• Lead design and implementation enabling and optimizing HPC middleware (MPI and SHMEM) and AI middleware CCL stacks (e.g., NCCL/RCCL and related collective communication libraries) • Deliver performance-critical communication paths including low-latency small and medium message transfers, bulk SDMA data movement, GPU-Direct and IPC communication, and collective acceleration • Design and tune collective communication algorithms (latency-optimized and bandwidth-optimized), including GPU-aware collectives • Integrate middleware with underlying transports and provider layers such as libfabric/OFI, UCX, and verbs-style interfaces to achieve performance, portability, and maintainability • Implement and optimize memory registration strategies, progress and execution models, completion semantics, multi-rail communication behavior, and GPU memory handling • Drive upstream contributions across MPI/SHMEM projects, CCL ecosystems, and related components with a focus on upstreamable design and long-term maintainability • Represent Cornelis Networks in open-source communities through technical reviews, design discussions, and sustained technical leadership • Implement and prototype Ultra Ethernet capabilities supporting MPI/SHMEM and AI collective communication use cases • Collaborate with ecosystem partners to validate deployment models and performance scaling on customer-relevant configurations • Work closely with kernel, driver, and switch teams to deliver end-to-end performance aligned with the Cornelis product roadmap • Participate in architecture reviews, performance tuning, scaling validation, and multi-layer root-cause investigations • Analyze performance traces and triage advanced customer issues, translating findings into robust fixes and upstream improvements • Publish internal and external best practices, including tuning guidance, reference configurations, and debugging methodologies • Mentor senior engineers and promote best practices for design, testing, documentation, and code quality • Help define the long-term middleware technical roadmap aligned with product evolution and customer needs

• Work closely with clinical informatics and IT teams to define Epic integration requirements • Lead Epic integration design, development, and testing, ensuring quality and scalability • Coordinate with external partners (e.g. Epic consulting teams) to drive delivery • You’ll act as the SME on Epic integrations within our engineering team. • Build features across backend and frontend systems • Implement new services and API endpoints supporting clinical and operational use cases • Ship greenfield work, contributing to a modern tech stack that prioritizes speed and developer productivity • Partner with product, design, and other engineering teams to prioritize and deliver high-impact work • Ensure solutions meet security, privacy, and performance standards • Help define best practices and improve engineering processes

• Shaping our product by spearheading new features and services • Developing software tools to automate or improve processes ranging from data ingestion pipelines to bespoke cheminformatics workflows • Contributing to the culture of a rapidly growing company • Being challenged by your colleagues and learning something new every day

FirstWave Talent Strategies is seeking a Senior Software Engineer to join a high-impact technology team building scalable, performance-driven solutions. This role is responsible for designing, developing, and optimizing software systems that directly enhance user experience and business performance. You will collaborate cross-functionally to translate complex requirements into clean, reliable architecture. Your technical judgment will influence system integrity, scalability, and long-term product stability. We are looking for an engineer who operates with ownership, precision, and execution discipline. If you build systems that last and elevate standards through code, we welcome the conversation. Responsibilities - Design, develop, and maintain high-quality software applications and systems. - Collaborate with product managers and other stakeholders to gather requirements and deliver effective software solutions. - Conduct code reviews and provide mentorship to junior software engineers. - Utilize best practices in software development to ensure maintainability, scalability, and performance. - Identify and troubleshoot software defects and performance issues. - Stay updated with emerging technologies and industry trends to drive continuous improvement. - Contribute to the architectural design and improvement efforts of software systems.