15 of 15 Low Latency Jobs in Belfast

Quantitative Developer – HFT (C++) | Ultra-Low-Latency Trading | High-Performance Systems We are looking for an experienced C++ engineer to join a high-performance trading team focused on building ultra-low-latency systems that operate at global scale. This is a unique opportunity to work … cutting-edge technology where every nanosecond counts. The Role As part of the HFT team, you will: Design, develop, and optimize latency-critical C++ systems for trading, market data, and infrastructure. Work on end-to-end ultra-low-latency architectures, including kernel-level tuning, network optimization ...

Low Latency C++ Engineer | Crypto Trading Powerhouse Up to £185,000 DOE + RSUs + Bonus + Benefits Fully Remote (must be based in the UK) Want to help shape the future of crypto trading? This is a chance to join one of the world's leading crypto … trading platforms and a team known for its cutting-edge low-latency systems and lightning-fast execution speeds. They're looking for engineers who thrive in high-performance, high-ownership environments. You'll work alongside some of the brightest minds in trading tech, designing and building distributed C++ ...

resolution. Monitor system performance and health using Prometheus and Grafana; proactively identify and address anomalies. Configure and optimize Solace across WAN environments, ensuring low-latency, secure, and reliable messaging. Collaborate with development and application support teams to troubleshoot message flow issues and integration problems. Perform capacity planning, scaling … systems. Strong background in production support, preferably in a 24x7 enterprise environment. Experience working with distributed systems over WAN, with an understanding of networking, latency, and failover strategies. Solid experience with Prometheus and Grafana for system monitoring and alerting. Proficiency in troubleshooting message delivery, persistence, and topic routing. Experience ...

systems and DevOps engineering experience. Basic qualifications 7–10 years building production backend systems, including 3–5 years in high-scale and/or low-latency environments. Deep expertise in Linux networking data path and kernel-level networking (e.g., XDP, eBPF, dpdk, iptables, nftables) for traffic processing, filtering … from prototype to GA. Collaborative, inclusive culture emphasizing design docs, code reviews, and knowledge sharing. What you'll do Lead architecture and delivery of low-latency backend services for DDoS detection, classification, and mitigation. Define and evolve scalable data/control planes (policy, signaling, telemetry, orchestration) with strong ...

Continuously improve system performance, robustness, and scalability while managing cost and operational efficiency. Collaborate closely with quants, traders, and technology teams to deliver reliable, low-latency data solutions. Required Skills & Experience Expert proficiency in KDB+/Q, with experience in large-scale data and analytics systems. Strong programming …/or Java. Solid understanding of Linux systems engineering, including networking and kernel-level performance tuning. Experience working with market data. Familiarity with low-latency and high-frequency trading environments would be a plus. Exposure to AWS and cloud-based KDB+ deployments, with practical experience in Docker ...

help evolve the system as the business grows. This is an excellent opportunity for someone who enjoys autonomy, technical responsibility, and working on low-latency, high-performance applications. What You'll Do Maintain, extend, and optimise an existing Python-based trading application Add new features and improve current … capabilities with a focus on performance, reliability and clean architecture Build and optimise real-time pipelines handling high-frequency data Improve latency, throughput, and reliability using profiling and performance engineering Work with Redis, Azure VMs, and Anaconda environments Implement and maintain systems requiring millisecond-level timing precision Troubleshoot production ...

technical foundation for customer-facing DDoS capabilities. Basic qualifications 6+ years building production backend systems (at least 3 years in high-scale or low-latency environments). Proficiency in one or more: Java/Python/C Rust/Go Strong preference for Java for control-plane/… gates from prototype to GA. Collaborative, inclusive engineering culture with code reviews, design docs, and knowledge sharing. What you'll do Design and build low-latency backend services for DDoS detection, classification, and mitigation across OCI's global edge. Implement scalable data and control planes (policy, signaling, telemetry ...

Senior Network Engineer to work on it's trading infrastructure. To apply, you will ideally be CCIE qualified with a strong background in low latency and multicast networks. Our client is a leading global market maker with an emphasis on technology to match. They seek an experienced profile … bleeding edge Cisco environment. What you'll be doing: Design, deploy and troubleshoot global network infrastructure Design industry leading networks Implement optimisations to build low latency network Work on network redesign, expansion and upgrade Support trading teams in relation to high frequency Automation, capacity planning and connectivity advancement ...

with measurable financial impact. This is an excellent opportunity for someone who enjoys autonomy, technical responsibility, and building production-grade ML systems where reliability, latency, and real-world feedback loops matter. What You'll Do Lead the design and production integration of ML components into a live, Python-based … maintaining high code quality UK-based and available for support during core market hours when needed Desirable Skills Experience with real-time/low-latency systems (streaming data, telemetry, market data, etc.) Familiarity with production ML monitoring/observability practices and tooling Experience with cloud deployment environments ...

+ Bonus + Comprehensive Benefits The Role Join a leading FinTech as a Java Engineer and help build their next-generation, low-latency trading platform. What You'll Be Doing Develop high-performance systems in Java for real-time trading applications Optimize multithreading, concurrency, and throughput for maximum ...

systems. Ideal for someone who thrives in fast-paced, trading-led environments where precision and performance are non-negotiable. Key Responsibilities Build and maintain low-latency distributed data pipelines Develop and run real-time time-series data collectors Automate monitoring and data quality checks Create tools and APIs ...

advanced machine learning and deep learning models into production. Architect scalable LLMOps pipelines on GCP/Vertex AI, including fine-tuning, vector search, and low-latency inference. Build end-to-end LLM applications, leveraging RAG (Retrieval-Augmented Generation), agentic workflows, and prompt engineering. Implement robust evaluation frameworks ...

technical excellence across application design, VoIP integration and API-based interoperability. Work closely with infrastructure, network, and operations teams to ensure high availability and low-latency telephony performance. Oversee code quality, release cycles, and CI/CD pipelines. Collaborate with senior management to translate business strategy into product ...

system. Flexible setup: Remote across the EU, with optional co-working in London or Barcelona. What you'll do Obsessive about latency, you think in milliseconds, optimise for concurrency, and understand the trade-offs between speed, cost, and model performance. Design, implement, and productionise multi-agent LLM systems that … reason, plan, and coordinate. Develop FastAPI-based microservices optimised for low latency and high reliability. Engineer and evaluate RAG pipelines: hybrid retrieval, re-ranking, grounding, and context validation. Integrate real-time voice interfaces (STT/TTS, WebRTC, LiveKit) into intelligent conversational flows. Instrument and evaluate system performance using ...

browser, minimizing server-side dependencies. Tech: Proficiency with WASM-based solutions (e.g., FFmpeg.wasm) is required. C. Real-Time Device Synchronization Requirement: Create a low-latency \"Handshake\" and data layer between the web session and external connected clients. Functionality: Implement a secure pairing flow (e.g., code-based) that facilitates ...