Join a startup on the way up — not a bet, not a giant.

Pinecone is seeking a Senior/Staff Software Engineer to join its Database Team, building robust distributed systems for its vector database. You'll design and build database features, tune performance, and collaborate with a fun team. Salary range $190K-$270K plus equity, hybrid in NYC.

Pinecone is seeking a Senior/Staff Software Engineer for its Experience team to pioneer agent experiences, building APIs, SDKs, and web surfaces. The role involves designing interfaces for AI agents, shipping end-to-end features, and setting standards for AI-assisted development. Hybrid role based in New York City with competitive salary and equity.

Pinecone is hiring a Technical Product Marketing Manager to lead product launches, positioning, and GTM strategy for its vector database platform, enabling developers and ML scientists to build AI applications. The role involves cross-functional collaboration with Product, Sales, and Developer Relations.

Cowboy Space Corp is seeking a Head of Analysis to lead the analysis organization within Launch & Propulsion, owning structural, thermal, and CFD methods and tools to substantiate engine and vehicle designs. The role requires 10+ years of aerospace analysis experience and building a world-class analyst team.

Cowboy Space Corp. is seeking a Mechanisms Engineer to own critical vehicle mechanism subsystems (e.g., landing gear, separation systems) from concept through flight. This hands-on role involves design, analysis, testing, and collaboration with propulsion, structures, and avionics teams to ensure mission success.

We are hiring across multiple satellite engineering disciplines looking for engineers experienced in designing, building, integrating, testing, or operating spacecraft systems. This role offers ownership over mission-critical space hardware and involves working on systems engineering, avionics, power, thermal, structures, GNC, and flight software.

Cowboy Space Corp is seeking a Senior People Operations Partner to be the strategic and operational backbone of the People function, supporting growth from 55 to 200+ employees. This role will own employee lifecycle, HRIS transition, benefits, engagement, and compliance for the Seattle office.

Cowboy Space Corp. seeks a Senior Mechanisms Engineer to own electromechanical actuator subsystems from concept through flight. The role involves designing, testing, and owning critical mechanisms for launch vehicles. Requires 5+ years of experience and U.S. citizenship.

Cowboy Space Corp. is seeking a Head of Test to build and lead the test organization for rocket propulsion systems. This role involves defining test philosophy, building test stands, and leading a team to test propulsion systems at high cadence.

Cowboy Space Corp. is building space infrastructure for the orbital economy. We are seeking an Injector Design and Development Engineer to own rocket engine injectors end to end, from design through validation, with hands-on manufacturing and test. This role is onsite in the greater Seattle, WA area.

Principal Turbo Hydrodynamicist responsible for owning the hydrodynamic design of rocket engine turbopumps, including flowpath design, analysis, testing, and hardware implementation. Requires 12+ years of turbomachinery experience, with a focus on cryogenic propulsion systems.

Own the Autonomous Flight Termination System (AFTS) end to end for Cowboy Space Corp., including range and FAA relationships, flight safety analysis, safety-critical avionics architecture, and certification. Set technical direction for the flight safety discipline and lead the qualification campaign.

Cowboy Space Corp. is seeking a Senior IT Engineer to architect, manage, and secure the company's IT infrastructure, including devices, identity, networks, and cloud, in a regulated ITAR/EAR environment. This hands-on role involves owning zero-trust compliance, automation, and cloud infrastructure, and serving as the senior escalation point.

Cowboy Space Corp. is seeking a Senior Fluids Engineer to own the design and development of fluid system hardware for propulsion, fluids, and thermal management architectures. The role covers valves, storage systems, routing, and integrated subsystems across the full lifecycle from concept through flight.

Cowboy Space Corp. seeks a Senior TCA Mechanical Design Engineer to own the lifecycle of rocket engine injector, combustion chamber, and nozzle hardware. The role focuses on design-for-manufacturability, advanced fabrication methods, and hotfire testing. On-site in Seattle, WA.

Cowboy Space Corp. seeks an experienced Technical Program Manager to drive execution of next-generation avionics hardware, anchoring the development lifecycle from concept through qualification and mission integration while bridging Engineering, Supply Chain, Manufacturing, and Quality teams.

Cowboy Space Corp. is seeking a Senior Accounting Specialist to manage high-volume accounts payable operations, ensure accurate invoice processing, and support financial operations for engineering and supply chain teams. The role involves vendor invoice processing, three-way matching, payment runs, and process improvements.

Senior Controls Engineer at Cowboy Space Corp. to design and develop motor controls, automation sequences, and embedded control systems for fluid systems in launch and propulsion. Requires 3+ years of controls experience and embedded C/C++. On-site in Seattle, WA.

Senior Flight Software Engineer responsible for owning payload flight software in Rust, including architecture, state machines, and telemetry. Lead technical owner driving the software toward on-orbit demonstration.