System Performance Engineer Jobs

At Lyft, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive. Our Infrastructure team is passionate about building software to solve problems at massive scale. We do this often, and when we believe our solution is worth sharing with the community, such as Envoy Proxy , we open source our ideas for the benefit of others. As an Observability team member, you are responsible for the operation and maintenance of our logging and metrics infrastructure. You ensure all teams at Lyft are aware of the operational health of their products by monitoring system availability and take a holistic view of our platform performance. You build software and platforms to automate infrastructure platform operations and management. By measuring and monitoring our operations you find opportunities to improve our systems in order to push our platform forward. You provide our partners with the support they need to help them build robust large scale distributed systems. We count on the reliability of our infrastructure to empower Lyft teams to provide our customers rich experiences that are highly available with rock solid performance to ensure our transportation platform continues to connect people and places. As we grow our team, we are seeking experienced Infrastructure Engineer to ensure that as our Infrastructure continues to scale, our platform continues to provide an essential and dependable service that transports millions of people every day. Specifically we are searching for someone who brings fresh perspectives, enjoys collaborating with cross-functional teams in order to continually improve our products and services for our customers. Responsibilities: Maintain, improve, and develop tooling and systems that enhance the reliability, scalability, and efficiency of our platform. Assist engineering teams in defining service-level objectives (SLOs) and provide the necessary toolin

About Us Infinitum has raised the bar for a new generation of motor that is better for the planet and people. The company’s patented air core motors offer superior performance in half the weight and size, at a fraction of the carbon footprint of traditional motors, making them pound for pound the most efficient in the world. Infinitum motors open up sustainable design possibilities for the machines we rely on to be smaller, lighter and quieter, improving our quality of life while also saving energy and reducing waste. Based in Austin, Texas, Infinitum is led by a team of industry experts and pioneers. To learn more, visit goinfinitum.com . Position: Principal Engineer, PCB Technology Location: Austin, TX (HQ) Reports To: Chief Technology Officer Job Overview The Principal Engineer, PCB Technology reports to the CTO and is responsible for directing the development and continuous improvement of Infinitum’s PCB stators. This includes definition, system verification testing as well as the direct support to the R&D, Manufacturing and Quality teams. This individual is a key contributor to the qualification of new stator designs that are produced in-house, or from supplier partners using a wide variety of laboratory and analytical equipment. The candidate is expected to possess and/or quickly gain complete knowledge of the Characterization Lab equipment and its use. The individual is expected to add to Infinitum’s Intellectual Property portfolio by leveraging novel approaches in design or methods that result in performance improvements and/ or cost reductions. The candidate directs the activities of the Stator CAM team outputting NC and test data files for the shop floor and process routes (batch cards). Job Description · Define and develop manufacturing process for heavy copper PCBs. · Specify and engage PCB manufacturing equipment suppliers in process qualification. · Work with the Product Engineering and Advanced Manufacturing groups to transfer products to p

Our vision is to transform how the world uses information to enrich life for all . Micron Technology is a world leader in innovating memory and storage solutions that accelerate the transformation of information into intelligence, inspiring the world to learn, communicate and advance faster than ever. Responsibilities Verify IP, subsystem, full-chip, and system-level HBM and DRAM designs to ensure functional correctness, performance, power efficiency, and product quality. Develop comprehensive verification plans from architecture and functional specifications in collaboration with architecture and design teams. Create, enhance, and maintain verification environments, UVM testbenches, test suites, and automated regression infrastructures. Define and execute coverage-driven verification strategies to achieve functional, assertion, and code coverage goals. Lead debug and root-cause analysis of complex design issues, drive bug resolution, and ensure verification closure. Apply advanced digital and mixed-signal verification methodologies using industry-standard simulation and verification tools. Drive continuous improvements in verification methodologies, automation, regression efficiency, and AI-assisted verification workflows. Collaborate closely with global design, architecture, product engineering, and system engineering teams to ensure successful project execution. Lead verification efforts for major HBM development programs and mentor engineers through technical leadership and knowledge sharing. Minimum Qualifications Bachelor's degree in Electrical Engineering, Computer Engineering, or a related field, or equivalent experience. 10+ years of experience in digital and/or mixed-signal design verification with a proven record of deli

MongoDB’s Replication Team builds the infrastructure that enables high availability, fault tolerance, automatic failover, and tunable consistency. As an engineer on the team, you will design and implement distributed-systems features that protect data and keep applications available under demanding operating conditions. You will work primarily in C++ on core database code, partner with engineers across MongoDB, and help shape features that are central to major MongoDB releases. This is an opportunity to apply distributed-systems fundamentals to a widely used database while solving challenging problems in correctness, performance, and operability. We're looking to speak with candidates based in New York City for our in-office working model. What you will do Design and implement replication features based on the Raft consensus protocol Improve failover behavior, availability, correctness, and performance across the replication system Write production-quality C++ and the unit, integration, and system tests needed to demonstrate correctness Use JavaScript and Python where appropriate to extend test coverage and validate end-to-end behavior Diagnose test failures, investigate bugs, and drive issues through root-cause analysis and resolution Measure the performance impact of code changes and prevent or resolve regressions Collaborate with partner engineering teams and stakeholders on large, cross-functional initiatives Investigate distributed-systems issues raised by customers and Technical Support, communicate findings clearly, and help deliver durable fixes Participate in code reviews, design reviews, and technical discussions that improve the quality of the team’s work Interview candidates and mentor junior engineers and interns What you bring Required At least five years of experience programming, debugging, and performance-tuning distributed or highly concurrent software systems Strong systems fundamentals, including multithreaded programming, concurrency, debugging,

About the Team Our Robotics team is focused on unlocking general-purpose robotics and pushing towards AGI-level intelligence in dynamic, real-world settings. Working across the entire model stack, we integrate cutting-edge hardware and software to explore a broad range of robotic form factors. We strive to seamlessly blend high-level AI capabilities with the constraints of physical systems to improve peoples’ lives. About the Role We are seeking a Senior Actuator Design and Integration Engineer to lead the development of custom electromechanical actuators for advanced robotic systems. You will own actuator development from early architecture and concept generation through prototype validation and system integration, partnering closely with mechanical, electrical, controls, firmware, reliability, and manufacturing teams. This role focuses on the design, integration, and validation of precision electromechanical systems, including motors, transmissions, sensing, structural components, and thermal architectures. You will help drive actuator development across the full engineering lifecycle while establishing scalable design, test, and integration practices for future robotic platforms. This role is based in San Francisco, CA, and requires in-person presence 4 days a week. In this role, you will Lead the architecture, design, and integration of custom robotic actuators, including motors, transmissions, sensing, thermal systems, structural components, and packaging. Define actuator requirements and system-level trade studies around torque density, bandwidth, efficiency, thermal performance, backdrivability, inertia, reliability, manufacturability, and cost. Design precision electromechanical assemblies with strong attention to tolerances, alignment, load paths, thermal expansion, sealing, wear, and serviceability. Drive actuator integration into robotic systems, partnering closely with controls, firmware, electrical, and robotics software teams to optimize closed-loop pe

Location : Come and join us in Barcelona! We are looking for a talented and motivated Backend Engineer (m/f/d) for our Driver Engagement Team. As part of a highly skilled, cross-functional team comprising Mobile Engineers, Backend Engineers, a Product Manager, a Product Designer, a Data Analyst, and an Engineering Manager, you will help shape the future of mobility with Freenow by Lyft and assist our drivers in their daily work. Our team is dedicated to enhancing the Engagement and Quality of Service (QoS) for drivers, ensuring they have the tools and insights needed to deliver exceptional service. We achieve this by: Building a driver loyalty and rewards system, to recognize and retain top-performing drivers Measuring and analyzing driver performance , providing actionable metrics to both drivers and internal teams. Enabling self-service capabilities , empowering drivers to manage their accounts efficiently. Providing access to support tools , ensuring drivers receive timely assistance. Integrating key insights into internal systems , fostering collaboration across teams. As a critical part of our company, this team's work directly impacts thousands of drivers and, ultimately, the experiences of millions of customers. Your contributions in this role will have a tangible and far-reaching effect on the lives of many. As an engineer on our team, you will tackle exciting challenges, including designing and building innovative products that enhance urban mobility—creating solutions that are delightful, sustainable, and tailored to the needs of our users. You'll be involved in every stage of product development, from ideation to implementation, ensuring a seamless and impactful experience. We also value a mindset that challenges the status quo —constantly exploring new technologies and approaches to improve our products and maintain a state-of-the-art codebase . Beyond technical excellence, your contributions will help foster a collaborative and inspiring team cult

Everpure (NYSE: P) has evolved from storage pioneer to data platform, closing fiscal 2026 with $3.7 billion in revenue, its first billion-dollar quarter, and accelerating growth into FY27. Our strategic agenda spans the companies defining the next era of technology - hyperscalers, AI labs, the AI hardware supply chain, data platform providers, and the broader AI ecosystem. This type of work—work that changes the world—is what the tech industry was founded on. So, if you're ready to seize the endless opportunities and leave your mark, come join us. THE ROLE As a Senior Technical Program Manager for Hyperscale Operations, you will serve as the primary technical coordination lead for integrating Everpure’s Direct Flash Modules (DFMs) into next generation hyperscale storage platforms. Working closely with hyperscale customers and ODM partners, Everpure’s hardware and firmware engineering, product engineering, quality, operations, you will drive the end-to-end technical execution required to ensure DFMs are seamlessly integrated into customer-designed storage servers and L10/L11 manufacturing. You will lead cross-functional program execution from architecture alignment and platform qualification through manufacturing ramp, driving issue resolution, root-cause analysis, and technical risk mitigation to deliver reliable, high-quality deployments that meet aggressive customer milestones. WHAT YOU'LL DO Orchestrate Hardware NPI Execution: Lead cross-functional engineering teams through EVT, DVT, and PVT milestone gates for complex storage server and L10/L11 rack systems, delivering scalable, high-yielding hardware platforms to high-volume manufacturing. Orchestrate Technical Issue Resolution: Lead cross-functional triage across hardware, firmware, product engineering, and quality teams to drive root-cause analysis and resolve system-level qualification issues and platform bottlenecks. Accelerate Strategic Partner Performance: Direct global contract manufacturers and sy

Our vision is to transform how the world uses information to enrich life for all . Micron Technology is a world leader in innovating memory and storage solutions that accelerate the transformation of information into intelligence, inspiring the world to learn, communicate and advance faster than ever. At Micron, the DRAM Design organization develops industry-leading memory solutions that span technology development, advanced circuit design, product engineering, system validation, and manufacturing enablement. Teams collaborate globally to deliver innovative memory products that meet demanding requirements for performance, quality, reliability, and time-to-market. As an Intern DRAM Design Engineer, you will contribute to the design, analysis, verification, and optimization of digital, analog, and mixed-signal circuits used in next-generation memory products. You will work closely with design, verification, product engineering, test, process integration, assembly, and marketing teams to support new product development and manufacturability initiatives. This role also provides opportunities to apply Artificial Intelligence and AI Assisted methodologies to improve design workflows, automation, and design quality. Responsibilities Play a key role in the development of new memory products through circuit build, layout, optimization, and validation of Memory, Logic, and Analog circuits. Support physical design activities including parasitic modeling, floor-planning, placement, routing, reticle experiments, tape-out revisions, and design verification using industry-standard simulation tools. Collaborate with global design, verification, product engineering, test, process integration, assembly, and marketing teams to improve manufacturability, quality, and product performance. Proactiv

About the Team Our Robotics team is focused on unlocking general-purpose robotics and pushing towards AGI-level intelligence in dynamic, real-world settings. Working across the entire model stack, we integrate cutting-edge hardware and software to explore a broad range of robotic form factors. We strive to seamlessly blend high-level AI capabilities with the constraints of physical systems to improve peoples’ lives. About the Role We are seeking an Actuator Gear Design Engineer to lead the development of custom gears and gear stages for advanced robotic systems. You will own actuator development from early architecture and concept generation through prototype validation and system integration, partnering closely with mechanical, electrical, controls, firmware, and reliability teams. You will partner with external suppliers and internal manufacturing to create full gearbox assemblies. This role focuses on the design, integration, and validation of precision gearing, including broader knowledge around motor electromagnetics, transmission types, sensing, structural components, and thermal architectures. You will help drive actuator development across the full engineering lifecycle while establishing scalable design, test, and integration practices for future robotic platforms. This role is based in San Francisco, CA, and requires in-person presence 4 days a week. In this role, you will: Lead the architecture, design, and integration of custom robotic actuator gearing. Define actuator requirements and system-level trade studies around torque density, bandwidth, efficiency, thermal performance, back drivability, inertia, reliability, manufacturability, and cost. Design precision electromechanical assemblies with strong attention to tolerances, alignment, load paths, thermal expansion, sealing, wear, and serviceability. Drive actuator integration into robotic systems, partnering closely with controls, firmware, electrical, and robotics software teams to optimize closed-lo

Job Overview: We are seeking a high-caliber Rust Systems Engineer to design, build, and optimize high-throughput, low-latency backend systems and infrastructure. In this role, you will go beyond web APIs—tackling low-level performance bottlenecks, complex state management, parallel compute algorithms, and concurrent data processing pipelines. If you thrive on deterministic memory management, zero-cost abstractions, and writing safe, blazingly fast concurrent systems, this role is for you. Key Responsibilities: High-Performance Architecture: Design and implement zero-cost, high-throughput, low-latency engine components and data processing pipelines in Rust. Concurrent & Thread-Safe Systems: Build thread-safe, lock-free, or fine-grained locked data structures and state machines capable of scaling across multi-core architectures without race conditions. Priority & Real-Time Threading: Design custom thread pools, task schedulers, and execution queues with priority-based task scheduling and resource allocation controls. Algorithmic Optimization: Implement complex computational logic, including high-efficiency recursive algorithms, tail-call optimizations, and dynamic cache-friendly data structures. Resource & Memory Management: Leverage Rust’s ownership model, lifetime annotations, custom allocators, and non-blocking I/O to achieve predictable low-latency profiling (minimizing allocations and cash misses). System Profiling & Benchmarking: Conduct continuous benchmarking (criterion), flame graph analysis, memory profiling (Val grind/heap track), and CPU SIMD/vectorization optimizations. Key Skills: Core Rust & Functional Programming: Advanced Rust Mastery: Deep experience with Rust internals (stdsync, stdcell, custom Drop, unsafe Rust boundaries, and macro systems). Closures & Higher-Order Functions: Mastery of Rust’s functional traits (Fn, FnMut, FnOnce), capturing environments, move semantics within closures, and passing unboxed closures for zero

The Storage Layer Services team is currently re-architecting the MongoDB Cloud Storage Layer. This is a relatively new team in MongoDB that sits at the heart of the next generation MongoDB Cloud Storage Architecture, and the team is working to build performant multi-tenant distributed storage services both to enhance our existing MongoDB cloud storage architecture and to power more of our customers' use cases more efficiently. Engineering at MongoDB is globally distributed, with a mix of folks being fully remote, hybrid, or in-office. We have a small but growing team that calls Sydney home, and we are looking for a Staff Engineer to join the team working closely with other teams in Sydney and North America. Our team champions a strong culture of inclusivity, diversity, and collaboration. If you want to work on a collaborative team that applies great engineering fundamentals to deliver core features of a popular database, join us! Let’s change what’s possible for application developers, system architects, and database operators. We are looking to speak to candidates who are based in Sydney for our hybrid working model. You’re an ideal candidate if: You have 10+ years of experience in programming, debugging, and performance tuning highly concurrent and/or distributed systems. Especially if you have worked in a systems language (C, C++, Rust, etc) for a number of those years You have a track record as an effective technical leader. You love helping teams be successful at solving vaguely defined problems in iterative and measurable ways. You put the customer first, and don’t hesitate to cross team boundaries in search of the right solution You have a solid grasp of related systems fundamentals, such as cache management, log-based recovery, transactions or performance profiling You’re comfortable reasoning about highly concurrent, asynchronous services — backpressure, tail latency, and the failure modes of replicated state machines You’ve worked on large, highly availabl

About the Role: As a Senior Software Engineer at K Health, you are the champion of technical excellence for a high-stakes portfolio of clinical AI and a suite of products that serve the patients and the physicians. We don't just build apps; we build, and operate modern, AI-powered, 24/7 virtual clinics for the nation’s largest health systems. In this role, your mission is to architect a product ecosystem where reliability, privacy, and performance are non-negotiable. You will lead the development of reusable components and resilient architectures that exude trust, ensuring that every patient interaction is seamless and every clinical data point is secure. You will be a "multiplier," creating the foundational frameworks that allow us to deploy 5-star experiences across a portfolio of partners without sacrificing the quality our users depend on. This role requires onsite presence in our New York City office 4 days a week and does not provide immigration support. What you will do: Architect for Trust: Design and drive a unified product engineering strategy that supports a portfolio of products and solutions, prioritizing modularity, reusability, and extreme resiliency. Full-Stack Ownership: Own the end-to-end lifecycle of products and features, from multi-platform clients, to the Kotlin/JVM-based backend services that power them. Quality as a Feature: Define and enforce standards for high-stakes engineering—ensuring that performance, accessibility, and data privacy are baked into the architecture, not added as afterthoughts. Platform Innovation: Proactively modernize our systems to leverage agentic AI tools that improve developer productivity and team efficiency. Platform Evolution: Build and maintain the shared libraries and DSLs that enable rapid, high-quality deployments for our health system partners. Technical Stewardship: Act as a stabilizing force in complex technical situations, bringing clarity to ambiguous requirements and making informed decisions that

About Pinecone Pinecone is the trusted AI knowledge company. Its trusted AI knowledge platform—including its Database, Nexus, and Marketplace products—power accurate, fast, and cost-effective AI applications for more than 10,000 customers and 1M developers worldwide. Pinecone's mission is to make AI knowledgeable. For more information, visit pinecone.io . About the Team and Role: We are hiring a senior/staff software engineer to help design and build core components of our next-generation knowledge retrieval system built for the AI era – search and retrieval infrastructure that powers high-quality, scalable, and enterprise-grade agentic systems. You’ll build the framework that allows our customers to connect knowledge–synthesized from structured and unstructured data–to modern LLM-powered applications, leveraging the world’s best-in-class vector DB supporting semantic search and hybrid retrieval. This role is ideal for someone who loves backend system architecture, distributed systems, and applied AI infrastructure. It is a high impact role with significant ownership across architecture, performance, and system reliability. Responsibilities: Design and build scalable platform components leveraging advanced retrieval via query planning, semantic and hybrid search, metadata-aware search, and LLM generation Design and build optimized indexing pipelines for structured and unstructured data Build backend services for semantic and hybrid retrieval, knowledge graph construction, and retrieval orchestration Improve retrieval quality through evaluation and observability frameworks Design APIs for internal and external user and agentic consumers Optimize latency, throughput and cost across large-scale inference and retrieval workloads Drive technical direction for reliability and security What You’ll Bring to the Table: To thrive in this role, you don't need to check every single box, but you should be deeply passionate about how to turn data into knowledge. Systems Expertise

About Pinecone Pinecone is the trusted AI knowledge company. Its trusted AI knowledge platform—including its Database, Nexus, and Marketplace products—power accurate, fast, and cost-effective AI applications for more than 10,000 customers and 1M developers worldwide. Pinecone's mission is to make AI knowledgeable. For more information, visit pinecone.io . About the Team and Role: We are hiring a senior/staff software engineer to help design and build core components of our next-generation knowledge retrieval system built for the AI era – search and retrieval infrastructure that powers high-quality, scalable, and enterprise-grade agentic systems. You’ll build the framework that allows our customers to connect knowledge–synthesized from structured and unstructured data–to modern LLM-powered applications, leveraging the world’s best-in-class vector DB supporting semantic search and hybrid retrieval. This role is ideal for someone who loves backend system architecture, distributed systems, and applied AI infrastructure. It is a high impact role with significant ownership across architecture, performance, and system reliability. Responsibilities: Design and build scalable platform components leveraging advanced retrieval via query planning, semantic and hybrid search, metadata-aware search, and LLM generation Design and build optimized indexing pipelines for structured and unstructured data Build backend services for semantic and hybrid retrieval, knowledge graph construction, and retrieval orchestration Improve retrieval quality through evaluation and observability frameworks Design APIs for internal and external user and agentic consumers Optimize latency, throughput and cost across large-scale inference and retrieval workloads Drive technical direction for reliability and security What You’ll Bring to the Table: To thrive in this role, you don't need to check every single box, but you should be deeply passionate about how to turn data into knowledge. Systems Expertise

At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving the global financial system and creating greater economic fairness and opportunity for more people, in more places around the world. And we get to do the best work of our career and grow our skills surrounded by colleagues who have our backs. If you’re ready to see your impact and unlock incredible career growth opportunities, join us, and build real world value. THE WORK: As a Senior Software Developer, you will build and own the platform powering financial clarity for businesses from SMEs to Fortune 500 enterprises. You will own full-stack feature delivery across front-end, server-side, and database tiers — leveraging Azure to craft scalable, resilient cloud solutions at the core of a fast-growing SaaS product. You will shape technical direction and mentor fellow engineers within a you-build-it-you-run-it team that holds itself to the highest standards. If you are energized by complex distributed systems and want to make a measurable impact on how the world manages its finances, this is the opportunity for you. WHAT YOU’LL DO: Partner with architects and product managers to design, estimate, and deliver cutting-edge features across the full stack — front-end, server-side, and database tiers Leverage Azure services to build powerful, scalable, and resilient cloud-native solutions Improve software applications and own delivery pipelines and feature flags, ensuring seamless integration and deployment Drive rigorous unit, integration, and non-functional testing — including performance and security — to guarantee production-ready software Use observability tools and logging to diagnose and resolve issues across development, test, and production environments Stay ahead of tech trends, engage with the broader tech commu