1 to 25 of 562 Distributed Systems Jobs in the UK

Systems Research Engineer - LLM Optimisation (vLLM / TensorRT-LLM)

Hiring Organisation
Project People
Location
City Of Edinburgh, Scotland, United Kingdom
Systems Research Engineer - LLM Optimisation (vLLM/TensorRT-LLM) Permanent Edinburgh City Centre (On-site 5 days), walking distance from local transport links Salary : Competitive and negotiable, generous benefits package In an era where Large Language Models (LLMs) are rebuilding the foundational software stack, our client … forefront of reshaping how large-scale models are trained, served, and deployed. Operating at the intersection of advanced systems research and industrial-scale engineering, their Edinburgh-based team is driving new AI Infrastructure & Agentic Serving architectures. This role is a unique opportunity to help define next-generation large-scale ...

Senior Software Engineer / Reliability Engineering - Real-time Data

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
Reliability Engineering group comprises three sub-teams located in Tokyo, London, and New York, providing follow-the-sun support. Our mission is to ensure systems are reliable, scalable, and observable through software engineering, while continuously improving how systems behave under load and failure conditions. We work … outcome-driven model, focusing on measurable improvements in availability, latency, capacity, and recovery. Our goal is to ensure systems meet defined service level objectives while minimising manual operational effort through automation and software solutions. The systems we support must behave predictably under extreme load, recover quickly from failures ...

Cloud Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
United Kingdom
Employment Type
Contract
Contract Rate
Up to £85 per hour
detect and respond to emerging AI-driven threats at enterprise scale. This is a deeply technical engineering role focused on building high-performance distributed systems, scalable microservices, and secure cloud-native infrastructure capable of handling massive real-time workloads across modern cloud environments. You'll work alongside world … scale real-time security workloads Design and develop microservices, reusable frameworks, and platform components used across multiple engineering teams Build secure, reliable, and performant distributed systems operating at enterprise scale Develop automated testing strategies focused on reliability, scalability, and security validation Integrate services across complex internal platforms, APIs ...

Senior Software Engineer / Reliability Engineering - Real-time Data

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Reliability Engineering group comprises three sub-teams located in Tokyo, London, and New York, providing follow-the-sun support. Our mission is to ensure systems are reliable, scalable, and observable through software engineering, while continuously improving how systems behave under load and failure conditions. We work … outcome-driven model, focusing on measurable improvements in availability, latency, capacity, and recovery. Our goal is to ensure systems meet defined service level objectives while minimising manual operational effort through automation and software solutions. The systems we support must behave predictably under extreme load, recover quickly from failures ...

Senior Software Engineer II - Wise for Enterprise

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
looking for a Senior Product Engineer II to join our Wise for Banks team and help shape the technical direction of the systems powering Wise’s global payment network. In this role, you’ll operate at the intersection of engineering, product, and partnerships by driving the architecture, scalability … Wise. With deep expertise in Java, Spring Boot, Kafka, and PostgreSQL, you’ll lead the design of highly available services and event‐driven systems that power partner integrations and financial flows at scale. You’ll influence architecture across Wise’s ecosystem of 700+ microservices, helping teams make sound technical ...

Senior Software Engineer - Scala

Hiring Organisation
Morson Edge
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
revenues exceeding$1 billion, currently expanding its Manchester engineering function. This is a rare opportunity to join a genuinely high-performing engineering team building distributed systems that process vast amounts of data and power critical products used globally. I'm particularly interested in speaking with engineers who have … fundamental to success. The Opportunity As a Senior Scala Engineer, you'll play a key role in designing and developing highly scalable backend systems, influencing technical direction, and helping to shape the future of a rapidly growing engineering organisation. Working alongside some of the industry's strongest engineers ...

Senior Software Engineer

Hiring Organisation
Daniel James Resourcing Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£75,000
environments. This is not a slow-moving enterprise IT environment. The engineering teams here are focused on modern product development, cloud-native architecture, scalable distributed systems, and building high-quality software that directly impacts real users and real-world transactions at scale. Youll join a collaborative engineering culture … teams to deliver genuinely modern SaaS products. The environment is heavily engineering-led, with a strong focus on: cloud-native development scalable APIs and distributed systems event-driven architecture CI/CD and automation engineering quality and clean architecture modern software delivery practices product-centric engineering Tech Stack ...

Principal Engineer

Hiring Organisation
Corecom Consulting
Location
United Kingdom
Employment Type
Permanent
Principal Engineer | AI Systems & Distributed Platforms Remote (UK) | £90,000 to £120,000 | Early-Stage AI Start-Up We're partnered with an early-stage AI business building large-scale operational AI systems designed to automate highly complex enterprise workflows. This is not another 'AI wrapper' business. … company is developing a sophisticated AI-native platform focused around autonomous workflows, reasoning systems, orchestration, and large-scale document/case processing within highly regulated environments. They're already live with enterprise customers and are now entering a major scaling phase as both platform demand and customer onboarding accelerate. ...

Python Backend Engineer

Hiring Organisation
Daniel James Resourcing Ltd
Location
St. Albans, Hertfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
Up to £550/ day Outside IR35
Senior Python Backend Engineer - Real-Time Distributed Systems £550/day Outside IR35 Watford/Hybrid (Initial onsite, then mainly remote) 4-month contract Were working with a highly engineering-led technology business building large-scale real-time backend systems within a distributed Azure environment. This … high-level solution designers. We are specifically looking for deeply hands-on Python backend engineers who are comfortable operating at implementation level within complex distributed systems. The environment is heavily focused on: Real-time event-driven processing High-throughput backend services Distributed microservice architectures Low-latency data ingestion ...

Solace Messaging Administrator

Hiring Organisation
Searchability (UK) Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
ADMINISTRATOR - LONDON KEY POINTS Salary up to £130,000 + Bonus 4 days per week onsite in Canary Wharf Supporting critical enterprise Solace messaging systems Opportunity to work within a low latency, high throughput trading environment ABOUT THE CLIENT We're supporting a globally recognised financial services and technology … optimise a critical low latency messaging environment. You'll be joining a highly technical, collaborative team responsible for delivering resilient, high throughput messaging systems that underpin pricing, trading, and other mission critical applications across a complex global infrastructure. THE BENEFITS Competitive bonus structure Exposure to enterprise-scale messaging infrastructure ...

Senior Software Engineer - Workflow Orchestration

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Part of the Enterprise Products organization, the Workflow Orchestration group is dedicated to delivering workflow management, orchestration, and transparency solutions for highly distributed, fully asynchronous, enterprise-scale applications. Through our platform, we serve both internal clients who need to orchestrate complex financial workflows and large institutional clients who rely … their inbound and outbound processes. The Workflow Frameworks team builds a generic, high-performance, DAG-based orchestration engine that serves as foundational infrastructure for distributed and asynchronous enterprise workflows. Through our Python API, clients can define workflows that operate seamlessly across a wide range of execution environments. The Workflow ...

Principal Software Engineer

Hiring Organisation
Zorba Consulting Limited
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 - 120,000 Annual
Principal Software Engineer We are looking for a highly experienced Principal Software Engineer with strong backend engineering expertise and a passion for scalable distributed systems. You will play a key role in shaping architecture, engineering standards, and technical direction across the platform. Join a fast-growing Banking SaaS provider … Java backgrounds are encouraged to apply. Integrating with payment platforms, banking infrastructure, FX/crypto providers, and card processors Driving architectural decisions across distributed systems and cloud infrastructure Leading technical design reviews and influencing engineering best practices Mentoring engineers and helping scale a high-performing engineering culture Designing ...

Principal Software Engineer

Hiring Organisation
Zorba Consulting Limited
Location
EC3, Broad Street, Greater London, United Kingdom
Employment Type
Permanent
Salary
£100000 - £120000/annum 25 days hols, Share Options, Healt
Principal Software Engineer We are looking for a highly experienced Principal Software Engineer with strong backend engineering expertise and a passion for scalable distributed systems. You will play a key role in shaping architecture, engineering standards, and technical direction across the platform. Join a fast-growing Banking SaaS provider … Java backgrounds are encouraged to apply. Integrating with payment platforms, banking infrastructure, FX/crypto providers, and card processors Driving architectural decisions across distributed systems and cloud infrastructure Leading technical design reviews and influencing engineering best practices Mentoring engineers and helping scale a high-performing engineering culture Designing ...

Director, Principal Java Engineer (Investment Banking)

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£140,000 - £170,000 per annum
scaling internal technology capabilities through high-quality engineering and platform design. The environment is highly technical, hands-on, and focused on building reliable distributed systems within a regulated environment. Key Responsibilities Design and build scalable, distributed systems handling high volumes of financial and transactional data Contribute … directly to architecture, system design, and hands-on software development Drive engineering best practices across automation, testing, observability, and performance Build resilient, production-grade systems with a strong focus on reliability and scalability Work across the full software development lifecycle from design through to production support Partner closely with ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Treasury, and Operations. In this role, you will play a pivotal role in shaping the backbone of Pave Bank, delivering scalable, reliable, and maintainable systems that power our core banking operations. You will design distributed systems, implement features end-to-end, mentor junior engineers, and collaborate across … quality software that accelerates the business. Responsibilities Design, build, and maintain backend services using Go or other strongly typed languages. Develop scalable, event-driven distributed systems that power critical banking operations. Collaborate with stakeholders (Product, Compliance, Treasury, Operations) to define requirements and deliver high-quality solutions. Write detailed ...

Senior Software Engineer - Merchant Solutions

Hiring Organisation
Jobleads-UK
Location
Belfast, Northern Ireland, United Kingdom
resilience mechanisms. Monitor and maintain services in production, diagnosing and resolving critical issues efficiently with minimal support. Participate in the architecture and design of distributed systems, ensuring best practices are followed for reliability and scalability. Take the initiative to improve the team's development processes and tooling, advocating … Deploy. Testing and Automation: Expert in unit, integration, and end‐to‐end testing practices, with a strong emphasis on automation for testing and deployment. Distributed Systems and Cloud Services: Strong knowledge of building and maintaining distributed systems, leveraging cloud platforms and services (e.g., AWS, MongoDB Atlas ...

Lead Ruby Engineer

Hiring Organisation
Oxbow Talent
Location
United Kingdom
organisation building modern, large-scale web platforms used by customers globally. This is an opportunity to join a highly collaborative engineering team working across distributed systems, modern APIs, scalable backend services and complex web applications. This role is ideal for a senior engineer who enjoys solving difficult technical … management or formal Tech Lead position. The successful candidate will remain hands-on and deeply technical while contributing at a senior level across architecture, systems design and engineering best practices. Responsibilities • Build and scale backend services within complex distributed systems • Develop modern web applications using React ...

Senior Software Developer - Relocation supported

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
Newcastle Upon Tyne, England, United Kingdom
risk technology platform in partnership with an established hedge fund. They’re creating a high-performance engineering hub in Newcastle, focused on building serious systems used in real financial decision-making. This isn’t a maintenance role. You’ll be joining a small, high-calibre engineering team building core … components of a live trading platform in a Microsoft stack, using modern C#/.NET to solve complex distributed systems problems at scale. What you’ll be doing You’ll work across the core platform used for trading and financial operations, including Designing and building high-performance backend ...

Staff AI Product Engineer -Python - London

Hiring Organisation
Transparent Technology
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Staff Product Engineer | London Hybrid/Remote | AI x FinTech | Python, AI Workflows, Distributed Systems | £120k-£200k + Equity A VC-backed AI company is rebuilding how accounting work gets done, using agentic workflows and AI automation to eliminate the high-volume operational work that has resisted meaningful … automation for decades. Working with some of the world's largest accounting firms, they are building enterprise-grade AI systems on top of ERP platforms like SAP, NetSuite and Workday to automate complex financial workflows at scale. They are looking for a Staff Product Engineer to own meaningful product ...

Senior Software Engineer - ETL Pipeline Orchestration Platform

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
capabilities offered by our sibling teams. If you join our team, you will be working on solving the fundamental problems in event‐driven orchestration systems using both open source technologies as well as in‐house ones. We are a multi‐lingual team taking care of python applications, performant queue … broker in Go to C‐based Python extensions and everything in between. If you have a knack for distributed systems or a love for orchestration platforms, join us! Future Initiatives Develop, deploy and integrate our internal priority queue system to mitigate head‐of‐line blocking issues and optimize ...

Senior Software Engineer - ETL Pipeline Orchestration Platform

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
capabilities offered by our sibling teams. If you join our team, you will be working on solving the fundamental problems in event-driven orchestration systems using both open source technologies as well as in-house ones. We are a multi-lingual team taking care of python applications, performant queue … broker in Go to C-based Python extensions and everything in between. If you have a knack for distributed systems or a love for orchestration platforms, join us! Future Initiatives Develop, deploy and integrate our internal priority queue system to mitigate head-of-line blocking issues and optimize ...

Manager, Engineering - Managed Services (Hybrid)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
here to stop breaches, and we’ve redefined modern security with the world’s most advanced AI-native platform. We work on large scale distributed systems, processing almost 3 trillion events per day and this traffic is growing daily**About the Role:**As a global leader in cybersecurity … here to stop breaches, and we’ve redefined modern security with the world’s most advanced AI-native platform. We work on large scale distributed systems, processing almost 3 trillion events per day and this traffic is growing daily.Our customers span all industries, and they count on CrowdStrike ...

AI Infrastructure Engineer

Hiring Organisation
Pro Contract Jobs Ltd
Location
York, North Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £800 to £1,000 per day
Infrastructure Engineer (GPU, Distributed Systems, AI Platforms) A leading AI business is hiring an AI Infrastructure Engineer who has experience with GPU, Distributed Systems & AI Platforms. Hybrid/Remote options available. Outside IR35. Paying between £800 to £1000 per day. Experience and skills required … Infrastructure Engineer, GPU, Distributed Systems & AI Platforms ...

Staff Site Reliability Engineer - Site Experience

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
intersection of infrastructure, product engineering, and user experience - ensuring that every interaction across web, mobile, APIs, feeds, media delivery, and real time systems is fast, reliable, and resilient. We are looking for a Staff Site Reliability Engineer to lead reliability engineering initiatives for critical user facing systems … operational excellence across the company's most business critical experiences. This is a highly technical leadership role for someone who thrives in large-scale distributed systems, enjoys solving complex reliability challenges, and can influence engineering culture across the organization. What you'll do: Lead Reliability Engineering for User ...

Senior Software Engineer - Flight Booking

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
providers. The team ensures that the wide selection of flight combinations available to our customers is booked successfully with our suppliers every time. Our systems map across a broad range of supplier technologies and capabilities, presenting a single unified gateway for flight booking to the wider business. Our mission … ensure that there are zero failed bookings . This is a role for engineers who enjoy solving large-scale, data-intensive, and distributed systems challenges that directly influence customer experience and business performance. What you’ll be doing day to day As a Senior Software Engineer in Flights ...