21 of 21 Distributed Systems Jobs in the City of Westminster

Software Engineer - AI Platform and Agents

Location
Westminster, West End, United Kingdom
into actions, and uphold trust through integrity. Skills and Competencies 3+ years of experience in backend software development, building scalable, resilient, and production-grade systems Hands-on experience developing AI-powered applications, including large language models (LLMs), AI agents, retrieval-augmented generation, prompt engineering, evaluation frameworks, and model optimization … databases such as PostgreSQL and MongoDB and caching technologies such as Redis for high-performance data storage and retrieval Experience designing and building APIs, distributed systems, and event-driven architectures in modern programming languages such as Python, TypeScript, Java, Go, or similar Familiarity with MLOps practices, model monitoring ...

Staff Software Engineer - AI

Location
Westminster, West End, United Kingdom
Competencies - 8+ years of experience in software engineering, with deep hands-on experience designing, coding, testing, and operating scalable, resilient, production-grade backend systems and cloud-native services - Expert-level coding capability in modern programming languages such as Python, TypeScript, Java, Go, or similar, with the ability to personally … Azure, with strong experience using Docker, Kubernetes, Elastic Container Service, or equivalent technologies in production environments - Strong experience designing and implementing application programming interfaces, distributed systems, event-driven architectures, data pipelines, PostgreSQL, MongoDB, Redis, vector databases, observability, and automated deployment pipelines - Demonstrated ability to influence technical direction while ...

Lead Site Reliability Engineer

Location
Westminster, West End, United Kingdom
journey. You will play a pivotal role in shaping our next generation SRE patterns, reliability frameworks, observability strategy, and performance engineering capabilities across globally distributed systems. This role is ideal for an SRE specialist who thrives in fast paced front office environments, enjoys direct interaction with traders, and wants … asset classes (Equities, Fixed Income, FX) to understand workflows, pain points, and reliability priorities. Act as a trusted engineering partner to the desk, ensuring systems are stable, performant, and aligned with business needs. Support live trading environments, including incident response, root cause analysis, and post mortem leadership. Work ...

Software Engineering or SRE, PhD Intern, 2027

Location
Westminster, West End, United Kingdom
internet. We drive reliability and performance on a massive scale. You will work on software development projects to keep important business generating-critical systems up and running, from code-level troubleshooting of traffic anomalies to maintenance of our services from monitoring and alerts to building automation infrastructure. Google … assistant, personal projects, etc.) with programming in either: C++, Java, Python, or Go. Research experience in algorithms, architecture, artificial intelligence, compilers, database, data mining, distributed systems, machine learning, networking, or systems. Relevant practical or internship experience with one or more of the following: web application development, Unix/ ...

AI Engineer III - Agentic AI

Location
City of Westminster, England, United Kingdom
redefining the experiences our commercial customers and card members expect. Within Amex Technology, we are building platforms, products, and governance that enable agentic AI systems to operate responsibly and at scale across the enterprise. Our focus is on agentic AI development: designing intelligent, adaptive systems that can plan … reason, and act across complex workflows with appropriate levels of autonomy. These systems power autonomous workflows, decision support, and customer-facing experiences—while meeting the high standards for security, explainability, reliability, and compliance required in financial services. We partner closely with product, design, and business teams to deliver agentic ...

Senior AI Engineer II - Agentic AI

Location
City of Westminster, England, United Kingdom
redefining the experiences our commercial customers and card members expect. Within Amex Technology, we are building platforms, products, and governance that enable agentic AI systems to operate responsibly and at scale across the enterprise. Our focus is on agentic AI development: designing intelligent, adaptive systems that can plan … reason, and act across complex workflows with appropriate levels of autonomy. These systems power autonomous workflows, decision support, and customer-facing experiences-while meeting the high standards for security, explainability, reliability, and compliance required in financial services. We partner closely with product, design, and business teams to deliver agentic ...

Vice President, Site Reliability Engineering

Location
Westminster, West End, United Kingdom
support. Experience in Site Reliability Engineering, Production Engineering, DevOps, Platform Engineering, or similar roles supporting business-critical applications. Strong foundation in Linux/Unix systems administration, scripting, troubleshooting, and infrastructure concepts. Hands-on experience with Ansible and Kubernetes in enterprise or production environments. Demonstrated ability to define and operationalize … Hands-on experience with enterprise monitoring and observability platforms including Prometheus, Grafana, AppDynamics, and Splunk. Strong troubleshooting, analytical, and problem-solving skills in complex distributed or production environments. Strong verbal and written communication skills, with the ability to collaborate effectively across technical and non-technical stakeholders. Preferred Qualifications Experience ...

Machine Learning Scientist III

Location
City of Westminster, England, United Kingdom
cloud-native infrastructure. Design and deploy scalable batch and real-time ML pipelines supporting customer-facing applications. Develop and operationalise LLM applications, RAG systems, and Generative AI capabilities for content understanding, summarisation, classification, and recommendation use cases. Build evaluation frameworks and observability solutions to monitor model quality, reliability, latency … offs between model quality, scalability, latency, and infrastructure cost when developing AI-powered products. Partner with engineering teams to deploy and scale machine learning systems in production. Produce clear technical documentation and share expertise through mentorship, design reviews, and technical leadership. Experience and Qualifications Bachelor's degree in Computer ...

Senior Software Engineer- Store Operations

Location
City of Westminster, England, United Kingdom
solutions that deliver value across the business. What you'll do Your key accountabilities will include: Writing, testing and debugging code for complex features, distributed systems and legacy migrations, while helping optimise deployment pipelines. Providing technical leadership, guidance and estimation on complex, high-impact projects, ensuring successful delivery … technology environment and software engineering best practices. Expert understanding of software development principles and patterns, including MVC, SOLID, DRY and KISS. Solid expertise using distributed version control systems such as Git. Proficiency with Test Driven Development (TDD), Behaviour Driven Development (BDD) and non-functional testing approaches. Strong DevOps ...

Software Engineering Manager - SAP Decoupling

Location
City of Westminster, England, United Kingdom
performing software engineering teams, delivering scalable and high-quality software solutions. Strong software engineering background with experience across a range of technologies, architectures and distributed systems. Excellent understanding of software architecture, system design, cloud technologies, DevOps principles and engineering best practices. Strong people leadership, communication and stakeholder management skills ...

Solution Architect - FH&B International

Location
City of Westminster, England, United Kingdom
that transformation. As a Solution Architect within our International Fashion, Home & Beauty (FH&B) domain, you'll design the B2B and/or B2C systems that power M&S's international growth. Your focus will span direct-to-customer digital commerce, market-specific customer experiences, partner and franchise integrations … What You'll Do Your key accountabilities will include: Define end-to-end solution architectures for M&S International B2C and/or B2B systems, covering technology, data, integration, security, resilience, service boundaries, interface contracts and operational supportability. Design secure and scalable integration architectures across cloud-native, on-premises ...

Lead Full Stack Engineer

Location
Westminster, West End, United Kingdom
Build trust, share credit, and strengthen cross-functional execution Design and build fit for purpose architectures that balance simplicity, quality, scale, and security Simplify systems and workflows by removing friction, toil, and unnecessary handoffs Create durable reusable patterns, guardrails, and tooling that accelerate team delivery Quickly ramps … domains, technologies, and problem spaces, adapting as needs evolve Apply strong engineering fundamentals across software design, data, testing, and distributed systems Use AI-enabled tools deliberately across design, coding, testing, review, and documentation, while keeping strong human accountability for high risk decisions, verification, and final quality Build software ...

Senior Lead Software Engineer - CDAO Data Platforms

Location
Westminster, West End, United Kingdom
user interfaces all via public cloud. Job responsibilities Leads the engineering of cutting-edge solutions in the areas of metadata, meta-modelling and distributed systems. Regularly provides technical guidance and direction to support the business and its technical teams, contractors, and vendors Develops secure and high-quality production code ...

Lead Identity and Security Engineer - 12 Month FTC

Location
Westminster, West End, United Kingdom
modern CI/CD practices. Kubernetes and containerised application environments. AWS and cloud-based security and infrastructure. Designing and implementing secure APIs, integrations and distributed systems. Security principles including authentication, authorisation, token lifecycle management, secrets management and least-privilege access. Why join AND Digital? We have three values: wonder ...

Lead Risk Software Engineer LDN

Location
Westminster, West End, United Kingdom
that support trading desks and back office functions across rates products. You will work at the intersection of technology and finance, delivering high-impact systems that enable critical risk management and profit & loss analysis for our trading operations. Key Responsibilities As a Senior Python Developer on our team … will build and maintain robust software solutions for rates trading activities. You will collaborate closely with quantitative analysts, traders, risk managers, to integrate systems across front office , middle and back office processing. Your work will directly support trading operations across multiple Rates Swap Derivative products and Options products . ...

Software Engineering Manager

Location
Westminster, West End, United Kingdom
skills, harnesses) and taking them to production or in platforming (LLM or MCP gateway, agentic runtime, auth, data retrieval, eval tooling) Experience operating production distributed systems on AWS/Azure, with a strong grasp of reliability, observability, and incident response at scale Excellent communication skills, with the ability ...

Production Engineering Manager

Location
City of Westminster, England, United Kingdom
Meta's production infrastructure and services. In this role, you will manage a team of production engineers who own the full lifecycle of systems — from capacity planning and performance optimization to incident response and automation. You will drive technical strategy, champion AI-augmented workflows, and partner closely with software … team structure minimizes single points of failure and supports sustainable growthMinimum Qualifications:4+ years of experience in production engineering, site reliability engineering, or systems software engineering2+ years of experience managing production engineering or infrastructure engineering teamsExperience driving reliability and scalability improvements for large-scale distributed systems, including ...

Customer Engineering Manager, Google Cloud

Location
City of Westminster, England, United Kingdom
cloud engineering, on-premise engineering, virtualization, or containerization platforms. Preferred qualifications: Experience with software lifecycles, building tools, and architecting/developing software for scalable, distributed systems (e.g., data platform, AI/ML, infrastructure). Experience as a pre-sales manager or technical customer-facing people manager within ...

Customer Engineering Manager, Manufacturing and Industries, Google Cloud

Location
City of Westminster, England, United Kingdom
leadership (e.g., people management, team lead, mentorship, coaching). Preferred qualifications: Experience with software lifecycles, building tools, and architecting/developing software for scalable, distributed systems (e.g., data platform, AI/ML, infrastructure). Experience as a pre-sales manager or technical customer-facing people manager within ...

Software Engineer, TPU Compiler, PhD, Early Careers

Location
Westminster, West End, United Kingdom
massive scale, and extend well beyond web search. We're looking for engineers who bring fresh ideas from all areas, including information retrieval, distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, UI design and mobile the list goes … solve their most critical business problems. Minimum qualifications: Experience with coding in data structures, algorithms and software design. Research experience in Artificial Intelligence, Distributed Systems, Machine Learning, Data Mining, Natural Language Processing, Image Classification, Spam Fighting, or related fields. Work or educational experience in Machine Learning or Artificial ...

Tech Lead - Savings

Location
Westminster, West End, United Kingdom
fintech, challenger banking or a regulated digital business. Deep, hands-on expertise in Java and Spring Boot, with strong instincts for building scalable, resilient, distributed systems. Solid working knowledge of AWS, including compute, storage, networking and the operational considerations that come with running regulated workloads in the cloud. … formally mentoring engineers, with tangible impact on team capability and output. Strong architectural instincts, able to think beyond the immediate ticket and design systems that hold up under scale and scrutiny. Practical experience evaluating or implementing AI-powered developer tooling, and a considered view on where it adds genuine ...