1 to 25 of 27 Permanent Low Latency Jobs in the City of London

Location: London (Hybrid) Employment Type: Permanent Job Title: Network Engineer This Network Engineer will be responsible for designing, implementing, and managing secure, low-latency, and scalable network infrastructure across both cloud and physical environments and will be a critical hands-on engineering role within a fast-moving digital … Prem Network Infrastructure Lead the design, deployment, and operation of complex cloud (AWS & Azure) and on-prem network infrastructure. Architect and optimise connectivity for low-latency systems and ensure secure, scalable networking between platforms, datacentres, and cloud environments. Manage VPNs, segmentation, and hybrid environments. Infrastructure as Code & Automation ...

Senior Software Engineer C++ (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) ***This is a hybrid role, 3 days remote and 2 days in the office*** Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background, REC Solutions … ideal place for you to develop your career. Benefits (not exhaustive list): Senior Software Engineer C++ (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) Competitive salary 25 days annual leave - not including bank holiday Private medical insurance Flexible working hours Company pension Group Policies Life Assurance ...

Shit.” “Give a Shit.” We are seeking an experienced and opinionated Java Developer to join our high-performing engineering team, working on l ow latency , high-throughput systems in the payments processing domain. This hybrid role is based in the UK or US and offers the opportunity to build … SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities : Design, develop, and optimize low-latency, high-throughput backend systems using Core Java and SpringBoot. Build and maintain RESTful APIs and microservices that power secure payment workflows. Work with ...

their goals. Principal Java Engineer We are seeking an experienced and opinionated Principal Java Engineer to join our high-performing engineering team, working on low latency, high-throughput systems in the payments processing domain. This hybrid role is based in the UK or US and offers the opportunity … SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities: Design, develop, and optimize low-latency, high-throughput backend systems using Java. Build and maintain RESTful APIs and microservices that power secure payment workflows. Work with messaging standards ...

candidate will work on sophisticated electronic trading systems, helping to build and improve platforms that operate in highly volatile, 24/7 markets where latency, reliability and quality of execution are critical. THE ROLE: This is a hands-on Rust Development role in a small team with a democratic … volatility models, execution algorithms, research tooling and infrastructure. This is a highly technical role in a fast-moving environment where engineering quality, performance and latency have a direct impact on trading outcomes This role is based in London on a hybrid working pattern. KEY RESPONSIBILITIES: Design & continuously improve low ...

used for pricing, execution, and trade processin g.You will collaborate with cross-functional teams across locations and play a key role in delivering scalable, low-latency solutions in a fast-moving environment. Key Responsibilities Design, develop, and deliver high-quality backend solutions from concept to production. Build … with SQL and distributed data stores (Cassandra, Hazelcast). Knowledge of messaging systems su ch as Kafka or Solace. Additional Skills Experience bu ilding low-latency, high-throughput systems. Strong understanding of software design patterns and system design. Exposure to full-stack development (React, TypeScript) is a plus. ...

supporting a leading financial services organisation seeking an experienced Real-Time Architect to help shape the next generation of low-latency, event-driven platforms. 📍 Locati on: Canary Wharf, London (1-2 days onsite per wee k) 📍 Contra ct: Inside IR 35 📍 Sta rt: AS A) 📍 Sect or: Financial … Architecting large-scale, business-critical real-time platf orms• Designing high-performance distributed systems and streaming architect ures• Driving scalability, resilience, fault tolerance and latency optimisa tion• Defining architecture standards and supporting engineering teams across deli very Key S kills✔ Java, C++ and/or P ython✔ Event-Driven ...

week onsite) Are you a senior/lead hands-on Engineer who thrives in Banking, Financial Services or Payments environments? Do you enjoy building low-latency, high-throughput distributed systems where correctness, resilience, and performance really matter? This is an opportunity to work at the core of real … within a high-performing engineering team, building asynchronous, message-driven systems designed for scale, resilience, and near-zero downtime. Design and implement high-throughput, low-latency systems processing millions of real-time payment events Build event-driven architectures using modern Java and reactive frameworks Work extensively with ...

Quantitative Developer - London/Remote 40+ leading quant firms seeking top-tier developers. Multiple immediate openings. What you'll do: Build low-latency trading systems and infrastructure Develop quantitative libraries and research platforms Optimize execution algorithms and risk systems Requirements: 2+ years quant dev or HFT experience Expert … C++/Python skills Financial markets and trading systems knowledge Our network: Pay: $180K-$2M+ based on experience Locations: London, Remote Focus: Ultra-low latency, systematic platforms, research infrastructure From prop trading tech to systematic fund platforms. Ready to build the future of trading? Apply now for confidential ...

engineers on attack vectors, exploitation techniques, and secure design principles Stay current with emerging threats and offensive security techniques relevant to financial systems and low-latency environments Requirements 5+ years of experience in penetration testing, red teaming, or security assurance, with hands-on exposure to complex, large-scale … tooling, exploits, or fuzzers; CI/CD security integration; red team or purple team engagement experience; familiarity with containerised or Kubernetes environments; knowledge of low-latency or financial trading systems; relevant certifications such as OSCP, OSEP, OSCE, CRTO, CCT APP, or CCT INF. For more information, please apply. ...

Senior Rust Engineer London Low Latency | Async Rust | Tokio Drones Up to 120,000 We have a new and exclusive partnership with one of the most exciting scale-ups in Europe, who are looking to double in size their engineering team. They have a valuation exceeding 2 billion … such as C, C++, or Core Java. Candidates from functional backgrounds such as Scala, Erlang or Clojure are also encouraged to apply. Experience developing low-latency, high throughput systems. Nice to have: Experience working with drones or robotics experience working with microcontrollers This is an excellent opportunity ...

testing Desirable Experience: Continuous Delivery & CI/CD environments API & UI Testing (Selenium) Event-driven systems & messaging protocols Extreme Programming & Pair Programming Performance/Low Latency experience Low Level coding What We are Looking For: Strong communication skills – comfortable engaging with technical & non-technical teams Inquisitive mindset ...

trading strategies Translate complex financial models into scalable production-grade code Collaborate closely with Front Office, Trading, Risk, and Research teams Enhance and maintain low-latency, high-performance systems Perform model validation, backtesting, and optimisation Contribute to architecture design of quant libraries and analytics platforms Ensure best practices ...

light data analysis as needed. Ensure integration with market data feeds and execution systems using the FIX protocol. Maintain a focus on system latency, ensuring low-latency execution pathways and minimizing delays across the platform. Required Qualifications Demonstrated experience owning and shipping customer-facing UI products used … engineers on system design and infrastructure to deliver complex, customer-facing products. Proficiency in Python scripting for basic automation or data parsing. Awareness of latency-critical systems and the ability to make trade-offs between speed, scalability, and reliability. Nice to Have Familiarity with cybersecurity principles, identity/access ...

critical trading workflows for institutional clients around the world. This is an opportunity to work on complex engineering challenges at scale, developing high-performance, low-latency software that sits at the heart of a business-critical trading system. What You'll Be Working On Core trading services Order ...

with high reliability and performance Collaborate with machine learning engineers to productionise AI and machine learning models Design scalable distributed systems supporting high-throughput, low-latency workloads Implement security, compliance and data protection controls across backend systems Optimise database performance, indexing strategies and query execution Lead technical design ...

experience with distributed event-driven systems and data streaming. FO experience Excellent communication skills and ability to work with stakeholders across the business. Desirable: Low-latency engineering experience Designed a trading system, using containers, in java Please note you will only be considered if you have front office ...

high-performance C# trading applications used by front-office teams Collaborate closely with traders and quantitative researchers to enable new trading strategies Build scalable, low-latency systems and data pipelines handling large volumes of market data Contribute across the full software development lifecycle, from design to production support ...

Senior Software Engineer C++ (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) This is a hybrid role, 3 days remote and 2 days in the office Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background, REC Solutions ...

Node.js, or Python) Proven experience designing and building distributed systems Deep understanding of system design, OOP, and design patterns Experience building high-performance, low-latency, scalable systems Strong knowledge of microservices & monolith architectures Experience with CI/CD pipelines and automation Hands-on experience with Kubernetes, containerisation, Helm ...

trading firm operating at the cutting edge of global markets, where technology and speed are paramount. They build and run highly scalable, ultra-low latency trading systems that compete across major global exchanges. You’ll work on some of the most complex and rewarding engineering challenges … quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. You’ll be directly contributing to systems that operate at nanosecond-level latency and handle massive volumes of real-time data. Key Responsibilities Develop and maintain systems for real-time market data, trade execution, and reconciliation. Optimise ...

Windows. The core stack is Rust, with WebRTC and some GStreamer. In a browser, WebRTC handles huge amounts of the low-level work for you. Building it natively means they write or modify much of that themselves. GStreamer covers some of it, but its real-time plugins aren … others in the team in this area. The entire audio/video part of the code feels extremely solid and well tested. Qualifications Deep, low-level audio/video and RTP experience: encoding/decoding, pipeline internals, low-latency transport. Not just WebRTC consumed via browser APIs ...

legacy code. What you will be working on Designing and building high performance C++ systems that sit directly in the live trading path Optimising latency, throughput, and determinism across highly concurrent systems Working on market data capture, normalisation, and internal distribution at scale Building and evolving simulation and backtesting … plus years of experience building performance critical systems in C++ Strong background in performance optimisation across CPU, memory, and network boundaries Experience with low latency systems, distributed systems, or high throughput pipelines GPU or accelerator experience is a strong plus Comfortable working close to the metal and reasoning ...

risk, operations, compliance. Domain-level expertise and experience in Listed Derivatives is critical for this role. Solid understanding of trading platforms, exchange infrastructure, and low-latency systems. Prior experience at institutional-grade exchange platforms (e.g. CME, EUREX, ICE, HKEX, SGX) would be a plus. Prior experience in Banking ...

Nexus switch platforms Excellent documentation, communication and stakeholder engagement skills Desirable Experience supporting Market Data network feeds Exposure to SD-WAN technologies Experience supporting low-latency production networks within trading or financial services environments Experience with Cisco ASA and Meraki Wireless Hands-on experience with Palo Alto firewalls ...