101 to 125 of 300 Distributed Systems Jobs in the UK

fast-growing (~280 people) Healthtech organisation making a real-world impact. This is a rare opportunity to shape the AI strategy, design production-grade systems, and bring cutting-edge LLM-powered solutions into a live product environment. The Role Youll sit at the intersection of AI, backend engineering … cloud systems , designing and deploying intelligent features that directly impact users. Expect to: Design and implement LLM-based applications (RAG pipelines, agents, copilots) Build scalable backend services using Python and Java Integrate AI into existing cloud-native SaaS platforms Own the full lifecycle: experimentation prototyping production Optimise model performance ...

codebases, and developer workflows to improve how software is built, deployed, and operated. You'll take ownership across the stack - collaborating with engineers, improving systems end-to-end, and helping the team deliver reliably as the platform continues to grow. Core Technology Stack TypeScript/Node.js frameworks (e.g. NestJS … based backend frameworks Database tuning and optimisation (PostgreSQL or similar) Experience with container-based architectures Building internal tooling or improving developer platforms Exposure to distributed systems or event-driven architectures Experience in regulated or financial environments What We're Looking For Engineers who enjoy working in scaling environments ...

ecosystem, enabling safe, scalable adoption through well-defined "paved roads." You will translate operational intent into enterprise-scale platform design, ensuring interoperability between AI systems, data platforms, and tooling while minimizing fragmentation and maximizing reuse. Key Responsibilities Platform Architecture & Standards Define architecture, design patterns, and integration standards across … ecosystem, enabling safe, scalable adoption through well-defined "paved roads." You will translate operational intent into enterprise-scale platform design, ensuring interoperability between AI systems, data platforms, and tooling while minimizing fragmentation and maximizing reuse. Key Responsibilities Platform Architecture & Standards Define architecture, design patterns, and integration standards across ...

Senior Java Backend Engineer (Distributed Systems & Messaging) Location: London, UK (Hybrid) Role Type: Permanent Tech Stack: Java 8+, Concurrency, Apache Kafka/JMS/TIBCO, Spring Boot, Microservices, Low-Latency About the Team & Platform We are building and scaling a complex, high-throughput, electronic trading platform distributed … data pipelines that ingest live trade feeds directly from external international exchanges and trading venues. What You Will Do Design, implement, and adapt complex distributed trading workflows to meet shifting market and business demands. Optimize high-throughput, low-latency asynchronous processing components to handle massive transaction volumes smoothly. Work ...

ideal) Solid understanding of stream processing (event time, state, backpressure) Experience building ETL/ELT or real-time data pipelines Knowledge of microservices and distributed systems Tech & Cloud Experience with AWS, Azure, or GCP (AWS preferred) Familiarity with Databricks, Snowflake, or BigQuery Engineering Practices Strong in testing … 3+ years in data engineering Agile experience and strong communication skills Nice to Have Consulting/client-facing experience Real-time/low-latency systems Certifications or mentoring experience Details 12 month FTC, very likely to convert to perm Upto 3 days per week in Newcastle Pay dependant ...

best practices across your domain Lead technical direction across multiple engineering teams and programmes Design and oversee delivery of large-scale, high-availability systems using modern Microsoft technologies Provide expert guidance on technical risk, architecture decisions and prioritisation Support Staff Engineers and delivery teams through hands-on technical leadership … expertise in ASP.NET Core, Web API, C#, Entity Framework Strong experience with Azure, Kubernetes, Kafka and Microservices architecture Experience with MongoDB, cloud integrations and distributed systems Strong knowledge of JavaScript/TypeScript Experience using Terraform/Infrastructure as Code Strong understanding of software architecture and scalable system design ...

scale. They're building a modern, cloud-native backend to support their growth, and their engineering team is focused on doing things properly - clean systems, strong practices, and pragmatic decision-making. With an ESOP scheme on the table, this is a business that wants its engineers to grow with … This goes well beyond hands-on Java development - you'll be mentoring engineers, defining long-term architectural direction, and leading the decomposition of legacy systems into modern, decoupled services. The right person is a pragmatic engineer who loves clean systems, builds for scale, and takes genuine satisfaction from ...

fast-growing (~280 people) Healthtech organisation making a real-world impact. This is a rare opportunity to shape the AI strategy, design production-grade systems, and bring cutting-edge LLM-powered solutions into a live product environment. The Role Youll sit at the intersection of AI, backend engineering … cloud systems , designing and deploying intelligent features that directly impact users. Expect to: Design and implement LLM-based applications (RAG pipelines, agents, copilots) Build scalable backend services using Python and Java Integrate AI into existing cloud-native SaaS platforms Own the full lifecycle: experimentation prototyping production Optimise model performance ...

enabling cars to automatically detect, process, and settle real-world road charges without driver intervention. Parking. Tolls. Congestion charging. Airport drop-offs. Today these systems are fragmented, manual, and operationally painful. The mission: make vehicle payments invisible. The business is launching where the pain is greatest - rental and fleet … defining the future team and culture. This is a hands-on builder role for someone who thrives in ambiguity, moves quickly, and enjoys creating systems from first principles. What you will own Designing and building the core platform and architecture - you decide the technology stack . Integrating with telematics ...

enabling cars to automatically detect, process, and settle real-world road charges without driver intervention. Parking. Tolls. Congestion charging. Airport drop-offs. Today these systems are fragmented, manual, and operationally painful. The mission: make vehicle payments invisible. The business is launching where the pain is greatest - rental and fleet … defining the future team and culture. This is a hands-on builder role for someone who thrives in ambiguity, moves quickly, and enjoys creating systems from first principles. What you will own Designing and building the core platform and architecture - you decide the technology stack . Integrating with telematics ...

Backend Engineer to lead the evolution of a global platform supporting international expansion and acquisition integration. This role focuses on building and scaling transaction systems that enable global commerce, while evolving an existing real-time platform to support new markets. You will address backend capacity constraints and help design … senior engineering role requiring both high-quality delivery and strong technical leadership in ambiguous, high-scale environments. You will be expected to: Design scalable systems with correctness and failure modes considered from the outset Clarify and scope requirements before proposing solutions Make pragmatic trade-offs in system design, avoiding ...

Work with Generative and Agentic AI patterns, including LLM integration, RAG architectures, prompt-driven workflows, and AI service orchestration. Integrate AI capabilities with enterprise systems, observability tooling, and security frameworks. Design and maintain CI/CD pipelines within cloud-native engineering environments. Support benchmarking, evaluation, experimentation, and cost optimisation … workloads. Contribute to scalable RAG implementations and enterprise data access patterns. Help define reusable APIs, engineering standards, and platform documentation. Troubleshoot and optimise distributed systems and cloud-based services. Collaborate across engineering, platform, architecture, and product teams to deliver reliable AI services. Required Skills & Experience Strong commercial Python ...

Work with Generative and Agentic AI patterns, including LLM integration, RAG architectures, prompt-driven workflows, and AI service orchestration. Integrate AI capabilities with enterprise systems, observability tooling, and security frameworks. Design and maintain CI/CD pipelines within cloud-native engineering environments. Support benchmarking, evaluation, experimentation, and cost optimisation … workloads. Contribute to scalable RAG implementations and enterprise data access patterns. Help define reusable APIs, engineering standards, and platform documentation. Troubleshoot and optimise distributed systems and cloud-based services. Collaborate across engineering, platform, architecture, and product teams to deliver reliable AI services. Required Skills & Experience Strong commercial Python ...

directly controls physical robotic platforms operating in demanding environments. If you enjoy solving complex robotics challenges using modern C++, ROS2 and real-world control systems, we'd love to hear from you. What You'll Be Doing Developing modern C++ software for autonomous robotic systems Building and maintaining … ROS2-based robotic applications Working on motion planning, trajectory generation and robot control Integrating perception, sensor and vision systems Collaborating with software, electronics and mechanical engineering teams What We're Looking For Strong modern C++ experience Commercial ROS2 experience Robotics, automation or autonomous systems background Linux development experience ...

into production-ready, well-architected platform components What we're looking for Proven experience in platform, infrastructure, or software engineering roles delivering production-grade systems on AWS Strong hands-on Kubernetes experience, specifically with EKS (Elastic Kubernetes Service) and ECS (Elastic Container Service) in production environments Strong Terraform experience … with vector databases or search infrastructure (OpenSearch, Algolia) is a strong advantage Python proficiency for scripting, automation, and deploying production services Solid grasp of distributed systems, cloud-native architecture, microservices, and API design Ownership mindset - comfortable operating autonomously across reliability, performance, cost, and security Why join ...

powered applications. The role would suit a strong software engineer with hands-on experience building cloud-native applications, embedding AI capabilities into production systems, and taking ownership across the full delivery lifecycle. Key responsibilities: * Design, build and maintain AI-enabled applications using enterprise GenAI services* Develop production-grade microservices … applications* Ensure applications meet non-functional requirements around security, scalability, resiliency, performance and cost Essential skills: * Strong software engineering background with experience delivering complex distributed systems* Proven experience building and deploying production-grade applications that embed AI capabilities* Strong Python experience* Experience with LangGraph, Strands and DeepEval* Strong ...

ingestion, transformation, serving layers, and user-facing applications/UI. Translate business requirements into scalable, secure, production-ready technical solutions. Architect and implement modern distributed systems and data platforms aligned to strategic architecture principles. Drive engineering best practices across CI/CD, DevOps, automated testing (TDD/… Qualifications: Strong hands-on experience in front-end & application development (React.js/Next.js), backend development (Java or Python), and building secure, scalable APIs and distributed applications. Expertise in data engineering & platforms including SQL, data warehousing, ETL/ELT pipelines, data modelling, and integration of data science and analytics. Experience ...

ingestion, transformation, serving layers, and user-facing applications/UI. Translate business requirements into scalable, secure, production-ready technical solutions. Architect and implement modern distributed systems and data platforms aligned to strategic architecture principles. Optimize solutions for cloud-native environments, focusing on more than just "lift-and-shift … Qualifications: Strong hands-on experience in front-end & application development (React.js/Next.js, backend development using Java or Python, building secure, scalable APIs and distributed applications). Proficiency in data engineering & platforms (SQL, data warehousing, ETL/ELT pipelines, data modeling, data wrangling). Experience delivering cloud-native solutions ...

Engineering Lead who breathes engineering excellence . If you're a 10+ year Java/Spring Boot expert who is tired of bloated, unmaintainable systems and wants the authority to "fix it properly" , this is your opportunity to make a lasting impact. You will work directly with the Head … Binary stream processing Structured logging (Application Insights) Security-first development Drive a culture of clean, maintainable, production-grade code Cloud-Native Excellence Ensure all systems are built for Azure Container Apps from day one Own best practice implementation across: Stateless architecture Health check endpoints Secure secret management (Azure ...

large-scale data platforms (3+ years) Proficiency in Java or Python Hands-on experience with streaming technologies (Kafka/Flink preferred) Good understanding of distributed systems and cloud platforms (AWS ideally) Experience with CI/CD, Docker, Kubernetes, and modern DevOps practices Why consider this role? Work ...

DevSecOps practices. A collaborative mindset and willingness to share, learn, and teach. Understanding of prompt and context engineering and model evaluation. Solid grasp of distributed systems, microservices, and RESTful APIs. An understanding of LLMOps tools for managing GenAI workflows. Please be aware that some of our UK roles ...

Analysis, User-Centred Design, Engineering) Write clean, secure, and maintainable code using test-driven development principles Design and deliver scalable, resilient, and high-performing systems aligned to modern engineering standards Collaborate with product managers, designers, and stakeholders to define and deliver user-focused solutions Manage service components to ensure … needs and performance targets Embed security controls into system design to mitigate risks and threats Coordinate integration, build activities, and support testing across multiple systems Identify, troubleshoot, and resolve faults, defects, and performance issues Support and operate live production services, ensuring reliability, resilience, and stability Apply appropriate design standards ...

archival processes* Containerise and orchestrate services to ensure reliable deployment across machines and lab environments* Partner with ML engineers on dataset building, ingestion pipelines, distributed training infrastructure, and high-throughput data workflows* Work with robotics engineers on ROS2 integration, robot data streams, deployment workflows, and hardware-adjacent platform tooling … Improve testing, CI, observability, reliability, and performance across concurrent and IO-heavy systems Essential Skills You must have: * Senior-level software engineering experience, ideally 5+ years* Strong production Python experience* Experience with typing, async/await, threading, multiprocessing, and concurrent workloads* FastAPI or another async Python web framework* Vanilla ...

technology-led business is rebuilding and modernising the core system including billing, invoicing, reconciliation, integrations, operational workflows, reporting, customer tooling, and internal platforms. These systems sit at the heart of the organisation and directly influence revenue, operational efficiency, customer trust, and commercial decision-making. This role is suited … someone who enjoys solving complex operational and data problems, and who takes ownership of outcomes rather than simply delivering tickets. Strong engineering judgement, systems thinking, and an appreciation for correctness are essential in an environment where mistakes can have meaningful downstream impact. AI-assisted development is already central ...

rather than chasing hype. As their platform continues to scale, they're looking for a Senior Developer who enjoys solving complex technical problems, improving systems, and building software that stands up in production. The Good Bits: £70,000 - £90,000 Hybrid working Exposure to large-scale SaaS platforms Clear … progression opportunities A collaborative engineering culture that values learning and continuous improvement The chance to work on systems used by thousands of people every day A Typical Day in the Role: Building and improving APIs that support critical platform functionality Investigating production issues and tracing problems across distributed ...