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Senior Software Engineer (Backend oriented) (Buenos Aires)
Senior backend engineer at Félix, a Series C fintech building a financial companion for Latinos in the US (remittances, credit, savings). You'd design and scale Python microservices on Google Cloud (Kubernetes, Terraform) in the Payments, Disbursements, or GRC/KYC compliance squad.
Senior Software Engineer (Backend oriented) (Guadalajara)
Félix, a Series C fintech serving Latino immigrants in the US with AI- and crypto-powered remittances, seeks a Senior Backend Engineer in Guadalajara to build and scale Python microservices on Google Cloud within its Payments, Disbursements, or GRC (KYC/compliance) squads.
Technical Product Manager
Technical product manager at an early-stage generative AI company building an AI-powered data platform for data teams: defines product strategy and roadmap, partners with design and engineering on launches, and supports sales and marketing. Requires 3+ years PM experience, modern data stack knowledge, and GenAI/LLM familiarity.
Senior Mechanical Engineer - Structures
About Pacific Fusion Pacific Fusion was founded in 2023 with the mission to power the world with abundant, affordable, clean energy. We are rapidly designing and building a pulser-driven inertial fusion system to…
Senior Software Engineer (Backend oriented) (CDMX)
Senior backend engineer at Félix, a Series C fintech building remittance and financial services for Latinos in the US. You'll architect and scale Python microservices in a Payments, Disbursements, or GRC (KYC/compliance) squad, using Google Cloud, Kubernetes, Terraform, and REST/gRPC APIs.
AI Engineer
The AI Engineer builds and deploys production‑grade AI workflow automations and intelligent agents for payroll and payments operations, using Python, LLM frameworks, and orchestration tools while collaborating with business units to drive measurable impact.
Senior Thermal Systems Engineer
Karman Industries, a Torrance (LA) thermal-hardware startup founded by ex-SpaceX/Rocket Lab/GE engineers, is hiring a Senior Thermal Systems Engineer to design and optimize its HPU zero-water cooling systems for 100kW+ AI data-center racks. Day to day: first-principles system sizing and modeling, PFDs, technical specs, cost estimates, and cross-team collaboration on heat pump and turbomachinery pr
[KLS] Product Manager
Product Manager at Kls, a 25-person B2B SaaS startup (created by Crédit Agricole's startup studio La Fabrique by CA) building corporate financing and investment tools for banks and funds. Day to day: user discovery, framing and prioritizing a new product initiative, designing flows with designers, working directly with developers, and using AI for specs and prototyping, on-site in Paris.
Supplier Quality Engineer
About Epirus Epirus is a high-growth technology company dedicated to overcoming the asymmetric challenges inherent to the future of national security. Epirus' flagship product, Leonidas, is a software-defined system…
Embedded Software Engineer Intern - Spring 2027
Castelion, an early-stage defense startup in Torrance, CA, seeks an Embedded Software Engineering intern for Spring 2027 to develop and debug low-level firmware, write device drivers, and bring up hardware for missile systems using C/C++, collaborating with hardware, GNC, and flight test teams.
IT Technician
First in-house, on-site IT field technician at a construction-automation startup in Buda/Austin, TX: sets up laptops, iPads and peripherals, enrolls devices in MDM, keeps hardware inventory, runs Cat6 cabling, and troubleshoots Mac/Windows/iPad/Linux issues while supporting growth from ~45 to 150+ employees.
Senior Staff Systems Architect – Data Quality
A Senior Staff Systems Architect owns data-quality, SNR, throughput and runtime models for a high-throughput sample-to-answer (clinical genomics) platform — running data-driven experiments, diagnosing cross-disciplinary hardware/chemistry/software issues, and building metrology and diagnostics tooling. Core tools: Python, MATLAB, C++, and AI-assisted analysis pipelines.
Senior IT Engineer
Onsite senior IT engineer at a stealth San Diego biotech startup (Radian Bio), owning day-to-day operations of Okta, Microsoft 365/Entra ID, Intune endpoint management, and Meraki/FortiGate networking, while running SOC 2/SOX IT controls, building backup and disaster recovery, and using AI tools to automate IT work.
Staff Embedded Systems Engineer
Designs and qualifies control electronics and power-conversion systems for Karman Industries' Heat Processing Unit, a supercritical CO2 chiller/turbomachinery system that cuts data center thermal energy use. Day-to-day spans LV/MV power conversion, grid-forming and bidirectional controls, SiC power devices, and SIL/HIL platform validation.
Forward Deployed Engineer - Kalepa for IT
Kalepa, an AI startup for the insurance industry, is hiring a Forward Deployed Engineer in New York to embed with insurance customers, design and build integrations of Kalepa's platform into their systems, and solve ambiguous problems hands-on. The core stack is Python with serverless cloud infrastructure (Lambda/EC2) and PostgreSQL.
Talent Acquisition Partner
About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you starved. Technology gave people more time for the things they wanted to do, instead of things they had to do. Powerful…
Materials and Process Engineer
Designs and tests materials and manufacturing processes for a next-gen thermal energy system, focusing on metal joining, thermosets, and high-temperature applications.
Brand & Product Designer
Builds and scales Piston's brand and marketing creative — identity, campaigns, website, and A/B-tested creative — spending ~80% of time on brand/marketing design and ~20% on product UI/UX for its fleet payments apps. On-site in Cupertino five days a week, working mainly with Figma, Adobe Creative Cloud, Webflow, and analytics tools.
Staff Power Electronics Engineer
Karman Industries, a Torrance-based startup building zero-water thermal cooling systems (the HPU) for AI data centers, is hiring a Staff Power Electronics Engineer to design, simulate, and qualify high-voltage (13.8kV+) power conversion and distribution systems, including PCB design, SIL/HIL modeling, and hands-on integration of high-power hardware on product skids.