technology enthusiast to join its Quant team. This role involves hands-on technical knowledge within an engineering team who are responsible for the development/maintenance of a high-performance trading and research infrastructure. In the role you will contribute to the design and maintenance of the firm's extensive compute infrastructure. This encompasses operating system platforms, software development … tooling, high-performance computing, networking, and storage for research and trading. You will engage in a wide range of technology initiatives, examples include workload scheduling design and implementation. Fleet management, clustered file system design and operation, software design and life cycle (SDLC), kernel and network performancetuning for low-latency and high-throughput applications, and metrics collection More ❯
the Solana public blockchain. The team is focussed on building out both: -The next evolution of the Java Virtual Machine-based Corda DLT platform, designed to deliver greater value, performance, and resilience for both new and existing financial enterprises. -Integration of Corda with the high-performance Solana public blockchain to enable interoperability both among multiple Corda private networks … programming language. Corda knowledge/experience, or another DLT or Blockchain besides Solana. Experience with ZK Compression. Experience of message brokers and relational databases. Extensive JVM knowledge (garbage collection, performancetuning, and memory profiling). Familiarity with Kubernetes concepts & Kubernetes networking. Kotlin experience - but we regularly hire Java engineers with no Kotlin experience. PKI and other cryptographic knowledge. More ❯
Elastic Search. Strong understanding of scalable architecture, design patterns, and system security. Hands-on experience with agile methodologies and trunk-based development. Solid expertise in database modeling, optimization, and performancetuning, specifically PostgreSQL. Hands-on experience with event-driven queuing services (AWS SNS, Kafka, or similar). Experience with LLMs and AI Agents Experience with building resilient and … high-performance backend architectures (e.g., REST APIs, microservices). Nice to have Certifications in AWS Solutions Architecture, Docker, or Agile methodologies. Experience with GraphQL and additional modern frameworks (e.g., NestJS). Exposure to low-code platforms (e.g., Retool) for rapid application development. Experience in DevOps practices, including infrastructure-as-code (IaC), monitoring, alerting, and incident management. Familiarity with observability More ❯
concepts. Proven expertise in deploying Python applications using CI/CD, along with proficiency in designing and implementing CI/CD pipelines in Cloud environments. Excellent practical expertise in Performancetuning and system optimisation. Experience with PySpark and Azure Databricks for distributed data processing and large-scale data analysis. Proven experience with web frameworks , including knowledge of Django More ❯
number of libraries interfaced into a wide variety of systems. QLA are heavily involved in API design and library architecture to meet Engineering standards whilst optimizing time to delivery, performance, and robustness. We also assess and provision 3rd party software when proven superior. Review code. Assisting Quants with coding best practices and improved solutions both when requested and proactively … as prioritized in partnership with Quants. This might be longer term improvements related to the above, development work on infrastructural components (such as the interfacing and orchestration library layers), performancetuning, or deeper engagement with Quant projects. Proactively engage stakeholders from a variety of backgrounds. Understand, document and communicate sometimes quite complex requirements. Context switch between strategic projects More ❯
5+ in eTrading. Strong skills in Java , multi-threading, and low-latency development. Good understanding of fixed income or FX trading . Experience with Linux , TCP/UDP , and performance tuning. Familiar with test-driven development and system design. Comfortable working in a fast-paced, agile environment. If you're passionate about building high-performance systems and want More ❯
Job Description:** *About the Role* This is a critical technical role within our newly established IT team in Belfast, instrumental in ensuring the *stability, performance, and security of our SAP landscape*. You'll be the on-site digital/IM representative for infrastructure and platform activities, providing a vital link between our local Belfast operations and the central … services provided by the current supplier. A key aspect of your role will be to *assess the service we are receiving, contributing to the tracking and management of service performance* in partnership with them. You will also work alongside the current supplier's IT team as they implement a new SAP S/4HANA system. Critically, you'll need … driving decisions that align with our long-term objectives. Beyond this, you'll play a crucial role in maintaining and optimizing our SAP environment, ensuring high reliability, availability, and performance as we evolve our IT landscape. This position offers a unique opportunity to apply deep technical SAP expertise, *lead key projects and activities*, and contribute strategically to the success More ❯
systems that support critical research and trading workloads. This role offers the opportunity to work on innovative, high-impact projects at the intersection of cloud, open-source, and high-performance computing. The Role: Design and develop scalable data orchestration services across cloud and on-prem environments. Create unified platform abstractions to streamline data access across diverse storage technologies. Integrate … open-source and vendor storage solutions through rapid prototyping and engineering. Optimise storage performance and efficiency across large-scale infrastructure. Collaborate across engineering functions to deliver robust end-to-end platform capabilities. Own operational responsibilities: troubleshooting, performancetuning, and user support. Your Background: 5+ years' development experience with a degree in Computer Science, Engineering, or related field. … Datadog. Exposure either AWS or GCP plus IaC, (Terraform or similar) would be beneficial. Knowledge with open-source storage tools (Ceph, Minio, JuiceFS or Fuse) and familiarity with high-performance data transport protocols (RDMA, GPUDirect, DPDK) would be well received. This is a chance to contribute to a mission-critical team operating at the forefront of platform engineering in More ❯
systems that support critical research and trading workloads. This role offers the opportunity to work on innovative, high-impact projects at the intersection of cloud, open-source, and high-performance computing. The Role: Design and develop scalable data orchestration services across cloud and on-prem environments. Create unified platform abstractions to streamline data access across diverse storage technologies. Integrate … open-source and vendor storage solutions through rapid prototyping and engineering. Optimise storage performance and efficiency across large-scale infrastructure. Collaborate across engineering functions to deliver robust end-to-end platform capabilities. Own operational responsibilities: troubleshooting, performancetuning, and user support. Your Background: 5+ years' development experience with a degree in Computer Science, Engineering, or related field. … Datadog. Exposure either AWS or GCP plus IaC, (Terraform or similar) would be beneficial. Knowledge with open-source storage tools (Ceph, Minio, JuiceFS or Fuse) and familiarity with high-performance data transport protocols (RDMA, GPUDirect, DPDK) would be well received. This is a chance to contribute to a mission-critical team operating at the forefront of platform engineering in More ❯
as primary technical authority for Oracle database architecture with a specialized focus on Oracle Exadata platforms Lead deployment, configuration, and optimization of Oracle platforms, leveraging advanced features while establishing performancetuning methodologies and disaster recovery protocols Design data models, physical schemas, and partitioning strategies for high-volume workloads while overseeing database upgrades and patch deployment with minimal disruption … processing and high-frequency data operations Extensive experience with Oracle Exadata platforms, including configuration, optimization, and troubleshooting Hands-on expertise with Oracle RAC, Data Guard, ASM, RMAN, and advanced performancetuning techniques Deep understanding of Oracle database architecture, including advanced features and optimization techniques Experience with Oracle Enterprise Manager (OEM) for installation, upgrades, administration, and monitoring Knowledge of More ❯
as primary technical authority for Oracle database architecture with a specialized focus on Oracle Exadata platforms Lead deployment, configuration, and optimization of Oracle platforms, leveraging advanced features while establishing performancetuning methodologies and disaster recovery protocols Design data models, physical schemas, and partitioning strategies for high-volume workloads while overseeing database upgrades and patch deployment with minimal disruption … processing and high-frequency data operations Extensive experience with Oracle Exadata platforms, including configuration, optimization, and troubleshooting Hands-on expertise with Oracle RAC, Data Guard, ASM, RMAN, and advanced performancetuning techniques Deep understanding of Oracle database architecture, including advanced features and optimization techniques Experience with Oracle Enterprise Manager (OEM) for installation, upgrades, administration, and monitoring Knowledge of More ❯
as primary technical authority for Oracle database architecture with a specialized focus on Oracle Exadata platforms Lead deployment, configuration, and optimization of Oracle platforms, leveraging advanced features while establishing performancetuning methodologies and disaster recovery protocols Design data models, physical schemas, and partitioning strategies for high-volume workloads while overseeing database upgrades and patch deployment with minimal disruption … processing and high-frequency data operations Extensive experience with Oracle Exadata platforms, including configuration, optimization, and troubleshooting Hands-on expertise with Oracle RAC, Data Guard, ASM, RMAN, and advanced performancetuning techniques Deep understanding of Oracle database architecture, including advanced features and optimization techniques Experience with Oracle Enterprise Manager (OEM) for installation, upgrades, administration, and monitoring Knowledge of More ❯
approach in conjunction with open-source tools to ensure a scalable and reliable environment in which to operate. Within MSIE, the Systems Internals team is responsible for kernel-space performance and configuration standards, developing tooling for networking stack functionality, and providing engineering leadership for how best to optimize the interaction between applications and OS interfaces. The team is composed … in eBPF and/or the Linux kernel and acts as a bridge between application development teams and the lower-level components of the OS by assisting with application performance profiling, benchmarking and certifying production-readiness of new OS releases and patches, and advising on how best to consume system resources. What's in it for you: You'll … critical systems hosting a wide array of applications for the Bloomberg Terminal product. You will regularly collaborate with other OS and service-owning teams to maintain the stability and performance of operating systems and servers. We'll depend on you to advise on the design, architecture, and utilization of enterprise-class operating systems, with particular focus on Linux. You More ❯
and massive CPU and GPU clusters in globally distributed data centers. As such, this is a high-impact role with broad scope, from HPC/AI cluster design and performancetuning, to troubleshooting and automation for thousands of nodes. Responsibilities Design, build, and optimize large-scale distributed GPU compute clusters Identify and resolve GPU workloads' performance bottlenecks … vendors to resolve complex issues Qualifications 5+ years of experience in large-scale Linux systems engineering in HPC, AI or distributed infrastructure roles. Extensive experience in Linux system installation, performancetuning, and troubleshooting Expertise in troubleshooting distributed GPU workloads Deep knowledge around GPU optimization and performance Proficiency in Python scripting and automation frameworks CUDA or C/… by high-impact work Annual base salary range of $200,000 to $300,000. Pay may vary depending on job-related skills and experience. A sign-on and discretionary performance bonuses may also be provided as part of the total compensation package, in addition to company-paid medical and/or other benefits. Culture Hudson River Trading (HRT) brings More ❯
waste and carbon emissions in the global concrete supply chain. Key responsibilities: Build and optimise backend services using modern, event-driven architecture on AWS Work on new features, APIs, performancetuning, and CI/CD improvements Collaborate closely with Data Science to deploy ML workloads in streaming systems Influence architecture and own key infrastructure components Key Skills: Five More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Lorien
expect to implement data model changes, database enhancements, and to contribute to larger projects when required. Main Tasks and Responsibilities: * Ongoing maintenance of database operations, including bug fixes and performancetuning * Intraday application-level support of database environments in close relationship with IT Production DBAs * Testing and implementation of database hardware migrations * Support and assistance to the rest … team's standards and tools · Document implemented functionality: both functional and technical · Liaise with other team members (globally) for joint developments · Design and/or execute Unit, Integration, System, Performance, Regression and Acceptance tests Carbon60, Lorien & SRG - The Impellam Group STEM Portfolio are acting as an Employment Business in relation to this vacancy. More ❯
City of London, London, United Kingdom Hybrid / WFH Options
REC SOLUTIONS LIMITED
openness, and excellence. My client work in a collaborative style and take collective responsibility for successes and our failures. We value: High personal integrity Innovative thinking Efficient and reliable performance Spark You will join a supportive team, where we aim to recruit the best people from all walks of life and diverse business backgrounds. If these sentiments align with … the day-to-day operations of the Linux infrastructure team, including both senior-level system administrators and the Linux support desk staff. This role ensures the stability, security, and performance of mission-critical Linux-based systems including multiple exchanges as well as providing strategic direction, operational excellence, effective team leadership and close collaboration with other departments Responsibilities and Duties … initiatives. Assist with planning, management and resource allocation of inter-departmental projects alongside the PM team. Oversee incident management, root cause analysis, and rapid resolution of system outages or performance degradation. Ensure compliance of procedures such as change management, patch management and security and audit processes. Assist in the maintenance of these procedures. Support regular security audits and penetration More ❯
City of London, London, United Kingdom Hybrid / WFH Options
REC SOLUTIONS LIMITED
openness, and excellence. My client work in a collaborative style and take collective responsibility for successes and our failures. We value: High personal integrity Innovative thinking Efficient and reliable performance Spark You will join a supportive team, where we aim to recruit the best people from all walks of life and diverse business backgrounds. If these sentiments align with … the day-to-day operations of the Linux infrastructure team, including both senior-level system administrators and the Linux support desk staff. This role ensures the stability, security, and performance of mission-critical Linux-based systems including multiple exchanges as well as providing strategic direction, operational excellence, effective team leadership and close collaboration with other departments Responsibilities and Duties … initiatives. Assist with planning, management and resource allocation of inter-departmental projects alongside the PM team. Oversee incident management, root cause analysis, and rapid resolution of system outages or performance degradation. Ensure compliance of procedures such as change management, patch management and security and audit processes. Assist in the maintenance of these procedures. Support regular security audits and penetration More ❯
and technology. A typical day in this role involves collaborating with technology leaders, contributing to the enhancement of day-to-day operations, and ensuring improvements in availability, reliability, latency, performance, and efficiency of the ESC. You will be required to occasionally participate in "on-call" rotations to resolve incidents occurring out-of-hours. The overarching goal is to deliver … the operational health of services within your team's responsibility. In the process, you diligently identify anomalies and craft actionable bug reports, aspiring to enhance the overall efficiency and performance of your systems. In addition to these responsibilities, you offer constructive feedback on change management documents and work earnestly to address your team's operational backlog. Through a collaborative … Our continual innovation is fueled by the bold ideas, fresh perspectives, and passionate voices our teams bring to everything we do. Mentorship & Career Growth We're continuously raising our performance bar as we strive to become Earth's Best Employer. That's why you'll find endless knowledge-sharing, mentorship and other career-advancing resources here to help you More ❯
of Snowplow, and how we deliver it. You'll bring a different perspective and we'll want your input! Responsible for developing and productizing data models , focusing on scalability, performance and maintainability, and developing in-depth understanding of cloud data warehouses and common web and mobile analytics use cases. We'd love to hear from you if: SQL and … DBT are your thing . You master SQL, including manipulation of large data sets, performancetuning, etc You're adept with both batch and streaming data processing . You have experience building streaming pipelines using tools like Benthos , enabling real-time data ingestion, transformation, and delivery across various systems. You understand feature engineering and management. You're familiar More ❯
enterprise APIs and commercial experience with: SQL and NoSQL databases Containerisation Working in a continuous delivery environment Distributed and horizontally scalable systems Observability and monitoring tools Triaging production issues Performancetuning of JVM apps Nice to have Not vital, but you'll have the edge if you also have experience with: Kotlin Prometheus Query Language (PromQL) Grafana Prometheus More ❯
You will be responsible for maintaining a stable, secure, and highly available DB2 environment within a large-scale SysPlex setup . This includes performing upgrades, supporting disaster recovery, and tuning for performance. Key Responsibilities: Install, upgrade, and customise DB2 and related mainframe tooling Perform diagnostics, root cause analysis, and issue resolution Support disaster recovery, performancetuning , and … Skills: 7+ years of DB2 systems programming in a mainframe environment Experience in large data sharing SysPlex setups Strong troubleshooting across both infrastructure and DB2 layers Proven capability in performancetuning , monitoring, and system stability Desirable Skills: Experience with IDAA , CDC Replication , or DB2 replication tooling Exposure to 24/7 banking production environments Familiarity with parallel Sysplex More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Proactive Appointments
a permanent basis. Please note, the role is Hybrid, with 2 days required on-site each week. You will play a key role in network troubleshooting, security enhancements, and performancetuning, while collaborating with cross-functional teams to support business continuity and IT modernization initiatives. You will be rewarded with an excellent salary, as well as a brilliant … intrusion prevention systems Familiarity with network automation (Python, Ansible) and monitoring tools (SolarWinds, PRTG, Wireshark) Strong problem-solving and troubleshooting skills, with the ability to analyse packet captures and performance logs Network Engineer – Hybrid Due to the volume of applications received for positions, it will not be possible to respond to all applications and only applicants who are considered More ❯
financing Flow sales Duties will include the setting of proprietary software for booking, pricing and trading (manual and automaton, market interface) : Real-time settings Market data parameters Market access performancetuning Computation setup Duties will also include electronic executions matching, new releases deployment, bug reporting and new features or improvements requests to development teams. Qualifications - Excellent verbal and More ❯
