476 to 500 of 852 Distributed Systems Jobs in London

Lead Performance Tester (SC Eligible/Cleared)

Location
Greater London, England, United Kingdom
live readiness Drive continuous improvement, innovation, and best practices in performance Essential Skills & Experience Extensive experience leading performance testing for large-scale systems Strong background in performance engineering , not just tool execution Proven ability to make design and architectural recommendations Experience with cloud platforms (especially AWS ) Deep understanding … Distributed systems Microservice architecture Scalability, resilience, and capacity planning Confident stakeholder engagement at technical and leadership levels Experience operating in governed or regulated environments Desirable Public-sector or government programme experience Experience with APM, monitoring, observability, or AI-assisted analysis Familiarity with GDS or enterprise assurance frameworks Scope ...

Mid-Level Backend Engineer - Driver Squad

Location
Greater London, England, United Kingdom
heart of it. If you love getting stuck into meaty backend problems with real purpose, you'll feel right at home building the complex, distributed systems behind HIVED's emission‐free delivery network. Every feature you ship puts the right information in a driver's hands at exactly … very last drop of the day. In the Driver Squad, you'll take genuine ownership of problems across the backend systems and tooling that keep our drivers moving. You'll drive features end‐to‐end, from discovery through to deployment and monitoring, scoping the solution, weighing the trade‐offs ...

Algo Developer - 6 to 12 month contract

Location
Greater London, England, United Kingdom
Title: Algo Developer - 6 to 12 month contract Job Code: 13875 Country: GB City: London Role Description Nomura’s proprietary algorithmic trading systems that address our client’s diverse range of trading styles and goals. The platform trades a significant portion of client order flow per day globally … development teams with regards to priorities and progress of various tasks and projects. If necessary, help manage projects for the implementation of new systems or system upgrades. Requirements Essential: Experience in design and development of algorithmic trading system for equity markets. Hands on experience coding and developing algorithmic trading ...

Senior Field Product Engineer

Location
Greater London, England, United Kingdom
operate AI-native infrastructure platforms engineered for sovereignty, performance, and scale — powering GPU-native workloads, multi-tenant control planes, and high-performance AI systems for the most demanding environments. We are building purpose-built AI infrastructure from powered land, to compute, to software. As we scale our operations … while avoiding one-off solutions that do not scale. Qualifications: Strong software or infrastructure engineering experience, ideally in cloud, platform engineering, developer tooling, or distributed systems. Comfortable working directly with technical customers in high-trust environments. Strong understanding of: Cloud infrastructure: compute, storage, networking, Kubernetes, containers Developer tooling: APIs ...

AWS Java Architect for Scalable Financial Apps

Location
Greater London, England, United Kingdom
Luxoft Financial Services, part of DXC Luxoft, is seeking a seasoned Java developer to upgrade legacy systems, migrate to stateless microservices, and implement Kafka-based event-driven integrations. The role emphasizes high performance, security, and reliability in a demanding financial services environment. You will work across large-scale distributed systems, align with modern software practices, and collaborate with QA, DevOps, and architecture teams to deliver robust solutions. #J-18808-Ljbffr ...

Radio Frequency Engineer Physical Products London; Oxford

Location
Greater London, England, United Kingdom
it. That linkdoesn'tget to be an afterthought. As an RF Engineer on the Physical Products team,you'lldesign and integrate the radio frequency systems that make our platforms work in the real, contested electromagnetic environmentsthey'rebuilt for,not a clean lab bench.You'llwork across the full chain, from … size, and cost trade-offs for a given platform and mission Own link budget analysis for communications, telemetry, and/or seeker/radar systems,translating range, data rate, and reliability requirements into a defensible RF architecture Work on resilience to a contested electromagnetic environment,jamming, spoofing, and interference ...

Senior C++ Engineer

Location
Greater London, England, United Kingdom
trading firm, is seeking a Senior C++ Engineer to join their core engineering team. This role focuses on building and optimising ultra low-latency systems that sit at the heart of trading operations. You’ll work on highly performant infrastructure where speed, reliability, and precision are critical to success … global markets. Key Responsibilities Design and develop high-performance C++ systems for low-latency trading environments. Optimise and maintain critical components of trading infrastructure to ensure maximum efficiency and reliability. Work on large scale, distributed systems that handle real time data and execution. Collaborate with trading ...

Senior Backend Engineer, Squad T-Rex

Location
Greater London, England, United Kingdom
wallet and the accounts infrastructure that the rest of NALA stands on. We need a strong Senior/Lead Engineer (ideally with financial systems experience) who can take ownership of figuring out the right ways to build a robust wallet & foundation that can scale with us. Your Responsibilities … milestones, and keeping projects moving end to end Make pragmatic trade-offs: move fast where we can, protect correctness where we must (especially in systems handling real customer money) Join our on-call rota once a month for 1 week (This will be fully compensated + post onboarding) Read ...

Senior Product Engineer

Hiring Organisation
Avanti Recruitment
Location
Southwark, Greater London, Chaucer, United Kingdom
Employment Type
Permanent
Salary
£80000 - £90000/annum
design and build appropriate solutions. Some projects will involve developing entirely new functionality, while others will focus on extending existing products or integrating with systems used by financial institutions. There is a strong emphasis on delivering software through to production. The expectation is that engineers take responsibility … Full-stack development experience, ideally including React or another modern JavaScript framework. Experience with AWS or comparable cloud environments. An understanding of software architecture, distributed systems and modern development practices. Experience taking responsibility for software throughout the development lifecycle. An interest in AI-assisted software development ...

Senior Field Engineer

Location
Greater London, England, United Kingdom
ecosystem, our world-leading software is trusted by defence organisations and militaries worldwide. We specialise in AI-powered digital training, wargaming and Command & Control systems that help users understand complexity, make better decisions, and operate at scale. Joining Hadean means working on technology with real-world impact, alongside … delivery. Skills required: Strong software engineering fundamentals and hands‐on experience working with complex technical systems. Experience designing, integrating and deploying software across multiple systems and environments. Strong knowledge of networking, infrastructure, systems integration, and software installation and configuration. Experience producing technical architecture and design documentation, such ...

Software Engineer III - Backend Engineer - Chase UK

Location
Greater London, England, United Kingdom
delivering an outstanding banking experience to our customers. You will work in a collaborative environment as part of a diverse, inclusive, and geographically distributed team. We are seeking individuals with a curious mindset and a keen interest in new technology. Our engineers are naturally solution-oriented and possess … optimized for our needs. Keep an eye on performance, making sure we use the right approach to identify and solve problems. Ensure our systems are reliable and easy to operate. Keep us up to date by continuously updating our technologies and patterns. Support the products you've built through ...

SRE, London

Location
Greater London, England, United Kingdom
could do here! Join Apple, and help us leave the world better than we found it.The Apple Services Engineering (ASE) team builds and provides systems and infrastructure that fuel Apple’s services (such as iCloud, iTunes, Siri, and Maps). We are the foundation on which Apple’s software … highest quality Apple Services experience. Our services have to scale globally, stay highly available, and "just work." If you love designing, engineering and running systems and infrastructure that will help millions of customers, then this is the place for you! Description FoundationDB infrastructure is BIG. Operating at our scale ...

Senior ML Platform Engineer (Agentic Platform) Location: London

Location
Greater London, England, United Kingdom
Preply's AI strategy. As a Senior ML Platform Engineer, you'll build the infrastructure that takes agent prototypes to production. You'll solve distributed-systems problems in long-running, non-deterministic workflows that depend on tools, human decisions, and changing context. This is a hands-on senior … infrastructure handling production traffic. Strong Python skills and experience building developer-facing APIs/SDKs or shared libraries. Experience building GenAI-powered or agentic systems using tool or function calling, structured outputs, and multi-step workflows. AI Expertise: You're a forefront user of Agentic AI. You're able ...

Senior Backend Engineer I - Account Insights

Hiring Organisation
Wise
Location
Greater London, United Kingdom
Employment Type
Full Time
Salary
87500 to 111000 GBP Annually
security. Deep backend fundamentals and strong proficiency in your primary language (we work mainly in Java/Spring Boot), plus a solid grasp of distributed-systems concepts like asynchronous communication and event streaming. Written well-tested, high-quality code, design systems with a long-term view ...

Lead Platform Infrastructure Product Engineer

Location
Greater London, England, United Kingdom
operate AI-native infrastructure platforms engineered for sovereignty, performance, and scale — powering GPU-native workloads, multi-tenant control planes, and high-performance AI systems for the most demanding environments. We are building purpose-built AI infrastructure from powered land, to compute, to software. As we scale our operations … concepts from prototype through to production‐quality services. Qualifications: Strong software and infrastructure engineering experience, ideally across cloud platforms, infrastructure products, developer platforms, or distributed systems. Deep understanding of: Cloud infrastructure: compute, storage, networking, Kubernetes, containers Platform engineering: provisioning, orchestration, IAM, observability, automation Developer tooling: APIs, SDKs, CLIs ...

Software Dev Engineer II

Location
Greater London, England, United Kingdom
design, implement, and bring to market innovative software solutions that enhance customer experiences. System Design: Architect and develop scalable, reliable, and cost-efficient distributed systems tailored to meet performance and operational goals. Code Quality: Experience programming with at least one modern language such as Java, C++, or C# … software development practices, improving efficiency and scalability. Requirements Experience: 3+ years of professional software development experience, with a strong foundation in building and maintaining distributed systems. Proficiency in modern programming languages such as Java, C++, or Python. Education: Bachelor’s degree in Computer Science, Software Engineering, or a related ...

Senior Product Engineer

Location
Greater London, England, United Kingdom
design and build appropriate solutions.Some projects will involve developing entirely new functionality, while others will focus on extending existing products or integrating with systems used by financial institutions.There is a strong emphasis on delivering software through to production. The expectation is that engineers take responsibility for the full lifecycle … services and integrations.Full-stack development experience, ideally including React or another modern JavaScript framework.Experience with AWS or comparable cloud environments.An understanding of software architecture, distributed systems and modern development practices.Experience taking responsibility for software throughout the development lifecycle.An interest in AI-assisted software development and how these tools ...

Global Banking & Markets - Software Engineer- Credit Engineering - Vice President - London

Location
Greater London, England, United Kingdom
multi-threaded and concurrent applications. Proficiency inTypeScript,React,HTML5/CSS3, and state management (Redux/Zustand). Experience with real-time data processing, distributed systems, and multi-threaded programming. Demonstrated experience in electronic trading or financial markets, understanding the commercial implications of system performance and reliability. Ability … capital with ideas. Solve the most challenging and pressing engineering problems for our clients. Join our engineering teams that build massively scalable software and systems, architect low latency infrastructure solutions, proactively guard against cyber threats, and leverage machine learning alongside financial engineering to continuously turn data into action. Create ...

Database Reliability Engineer

Location
Greater London, England, United Kingdom
PostgreSQL Experience: You have hands‐on experience working with Postgres databases. You understand core database concepts like query execution, indexing, locking, and performance tuning Systems Thinker: You believe infrastructure and database orchestration should be driven programmatically via Terraform and custom Java automation Distributed Systems Enthusiast ...

Engineering Manager, Connectivity - London

Location
Greater London, England, United Kingdom
connected AI. As agents take on more real-world work, we're taking a leading role in defining how they get access to external systems — safely, with the right permissions, and in ways enterprises can trust. We ship for claude.ai , Claude Code, Cowork, and the API. … technical background in backend or platform engineering, with the depth to guide architectural decisions and engage credibly in technical discussions Experience operating production distributed systems, with an understanding of what reliability, observability, and incident response require at scale Excellent communication skills, with the ability to build consensus across ...

Platform Systems Engineer: Scalable AI Infra & Observability

Location
Greater London, England, United Kingdom
global AI research company in London is seeking a Software Engineer for Platform Systems to enhance large-scale AI training infrastructure. Key responsibilities include designing failure detection systems, improving observability, and collaborating with various teams to ensure the platform's reliability. Ideal candidates should have experience in distributed systems, performance optimization, and debugging complex issues. Join us in shaping the future of AI technology with state-of-the-art engineering solutions. #J-18808-Ljbffr ...

Platform Systems Engineer: Scalable AI Training & Telemetry

Location
City Of London, England, United Kingdom
leading AI research company seeks a Software Engineer for its Platform Systems team in London. The role focuses on designing and building distributed systems for visibility into AI training workloads. Candidates should have a background in performance analysis, debugging, and distributed systems. This position offers ...

Senior Python / C++ Software Engineer

Location
Greater London, England, United Kingdom
required but will be considered as a strong plus. Strong understanding and experience with Linux system programming fundamentals Ability to develop large‐scale, distributed systems Strong understanding of data structures, algorithms, high‐performance application design, and concurrency patterns. Self‐motivated and able to work independently with minimal direction … Proficiency in English An outstanding candidate will also have experience with one or more of: Developing systems for managing and performing computation on large‐scale graph data Streaming/dataflow systems Candidates need not have prior experience in financial services. #J-18808-Ljbffr ...

Head of Engineering

Location
Greater London, England, United Kingdom
long‐term technical strategy. Assess the current system, identify critical risks and bottlenecks, and build a clear technical roadmap. Design scalable and reliable systems for payments, payroll, external integrations, and sensitive financial data. Make key architectural decisions that balance product speed, security, reliability, and maintainability. Stay close … hands‐on experience in software architecture and technical leadership. Experience building or scaling fintech, payments, banking, payroll or another transactional product. Deep understanding of distributed systems, external integrations, infrastructure, security and reliability. Strong ability to perform deep code reviews, challenge architectural decisions, and solve complex production issues. Experience ...

Member of Technical Staff - X Money

Location
Greater London, England, United Kingdom
About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. … reliability decisions for high‐concurrency, low‐latency systems. Uphold engineering excellence via testing, monitoring, deployment, and secure data handling. BASIC QUALIFICATIONS: Proficiency in distributed systems for high‐scale, low‐latency environments; languages like Rust, Go, Python & Java, and high volume streaming systems. 2+ years of experience working ...