend systems powering our wealth platform, designing secure, scalable APIs and internal tools using Python, FastAPI, SQLAlchemy, and related technologies. Collaborate with cross-functional teams ...