76 to 100 of 164 Distributed Systems Jobs in London

This is a chance to work at serious scale, solving complex data problems for enterprise organisations with tens of millions of users, while building systems that directly drive commercial impact. The Opportunity You’ll play a key role in designing, building, and scaling cloud-native data platforms that transform … help create fast, resilient, and secure data pipelines that teams across the business depend on daily. If you enjoy building production-grade data systems, optimising performance under real-world load, and owning platforms end-to-end, this role will suit you well. What You’ll Be Doing Designing ...

senior technical leader responsible for designing, scaling and optimising large-scale infrastructure. You’ll work closely with engineering leadership to ensure systems are resilient, observable and built for global scale. What you’ll be doing Designing and evolving distributed, multi-region infrastructure Solving complex scaling, reliability and performance … code, automation and secure-by-design practices Collaborating across engineering, product and security teams What they’re looking for Significant experience building and operating distributed systems at scale Strong cloud background (AWS/Azure), Terraform and Kubernetes Experience with observability tooling (Prometheus, Grafana, EFK) and messaging systems ...

development skills including TypeScript backends, microservices, APIs, React and also ideally React Native or Kotlin for mobile development You have a good understanding of distributed systems, RDBMS (Oracle) and data modelling trade-offs You have a good understanding of cloud native architecture and modern engineering practices such …/CD, Test Automation, monitoring and observability You have an interest in AI and agentic systems, ideally having used in a commercial setting You're collaborative and pragmatic, comfortable working closely with Product Managers to explain technical aspects and trade-offs to shape delivery plans that balance speed, quality ...

orchestration, vector search, and evaluation workflows across AWS and Databricks. Working closely with senior AI engineers and product teams, you'll ensure AI systems are scalable, observable, secure, and cost-efficient, turning experimental AI into reliable, production-grade capabilities. With further scope of responsibilities detailed below: Own and evolve … Gateway, DynamoDB, S3, CloudWatch). Hands-on experience with Databricks and large-scale data or embedding pipelines. Proven experience building and operating production AI systems , including RAG pipelines, LLM-backed services, and vector search (Weaviate, OpenSearch, Algolia). Proficiency in Python , with experience deploying containerised services on Kubernetes using ...

growth. Work across the entire Lakebase org to make our service bulletproof. Our goal? Run Lakebase on Lakebase. Operational Tools: Build the systems that engineers and support teams reach for at 2am—observability, customer management, compliance monitoring, maintenance APIs, and the safety guardrails that let teams ship fast without … thrive on complexity and want impact you can measure in uptime, this might be for you. We're looking for experienced engineers with distributed systems backgrounds who've built and operated critical systems (including being on-call for them). Generalists who can navigate competing priorities ...

fast-moving team working on projects that support a large, multinational tech ecosystem. What We're Looking For Strong Go (Golang) development experience - production systems, performance, concurrency. Proven background in AI for coding (e.g., agent frameworks, LLM-powered tooling, AI code generation, or workflow automation). Hands-on experience … developing or integrating with LLM-based systems (Claude, Cursor, OpenAI, etc.). Experience with distributed systems, microservices, or platform engineering. Comfortable working in a fast-paced, experimental environment where the tech evolves every week. Why This Contract Is Exceptional You'll work in a brand-new domain ...

intersection of DevOps, cloud infrastructure and applied AI owning the full lifecycle of Retrieval-Augmented Generation (RAG) and LLM-powered systems across modern cloud architecture. This role is about engineering, not research. You will architect and run the infrastructure that enables AI to perform securely, reliably and at scale … shaping a reusable AI platform capable of supporting multiple products. What You'll Be Doing Design and optimise scalable RAG pipelines and vector search systems Orchestrate multi-model AI services with a focus on latency, resilience and performance Productionise GenAI workflows and ensure they operate reliably under real usage ...

Full Stack Data Scientist - AI & Knowledge Systems About the Role We are seeking an exceptional Full Stack Data Scientist to join our clients innovation team. This role combines traditional data science expertise with software engineering capabilities to build end-to-end AI solutions. The ideal candidate will have … true consulting approach. Responsibilities Design, develop, and implement advanced machine learning models and AI capabilities Build and maintain knowledge graphs and causal inference systems Create probabilistic models to address complex business problems Scale AI solutions from proof-of-concept to MVP and full production Collaborate with backend engineers ...

delivery through advanced testing practices. The ideal candidate will have strong expertise in Playwright, JavaScript/TypeScript, and API automation , along with experience testing distributed systems and microservices-based architectures . You will work closely with engineering, product, and DevOps teams to embed quality across the entire software … automation coverage across UI, API, and integration layers . API and Integration Testing Develop and maintain automated tests for RESTful APIs, GraphQL services, and distributed microservices . Validate service contracts, data integrity, and system interactions across complex integrations. Utilize tools such as Postman, SuperTest, or Playwright API testing ...

hands-on) , leading a small backend pod while remaining closely involved in development. You’ll be responsible for building and evolving core backend systems that support investment workflows, financial data processing and trading-related operations. What You’ll Be Working On Building scalable backend services in Python Designing systems … workflows Leading architecture and technical design for new features Running a small engineering pod and guiding delivery Improving reliability, performance and resilience of core systems Mentoring engineers and raising engineering standards across the team What We're Looking for Extensive experience with commercial Python backend development Experience building production ...

stack applications using React and modern JavaScript/TypeScript Contribute to system design, architecture, and technical decision-making Build robust APIs and integrate with distributed systems and AI services Deploy and optimise applications within Microsoft Azure Support CI/CD and cloud-native, containerised environments Key Experience Strong … commercial experience with Python in production environments Solid full-stack capability, with React on the Front End Proven experience designing scalable, high-performance systems Hands-on experience deploying applications to Azure Experience with APIs, microservices, and Docker Nice to Have Experience integrating LLMs or AI services (eg OpenAI, Azure ...

integration into the monitoring strategy Integrate and monitor interfaces across: > Azure Integration Services > MuleSoft Define and implement logging, alerting and performance monitoring strategies across distributed systems Required Skills and Experience Strong hands on experience with New Relic including APM, Logs, Infrastructure, Alerts and Dashboards Solid background in Application … programme focuses on modernising an enterprise integration landscape, replacing legacy middleware platforms with a future proof cloud based architecture. Observability and transparency across systems, APIs and interfaces are critical to the programme’s success. What We Offer Fully remote contract engagement Opportunity to shape the observability architecture within ...

integration into the monitoring strategy Integrate and monitor interfaces across: > Azure Integration Services > MuleSoft Define and implement logging, alerting and performance monitoring strategies across distributed systems Required Skills and Experience Strong hands on experience with New Relic including APM, Logs, Infrastructure, Alerts and Dashboards Solid background in Application … programme focuses on modernising an enterprise integration landscape, replacing legacy middleware platforms with a future proof cloud based architecture. Observability and transparency across systems, APIs and interfaces are critical to the programme’s success. What We Offer Fully remote contract engagement Opportunity to shape the observability architecture within ...

scaling rapidly and investing heavily in its engineering teams. This is a role for someone who enjoys building reliable, well-designed Back End systems and wants to stay close to real product impact as the platform grows. The Senior Backend Developer will be part of a product-focused engineering … team working on customer-facing, mission-critical systems at scale. The emphasis is on strong software engineering fundamentals rather than framework-driven development - clean code, thoughtful design, and pragmatic problem-solving matter far more than ticking boxes on a tech stack. As a Senior Backend Developer ...

design and delivery of next-generation digital solutions. This is an opportunity to shape greenfield projects from the ground up - architecting scalable, data-driven systems that empower venues to deliver seamless guest experiences and drive long-term innovation. What will I be doing? Lead the technical vision and architectural … direction across complex backend systems, ensuring scalability, reliability, and performance. Partner closely with engineering leadership to define best practices, coding standards, and long-term technical strategy. Design, develop, and oversee the delivery of robust, production-grade software built using Python, Django, Cloud Firestore, BigQuery, and Elasticsearch. Mentor and guide ...

design and delivery of next-generation digital solutions. This is an opportunity to shape greenfield projects from the ground up - architecting scalable, data-driven systems that empower venues to deliver seamless guest experiences and drive long-term innovation. What will I be doing? Lead the technical vision and architectural … direction across complex Back End systems, ensuring scalability, reliability, and performance. Partner closely with engineering leadership to define best practices, coding standards, and long-term technical strategy. Design, develop, and oversee the delivery of robust, production-grade software built using Python, Django, Cloud Firestore, BigQuery, and Elasticsearch. Mentor ...

early-stage AI startup. 💡 What You'll Do Build and ship core product features across a modern stack (Python, TypeScript, cloud, event-driven systems) Own problems end-to-end from customer discovery through to production deployment Work directly with users to turn messy, real-world workflows into elegant … powered solutions Balance speed vs scalability, knowing when to prototype and when to harden systems Set the standard for engineering excellence across reliability, testing, and security 🧠 What You Bring Experience 5-10 years in full-stack engineering (backend-leaning) Proven track record building and shipping AI products ...

hands-on) , leading a small backend pod while remaining closely involved in development. You’ll be responsible for building and evolving core backend systems that support investment workflows, financial data processing and trading-related operations. What You’ll Be Working On Building scalable backend services in Python Designing systems … workflows Leading architecture and technical design for new features Running a small engineering pod and guiding delivery Improving reliability, performance and resilience of core systems Mentoring engineers and raising engineering standards across the team What We're Looking for Extensive experience with commercial Python backend development Experience building production ...

real ownership, with the chance to influence both system design and broader technical direction. What you'll be doing Designing and developing high-performance systems using C++ (with some Python where required) Building and integrating microservices within a distributed architecture Working on platforms that process significant volumes … commercial setting, alongside exposure to Python Experience designing or consuming RESTful services within microservice-based architectures Background working on large-scale or high-throughput systems Previous exposure to financial services is beneficial, but not a prerequisite Strong academic foundations, ideally in Computer Science or a related field Skills C++ ...

requirements Define and govern non-functional requirements including latency, throughput, availability, recoverability, observability, and security Shape API strategies, integration models, and event-driven or distributed system designs that support extensibility and regulatory compliance Contribute to PCI DSS scoping strategies and secure-by-design approaches within cloud and hybrid environments … deep knowledge of acquiring, gateway processing, and scheme connectivity Be fluent in architectural principles and able to apply them pragmatically across APIs, integration layers, distributed systems, and cloud-native services Have experience operating in complex, multi-stakeholder environments with formal governance structures Be comfortable defining target architectures ...

Travel & Aviation Technology – C++/Angular – Flight Management Systems London | Hybrid (50% in office) A global leader in travel and aviation technology is seeking a C++ Developer (Backend‐Focused) to join their Flight Management System (FMS) engineering team. This team builds mission‐critical software used by airlines worldwide - powering … real‐time flight operations, route optimisation, and next‐generation cockpit intelligence. In this role, you’ll work primarily on high‐performance C++ systems (80%), with additional exposure to Angular frontend development (20%), contributing to one of the most advanced FMS platforms in the industry. Your work will directly impact ...

Vault Azure Monitor Azure Log Analytics Azure Active Directory Azure Container Registry Azure DNS Azure DevOps integrations Observability Logging, monitoring, and tracing across distributed systems Building meaningful telemetry and platform visibility What you'll be doing: Leading the evolution of the company’s platform and infrastructure strategy Designing … improving hybrid Azure + on-premise environments Driving Kubernetes platform improvements Building automation with Terraform and Python Improving observability and monitoring across systems Mentoring a Platform Engineer and helping shape platform best practices Working closely with engineering teams to improve developer experience and reliability Why this role is exciting ...

platform. You'll lead engineering across data, backend, web, ML, QA and DevOps. This role blends strategic direction with hands-on leadership, especially around distributed processing, ML operations and AI-assisted development practices. Key Responsibilities Own engineering delivery and roadmap Guide architecture across data pipelines, ML systems … cross-team delivery Contribute to long-term technology strategy and platform evolution Required Skillset Led multi-team engineering groups (20+ engineers) Strong background in distributed systems & large-scale data pipelines Experience with ML production environments Familiarity with modern data stacks and cloud-native setups (e.g., Spark, AWS) Understanding ...

impact hundreds of end users. They're looking for an excellent C# or Java Engineer (Codebase contains both languages), but also someone with AI, distributed systems and database exposure. Stack: C# or Java, Kubernetes, Kafka, React, LLMs The firm can offer market leading salaries, coupled with a hybrid … working model. If you're interested in building high-impact trading systems in a collaborative, tech-first environment, do apply ...

joining an engineering team focused on building high-quality Back End services and cloud-native solutions. The environment is modern and distributed, with a strong emphasis on clean design, scalability, and reliable delivery. What You'll Be Doing Building Back End services using Java, Spring, and Golang Developing cloud … Need Strong commercial experience with Java and Spring Good working knowledge of Golang Solid cloud experience with Microsoft Azure Understanding of microservices, distributed systems, and modern Back End engineering Ability to work 2-3 days per week onsite in London ...