1 to 25 of 576 Distributed Systems Jobs in the UK

We are looking to hire several contract Research Scientists with expertise in computer systems and AI infrastructure to conduct cutting-edge research at the intersection of computer systems, machine learning, and distributed systems. These roles are ideal for recent PhD graduates seeking industrial research experience, or for exceptional B.Sc. or M.Sc. graduates looking to deepen their research … skills in an industry setting. We welcome applicants with backgrounds in one or more of the following areas: operating systems, distributed systems, and machine learning systems. Key Responsibilities: Rapid Prototyping: Collaborate with a multidisciplinary team to quickly develop and test proof-of-concept prototypes, validating research ideas in real-world, industrial environments. Performance Optimization: Perform detailed profiling … and optimization of operating systems and large-scale distributed systems, leveraging a range of heterogeneous hardware (e.g., CPU, NPU) for enhanced performance. Research Publications: Transform research findings and innovative contributions into high-impact publications in top-tier academic journals and conferences. Technical Documentation: Create and maintain comprehensive technical documentation outlining research methods, design decisions, and implementation specifics More ❯

Distributed Systems Engineer - Data Platform - Logs and Audit Logs Hybrid About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world's largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare … their time at Cloudflare. Come join us! Locations Available London (UK), Lisbon (Portugal), Austin (US), Denver (US), Atlanta (US) About Role We are actively seeking experienced and highly motivated Distributed Systems Engineers to join Cloudflare's dynamic DATA Organisation. This is a pivotal opportunity to contribute to the future of data at Cloudflare, working on systems that … global operations and customer insights. Our organisation is responsible for the entire data lifecycle, encompassing everything from initial ingestion and sophisticated processing to robust storage and efficient retrieval. These systems are the backbone that power critical logs and analytics, providing our customers with real-time, actionable visibility into the health, performance, and security of their online properties. Our overarching More ❯

beyond our past to build our future. You can learn more about us by visiting https://cloud.oracle.com/cloud-infrastructure. Are you interested in building large-scale distributed security systems and tools for the cloud? Do you enjoy all aspects of security, from end user devices and traditional information technology (IT), to hyperscale cloud and multicloud … A security-focused leader can have significant technical and business impact. This is a unique opportunity to work with smart people to solve complex and industry-wide problems in distributed systems, security, and multi-tenant Infrastructure-as-a-Service (IaaS) at massive scale. The biggest challenges for the team is the dynamic and fast growth of the business … driving us to improve our systems, tools, and automation to scale to our security expertise several orders of magnitude greater than what we can support today. We understand that software is living and needs investment. The challenge is making the right tradeoffs, communicating those decisions effectively, and crisp execution. Come shape the future of one of the largest cloud More ❯

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 to join a company who are solving genuine problems that … provider🌳 What they're looking for in a 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 of systems … network programming - that's a plus... but definitely not needed! If this sounds like you, feel free to apply and I can run through more details! Senior Software Engineer | Distributed Systems | Sustainable Cloud Native Platform More ❯

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 to join a company who are solving genuine problems that … provider🌳 What they're looking for in a 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 of systems … network programming - that's a plus... but definitely not needed! If this sounds like you, feel free to apply and I can run through more details! Senior Software Engineer | Distributed Systems | Sustainable Cloud Native Platform More ❯

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 to join a company who are solving genuine problems that … they're looking for in a 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 0-1, solving ambiguous and … complex challenges. Experience working on software infrastructure or building Cloud native software using Kubernetes. Understanding of systems design and Open Source components. If you have knowledge of building virtual machines - Virtual servers, virtual networking or network programming - that's a plus... but definitely not needed! If this sounds like you, feel free to apply and I can run through More ❯

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 to join a company who are solving genuine problems that … they're looking for in a 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 0-1, solving ambiguous and … complex challenges. Experience working on software infrastructure or building Cloud native software using Kubernetes. Understanding of systems design and Open Source components. If you have knowledge of building virtual machines - Virtual servers, virtual networking or network programming - that's a plus... but definitely not needed! If this sounds like you, feel free to apply and I can run through More ❯

Senior Python/C++ Distributed Systems Engineer Location: Hybrid Salary: £60,000 – £70,000 Type: Permanent About the Role: Our employer-partner is looking for a Senior Python/C++ Engineer with strong experience in distributed systems, VoIP, audio/video processing, and cloud-native architectures. This role suits someone who enjoys building performance-critical tools … working across the full stack, and contributing to scalable real-time communication products. Key Responsibilities: Develop backend services and distributed components using Python and C++ . Work with media processing technologies (FFMPEG, audio mixing, streaming pipelines). Engineer VoIP, DECT, and SIP-based communication software, including real-time call handling. Build and maintain REST APIs (Flask, FastAPI, Django) and … control-plane systems. Desirable: FFMPEG, PyQt, NumPy, SQLAlchemy experience. Understanding of secure communications (SSL/TLS, JWT). Passion for scalable, highly available architecture (real-time or mission-critical systems). Why Apply? Join a highly technical engineering group solving complex real-time communication challenges. Opportunity to work on both cloud and on-premise distributed systems. A role More ❯

Solution Architect - Cloud | Serverless | Distributed Systems | AWS/Azure/GCP Location: Knutsford or Northampton (Hybrid) Join a leading tech-driven organisation as a Solution Architect , shaping and delivering modern, scalable systems that drive innovation and business transformation. What you'll do: Design and implement secure, resilient cloud and distributed solutions. Leverage AWS/Azure/… real value. Collaborate with stakeholders to define strategy and architectural direction. Guide and mentor teams, driving best practice and technical excellence. What you'll bring: Proven experience architecting modern distributed systems . Strong stakeholder management and problem-solving skills. Hands-on cloud architecture experience (AWS, Azure or GCP). Background in financial services (desirable). A great opportunity More ❯

UK) Method is partnering with a leading infrastructure technology company that's rebuilding its software architecture from the ground up. The mission is to create connected, secure, and scalable systems that enable smarter infrastructure, and deliver trusted connectivity across multiple sectors. They're looking for a Principal Software Engineer, a hands-on technical authority who will set engineering standards … shape the next generation of event-driven microservices powering their global platform. The role You'll work at the top of the engineering track, designing and delivering high-performance, distributed systems while guiding others through implementation and problem-solving. This is a deep technical role, ideal for someone who thrives on code, architecture, and tangible impact. What you … ll do Design and build scalable, distributed systems that support safety-critical environments. Lead technical decision-making and resolve engineering challenges across domains. Own the delivery of complex features, ensuring performance, resilience, and maintainability. Collaborate with Engineering Leads, Architects, and Product to translate roadmap goals into reality. Contribute to a 5-year architectural refresh, evolving systems to More ❯

Role: Distributed Systems Software Engineer - Up to £190k + Bonus Salary: Up to £190k + Bonus Location: London (Hybrid) Skills: Language agnostic, just need to be a keen technologist (Ideally experienced in Rust, Python or C++) This firm is an elite company with high tech standards who have previously set tech world records. They are made up of … to the limits. They’ll find the best team to suit your skillset/interests but you could be working on: • Designing and developing scalable, tested and production grade distributed systems • R&D work for functional programming; either pre-existing languages (such as Rust and Erlang), or purpose-built languages similar to OCaml • Building out Machine Learning Infrastructure More ❯

Role: Distributed Systems Software Engineer - Up to £190k + Bonus Salary: Up to £190k + Bonus Location: London (Hybrid) Skills: Language agnostic, just need to be a keen technologist (Ideally experienced in Rust, Python or C++) This firm is an elite company with high tech standards who have previously set tech world records. They are made up of … to the limits. They’ll find the best team to suit your skillset/interests but you could be working on: • Designing and developing scalable, tested and production grade distributed systems • R&D work for functional programming; either pre-existing languages (such as Rust and Erlang), or purpose-built languages similar to OCaml • Building out Machine Learning Infrastructure More ❯

not ticket-ticking. You’ll 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 interest in tech that helps people. I think that matters here. Package and ways of … to share the full brief and talk through fit. Senior Software Engineer London, Staff Software Engineer, Principal Engineer, Fintech jobs London, Python, TypeScript, React, Svelte, PostgreSQL, Snowflake, AWS, scalable systems, distributed systems, hybrid jobs London #hiring #softwareengineering #seniorsoftwareengineer #principalengineer #staffengineer #fintech #londonjobs #python #react #typescript #aws #postgresql #snowflake #careers More ❯

not ticket-ticking. You’ll 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 interest in tech that helps people. I think that matters here. Package and ways of … to share the full brief and talk through fit. Senior Software Engineer London, Staff Software Engineer, Principal Engineer, Fintech jobs London, Python, TypeScript, React, Svelte, PostgreSQL, Snowflake, AWS, scalable systems, distributed systems, hybrid jobs London #hiring #softwareengineering #seniorsoftwareengineer #principalengineer #staffengineer #fintech #londonjobs #python #react #typescript #aws #postgresql #snowflake #careers More ❯

Senior Algorithm Engineer - Python/Distributed Systems/Energy Tech Remote - UK (O/IR35), NL, BE, GER 3 - 6 Months initial contact Join a pioneering technology scale-up driving the digital transformation of the energy industry. Youll help design and evolve distributed software systems that process millions of data points across the UK energy market … engineering with system architecture ideal for someone who enjoys building robust, high-performance code and guiding technical direction. What Youll Do Design, build and optimise Python-based algorithms and distributed components that power energy forecasting and pricing workflows. Contribute to system architecture decisions microservices, APIs, and distributed computing layers. Collaborate directly with stakeholders to translate business and market … logic into maintainable, scalable software. Lead by example through clean, efficient coding, mentoring, and peer reviews. Continuously evolve the distributed software stack, improving performance and reliability across platforms. What Youll Bring Strong proficiency in Python , including modern data engineering libraries (Pandas, NumPy, Dask, Polars, PySpark). Experience designing or maintaining distributed systems or microservice architectures . Background More ❯

tools like Apache Spark, Databricks, Apache Pulsar, Apache Airflow, Temporal, and Apache Flink, sharing knowledge and suggesting improvements. Documentation: Contribute to clear and concise documentation for software, processes, and systems to ensure team alignment and knowledge sharing. Your Qualifications Experience: Professional experience in Python development or related software engineering roles. Python Proficiency: Strong knowledge of Python, including experience with … web frameworks like Django, Flask, or FastAPI. Database Management: Solid experience with relational databases like PostgreSQL or MySQL and familiarity with NoSQL databases like Redis. Distributed Systems: A basic understanding of distributed systems and microservices architecture, as well as cloud-based infrastructure (AWS, GCP, Azure), is a plus. Version Control: Experience with Git and familiarity with … like AWS, GCP, or Azure. DevOps Tools: Familiarity with containerization (Docker) and infrastructure automation tools like Terraform or Ansible. Real-time Data Streaming: Experience with Apache Pulsar or similar systems for real-time messaging and stream processing is a plus. Data Engineering: Experience with Apache Spark, Databricks, or similar big data platforms for processing large datasets, building data pipelines More ❯

creativity, and innovation, all while fostering a startup mindset. Job Summary We are seeking a highly skilled AWS Architect with extensive expertise in AWS and real-time, high-load distributed systems, with a particular focus on event-driven architectures using Kafka. This role will be instrumental in designing and implementing cloud solutions that leverage AWS services and Kafka … to build scalable, efficient, and resilient systems for our organization. Key Responsibilities System Architecture and Design Lead the design and development of AWS-based cloud solutions supporting high-load, real-time distributed systems. Architect and implement event-driven systems using Kafka for efficient real-time data streaming and message processing. Collaborate with Solution Architects and Video Architects … design reviews and provide recommendations to ensure compliance with architectural standards. Performance and Optimisation Analyze and optimize cloud infrastructure for performance, cost efficiency, and security. Implement monitoring and alerting systems to ensure the reliability and health of high-load systems. Design and execute performance testing strategies for large-scale distributed applications. Innovation and Best Practices Stay updated with More ❯

backend services and microservices using Java. Collaborate broadly: Work with cross-functional teams to deliver scalable telecom solutions. Optimise performance: Integrate databases, APIs, and ensure efficiency across systems. Harden systems: Implement redundancy, security, and performance tuning for telecom operations. Problem-solve: Troubleshoot challenges in distributed systems and live client environments. Contribute to Agile: Participate in code reviews … ensure best practices across the lifecycle. What we’re looking for 4+ years’ hands-on backend Java development experience. Strong expertise in RESTful APIs and microservice architectures. Background in distributed systems, OOP, and networking fundamentals. Cloud environment experience (AWS, GCP, etc.), plus Docker/Kubernetes and CI/CD. Proven track record optimising apps for performance, memory, and … scalability. SQL/NoSQL database experience, including deployment and integration. Knowledge of messaging systems (Kafka, RabbitMQ, Pub/Sub). Excellent communication and analytical skills. Nice to have: Telecom-specific protocols (SMPP, SIP), OSS/BSS integrations, or network APIs. Event-driven systems, CQRS, or high-redundancy architectures. Security scanning, testing, Git, and Agile/Scrum experience. Interest More ❯

deep understanding of its ecosystems and best practices. Prior experience with at least one JVM-based language such as Java, Kotlin, or Scala is a plus. Solid understanding of distributed systems principles and experience working with distributed architectures. Experience with containerization technologies (e.g., Docker, Kubernetes). Experience working in a Linux environment, using version control. Experience with More ❯

deep understanding of its ecosystems and best practices. Prior experience with at least one JVM-based language such as Java, Kotlin, or Scala is a plus. Solid understanding of distributed systems principles and experience working with distributed architectures. Experience with containerization technologies (e.g., Docker, Kubernetes). Experience working in a Linux environment, using version control. Experience with More ❯

payments capabilities. About the role You’ll join the core engineering team responsible for building and enhancing a real-time payments processing platform. The work involves designing and developing distributed systems that are highly scalable, resilient, and able to handle large transaction volumes. The environment is highly agile, with a strong focus on pair programming, TDD and BDD … re looking for Solid hands-on experience with Java 11+ (ideally Java 21) Good understanding of Reactive Programming concepts with Akka, WebFlux, RxJava etc. Experience working with microservices and distributed systems Background with Kafka and JMS related messaging tools Knowledge of multithreading, concurrency, and performance tuning Familiarity with AWS and MongoDB Previous experience in financial services, ideally within … payments Why join Work on systems used by major global banks Be part of a highly collaborative, engineering-driven culture Focus on real-time, high-throughput systems and modern Java technologies Hybrid working model – 2 days per week in the South London office If you’re passionate about engineering high-quality, real-time systems and want to More ❯

support staff. Your Role We’re looking for a talented and driven Senior Java Developer to join our growing team. You’ll be instrumental in building robust, scalable backend systems using modern technologies and cloud platforms. If you’re passionate about clean code, distributed systems, and continuous delivery, we want to hear from you. What You’ll … backend services using Java and Spring Boot, with a strong focus on performance, reliability, and maintainability Develop and deploy cloud-native applications on Microsoft Azure, leveraging best practices in distributed systems and microservices architecture I mplement asynchronous messaging patterns to enable decoupled, event-driven communication across services Contribute to CI/CD pipelines to ensure smooth, automated deployments 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 ❯

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 ❯