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Senior AI Engineer
Senior AI Engineer at Rumi, a $100M+ funded neobank for Mexico and Latin America, will build agentic AI experiences — including a WhatsApp-based financial assistant for loans and payments. The role owns AI agents end to end (RAG pipelines, evaluations, safeguards) using TypeScript and full-stack web, on-site in San Francisco.
Senior Forward Deployed Engineer - Operate
Owns end-to-end delivery of AI agent deployments for major US health systems and pharma: architecting production systems, integrating with EHR/EMR, claims and CRM under HIPAA, and presenting to executives. Remote US role built on JavaScript/TypeScript, Python, Node.js, React, PostgreSQL, Redis, AWS and GCP.
Senior Mobile Software Engineer
Senior Mobile Software Engineer at Comun, a fintech startup building banking services for Hispanic immigrants. You own the mobile engineering function, shipping React Native features across iOS and Android with TypeScript and GraphQL, while defining mobile architecture, tooling, and release processes alongside founders and leadership.
Senior Software Engineer, Full Stack
Senior full-stack engineer (4-8+ yrs) at Rumi, a $100M+ funded neobank for Mexico and Latin America, owning features end to end across banking, lending, payments and merchant tools (payroll, POS, inventory) plus an AI WhatsApp assistant. Core stack is TypeScript, React and Node.js, working from the San Francisco office.
Senior/Staff Software Engineer
Senior/Staff Software Engineer at Loancrate, a remote US startup building AI-native mortgage loan origination software. You'd ship full-stack features in TypeScript/React/Node.js on AWS and architect multi-step AI agents for lending workflows. Pays $150k-$350k plus equity; no visa sponsorship.
Forward Deployed Engineer (New York)
Forward Deployed Engineer at Beacon Software, a software holding company that buys and grows vertical market software businesses. You embed with portfolio companies to build, ship and operate agentic LLM software end to end, using TypeScript/Python, React, SQL and evals. NYC-based, 3+ days in office.
Software Engineer
Rilla, a New York startup whose AI turns in-person field sales conversations into coaching data, is hiring a software engineer with 1-3 years of experience to build end-to-end features across React, React Native, TypeScript, and Python, shipping fast and working in the office 5 days a week. Pays $193k-$258k plus equity.
Full-Stack Engineer, Investment Platform
Full-stack engineer building internal investment platforms for portfolio monitoring and LP reporting using Python, React, and TypeScript, incorporating AI/LLM agents for data ingestion and querying.
Member of Technical Staff - Atlas
Full-stack/agent engineer on Basis's internal Atlas team, building AI agent systems (coding agents, knowledge systems, self-healing services) embedded with internal teams to automate jobs end to end. Stack: TypeScript, Python, agent SDKs and LLM tooling; on-site in New York 5 days/week.
Senior Frontend Engineer
Senior frontend engineer at Retell AI building React-heavy user experiences — dashboards, analytics, and customer-facing tools — for its voice-AI call center platform. You write production React/TypeScript, own projects end to end on a ~7-person team reporting to the CTO, and work on-site in Redwood City.
Senior Engineering Manager
Senior Engineering Manager Company: Confidential — AI-powered tools Location: San Francisco, CA (downtown office, 5 days per week) Compensation: $415,000 - $450,000 + competitive equity Employment Type: Full-time Visa…
Senior Software Engineer
Senior Software Engineer at Candid Health building a revenue cycle management (RCM) automation platform that automates health insurance claims for medical providers. Own services end to end across a Python, TypeScript, React, PostgreSQL, and GCP stack, working 4 days/week from the New York, San Francisco, or Denver office.
Senior Software Engineer (Full-Stack)
Roger Healthcare, an AI-native home-health startup, is hiring a senior backend-focused full-stack engineer to build services that integrate LLMs/generative AI, eliminating documentation burden for clinicians. Stack: Python, TypeScript, React, AWS, Docker, PostgreSQL/MongoDB; hybrid 3 days/week in San Francisco.
Senior/Staff Software Engineer (Interactives)
Builds the interactive building blocks behind Brilliant's graphical AI tutor — composable, API-exposed primitives that learning designers, content agents and the tutor use to compose lessons. The work is rendering-heavy web engineering, mostly in Elm with significant TypeScript, closer to a game engine than a typical web app.
Software Engineer - Marketplace (Growth Infrastructure)
AfterQuery, a fast-growing AI data-infrastructure startup in San Francisco, seeks a full-stack engineer (2+ yrs) to build its expert marketplace platform — outreach tooling, AI interviewing, assessments, onboarding and matching — using TypeScript, Next.js, React, Node.js, Python, and AWS/GCP infra.
Staff Backend Software Engineer
Staff backend engineer at Textla, an outbound SMS platform for enterprise brands, owning and building core backend systems (routing, messaging, delivery, automation) that handle billions of messages a month. Day-to-day is 0-to-1 service development in Node.js/TypeScript on AWS with queue-based (SQS) infrastructure, working from the San Francisco office.
Staff Software Engineer - Biller Workflows
Staff engineer (8+ yrs) at healthcare company Commure, setting technical direction for the biller-workflow platform in its practice-management product and leading a multi-team rebuild of high-traffic claims surfaces. Core stack: React 19, TypeScript, Python/FastAPI, PostgreSQL, plus LLM/AI features and EDI X12.
Forward Deployed Engineer
Forward Deployed Engineer at Closure, a YC-backed startup whose software helps law enforcement search digital evidence and solve crime. You own agency deployments end to end — scoping pilots, ingesting messy evidentiary data, configuring the product, and writing Python/TypeScript scripts and integrations — roughly 60% customer-facing alongside detectives and prosecutors.
Founding Software Engineer
Founding Software Engineer at Helicon, a defense/aerospace advanced-materials startup, building Argos — an in-house operating system for a composite manufacturing facility covering supply chain, pricing, inventory, robotics orchestration, AI post-training/simulation and a 24/7 digital twin. Full-stack TypeScript with Python or Go backends, on-site in Los Angeles.
Frontend Engineer
Fullstack, a ~10-person crypto trading startup, is hiring a Frontend Engineer in New York to build the core UI of its retail trading platform — real-time charts, WebSocket data, and sub-second performance — using TypeScript, React, and CSS, on-site 5 days a week.