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Senior Technical Writer
Own and scale developer documentation for an embedded finance platform, writing API references, guides, and tutorials while integrating AI workflows to keep docs in sync with the GraphQL-based card-issuing API.
Principal Software Engineer
Principal Software Engineer at Highnote, an embedded finance card issuing and processing platform, building secure, compliant payments platform products — mostly in Java — with strong use of AI-powered development tools. Hybrid role based in San Francisco with in-office days Monday–Thursday; salary range $190k–$240k plus equity.
Director of Regulatory Affairs
About Radiant Radiant is an El Segundo, CA-based company building the world's only mass-produced, transportable nuclear microreactors. The U.S. grid is under growing strain, with power demand accelerating, driving…
Principal Post-Silicon Validation Engineer
Principal Engineer leading post-silicon validation and testing of next-gen coherent DSP ASICs for AI and optical networking, ensuring first-silicon readiness and production deployment.
Senior Backend Engineer and Senior SDET roles
Nivelo, an integrated payments platform that helps payroll brands move money quickly and securely, is hiring Senior Backend Engineers and Senior SDETs. The work is full-time, remote within the US, paying $150k-$180k plus equity.
Project Manager - Workforce / Payments
Papaya Global, a payroll and payments platform for managing global workforces, is hiring a Project Manager in London to lead customer implementations of its EoR and payroll solutions — running project plans, timelines, status reporting, and customer communication, with an emphasis on AI-powered workflows and no/low-code automations.
Software Engineering Intern
Astro Mechanica, a venture-backed aerospace startup in San Francisco, is hiring an in-person summer 2027 Software Engineering Intern to own a real project end to end — flight software, simulation, test infrastructure, or internal tools — coding in languages like C++, Rust, or Python and testing on actual flight hardware.
Senior Software Engineer
Builds AI-powered mobile inspection tools for field workers, integrating voice, photos, and reports to automate data collection and decision-making in industrial and infrastructure settings.
Software Engineer
Full-stack engineer at a $10M seed-funded healthtech startup in New York building AI voice agents that complete patient workflows (scheduling, billing, refills) end-to-end. You'd own production features spanning Node/TypeScript, Postgres, React, EHR integrations, and real-time voice infrastructure, working fully in person in NYC.
Senior/Staff Software Engineer, Platform
Platform engineer building internal developer tooling, TypeScript libraries/SDKs, AWS infrastructure as code (Terraform/Pulumi), Buildkite CI/CD with per-PR ephemeral environments, and reliability/observability for an AI-native mortgage loan origination system. Goal is to boost product engineers' shipping velocity at a US fintech startup.
Site Reliability Engineer
SRE on the platform team of an AI voice-agent startup building an autonomous contact center: owns CI/CD, developer experience, observability, and agent harness engineering on a TypeScript/Python, Kubernetes/GCP stack handling millions of calls monthly. 100% remote within the US and Canada.
Senior Full-Stack Engineer
Senior Full-Stack Engineer at Nadia Care, a maternal-health startup, building and scaling care-team and member-facing mobile web apps with React, TypeScript, and Python, plus AI-native workflows and HIPAA-compliant AWS infrastructure. Fully remote within the contiguous US; salary is $140K-$155K.

Head of Machine Learning
Leads and scales EarnIn's machine learning organization, owning the ML roadmap and managing multiple teams that move models from research to production for its earned wage access fintech product. Requires deep ML engineering depth (Python, SQL), 12+ years experience, and hands-on leadership.

Senior Staff Software Engineer
Architects and leads the Identity & Trust platform for EarnIn, designing secure, scalable systems for authentication, KYC, fraud prevention, and PII protection. Focuses on multi-year strategy, distributed system architecture, and enabling cross-team trust infrastructure while integrating AI/ML guardrails.
Senior / Staff Safety & Systems Technical Program Manager
Technical program manager driving Waabi's safety, security, and systems engineering work for autonomous truck and robotaxi platforms — consolidating timelines and Jira boards into a master plan, tracking V&V in simulation and real-world testing, and coordinating production readiness reviews, using AI tools like Claude to cut manual overhead. Remote US; salary $152k–$232k.
Projects Control Engineer
Own project schedules and cost tracking for energy-storage projects using Primavera P6 and earned-value metrics, then report performance to drive decisions.

Senior Software Engineer
Senior engineer on EarnIn's Developer Experience team building AI-native tooling and agentic workflows (LLM APIs, MCP patterns, GitHub Actions/CI-CD automation) to accelerate how engineers build, ship, and operate software. Remote-friendly, with optional hybrid from the Mexico City office; no visa sponsorship offered.

Territory Manager (Virginia)
About Halter At Halter, we’re on a mission to enable farmers and graziers to run the most productive and sustainable operations. Our customers are using Halter to break free from the time-intensive constraints of…
Staff Software Engineer, Physical AI Orchestration
Senior hands-on IC role at a seed-stage robotics-AI startup: consolidating fragmented orchestration services into one production-grade platform (MothershipOS) that coordinates robots and humans across warehouse sites, while establishing version control, CI/CD, OTA updates, and observability. Core stack: Python, ROS/ROS2, distributed systems, cloud and edge compute.
Senior Software Engineer, Infrastructure
Designs and maintains a serverless-first AWS infrastructure (Lambda, Step Functions, Aurora) for a healthcare platform that supports patients with chronic and rare diseases, ensuring reliability and scalability.