Principl Engineer Jobs

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we’re on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other’s unique experiences and embrace the flexibility to do your best work. Creating a career you love? It’s Possible. At Pinterest, AI isn't just a feature, it's a powerful partner that augments our creativity and amplifies our impact, and we’re looking for candidates who are excited to be a part of that. To get a complete picture of your experience and abilities, we’ll explore your foundational skills and how you collaborate with AI. Through our interview process, what matters most is that you can always explain your approach, showing us not just what you know, but how you think. You can read more about our AI interview philosophy and how we use AI in our recruiting process here . Millions of people across the world come to Pinterest to find new ideas every day. It’s where they get inspiration, dream about new possibilities and plan for what matters most. Our mission is to help those people find their inspiration and create a life they love. As a Pinterest employee, you’ll be challenged to take on work that upholds this mission and pushes Pinterest forward. As a Principal Engineer on the AI Platform team, you'll help architect the infrastructure that powers both Generative AI and Recommender Systems across Pinterest's entire product suite. Our team builds the end-to-end engines for petabyte-scale data orchestration, model training and fine-tuning, and high-performance inference, ensuring our models scale seamlessly to hundreds of millions of inferences per second in service of over 600 million monthly active users.

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Roblox Studio is a world-class cloud IDE that facilitates instant synchronization between game developers using our flagship Team Create product. As a Principal Engineer with the Collaboration team, you will be reporting to the engineering manager, leading the architecture and design of workflows on Roblox Studio and our platform enabling Creators and AI agents to collaborate at scale by creating, sharing, and managing reusable content. The ideal candidate has C++ and game engine experience, enjoys solving complex software problems and has a passion for mentoring other engineers on the team. We believe that collaborative teams are the future of building one’s imagination on Roblox and you will be designing and building features which unlock that vision. Join us in our mission to make collaboration development in the metaverse performant, social and most of all fun! You Are: Experienced : you have at least 8+ years experience and you've worked on deep and challenging problems with large scale systems along with experience in C++ codebases. You hold a BS or MS in Computer Science, or have equivalent practical experience. Understands Scale: Building highly available and scalable systems

Our vision is to transform how the world uses information to enrich life for all. Join an inclusive team passionate about one thing: using their expertise in the relentless pursuit of innovation for customers and partners. The solutions we build help make everything from virtual reality experiences to breakthroughs in neural networks possible. We do it all while committing to integrity, sustainability, and giving back to our communities. Because doing so can fuel the very innovation we are pursuing. About the Role Join Micron’s Advanced NAND Technology (ANT) Singapore team to drive the future NAND technology roadmap through advanced pathfinding and integration. In this role, you will work in a cutting-edge R&D environment, developing next-generation memory technologies by bridging device concepts, materials, and process integration into manufacturable solutions. You will leverage AI-enabled data analytics and model-driven methodologies to analyze complex datasets, accelerate learning cycles, and solve critical scaling challenges, directly impacting future memory nodes. Key Responsibilities Drive 3D NAND integration and technology roadmap , leading pathfinding and advanced architecture enablement. Lead end-to-end development (conception → technology validation) including learning vehicles, characterization, and debug. Solve complex integration challenges using data-driven, AI-assisted, and model-based approaches , identifying critical technology gaps and enabling solutions. Define and optimize module/process architecture (electrical targets, process flows, design rules) to

Work Flexibility: Hybrid or Onsite Stryker is seeking a dynamic and visionary product development leader with a proven track record of leading large, complex product development programs through the application of systems engineering principles. As the technical quarterback, this individual will drive alignment, collaboration, and execution across a multidisciplinary global product line, ensuring teams work cohesively toward shared objectives while delivering innovative solutions that improve patient care. As medical technologies continue to evolve, our products must operate seamlessly within broader healthcare ecosystems and enabling technology platforms. This leader will be responsible for defining and overseeing system-level architectures, ensuring robust integration across hardware, software, data, connectivity, and partner technologies. They will champion a systems-thinking approach, proactively identify opportunities and risks, and ensuring our products deliver a seamless user experience while supporting the future needs of a connected healthcare environment. The ideal candidate combines deep technical expertise with exceptional leadership, influencing stakeholders across functions, geographies, and organizational levels to bring complex systems and product visions to life. https://www.stryker.com/us/en/nse.html What You Will Do Lead system architecture, technical strategy, and integration activities for complex medical device products and platforms. Translate customer, clinical, and business needs into system-level requirements and drive alignment across software, electrical, and mechanical engineering teams. Lead requirements development, allocation, traceability, and verification planning thro

Our vision is to transform how the world uses information to enrich life for all. Join an inclusive team passionate about one thing: using their expertise in the relentless pursuit of innovation for customers and partners. The solutions we build help make everything from virtual reality experiences to breakthroughs in neural networks possible. We do it all while committing to integrity, sustainability, and giving back to our communities. Because doing so can fuel the very innovation we are pursuing. As a Principal Engineer, you will be a senior technical authority who owns complex validation scopes, optimizes test flows, and leads technical problem solving for next generation HBM products. You’ll drive coverage completeness, improve detection efficiency, and mentor junior engineers—ensuring flawless product readiness through deep platform, Verilog simulation, and analysis expertise. Key Responsibilities Validation Execution Lead end‑to‑end Validation Run execution in a high‑pressure, fast‑paced environment , ensuring on‑schedule starts/completions , risk‑aware re‑plans , and efficient IQP/ETV material usage . Own time‑bound data crunching pipelines (automated log parsing, metrics aggregation, anomaly ranking) and deliver decision‑ready summary reports and sightings by agreed Cycle Time. Guarantee coverage completeness across MBIST and flows; drive Hot/Cold corners , TSV screen/AQLK , async timing boundary coverage, and evidence‑backed closure . Platform Leadership Develop and debug test programs on SM3/Cobra and Advantest V93K ; enforce code quality, reviews, and r

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. The High-Performance Integrated Group (HIG) develops next-generation High Bandwidth Memory (HBM) solutions for AI, machine learning, and high-performance computing applications. We are seeking an experienced HBM Architecture Engineer to define and drive the architecture of high-speed analog and mixed-signal IO subsystems for HBM products. This role focuses on PHY IO architecture, timing methodology, analog calibration schemes, and silicon learning frameworks that enable industry-leading bandwidth, power efficiency, and robustness. The successful candidate will collaborate across Design, Product Engineering, Modeling, Verification, Packaging, and System Architecture teams to define architectural requirements, drive technology innovation, and ensure successful translation from concept to silicon. As a technical leader, you will influence future HBM roadmap decisions, develop engineering methodologies, and mentor design teams on architectural principles, calibration strategies, and best practices for high-speed IO design. Key Responsibilities Define and drive next-generation HBM PHY and IO architecture , balancing performance, power, area, reliability, and manufacturability requirements. Architect high-performance transmit and receive paths , including clocking, signaling, equalization, timing alignment, and interface optimization. Define and optimize analog calibration architectures , including impedance calibration, reference v

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. What’s Encouraged Daily: Contribute to the development of new HBM products by assisting with the overall design, and layout . • Interpret product specifications and design circuits to meet the required functionality. • Design, implementation, and improvement of Complex Analog Mixed Circuits such as CMOS Amplifiers, Comparators, Bandgap references, V2I converters, LDOs, charge pumps, Oscillators, DLL, IO circuits (DDR/LPDDR), Delays, Process and temperature sensors in advanced semiconductor process nodes for advanced High Bandwidth Memory (HBM) products • Integration of modules with Power delivery network and propose design solution for optimum performance • Deep understanding of Array and its peripheral circuits. • Driving innovation into the future Memory generations within a dynamic work environment • Validate & optimize design for reliability (Device stress, Aging effect) • EM/IR simulation, optimize layout to achieve best circuit performance • Custom digital circuit design & validation • Parasitic modeling and assisting in design validation, reticle experiments and required tape-out revisions • Overseeing and managing the layout process including floor-planning, placement, and routing • Performing verification processes with modeling and simulation using industry standard simulators • Contributing to cross group communication to work towards standardization and group success • Working wit

Our vision is to transform how the world uses information to enrich life for all. Join an inclusive team passionate about one thing: using their expertise in the relentless pursuit of innovation for customers and partners. The solutions we build help make everything from virtual reality experiences to breakthroughs in neural networks possible. We do it all while committing to integrity, sustainability, and giving back to our communities. Because doing so can fuel the very innovation we are pursuing. Key Responsibilities Validation Execution Lead end‑to‑end Validation Run execution in a high‑pressure, fast‑paced environment , ensuring on‑schedule starts/completions , risk‑aware re‑plans , and efficient material usage . Own time‑bound data crunching pipelines (automated log parsing, metrics aggregation, anomaly ranking) and deliver decision‑ready summary reports and sightings by agreed Cycle Time. Guarantee coverage completeness across Validation flows; drive Hot/Cold corners , screen , timing boundary coverage, and evidence‑backed closure . Platform Leadership Develop and debug test programs on ATEs like Advantest and In-house ATE; enforce code quality, reviews, and release discipline. Align hardware configs ( handler, socket, loadboard, probe card ) to test intent and throughput targets. Advanced Analysis, Verilog Simulation & Automation Perform power/thermal characterization ; correlate IDD/thermal data with performance/reliability; author recommendations for content changes and silicon fixes. Architect and execute Verilog simulations (bench cre

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Roblox’s database team develops the next-generation, multi-tenant database platform that elastically scales and underpins every online data workload at Roblox. As a principal engineer on the database team, you will shape the architecture, build and launch critical database capabilities that keep our services fast, reliable and efficient at global scale. You will report to the Technical Director for Storage. You will: Design and implement new engine features —indexing, storage formats, WAL and replication protocols, sharding, and query-planner enhancements—that push latency, throughput, and availability boundaries. Evolve the control plane to deliver elastic scaling, autonomous healing, and zero-downtime schema or tenant moves across global regions. Profile and optimize critical code paths using kernel-level tracing and advanced performance tooling; drive systematic tail-latency reductions. Establish engineering best practices by leading design reviews, performance benchmarks, failure drills, and post-incident retrospectives. Automate everything : develop frameworks for testing, CI/CD, rollout safety, observability, and autoscaling so that the platform operates hands-off at scale. Ment

GitLab is the intelligent orchestration platform for DevSecOps. GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. More than 50 million registered users and more than 50% of the Fortune 100* trust GitLab to ship better, more secure software faster. The same principles built into our products are reflected in how our team works: we embrace AI as a core productivity multiplier, with all team members expected to incorporate AI into their daily workflows to drive efficiency, innovation, and impact. GitLab is where careers accelerate, innovation flourishes, and every voice is valued. Our high-performance culture is driven by our values and continuous knowledge exchange, enabling our team members to reach their full potential while collaborating with industry leaders to solve complex problems. Co-create the future with us as we build technology that transforms how the world develops software. * Fortune 500® is a registered trademark of Fortune Media IP Limited, used under license. Claim based on GitLab data. Fortune 100 refers to the top 20% ranked companies in the 2025 Fortune 500 list, published in June 2025. Fortune and Fortune Media IP Limited are not affiliated with, and do not endorse products or services of GitLab. About the role We are looking for a Principal Engineer to help build GitLab Duo Agent Platform, the agentic orchestration layer that runs AI agents and flows across the entire software lifecycle. Principal Engineers at GitLab are recognized experts across multiple technology domains and represent the senior technical leadership within their organization. In this role you will set technical direction for a significant part of the Agent Platform, working across several teams to turn agentic capabilities into something engineering organizations can actually depend on: predictable, observable, governable, and fast enough to sit in th

Principal Engineer, Global Environmental Compliance - Design — 2 Locations. Apply via Workday.

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As a Principal Network Engineer, you will work cross-functionally to plan the growth of Roblox’s global production network to support rapid user growth. In this role, you are responsible for Engineering and Architecture of Roblox Backbone and Edge Network. You will ensure that we are making the right investments with our global expansion to provide a great experience for all our users worldwide. We run services and a hosting platform with some unique complexities, so this role is an opportunity for the experienced network engineer to take on new challenges in addition to applying their existing expertise. You Will: Serve as a Principle Engineer for Roblox's Backbone Network. Drive future design, deployment, and operations for Roblox’s large-scale Network Infrastructure. Engage in design, qualification, and validation of new technologies, and ensure new technologies are deployable at scale and are safely operable. Collaborate with the Network Tooling Team to automate workflows and improve telemetry, observability, and alerting. Work with net tools to automate existing workflows and improve our telemetry and alerting framework. Participate in on-call rotation to support the global netw

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. Unique Opportunities Complete ownership of verification and end to end analysis of sophisticated full chip gate level custom designs with advanced low power and power management technologies spread across multiple categories such as DDR4,LPDDR4,DDR5 and LPDDR5 that can operate at high speeds of up to 6400MT/s. Collaborate closely with design and verification team members spread across the globe, many of whom have decades of experience in memory design. Work on multi-functional tasks that can widen your skills. Responsibilities: • Actively leverage AI‑based tools, agentic workflows, and automation frameworks to: Accelerate verification cycle time Assist in Test-Case/TB and various other components required for DRAM Design Verification Improve debug efficiency across simulation and silicon learning loops • Strong judgment to validate AI outputs before use (review assumptions, align with specs/standards, cross-check with simulations, waveforms, assertions, and coverage reports, and document what was accepted/changed) prior to incorporating results into design decisions, verification plans, or debug conclusions • Provide verification support to design projects by simulating, analyzing, and debugging pre-silicon block level/full chip designs. Develop Test cases/Sti

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. Job Description As an SSD Firmware Validation Engineer at Micron Technology, Inc., your responsibilities will include: Define Test Plan/Design, test cases and develop Test Scripts to validate Firmware for Enterprise and Datacenter class NVMe SSD products. As part of Firmware Test Engineering team, you would demonstrate high degree of skills to understand one or more areas of FW: Front End, Back end/Media management, FTL or Security. You would also exhibit high degree of competency in understanding NVMe/PCIe specifications, NVMe Cloud SSD Specifications, along with understanding Customer specific requirements. You will be working in partnership with Firmware development teams through the lifecycle of the product while finding defects and validating the fixes by create grey and Whitebox tests. Be able to demonstrate success in communicating status, issues, concerns, strategies of programs and projects - including development of appropriate indicators. Must be able to deal with ambiguity and operate with little direction to meet defined goals. Must be able to collaborate with others to achieve goals and task completion. Comprehend and articulate validation strategies, plans and status. Review, track and document test results and sightings Drive issues to closure by interfacing/collaborating with other product development team. Experience : Bachelor’s or Master’s degree in Computer Science or Engineering with 10+ years of experience in SSD Firmware Validation. Pro

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. Job Title: Principal Engineer – HBM Verification Location: Hyderabad, India Experience : 12+ years in Design Verification (experience with Pre-Silicon Verification OR DDR/GDDR/LPDDRmemory/SerDes PHY IP Verification is preferred) Role Description Join the Micron HBM team where you will drive verification architecture for next-generation HBM, ensuring robust methodologies and sign-off strategies. This role is perfect for a hands-on silicon verification expert who is passionate about developing best-in-class verification methodologies, testbench design, AI enabled verification and developing novel solutions to improve quality and efficiency of verification workflows. Key Responsibilities Define and drive verification architecture and methodology for next generation HBM designs. Develop verification plans, coverage strategies, and sign-off criteria. Architect and implement UVM-based testbenches and reusable verification components. Apply Formal Verification techniques for critical Collaborate strictly with build teams to ensure verification completeness and quality. Mentor a