London, England, United Kingdom Hybrid / WFH Options
NineTech
routing for market data distribution across complex environments involving multiple VRFs and VLANs. Configure and maintain Aruba (Access/Distribution) and Arista (Core/Low-Latency) switches. Support BGP peering, route filtering, and optimisation for ultra-low-latency trading environments. Operate and maintain Palo Alto firewalls … ZScaler security platforms (ZIA/ZPA). Support VMware SD-WAN (VeloCloud) deployments across branch and remote trading locations. Monitor and optimise network performance (latency, throughput, availability) on critical links. Assist with network automation initiatives and maintain accurate documentation.... More ❯
and operational excellence to join one its Trading Teams. You’ll work across infrastructure, development, and real-time operations to support and maintain ultra-low-latency systems with zero downtime tolerance. Key Responsibilities: Design, develop, and maintain Python-based tools for deployment, monitoring, and system health management. Automate … Ideal Candidate: Strong Python skills with a bias toward clean, reliable scripting and automation. Deep experience with Linux, containers, and DevOps toolchains. Familiarity with low-latency environments and performance debugging. Comfort in high-stakes, always-on production environments. Clear, concise communication and a problem-solving mindset. Exposure to More ❯
and operational excellence to join one its Trading Teams. You’ll work across infrastructure, development, and real-time operations to support and maintain ultra-low-latency systems with zero downtime tolerance. Key Responsibilities: Design, develop, and maintain Python-based tools for deployment, monitoring, and system health management. Automate … Ideal Candidate: Strong Python skills with a bias toward clean, reliable scripting and automation. Deep experience with Linux, containers, and DevOps toolchains. Familiarity with low-latency environments and performance debugging. Comfort in high-stakes, always-on production environments. Clear, concise communication and a problem-solving mindset. Exposure to More ❯
and operational excellence to join one its Trading Teams. You’ll work across infrastructure, development, and real-time operations to support and maintain ultra-low-latency systems with zero downtime tolerance. Key Responsibilities: Design, develop, and maintain Python-based tools for deployment, monitoring, and system health management. Automate … Ideal Candidate: Strong Python skills with a bias toward clean, reliable scripting and automation. Deep experience with Linux, containers, and DevOps toolchains. Familiarity with low-latency environments and performance debugging. Comfort in high-stakes, always-on production environments. Clear, concise communication and a problem-solving mindset. Exposure to More ❯
Opportunity My client is a globally recognised quantitative proprietary trading firm with a dominant presence across major markets. They combine rigorous quantitative research, ultra-lowlatency technology, and robust risk management to deploy mid and high-frequency strategies across asset classes, including equities, fixed income, commodities, and FX … Model and analyse market microstructure across global exchanges to improve execution and reduce slippage. Experience in backtesting strategies before live deployment. Work closely with low-latency engineers to enhance execution speed and infrastructure efficiency. Who They’re Looking For Proven track record of alpha generation : Sharpe Ratio ≥ 2.0 More ❯
Opportunity My client is a globally recognised quantitative proprietary trading firm with a dominant presence across major markets. They combine rigorous quantitative research, ultra-lowlatency technology, and robust risk management to deploy mid and high-frequency strategies across asset classes, including equities, fixed income, commodities, and FX … Model and analyse market microstructure across global exchanges to improve execution and reduce slippage. Experience in backtesting strategies before live deployment. Work closely with low-latency engineers to enhance execution speed and infrastructure efficiency. Who They’re Looking For Proven track record of alpha generation : Sharpe Ratio ≥ 2.0 More ❯
Opportunity My client is a globally recognised quantitative proprietary trading firm with a dominant presence across major markets. They combine rigorous quantitative research, ultra-lowlatency technology, and robust risk management to deploy mid and high-frequency strategies across asset classes, including equities, fixed income, commodities, and FX … Model and analyse market microstructure across global exchanges to improve execution and reduce slippage. Experience in backtesting strategies before live deployment. Work closely with low-latency engineers to enhance execution speed and infrastructure efficiency. Who They’re Looking For Proven track record of alpha generation : Sharpe Ratio ≥ 2.0 More ❯
continued operations of the network. Work with Arista, Fortinet, Cisco, Juniper and A10 network devices. Assist in building of new high-performing, highly resilient, low-latency networks in multiple regions. Ensure efficient deployment and standard configuration management through automation. Troubleshoot issues and handle incident escalations (occasionally out-of … expect an excellent salary and benefits package. My client is based in London, 3 days a week in the office Network Engineer, BGP, OSPF, LowLatency, Linux, FIX, Linux TT, RTS, Bloomberg, Scripting, Client Support, FIX Integration, Implementation, NYSE, FTSE, EUREX, ICE, Nasdaq LSE, LME More ❯
continued operations of the network. Work with Arista, Fortinet, Cisco, Juniper and A10 network devices. Assist in building of new high-performing, highly resilient, low-latency networks in multiple regions. Ensure efficient deployment and standard configuration management through automation. Troubleshoot issues and handle incident escalations (occasionally out-of … expect an excellent salary and benefits package. My client is based in London, 3 days a week in the office Network Engineer, BGP, OSPF, LowLatency, Linux, FIX, Linux TT, RTS, Bloomberg, Scripting, Client Support, FIX Integration, Implementation, NYSE, FTSE, EUREX, ICE, Nasdaq LSE, LME More ❯
london (city of london), south east england, United Kingdom
Quant Capital
continued operations of the network. Work with Arista, Fortinet, Cisco, Juniper and A10 network devices. Assist in building of new high-performing, highly resilient, low-latency networks in multiple regions. Ensure efficient deployment and standard configuration management through automation. Troubleshoot issues and handle incident escalations (occasionally out-of … expect an excellent salary and benefits package. My client is based in London, 3 days a week in the office Network Engineer, BGP, OSPF, LowLatency, Linux, FIX, Linux TT, RTS, Bloomberg, Scripting, Client Support, FIX Integration, Implementation, NYSE, FTSE, EUREX, ICE, Nasdaq LSE, LME More ❯
contract role on Amazon's pay roll. Want to be part of a dynamic start-up environment and aspire to build high quality, resilient, lowlatency and innovative solutions which can scale for next 100M payers? If yes, we at Amazon Pay India are in process of building … wide range of technologies (including AWS Elastic Search, Lambda, ECS, EDP, SQS, Dynamo DB, Slapshot, Herd, Horizonte etc.) and build and operate highly scalable, lowlatency mobile first products and services. You will take ownership over the software design, documentation, development, engineering approach, delivery and support of the More ❯
You will author docs to communicate vision, proposals and designs. About the team The mission of the Alexa Connectivity teams is to deliver a lowlatency, low cost, highly reliable, and high scalable connectivity between Alexa enabled devices and Alexa Cloud. The changes we make, improves the More ❯
a talented C# Developer to join their front-office technology team. This is a unique opportunity to work closely with traders and quants, building low-latency, high-performance systems that directly impact trading outcomes. You’ll be developing and enhancing critical components across pricing, execution, and risk, using … and APIs in C# You’ll be developing robust, scalable applications that power real-time trading and analytics. Expect to work on everything from low-latency market data processing to trade capture systems, all built using modern C#/.NET frameworks. Collaborating with front-office stakeholders to understand … refactoring, and fine-tuning to ensure your applications are lightning-fast and resilient, capable of handling large volumes of data and transactions with minimal latency and downtime. Participating in system architecture, design reviews, and deployment strategies Beyond just coding, you'll help shape the technical direction of the platform More ❯
a talented C# Developer to join their front-office technology team. This is a unique opportunity to work closely with traders and quants, building low-latency, high-performance systems that directly impact trading outcomes. You’ll be developing and enhancing critical components across pricing, execution, and risk, using … and APIs in C# You’ll be developing robust, scalable applications that power real-time trading and analytics. Expect to work on everything from low-latency market data processing to trade capture systems, all built using modern C#/.NET frameworks. Collaborating with front-office stakeholders to understand … refactoring, and fine-tuning to ensure your applications are lightning-fast and resilient, capable of handling large volumes of data and transactions with minimal latency and downtime. Participating in system architecture, design reviews, and deployment strategies Beyond just coding, you'll help shape the technical direction of the platform More ❯
a talented C# Developer to join their front-office technology team. This is a unique opportunity to work closely with traders and quants, building low-latency, high-performance systems that directly impact trading outcomes. You’ll be developing and enhancing critical components across pricing, execution, and risk, using … and APIs in C# You’ll be developing robust, scalable applications that power real-time trading and analytics. Expect to work on everything from low-latency market data processing to trade capture systems, all built using modern C#/.NET frameworks. Collaborating with front-office stakeholders to understand … refactoring, and fine-tuning to ensure your applications are lightning-fast and resilient, capable of handling large volumes of data and transactions with minimal latency and downtime. Participating in system architecture, design reviews, and deployment strategies Beyond just coding, you'll help shape the technical direction of the platform More ❯
Investment Bank that is embarking on a groundbreaking project to build an entire eTrading Rates platform from scratch. Key Responsibilities: Develop and implement a low-latency eTrading system using Core Java. Collaborate with cross-functional teams to design and build a high-performance trading platform. Ensure the system … experience in Core Java development. Proven expertise in electronic trading systems (no preference on asset class Fixed Income is ideal). Experience Developing a lowlatency trading platform. 2-8 Years Experience within E-Trading. 2-8 Years of Work Experience Why Join Us: Be part of a More ❯
Investment Bank that is embarking on a groundbreaking project to build an entire eTrading Rates platform from scratch. Key Responsibilities: Develop and implement a low-latency eTrading system using Core Java. Collaborate with cross-functional teams to design and build a high-performance trading platform. Ensure the system … experience in Core Java development. Proven expertise in electronic trading systems (no preference on asset class Fixed Income is ideal). Experience Developing a lowlatency trading platform. 2-8 Years Experience within E-Trading. 2-8 Years of Work Experience Why Join Us: Be part of a More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Caspian One
Investment Bank that is embarking on a groundbreaking project to build an entire eTrading Rates platform from scratch. Key Responsibilities: Develop and implement a low-latency eTrading system using Core Java. Collaborate with cross-functional teams to design and build a high-performance trading platform. Ensure the system … experience in Core Java development. Proven expertise in electronic trading systems (no preference on asset class Fixed Income is ideal). Experience Developing a lowlatency trading platform. 2-8 Years Experience within E-Trading. 2-8 Years of Work Experience Why Join Us: Be part of a More ❯
SaaS company. They're an established , profitable , maturing business, with millions of users globally . Their infrastructure group ensure fast queries , high availability , and low - latency data processing across the platform. 💥 This group is looking for a Principal Engineer in London to help: scale their core data capabilities … by 100x to open bigger enterprise opportunities ensure fast queries, high availability , and low - latency data processing across the platform drive best practices around observability , ensuring data integrity and service uptime 💥 They're seeking someone with: a track record designing and building complex , cloud - native SaaS platforms confidence More ❯
SaaS company. They're an established , profitable , maturing business, with millions of users globally . Their infrastructure group ensure fast queries , high availability , and low - latency data processing across the platform. 💥 This group is looking for a Principal Engineer in London to help: scale their core data capabilities … by 100x to open bigger enterprise opportunities ensure fast queries, high availability , and low - latency data processing across the platform drive best practices around observability , ensuring data integrity and service uptime 💥 They're seeking someone with: a track record designing and building complex , cloud - native SaaS platforms confidence More ❯
SaaS company. They're an established , profitable , maturing business, with millions of users globally . Their infrastructure group ensure fast queries , high availability , and low - latency data processing across the platform. 💥 This group is looking for a Principal Engineer in London to help: scale their core data capabilities … by 100x to open bigger enterprise opportunities ensure fast queries, high availability , and low - latency data processing across the platform drive best practices around observability , ensuring data integrity and service uptime 💥 They're seeking someone with: a track record designing and building complex , cloud - native SaaS platforms confidence More ❯
direct contract role on Amazon's payroll. Want to be part of a dynamic start-up environment and aspire to build high quality, resilient, lowlatency, and innovative solutions that can scale for the next 100M payers? If yes, we at Amazon Pay India are building a greenfield … the heart of Amazon innovation. Engineers will work on a variety of technologies including AWS Elastic Search, Lambda, ECS, DynamoDB, and more, building scalable, lowlatency, mobile-first products. Key Responsibilities Manage the entire development lifecycle of solutions with significant impact. Collaborate with cross-disciplinary teams to design More ❯
building systems that operate at exabyte scale with nanosecond precision. This is an opportunity to work alongside some of the most talented minds in low-latency systems and infrastructure globally — engineers and researchers who are constantly pushing the boundaries of distributed computing, ultra-efficient networking, and high-performance … hybrid hardware/software systems to accelerate real-time computation at global scale. What They’re Looking For 2-12 years of experience in low-level C++ , with a strong understanding of performance-critical environments. Hands-on experience working at exabyte scale or within high-throughput infrastructure (Big Tech … next-gen infra teams). Deep knowledge of computer architecture , networking , and storage systems . Exposure to kernel-level tuning , network stack optimisation , or low-latency distributed systems is a significant advantage. A passion for systems design, optimisation, and building high-performance tooling from the ground up. If More ❯
building systems that operate at exabyte scale with nanosecond precision. This is an opportunity to work alongside some of the most talented minds in low-latency systems and infrastructure globally — engineers and researchers who are constantly pushing the boundaries of distributed computing, ultra-efficient networking, and high-performance … hybrid hardware/software systems to accelerate real-time computation at global scale. What They’re Looking For 2-12 years of experience in low-level C++ , with a strong understanding of performance-critical environments. Hands-on experience working at exabyte scale or within high-throughput infrastructure (Big Tech … next-gen infra teams). Deep knowledge of computer architecture , networking , and storage systems . Exposure to kernel-level tuning , network stack optimisation , or low-latency distributed systems is a significant advantage. A passion for systems design, optimisation, and building high-performance tooling from the ground up. If More ❯
building systems that operate at exabyte scale with nanosecond precision. This is an opportunity to work alongside some of the most talented minds in low-latency systems and infrastructure globally — engineers and researchers who are constantly pushing the boundaries of distributed computing, ultra-efficient networking, and high-performance … hybrid hardware/software systems to accelerate real-time computation at global scale. What They’re Looking For 2-12 years of experience in low-level C++ , with a strong understanding of performance-critical environments. Hands-on experience working at exabyte scale or within high-throughput infrastructure (Big Tech … next-gen infra teams). Deep knowledge of computer architecture , networking , and storage systems . Exposure to kernel-level tuning , network stack optimisation , or low-latency distributed systems is a significant advantage. A passion for systems design, optimisation, and building high-performance tooling from the ground up. If More ❯