Network Engineer – Trading & Electronic Trading Infrastructure

Join OLIX: Pioneering the Future of AI HardwareAt OLIX, we are at the forefront of addressing the unprecedented growth of AI technology, which is reshaping industries and demanding a revolution in hardware infrastructure. Our flagship innovation, the Optical Tensor Processing Unit (OTPU), represents a paradigm shift in chip design, offering unparalleled performance and energy efficiency that current technologies cannot achieve.Your Role as a Staff Electronics EngineerWe are on the lookout for a talented Staff Electronics Engineer to spearhead the development of high-speed, mixed-signal, and compact power electronics that are integral to OLIX’s optical compute platforms. In this role, you will collaborate closely with teams across ASIC, FPGA, Optical, Mechanical, Firmware, and Systems to deliver cutting-edge, energy-efficient hardware solutions, including PCIe-based platforms and integrated systems operating at speeds exceeding 25–56Gb/s.You will report directly to the Electronics Engineering Manager, taking on both hands-on execution and strategic technical leadership in board-level and subsystem design.Key ResponsibilitiesArchitect and guide the technical direction of intricate high-layer-count PCBs and accelerator subsystems.Develop and implement signal integrity and power integrity strategies across entire product lines.Lead initiatives focused on energy-efficient hardware design and optimization of performance-per-watt.Conduct schematic and layout reviews, providing mentorship in high-speed design best practices.Oversee the complete product-level hardware development process from concept to production independently.Serve as a technical authority in cross-functional design discussions.Design and develop high-speed multilayer PCBs supporting serial interfaces such as PCIe Gen4/Gen5 and SERDES-based links.Implement and validate high-current, low-voltage power delivery systems for ASICs and FPGAs.Perform comprehensive signal integrity (SI) and power integrity (PI) analysis during schematic and layout phases.Define PCB stack-ups, routing constraints, impedance control strategies, and return path methodologies.

About OLIXAs artificial intelligence evolves at an unprecedented pace, the demand for advanced computing solutions has surged, revealing a critical infrastructure gap in the industry. Traditional hardware designs, which have remained unchanged for over a decade, can no longer meet the escalating needs of AI applications. At OLIX, we are pioneering the next generation of computing technology with our Optical Tensor Processing Unit (OTPU), designed to deliver unmatched performance and energy efficiency that surpasses existing chip technologies.The RoleWe are on the lookout for a seasoned Senior Electronics Engineer to join our team and play a vital role in developing high-speed, mixed-signal, and power-dense electronics that will be integral to OLIX's optical computing platforms. In this position, you will collaborate with diverse teams, including ASIC, FPGA, Optical, Mechanical, Firmware, and Systems, to create robust and energy-efficient hardware accelerators, including advanced PCIe-based platforms and systems capable of operating at speeds exceeding 25–56Gb/s.You will report to the Electronics Engineering Manager and be involved in both practical execution and strategic technical direction across board-level and subsystem design.ResponsibilitiesDesign and develop high-speed multilayer PCBs that support serial interfaces operating at 25–56Gb/s+ (e.g., PCIe Gen4/Gen5, SERDES-based links).Implement and validate high-current, low-voltage power delivery networks for ASICs and FPGAs.Conduct signal integrity (SI) and power integrity (PI) analysis during schematic and layout phases.Contribute to PCB stack-ups, routing constraints, impedance control strategies, and return path methodologies.Engage in lab-based board bring-up, debugging, and high-speed compliance validation.Assist in the integration of analog front-ends, clock architectures, and mixed-signal subsystems.Collaborate across teams to ensure optimal system performance, manufacturability, and reliability.Support EVT/DVT/PVT builds and transition to production while producing thorough design documentation and validation reports.

Join comind as the Electronics Engineering Manager, where you will lead a dynamic team in developing cutting-edge electronic solutions. Your expertise will drive innovation and enhance our product offerings, making a significant impact in the technology landscape.

Role overview Antithesis is seeking a Senior or Staff Engineer in London, UK to focus on Hegel. The team values creative problem-solving and technical depth, with engineers regularly exchanging ideas and expertise to drive projects forward. Collaboration is a core part of the work culture. What you will do Tackle complex engineering challenges involving Hegel Support both new and ongoing projects that influence the team’s direction Work closely with colleagues to develop practical solutions Requirements Previous experience at a senior or staff engineering level Keen interest in working with Hegel Enjoys sharing knowledge and collaborating with others Motivated to try new technical approaches Location This role is based in London, UK.

Join our innovative team at antithesis as a Senior/Staff Engineer specializing in Bombadil. In this pivotal role, you will lead engineering projects, collaborate with cross-functional teams, and drive the development of cutting-edge solutions. Your expertise will be crucial in enhancing system performance and ensuring the seamless integration of new technologies.

ionate is hiring a Principal Power Electronics Engineer in London. This senior position centers on creating and refining advanced power electronics solutions to boost energy efficiency and system performance. The work plays a direct role in supporting client projects as the energy sector evolves. Role overview The Principal Power Electronics Engineer will design and develop solutions for complex power systems. The position requires deep technical knowledge and the ability to address client requirements in a rapidly changing industry. Key focus areas Designing advanced power electronics systems Improving energy efficiency and overall system performance Supporting client needs within the energy sector Requirements Extensive experience in power electronics engineering Strong understanding of power systems Ability to develop solutions for evolving client and industry needs

AlphaSense seeks a Senior or Staff Design Engineer based in London. This position centers on developing new solutions that advance the company’s products. Design decisions in this role have a direct impact on the features and quality that clients depend on. Key responsibilities Shape and build product features from concept through delivery Apply design expertise to influence product direction and quality What you bring Strong background in design engineering Experience building solutions that drive product improvement Ability to make design choices that enhance client experience

Join Wabtec Corporation as an Electronics Engineering Specialist and contribute to cutting-edge projects that shape the future of transportation technology. In this role, you will be responsible for designing, developing, and implementing innovative electronic systems that enhance the efficiency and safety of railway operations.

About Helsing Helsing is an AI company focused on defense, working to help democracies maintain control over their own ethical standards. The team includes engineers, AI specialists, and program managers who collaborate closely with clients. Helsing values open discussion about technology's role in defense, its benefits, and the ethical questions it raises. Role Overview: Lead Electronics Engineer The Lead Electronics Engineer will define and oversee the electronic architecture for Helsing's marine robotic systems. This person will guide projects from early concept through to validated, production-ready hardware. The position connects electronics directly with AI, software, navigation, and control systems, enabling advanced autonomous capabilities on Helsing's platforms. What You Will Do Shape the electronic architecture for marine robotic systems from concept to production. Work with AI and software engineers to ensure hardware interfaces, sensor integration, and power systems support onboard inference and real-time autonomy. Collaborate with navigation and control engineers to integrate electronic subsystems that improve guidance, communication, and decision-making at sea. Partner with mechatronics and test engineers to ensure designs are manufacturable, validated, and reliable in operational environments. Provide technical leadership, making architectural decisions that balance scalability and cost-effectiveness across disciplines. Contribute to the development of platforms such as the SG-1 Fathom and the Lura AI system, supporting the defense of democratic nations. Locations Munich, Berlin, London, Paris, Warsaw, Tallinn, and Plymouth. Learn More For details on Helsing's marine products, visit https://helsing.ai/de/lura.

About UsSmarkets: Revolutionizing the Betting IndustryAt Smarkets, we operate one of the most advanced prediction markets worldwide, with over £29 billion processed since our inception in 2010. With a community of over 200,000 traders globally, we are redefining betting across various domains, from sports to political markets, ensuring the most competitive prices and fair odds.Our technology stack is meticulously crafted for scalability, reliability, and speed, utilizing Linux, Kafka, Postgres, Kubernetes, along with Python 3, C++17, and React. We build the infrastructure that institutions rely on while making trading accessible to all. Our resilience has allowed us to thrive through every market cycle and industry evolution.Central to our success are our talented team members. We foster a high-performance environment where exceptional skills flourish, combining in-depth business acumen with a commercial outlook to fuel strategic growth.If you are excited about shaping the future of prediction markets with cutting-edge technology and a focus on customer satisfaction, Smarkets is the perfect place for you.Your RoleWe are seeking a highly skilled Staff Engineer to spearhead our engineering initiatives in a senior individual contributor capacity, directly reporting to the VP of Engineering. As the most senior technical individual contributor in the organization, you will be instrumental in guiding our technology stack and fostering innovation across various teams.Key Responsibilities:Serve as a senior technical authority, offering strategic direction and hands-on assistance for impactful projects while advancing the engineering roadmap.Collaborate with the VP of Engineering to optimize our tech stack and enhance development methodologies.Work in tandem with frontend and backend teams to architect scalable and reliable microservices using Rust, Python, and Typescript.Enhance service latency and performance across PostgreSQL, Redis, and Kafka-based systems.Facilitate the deployment of CI/CD, monitoring, and alerting frameworks to maintain system health and performance.Promote engineering best practices and contribute to a culture of collaboration, continuous learning, and innovation.Influence and cultivate a top-tier engineering culture.Identify innovation opportunities to drive business value and sustain a competitive advantage.About You:Proven experience in software engineering, with a solid foundation in computer science principles.Expertise in Rust, Python, and Typescript is highly desirable.Strong problem-solving skills and a passion for innovation.Excellent communication and collaboration abilities.Ability to lead and mentor junior engineers.

Join Ki Insurance, a pioneer in the insurance industry, as we redefine a 335-year-old market with cutting-edge technology. Our innovative platform, developed in collaboration with Google and UCL, leverages algorithms and machine learning to deliver lightning-fast quotes to insurance brokers, transforming the industry standard.As the largest global algorithmic insurance carrier and the fastest-growing syndicate in the Lloyd's of London market, Ki Insurance has achieved extraordinary milestones, including generating $100 million in profit within just three years.Our diverse teams thrive in an agile, cross-functional environment, where collaboration and creativity lead to exceptional customer experiences. We are on the lookout for brilliant minds to join us on our mission to challenge conventions and explore new possibilities.As a Staff Software Engineer, you will play a pivotal role in our engineering team, providing technical leadership to both delivery squads and the broader engineering organization. You will champion engineering excellence and uphold high standards of quality, fostering a culture of continuous improvement. Your hands-on approach will enable you to design and deliver impactful software solutions while guiding your colleagues to achieve collective goals.Are you ready to make your mark? Develop robust and scalable software for critical web-based applications.Design, implement, test, document, and maintain APIs and integrations.Create new features within our core Kotlin-based services, collaborating with multi-disciplinary teams.Ensure quality control through techniques such as automated testing, code review, and pair programming.Work closely with the Product team to translate user requirements into effective technical solutions.Document technical designs and analyses thoroughly.Evaluate existing system architecture, identifying areas for enhancement and growth.Prototype and explore innovative ideas and technologies swiftly.Promote a culture of continuous improvement, leading by example and positively influencing our practices.

About H:At H, we are at the forefront of superintelligence, driven by our mission to harness agentic AI. Our innovative AI agents automate intricate, multi-step tasks traditionally carried out by humans, empowering individuals to reach their fullest potential.We are on the lookout for exceptional AI professionals who prioritize building responsibly and safely while pushing the boundaries of agentic technology. Our culture thrives on openness, continuous learning, and collaborative efforts, where every team member's contribution is valued.About the Team:Our Product Engineering Team plays a pivotal role in the successful deployment and operation of our Agents and Inference platforms, along with related services that support our Research department and lay the groundwork for our market-ready agentic products.Key Responsibilities:Lead the definition and execution of technical architecture, design, and strategic engineering roadmap.Design, develop, and maintain robust, high-performance, scalable systems.Mentor and inspire engineers across various teams, nurturing a culture of technical excellence.Conduct comprehensive code reviews and design evaluations to uphold quality and security standards.Collaborate closely with Research, Engineering, and other stakeholders to deliver impactful solutions.Enhance system reliability, scalability, and observability through continuous improvements.Establish and uphold engineering standards, tools, and processes.Drive innovation and proactively manage technical debt.

At Databricks, we're committed to empowering data teams to tackle some of the world's most challenging issues, including security threat detection and cancer drug development. Our mission is to create and manage the premier data and AI infrastructure platform so our customers can dedicate their efforts to the high-value challenges crucial to their missions. Our engineering teams develop cutting-edge products that meet significant real-world needs. We operate one of the largest-scale software platforms, comprising millions of virtual machines that generate terabytes of logs and process exabytes of data daily. Given our scale, we frequently encounter hardware, network, and operating system faults, and our software must effectively shield our customers from these challenges. The Delta DML team is responsible for the core write-path operations for Delta Lake, the open-source storage layer underlying the Databricks Lakehouse. Our goal is to deliver industry-leading performance and a seamless user experience at massive scale, with most data written in Databricks passing through our platform. We innovate in performance through features like Low Shuffle Merge and Deletion Vectors, and actively contribute to open-source initiatives that unify Delta and Iceberg formats. We are on the lookout for a highly skilled and experienced Senior Staff Software Engineer to join our backend team. In this pivotal role, you will design, develop, and maintain robust backend systems that power Databricks workspaces. You will work on building the next-generation platform for serving workspace assets, ensuring high queries per second (QPS), low latency, reliability, and performance while proactively addressing future growth challenges. As a senior member of the team, your responsibilities will also include providing technical leadership, mentorship, and guidance to junior engineers, thereby enhancing the overall coding practices and system designs of the team.

About the Role As a Staff AI Engineer at bluefishai, you will take on a pivotal role as a technical leader, driving the development of our LLM-powered products that are at the cutting edge of marketing and advertising technology. You will be instrumental in making architectural decisions, establishing quality benchmarks, and spearheading collaborative initiatives across multiple teams that yield tangible results. This position will empower you to shape the vision and execution of our data platform and LLM-driven products. You will oversee critical architectural aspects related to data pipelines, model integration, deployment, and evaluation. Your expertise will turn high-level product and business objectives into robust, scalable data solutions that provide measurable benefits for our Fortune 500 clients. This role encompasses both data backend and ML engineering, ensuring the reliability and cost-effectiveness of our pipelines while enhancing the performance of LLM-enabled features. You will elevate data literacy within the department through crafting and collaboration. Your responsibilities will include ensuring the health, cost management, and continuous improvement of key data products and platforms, working closely with full-stack engineers, product managers, designers, and devops to deliver reliable solutions that our customers can depend on. This is an exciting opportunity to influence the future of AI technologies and contribute significantly to impactful real-world applications. While this role is associated with our London office, we embrace flexibility with hybrid or remote work arrangements within the UK.

Production Engineer - Electronic Trading SystemsJoin MARGO in London, UKMARGO Group is a cutting-edge consultancy that provides high-value IT expertise to the financial services sector. We specialize in complex Front Office environments where trading activities depend on robust, high-performing, and resilient production systems. Our experts bridge the gap between trading, development, and infrastructure teams to ensure critical platforms operate reliably under the pressures of real-time market conditions.Becoming a part of MARGO means thriving in challenging production environments, benefiting from a close-knit structure, personalized support, and tailored training programs.Business ContextIn this role, you will engage with Front Office Production and Trading Technology environments, actively supporting live trading and electronic trading platforms. These critical production environments operate in real-time and necessitate strong ownership of system stability, performance, and incident management. You will interact closely with traders, developers, IT support, and infrastructure teams.Role OverviewWe are seeking a dedicated Front Office Production Engineer to manage, stabilize, and enhance our trading and electronic trading systems. This role is highly technical and focuses on production. It combines hands-on system operation with in-depth incident investigation, performance optimization, and automation, providing close support to Front Office users.This position is ideal for individuals who take pride in owning production systems, comprehending application behavior under load, and collaborating across teams to enhance reliability and performance.Key ResponsibilitiesProduction Ownership & Reliability· Operate and support Front Office trading systems in live production environments.· Ensure the highest levels of availability, stability, and performance during trading hours.

Verifone is looking for a Senior Network Engineer to help shape and support network infrastructure for payment systems. This position focuses on designing, implementing, and maintaining secure network solutions that keep payment platforms connected and protected. Key responsibilities Design and build network solutions tailored for payment systems Maintain and improve network connectivity and security across various platforms Work closely with teams from different functional areas to support business needs Collaboration This role involves regular interaction with colleagues from multiple departments, ensuring network solutions align with broader organizational goals. Locations Ashford, England, United Kingdom London, England, United Kingdom Warszawa, Masovian Voivodeship, Poland

Convergent Research is seeking a Staff Engineer specializing in FPGA Engineering to join the team in London. This position centers on FPGA design and development for technology projects that drive ongoing research and engineering work. Role overview This role contributes to shaping technical solutions that advance the organization's research initiatives. The Staff Engineer will work closely with other engineers and researchers to address complex challenges in FPGA systems. What you will do Design and develop FPGA-based systems for a variety of research-focused projects Use advanced knowledge in FPGA engineering to tackle technical problems Collaborate with cross-functional teams of engineers and researchers Work environment The team emphasizes open communication and values creative approaches to problem solving. Collaboration and a focus on technical progress are central to the group’s work style.

At Databricks, we are dedicated to empowering data teams to tackle some of the world's most challenging problems — from revolutionizing transportation to advancing medical innovations. We achieve this by developing and operating the world's leading data and AI infrastructure platform, enabling our customers to harness deep insights from data to elevate their business outcomes. Founded by engineers and driven by customer obsession, we seize every opportunity to confront complex technical challenges, whether it's crafting next-generation UI/UX for data interfaces or scaling our services and infrastructure across millions of virtual machines. Our journey has only just begun. Our engineering teams are at the forefront of creating impactful products that address significant global needs. We operate one of the largest-scale software platforms, managing millions of virtual machines, generating vast amounts of logs, and processing exabytes of data daily. Given our scale, we frequently encounter cloud hardware, network, and operating system faults, and our software must seamlessly shield our customers from these challenges. Unity Catalog serves as our platform's native unified and open governance solution for data and AI. It eradicates silos, streamlines governance, and accelerates insights at scale. We are seeking a Senior Staff Software Engineer to lead the technical direction of Unity Catalog Runtime Enforcement. In this role, you will build and fortify the runtime enforcement layer for Unity Catalog, guaranteeing secure and consistent authorization and data access across Databricks compute, engines, and cloud environments. This initiative aims to reduce incidents and simplify customer choices by unifying enforcement semantics.

Galaxy Digital Services is hiring a Vice President of Java Electronic Trading Engineering in London. This position centers on building advanced crypto trading systems for institutional clients. The team works at the intersection of finance and technology, supporting a platform that spans trading, investment banking, asset management, staking, and tokenization technologies. Role overview The London trading technology group is looking for experienced software engineers to help shape the next generation of digital asset trading infrastructure. The work involves designing and developing server-side Java systems that underpin electronic trading activities. What you will do Develop and maintain trading systems using server-side Java Work on components such as order management, market connectivity, low latency messaging, or price distribution Take ownership of technical challenges and drive them to resolution Requirements Strong experience in server-side Java development Background in one or more of: order management systems, market connectivity, low latency messaging, or price distribution Proven analytical and problem-solving skills Ability to work independently and follow issues through to completion Our culture and values Strive for excellence Be selective to ensure effectiveness Maintain high alignment with loose coupling Encourage transparent disagreements Foster independent decision-making Assemble dream teams Galaxy Digital Services values individuals who thrive in a mission-driven, high-performance environment and who are motivated to help shape the future of digital assets and finance.