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Senior Software Engineer
Senior software engineer at an early-stage London AI startup building an AI-native data collection platform for field inspectors. Day to day: redesign an offline-first mobile app (Expo/React Native), build systems that turn voice notes, photos and video into expert reports, and design architecture for feeding context to AI models.
Senior Software Engineer (Backend oriented) (Bogota)
Senior backend engineer at Félix, a Series C fintech building AI-powered remittances and financial services for Latinos in the US. You'll design and scale Python/FastAPI microservices in a Payments, Disbursements, or GRC (KYC/compliance) squad on Google Cloud, Kubernetes, and Terraform.
Senior Software Engineer (Backend oriented) (Buenos Aires)
Senior backend engineer at Félix, a Series C fintech building an AI-powered financial companion (remittances, soon credit/savings/wallet) for Latinos in the US. You'll architect and scale Python microservices (Flask/FastAPI, REST, gRPC, Redis, SQL) on Google Cloud within the Payments, Disbursements, or GRC squad, working fully remote.
Senior Software Engineer (Backend oriented) (CDMX)
Senior backend engineer at Félix, a Series C fintech building AI-powered cross-border remittances and financial services for Latinos in the US. You'll architect and scale Python microservices (Flask/FastAPI, REST, Redis, gRPC) on Google Cloud and Kubernetes within the Payments, Disbursements, or GRC squad.
Full Stack Software Engineer
Early full-stack engineer (recruited by Raydar on behalf of a fast-growing AI software company) in Palo Alto, on-site 5 days/week. You build production web apps, backend services, and tooling that turn ML/agent research into real products, working with Python and TypeScript. Salary USD 200k–300k plus equity.

Member of Technical Staff
Sixtyfour, a YC-backed startup, builds AI agents that research and verify profiles of people and companies for sales, recruiting, and marketing teams. This in-person San Francisco role (new grad to senior) involves building OSINT research agents, evals, and large-scale enrichment pipelines, mainly in Python and TypeScript.

Senior Development Test Engineer
Leads the design, fabrication, and operation of ground test infrastructure (test rigs, DAQ systems, instrumentation) that proves out large deployable space structures at Beyond Reach Labs in New York City. Owns test campaigns and acceptance/qualification procedures from prototype through flight hardware.
QA Engineer — Wearables, Mobile & Cloud
Own end-to-end quality for a health wearable platform — testing across firmware, Bluetooth/BLE, iOS/Android SDKs, APIs, and cloud services, building automated tests in CI, and driving bug triage and release gates. Stack includes Python/JS, Swift, Kotlin, Go, and AWS.

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.
Senior Product Manager - Platform
Own the platform capabilities powering Canopy’s safety products for healthcare, including APIs, real-time location services, and enterprise integrations.
IT Manager
Sole, hands-on IT Manager owning day-to-day IT operations, user onboarding/offboarding, and identity & access management for a distributed maternal-health startup. Manages a Windows/macOS fleet via Intune, Microsoft Defender, O365, and Google Workspace, partnering closely with the CISO on endpoint and identity security.

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.
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
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…
Junior Web Developer: Remote Options + MacBook
Joinrs is hiring junior front-end developers (0-3 years) to build and maintain websites with HTML, CSS, and JavaScript and help create interactive, dynamic features. The role offers on-the-job training, a MacBook, and can be done fully remotely or from offices in Milan, Rome, or Madrid.


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.