Builds and maintains multi-language SDK libraries for Keycard's agent control plane, ensuring compatibility across frameworks and deployments. Requires systems engineering expertise, multi-language proficiency, and agent ecosystem knowledge.

General application for hardware, software, and product roles building delightful consumer robots. Requires passion for robotics, sci-fi inspiration, and ability to work hard in a small sprinting team; open to full-time and exceptional interns.

Leads 12+ person multi-disciplinary engineering team at robotics startup building solar farm construction robots, transitioning from prototypes to scaled production. Requires 5+ years engineering leadership, hands-on electromechanical expertise, and onsite presence in San Leandro, CA.

Lead a team building Figma's observability platform with Datadog and OpenTelemetry, driving instrumentation strategy, cost optimization, and AI-powered anomaly detection. Requires 4+ years managing infrastructure teams and deep distributed systems expertise.

Senior Infrastructure Engineer owns critical infrastructure decisions, builds scalable platforms using AWS and Terraform, ensures security/compliance, and mentors teams. Requires 5+ years AWS experience and expertise in monitoring tools like Datadog.

Leads full-lifecycle engineering design of modular data centers, owning electrical, mechanical, thermal, and structural domains for AI infrastructure. Requires 10+ years in data center design, partner management expertise, and mastery of safety standards and CAD tools.

Develops scalable full-stack applications using TypeScript, Node.js, and Angular for NIH's NCATS Notebooks Hub, focusing on cloud-native data analysis tools with containerization. Requires 3+ years full-stack experience, bachelor's in CS or related, and expertise in modern DevOps tools.

Owns end-to-end quality for AI coding products by designing comprehensive tests, reproducing complex defects, and improving QA automation and release processes. The role requires 5+ years of QA or test engineering experience, coding ability, strong debugging skills, and comfort evaluating non-deterministic AI behavior.

Senior Postgres Engineer builds and maintains PostgreSQL extensions in C and Rust, diagnoses production issues, manages deployments at scale, and ensures stability in a managed multi-tenant environment. Requires deep PostgreSQL internals expertise and troubleshooting experience.

Owns end-to-end billing, pricing, and revenue infrastructure at Baseten, building scalable systems and internal tools. Requires 5+ years software experience, billing/internal tools background, and deep web/databases knowledge.

Builds and maintains full-stack web applications for AEC detail management software, owning features from design to deployment. Requires strong React, JavaScript/TypeScript expertise and full-stack experience.

Build security tooling and enhancements to protect Pinterest's platform and users, focusing on secure development lifecycle, assessments, and AI threat mitigation. Requires 5+ years in application/product security and Python proficiency.

Leads technical strategy and execution for Claude API platform, driving multi-year roadmap across core, capabilities, knowledge, distributability, and agents teams. Requires 12+ years experience in distributed systems and API architecture.

Develops and tunes low-level controllers and trajectory optimization for autonomous drones, focusing on stable flight and gimbal motion. Requires experience with real hardware control, C++, dynamic programming, and non-linear optimization.

Site Reliability Engineer who owns production services end-to-end, writes production code, builds observability and internal tooling, and embeds with product teams to improve reliability and performance. Requires 5+ years experience and strong systems programming skills.

Builds and scales shared product platform systems and primitives powering Replit Agent and core experiences for millions of users. Requires 5+ years experience with web stacks, platform systems, and strong product judgment.

Leads design and implementation of highly available distributed platforms and pipelines for Snowflake's petabyte-scale data warehouse. Requires 15+ years in distributed systems and data infrastructure, with cloud expertise in AWS, Azure, GCP.

Build and evolve low-level C++ playback integrations for Spotify’s native TV experiences, working with platform media frameworks and video playback systems. The role requires expertise in codecs, adaptive bitrate streaming, buffering, synchronization, and cross-layer performance debugging.

Develops responsive Angular applications with complex data visualizations and state management for public sector clients. Requires 5+ years experience, expertise in TypeScript/HTML/CSS, testing with Cypress, and Agile collaboration.

The Senior Cloud Performance Engineer benchmarks and optimizes distributed database and cloud infrastructure performance while developing chaos engineering tools and initiatives. The role requires 6+ years of experience with scalable distributed systems, programming in Go, C/C++, or Java, Kubernetes, and a major public cloud provider.

Leads performance benchmarking, optimization, capacity planning, and chaos engineering for large-scale distributed cloud database systems. Requires 6+ years of software development experience, strong cloud infrastructure expertise, and proficiency in systems programming and production debugging.

Build tools and practices for benchmarking, optimizing, and testing the resilience of large-scale distributed cloud database systems. The role requires 6+ years of software development experience, strong distributed-systems expertise, cloud infrastructure knowledge, and production debugging skills.

Senior cloud performance engineer responsible for benchmarking and optimizing distributed database and cloud infrastructure systems, while building chaos-engineering tools to improve resilience and scalability. Requires 6+ years of software development experience and expertise in distributed systems and public-cloud infrastructure.

Build and lead development of resilient, scalable POS integrations and distributed systems for the In-Store team. The role requires 4+ years of software engineering experience, advanced .NET and C# expertise, cloud and DevOps proficiency, and strong technical leadership.

Executes physical deployment of data center whitespace infrastructure including racks, power systems, containment, and cabling. Oversees contractors, ensures compliance with designs and safety standards, and manages handoffs to operations. Requires 5+ years in data center construction and engineering degree.

Leads technical roadmap, architecture evolution, and innovation for Capital Supply systems at scale. Requires 8+ years experience building highly available consumer products, leading cross-team initiatives, and mentoring leaders.

Designs, builds, and maintains Soroban smart contracts on Stellar and backend services integrating with EVM and Solana networks. Scales infrastructure for high-volume crypto-backed card transactions, requiring deep Stellar expertise, Rust proficiency, Node.js experience, and 2-10+ years in engineering.

Designs, builds, and maintains Solana programs and backend services integrating with Solana, EVM, and Stellar for high-volume crypto-backed payments. Requires deep Solana expertise, Rust proficiency, Node.js experience, and 2-10+ years in engineering.

Leads electrical design, optimization, and roadmap for prefabricated modular AI data centers (Crusoe Spark). Requires 5+ years in modular electrical systems, power distribution for AI compute, and cross-functional collaboration. In-office role in Denver with 10-20% travel.

Leads post-sales Solution Architecture team to drive customer retention, expansion, and successful Sanity implementations for enterprise clients. Requires 5+ years in technical customer-facing roles, 2+ years managing technical teams, and strong knowledge of APIs, data models, and modern content stacks.

Builds and owns end-to-end features for compliance orchestration platform, including backend APIs, microservices, data pipelines, and vendor integrations. Requires 2-4 years experience in backend development, cloud platforms, and databases; onsite in San Jose.

Build and optimize low-latency, high-throughput C/C++ components for Polymarket's trading exchange infrastructure. Requires 5+ years professional C/C++ experience with algorithms, data structures, and production scalable systems.

Develops robust full-stack web applications using Python/Django and ReactJS/Angular for NCBI's biomedical platforms, serving millions of users. Requires 3+ years experience, BS in CS or related field, and expertise in modern web tech, APIs, and agile processes.

Build and launch customer-facing AI features for sustainability information extraction and reporting. The role requires at least three years of software engineering experience, strong full-stack skills, and preferably Node.js web development experience.

Leads engineering team building AI-driven customer experience intelligence systems for support workflows, self-service, and product health at Databricks. Requires 10+ years in customer-facing tools and 5+ years leading engineering teams.

Leads technical vision and architecture for AI-powered support automation systems at Databricks. Builds agentic workflows, full stack development, and integrates with multi-cloud environments to enhance customer experience and scalability.

Builds and scales core infrastructure including Kubernetes clusters and cloud resources to power AI data platform. Collaborates with teams on foundational systems, optimizes for cost/performance, and ensures security/compliance. Requires 5+ years infra experience.

Leads infrastructure evolution, CI/CD, observability, and reliability for scaling platform. Requires 10+ years SRE/infra experience, AWS expertise, and systems thinking. Onsite in NYC.

Designs, reviews, and oversees installation/testing of mechanical systems like HVAC, piping, plumbing, and fire protection in data centers. Requires 3-5 years experience, bachelor's in Mechanical Engineering, and knowledge of building codes/standards.

Leads infrastructure reliability for large-scale GPU clusters, architects systems for training/inference scaling, and builds a high-performing engineering team. Requires deep Linux/distributed systems expertise, GPU production experience, and Kubernetes fluency.

Lead design and implementation of security foundations including access governance, RBAC/ABAC, secrets management, and agent permissions for AI platforms. Partner with teams to embed secure practices while maintaining velocity; requires hands-on coding and production security experience.

Build systems to detect and prevent account abuse by analyzing signals at scale, integrating vendor data, and creating monitoring tools. Requires 3+ years experience in software engineering focused on fraud/abuse, proficiency in Python/SQL.

Leads security compliance and risk management projects, driving certifications like FedRAMP and PCI in a cloud-native environment. Requires 4+ years in security program management, cross-functional collaboration, and a bachelor's in CS or equivalent.

Senior full-stack engineer owning merchant-facing features end-to-end. Works across Python/Django backend, Next.js/React frontend, API design, metrics, and performance optimization.

Leads backend team architecting and scaling core API infrastructure for high-volume GTM data (60+ TB), powering low-latency services for sales, marketing, and customer success. Requires 5+ years backend experience with Node.js, ClickHouse, AWS, and distributed systems expertise; fully onsite in SF.

Build and scale enterprise GenAI infrastructure across multi-cloud providers (AWS, Azure, GCP), implementing integrations and architecting systems for regulated industries. Requires 4+ years experience, proficiency in Python/JS/SQL, Kubernetes, and AI technologies like LLMs.

Build and scale the sales organization from scratch for a high-growth AI startup targeting accounting firms. Own sales strategy, processes, hiring, and revenue targets while transitioning to leading managers. Requires 8-15+ years B2B SaaS sales leadership.

Software engineer architecting GPU networking software with RDMA for distributed AI inference. Optimizes communication for H100/Blackwell clusters, WideEP, and serverless LLM startups using C++/Python and NVIDIA tools.

Drive business-critical multi-disciplinary engineering projects from concept through execution, leveraging strong leadership, communication, planning, and engineering skills to manage complex releases and customer requests.

Build and maintain infrastructure tooling for a large fleet of GPU servers, including provisioning, health monitoring, diagnostics, recovery, storage optimization, and Linux tuning to support AI workloads at scale. Requires 3+ years managing large server fleets, strong Python and deep Linux expertise.