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Sphere

Founding Product Engineer

SphereSan Francisco, CA

Founding product engineer owns customer experience and ships frontend features end-to-end using React, collaborates with design via Figma, engages directly with finance customers, and co-owns product roadmap in early-stage AI compliance startup. Requires strong attention to detail and customer obsession.

230k – 260k/yr
On-siteFullstack Engineering
Applied Intuition

Software Engineer

Applied IntuitionAnn Arbor, MI

As a Software Engineer, you will design and implement solutions for autonomy products, working across the full stack, infrastructure, robotics, and graphics. You will take ownership of technical and product decisions, collaborate with domain experts, and contribute to a dynamic team culture.

Salary not listed
On-site4+ YOEFullstack Engineering
OnePay

Full Stack Engineer, Lending

OnePayUnited States

Full Stack Engineer on Lending team leads design and delivery of complex projects powering scalable lending platform, provides technical leadership, optimizes systems, and mentors engineers. Requires deep expertise in distributed systems, APIs, backend/frontend, and regulated finance domains.

180k – 260k/yr
RemoteFullstack Engineering
ClickUp

Principal Engineer, Collaboration Platforms

ClickUpUnited States

Owns architectural vision and strategy for real-time collaboration platforms enabling millions of concurrent users with ultra-low latency. Hands-on leader solving complex distributed systems challenges across full stack, driving performance improvements and mentoring engineers.

250k – 300k/yr
RemoteFullstack Engineering
Rilla

Software Engineer Intern - 2027 Graduates

RillaNew York, NY

Builds end-to-end features across full stack using React, TypeScript, Python for AI sales coaching platform. Requires strong coding skills in JS/Python-like languages and startup engineering experience; in-office NYC role for 2027 graduates.

Salary not listed
On-siteEntry levelFullstack Engineering
Kastle

Founder Intern (now and Summer 2026)

KastleSan Francisco, CA

Founder Intern works directly with founders on all aspects of an AI consumer lending startup, shipping products, handling operations from support to engineering, and operating autonomously in a high-intensity environment. Requires being very technical and relentlessly resourceful.

100k – 100k/yr
On-siteEntry levelFullstack Engineering
11x

Voice Agent Engineer (Full stack)

11xSan Francisco, CA

Builds and iterates fullstack systems powering voice AI agents for GTM, from concept to deployment. Requires 3+ years experience, CS degree, and expertise in TypeScript, React, NextJS, NodeJS, with interest in AI and voice tech.

130k – 160k/yr
On-site3+ YOEFullstack Engineering
Phantom

Software Engineer, Frontend / Full Stack (Identity Platform)

PhantomUnited States

Develops and maintains the Identity Platform handling authentication, signing pipelines, onboarding, and key management for Phantom's crypto wallet across web, Node.js, and mobile. Requires 7+ years experience with strong TypeScript, testing, and auth/security expertise.

Salary not listed
Remote7+ YOEFullstack Engineering
Bluesky Social

Senior Fullstack Developer (Typescript) - Trust & Safety

Bluesky SocialUnited States

Builds and maintains fullstack TypeScript/React applications for Trust & Safety moderation tools. Requires 5+ years TypeScript experience, React expertise, fullstack skills, and UI/UX excellence on a remote team.

141k – 192k/yr
Remote5+ YOEFullstack Engineering
EliseAI

Software Engineer (Full Stack and Mobile)

EliseAINew York, NY +1

Builds full stack and mobile features for a platform automating leasing and apartment operations. Requires 2+ years in backend languages like Java/Go/Python and mobile like Flutter/Swift/Kotlin, plus AWS and system design knowledge. Onsite role in NYC or SF offices.

230k – 270k/yr
On-site2+ YOEFullstack Engineering
Campfire

Full Stack Engineer

CampfireSan Francisco, CA

Builds mission-critical full-stack software using Python, NextJS/React, and Tailwind in a lean startup environment. Requires proven expertise, autonomy, and agility to lead projects and delight customers.

150k – 220k/yr
On-siteFullstack Engineering
Shepherd

Software Engineer, AI Product + Agents

ShepherdSan Francisco, CA +4

Builds AI-driven products and agents for autonomous underwriting in commercial insurance, working full-stack to integrate real-time data and experiment with AI implementations. Requires 5+ years experience with TypeScript/JavaScript and passion for construction risk.

170k – 220k/yr
On-site5+ YOEFullstack Engineering
Radar Labs

Senior / Staff Product Engineer

Radar LabsNew York, NY

Builds full-stack features across backend, frontend, and mobile for high-scale geolocation platform handling 1B+ API calls daily. Generalist engineer who collaborates with customers, debugs in real-world settings, and ships rapidly using modern stacks like TypeScript, Rust, and React.

200k – 300k/yr
On-siteFullstack Engineering
Inkeep

Member of Technical Staff, TypeScript Engineer (Principal)

InkeepNew York, NY +1

Principal TypeScript engineer owning end-to-end platform features for AI agent building, from API design and SDKs to UIs. Requires 4+ years TypeScript experience, full-stack fluency, system design skills, and high ownership.

180k – 250k/yr
On-site4+ YOEFullstack Engineering
Eloquent AI

AI Engineer, Platform

Eloquent AISan Francisco, CA

Builds full-stack applications powering AI-driven workflows, including front-end interfaces for agent control and scalable backends for real-time AI interactions. Requires 1-2 years full-stack experience with React, TypeScript, Node.js, Python/Go, and cloud infrastructure.

Salary not listed
On-site1+ YOEFullstack Engineering
Baseten

Software Engineer - Enterprise Platform

BasetenSan Francisco, CA +1

Architects and leads development of enterprise platform infrastructure, including self-hosted clusters, compliance solutions, and multi-cloud orchestration for AI inference. Requires 5+ years in distributed systems or Kubernetes, with enterprise security experience.

165k – 330k/yr
Hybrid5+ YOEFullstack Engineering
Crux

AI Product Engineer

CruxWashington, DC +1

Builds AI-powered products from scratch for clean energy finance, collaborating with customers, product, and cross-functional teams to reimagine transaction processes starting with diligence. Requires 4+ years full-stack experience shipping user-facing LLM products.

150k – 250k/yr
Remote4+ YOEFullstack Engineering
Fusion Health

Software Engineer

Fusion HealthWoodbridge Township, NJ +1

Builds and maintains full-stack software solutions including frontend (Angular/JS), backend (.NET Core), and databases for healthcare systems. Requires 3-5 years experience, bachelor's degree, and full SDLC collaboration in a hybrid environment.

115k – 138k/yr
Hybrid3+ YOEFullstack Engineering
LangChain

FullStack Engineer, Observability & Evals Platform (LangSmith)

LangChainSan Francisco, CA +2

Build features for LangSmith AI observability and evals platform using Go/Python backend and React/TypeScript frontend. Requires 2+ years fullstack experience, database knowledge (Postgres/Redis), and API design skills.

145k – 180k/yr
On-site2+ YOEFullstack Engineering
Console

Product Engineer

ConsoleSan Francisco, CA

Builds AI-powered product workflows and primitives for autonomous enterprise operations, owning features from concept to production. Requires 4+ years full-stack experience with TypeScript/Node.js/React and strong product instincts.

200k – 350k/yr
On-site4+ YOEFullstack Engineering
David AI

Staff Product Engineer

David AISan Francisco, CA

Leads full-stack development of audio data products, building scalable systems for processing terabytes of data, deploying LLM/DSP solutions, and mentoring engineers. Requires 6+ years full-stack experience with strong web fundamentals and technical leadership.

200k – 250k/yr
On-site6+ YOEFullstack Engineering
April

Senior Full-Stack Engineer

AprilNew York, NY

Leads full-cycle projects building cloud-native microservices and reactive frontends for a tax platform impacting millions. Requires 6+ years experience with React/Next/Angular/Vue, TypeScript/JavaScript, Python backends, and cloud environments like GCP/AWS.

160k – 190k/yr
Hybrid6+ YOEFullstack Engineering
Invert

Senior Software Engineer (North America)

InvertSan Francisco, CA

Senior Software Engineer builds backend/frontend systems with Python/FastAPI/Next.js for biopharma data platforms, integrates AI agents for experiment analysis, and leads projects in a fully remote, high-ownership environment.

Salary not listed
RemoteFullstack Engineering
Wispr Flow

Staff Software Engineer

Wispr FlowSan Francisco, CA

Builds scalable voice interface features and infrastructure for a habit-forming platform reaching billions. Requires fluency in TypeScript, React, Python, startup experience, and strong user design intuition.

250k – 325k/yr
On-siteFullstack Engineering
Dryft

Founding Full-Stack Engineer

DryftSan Francisco, CA

Builds scalable full-stack systems integrating agent-based reasoning, optimization, and simulation for manufacturing decision intelligence using Python backend and React frontend. Requires strong backend/infra experience with data-intensive multi-tenant systems and onsite work in SF.

Salary not listed
On-siteFullstack Engineering
Secureframe

Software Engineer

SecureframeNew York, NY +1

Builds fullstack features solving complex technical problems in a fast-paced security/compliance environment. Requires HTML, CSS, TypeScript, backend language experience, and CS fundamentals; Rails/PostgreSQL/Elasticsearch preferred.

Salary not listed
HybridFullstack Engineering
Salient

Senior Software Engineer - Core Product

SalientSan Francisco, CA

Builds and scales AI platform features for loan servicing, handling full-stack development from MVP to production. Requires 4+ years experience, strong Python, and ability to ship user-focused products in a fast-paced onsite environment.

200k – 260k/yr
On-site4+ YOEFullstack Engineering
Wispr Flow

Senior Software Engineer

Wispr FlowSan Francisco, CA

Build scalable voice interface features using TypeScript, React, and Python. Requires startup experience, strong engineering skills, user design intuition, and attention to detail for habit-forming AI product.

180k – 250k/yr
On-siteFullstack Engineering
Dryft

Founding Forward Deployed Engineer

DryftSan Francisco, CA

Founding engineer building intelligent manufacturing automation systems, handling 50% hands-on full-stack development and 50% customer deployments, product design, and operations scaling. Requires full-stack expertise, German fluency, systems thinking, and customer-facing skills with 10-30% travel.

Salary not listed
On-siteFullstack Engineering
Roboflow

Full Stack Engineer

RoboflowNew York, NY +1

Build and maintain core computer vision platform handling image processing, annotation, training, and deployment. Work across full stack with JavaScript/Node.js, Python ML pipelines, cloud infra; contribute to scaling processes in distributed team.

165k – 195k/yr
RemoteFullstack Engineering
Roboflow

Full Stack Engineer (Enterprise)

RoboflowNew York, NY +1

Builds and improves full-stack features for enterprise computer vision platform, supports customers on-site with travel, and collaborates with field teams. Requires JavaScript/Node.js expertise, Python for ML pipelines, Linux, cloud infra, and adaptability to new tech.

165k – 195k/yr
HybridFullstack Engineering
Krea

Fullstack Engineer

KreaSan Francisco, CA

Build and maintain full-stack web/mobile applications with SvelteKit/TypeScript frontend and Node.js backend, focusing on real-time UI, APIs, and performance optimization for AI creative tools. Design responsive experiences and scale infrastructure with Kubernetes and AWS GPU clusters.

Salary not listed
On-siteFullstack Engineering
Chestnut

Software Engineer (Staff-Level)

ChestnutSeattle, WA

Staff-level software engineer leading design and implementation of critical systems for AI-driven insurance platform. Works across backend, data, infra, and frontend; 8+ years experience scaling complex systems required.

Salary not listed
Hybrid8+ YOEFullstack Engineering
Chestnut

Software Engineer (Senior-Level)

ChestnutSeattle, WA

Build and scale core systems including Go microservices, event-driven workflows, and React UIs for AI-driven insurance platform. Requires 5+ years experience in production systems, systems thinking, and full-stack development across modern infra stack.

Salary not listed
Hybrid5+ YOEFullstack Engineering
Chestnut

Software Engineer (Mid-Level)

ChestnutSeattle, WA

Builds AI-native platform backbone using Go services, event-driven workflows, React UIs, and infrastructure tools. Requires 3+ years with Go, TypeScript, React, gRPC, and orchestration like Temporal in fast-paced environment.

Salary not listed
Hybrid3+ YOEFullstack Engineering
Pulse

Software Engineer

PulseSan Francisco, CA

Builds backend services in Python, frontend features in React/TypeScript, and improves extraction pipeline accuracy/latency. Requires 2+ years experience with Python/TypeScript/SQL; fullstack work across data infrastructure stack.

140k – 200k/yr
On-site2+ YOEFullstack Engineering
EliseAI

Founding Senior Software Engineer (Full Stack) | Healthcare

EliseAINew York, NY

Founding full stack engineer on healthcare team building user-facing features, internal tools, and new products from scratch. Owns end-to-end development including frontend UX, backend architecture, and API design with 3+ years experience required.

230k – 270k/yr
On-site3+ YOEFullstack Engineering
Cursor

Software Engineer, Product

CursorSan Francisco, CA +1

Product engineers build and ship core software like the editor, inventing new ways to develop software. Requires blending strong engineering with design taste, models expertise, and creative tool-building for user-facing products.

Salary not listed
On-siteFullstack Engineering
Cursor

Software Engineer, Enterprise

CursorSan Francisco, CA +1

Builds enterprise-grade features end-to-end for large organizations to adopt AI coding tools. Requires entrepreneurial spirit, passion for AI products blending engineering, models, and design, plus creative problem-solving.

Salary not listed
On-siteFullstack Engineering
Cursor

Software Engineer, Generalist

CursorSan Francisco, CA +1

Develops tools to automate coding for professional programmers in a flat, talent-dense team. Requires truth-seeking, passionate, creative individuals who thrive on debate, innovative ideas, and shipping code.

Salary not listed
On-siteFullstack Engineering
E2b

Product Engineer - AI

E2bSan Francisco, CA

Builds developer examples, cookbooks, and experimental AI projects using E2B to inspire users. Requires 5+ years software engineering experience, familiarity with AI frameworks like LangChain and LlamaIndex, and onsite work in San Francisco.

180k – 220k/yr
On-site5+ YOEFullstack Engineering
OpenAI

Software Engineer, Full Stack (People Innovation)

OpenAISan Francisco, CA +1

Full stack engineer building HR, culture, and recruiting products from scratch, owning end-to-end development lifecycle. Requires 4+ years experience, proficiency in JavaScript/React/Python, and interest in AI applications for people innovation.

153k – 385k/yr
Hybrid4+ YOEFullstack Engineering
Fal

Senior Software Engineer, Product

FalSan Francisco, CA

Build and deploy interactive user experiences for fal's generative media platform, owning full-stack features from concept to launch with a focus on model playgrounds. Requires 5+ years full-stack experience with TypeScript, Python, Postgres, and Next.js.

180k – 230k/yr
On-site5+ YOEFullstack Engineering
Usul

Fullstack Engineer

UsulSan Francisco, CA

Builds data pipelines and intuitive UIs to process multilingual government contract data, enabling companies to win contracts. Requires expertise in React, NextJS, Python, AI agents, and LLMs; works onsite in San Francisco solving national security challenges.

160k – 230k/yr
On-siteFullstack Engineering
Aleph

Software Engineer

AlephUnited States

Build and scale end-to-end production systems for a complex B2B FP&A platform, owning features from conception to launch. Requires strong fundamentals across UI to data layers, high agency, pragmatism, and experience building complex B2B products.

75k – 315k/yr
RemoteFullstack Engineering
Headway

Staff Fullstack Software Engineer

HeadwayNew York, NY

Staff Fullstack Engineer building end-to-end ownership of therapist practice management, patient engagement, and AI-enabled clinical systems. Owns features from database schema to UI while shaping technical strategy.

224k – 280k/yr
On-site7+ YOEFullstack Engineering
Miter

Software Engineer

MiterSan Francisco, CA +1

Build and maintain full-stack products powering a construction platform using TypeScript, React, Node, and MongoDB. Requires 2+ years experience, strong problem-solving, and collaborative mindset in a hybrid environment.

160k – 200k/yr
Hybrid2+ YOEFullstack Engineering
Render

Software Engineer, Product

RenderUnited States

Build end-to-end full stack products for Render's developer cloud platform, owning features from design to deployment. Requires 6+ years experience across the stack with web frameworks, APIs, databases, and distributed systems.

170k – 290k/yr
Remote6+ YOEFullstack Engineering
Camber

Senior Software Engineer

CamberNew York, NY

Senior engineer leading projects from 0 to 1, writing scalable code across the stack, and shaping technical direction at a healthcare software company. Requires 5+ years experience, customer empathy, and curiosity.

180k – 230k/yr
On-site5+ YOEFullstack Engineering
Shepherd

Software Engineer, Full Stack

ShepherdSan Francisco, CA +4

Builds and owns backend systems for underwriting, pricing, and policy workflows in an AI-native insurance platform. Requires 4+ years experience with TypeScript/Python backend, API design, and data-heavy systems.

170k – 220k/yr
On-site4+ YOEFullstack Engineering