1 to 25 of 154 Permanent Distributed Systems Jobs in London

Senior Software Engineer | Distributed Systems | Sustainable Cloud Native Platform 💸Up to £110,000 per annum plus bonus plus stock 🏠Central London office 🖱️Golang, Rust, C, Kubernetes, Linux, Cloud Native, Distributed systems... Are you a Senior Software Engineer with extensive knowledge of building distributed systems? Looking … Senior Software Engineer: Tech agnostic but preferable experience working with Golang, Rust, C/C++ or Java. In-depth knowledge of distributed systems, building solutions at scale where performance, reliability and availability are key considerations. Experience working on software infrastructure or building Cloud native software using Kubernetes Understanding ...

Lead Software Engineer | Distributed Systems | Sustainable Cloud Native Platform 💸Up to £130,000 per annum plus bonus plus stock 🏠Central London office 🖱️Golang, Rust, C, Kubernetes, Linux, Cloud Native, Distributed systems... Are you a Lead Software Engineer with extensive knowledge of building distributed systems? Looking … Lead Software Engineer: Tech agnostic but preferable experience working with Golang, Rust, Java and/or C/C++. In-depth knowledge of distributed systems, building solutions at scale where performance, reliability and availability are key considerations. Confident in leading the definition and creation of solutions from ...

requiring strong engineering standards and end-to-end ownership. You will be part of a small, senior engineering team responsible for designing and building distributed systems that handle high volumes of data and transactions. The role is hands-on, with a strong focus on system design, development … production reliability. Key responsibilities include: Designing and building scalable, distributed systems using modern architectural patterns Owning the full software development lifecycle from requirements through to production and support Developing and maintaining microservices and APIs Ensuring systems are reliable, observable, and secure Driving engineering best practices across testing ...

ALERT 🚨 – Lead Java Contractor 💻 Java/Distributed Systems/Event-Driven Architecture – Trading & Portfolio Tech 🕑 10+ years building high-performance, data-intensive trading systems 📍London (front-office, high-impact engineering environment) 💰 Highly competitive day rate Highlights: 🔷 Lead the design and build of scalable trading & portfolio management systems for the Credit desk 🔷 Work directly with portfolio managers and traders to deliver real-time, business-critical technology 🔷 Architect event-driven, distributed systems with strong focus on performance, resilience, and observability 🔷 Drive technical direction across microservices, data streaming, and system design in a fast-moving environment ...

wherever business needs require. Core areas of depth may include one or more of: Web/Front-end engineering Java/AWS backend and distributed systems React Native Android (Kotlin) iOS (Swift) Successful candidates demonstrate deep expertise in at least one of these areas while maintaining practical experience … across others. This role suits engineers who are highly autonomous, delivery-focused, and capable of owning technical design and execution for complex features and systems, while contributing to team growth and technical direction. What you’ll do: Engineering delivery & technical ownership Design, build, and deliver high-quality software across ...

Lead Software Engineer Contract to Permanent Hybrid (London) Rates negotiable Most streaming platforms struggle to scale backend systems properly you’ve seen it. This role is about building the infrastructure that actually holds up under real-world production demand. Why This Role Leading major media/streaming end client … Real ownership of backend systems at scale Solving complex distributed systems problems in a high-traffic environment The Company/Product You’ll be working on a large-scale streaming platform powering millions of users, building and scaling backend systems that support critical services across ...

integrate into daily life and amplify human capacity. We are building large-scale compute infrastructure for training next-generation robotics models, including transformer-based systems like VLA. This role focuses on designing and operating multi-GPU, cross-cloud platforms that enable efficient, reliable, and scalable model training. … work at the intersection of DevOps, MLOps, and distributed systems, helping push the limits of real-world AI. What You’ll Do: Design, build, and operate scalable multi-GPU infrastructure across cloud environments (AWS, GCP, etc.) Own the reliability, performance, and cost-efficiency of model training platforms Develop ...

time trading activity every day. They are continuing to invest heavily in engineering, platform resilience, and product growth, with a strong focus on modern systems, high standards, and sustainable delivery. The role This is a senior engineering opportunity within a specialist Site Reliability Engineering team focused on performance, uptime … with reliability engineering. You’ll be involved in designing and building internal tooling, improving observability, automating operations, supporting development teams, and helping ensure trading systems remain stable, scalable, and high performing. It would suit someone who enjoys solving technical problems at scale and wants to work close to production ...

Fully onsite role in Richmond, London Strong focus on Go, Linux, and low-level networking Opportunity to work on high-performance, distributed systems ABOUT THE CLIENT We're working with a fast-growing and highly technical organisation building scalable, high-performance systems. Due to continued investment and product … building robust, production-grade systems. THE BENEFITS Work alongside highly skilled engineers in a technical environment Opportunity to work on complex, high-impact systems Clear progression within a growing team Ongoing learning and development support Stable, well-funded organisation with ambitious growth plans THE GOLANG ENGINEER ROLE ...

Backend Software Engineer you will join a growing team building a modern medallion architecture data platform, working across everything from data engineering and distributed systems to infrastructure and frontend. This is a hands-on role in a small, collaborative team where you'll have real ownership and impact. … Your role: Design and build data platform components using C# and Python Develop and optimise ETL pipelines, Data Lakes/Lakehouses and distributed systems Improve infrastructure, observability and CI/CD practices Maintain and evolve existing systems (microservices, ETL, Excel add-ins) Support platform operations, ensuring reliability ...

components of a Kubernetes-based platform Developing tooling and services to support large-scale, multi-tenant environments Working on scheduling, orchestration, and performance of distributed systems Contributing to platform reliability, scalability, and efficiency Collaborating closely with infrastructure and platform teams Writing production-quality code and improving engineering standards … Scale/environment High-throughput distributed systems processing millions of workloads daily Infrastructure spanning large compute clusters and GPU workloads Highly automated environment with continuous deployment and change Performance-sensitive systems with real scale challenges What they’re looking for Strong software engineering background Experience with Kubernetes ...

improve scalability, evolve architecture, and still ship. I like that balance. Less pontificating, more building. What you’ll do Design and build reliable, scalable systems that hold up under load. Lead on architecture decisions. Pick the right pattern for the problem. Mentor engineers. Model high-quality code and thoughtful … reviews. Ship usable product. Measure impact. Iterate quickly. What you’ll bring Senior to Staff-level experience building distributed systems at scale. Strong technical depth across backend and either frontend or data. Pragmatic problem solving. You know when to go simple and when to go deep. A genuine ...

looking for a high-calibre Solution Engineer with a passion for performance and capital markets technology to deliver complex, front-office trading systems for leading global investment banks, asset managers, fintechs and exchanges. This role sits at the intersection of engineering excellence, client engagement, and strategic delivery — working hands … latency trading solutions in capital markets environments Contributing directly to the codebase on the most technically challenging aspects of client deliveries Architecting performant, resilient distributed systems informed by deep domain knowledge Building solutions across OMS, EMS, Smart Order Routing, Matching Engines, FIX gateways and Risk platforms Working with ...

Lead .NET/Full Stack Developer - Hybrid - £700/day Outside IR35 | C# | Azure | Event Driven Systems | Payments | API Driven We have a unique opportunity for a Lead .NET/Full Stack Developer to join a payments company. As the Lead .NET/Full Stack Developer , you’ll play … closely with Product, Data, Risk, and Platform teams , you’ll help evolve the platform architecture and ensure the delivery of secure, scalable, and resilient distributed systems within a regulated fintech environment. 📍 2–3 days per week in the office – City of London 💰 Up to £700/day Outside ...

London (Hybrid) Define how a complex, real‐world system scales — technically and organisationally. At sees.ai, we’ve built a system that enables unmanned aerial systems to carry out inspections of critical national infrastructure, making these missions repeatable, scalable, and commercially viable for asset owners. This is not a prototype … stack, while staying close enough to the system to ensure decisions hold up in the real world. You’ll work across: Flight and mission systems Operator interfaces and 3D environments Connectivity and distributed systems Simulation, testing, and data pipelines Your primary impact will be in: Defining architecture ...

Looking to build ultra-high-performance systems used by millions, while working fully remote in one of the most exciting spaces in tech? Software Engineer (C++) - Leading Crypto Trading Platform Salary: up to £160k + bonus + RSUs Location: Fully Remote in UK & Ireland We're partnered with … Engineers to join their Trading Technology team. This is a unique opportunity to work on the core of a world-class trading platform, developing systems that demand extreme performance, reliability, and scalability in a low-latency, high-throughput environment. What you'll be working on: Designing and building components ...

complex, high-impact problems at scale. The Opportunity You will work at the intersection of advanced engineering and quantitative finance, building highly performant, scalable systems that directly power trading strategies and research workflows. This is a front-office role with immediate impact on PnL, collaborating closely with world-class … quants, researchers, and technologists. Key Responsibilities Design and develop low-latency, high-throughput trading systems and research infrastructure Work closely with quantitative researchers to translate models into production-grade systems Optimise performance across distributed systems handling large-scale financial data Contribute to architectural decisions ...

functional collaboration, and full lifecycle responsibility. Role Overview: Position operating across software, infrastructure, and operations to ensure reliability, scalability, and performance of a globally distributed compute platform. Close collaboration with networking, platform engineering, and physical infrastructure teams to design and operate systems supporting high-demand computational workloads. Hands … engineering role requiring strong systems expertise, with responsibility for resolving complex production issues, improving system resilience, and enhancing platform observability. Responsibilities Deployment and management of large-scale compute clusters using automation tooling, with adaptation to customer requirements Validation and optimisation of compute, storage, and networking systems in coordination ...

senior/lead hands-on Engineer who thrives in event-driven, asynchronous environments? Do you enjoy building low-latency, high-throughput distributed systems where correctness, resilience, and performance really matter? This is an opportunity to work at the core of real-time payments infrastructure, helping to power instant … scale. What You’ll Be Doing You’ll play a senior individual-contributor role within a high-performing engineering team, building asynchronous, message-driven systems designed for scale, resilience, and near-zero downtime. Design and implement high-throughput, low-latency systems processing millions of real-time payment events ...

backend architecture, APIs, and microservices that power an AI assistant operating in real-time production environments. You'll design and build scalable systems using Node.js and TypeScript, working across REST APIs, event-driven architecture, data pipelines, and distributed systems, ensuring performance, reliability, and scalability as the platform … building and maintaining scalable backend services, APIs, and integrations, designing microservices and event-driven architectures, implementing CI/CD, observability, and monitoring, and ensuring systems are secure, reliable, and performant. You'll also play a key role in technical strategy, code quality, and engineering standards, helping shape the future ...

senior/lead hands-on Engineer who thrives in Banking, Financial Services or Payments environments? Do you enjoy building low-latency, high-throughput distributed systems where correctness, resilience, and performance really matter? This is an opportunity to work at the core of real-time payments infrastructure, helping … scale. What You’ll Be Doing You’ll play a senior individual-contributor role within a high-performing engineering team, building asynchronous, message-driven systems designed for scale, resilience, and near-zero downtime. Design and implement high-throughput, low-latency systems processing millions of real-time payment events ...

London, United Kingdom | Posted on 21/04/2026 About the Company At sees.ai, we’ve built a system that enables unmanned aerial systems to carry out inspections of critical national infrastructure, making these missions repeatable, scalable, and commercially viable for asset owners. This is not a prototype … entire software stack while staying close enough to the system to ensure decisions hold up in the real world. Work across flight and mission systems, operator interfaces and 3D environments, connectivity and distributed systems, and simulation, testing, and data pipelines. Define architecture and technical strategy, drive engineering ...

Type: Full-time Seniority: Senior Level Salary: £85,000 + Bonus Are you a highly experienced Software Engineer ready to take ownership of complex systems and drive engineering excellence in a fast-paced environment? We're looking for a Senior Software Engineer to play a key role in designing … cloud-based platforms. This is an opportunity to act as a technical leader: influencing design, championing best practices, and building robust, secure, and maintainable systems while working in a collaborative, high-performing team. What You'll Do Design, build, and maintain scalable full-stack applications using modern technologies Lead ...

Graduate Quant Software Engineer (C++/Java – Trading Systems) | £55,000–£77,000 | Hybrid (London/Remote) Build technology that powers real trading. Join a high-performance engineering team developing low-latency, resilient backend systems used in live trading environments. You’ll work on complex technical challenges from … Quant-Engineering tracks within 12–24 months. What You’ll Do Design, build, and optimise backend components of real-time trading and risk systems Develop clean, efficient, high-performance code in C++ and Java Work closely with traders, quants, and senior engineers to deliver new features Solve complex problems ...

Opportunity This role sits at the intersection of architecture, engineering, and business strategy . You'll take ownership of architectural direction across a globally distributed engineering function , working closely with senior stakeholders to shape how the platform evolves - both technically and commercially. This isn't governance from a distance … stack. What You'll Be Doing Define and own the platform architecture strategy across multiple teams and regions Drive the transition from legacy systems to cloud-native architecture Ensure systems are scalable, resilient, and built for long-term growth Partner closely with engineers to embed modern development practices ...