System Performance Engineer Jobs

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

About Ubiquiti At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity. Role Summary Lead hardware development for next-generation NAS and enterprise storage platforms, from architecture through production. You'll design high-performance storage hardware, solve complex system-level challenges, and deliver reliable, scalable products. Responsibilities Architect, design, and develop NAS and enterprise storage hardware platforms utilizing PCIe, SATA, NVMe, DDR4/DDR5, USB, and high-speed Ethernet interfaces. Own schematic capture, component selection, and PCB design reviews, ensuring SI/PI, manufacturability, and product reliability. Lead hardware bring-up, debugging, and system validation, including functional, performance, thermal, and EMI/EMC testing. Collaborate with firmware, BSP, SI/PI, DQA, mechanical, manufacturing, and software teams throughout product development. Investigate and resolve hardware issues while continuously improving product performance, reliability, and cost. Requirements Bachelor's or Master's degree in Electrical Engineering or a related field. 3+ years of hardware design experience in NAS, enterprise storage, server platforms, or storage appliances. Strong foundation in digital and analog circuit design. Experience with PCIe, DDR4/DDR5, SATA, NVMe, USB, Ethernet, and SerDes. Experience designing power delivery systems with a solid understanding of SI/PI, thermal design

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 Senior Firmware and Product Test Engineer in the Solid State Drive (SSD) group at Micron Technology, you will help ensure our SSD products have world-class performance and reliability. This outstanding opportunity allows you to collaborate with skilled experts to build flawless SSD firmware for enterprise and automotive markets. Your ambition and proven expertise will help us develop innovative solutions and advance technology. Responsibilities Build comprehensive firmware verification plans for various firmware features. Develop white/ grey-box, known, and closed system testing methods to verify and validate firmware features. Analyze failures from weekly regressions and perform root-cause analysis, requiring deep SSD domain expertise. Manage test development, test deployment, test automation, and reporting activities. Communicate challenges, solutions, and mitigation plans to cross-functional teams and management with clear and effective communication of both technical and non-technical topics. Participate in code reviews and guide the team to ensure comprehensive coverage and accurate architectural build. Integrates AI-assisted tools and insights into daily work to improve efficiency, quality, or effectiveness, exerc

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 Senior Firmware and Product Test Engineer in the Solid State Drive (SSD) group at Micron Technology, you will help ensure our SSD products have world-class performance and reliability. This outstanding opportunity allows you to collaborate with skilled experts to build flawless SSD firmware for enterprise and automotive markets. Your ambition and proven expertise will help us develop innovative solutions and advance technology. Responsibilities Build comprehensive firmware verification plans for various firmware features. Develop white/ grey-box, known, and closed system testing methods to verify and validate firmware features. Analyze failures from weekly regressions and perform root-cause analysis, requiring deep SSD domain expertise. Manage test development, test deployment, test automation, and reporting activities. Communicate challenges, solutions, and mitigation plans to cross-functional teams and management with clear and effective communication of both technical and non-technical topics. Participate in code reviews and guide the team to ensure comprehensive coverage and accurate architectural build. Integrates AI-assisted tools and insights into daily work to improve efficiency, quality, or effectiveness, exerc

About the role As a Forward Deployed Engineer (FDE) focused on Inference & Post-Training, you will be a hands-on technical partner to our most strategic customers — production AI teams looking to leverage high quality models and do inference at scale. For us, FDE is not a replacement for a Solutions Architect; you will partner with our SAs as a deep-domain specialist in inference optimization, fine-tuning pipelines, and production deployment. As key contributors to both the CX, Engineering, and Sales organizations, FDEs add tremendous value by ensuring we can meet the requirements of our most complex POCs, facilitate successful platform adoption, and guide tailored optimization efforts — directly impacting customer success, company growth, and the hardening of our core platform. Must be a permanent resident or citizen of Singapore. Responsibilities Inference Engine Optimization: Select, configure, and optimize inference engine based on hardware, model architecture, and workload profile Configuration & Performance Tuning: Develop configuration updates to win critical POCs, benchmarks, and optimize customer deployments; tune KV cache, apply speculative decoding, determine optimal tensor parallelism, and determine quantization strategy to hit throughput and latency targets. Post-Training & Fine-Tuning: Drive hands-on RL training runs and optimize system design; guide customers through LoRA, SFT, DPO, RLHF, and GRPO pipelines from experimentation through production. Strategic Customer Alignment: Act as the primary technical point of contact for aligned strategic accounts — monitoring and optimizing endpoint configurations, helping customers get the most out of the platform, and collaborating to ensure we hit critical milestones. Opinionated Onboarding: Establish direct alignment with strategic customers at onboarding; ensure the right inference and post-training configurations are in place from day one to improve time-to-value. Product Feedback Loop: D

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company. At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in. Available Locations: Austin (US), London (UK) Role Summary As a Product Security Engineer, you will support security assessments and vulnerability operations for Cloudflare’s core software products. In this role, you will analyze system architecture, threat model new features, and ensure that product-related security findings are accurately triaged, routed to the correct engineering owners, and mitigated within our SLAs. On any given day, you migh

The Language Tools team enables ~1,500 Datadog developers to build, test, and package millions of lines of Go, Python, Java, Rust, and TypeScript in our backend monorepo. Our success is measured by their productivity and satisfaction. They use the tools that we develop and support several times a day, in both development and CI environments. We use the Bazel open source build system as a foundation. The team is growing rapidly, both with Datadog and as we absorb other repositories into the monorepo. As a senior software engineer on the team, you will own projects from start to finish, both greenfield and brownfield. You will gain first-hand understanding of what Datadog developers need, and inform our roadmap. At Datadog, we place value in our office culture - the relationships that it builds, the creativity it brings to the table, and the collaboration of being together. We operate as a hybrid workplace to ensure our employees can create a work-life harmony that best fits them. What You’ll Do: Invent build, test and packaging tools that are simpler and more reliable to use. Push performance and cost efficiency at scale, raising cache hit rates and cutting CI times and compute spend across millions of targets. Treat CI like SREs treat prod, making sure our pipelines are green and fast. Prepare, run, and finish complex migrations. Contribute back to the Bazel ecosystem, upstreaming fixes and shaping features we depend on. Who You Are: An expert in Bazel and/or one of the languages listed above. A well-rounded engineer. You must broadly understand the various types of software projects that are built, tested, and packaged with our tools. Both careful and fearless. The changes we make impact the velocity of hundreds of engineers. They are risky but necessary. User-focused. We help Datadog engineers to use the tools that we develop, and continuously improve their usability, so they don’t need our help the next time. Ideally, you have ex

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. ***This position is located in our Tel -Aviv Office (ToHa Building, near HaShalom train station) *** 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 Summary Micron Technology seeks an RTL design engineer to develop digital blocks from specification through RTL implementation with strong emphasis on power-efficient, implementation-aware building. In this role, you will work hands-on with synthesis and timing/power analysis tools to develop power, performance, and area (PPA) trade-offs. You will collaborate with multi-functional teams to improve the quality of advanced flash memory products. Responsibilities Develop and implement RTL for digital and mixed-signal blocks using System Verilog. Perform front-end quality checks including lint, CDC/RDC, synthesis, UPF, and timing QoR. Design power- and area-efficient RTL with a focus on reducing switching activity, clock power, and leakage. Complete RTL- and gate-level power and timing evaluation to identify and resolve PPA bottlenecks. Collaborate with verification, synthesis, and physical design teams to achieve timing closure and design targets. Minimum Qualifications Bachelor’s degree wi

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 AND TASKS 1.Set up equipment maintenance guideline. 2.Establish and improve equipment repair system. 3.Management, improvement and cost reduction for machine parts. 4.Equipment repair and abnormal condition handling. 5.Enhance equipment capacity and performance. 6.New machine evaluation and import. - Shift team should work rotating shifts (Day/Night; 4-3 or 3-4 or 2-2 schedule) (最後錄取部門將依面試主管安排, 並以聘書上內容為主) AI Relevant Job Responsibilities: - Integrates AI-assisted tools and insights into daily work to improve efficiency, quality, or effectiveness, exercising sound judgment and complying with organizational standards and legal requirements. - Contributes to a culture of continuous improvement by identifying, testing, and sharing AI-enabled enhancements within one’s scope of work. - Ability to apply baseline digital fluency and role‑appropriate AI literacy to use AI‑enabled tools responsibly and effectively for research, analysis, content creation, problem‑solving, operational tasks, and achieving business About Micron Technology, Inc. We are an industry leader in innovative memory and storage solutions transforming how the world uses information to enrich life for all . With a relentless focus on our customers, technology leadership, and manufacturing and operational excelle

We're seeking experienced engineers to contribute to flip chip package development and assembly processes for advanced semiconductor devices (2.5D/3D/chiplet/fan-out/flip-chip). This spans bump metallurgy, substrate integration, reflow and underfill processes, reliability, failure analysis, and cross-functional support through package and system productization. Core Responsibilities: Develop and optimize flip chip attach processes including bump formation, placement, reflow, and underfill for high-performance semiconductor packages. Define and manage bump metallurgy stacks (e.g., Cu pillar, SnAg, micro-bumps) and substrate pad finishes for robust interconnect performance. Drive package integration from die to substrate, ensuring alignment, coplanarity, and yield optimization. Evaluate and mitigate assembly risks including warpage, non-wet opens, voiding, head-in-pillow, and interconnect defects. Collaborate with substrate vendors, OSATs, and internal teams to define design rules (pad pitch, bump pitch, keep-outs, stack-ups). Lead process development for reflow profiles, flux selection, cleaning, and underfill dispense/cure. Perform root cause analysis of assembly and reliability failures using cross- sectioning, SEM, CSAM, and other failure analysis techniques. Support reliability qualification including thermal cycling, drop, mechanical shock, and power cycling. Work cross-functionally with design, reliability, thermal, and manufacturing teams to ensure robust package performance from concept through high-volume production. Required Technical Skills: Strong experience in flip chip packaging and assembly processes for semiconductor devices. Deep understanding of bumping technologies (solder bumps, Cu pillar, micro- bumps) and UBM/metallization systems. Experience with underfill materials, dispense techniques, flow behavior, and cure processes. Understanding of thermo-mechanical behavior in flip chip assemblies (CTE mismatch, warpage, solder

We’re seeking an experienced engineer to lead bump interconnect development for advanced semiconductor devices (2.5D/3D/chiplet/fan-out). This role spans ubump and C4 bump metallurgy, RDL design and plating, chip-side and interposer capture pad design rules, OSAT engagement, reliability, failure analysis, and cross-functional support through package and system productization. Core Responsibilities Own end-to-end bump interconnect development for both ubump (micro-bump) and C4 processes, including bump formation, and reflow for use with mass reflow, TCB, and LAB chip attach for high-performance semiconductor packages. Define and own bump metallurgy stacks for ubump (e.g., Cu pillar/SnAg) and C4 (e.g., SAC alloys) interconnects, including UBM selection and pad finish specifications for both chip-side and interposer capture pads. Develop and own design rules for bump interconnects including pitch, bump diameter, standoff height, keep-outs, and land pad geometry for both the chip side and interposer or substrate capture pads. Lead RDL (redistribution layer) process development including electroplating of Cu RDL traces, via fills, and pad finishes; define RDL design rules for line/space, via diameter, and layer stack-up to meet electrical and reliability requirements. Collaborate with OSATs and bumping foundries to qualify ubump and C4 bumping processes, drive design rule alignment, and manage process transfers into production. Evaluate and mitigate bump interconnect assembly risks including non-wet opens, voiding, head- in-pillow, intermetallic growth, and joint fatigue failures across both ubump and C4 interconnect types. Perform root cause analysis of assembly and reliability failures using cross-sectioning, SEM, CSAM, and other failure analysis techniques. Support reliability qualification including thermal cycling, drop, mechanical shock, and power cycling. Work cross-functionally with design, reliability, thermal, and manu

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. We are hiring a Machine Learning Engineer to join our ETA team. Our team builds and maintains Lyft's system responsible for estimating/predicting ETAs for every ride request on our platform. ETAs play a critical role in matching decisions, pricing estimates and overall user experience. Low latency, high reliability and high accuracy are paramount for our success. If you are a critical thinker with experience in machine learning workflows and writing reliable code, passionate about solving business problems using data and working in a dynamic, creative, and collaborative environment, we are searching for you. Our technology stack runs on AWS, Kubernetes, Go, Spark, Python and Apache Airflow. In this role, you will work with incredibly passionate and talented colleagues from software engineering, machine learning and data science on building rideshare experiences that delight millions of riders and drivers. Responsibilities: Perform data analysis and build proof-of-concept to explore and compare ML and non-ML solutions Be able to make effective tradeoffs between model accuracy, its productization complexity and runtime performance Develop statistical, machine learning, or optimization models Write production quality code that can scale well to serve millions of requests per day Participate in code reviews, design reviews, production on-call support and incident triaging process. Write well-crafted, well-tested, readable, maintainable code Experience: B.S., M.S., or Ph.D. in Computer Science or other quantitative fields or related work experience 3+ years of Machine Learning experience Nice-to-have: Experience with big data processing / distributed data pipelines and tools such as Apache Airflow and Spark Ability to work in distributed teams spread across time zones. (North America and

DeepIntent is the leading healthcare marketing platform, purpose-built to help marketers plan, activate, and optimize data-driven campaigns with speed and precision. Trusted by the world’s top healthcare brands and their agencies, DeepIntent uniquely unites media, identity, and real-world clinical data to power privacy-safe, omnichannel marketing across every screen. Backed by patented technology and proven outcomes, DeepIntent’s platform delivers measurable audience quality and script lift at scale. Learn more at www.deepintent.com . What You’ll Do: We are looking for a Senior Software Engineer – Platform Operations based in Pune, India, who will play a key role in ensuring the reliability, performance, and operational excellence of DeepIntent's platform and data ecosystem. This role requires a strong engineering mindset with the ability to troubleshoot complex technical issues, understand distributed data architectures, and collaborate across Engineering, Product, Analytics, and Customer-facing teams to deliver timely and effective solutions. As part of the Operations organization, you will work closely with Engineering to support production systems, improve operational processes, and drive platform stability. The ideal candidate is a self-motivated problem solver who is passionate about learning new technologies, improving system reliability, and delivering exceptional customer outcomes through engineering excellence. Serve as the engineering interface between Customer-facing teams, Analytics, Product, and Engineering organizations. Partner with Platform Support, Client Success, and other customer-facing teams to investigate and resolve complex platform-related issues. Analyze application, API, and data pipeline issues to identify root causes and drive timely resolution. Develop and standardize operational tools, and interfaces to support analytical and operational use cases. Monitor data pipeline executions, investigate failures, and implement corrective and pre

Senior Software Engineer - Analytics Compute Platform Team About the Role & Team Every chart, insight, and experiment result a customer sees in Amplitude passes through the compute layer that this team owns. Our team sits between Amplitude's front-end analytics products/ rest APIs/ MCPs and Nova, our proprietary analytics database, and owns the compute API that translates a user's question into a fast, correct answer. Our mandate: enable a highly performant, reliable, and flexible way to compute insights. Those three goals are often in tension the more flexible we make the system, the harder it is to keep it fast and simple, and a lot of the interesting engineering work on this team lives in that tradeoff. Day to day, you'll work closely with engineers on data management, marketing analytics, Session Replay, Experiment, CDP, Query, and various product teams, since they're all consumers of what we build. As a Senior Software Engineer, you will Design and build core parts of the query/compute engine that powers analysis across Amplitude's product suite Evolve the compute API and semantic layer that other engineering teams build features on top of, so that it can support a more generic table Help unify and evolve our core data model, including how non-event data (profile properties, lookup tables, etc.) is represented alongside event data Improve the performance, reliability, and scalability of query planning and execution on the Amplitude query engine Partner with teams across Session Replay, Experiment, CDP, Query, and frontend to understand their needs and shape the compute layer around them Take ownership of projects end-to-end, from design through rollout You'll be a great addition to the team if you have Strong backend or distributed-systems engineering experience, ideally touching OLAP databases, query engines, or data infrastructure Experience with SQL, query planning/execution, or building APIs that many other engineering teams depend on Comfort reasoning

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. An overview of this role GitLab is an open core software company that develops the most comprehensive AI-powered DevSecOps Platform, and more than 100,000 organizations use it. Our mission is to enable everyone to contribute to and co-create the software that powers our world. We make this possible by running our operations on our product and staying aligned with our values. The AI Events team builds the event platform and trigger system that power GitLab Duo Flows, enabling them to run automatically in response to events across the development lifecycle. The platform handles internal GitLab events like code pushes, issue and mer