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, distributedsystems, 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 distributedsystems, 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 ❯
DistributedSystems 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 DistributedSystems 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 ❯
Job Title: Senior Software Engineer (DistributedSystems & ML Infrastructure) Client: Elite Tech Firm Salary: Up to £220k Base + Industry-Leading Bonus Location: London (Hybrid) Sells: Work on next-gen distributedsystems 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, distributedsystems 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 More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hunter Bond
Job Title: Senior Software Engineer (DistributedSystems & ML Infrastructure) Client: Elite Tech Firm Salary: Up to £220k Base + Industry-Leading Bonus Location: London (Hybrid) Sells: Work on next-gen distributedsystems 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, distributedsystems 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 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 distributedsystems, 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 ❯
Manchester, Lancashire, England, United Kingdom Hybrid / WFH Options
Partnerscale
Engineering Team Lead – DistributedSystems/Data Platforms Location: Manchester (Hybrid) Salary: Up to £75,000 + bonus (15–20%) + travel allowance & benefits Permanent, Full-time We are recruiting for an Engineering Team Lead to join a growing technology business and lead a team working on large-scale distributed data platforms. This is a hands-on … leadership role where you’ll oversee the design, development and delivery of resilient, high-availability systems that handle significant data workloads. You’ll work across a range of technologies including Riak, Cassandra, Couchbase, DynamoDB, Aerospike, Redis and MongoDB. Direct experience with NoSQL datastores is a bonus, but not expected. We’re looking for someone with a strong software engineering … teams through data platform or backend engineering projects. You’ll be responsible for driving best practices, mentoring developers and ensuring smooth delivery across multiple projects. A deep understanding of distributedsystems, data storage and scalable architectures will be key. Key experience required: Proven experience leading a software or data engineering team Strong understanding of distributedsystemsMore ❯
Senior Software Engineer | DistributedSystems | 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 distributedsystems? 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 distributedsystems, 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 | DistributedSystems | Sustainable Cloud Native Platform More ❯
Senior Software Engineer | DistributedSystems | 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 distributedsystems? 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 distributedsystems, 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 | DistributedSystems | Sustainable Cloud Native Platform More ❯
Lead Software Engineer | DistributedSystems | 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 distributedsystems? 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 distributedsystems, 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 | DistributedSystems | 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 distributedsystems? 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 distributedsystems, 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 ❯
Job Summary We are seeking AI Infra Engineer to design, develop, and optimize distributed AI systems for serverless AI platforms. The successful candidate will leverage expertise in large language models (LLMs), and system design to build robust, scalable solutions. This role offers a unique opportunity to contribute to innovative AI-driven systems, collaborating with cross-functional teams … to deliver high-impact solutions in a fast-paced, research-driven environment. Key Responsibilities Design and implement scalable, distributedsystems to support AI-driven workloads, ensuring high performance and reliability. Develop robust software solutions using Python (and potentially C++) to address complex technical challenges in AI and distributed computing. Work within a larger team to rapidly develop … proof-of-concept prototypes to validate research ideas and integrate them into production systems and serverless infrastructure. Work closely with cross-functional teams to participate in developing innovative AI infrastructure, data systems, and cloud computing technologies. Implement resource scheduling and orchestration mechanisms to ensure efficient execution of distributed tasks. Required: Education: Bachelor's or Master's degree More ❯
belfast, antrim, united kingdom Hybrid / WFH Options
Magnite
others, and developing software that shapes the future of audience targeting, we'd love to meet you. In this Backend Engineer role, you'll help design, build and optimise systems that process billions of events every day, powering Magnite's Audience Platform. At Magnite, we cultivate an environment of continuous growth and collaboration. Our work impacts what millions of … All of this happens in milliseconds, billions of times a day, across the internet. Pretty nifty. We are looking for a senior backend engineer who loves tackling high volume, distributedsystems and tuning ultra-low-latency services. If you thrive in a collaborative, high-ownership environment and want to shape the future of audience targeting at scale, we … small, experienced team that values clean design, strong fundamentals, and ownership of what we build. You'll work alongside engineers who love to experiment with new tools and deliver systems that run reliably at massive scale. We: Stream, ingest and asynchronously process 2 Billion+ events every day Run sub-20 ms, high-QPS microservices Operationalize Data Science models - from More ❯
Knutsford, Cheshire, United Kingdom Hybrid / WFH Options
Scope AT Limited
Solution Architect - Cloud | Serverless | DistributedSystems | 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 distributedsystems . 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 ❯
St. Albans, Hertfordshire, South East, United Kingdom
Method-Resourcing
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, distributedsystems 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, distributedsystems 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: DistributedSystems 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 distributedsystems • 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 ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hunter Bond
Role: DistributedSystems 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 distributedsystems • 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 distributedsystems 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, distributedsystems, 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 distributedsystems 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, distributedsystems, hybrid jobs London #hiring #softwareengineering #seniorsoftwareengineer #principalengineer #staffengineer #fintech #londonjobs #python #react #typescript #aws #postgresql #snowflake #careers 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. DistributedSystems: A basic understanding of distributedsystems 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 distributedsystems, 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 ❯
Location: London (Hybrid – 4:1) Our client, a leading global trading firm, is seeking a Software Engineer to join its Finance Technology team. This group builds and maintains the systems that power financial control, treasury, and tax functions across the business. The role offers exposure to distributedsystems, data engineering, and high-throughput platforms, with the chance … to work on projects ranging from payments automation and expense management to liquidity modelling and regulatory reporting. Key Responsibilities Design, build, and maintain distributed microservices supporting financial operations Develop high-throughput pipelines for ingesting and enriching large datasets Implement automation for payments, purchase order capture, and expense validation Contribute to modelling and calculation frameworks for liquidity and exposure Deliver … and support What We’re Looking For 3–6 years of professional software engineering experience Strong academic grounding in algorithms and data structures Experience with concurrent programming and asynchronous systems Familiarity with distributedsystems, microservices-based architectures Commitment to clean, disciplined software engineering practices Proficiency in Go, JavaScript, Java, C++ or other similar statically typed languages Why More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Quant Capital
Location: London (Hybrid – 4:1) Our client, a leading global trading firm, is seeking a Software Engineer to join its Finance Technology team. This group builds and maintains the systems that power financial control, treasury, and tax functions across the business. The role offers exposure to distributedsystems, data engineering, and high-throughput platforms, with the chance … to work on projects ranging from payments automation and expense management to liquidity modelling and regulatory reporting. Key Responsibilities Design, build, and maintain distributed microservices supporting financial operations Develop high-throughput pipelines for ingesting and enriching large datasets Implement automation for payments, purchase order capture, and expense validation Contribute to modelling and calculation frameworks for liquidity and exposure Deliver … and support What We’re Looking For 3–6 years of professional software engineering experience Strong academic grounding in algorithms and data structures Experience with concurrent programming and asynchronous systems Familiarity with distributedsystems, microservices-based architectures Commitment to clean, disciplined software engineering practices Proficiency in Go, JavaScript, Java, C++ or other similar statically typed languages Why 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 distributedsystems 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 distributedsystems, 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 ❯
Wimbledon, England, United Kingdom Hybrid / WFH Options
Morson Edge (Financial Services)
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 distributedsystems 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 distributedsystems 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, distributedsystems, 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 distributedsystems 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 ❯