Device Engineer characterizing semiconductor devices, designing test structures and probe cards, extracting parameters with BSIM models, and providing feedback to improve CMOS processes in a hands-on startup environment. Requires strong CMOS device physics background and probe station experience.

Senior Software Engineer building secure, scalable backend platform infrastructure, distributed systems, plugin frameworks, authentication, observability, and desktop app deployment pipelines at Applied Intuition. Requires Master's degree and 1+ years experience with Python, Go, TS/JS, databases, containers, K8s, and cloud services.

Senior Thermal Engineer owning design, analysis, and integration of avionics thermal management systems for unmanned aerial vehicles at Shield AI. Requires 4+ years in electronics thermal engineering, strong heat transfer and CFD expertise, and first-principles problem solving.

Build and maintain CrewAI's Python enterprise runtime layer (FastAPI, Celery, Redis) that turns open-source agents into secure, observable production systems. Requires strong backend/platform engineering experience with distributed systems, auth, and observability.

Lead the design, integration, and sustainment of secure Cross Domain Solutions enabling data sharing across Top Secret and classified networks. Requires 7+ years experience, deep knowledge of networking, hypervisors, security engineering, and active Top Secret/SCI clearance.

Lead design, requirements, integration, and validation of full brake systems for Zoox's autonomous Robotaxi platform. Requires deep brakes experience, vehicle dynamics/control theory expertise, model-based design, and functional safety knowledge.

Lead system requirements, architecture, integration, and verification for Body domain (lighting, closures, sensor cleaning) on Zoox's autonomous robotaxi. Requires 10+ years systems engineering experience in automotive/EV, strong knowledge of model-based processes, electrical architectures, diagnostics, and functional safety (ISO 26262).

Staff Mechanical & Actuated Systems Engineer responsible for designing complex electro-mechanical mechanisms, actuators, and systems for autonomous UAVs. Owns full design cycle from concept through analysis, prototyping, testing, and production release on the X-BAT platform. Requires 7+ years mechanical design experience, strong CAD/FEA skills, and aerospace background.

Build and improve backend capabilities and user-facing features for Rippling's Data Cloud platform, which unifies company data for analytics, AI, and insights. Requires 5+ years Python/Django experience plus frontend familiarity with React/TypeScript.

Staff Security Engineer owning threat detection, SIEM architecture, and security operations for cloud, apps, and endpoints. Requires 6+ years in security/SRE/infra engineering with experience building detection-as-code, endpoint monitoring (SentinelOne), and driving MTTD/MTTR improvements in AWS environments.

Build end-to-end Ambient AI products for healthcare at Commure, working across the full stack (Python, React, Flutter) on real-time clinical documentation, AI billing automation, and clinical intelligence platforms. Requires strong full-stack skills, fast-paced shipping experience, and customer collaboration in a hybrid setting.

Senior Materials and Failure Analysis Engineer responsible for driving failure investigations, materials characterization, and lab operations for aerospace hardware using SEM, X-ray, thermal analysis and other techniques. Requires bachelor's in Materials Science or related, 2+ years hands-on lab experience with electronics failure mechanisms, and strong interdisciplinary collaboration skills.

Fullstack Engineer owning product features end-to-end at Envoy. Build scalable frontend (React/TS) and backend (APIs, Postgres) systems with equal depth across the stack. Requires 7+ years production experience, strong product mindset, and cross-functional collaboration.

Build and maintain internal React Native frameworks, tooling, and infrastructure to improve development speed, app quality, performance, and release processes for Chime's mobile app used by millions. Requires 5+ years cross-platform mobile experience (ideally React Native), TypeScript fluency, and expertise in mobile builds, CI/CD, and observability.

Build and enhance systems that flash and update software/firmware across Zoox vehicles, sensors, compute platforms, and ECUs. Requires 7+ years Python experience, embedded Linux knowledge, and strong hardware/software debugging skills.

Lead the technical vision and architecture for Rippling's Search Platform, owning indexing, retrieval, relevance ranking, and query performance at scale. Requires 8+ years backend/platform engineering experience with deep expertise in search infrastructure like Elasticsearch/OpenSearch.

Staff Engineer building scalable, resilient cloud architecture and distributed systems on AWS/Azure/GCP with Kubernetes for Illumio's Zero Trust cybersecurity platform. Requires strong cloud programming experience, distributed systems expertise, and 7+ years overall experience.

Technical lead performing advanced offensive security work including full-stack pentesting, red team operations, custom exploit development, AI/LLM red teaming, and bug bounty management. Requires 7-10 years experience, deep expertise in MITRE ATT&CK and OWASP, and proficiency with industry tools and scripting.

Senior individual contributor owning cloud security architecture and guardrails for GCP workloads at a fintech trading platform. Leads threat modeling, edge defenses with Cloudflare/Armor, policy-as-code, incident response, and compliance controls while mentoring engineers.

Facilities Infrastructure Engineer responsible for designing, building, activating, and maintaining advanced data center facilities in Memphis. Leads MEP projects from engineering through commissioning and maintenance, providing technical support for HVAC, electrical, fire protection and other critical systems.

Electrical Engineer designing, building, and troubleshooting advanced power systems for xAI's data center infrastructure in Memphis, including distribution, switchgear, UPS, and generators. Requires bachelor's in engineering and 3+ years experience with power systems; PE license and 5+ years preferred.

Design, model, and analyze HVAC, piping, and fluid systems for advanced data center facilities. Own maintenance, reliability, commissioning, and root-cause failure investigations for critical infrastructure as the fluid systems subject matter expert.

Lead and scale Partiful's engineering organization from 15 to 40+ engineers. Own execution, culture, recruiting, and operational excellence while partnering with CEO and CTO on strategy; requires 10+ years experience and hands-on leadership in fast-paced startups.

Full-stack engineer building and shipping customer-facing features end-to-end on a fast-moving YC Series A revenue activation platform. Requires 3-5 years modern TypeScript fullstack experience, ownership across UI to infrastructure, and comfort in high-velocity startup environments.

Senior Software Engineer building the Broker Platform at Forge, delivering high-quality, low-latency trading and broker operations experiences. Backend-first full-stack role focused on real-time data, distributed systems, and financial services products.

Build internal products, knowledge systems, data experiences, and agent-building tools for a growing insurance technology company. The role combines principal-level product engineering, frontend development, design judgment, agentic coding, and systems thinking in a hybrid Boston environment.

Senior Backend Engineer building and scaling distributed services, real-time transaction systems, ML infrastructure, and data-intensive applications on GCP for a consumer fintech platform serving 6M+ members. Requires 5+ years backend experience (JVM/Java preferred), strong CS fundamentals, and cloud/database proficiency.

The Senior Software Engineer will lead backend engineering work for Lyft’s Marketplace, building AI-driven analytics platforms, data pipelines, and metric governance systems. The role requires 5+ years of software engineering experience, backend microservices expertise, and experience with AI workflows and analytical modeling.

Lead the design and evolution of Crusoe Cloud's large-scale telemetry and observability systems for metrics and logs. Own high-throughput distributed pipelines from edge collection through ingestion, storage, and low-latency querying while ensuring scalability, reliability, and multi-tenancy.

Senior Software Engineer building and owning Crusoe Cloud's customer-facing managed logs and observability services. Design scalable ingestion, query APIs, self-service onboarding, and integrations for AI workloads with strong focus on reliability, ease of use, and low-touch customer experience. Requires 5+ years experience with compiled languages and cloud systems.

Lead the Model Exploitation & Fraud team in Threat Intelligence at Anthropic. Set strategy, hire and manage technical investigators, direct complex investigations into AI model distillation, account abuse, and fraud networks, and engage with U.S. government partners. Requires management experience with senior ICs, domain expertise in scaled abuse, and proficiency in SQL/Python.

Lead and build Anthropic's CBRN-E & Advanced Weapons threat intelligence team. Investigate and disrupt AI misuse for chemical, biological, radiological, nuclear, explosives, and novel weapons development; manage investigators, engage government partners, and inform AI safety strategies. Requires deep biosecurity/weapons expertise, team leadership, and LLM knowledge.

Build and drive design of core identity infrastructure including authentication (SSO, MFA, SAML/OAuth/OIDC), authorization (ReBAC/ABAC/RBAC with OpenFGA/Authzed), and governance for compliance at an AI data platform powering leading LLMs. Requires 5+ years in identity/infrastructure engineering with distributed systems and cloud expertise.

Build distributed sandbox infrastructure and developer-facing AI workload platforms across systems, backend, and frontend layers. The role requires strong Rust and Linux systems expertise alongside Python backend and modern web development experience.

Build and operate the developer-facing web platform, APIs, and services used to train and deploy frontier AI models. The role requires strong Python and modern frontend experience, cloud and containerized deployment expertise, and end-to-end ownership of production features.

Build the full-stack compute platform for frontier AI workloads, spanning Python services, web interfaces, distributed Rust infrastructure, cloud orchestration, and heterogeneous hardware scheduling. The role requires strong backend, frontend, systems, and infrastructure experience.

The foundational security hire will own security architecture, threat modeling, infrastructure and AI-specific defenses, incident response, and compliance for a frontier AI platform. The role requires 5+ years in security engineering plus expertise in cloud, Kubernetes, distributed systems, Python, and Rust or another systems language.

Builds and maintains scalable Salesforce applications, automations, configurations, and integrations supporting GTM and post-sales operations. Requires at least 3 years of Salesforce development experience, strong Apex, SOQL, LWC, and Flow skills, plus Salesforce Platform Developer I certification.

Senior Security Engineer partnering with product and engineering teams to design and implement secure features, build AI-native/agentic security tooling, create developer guardrails, and handle security operations at a mental healthcare platform company. Requires 5+ years in security/software engineering, strong technical depth, and excitement about AI in security.

Operate and expand banking/financial data integrations at Stripe while building and reviewing LLM-powered agentic automation. Requires strong technical problem-solving across code, data, logs, and partner coordination plus experience building with AI tooling.

Develop software across infrastructure, robotics, graphics, and full-stack systems for autonomy development workflows. The role requires experience shipping complex software, strong problem-solving ability, and proficiency with modern programming or infrastructure technologies.

Supports validation and stability of manufacturing test infrastructure for autonomous vehicles, including factory on-call triage and issue reporting. The role is designed for a currently enrolled technical B.S. or M.S. student with Linux, Git, and Jira experience.

Deploy and integrate superconducting quantum systems at customer sites, from device bring-up and cryogenic characterization to gate calibration and cloud operation. The role requires hands-on quantum hardware experience, Python proficiency, systematic debugging, strong communication, and international travel.

Backend engineer designing, building, and scaling systems for a co-branded credit card platform across applications, accounts, transactions, fraud, risk, and rewards. Requires 5+ years experience with distributed systems, modern backend languages, and end-to-end project ownership.

Senior/Staff engineer on the Fleet Management team building the cloud control plane for Viam's robotics platform. Own end-to-end systems for machine configuration, software deployment, logs, usage tracking, auth/permissions, and billing at scale using Go, Svelte/TS, MongoDB, and gRPC.

Leads multiple software engineering teams, owning architecture, delivery, quality, and operational excellence for enterprise applications. Requires 5–10 years of software development experience, recent management or team-lead experience, and strong Java, Python, Spring, SQL, and web technology expertise.

Lead Program Manager partnering with Technology and Business leaders to shape high-priority initiatives, establish program foundations, deploy into complex programs, assess portfolio health, and drive standards, coaching, and organizational improvements across Product, Engineering, and cross-functional teams. Requires 8+ years in program/strategy/ops roles, strong business acumen, systems thinking, and executive influence.

Build C++ system services for the Illumio Virtual Enforcement Node (VEN), a lightweight security agent that enforces micro-segmentation policies on Unix, Windows, and macOS by leveraging OS-native mechanisms. Requires 5+ years building distributed systems, strong C++ proficiency, OS and networking knowledge.

Lead public sector compliance and Security Risk Management A&A programs for Scale's AI infrastructure products. Own FedRAMP, DoD IL4/5/6, NIST, CMMC, and RMF controls, gap analysis, evidence collection, POAMs, and external audits while partnering cross-functionally with engineering, security, and legal teams.

Lead a product engineering team at Runpod to deliver customer-facing features for the AI cloud platform console, APIs, and developer workflows. Requires 6+ years shipping high-scale products and 2+ years of engineering management with deep Linux/cloud systems expertise.