1 to 25 of 58 Distributed Systems Jobs in the City of London

Backend Software Engineer (Go/Node.js Distributed Systems) Remote/Hybrid to £120k + Equity Are you an experienced Backend Software Engineer who enjoys building distributed systems, real-time infrastructure and solving complex scalability challenges? You could be progressing your career at a high growth technology … Engineer, you'll join the team responsible for the core messaging platform that underpins the company's real-time infrastructure. Working on highly scalable distributed systems, you'll design and build new platform capabilities, improve performance and reliability and solve complex engineering problems at scale. You'll contribute ...

About the Team The Platform Systems team at OpenAI operates at the intersection of cutting‐edge AI and large‐scale distributed systems. We build the engineering and research infrastructure required to train OpenAI’s flagship models on some of the world’s largest, custom‐built supercomputers. Our team … core model training software and works deep in the stack – spanning collective communication, compute efficiency, parallelism strategies, fault tolerance, failure detection, and observability. The systems we build are foundational to OpenAI’s research velocity, enabling reliable, efficient training at frontier scale. We collaborate closely with researchers across the organization ...

SaaS Platform | 10x ARR Since Last Year Remote-first UK with hybrid London office option Up to £125,000 + equity Golang | GCP | Kubernetes | Distributed Systems Senior Platform Engineer - We're working with a rapidly scaling AI-native SaaS company who raised an impressive Series B round … match the ambition of their product and customers. The product is real-time, data-rich and AI-native, creating complex engineering challenges across distributed systems, reliability, infrastructure, tooling and developer experience. As they continue to scale their Engineering team, they are now looking for a Senior Platform Engineer ...

+ 20% Flexible Benefits Package Are you an experienced Principal Engineer with a passion for building and operating large-scale distributed systems and database platforms? We're looking for a hands-on technical leader to help shape the future of our platform engineering capability. This is an opportunity … lead complex engineering initiatives, define technical strategy, and act as a subject matter expert across AWS infrastructure, distributed databases, Terraform and cloud-native platform services. You'll work closely with architects, engineers and senior stakeholders to design resilient, scalable and secure platform solutions while mentoring engineers and driving engineering ...

Senior Java & Cloud Platform Engineers | Financial Systems Talent Pod | London/EU Location: London, UK (Hybrid – Enterprise Deployments Across UK & EU) Work Model: Hybrid/Onsite/Remote opportunities may vary based on client engagement requirements. About This Talent Pod: SharpAtoms is building a UK & Europe Financial Systems … enterprise modernization programs across banking, payments, insurance, and regulated platforms. We are continuously engaging experienced engineers who have built and scaled secure, high-throughput, distributed financial systems in complex enterprise environments. This is not a job board posting. This is a pre-validated engineering talent network designed ...

Backend Software Engineer (Go/Node.js Distributed Systems) Remote/Hybrid to £120k + Equity Are you an experienced Backend Software Engineer who enjoys building distributed systems, real-time infrastructure and solving complex scalability challenges? You could be progressing your career at a high growth technology ...

arrangements We're hiring a Senior Solution Engineer to join a specialist technology consultancy that designs and delivers high-performance trading and capital markets systems for some of the world's leading financial institutions, fintechs, and market infrastructure providers. This Solution Engineer role is a unique blend of hands … engineering, technical leadership, and client engagement, focused on building low-latency, resilient, event-driven trading platforms using modern distributed systems and Aeron technology. The Role As a Solution Engineer , you'll work closely with clients and internal teams to design and deliver complex front-office solutions across capital ...

technical environment where software engineering, quantitative research and financial markets come together. You’ll work alongside exceptional developers, quantitative researchers and traders, building the systems and infrastructure that underpin a sophisticated trading operation. As a C#/.NET Software Engineer, you’ll be involved in designing, developing and improving … research ecosystem. You’ll have the opportunity to work on: High-performance C#/.NET applications and services Trading, market data and execution systems Real-time, event-driven architectures Distributed systems and messaging Performance optimisation and concurrency Internal tooling and platforms supporting quantitative research Designing robust, scalable ...

Improve automation, observability, deployment processes and DevOps maturity What We're Looking For: Strong C#/.NET development experience Expertise in APIs, integrations and distributed systems Experience building cloud-native applications Strong understanding of software architecture, scalability, resilience and security Experience with AWS and/or Azure Strong … development and technical growth Flexible total rewards and employee support If you’re a Senior Engineer with strong C#/.NET, cloud, APIs and distributed systems experience and are interested in LNG and energy trading technology , we’d love to hear from you. ...

Senior Backend Engineer in London to join a high-growth AI startup. You will design and implement high-performance Python services, build scalable distributed systems, and own backend architecture from design to production. You'll collaborate with founders, customers and engineers to solve complex problems and shape ...

event discovery, real-time seat availability, and interactive venue experiences at massive scale, processing billions of API calls during peakon-sales. Our engineers build systems that must be fast, resilient, and available when it matters most. THE JOB As a Principal Engineer on the Prepurchase Platform team, you will … write code, build systems, and solve hard problems hands-on. This is a systems thinking role: you will reason carefully about distributed systemstradeoffs, understand why existing designs exist before proposing changes, and act on problems without waiting to be asked. You will lead platform modernization efforts, design ...

products. This role blends hands-on engineering with technical leadership, mentoring, and strategic decision-making. Required Skills & Experience Python Expertise 7+ years building production systems with Python. Microservices Strong experience designing and scaling distributed microservice architectures. Cloud Platforms Deep knowledge of AWS/GCP/Azure services. Databases … Proficiency with PostgreSQL, Redis, MongoDB, or similar. Messaging Systems Experience with Kafka, RabbitMQ, or event-streaming platforms. CI/CD Strong understanding of automated testing, deployment pipelines, and observability. Leadership Proven ability to lead teams, influence stakeholders, and deliver complex projects. FinTech Domain Knowledge Experience in payments, trading, banking ...

Lead Are you passionate about designing and deploying intelligent machine learning solutions that drive business impact? Do you enjoy leading teams, building scalable ML systems, and turning complex data into innovative products and services? About the team: We are a software engineering team responsible for developing and supporting business … Engineering, supporting production AI/ML, LLM/RAG, and agentic workflow capabilities for legal content products. In addition to writing code on complex systems, this position provides technical direction on architecture, MLOps, responsible AI, legacy system integration, AWS-based delivery, and AI-assisted development practices. The position does ...

strong C#/.NET engineer who enjoys solving complex technical problems and wants to have genuine influence over the architecture and direction of the systems they build. You will work on a combination of greenfield development and the continuous improvement of established platforms, building high-performance, reliable and scalable … significant software development projects from initial design through to production Contribute to and lead architectural and technical design decisions Design and develop scalable systems supporting automated trading, research and data-driven applications Work closely with quantitative researchers and traders to understand requirements and translate them into robust technical solutions ...

Technical Staff - AI Infrastructure/ML Platform Location | London (Hybrid) Comp | Highly Competitive + Meaningful Equity Focus | AI Infrastructure, MLOps, Data Platform, GPU Systems, Research Infrastructure, Scientific ML We’re partnering with a stealth AI4Science company building foundational technology designed to accelerate science. Backed by significant funding and leading … This is an early and highly influential hire. You’ll work directly with researchers and scientists, understand how they actually experiment, and build the systems that allow them to move significantly faster. About The Role As a Member of Technical Staff, you’ll own infrastructure across the intersection ...

Experience using dbt for data modelling and transformation Experience working with Apache Airflow or similar orchestration tooling Proven experience designing and building production systems on GCP and/or AWS Strong understanding of event-driven architectures and distributed systems Experience deploying and supporting batch and real-time … machine learning workloads Experience working with distributed processing technologies such as Spark or Apache Beam Strong understanding of data quality principles and engineering best practices Experience optimising database performance, troubleshooting issues and maintaining production data systems Ability to learn new technologies quickly and apply them pragmatically ...

modern engineering practices Architect payment solutions supporting real-time payments, cross-border transactions, settlement, reconciliation, and regulatory requirements Design integration patterns across enterprise systems, third-party providers, and banking platforms Drive iterative delivery, stakeholder engagement, demonstrations, and technical progress reporting Collaborate with Business, Integration, Data, and DevOps Architects … Financial Services, or other highly regulated environments Deep expertise in Java, Spring Boot, and enterprise-scale backend development Strong knowledge of microservices architecture and distributed systems Experience designing event-driven solutions using Kafka or similar messaging technologies Strong understanding of API-first architecture, REST services, and enterprise integration ...

ThousandEyes is deeply integrated across the Cisco technology portfolio, delivering AI-powered assurance insights within Cisco’s Networking, Security, Collaboration, and Observability portfolios. Our distributed Site Reliability Engineering team of approximately nine engineers owns the availability, latency, performance, efficiency, monitoring, emergency response, and capacity planning of the platform while … application development teams. We believe in operations, infrastructure, and everything as code, creating a collaborative and pragmatic environment where engineers can manage large-scale systems that receive hundreds of millions of messages per hour. Your Impact Design andoperate large-scale, highly available distributed systems that allow ...

document, build and maintain a secure and scalable infrastructure on GCP using Infrastructure as Code Be part of the team responsible for safeguarding our systems, applications and data by ensuring secure user access, authentication and authorisation mechanisms are in place Engineer and automate technical controls within GCP to ensure … such as organisation policies and VPC Service Controls A deep understanding of GCP IAM and its limitations Experience with service-oriented architecture using containers, distributed systems and immutable infrastructure on GCP (including GKE, Compute Engine, Shared VPC and Cloud SQL) Expertise in Kubernetes, securing clusters (GKE) and meshes ...

building with AI tools long enough to know how to use them effectively. You'll likely bring: Deep experience building scalable, secure, cloud-based systems, giving you the foundation to confidently guide and validate agentic workflow outputs. Proven ability to work across both legacy and greenfield codebases, using modern … tooling to improve reliability and evolve architecture pragmatically. Strong system design fundamentals across scalability, performance, and distributed systems, including API design (REST, GraphQL). Hands-on experience with observability tooling (Datadog, Grafana, or similar) and a data-informed approach to system health and reliability. Solid SQL and data ...

delivering SMBC's Global Horizon programme, the bank's first large scale global technology implementation. Horizon intends to move SMBC's regionalised HR systems to one global platform. Reporting to the EMEA Head of Enterprise Architecture, the Principal Integration Architect role will be responsible for designing, governing, and evolving … bank's integration architecture across core systems, digital platforms, and third-party services. This role ensures seamless, secure, and scalable data and service integration across a complex global technology landscape, supporting both legacy modernization and cloud transformation initiatives. The anticipated salary range for this role ...

anticipate user demands and drive innovation. Additionally, you'll take the lead in providing operational support and technical oversight for several large-scale distributed applications. How You'll Contribute: Monitor and interpret system and application metrics to fine-tune performance and troubleshoot issues effectively Collaborate closely with developers … structured release practices Engage in architectural discussions, manage platform operations, and contribute to capacity forecasting Design and implement automated solutions to build resilient, scalable systems Maintain a strong focus on delivering new features while ensuring stability and adherence to service level goals You'll Stand Out If You Have ...

when they imagine cutting-edge AI work. That's exactly why this role is interesting. CFC's Data & AI unit is building production agentic systems that automate complex underwriting decisions - not chatbots, not copilots bolted onto legacy workflows, but autonomous multi-step AI agents that reason over unstructured data … goal is to multiply engineering delivery by an order of magnitude: not by cutting corners or generating throwaway code, but by designing robust systems and processes that let agents handle well-defined work while engineers focus on architecture, design, and the problems that actually require human judgment. This ...

develop the full stack needed to enable a global trading operation with high availability requirements. You will be expected to design and develop trading systems, market data connectivity, execution algorithms, research infrastructure, monitoring and observability tooling, and integrations with DRW’s core services. The team’s existing systems … with researchers, traders, and other software engineers Provide on-call support as needed Qualifications 5+ years of professional C++ experience Built complex, mission-critical systems in modern C++ that are maintainable and safely refactorable A deep understanding of concurrency concepts and their applications in C++ and Python A working ...

financial services sector. As a Staff Engineer, you'll lead the design and delivery of high impact technology projects, helping clients modernise legacy systems, migrate to AWS and introduce modern CI/CD and cloud deployment practices. You'll combine hands-on engineering with technical leadership, problem solving … Leading technical projects and client engagements from design through to delivery Developing scalable Java applications using Spring Boot and microservices Modernising and migrating legacy systems to AWS Designing and working with REST APIs and distributed systems Introducing and improving CI/CD and DevOps practices Providing technical ...