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About Redwood Materials Redwood Materials was founded in 2017 by JB Straubel, co-founder and former CTO of Tesla, on a simple but radical idea: the critical minerals powering the energy transition already exist. They…
Build and operate warehouse management and ERP integration systems using Python, React, and AWS for a large-scale battery recycler.
Staff engineer builds and deploys full-stack integrations and fixes for SentinelOne’s AI-native security platform, working across Java backends, React frontends, and large-scale data pipelines to unblock customers.
Staff Product Manager owning Calendly's core scheduling (Meetings) experience: defining strategy, simplifying mature scheduling workflows, and driving activation, engagement, retention, and monetization for millions of users. Requires strong PLG, product-sense, and AI-in-product skills; hybrid role with two days per week in the San Francisco office.
Internal-transfer posting for a Staff-level backend engineer on Coupang's Marketplace Growth team in Seattle, building large-scale streaming data processing systems, data pipelines, and infrastructure that power the third-party seller experience. Core stack: Java, Spring, AWS, and big data tech like Kafka, Spark, Flink, and ClickHouse.
Senior backend engineer on Coupang's Marketplace Growth team in Seattle, building large-scale streaming data pipelines and infrastructure that power third-party seller tools. Core stack is Java/Spring on AWS with big data tech like Spark, Flink, Kafka, and ClickHouse.
Internal Coupang transfer role: a Staff ML Engineer on the Coupang Media Group Offsite Ads team in Seattle designs and ships machine learning systems for ad targeting, ranking, bidding, and CTR/CVR prediction, using Python/Java, PyTorch, LLMs, and large-scale ML infrastructure.
A senior engineer who validates HVAC energy-savings findings for R-Zero's smart building platform: reviews BMS trend data, grades evidence, builds M&V methods and fault-detection rules, and gates safe control actions via the BACnet priority array, while leading technical reviews with customer engineering teams.
Staff Hardware Quality Engineer at CHAOS Industries (defense tech, El Segundo, CA) drives quality across hardware manufacturing: leading RCCA investigations, enforcing IPC workmanship standards, tracking quality KPIs, and reducing defects and Hours Per Unit while supporting production builds with Manufacturing, Test, and Engineering teams.
Senior Software Engineer building internal tools and AI-powered workflows to streamline operations for a mission-driven nonprofit, using full-stack development and LLM-based systems.
Senior Staff Engineer on Gusto's Agent & Partner Experiences team, building the APIs and agent-facing tools that let third-party developers and AI agents act on payroll via a large Ruby on Rails codebase. Hands-on coding plus technical leadership, API contract design, reliability/observability practices, and mentoring across the org.
Staff AI Engineer based in India (remote-first) who designs, builds, and operates production-grade LLM/NLP systems for complex business problems — owning architecture, evaluation and monitoring frameworks, responsible-AI safeguards, and reusable infrastructure while mentoring engineers. Core stack: Python, ML/LLMs, Docker, and AWS.
A senior data scientist at Reddit designs identity resolution models, improves ad measurement methodologies, and enhances predictive performance for advertisers using statistical and machine learning techniques.
Staff Data Scientist designs probabilistic identity models and lift measurement systems to improve ad targeting and privacy-compliant attribution for Reddit’s ad platform.
Lead relevance measurement and evaluation for feeds and search using Python/R/SQL, causal inference, and experimentation to improve ranking algorithms.
Staff ML Engineer on Reddit's Ads Creative Effectiveness team building generative AI products for advertisers — image, video, and copy generation and editing pipelines with brand-asset preservation, LLM/VLM fine-tuning tuned by ad performance (RLHF/RLPF), and safety/compliance filtering.
Lead Reddit’s marketing measurement strategy, building Media Mix Models and incrementality tests to optimize hundreds of millions in ad spend across B2B and B2C growth.
Lead Reddit’s marketing measurement strategy, building Media Mix Models and incrementality tests to optimize hundreds of millions in ad spend and drive advertiser/user growth.
Staff Technical Product Manager leading the roadmap for Reddit's Ads ML Platform, defining vision and building tooling that helps ML engineers train, deploy, and iterate on ad ranking and targeting models faster. Core focus areas include model-serving infrastructure, GPU optimization, and integrating Generative AI/LLM workflows.
Senior staff ML engineer on Reddit's Ads Ranking team who uses agentic AI tools like Claude and Cursor to accelerate and improve ML model development — building models, agentic workflows, and evaluation harnesses, while setting technical direction and mentoring engineers.
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