1 to 25 of 52 Remote/Hybrid Distributed Systems Jobs in London

Programmatic, you will contribute to the development and evolution of MOBKOI’s programmatic advertising platform. You will work closely with experienced engineers on backend systems that power real-time bidding (RTB), campaign delivery, and large-scale integrations with SSPs and DSPs.This role is well suited to engineers early … their career who want to deepen their expertise in distributed systems, low-latency services, and cloud-based infrastructure, while gaining exposure to the programmatic advertising ecosystem. You will be supported through mentorship, code reviews, and progressive ownership of backend components. RESPONSIBILITIES • Contribute to the development and improvement ...

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 ...

week onsite) Are you a senior, 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 … 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 ...

architectural decisions, and build automation that elevates deployment safety and operational efficiency. This is a hands-on, senior technical role with direct influence on systems that generate significant global revenue.Key ResponsibilitiesReliability & Risk Engineering* Identify systemic reliability risks and drive long-term preventative improvements* Define and refine SLIs, SLOs … teams to embed reliability into system designYOUR SKILLS & EXPERIENCERequired:* Degree in Computer Science, Engineering, or equivalent experience* 7+ years in SRE, Production Engineering, or Systems Engineering roles* Strong understanding of distributed systems, failure modes, and consistency models* Hands-on experience operating production workloads ...

engineering team. The role sits within the development function and works closely with the CTO, researchers, and trading teams to build and maintain the systems that support live trading strategies. The position focuses on developing production services, improving platform reliability, and helping move quantitative research into robust, scalable trading … successful candidate will take ownership of a number of backend services that support the trading platform. This includes developing new functionality, maintaining existing systems, and improving operational tooling across the production environment. You will work closely with quantitative researchers and traders to translate research ideas into production-ready systems ...

Hybrid - 1 day onsite, 4 days remote) Overview We are seeking a Senior Engineer to deliver across key Identity-focused workstreams within a modern, distributed engineering environment. You will bring a strong backend engineering foundation alongside hands-on delivery capability, operating across multiple services and components. This role requires … continuous improvement. You will work within a structured delivery framework while maintaining a strong focus on product impact, security, and customer outcomes. As identity systems increasingly interact with automated and AI-enabled workflows, we value engineers who stay aware of emerging security considerations within these modern environments. Core Technical ...

typical feature-delivery role. This is an opportunity to help redefine how goods move in the digital economy- working at the intersection of distributed systems, routing algorithms, machine learning, and real-world operational systems. The Team Close to 100 people globally and will be looking to almost double … Data Culture built around experimentation, high standards and rapid feedback loops You'll work closely with senior engineering leadership who have previously scaled large distributed systems and ML-driven platforms at global technology companies. Tech Environment Backend systems currently built in Python, looking to move to Golang ...

where you'll split your time between writing production code and mentoring engineers. You'll lead a cross-functional engineering team working across our distributed platform stack. You're accountable for your team's execution, code quality, testing practices, and continuous improvement. This is NOT a product management role … leading or mentoring engineers Strong expertise in Python backend development with async patterns Production experience with modern frontend frameworks (React, TypeScript) Solid understanding of distributed systems architecture and API design Experience with container orchestration, CI/CD, and cloud platforms Experience with NoSQL databases and data modelling Daily ...

expertise and hands-on experience building or supporting enterprise-grade platforms. This role is ideal for someone who has worked on complex, high-performance systems such as trading platforms, financial systems, or other large-scale enterprise applications. Key Responsibilities: Design, develop, and maintain scalable backend services using Python … Build and enhance REST APIs and microservices Work on high-throughput, low-latency systems Deploy and manage applications on AWS cloud infrastructure Collaborate with cross-functional teams including DevOps and architecture Optimize performance, scalability, and system reliability Work with SQL/NoSQL databases and large datasets Required Skills & Experience ...

standards, influencing architectural improvements, managing complex incidents, and building automation to improve deployment safety and operational efficiency. Your work will directly support high-traffic systems used by a global audience. Key Responsibilities Reliability & Risk Engineering My client is looking for someone who can: Identify systemic reliability risks and drive … client is looking for candidates with: A degree in Computer Science, Engineering, or equivalent practical experience Strong experience designing and operating CI/CD systems with deployment safety practices Excellent communication skills with the ability to influence cross-functional teams 7+ years of experience in SRE, production engineering ...

with container orchestration tools such as Kubernetes, Docker Swarm, or HashiCorp Nomad. Excellent problem-solving, communication, and collaboration skills. Nice to have: Experience managing distributed systems, microservices, and event-driven architectures. Knowledge of observability tools such as Prometheus, Grafana, ELK Stack, or Datadog. Experience with security best practices ...

features end-to-end, from idea to production with a strong feedback loop from real users • Improving system performance, reliability, and observability across a distributed environment • Contributing to a modern DevOps culture with CI/CD, automated testing, and infrastructure as code Tech stack: React, Node.js (Nest.js), Python/… FastAPI, AWS (ECS), PostgreSQL, Kafka, Terraform, GitHub CI/CD Testing: Jest, Cypress, Pact, Pytest What they’re looking for: • Strong experience building distributed systems/microservices architectures • Deep hands-on expertise with Node.js and React • Solid understanding of API design, event-driven systems, and contract testing ...

office and 2 days remote) Position: Full-time (Permanent Role) We are building a next-generation AI innovation hub focused on developing advanced agent systems that operate seamlessly across mobile, edge, and cloud environments. Our mission is to design scalable, production-ready AI platforms that bring cutting-edge foundation … agentic orchestration into real-world applications at global scale. You will join a high-caliber team of engineers and researchers shaping large-scale AI systems that serve millions of users across diverse device ecosystems. This is a rare opportunity to define foundational agent infrastructure in a rapidly evolving ...

Java-based environments. Strong expertise in AWS services (eg, EC2, Lambda, S3, RDS, API Gateway, ECS/EKS). Proven experience designing microservices and distributed systems. Solid understanding of cloud architecture patterns and DevOps practices. Experience with containerisation (Docker, Kubernetes). Strong knowledge of RESTful APIs and integration patterns. ...

cloud optimisation initiatives What We're Looking For Strong commercial experience as a Senior Ruby or Ruby on Rails Engineer Deep understanding of distributed systems and cloud-based application design Extensive hands on experience with AWS Solid background in building scalable APIs, microservices, and Back End systems ...

Level .NET/Full Stack Developer – Hybrid – £450/day Outside IR35 | C# | Azure | Event-Driven Systems | Payments | API-Driven We have a great opportunity for a Mid-Level .NET/Full Stack Developer to join a growing payments company. As a .NET Developer , you’ll be working … high-volume transaction processing. This is a hands-on development role where you’ll work closely with senior engineers to deliver reliable, scalable systems while continuing to develop your technical expertise within a modern fintech environment. Working closely with Product, Data, Risk, and Platform teams , you’ll help build ...

This is a chance to work at serious scale, solving complex data problems for enterprise organisations with tens of millions of users, while building systems that directly drive commercial impact. The Opportunity You’ll play a key role in designing, building, and scaling cloud-native data platforms that transform … help create fast, resilient, and secure data pipelines that teams across the business depend on daily. If you enjoy building production-grade data systems, optimising performance under real-world load, and owning platforms end-to-end, this role will suit you well. What You’ll Be Doing Designing ...

senior technical leader responsible for designing, scaling and optimising large-scale infrastructure. You’ll work closely with engineering leadership to ensure systems are resilient, observable and built for global scale. What you’ll be doing Designing and evolving distributed, multi-region infrastructure Solving complex scaling, reliability and performance … code, automation and secure-by-design practices Collaborating across engineering, product and security teams What they’re looking for Significant experience building and operating distributed systems at scale Strong cloud background (AWS/Azure), Terraform and Kubernetes Experience with observability tooling (Prometheus, Grafana, EFK) and messaging systems ...

development skills including TypeScript backends, microservices, APIs, React and also ideally React Native or Kotlin for mobile development You have a good understanding of distributed systems, RDBMS (Oracle) and data modelling trade-offs You have a good understanding of cloud native architecture and modern engineering practices such …/CD, Test Automation, monitoring and observability You have an interest in AI and agentic systems, ideally having used in a commercial setting You're collaborative and pragmatic, comfortable working closely with Product Managers to explain technical aspects and trade-offs to shape delivery plans that balance speed, quality ...

fast-moving team working on projects that support a large, multinational tech ecosystem. What We're Looking For Strong Go (Golang) development experience - production systems, performance, concurrency. Proven background in AI for coding (e.g., agent frameworks, LLM-powered tooling, AI code generation, or workflow automation). Hands-on experience … developing or integrating with LLM-based systems (Claude, Cursor, OpenAI, etc.). Experience with distributed systems, microservices, or platform engineering. Comfortable working in a fast-paced, experimental environment where the tech evolves every week. Why This Contract Is Exceptional You'll work in a brand-new domain ...

hands-on) , leading a small backend pod while remaining closely involved in development. You’ll be responsible for building and evolving core backend systems that support investment workflows, financial data processing and trading-related operations. What You’ll Be Working On Building scalable backend services in Python Designing systems … workflows Leading architecture and technical design for new features Running a small engineering pod and guiding delivery Improving reliability, performance and resilience of core systems Mentoring engineers and raising engineering standards across the team What We're Looking for Extensive experience with commercial Python backend development Experience building production ...

stack applications using React and modern JavaScript/TypeScript Contribute to system design, architecture, and technical decision-making Build robust APIs and integrate with distributed systems and AI services Deploy and optimise applications within Microsoft Azure Support CI/CD and cloud-native, containerised environments Key Experience Strong … commercial experience with Python in production environments Solid full-stack capability, with React on the Front End Proven experience designing scalable, high-performance systems Hands-on experience deploying applications to Azure Experience with APIs, microservices, and Docker Nice to Have Experience integrating LLMs or AI services (eg OpenAI, Azure ...

integration into the monitoring strategy Integrate and monitor interfaces across: > Azure Integration Services > MuleSoft Define and implement logging, alerting and performance monitoring strategies across distributed systems Required Skills and Experience Strong hands on experience with New Relic including APM, Logs, Infrastructure, Alerts and Dashboards Solid background in Application … programme focuses on modernising an enterprise integration landscape, replacing legacy middleware platforms with a future proof cloud based architecture. Observability and transparency across systems, APIs and interfaces are critical to the programme’s success. What We Offer Fully remote contract engagement Opportunity to shape the observability architecture within ...

integration into the monitoring strategy Integrate and monitor interfaces across: > Azure Integration Services > MuleSoft Define and implement logging, alerting and performance monitoring strategies across distributed systems Required Skills and Experience Strong hands on experience with New Relic including APM, Logs, Infrastructure, Alerts and Dashboards Solid background in Application … programme focuses on modernising an enterprise integration landscape, replacing legacy middleware platforms with a future proof cloud based architecture. Observability and transparency across systems, APIs and interfaces are critical to the programme’s success. What We Offer Fully remote contract engagement Opportunity to shape the observability architecture within ...