26 to 45 of 45 Systems Architect Jobs in London

function. You will build the hardest parts yourself, own the architecture, and guide senior engineers to improve the team's craft. You’ll oversee systems that balance cost, latency and reliability while ensuring safe, scalable AI features for buyers and dealers in our UK marketplace. This is a hands ...

across backend, frontend, APIs and infrastructure from concept to production. You will mentor engineers, drive major initiatives, and ensure code quality, reliability and scalable systems while balancing speed and maintainability. #J-18808-Ljbffr ...

supporting over 7,000 customers, including 80% of the world’s top 50 banks, in more than 110 countries. Role OverviewThe Microsoft 365 Architect at Finastra is a senior, hands-on engineering and operations role responsible for the design and day-to-day management of the global Microsoft ...

supporting over 7,000 customers, including 80% of the world's top 50 banks, in more than 110 countries. Role OverviewThe Microsoft 365 Architect at Finastra is a senior, hands-on engineering and operations role responsible for the design and day-to-day management of the global Microsoft ...

OLIX is hiring an IT Systems Engineer to own the reliability and evolution of the tools every team relies on, from identity providers to device management across Mac and Windows, Google Workspace, and collaboration tools. You will lead cross‐team system projects, migrate identity providers, and build automation with … defining how IT and internal systems work from the ground up while maintaining strong security and IP protection. #J-18808-Ljbffr ...

Capgemini is seeking a senior technical leader with deep expertise in systems architecture and nuclear engineering. The role involves acting as a trusted advisor to clients and leading multidisciplinary teams to define transformation roadmaps and future-state architectures aligned with business and operational goals. You will build relationships with ...

SAVA is seeking a passionate Staff System Architect to drive system-level technical development across complex, multidisciplinary product programmes. The role focuses on Architecture & Risk while supporting Requirements & Test across software, hardware, chemistry, manufacturing and quality. The ideal candidate will lead cross-functional design decisions, simplify interfaces ...

Neutral Street is seeking a seasoned architect to optimize a high-performance Linux environment for trading systems. The role focuses on latency, throughput, security, and reliability of OS configurations. You will tune the kernel, automate provisioning, diagnose complex performance issues, and evaluate new server architectures, collaborating with operations ...

Jobtailor in London is seeking a proactive operations professional to own AI-driven automation and Notion governance. You’ll build scalable systems, maintain data quality, and reduce friction across teams while aligning with a fast-moving business. You’ll work closely with the Business Operations Lead, drive improvements, document ...

strong. We work as one to achieve our vision of being the world’s most trusted, innovative, liquidity and data solutions specialist.Role OverviewThe System Architect is responsible for defining and delivering the shared technical and architectural vision for the Agile Release Train (ART). As TP ICAP … includes systems (applications, processes and information), shared infrastructure services, shared application services, and their effective integration and reuse across TP ICAP. The System Architect is working to align Feature teams to the Architecture roadmap, and ensure the systems under development support the evolving business need ...

4am. Tom : commercial bloodhound, already pulling in contracts while the ink on our whiteboard is still wet. Now we need a Cracked Architect & Engineer (grit > specific frameworks). Someone who's not here for "another job," but for a shot at impact. #J-18808-Ljbffr ...

Jobtailor in London seeks a technically senior leader to guide design and architecture across production systems. You will drive end-to-end ownership from discovery to operation, champion AI-assisted engineering and elevate code quality ...

Google Inc. is seeking software engineers to join a team focused on next-generation AI and large-scale systems. You will own outcomes, influence stakeholders, and tackle ambiguous problems across full-stack development. The role ...

MOO is seeking a Senior IC to lead architecture across the ecommerce order journey, partnering with Product, Platform and Engineering to deliver scalable, observable systems. You will set the architectural direction and enable multiple teams ...

Octopus Group is seeking an experienced Solutions Architect to define the integration strategy within our Finance Systems team. You'll help shape how we work by managing technical decisions and collaborating with internal and external teams. The ideal candidate will have proven experience in designing finance technology … handling complex systems integrations. You'll play a crucial role in assessing current systems and proposing effective solutions that contribute to our commitment to efficiency and innovation. #J-18808-Ljbffr ...

5+ years Client: UK Government Client Potential: Opportunity for permanent conversion About the Role We are looking for an experienced Pega Certified Senior System Architect (CSSA) with strong hands-on experience in Pega Constellation to join our technology delivery team. The successful candidate will work on a major ...

Worklane GmbH is on the lookout for an experienced Solutions Architect to assist in defining the integration strategy within our Finance Systems team. The ideal candidate will have a proven track record working with finance technology in fast-paced environments and will be involved in strategic … initial 6-month contract with the potential for extension based on business needs. Responsibilities include defining architecture options, collaborating with teams, and assessing existing systems to propose effective solutions. #J-18808-Ljbffr ...

HASH is seeking a Tech Lead to own the architecture of the frontend, integrations, and distributed workflow execution atop hgres. You will be a player‐coach, balancing hands‐on work with guiding architecture across a ...

ICAP Group Services Ltd is seeking a System Architect to define and deliver the technical vision for the Agile Release Train. The role involves collaboration with distributed teams to ensure effective integration of systems. The ideal candidate will have extensive experience in technical architecture, proficiency in cloud platforms ...

supply chain. This is your chance to have an impact on such a large and innovative industry. As a Telecoms Cloud System Architect, you would be contributing to their main product which is a platform that enables the sharing and monetization of telecoms infrastructure. You would have … early stages gives you endless potential to grow along with the company. As a successful candidate, you will have a strong background in systems engineering, having worked with Linux and technologies such as Openshift, OpenStack, and Virtualisation (e.g. VMware), and working knowledge of containers and orchestration. You also will ...