76 to 100 of 252 Low Latency Jobs in London

a scalable, future-ready platform. Key Responsibilities: Design and develop modern, real-time React/Java applications for trading workflows Work closely with engineers to build robust, scalable, and low-latency systems Lead full-stack solution design, with a focus on backend performance, reliability, and system integration Translate business and technical requirements into cohesive system architectures Promote engineering … WebSockets, Web Workers, asynchronous data flow) Solid background in backend development, ideally with Java, REST APIs, and messaging frameworks Deep understanding of architecture and system design, including distributed and low-latency systems Ability to drive full-stack solutions, with a strong backend focus and solid UI fundamentals Demonstrated experience within a Rates or broader Fixed Income trading environment More ❯

models end-to-end: dataset strategy, training/fine-tuning, evaluation, optimization, and deployment to real hardware in the field. You'll turn messy real-world streams into robust, low-latency inference pipelines. What you'll do Design, train, and fine-tune text/audio/vision models (e.g., DistilRoBERTa, wav2vec2, YOLO) for threat and aggression detection. Build … and transfer learning. Optimize for real-time: quantization, pruning, ONNX/TensorRT, mixed precision, batching, caching. Ship models to edge & cloud with CI/CD, versioning, and rollback; instrument latency and accuracy SLAs. Create data pipelines: collection, labeling, augmentation/synthesis, dataset versioning (DVC). Collaborate with backend/infra on streaming (RTMP/TCP), Pub/Sub, autoscaling … registries, CI/CD, model monitoring. Comfortable with GCP, containers, and GPUs. Located in London or ready to relocate . Nice to haves Real-time inference experience Streaming systems, low-latency audio (VAD/Whisper/wav2vec2), and CV pipelines. Security/privacy by design (PII handling, encryption, GDPR). Experience tuning multi-objective metrics (precision/recall More ❯

Join CMC Markets' Pricing and Risk team, where youll work on our low latency, high-frequency trading platform. You will use cutting-edge Java programming techniques so experience in this area is essential. As a Senior Developer, youll not only code but also take on key design responsibilities, shaping impactful projects. You'll mentor junior members of the More ❯

and backtest Alpha Signals for market execution • Enhance trade execution efficiency and system performance • Implement robust risk management and stress-testing tools 🎯 What You Bring • 5+ years Java (OOP, low-latency systems) • 4+ years FX or Crypto trading experience • Python (NumPy, Pandas, SciPy) • SQL or time-series DBs • Linux & distributed systems expertise • Strong communication & market intuition ✨ Bonus Skills More ❯

and backtest Alpha Signals for market execution • Enhance trade execution efficiency and system performance • Implement robust risk management and stress-testing tools 🎯 What You Bring • 5+ years Java (OOP, low-latency systems) • 4+ years FX or Crypto trading experience • Python (NumPy, Pandas, SciPy) • SQL or time-series DBs • Linux & distributed systems expertise • Strong communication & market intuition ✨ Bonus Skills More ❯

and backtest Alpha Signals for market execution • Enhance trade execution efficiency and system performance • Implement robust risk management and stress-testing tools 🎯 What You Bring • 5+ years Java (OOP, low-latency systems) • 4+ years FX or Crypto trading experience • Python (NumPy, Pandas, SciPy) • SQL or time-series DBs • Linux & distributed systems expertise • Strong communication & market intuition ✨ Bonus Skills More ❯

and backtest Alpha Signals for market execution • Enhance trade execution efficiency and system performance • Implement robust risk management and stress-testing tools 🎯 What You Bring • 5+ years Java (OOP, low-latency systems) • 4+ years FX or Crypto trading experience • Python (NumPy, Pandas, SciPy) • SQL or time-series DBs • Linux & distributed systems expertise • Strong communication & market intuition ✨ Bonus Skills More ❯

of database systems, including SQL & NoSQL solutions (PostgreSQL, Redis, MongoDB, etc.). Strong grasp of microservices architecture, server orchestration, and containerization (Docker, Kubernetes). Experience working in high-performance, low-latency environments, optimizing backend logic for multiplayer scalability. Bonus Skills: Expertise with modern DevOps practices, CI/CD pipelines, and automated infrastructure management. Expertise with off-the-shelf More ❯

TDD 4. Requirements Must have Core Java SE Desire to learn Passion for writing clean, re-usable code Understanding of peer-to-peer networks Nice to have High throughput, low latency systems Financial markets FIX Blockchain Spring Hibernate Complex event processing/EPL SQL 5. Company culture We provide best of breed trading venue and post-trade solutions More ❯

for upgrades of existing services.  Work closely with development teams, business analysts, architects, all infrastructure teams to design and setup new systems, improve existing platforms (resilience, high availability, performance, low-latency...).  Coordinate and organise changes with external vendors, markets, ECNs.  Plan, schedule, implement and document the change activities.  Improve team documentation, keep it up-to-date and share More ❯

for upgrades of existing services.  Work closely with development teams, business analysts, architects, all infrastructure teams to design and setup new systems, improve existing platforms (resilience, high availability, performance, low-latency...).  Coordinate and organise changes with external vendors, markets, ECNs.  Plan, schedule, implement and document the change activities.  Improve team documentation, keep it up-to-date and share More ❯

for upgrades of existing services. Work closely with development teams, business analysts, architects, all infrastructure teams to design and setup new systems, improve existing platforms (resilience, high availability, performance, low-latency...). Coordinate and organise changes with external vendors, markets, ECNs. Plan, schedule, implement and document the change activities. Improve team documentation, keep it up-to-date and share More ❯

for upgrades of existing services.  Work closely with development teams, business analysts, architects, all infrastructure teams to design and setup new systems, improve existing platforms (resilience, high availability, performance, low-latency...).  Coordinate and organise changes with external vendors, markets, ECNs.  Plan, schedule, implement and document the change activities.  Improve team documentation, keep it up-to-date and share More ❯

ring, provides a live transcript, and allows for mid-call user intervention. As the Senior Backend Engineer for Application & AI Orchestration, your central challenge will be solving the cumulative latency puzzle. You will be singularly responsible for orchestrating a best-in-class, buy, don't build AI stack (STT - LLM - TTS) to deliver a seamless, natural, and responsive voice … to-voice (V2V) experience, targeting a sub-1000ms latency from the moment a caller stops speaking to the moment our AI begins its response. You won't just be integrating APIs; you will be architecting the Real Time, high-throughput nervous system of our core AI product. Key ResponsibilitiesAI Orchestration & Core Logic Own the end-to-end Back End … architecture for the Personal Welcome Manager, our flagship conversational AI product. Design, build, and optimize the core AI orchestration pipeline (STT - LLM - TTS) to meet our 1000ms V2V latency target. Serve as the technical lead for our "Buy, Don't Build" AI strategy, integrating, managing, and evaluating third-party AI services from providers like Vapi, Deepgram, and Cartesia. Implement More ❯

ring , provides a live transcript, and allows for mid-call user intervention. As the Senior Backend Engineer for Application & AI Orchestration, your central challenge will be solving the cumulative latency puzzle. You will be singularly responsible for orchestrating a best-in-class, buy, don't build AI stack (STT ? LLM ? TTS) to deliver a seamless, natural, and responsive voice … to-voice (V2V) experience, targeting a sub-1000ms latency from the moment a caller stops speaking to the moment our AI begins its response. You won't just be integrating APIs; you will be architecting the real-time, high-throughput nervous system of our core AI product. Key Responsibilities AI Orchestration & Core Logic ? Own the end-to-end backend … architecture for the Personal Welcome Manager, our flagship conversational AI product. ? Design, build, and optimize the core AI orchestration pipeline (STT ? LLM ? TTS) to meet our < 1000ms V2V latency target. ? Serve as the technical lead for our "Buy, Don't Build" AI strategy, integrating, managing, and evaluating third-party AI services from providers like Vapi, Deepgram, and Cartesia. ? Implement More ❯

experience with C++ or Java for high-performance model integration. Solid understanding of Fixed Income products, yield curve modelling, and financial mathematics. Experience building production-level ML systems in low-latency or large-scale environments. Strong communication skills with the ability to interact effectively with both technical and trading stakeholders. Desirable: Previous front-office or systematic trading desk More ❯

experience with C++ or Java for high-performance model integration. Solid understanding of Fixed Income products, yield curve modelling, and financial mathematics. Experience building production-level ML systems in low-latency or large-scale environments. Strong communication skills with the ability to interact effectively with both technical and trading stakeholders. Desirable: Previous front-office or systematic trading desk More ❯

experience with C++ or Java for high-performance model integration. Solid understanding of Fixed Income products, yield curve modelling, and financial mathematics. Experience building production-level ML systems in low-latency or large-scale environments. Strong communication skills with the ability to interact effectively with both technical and trading stakeholders. Desirable: Previous front-office or systematic trading desk More ❯

experience with C++ or Java for high-performance model integration. Solid understanding of Fixed Income products, yield curve modelling, and financial mathematics. Experience building production-level ML systems in low-latency or large-scale environments. Strong communication skills with the ability to interact effectively with both technical and trading stakeholders. Desirable: Previous front-office or systematic trading desk More ❯

Docker & CI/CD (Jenkins, GitHub Actions, etc.) Bonus Points For: Financial services , trading systems background Messaging systems (RabbitMQ, Kafka) AWS or other cloud platforms TypeScript, RxJS, GWT, React Low-latency system design experience What we offer - Competitive salary & bonus - Hybrid working (2–3 days in London office) - Work on a cutting-edge fintech platform with global impact More ❯

Docker & CI/CD (Jenkins, GitHub Actions, etc.) Bonus Points For: Financial services , trading systems background Messaging systems (RabbitMQ, Kafka) AWS or other cloud platforms TypeScript, RxJS, GWT, React Low-latency system design experience What we offer - Competitive salary & bonus - Hybrid working (2–3 days in London office) - Work on a cutting-edge fintech platform with global impact More ❯

Docker & CI/CD (Jenkins, GitHub Actions, etc.) Bonus Points For: Financial services , trading systems background Messaging systems (RabbitMQ, Kafka) AWS or other cloud platforms TypeScript, RxJS, GWT, React Low-latency system design experience What we offer - Competitive salary & bonus - Hybrid working (2–3 days in London office) - Work on a cutting-edge fintech platform with global impact More ❯

Docker & CI/CD (Jenkins, GitHub Actions, etc.) Bonus Points For: Financial services , trading systems background Messaging systems (RabbitMQ, Kafka) AWS or other cloud platforms TypeScript, RxJS, GWT, React Low-latency system design experience What we offer - Competitive salary & bonus - Hybrid working (2–3 days in London office) - Work on a cutting-edge fintech platform with global impact More ❯

cross-functional stakeholders. • Fluent in English, both written and spoken. Beneficial • Experience with Python and React. • Detailed experience with AWS (EKS, EC2). • Experience working on real-time or low-latency distributed systems. • Familiarity with quantitative pricing integration and automated testing frameworks. • Understanding of risk management, order management systems (OMS), and trade lifecycle workflows. • Experience building FIX or More ❯

Skills & Experience: Strong expertise in Java , Spring Framework/Spring Boot , or similar backend frameworks. Proven experience designing and developing API-based, microservices-driven architectures . Solid understanding of low-latency, multi-threaded systems and distributed messaging . Experience mentoring developers and promoting best practices in code quality and architecture. Collaborative mindset with experience working closely with business More ❯