Principal Software Engineer (YC Experience) PragmatikePrincipal Software Engineer (YC Experience)San Francisco, CaliforniaPragmatike is recruiting on behalf of a rapidly scaling technology company seeking a Principal Software Engineer with experience in YC-backed or Venture backed start-ups to provide technical leadership across critical systems and engineering initiatives. Our client is building highly scalable technology that sits at the core of critical business operations, offering engineers the opportunity to work on complex systems, large-scale integrations, and real-world technical challenges.
Senior Principal Mmic Design Engineer Teledyne TechnologiesSenior Principal Mmic Design EngineerMountain View, CA$161,300–$215,100 / yearThese markets include aerospace and defense, factory automation, air and water quality environmental monitoring, electronics design and development, oceanographic research, deepwater oil and gas exploration and production, medical imaging and pharmaceutical research. Teledyne Microwave Solutions has over 50 years of experience in designing and manufacturing advanced microwave/RF components and integrated assemblies for aerospace, defense, and communications.
Principal Artificial Intelligence Engineer InnovaccerPrincipal Artificial Intelligence EngineerSan Francisco, CAIn this role, you will work closely with product, engineering, and data teams to design, develop, and deploy AI-powered applications, including LLM-based solutions, AI agents, retrieval-augmented generation (RAG), and intelligent automation workflows. Depth beyond coursework: first-author publications at NeurIPS, ICML, ICLR, ACL, EMNLP, or similar; meaningful open-source ML contributions; a research internship at an AI lab; or models you trained and shipped that people actually used.
NewSRE Monitoring Platform Software Engineer (Early Career / Temporary) Bitdeer Technologies GroupSRE Monitoring Platform Software Engineer (Early Career / Temporary)San Jose, CA$105,000–$155,000You join a bounded context led by a senior engineer, take well-scoped components from design to production code that ships through GitOps + the CICD release pipeline, follows the Plugin Framework conventions, meets declared SLOs, and stays drift-free. As an entry-level Software Engineer on the SRE / Monitoring Platform team, you contribute to the NeoCloud SRE platform — the multi-region system that observes, protects, and operates a GPU rental fleet across self-built and OEM-rented data centers.
Principal Software Engineer PlenfulPrincipal Software EngineerSan Francisco, CaliforniaFresh off our $50M Series B and backed by Notable Capital, Bessemer Venture Partners, TQ Ventures, Susa/Kivu Ventures, and other leading investors, we’re building the category-defining AI workflow automation platform that healthcare teams rely on to operate smarter, faster, and more efficiently. You'll know it's working when data systems scale reliably to support growing product and customer needs, architecture stays clear and maintainable so teams move faster, operational burden drops through better system design, and data governance and consistency hold across the platform.
Principal Applied Scientist MicrosoftPrincipal Applied ScientistMountain View, CA$142,800–$274,800 / yearBachelors Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 6+ years related experience (e.g., statistics, predictive analytics, research) OR Masters Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 4+ years related experience (e.g., statistics, predictive analytics, research). Bachelors Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 8+ years related experience (e.g., statistics, predictive analytics, research) OR Masters Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 6+ years related experience (e.g., statistics, predictive analytics, research).
Principal NPI Engineer LightWorks Optical SystemsPrincipal NPI EngineerSunnyvale, CAWork with cross-functional teams to ensure design for manufacturability (DFM), design for assembly (DFA), and reliability requirements are incorporated into product development. Strong understanding of fiber optic components and optical systems, including fiber arrays, collimators, optical alignment, and optical coupling.
Principal Mechanical Engineer Sila NanotechnologiesPrincipal Mechanical EngineerAlameda, CA$172,000–$218,000 / yearServe as a technical lead for cross-functional project teams and managing the end-to-end project lifecycle, including vendor/fabricator coordination, factory acceptance testing (FAT), and field installation verification. Sila's Equipment Engineering team in Alameda is seeking a highly motivated Mechanical Engineer to lead the design of manufacturing-scale reactors, bridging the gap between R&D concepts and capital project execution.
NewSenior Principal Engineer (Board & System Hardware Design AI & Cloud Infrastructure) Macpower Digital Assets Edge Private LimitedSenior Principal Engineer (Board & System Hardware Design AI & Cloud Infrastructure)Santa Clara, CA$200,000–$266,400 / yearYou will spend most of your time reviewing and shaping customer hardware designs covering board architecture, PCB stack-up and material selection, power architecture, thermal design, mechanical integration, and reliability and retain full hands-on capability across the entire design lifecycle from architecture through schematic, layout guidance, and bring-up. Job Summary: As Senior Principal Engineer (Board & System Hardware Design AI & Cloud Infrastructure), you will be the senior technical authority guiding customer hardware design-in on the Ethernet Switch and UALink platforms, and a key technical bridge between the silicon teams, internal hardware engineering, and the field.
NewSenior Principal Engineer, Hardware Application Engineering (SI/PI) 112G/224G SerDes Macpower Digital Assets Edge Private LimitedSenior Principal Engineer, Hardware Application Engineering (SI/PI) 112G/224G SerDesSanta Clara, CA$195,000–$266,400 / yearWhat You Can Expect As a Senior Principal Engineer, Hardware Application Engineering (SI/PI) 112G/224G SerDes you will be the senior technical authority responsible for ensuring that customer platforms built on our Ethernet Switch and UALink silicon meet the highest performance and quality threshold from first prototype through mass-production deployment. You will own layout guideline definition, post-silicon channel extraction and simulation, compliance testing, and SerDes tuning guidance, while also reviewing customer PDN designs and feeding learnings back to our silicon and hardware engineering teams as part of a continuous improvement loop.
Senior Principal Engineer -Hardware Signal Integrity & Power Integrity Fox Point Recruitment LLCSenior Principal Engineer -Hardware Signal Integrity & Power IntegritySanta Clara, CA$199,800–$266,400 / yearAs the Senior Principal Engineer for Signal Integrity (SI) and Power Integrity (PI) , you will serve as the senior technical authority responsible for ensuring that customer platforms built on our Ethernet Switch and UALink silicon meet the highest performance and quality thresholds — from first prototype through mass-production deployment. Compliance & Lab Debug: Lead lab characterization and compliance testing (BER/SER, eye-opening margins, jitter, return loss, crosstalk) using VNAs, BERTs, scopes, TDR, and jitter analyzers.
Principal ML Investigator Cerebras SystemsPrincipal ML InvestigatorSunnyvale, CaliforniaWe would like the new team to work on some of the following areas: Post-training and reinforcement learning : Techniques used to improve model deployment quality through further training, tuning, RL, and focus on particular downstream tasks; Dataset curation and optimization : Techniques to collect and select high-quality data, which can help models to train or tune more quickly or to higher quality; LLM Pretraining : Techniques to ensure stability and compute-efficiency while pretraining high quality models. May include training dynamics, parameterizations, numerics, or others; Sparsity : Techniques to sparsify models or data that improve training time-to-quality, or optimize inference speed or throughput; Domains : Coding agents, reasoning agents, generative language, image, video.
DELTA DENTAL: Senior Software Engineer Elevated ResourcesDELTA DENTAL: Senior Software EngineerSan Francisco, CaliforniaThe incumbent will use industry best practices and work collaboratively with cross-functional team of product managers, UX designers, architects, principal engineers, software engineers, test automation team and DevOPS engineers. Along with writing effective code, the position will be responsible for designing, building, delivering and maintaining a highly scalable set of products and applications.
DELTA DENTAL: Senior Quality Engineer Software Elevated ResourcesDELTA DENTAL: Senior Quality Engineer SoftwareSan Francisco, CaliforniaTakes a lead in end-to-end testing discipline by partnering with other teams to support including test planning, incident research and analysis, test strategy, QA and user acceptance testing functions as needed. Engages in dependency analysis, functional design, workflow analysis, use case analysis, data, and process modeling, and has a clear understanding of the current and future business rules and determine what and how the software needs to be tested.
NewPrincipal/Lead Design Engineer Memory Controller-(CHI-G / DFI) The AES GroupPrincipal/Lead Design Engineer Memory Controller-(CHI-G / DFI)San Jose, CAWe are looking for a Principal Design Engineer to lead RTL development and architecture updates for our Memory Controller subsystem, with deep expertise in the ARM CHI-G (Coherent Hub Interface Gateway) protocol and DDR/LPDDR/HBM PHY-facing DFI (DFI Interface). AES has helped over 40 business enterprises, including Fortune 500 companies, engage their customers, empower their employees, and transform their business operations with the power of cloud, data, AI, engineering, and other emerging technologies.
DELTA DENTAL: Expert Software Engineer Elevated ResourcesDELTA DENTAL: Expert Software EngineerSan Francisco, CaliforniaThe incumbent will use industry best practices and work collaboratively with cross-functional team of product managers, UX designers, architects, principal engineers, software engineers, test automation team and DevOPS engineers. Along with writing effective code, the position will be responsible for designing, building, delivering and maintaining a highly scalable set applications and products.
Principal, Electrical Engineer 42 DotPrincipal, Electrical EngineerSunnyvale, CA$233,700–$336,300 / yearEnd-to-End Execution: Demonstrated success in "greenfield" product development-taking an idea from a blank sheet to a fully operational, high-volume hardware platform. Validation Strategy: Partner with the Lab and Test teams to define ATE and HIL testing requirements that validate hardware stability across the full product lifecycle.
Senior Software Engineer, Mobile (Android) Google LLCSenior Software Engineer, Mobile (Android)Sunnyvale, CAWe"re looking for engineers who bring fresh ideas from all areas, including information retrieval, distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, UI design and mobile; the list goes on and is growing every day. As a software engineer, you will work on a specific project critical to Google's needs with opportunities to switch teams and projects as you and our fast-paced business grow and evolve.
Senior Principal Rack System Integration Engineer SambaNova Systems, Inc.Senior Principal Rack System Integration EngineerSan Jose, CA$210,000–$280,000 / yearPowered by the intelligent SN40L chip, the SambaNova Suite is a fully integrated platform, delivered on-premises or in the cloud, combined with state-of-the-art open-source models that can be easily and securely fine-tuned using customer data for greater accuracy. We handle the racking and stacking of tightly integrated network, power, and compute equipment in both prototype and production environments, and we take rack solutions through prototyping into mass production so they stay manufacturable and serviceable at scale.
Senior Research Engineer, Simulation NvidiaSenior Research Engineer, SimulationSanta Clara, CAWays to stand out from the crowd: Master's or PhD's degree in Computer Science, Robotics, Engineering, or a related field; Experience at autonomous driving or humanoid robotics companies on physics simulation; Hands-on experience with deploying and debugging neural network models on robotic hardware; Expertise at reinforcement learning and neural network training; Demonstrated Tech Lead experience, coordinating a team of robotics engineers and driving projects from conception to deployment; Contributions to popular open-source simulation frameworks or research publications in top-tier conferences, such as ICRA, IROS, RSS, CoRL. What we need to see: Bachelor's degree or above in Computer Science, Robotics, Engineering, or a related field; 10+ years of full-time industry experience on robotics and/or physics simulation; Proven experience with one or more physics simulators such as MuJoCo, Isaac Sim, PyBullet, Drake, or Gazebo.