376 to 400 of 1,670 Distributed Systems Jobs in the UK

Principal Platform Engineer | Identity Platform (AuthN/AuthZ)

Location
Staines-upon-Thames, England, United Kingdom
rest of engineering follows. This is a hands‐on engineering role. You will write Go. What we need to see Authorisation Fine-grained authorisation systems you have built and run at production scale, in distributed multi-tenant environments Hands‐on production experience with a Zanzibar‐style authorisation engine … would not push back on your director in week two, this will not suit you. Authorisation (Must Have) Architecting and engineering fine‐grained authorisation systems at production scale , in distributed, multi‐tenant environments Hands‐on production experience with a relationship‐based/policy‐based authorisation engine , ideally SpiceDB ...

Senior Lead Software Engineer - MySQL Developer

Location
City Of London, England, United Kingdom
debugs code written by others Identifies opportunities to eliminate or automate remediation of recurring issues to improve overall operational stability of software applications and systems Drives team adoption of enterprise-authorized AI-assisted engineering practices to improve code quality, delivery speed, and operational outcomes (e.g., AI-assisted code review … standards (secure coding, peer review, automated testing) and promoting reuse of effective patterns across the team. Proven expertise in designing, deploying, and managing containerized distributed applications, with a strong understanding of orchestration and scaling strategies Proven experience in designing and implementing control plane architectures for large-scale applications, focusing ...

Sr Lead Software Engineer - Java / Python

Location
Greater London, England, United Kingdom
firm’s business objectives. Job responsibilities Executes and oversees end-to-end software solutions, engineering standards, architecture, and technical troubleshooting for trading systems Designs and builds high-performance, latency-sensitive services with awareness of upstream/downstream system dependencies Develops secure and high-quality production code, and reviews … deep hands‐on expertise in Java (17+), including concurrency, memory management, and object‐oriented design Demonstrated experience designing clean APIs and rollout strategies for distributed systems (including integration and backward compatibility considerations) Practical experience with Spring/Spring Boot, microservices, Kubernetes, Linux, and core networking/messaging concepts ...

Senior Platform/Dev Ops Engineer

Location
Manchester, England, United Kingdom
Python, Kotlin, Bash, or similar languages. Experience with build and dependency tooling such as Gradle, Poetry, and UV. Strong understanding of Linux internals, networking, distributed systems, and platform reliability engineering. Experience driving platform modernization and developer enablement initiatives. Strong stakeholder management, collaboration, and technical leadership skills. Preferred Qualifications … developer platforms (IDP) at enterprise scale. Experience with platform governance, security, secrets management, and compliance integration. Exposure to event-driven platform architectures and scalable distributed systems. Experience mentoring teams and influencing engineering standards across organizations. Knowledge of modern platform engineering trends, GitOps practices, and cloud-native ecosystems. Technologies ...

Systems Engineer - Interceptors Systems Architecture London

Location
Greater London, England, United Kingdom
transparent culture that welcomes healthy debates on the use of technology in defence, its benefits, and its ethical implications. The role As a Systems Engineer, Interceptors, you will shape the system architecture and requirements for AD-1 Inferno, Helsing’s jet-powered interceptor within the Contra air defence system. … linked and justified Conduct trade studies and analysis to decompose requirements and allocate performance parameters, while developing logical and functional architectures using model-based systems engineering (MBSE) Own interface control documents and define the verification and validation strategy, including design verification plans that set out how compliance will ...

Agentic AI & Commerce Architect

Location
Greater London, England, United Kingdom
/song As an Agentic AI & Commerce Architect, you will lead the end-to-end technical design and delivery of production-grade agentic commerce systems for global enterprise clients. You are responsible for defining the overall system architecture, selecting and governing AI/ML and platform technologies, and ensuring … intelligence: embeddings pipelines, vector retrieval, and semantic search — structured around commerce-specific intent, product relationships, and category hierarchies Architect the integration layer connecting agentic systems to enterprise commerce stacks (OMS, PIM, DAM, CRM, payments, pricing, fulfilment) via API gateways, event buses, and emerging agentic protocols ...

Agentic AI & Commerce Architect

Location
City Of London, England, United Kingdom
/song As an Agentic AI & Commerce Architect, you will lead the end-to-end technical design and delivery of production-grade agentic commerce systems for global enterprise clients. You are responsible for defining the overall system architecture, selecting and governing AI/ML and platform technologies, and ensuring … intelligence: embeddings pipelines, vector retrieval, and semantic search — structured around commerce-specific intent, product relationships, and category hierarchies Architect the integration layer connecting agentic systems to enterprise commerce stacks (OMS, PIM, DAM, CRM, payments, pricing, fulfilment) via API gateways, event buses, and emerging agentic protocols ...

Portfolio Software Full Stack Engineer (Contractor)

Location
Cambridge, England, United Kingdom
expertise needed to develop and evolve our internal tools and services. You’ll play a pivotal role in designing, implementing and maintaining scalable backend systems and supporting the applications that enable decision-making across the organisation. Job Overview The Portfolio Team drives and influences how Arm’s product strategies … basis. The ideal candidate will have extensive experience building backend services using Node.js and TypeScript , with a strong understanding of modern software engineering practices, distributed systems and API design. While this is a full stack role, the primary emphasis is on backend development, system architecture and code quality ...

Software Architect - .NET / Warehouse Automation

Hiring Organisation
Computer Futures
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
Control System (WCS) used in highly automated logistics environments. This platform sits at the heart of real-time operations, orchestrating material flow across conveyor systems, integrating with PLC controls, robotics (AMR/AGV), and upstream enterprise platforms such as WMS and ERP. This is a highly technical position where … Ensure solutions meet non-functional requirements including performance, scalability, availability, and security Troubleshoot and resolve complex system issues, including concurrency, bottlenecks, and integration failures Systems Integration Own and define integration patterns between the WCS platform and external systems including PLCs, WMS, ERP, and robotics platforms Design robust, scalable ...

Senior C# .Net Developer

Location
Greater London, England, United Kingdom
highly regulated environment. Key Responsibilities Design, develop and maintain enterprise applications using C# and .NET. Develop scalable, secure and high-performance APIs, services and distributed applications. Work with Technical Analysts and business stakeholders to translate requirements into technical solutions. Contribute to solution architecture, technical design and code reviews. Develop … REST APIs and microservices SQL Server, including complex queries, stored procedures and optimisation Entity Framework/ORM Object-oriented design and design patterns Distributed systems and enterprise integration Unit and automated testing Azure DevOps, Git and CI/CD Agile/Scrum delivery Strong troubleshooting and problem-solving ...

Senior C# .Net Developer

Hiring Organisation
ARM
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500/day Umbrella Inside IR35
highly regulated environment. Key Responsibilities Design, develop and maintain enterprise applications using C# and .NET. Develop scalable, secure and high-performance APIs, services and distributed applications. Work with Technical Analysts and business stakeholders to translate requirements into technical solutions. Contribute to solution architecture, technical design and code reviews. Develop … REST APIs and microservices SQL Server, including complex queries, stored procedures and optimisation Entity Framework/ORM Object-oriented design and design patterns Distributed systems and enterprise integration Unit and automated testing Azure DevOps, Git and CI/CD Agile/Scrum delivery Strong troubleshooting and problem-solving ...

Lead Software Engineer

Hiring Organisation
Hackajob Ltd
Location
London, England, United Kingdom
toolchain, including enterprise-authorized AI-assisted development and automation capabilities, to improve the value realized by automation. Continuously update technologies and patterns to keep systems current. Design and build solutions that avoid single points of failure using scalable architectural patterns. Design and build scalable, secure, and reliable solutions … React, Angular). Demonstrated ability to independently solve design and functionality challenges with minimal supervision. Experience working with cloud platforms (e.g., AWS, Azure, GCP), distributed systems, and web technologies, including RESTful APIs and web services, WebSockets, and JSON. Hands-on experience designing and building scalable applications using ...

Lead Software Engineer

Hiring Organisation
Hackajob Ltd
Location
Bournemouth, Dorset, South West, United Kingdom
Employment Type
Permanent
toolchain, including enterprise-authorized AI-assisted development and automation capabilities, to improve the value realized by automation. Continuously update technologies and patterns to keep systems current. Design and build solutions that avoid single points of failure using scalable architectural patterns. Design and build scalable, secure, and reliable solutions … React, Angular). Demonstrated ability to independently solve design and functionality challenges with minimal supervision. Experience working with cloud platforms (e.g., AWS, Azure, GCP), distributed systems, and web technologies, including RESTful APIs and web services, WebSockets, and JSON. Hands-on experience designing and building scalable applications using ...

Performance & NFT Lead for Cloud-Native Systems

Location
Bolsterstone, England, United Kingdom
technology services. This role will be responsible for defining and delivering the end-to-end Performance & Non-Functional Testing (NFT) strategy , ensuring large-scale systems are scalable, resilient, secure, and operationally ready. You will work closely with Architecture, Engineering, DevOps, Product, and Delivery teams to embed performance and resilience … define, and validate non-functional requirements across multiple workstreams. Lead tooling assessments, proof of concepts, and recommendations. Deliver performance testing for cloud-native and distributed applications. Analyse performance data, logs, system metrics, and profiling outputs to identify bottlenecks and recommend remediation actions. Develop performance dashboards, KPIs, and executive-level ...

Backend Engineering and Architecture Lead

Location
Greater London, England, United Kingdom
record of leading engineering leaders and scaling high-performing teams of 30 or more engineers. You have deep, hands‐on expertise in backend engineering, distributed systems, microservices and cloud infrastructure, ideally with Python, FastAPI and AWS. You're experienced in setting technical strategy, developing multi-year roadmaps ...

Senior AWS Engineer

Hiring Organisation
Version 1
Location
London, UK
Employment Type
Full-time
cloud, container and CI/CD layersCollaboration & Problem SolvingDemonstrated troubleshooting and problem-solving skills across the full technology stack. Ability to work in complex, distributed system environments. Effective collaboration and communication skills. Nice to HaveExperience working in financial services or other regulated industries. AWS Certifications (Solutions Architect and/ ...

Staff Software Engineer - Enterprise Platform

Location
Greater London, England, United Kingdom
playbooks. Examples include: Defining the architecture for enterprise deployments across AWS, Azure and Google Cloud, including deployments into customer-controlled environments. Building cloud-agnostic systems that give customers flexibility in how and where they run Lovable. Designing secure sandboxing and runtime environments for running untrusted code at scale. Setting … good fit. This is the role for you if you have: Strong programming skills in Go or Rust, or a comparable systems language (C++, Java or similar) Experience building enterprise products and working with enterprise customers. Designed and scaled distributed systems in production that are used ...

Senior ML Systems Engineer — Rust & Distributed Infra

Location
Greater London, England, United Kingdom
UiPath, Inc. is seeking a systems-focused engineer to advance the Machine Learning Services platform. You will design, implement, and operate core infrastructure handling high-volume inference and multi-tenant workloads across Rust, Python, and cloud environments. Join a quick-moving, growth-focused team focused on distributed systems ...

Senior Platform Engineer, Fanatics Markets - UK Edinburgh, Scotland, United Kingdom; Leeds, England, United Kingdom; London, England, United Kingdom

Location
Leeds, England, United Kingdom
engineering leads to enable rapid innovation without compromising stability or security. This role requires a balance of deep hands‐on software engineering and systems thinking. You will build tools, services and automation that support the exchange—from load‐testing environments and mock integrations to monitoring and automated recovery. … balance of coding and infrastructure work varies by project, but you should be comfortable independently developing new software as well as improving existing systems, championing best‐in‐class platform standards and mentoring mid‐level engineers. On the engineering side, we are pioneering the use of AI as a code ...

Senior Platform Engineer, Fanatics Markets - UK Edinburgh, Scotland, United Kingdom; Leeds, England, United Kingdom; London, England, United Kingdom

Location
City of Edinburgh, Scotland, United Kingdom
engineering leads to enable rapid innovation without compromising stability or security. This role requires a balance of deep hands‐on software engineering and systems thinking. You will build tools, services and automation that support the exchange—from load‐testing environments and mock integrations to monitoring and automated recovery. … balance of coding and infrastructure work varies by project, but you should be comfortable independently developing new software as well as improving existing systems, championing best‐in‐class platform standards and mentoring mid‐level engineers. On the engineering side, we are pioneering the use of AI as a code ...

Senior Platform Engineer, Fanatics Markets - UK Edinburgh, Scotland, United Kingdom; Leeds, England, United Kingdom; London, England, United Kingdom

Location
Greater London, England, United Kingdom
engineering leads to enable rapid innovation without compromising stability or security. This role requires a balance of deep hands‐on software engineering and systems thinking. You will build tools, services and automation that support the exchange—from load‐testing environments and mock integrations to monitoring and automated recovery. … balance of coding and infrastructure work varies by project, but you should be comfortable independently developing new software as well as improving existing systems, championing best‐in‐class platform standards and mentoring mid‐level engineers. On the engineering side, we are pioneering the use of AI as a code ...

Senior Software Engineer - Online (Stock Domain)

Location
City of Westminster, England, United Kingdom
APIs in Java and Micronaut , integrating with event‐streaming platforms such as Kafka . Your work will ensure accurate, timely information reaches downstream systems and business users. Own features end‐to‐end – take responsibility for everything from design through development, testing, deployment and production monitoring. You will balance delivery … more junior engineers. Help grow our community of practice by sharing knowledge and fostering an inclusive environment. Who you are Experienced in data‐intensive distributed systems – 5+ years building and scaling services that handle large datasets, ideally serving millions of records or transactions. You understand both batch ...

DevOps Engineer (100% remote)

Location
Craigavon, Northern Ireland, United Kingdom
/CD pipelines using GitHub Actions (and similar tools), ensuring fast, reliable, and reproducible software delivery. Implement and enforce test-driven deployment systems, integrating automated testing, validation, and monitoring to maintain code quality and accelerate feedback cycles. Containerize applications and microservices with Docker, optimize image builds, and manage deployment … pipelines for distributed environments. Oversee the build, packaging, and publishing lifecycle for JavaScript, TypeScript, and C++ packages, including versioning, semantic tagging, and NPM or internal registry publication. Develop and maintain cross-platform build pipelines using CMake or equivalent tools, ensuring consistent compilation and release workflows across web, desktop ...

Forward Deployed Solution Engineer – Applied AI FDE

Location
Greater London, England, United Kingdom
agile sprints. Your software becomes the reference implementation for scalable GenAI in the enterprise. You codify patterns, shape internal tooling, and accelerate innovation—delivering systems that are battle‐tested in production and scalable across industries. Who You Are: You are a systems‐minded, AI-native engineer who ships … deeply with customer teams, diagnose root problems, and architect AI‐powered workflows that run at scale. You don’t just debug code—you debug systems, context, and customer pain points. You will: Build solution‐ready LLM‐enabled applications that span backend logic, data orchestration, and front‐end UI Operate ...

Forward Deployed Solution Engineer – AppliedAI FDE

Location
Royal Borough of Greenwich, England, United Kingdom
agile sprints. Your software becomes the reference implementation for scalable GenAI in the enterprise. You codify patterns, shape internal tooling, and accelerate innovation—delivering systems that are battle‐tested in production and scalable across industries. Who You Are: You are a systems‐minded, AI-native engineer who ships … deeply with customer teams, diagnose root problems, and architect AI‐powered workflows that run at scale. You don’t just debug code—you debug systems, context, and customer pain points. You will: Build solution‐ready LLM‐enabled applications that span backend logic, data orchestration, and front‐end UI Operate ...