51 to 75 of 854 Distributed Systems Jobs in London

Blockchain Payments Lead Engineer

Location
Greater London, England, United Kingdom
/REST Infra: AWS (EKS, RDS, KMS), Terraform Requirements You are a backend and onramp specialist with a passion for high‐throughput, low‐latency distributed systems and financial technology. Essential Qualifications System Design & Scale: Deep experience in high‐throughput, low‐latency distributed systems, payments, or fintech … risk platforms. Language Fluency: Fluent in one or more systems languages (Rust, Go), or strong systems chops in TypeScript/Node/Python. Database Mastery: Expert‐level knowledge of Postgres (transactions, indexing, locking), with familiarity in Redis and event/OLAP stores (Kafka/Redpanda, ClickHouse). ...

Senior Manager- Software Engineering

Location
Greater London, England, United Kingdom
identity with a team that holds a high bar for itself — keep reading. At Socure, we are revolutionizing digital trust by building mission‐critical systems that deliver high reliability and operate at global scale. As a Manager, Software Engineering, you will be a hands‐on technical leader who defines … projects, and coach engineers to maximize their potential. This role is perfect for leaders seeking high‐growth, product‐driven environments, who are passionate about distributed systems, and who want to directly influence the design of secure, scalable, and resilient infrastructure while cultivating top engineering talent. What ...

Staff Software Engineer, AI Reliability Engineering

Location
Greater London, England, United Kingdom
through our network, API layers, serving infrastructure, and accelerators and back. We jump into the trenches alongside partner teams to make the systems that deliver Claude more robust and resilient, be it during an incident or collaborating on projects. Reliability here is an emergent phenomenon that transcends any single … whole picture. That's us -- and it means few teams at Anthropic offer this kind of dynamic, cross-cutting exposure to the systems that matter most. Responsibilities Develop appropriate Service Level Objectives for large language model serving systems, balancing availability and latency with development velocity. Design and implement ...

Software Engineer, Model Deployment- ChatGPT Engineering

Location
Greater London, England, United Kingdom
London, UK About the Team ChatGPT relies on a large and growing GPU fleet to serve inference workloads reliably and efficiently. We develop the systems and tools that make it possible to introduce new models, manage production deployments, respond to operational issues, and use infrastructure effectively at scale. … work spans distributed systems, platform engineering, infrastructure automation, and developer experience. We partner closely with research, infrastructure, and product teams to make model deployment more reliable, more efficient, and easier to manage. About the Role We are looking for a software engineer with experience building or operating large ...

Platform Engineer - Financial Services

Location
Greater London, England, United Kingdom
play a key role in defining the future of the compute economy. Apply now! Responsibilities Design, build, and operate cloud‐based backend and platform systems Make architectural decisions around cloud infrastructure, storage, CI/CD, and monitoring Build and maintain distributed systems, APIs, and message‐driven services … Ensure systems are scalable, reliable, and observable in production Collaborate with senior leadership on platform strategy and system design Participate in technical discussions, system design sessions, and onsite interviews Skills/Must Have Proven experience building and running production cloud systems at scale Strong backend engineering experience with ...

Backend Engineer - AI Native

Location
Greater London, England, United Kingdom
help engineer it. The world's biggest businesses run on some of the world's most complex technology. Decades of legacy infrastructure, disconnected systems and technical debt have created enormous barriers to innovation. One ambitious AI company is setting out to change that entirely. Building an AI native operating … engineering position where you'll be maintaining someone else's infrastructure. You’ll be joining a small, exceptionally talented team responsible for building the systems that enable an AI native platform to operate at enormous scale. We're talking about technology capable of processing tens of millions of lines ...

C# Developer

Location
Greater London, England, United Kingdom
team in London. This is a hybrid role, with 3 days per week on-site, offering the opportunity to work on cutting-edge financial systems within a global markets environment. You will play a key role in building and enhancing a distributed, real-time P&L and risk … lifecycle from design and implementation to optimisation and deployment. What You’ll Be Doing Developing and maintaining scalable .NET/C# services within a distributed streaming architecture Building and supporting real-time data processing systems for P&L and risk analytics Working on out-of-process services, system ...

Principal Engineer - Electronic Pricing - Financial Services - TWE4745

Hiring Organisation
Twenty Recruitment Group
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
financial markets organisation investing in the development and modernisation of its core technology platforms. The engineering team builds and supports high-throughput, business-critical systems, with a strong emphasis on reliability, scalability, automation and engineering quality. Role As a Principal Engineer, you will remain hands-on while helping shape … architecture and technical direction of highly available, distributed software platforms. Design and develop backend applications and services within a Java environment. Build and enhance distributed systems operating at high throughput and availability. Design event-driven architectures and integrations using Kafka. Shape technical approaches and contribute to architecture ...

Camunda Architect / Lead Architect (Camunda 8 Preferred)

Location
Greater London, England, United Kingdom
preferred Deep understanding of: BPMN 2.0 DMN workflow orchestration patterns Strong software architecture and system design experience Strong background in: microservices architecture event-driven systems distributed systems Strong backend engineering experience using Java/Spring Boot or equivalent Experience working with: REST APIs Kafka/RabbitMQ/… messaging systems Docker Kubernetes cloud-native deployments Strong understanding of security, scalability, resilience, and reliability principles Strong communication and stakeholder management skills Ability to balance technical architecture with practical business and delivery outcomes Preferred/Desirable Experience with both Camunda 7 and Camunda 8 Experience with Camunda SaaS ...

Software Development Engineer III

Location
Greater London, England, United Kingdom
technical domain to power all Expedia Group’s brands and product lines. In this role, you will: Design and implement scalable, robust, and maintainable systems and services across multiple domains, with a focus on reliability and performance. Develop complex application logic, APIs, and data models aligned to business goals … relevant professional experience. Strong software engineering fundamentals—data structures, and algorithms in Java or Kotlin, with familiarity across the JVM stack, system design, and distributed systems, and can understand highly complex systems, design moderately complex services, and guide integrations across teams within the business unit. Building ...

Staff Software Engineer-AI

Location
Greater London, England, United Kingdom
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, Go, or similar, with the ability to personally contribute high … 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 ...

Senior Backend Software Engineer I - Personal & Business Pricing Team

Location
Greater London, England, United Kingdom
language* Architectural design* Code reviews* Reliability engineering* Scalability* Observability* Incident resolution* Post-incident review* Stakeholder engagement* Mentoring* Coaching* Payments industry experience* Fintech industry experience* Distributed systems* Compliance systems* Audit systems* Regulatory requirements (SOX, fee disclosure, tax)* Configuration-heavy domains### Tags:OtherUnited KingdomLondonBackend EngineerShare Job:Application planning## … your technical discipline, with the ability to design for long-term iteration and scale. You own the availability, reliability and security of the systems you build following engineering best practices. You make sensible trade-offs between speed, scalability and risk, and optimise for a predictable, regular cadence of delivery. ...

Principal Engineer

Location
Greater London, England, United Kingdom
skills to optimise mission-critical systems.* Collaborate with stakeholders across multiple geographies and cross-functional teams to understand project objectives, gather requirements, and deliver systems and software within agreed upon timelines.* Define and enforce technical standards, design patterns, and best practices for API design, development, and security.* Design … build on-prem and AWS infrastructure ensuring high availability.* Troubleshoot complex distributed systems and support the resolution of critical technical issues.* Lead cloud security posture management by designing systems in accordance with enterprise security standards.* Drive observability efforts using tools like Datadog to monitor infrastructure and application ...

Lead AI Software Engineer

Location
Greater London, England, United Kingdom
React or Angular. Proven experience designing and implementing RESTful APIs, microservices, integrations, platform services, and digital applications. Strong understanding of cloud‐native architectures, distributed systems, containerised environments, and modern integration patterns. Experience building event‐driven solutions using technologies such as Kafka, RabbitMQ, or equivalent platforms. Demonstrated ability … operational excellence. What skills you will learn Advanced AI‐native engineering and AI‐agent orchestration techniques. Large‐scale cloud‐native software architecture and distributed systems practices. Modern software delivery frameworks, automation strategies, and developer productivity improvements. Advanced observability, operational readiness, and production engineering capabilities. Enterprise‐scale implementation planning ...

DevOps Engineer - UK

Location
Greater London, England, United Kingdom
hands-on experience in CI/CD, cloud infrastructure, automation, and containerized environments. If you are passionate about building scalable, secure, and highly available systems, we’d love to connect! On-premise experience is a plus! Employment: Full Employment City London Area Schedule: Hybrid Experience: 3 - 5 years About … with offices in Washington DC, London, New Delhi and Estonia, is an international provider of drone operations and traffic management solutions for unmanned aircraft systems (UAS) operators and airspace managers. We offer intelligent Machine Learning and AI driven traffic management software capabilities for UAS Traffic Management (UTM) and Urban ...

Senior Software Engineer - Network Platforms

Location
Greater London, England, United Kingdom
team was formed to build and extend network software infrastructure responsible for delivery of traffic through critical paths of Cloudflare's global network. These systems directly impact traffic across Cloudflare's network infrastructure, across numerous products and millions of customers. They are key to Cloudflare's mission to make … internet faster, safer, and more reliable. What You’ll Do As a member of the team you will build and extend various software systems that carry traffic on critical paths of Cloudflare's network: from the host server linux kernel, to the network hardware dataplane, to the physical interconnect ...

Europe Risk And Controls Senior Software Engineer II

Location
Greater London, England, United Kingdom
driven engines that ensure every risk decision is bulletproof: consistent, explainable, and real-time auditable. What You’ll Drive System Architecture: Design and scale distributed systems powering customer due diligence (CDD/EDD) and fincrime detection. Technical Leadership: Set technical strategy, make critical architectural calls, and mentor senior … eager to learn more we do want to hear from you! Core Stack: 7+ years of deep Java expertise leveraging Spring Boot. Distributed Systems: Hands‐on experience building event-driven architectures with Kafka and SQL. Product Ownership: Direct end-to-end execution- owning systems from initial design ...

Senior Java Developer IRC303861

Location
Greater London, England, United Kingdom
using technologies such as Spring Boot, with automation as a core engineering principle. You’ll be comfortable designing and delivering robust, scalable and resilient distributed systems, with a strong focus on reliability, observability and operational excellence. Exposure to agentic coding practices where it adds value, would be hugely … beneficial You’ll also need: Strong experience building robust, resilient and defensively coded distributed systems, ideally leveraging technologies such as Kafka and an understanding of designing and operating RESTful APIs at scale, including versioning, observability, monitoring, and forward, backward compatibility Experience with event driven architectures, both orchestrated ...

Principal Software Engineer-AI

Location
Greater London, England, United Kingdom
skills, harnesses) and taking them to production or in platforming (LLM or MCP gateway, agentic runtime, auth, data retrieval, eval tooling) Experience running AI systems in production at scale, including observability, cost and capacity planning, regression detection, and incident response for AI-powered applications Experience operating production distributed systems on AWS/Azure, with a strong grasp of reliability, observability, and incident response at scale Deep knowledge of cloud-native technologies, serverless applications, event-driven architectures, data and inference pipelines, relational, NoSQL, and vector databases, and modern software architecture patterns Proven track record of owning multi ...

Lead Software Engineering — Trading Tech

Location
City of Westminster, England, United Kingdom
engineering team where your code and ideas directly improve platform resilience, scalability, and developer experience. This role offers meaningful ownership, opportunities to grow your distributed systems expertise, and the chance to contribute to technical direction through hands-on delivery. You’ll work in a fast-paced environment with … related field, or equivalent practical experience. Hands-on proficiency in Java and a track record of delivering production-quality code. Experience building distributed systems that process high volumes of data with real-time delivery needs. Practical experience with continuous integration and continuous delivery (CI/CD) pipelines ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
This role suits a strong generalist who has seen many parts of engineering. You might have worked on any of the following: high-throughput systems, computer vision, robotics, ML infrastructure, or other complex applications. Our ideal candidate brings strong engineering judgment, good technical range, and the ability to learn … iterate on ML models - from dataset curation through training, evaluation, and deployment to edge devices. Help bring ML, computer vision, or signal-processing systems into production with tight performance constraints Build reliable application features and services that customers use in real environments. Analyze production data to find system limits ...

Data Architect (8 Month FTC)

Location
Greater London, England, United Kingdom
guardrails and target/transition architectures within a complex, cloud‐native environment. Combines strategic leadership with deep technical expertise in data modelling, detailed design, distributed systems and engineering problem‐solving. Key Responsibilities & Skills Data Architecture & Strategy: Define and evolve data strategy, architecture principles, standards and target‐state roadmaps … balancing scalability, resilience, security, cost and delivery speed. Cloud‐Native & Distributed Systems: Deep expertise in microservices, domain‐driven design (DDD), bounded contexts, data ownership, event‐driven integration, eventual consistency and distributed transactions. Event Streaming: Hands‐on experience designing and operating Kafka, Kinesis or equivalent platforms, including partitioning ...

Full Stack Developer

Hiring Organisation
MJA (London) Ltd
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Looking for a detailed orientated engineer to join an existing engineering team, understand the architecture quickly, contribute production-quality code, troubleshoot distributed systems, and independently drive assigned deliverables through to deployment. You should have the following experience: MongoDB, Express.js, Angular, Node.js, C#/.NET Core 10+ … Server 19+. Programming: JavaScript and TypeScript Architecture: Microservices and distributed applications Event-Driven Architecture: Apache Kafka Kafka: Producers, consumers, topics, partitions and consumer groups Cloud: AWS application deployment and support DevOps: CI/CD pipeline implementation and automation Containers: Docker APIs: RESTful API design and development using C# with ...

Full Stack Developer

Hiring Organisation
MJA (London) Ltd
Location
EC3, Broad Street, Greater London, United Kingdom
Employment Type
Contract
Looking for a detailed orientated engineer to join an existing engineering team, understand the architecture quickly, contribute production-quality code, troubleshoot distributed systems, and independently drive assigned deliverables through to deployment. You should have the following experience: MongoDB, Express.js, Angular, Node.js, C#/.NET Core 10+ … Server 19+. Programming: JavaScript and TypeScript Architecture: Microservices and distributed applications Event-Driven Architecture: Apache Kafka Kafka: Producers, consumers, topics, partitions and consumer groups Cloud: AWS application deployment and support DevOps: CI/CD pipeline implementation and automation Containers: Docker APIs: RESTful API design and development using C# with ...

Sr Backend Engineer

Location
City Of London, England, United Kingdom
platforms in a dynamic financial services environment. Your key responsibilities: Design, develop, and maintain mission-critical banking services and applications Lead architectural decisions for distributed systems and microservices Build and support cloud-native applications in multi-cloud environments Develop robust RESTful APIs and implement asynchronous processing solutions Ensure … bring to the role: Essential Requirements: Extensive hands-on backend engineering experience with expert proficiency in Java development and JVM technologies Deep understanding of distributed systems architecture, microservices, and relational database data architecture patterns Proven experience building and supporting cloud-native applications in production Demonstrated experience developing RESTful ...