8 of 8 Permanent Low Latency Jobs in Wales

Software Engineer

Hiring Organisation
Understanding Solutions
Location
Cardiff, UK
Employment Type
Full-time
into a technical leadership role, driving architecture, improving performance, and ensuring the system is built to world-class standards. If you've built ultra-low-latency trading systems before and want to take full responsibility for a new Rust-based platform, this is an opportunity to shape … up. Key Experience Needed Extensive experience designing and developing high-frequency trading systems Strong experience working on Rust with a track record of building low-latency, high-throughput production systems Proven ability to lead the build of execution engines, market-making platforms, or similar low-latency ...

Software Engineer

Hiring Organisation
Understanding Solutions
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
into a technical leadership role, driving architecture, improving performance, and ensuring the system is built to world-class standards. If you've built ultra-low-latency trading systems before and want to take full responsibility for a new Rust-based platform, this is an opportunity to shape … up. Key Experience Needed Extensive experience designing and developing high-frequency trading systems Strong experience working on Rust with a track record of building low-latency, high-throughput production systems Proven ability to lead the build of execution engines, market-making platforms, or similar low-latency ...

Principal Software Engineer (DevOps)

Hiring Organisation
Oracle
Location
Cardiff, UK
Employment Type
Full-time
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 ...

Principal Software Engineer (DevOps)

Hiring Organisation
Oracle
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
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 ...

Senior Software Engineer (Trading Systems)

Hiring Organisation
Beamost Ltd
Location
Cardiff, UK
Employment Type
Full-time
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 ...

Senior Software Engineer

Hiring Organisation
Oracle
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
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 Backend Engineer

Hiring Organisation
Orbis Group
Location
Cardiff, UK
Employment Type
Full-time
Golang-first environment, with Python or Java experience welcome Work on distributed systems, microservices, and event-driven pipelines handling millions of requests with low latency Deploy and operate services on Kubernetes and Docker, leveraging AWS infrastructure such as EC2, S3, Lambda, and RDS Implement monitoring and observability using ...

Senior Telephony Engineer

Hiring Organisation
Narwhal Media Group (NMG)
Location
Newport, UK
Employment Type
Full-time
maintain real-time voice services using SIP, RTP, and WebRTC technologies. Develop APIs and internal tooling for call control, provisioning, and monitoring. Ensure low-latency, high-quality audio and reliable call delivery across regions. Collaborate with AI teams to integrate voice services with speech recognition, TTS, and conversational … communications platforms. Proficiency in at least one backend language (e.g., Python, Go, Java, or C++). Strong understanding of networking concepts (NAT traversal, codecs, latency, jitter). Experience with cloud infrastructure and distributed systems. Ability to lead technical decisions and collaborate across multiple engineering disciplines. Nice to Have Experience ...