1 to 25 of 59 Remote Distributed Systems Jobs in the City of London

Job Title: Software Engineer (Distributed Systems & ML Infrastructure) Client: Elite Tech Firm Salary: Up to £220k Base + Industry-Leading Bonus Location: London (Hybrid) Sells: Work on next-gen distributed systems and ML infrastructure, take ownership of multiple greenfield builds, zero bureaucracy, a genuinely collaborative culture, stunning offices, and dedicated time for personal projects every Friday … An Elite FinTech firm is expanding its world-class engineering team and looking for exceptional Software Engineers who thrive on solving complex distributed problems at scale. You’ll be joining an elite group of engineers (alumni of NUS/McGill/MIT/Oxford) who have previously built systems at Meta, Twitter, Citadel, Ubisoft, and Jane Street ! This … environment offers unlimited tech resources , total engineering autonomy, and a culture that genuinely celebrates innovation and curiosity. Role Design and build high-performance, distributed systems for large-scale ML infrastructure Drive best practices in software architecture, testing, and scalability Lead and collaborate on multiple greenfield initiatives focused on performance, reliability, and scale Skills Open to all experience levels More ❯

Java Software Engineer About us: AI-driven cybersecurity company based in London, building next-generation defence systems that help organisations detect, prevent, and respond to emerging threats in real time. Our platform leverages advanced machine learning, distributed systems, and secure cloud architectures to protect millions of users worldwide. As we scale, we’re looking for talented Java … DevOps engineers, and product teams to deliver secure, scalable, and high-performance services. What You’ll Do: Develop and maintain Java-based microservices using Spring Boot Build highly available, distributed systems for real-time threat intelligence Collaborate on architecture, API design, and system optimisation Implement secure coding practices and contribute to our cybersecurity standards Work in a cloud … reliable, enterprise-grade features What We’re Looking For: Strong commercial experience with Java 11+ Expertise in Spring Boot, Spring Cloud, and RESTful API development Experience building microservices in distributed systems Understanding of cloud platforms (AWS/GCP/Azure) Familiarity with Docker, Kubernetes, or similar container technologies Knowledge of security principles or an interest in cybersecurity Bonus More ❯

Software Engineer to join a flagship team delivering a next-generation, high-performance derivatives risk platform . This is a mission-critical front-office role working on real-time distributed systems with exceptional technical standards. You’ll be part of a high-calibre team solving complex engineering challenges and shaping the future of risk technology across capital markets. … languages: C#, Python, Rust Front end: JavaScript/TypeScript/Angular/RX JS Infrastructure: Kubernetes, containers, DevOps, CI/CD Emerging tech: WebAssembly, AI integration, and AI frameworks Systems: Cross-platform, distributed, scalable real-time environments This is a genuine technologist’s role — building critical software that combines engineering precision, scalability, and innovation. What We’re Looking … For Very strong expertise in one of C#, Python or Java , ideally with working knowledge of another. Rust very desirable Proven experience designing and developing complex, distributed, real-time systems . Deep understanding of software architecture, concurrency, performance optimisation , and system reliability . Demonstrable front-end engineering experience using JavaScript, TypeScript, Angular or React Familiarity with containerisation (Kubernetes More ❯

elite investors, this small team is already delivering to paying enterprise clients — and scaling fast. 🧩 The Role As a Senior Backend Engineer , you’ll take ownership of core backend systems powering an advanced AI platform that integrates production-ready LLMs and agentic systems. You’ll architect scalable backend services, build RAG pipelines, and integrate AI components into distributed systems that enable real-world, production-scale AI deployment . 🔧 What You’ll Do Architect and develop backend systems (Python, FastAPI, Flask, NodeJS) Design and implement RAG pipelines (LangChain, Qdrant, embeddings) Build ETL & CI/CD workflows (Airflow, dbt, MLFlow) Integrate AI/LLM components into backend services Ensure reliability, scalability, and maintainability across systems Collaborate … with a small, elite team of engineers and AI researchers 💼 About You 4+ years of backend experience (Python, distributed systems, async APIs) Proven experience integrating AI or LLM systems (LangChain, vector DBs, etc.) Hands-on with some of Airflow, dbt, MLFlow, ETL, and CI/CD workflows Experience in early-stage startup environments — self-starter mindset Excited More ❯

/Golang) 📍 London - Hybrid (3 days onsite) 💰 Up to £150,000 base + 25% bonus + equity We’re building the next generation of real-time, low-latency data systems - processing billions of transactions globally. This is a hands-on Staff Engineer role where you’ll take on complex challenges in distributed, event-driven architecture, focusing on scale … performance, and reliability. Why You’ll Love It Build and optimise real-time distributed systems at a global scale Lead deep dives into latency, throughput, and observability Stay close to the code while shaping architecture and direction Be part of an engineering-led culture with standout benefits: Full private health insurance Extended maternity and paternity leave In-office … meals Work remotely from anywhere for one month each year What We’re Looking For Strong coding skills in Python, Rust, C++ or Go Experience with high-performance or distributed systems Familiarity with Kubernetes, Kafka, AWS, Terraform, and CI/CD A collaborative engineer who enjoys solving complex problems and learning new domains Compensation: Up to More ❯

maintain high-performance backend services that process millions of transactions per day. You’ll work closely with our product, infrastructure, and data teams to deliver scalable, reliable, and secure systems that power our next generation of fintech products. What You’ll Do Design and develop distributed backend systems in Go (Golang) . Build APIs and microservices that … with global teams across time zones. What We’re Looking For 5+ years of experience in software development (with 3+ years in Golang preferred). Strong understanding of concurrency, distributed systems , and microservices architectures . Experience with REST/gRPC APIs , PostgreSQL , Kafka , or similar technologies. Familiarity with Docker , Kubernetes , and cloud platforms (AWS, GCP, or Azure). … Excellent problem-solving skills and a passion for clean, efficient code. Bonus: Experience in fintech , payments , or high-throughput systems . Why Join Us Work on systems that move billions of dollars daily. Competitive compensation and stock options. Flexible working arrangements – remote-first culture. Learning & development budget for conferences, courses, and certifications. Inclusive, diverse, and innovative engineering culture. More ❯

problems and build solutions that create real value. You think clearly and solve problems with a practical mindset. You can break down complex challenges and build end-to-end systems that work in the real world. You write strong code in Python or TypeScript. These are the languages they use every day. You take ownership. You’re comfortable driving … between 10–33%. Nice to Have (Not Essential): A degree in Computer Science Experience building ML or LLM-powered products Experience shipping React applications Experience with Spark or distributed systems Apply now or drop me a message if you’d like to hear more! Keywords: Forward Deployed Engineer, FDE, Software Engineer, Python, TypeScript, Data Engineer, ML Engineer … AI Engineer, Full Stack Engineer, LLM, Enterprise Data, Distributed Systems, Data Workflows, Product Engineering, Customer-Facing Engineer More ❯

within a team delivering projects and solving tough tech problems. What You’ll Do Design and implement robust, scalable microservices and APIs in Go Lead the technical design of distributed data systems supporting research and clinical workflows Collaborate with data scientists, bioinformaticians, and product teams to translate scientific needs into resilient software solutions Optimize data processing pipelines for … governance Mentor engineers and contribute to architectural decisions across teams What We’re Looking For 7+ years of software engineering experience, including extensive experience with Golang Deep understanding of distributed systems , data-intensive applications , and microservices architectures Experience with cloud environments (AWS, GCP, or Azure) and container orchestration (Kubernetes, Docker) Solid background in API design , data streaming , and More ❯

Senior Java Engineer (Kafka, Spring Boot, Microservices) We’re hiring a Senior Java Engineer to build secure, real-time systems using Java, Spring Boot, and Apache Kafka. You’ll design scalable event-driven microservices, collaborate across the stack, and shape a platform used in mission-critical environments. If you’re a hands-on backend engineer passionate about distributed systems, resilience, and clean architecture — this is your next challenge. 🌍 Location & Flexibility Work remotely from anywhere in the UK, with the option to use a London office when you prefer in-person time. Team meetups are planned in advance, flexibility is the default. 💡 Required Experience 10+ years’ experience as a Java Backend Engineer/Senior Java Developer Proven … track record building and scaling Kafka-based architectures in production Deep expertise with Spring Boot (Security, Web, and Data modules) Experience designing and maintaining event-driven systems with high throughput and reliability Strong understanding of observability, availability, and resilience Experience working in security-conscious, regulated, or mission-critical domains Skilled with CI/CD pipelines , Infrastructure-as-Code , and More ❯

Forward-Deployed Research Engineer (FDRE) London (Remote) Have you deployed AI systems end-to-end before? Are you comfortable working in fast-moving, ambiguous environments? Do you have experience working directly with customers on technical solutions? Are you ready to stand at the frontier of applied AI and build agentic systems that solve real-world, high-impact problems … the field; from goal setting, planning, through to production delivery and iteration. Partner closely with operators, stakeholders, and executives to scope what truly matters, then turn that into deployed systems with measurable impact. Work at the intersection of engineering, applied AI/agent research, product and deployment; embedding with customers and real-world use cases. Feed field signals and … tools, and libraries so that future deployments are faster, more powerful and more reliable. What You'll Get to Use and Learn You’ll engage with: Software engineering & platform­scale systems: backend services, distributed systems, pipelines, fault tolerance Agentic/LLM systems: multi-agent architectures, long-running agents, tool/prompt/program design, guardrails Evaluation & experimentation More ❯

looking for a DevOps Lead to join their journey. This is a hands-on leadership role where you’ll own the technical direction of a serverless, event-driven, globally distributed platform built on AWS. You’ll lead a distributed engineering team, shape high-performance APIs, and build systems that scale hard and run clean. What’s On … you’ll: Architect and optimise a high-scale, cloud-native PaaS. Champion CI/CD, automation, observability, and reliability. Design and maintain secure, performant public APIs. Build real-time, distributed systems on AWS (Lambda, DynamoDB, Kinesis, ECS/EKS). Mentor a cross-functional team and elevate engineering standards. Prototype and ship features that drive commercial impact — including … console or dashboard backend. Deep expertise in serverless/event-driven architecture on AWS. Mastery of CI/CD, Agile delivery, and containerisation (Docker, Kubernetes). Strong leadership of distributed engineering teams. Desirable: Experience in social media, advertising, eCommerce, or news. Proficiency in Node.js, Go, Python, Java, and modern front-end frameworks. AWS certifications, microservices/service mesh, and More ❯

looking for a DevOps Lead to join their journey. This is a hands-on leadership role where you'll own the technical direction of a serverless, event-driven, globally distributed platform built on AWS. You'll lead a distributed engineering team, shape high-performance APIs, and build systems that scale hard and run clean. What's On … you'll: Architect and optimise a high-scale, cloud-native PaaS. Champion CI/CD, automation, observability, and reliability. Design and maintain secure, performant public APIs. Build real-time, distributed systems on AWS (Lambda, DynamoDB, Kinesis, ECS/EKS). Mentor a cross-functional team and elevate engineering standards. Prototype and ship features that drive commercial impact - including … console or dashboard backend. Deep expertise in serverless/event-driven architecture on AWS. Mastery of CI/CD, Agile delivery, and containerisation (Docker, Kubernetes). Strong leadership of distributed engineering teams. Desirable: Experience in social media, advertising, eCommerce, or news. Proficiency in Node.js, Go, Python, Java, and modern front-end frameworks. AWS certifications, microservices/service mesh, and More ❯

pushing the boundaries of computational biology, combining machine learning, cloud infrastructure, and scientific research to accelerate discoveries in life sciences. As a Staff Backend Engineer , you’ll build the distributed systems and data infrastructure that power the lab’s next-generation biology platform. From model serving to real-time data processing, your work will form the backbone of … Collaborate across disciplines , working with ML engineers, biologists, and platform teams to ensure seamless integration between computation, data, and science. You should have Deep experience building and scaling backend systems and distributed applications . Strong coding skills in Python , with an understanding of performance tuning and concurrency. Hands-on experience with Kubernetes , AWS , and modern cloud infrastructure . … systems. Knowledge of scientific or biological computing environments . This is a rare opportunity to join a deep-tech AI lab where backend engineering meets scientific discovery, building the systems that let machine learning models and experimental biology evolve together. If you want to design the infrastructure behind a platform that could change how we understand life itself, we More ❯

most critical industries of our time. The Role They're seeking a Golang Software Engineer to join our backend engineering team. You’ll design, develop, and maintain the core systems that power our energy intelligence platform — from real-time data processing to distributed services that handle millions of data points daily. What You’ll Do Develop high-performance … resilient energy infrastructure. What they are looking for 3+ years of professional experience in backend software development (with at least 1–2 years using Golang). Solid understanding of distributed systems , concurrency , and API design . Experience with PostgreSQL , Kafka , Redis , or similar technologies. Familiarity with Docker , Kubernetes , and cloud platforms (AWS, GCP, or Azure). Strong problem … solving skills and attention to performance and reliability. Bonus points for experience in the energy sector , IoT systems , or data engineering . Why Join Shape technology that enables a sustainable energy future. Competitive pay, stock options, and flexible working hours. Collaborative, mission-driven culture with a focus on innovation and impact. Opportunities for growth, learning, and working with cutting More ❯

Up to £160,000 + Bonus + Benefits We’re supporting a major financial services organisation hiring an eFX Software Engineer to build and optimise ultra-low-latency trading systems used across global FX markets. If you’re a high-performance Java engineer who loves solving complex technical challenges at scale, this is a standout opportunity. What you’ll … work on: Engineering sub-40μs latency eFX systems with high throughput and fault tolerance Designing real-time pricing, risk and trading components Evolving low-latency Java patterns (lock-free, low-GC, CPU/cache optimisation) Working closely with quants, traders, architects and senior engineers Influencing technical strategy across distributed, performance-critical systems What we’re looking for … low-latency Java within trading, eFX or electronic markets Deep understanding of networking (TCP/UDP/FIX), Linux tuning, performance profiling Background in designing high-performance architectures and distributed systems Strong grasp of FX pricing, risk, and trading workflows Solid engineering fundamentals: testing, CI/CD, API design, automation Why join? Work on mission-critical systems More ❯

degree in Computer Science or a related technical field, or equivalent practical experience. 7+ years of hands-on experience in backend development, building and maintaining high-availability, high-throughput systems in production. Technical & Backend Skills Expert-level proficiency and at least 5 years of production experience with C++ OR Go (Golang) . Strong, proven experience designing, building, and scaling … high-availability RESTful APIs for mobile or web clients. Deep experience with distributed systems, microservices architecture, and event-driven patterns. Demonstrated experience with real-time applications and data streaming technologies (e.g., WebSockets, gRPC, Kafka). Experience integrating third-party AI/ML APIs (e.g., LLMs, STT/TTS, or other complex services) into production systems. Experience with containerization More ❯

looking for a step up into a senior position within a high-performing team within the world of Banking/Payments? Are you passionate about high-throughput, real-time systems? This is your opportunity to help shape the core technology that powers instant payments for some of the world’s largest Banks. We’re hiring on behalf of a … enable real-time, secure transactions across the globe. 🔍 What You’ll Be Doing You’ll be the focal point of a high-performing engineering team building asynchronous, event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with Java 17+, Spring WebFlux, AKKA, Kafka, and more Write … a fast-evolving codebase Collaborate within Agile teams (Kanban/Scrum) 🧠 What You Bring We’re looking for engineers who are pragmatic, performance-focused, and thrive on solving complex distributed systems problems. Strong hands-on experience with Java 11+ (ideally Java 17) Solid knowledge of Reactive Programming (e.g., Spring WebFlux, AKKA) Experience with event-driven architecture, real-time More ❯

degree in Computer Science or a related technical field, or equivalent practical experience. 7+ years of hands-on experience in backend development, building and maintaining high-availability, high-throughput systems in production. Technical & Backend Skills Expert-level proficiency and at least 5 years of production experience with C++ OR Go (Golang) . Strong, proven experience designing, building, and scaling … high-availability RESTful APIs for mobile or web clients. Deep experience with distributed systems, microservices architecture, and event-driven patterns. Demonstrated experience with real-time applications and data streaming technologies (e.g., WebSockets, gRPC, Kafka). Experience integrating third-party AI/ML APIs (e.g., LLMs, STT/TTS, or other complex services) into production systems. Experience with containerization More ❯

We’re partnering with a leading global investment & asset management firm to hire a Head of Engineering to lead a high-performing full-stack engineering group building business-critical systems in C#, .NET, and modern web technologies . If you’re a hands-on technical leader who still enjoys getting close to the code while setting strategy, shaping architecture … suite of full-stack applications used across the business Leading and mentoring multiple engineering teams (senior/lead engineers, developers, QA) Defining and driving modern architecture – microservices, event-driven systems, APIs, cloud-native patterns Balancing delivery and engineering excellence – uptime, scalability, performance, security Partnering with business stakeholders to turn requirements into robust technical roadmaps Continuously improving ways of working … APIs, microservices Frontend: Modern JavaScript/TypeScript frameworks (e.g. React, Angular or similar) Cloud: Azure or AWS (Azure preferred), containerisation (Docker, Kubernetes) Data & Integration: SQL, messaging/event streaming, distributed systems concepts DevOps: CI/CD pipelines, automated testing, monitoring & observability What You’ll Bring Proven track record as a Head of Engineering/Engineering Director/Senior More ❯

the Product Engineering team you will build and evolve a data and content dissemination platform (Web, App, APIs, messaging) and corresponding data pipelines, ensuring that our analytics and trading systems remain at the forefront of financial innovation. You will provide the content of our proprietary investment framework directly to our clients. In order to succeed, you are required to … Science or similar field involving coding (e.g. physics or applied mathematics) Algorithms, data structures, complexity analysis and software design Hands-on senior level experience in Python programming Unix based systems, containerized environments and Kubernetes Working experience with databases: relational, NoSQL and time series Websocket, REST API and message brokers (e.g. Kafka, NATS, Pub/Sub) Proficient written and verbal … traditional finance or digital assets, ideally in trading domain Hands-on experience with Python libraries and frameworks (NumPy, Pandas, Airflow, FastAPI, Flask, SQLAlchemy) Highly proficient in asynchronous, event driven distributed systems Working knowledge of cloud-native architectures, GCP preferred Experience in Go and working with real-time data streams What we offer Unique opportunity to work on new More ❯

Software Engineer London, UK £85,000 basic plus bonus We’re looking for a Software Engineer to join a team that specialise in optimising large-scale, high-performance systems used by demanding clients worldwide. You’ll work across the full delivery lifecycle, from profiling and tuning code, to rethinking architectures ensuring software runs with maximum speed, minimal memory usage … and rock-solid scalability. This is a hands on role where you’ll dive deep into complex systems, identify bottlenecks, and implement improvements that make a measurable difference for clients. What you’ll be doing Profiling and optimising existing code to boost performance and reduce memory footprint Designing and implementing performance enhancements for high-throughput, low-latency systems … and reliability What we’re looking for Solid experience in software engineering with strong experience in Python, Java, or C# Proven track record of performance tuning in large-scale, distributed systems Expertise in profiling tools, memory management, and debugging complex performance issues Strong database optimisation skills (Postgres, SQL Server, or similar) Experience with containerised and cloud-native environments More ❯

Software Engineer London, UK £85,000 basic plus bonus We’re looking for a Junior Software Engineer to join a team that specialise in optimising large-scale, high-performance systems used by demanding clients worldwide. You’ll work across the full delivery lifecycle, from profiling and tuning code, to rethinking architectures ensuring software runs with maximum speed, minimal memory … usage, and rock-solid scalability. This is a hands on role where you’ll dive deep into complex systems, identify bottlenecks, and implement improvements that make a measurable difference for clients. What you’ll be doing Profiling and optimising existing code to boost performance and reduce memory footprint Designing and implementing performance enhancements for high-throughput, low-latency systems … we’re looking for A few years commercial experience in software engineering with strong experience in Python, Java, or C# Proven track record of performance tuning in large-scale, distributed systems Expertise in profiling tools, memory management, and debugging complex performance issues Strong database optimisation skills (Postgres, SQL Server, or similar) Experience with containerised and cloud-native environments More ❯

Scale-Up This is a fantastic opportunity to join a fast-growing, well-funded fintech and be part of our journey as we continue to develop and scale our distributed financial risk platform. Location : London (Hybrid – 5-minute walk from London Bridge Station) About BondAval Founded in 2020, BondAval is a fast-growing fintech transforming B2B credit with innovative … For 6+ years of software engineering experience. Strong proficiency in a back-end server-side language (Go preferred, Python or Java applicable). You will have built and designed distributed systems and scalable architectures. Experience with relational databases (Postgres) and NoSQL databases (MongoDB, Redis, Cassandra). Experience with RESTful API design and integration. Familiarity with front-end frameworks More ❯

degree in Computer Science, Engineering, or a related field. ? 7+ years of hands-on experience in backend engineering, with a proven track record of building and maintaining high-performance, distributed systems in production. Required Technical Skills ? A minimum of 5 years of production experience with Go (Golang). Experience in other languages (e.g., Python, Node.js) is valued, but More ❯

Doing: Building backend services and APIs that give secure, governed access to LLM capabilities Developing Python-based GenAI components, including prompt orchestration and evaluation tooling Integrating LLMs with enterprise systems, observability layers, and security frameworks Designing and maintaining CI/CD pipelines using Azure DevOps Working closely with platform leads, architects, and SRE teams to ensure stable, scalable operations … tracking to measure LLM performance and cost Contributing to RAG implementations and vector-driven retrieval patterns Helping shape platform patterns, reusable components, and clear documentation Troubleshooting performance issues across distributed systems and cloud services What You’ll Bring: 5+ years of backend engineering experience, with strong Python at the core Hands-on exposure to GenAI technologies and Large More ❯