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Machinify

Sr/Staff Software Engineer, Fullstack| Product

MachinifyUnited States

Designs and builds scalable fullstack web applications using Rust/Scala/Java, applying ML to healthcare data for efficient user experiences. Requires 10+ years fullstack experience, strong architecture skills, and CS degree.

215k – 255k/yr
Remote10+ YOEFullstack Engineering
Vercel

Software Engineer, Next.js

VercelSan Francisco, CA

Develop and maintain the Next.js open-source framework, working across internals like rendering, caching, routing, build systems, and developer tooling. Requires strong React expertise, independence, product judgment, and passion for open source developer infrastructure.

208k – 312k/yr
HybridFullstack Engineering
Customer.io

Senior Software Engineer - Email Channel

Customer.ioUnited States

Build and scale end-to-end email channel infrastructure and customer-facing frontend for high-volume messaging. Requires 7+ years in Go, React experience, cloud environments, email deliverability expertise, and full-stack ownership.

150k – 200k/yr
Remote7+ YOEFullstack Engineering
Forus

Engineering Internship

ForusNew York, NY

Full-stack and platform engineering intern building AI-powered solutions for insurance workflows, document processing, and patient/physician experiences at a healthcare AI startup.

2k – 3k/yr
On-siteEntry levelFullstack Engineering
BuildOps

Staff Software Engineer

BuildOpsSan Francisco, CA +1

Leads full-stack architecture and development using React.js, Node.js, GraphQL, and cloud infrastructure. Drives technical initiatives, mentors engineers, and optimizes scalability across teams. Requires 8+ years experience in modern JS environments.

197k – 262k/yr
Hybrid8+ YOEFullstack Engineering
Labric

Senior Full Stack Software Engineer

LabricSan Mateo, CA

Builds core data infrastructure for lab data integration, ships full-stack features with Python backend and TypeScript/Next.js frontend, and designs queryable schemas for scientific data. Requires 4+ years experience, strong Python/TypeScript, deep database knowledge, and CS degree.

180k – 240k/yr
On-site4+ YOEFullstack Engineering
Cognition

Product Engineer

CognitionSan Francisco, CA +1

Builds end-to-end features for AI software agents across IDE, web, and CLI, owning product decisions, user interactions, and core agent infrastructure like Devin. Requires full-stack expertise in Python, TypeScript, React and strong developer empathy.

Salary not listed
On-siteFullstack Engineering
Artera

Software Engineer (AI-Driven Billing Automation)

ArteraUnited States

Build and maintain an AI-driven Salesforce billing automation pipeline that integrates with healthcare vendors, reduces manual effort, and continuously improves accuracy through monitoring and feedback loops.

120k – 180k/yr
Remote2+ YOEFullstack Engineering
Tamarind Bio

Founding Software Engineer

Tamarind BioSan Francisco, CA

Founding engineer building and scaling a computational biology platform for AI-powered drug discovery, owning infrastructure, ML services, APIs, and web interfaces while collaborating with founders and users. Requires AWS DevOps, MLOps, and React expertise; onsite in SF.

150k – 250k/yr
On-siteFullstack Engineering
Nectarsocial

Staff Software Engineer

NectarsocialPalo Alto, CA

Staff Software Engineer builds and scales full-stack product experiences and backend infrastructure for AI-powered social commerce platform, processing large social data volumes and delivering AI-driven insights for brands. Involves technical leadership, mentoring, and architectural decisions in a fast-growing startup.

240k – 320k/yr
HybridFullstack Engineering
DAT Freight & Analytics

Senior Software Engineer

DAT Freight & AnalyticsSeattle, WA

Senior Software Engineer leads development of broker tech products using TypeScript/Node.js and React, implements message-driven workflows with Kafka/RabbitMQ, and drives technical architecture in a high-ownership environment. Requires 5+ years experience with distributed systems, cloud-native deployments, and observability.

155k – 211k/yr
Hybrid5+ YOEFullstack Engineering
Phonely

Software Engineer Intern

PhonelySan Francisco, CA

Intern software engineer troubleshoots customer issues, builds frontend components with React/Next.js, and supports production systems/observability in a fast-paced environment. Requires CS student status, JS/TS experience, and strong debugging skills.

Salary not listed
On-siteEntry levelFullstack Engineering
Stuut

Member of the Technical Staff — Applied AI, Fullstack

StuutSan Francisco, CA +1

Designs, builds, and scales fullstack systems for B2B accounts receivable platform, leading projects from database to UI. Requires 5+ years experience in Python/TypeScript, modern frameworks, cloud platforms, with customer engagement and mentoring.

185k – 250k/yr
On-site5+ YOEFullstack Engineering
Metriport

Senior Software Engineer

MetriportSan Francisco, CA

Senior full-stack engineer (backend-heavy) drives end-to-end projects scaling healthcare data platforms, building search/infra/LLM features using Node.js/TypeScript/AWS. Requires 6+ YOE, strong ownership, SF-based/relocate, generalist hacker mindset.

160k – 220k/yr
On-site6+ YOEFullstack Engineering
K1X

Senior Software Engineer

K1XIndianapolis, IN +1

Senior Software Engineer designs, builds, and owns full-stack features using C#, .NET, Angular, and Azure in a high-ownership IC role. Requires 4+ years experience, strong cloud-native SaaS background, and autonomy in a fast-growing startup.

Salary not listed
Remote4+ YOEFullstack Engineering
Twilio

Software Engineer

TwilioUnited States

Fullstack engineer building onboarding, integration experiences, and SDK APIs for developer-first identity products at Twilio/Stytch. Requires 3+ years experience with Next.js, customer-facing web apps, and strong communication skills.

117k – 172k/yr
Remote3+ YOEFullstack Engineering
OpenAI

Full-Stack Software Engineer, Applied Foundations

OpenAISan Francisco, CA

Builds and architects full-stack systems powering OpenAI's core products like ChatGPT, focusing on safety, security, and scalability across frontend and backend. Collaborates on resilient infrastructure handling global scale in fast-paced environment.

185k – 385k/yr
HybridFullstack Engineering
Betterment

Sr. Full Stack Software Engineer - Product Engineering

BettermentNew York, NY

Senior Full Stack Engineer builds customer-facing financial applications, collaborating with Product and Design teams to deliver delightful experiences using Ruby on Rails, React.js, and GraphQL. Leads initiatives ensuring high quality, performance, and security.

170k – 195k/yr
HybridFullstack Engineering
Aptos

Staff Software Engineer, Product

AptosPalo Alto, CA

Leads design, build, and optimization of Web3 products, applications, wallets, SDKs, and APIs for Aptos blockchain. Requires 5+ years building user-facing products with deep JavaScript/TypeScript/React expertise.

220k – 250k/yr
On-site5+ YOEFullstack Engineering
AI Fund

Software Development Engineer (Fullstack)

AI FundMountain View, CA

Develops and owns architecture for scalable AI-powered fullstack applications, focusing on backend infrastructure, agentic coding practices, data pipelines, and cross-functional collaboration. Requires 5+ years experience with Python/Node.js, Docker/Kubernetes, cloud platforms, and distributed systems.

190 – 220/hr
On-site5+ YOEFullstack Engineering
Beacons

Senior Software Engineer

BeaconsSan Francisco, CA +1

Senior fullstack engineer leading AI-powered creator tools from ideation to implementation, balancing React/TypeScript frontend and Python backend. Requires AI-native workflow using coding assistants and LLMs in production, plus customer empathy in fast-paced startup.

180k – 230k/yr
HybridFullstack Engineering
Addepar

Full Stack Software Engineer - Alts & Data Management

AddeparNew York, NY

Builds end-to-end features for Alts & Data Management platform, collaborating with product, design, and clients. Requires 2+ years full-stack experience (or 1+ frontend + 1+ backend), Bachelor's in CS, with React, Python, and Terraform as key technologies.

Salary not listed
On-site2+ YOEFullstack Engineering
Collective Intelligence Project

Fullstack Software Engineer

Collective Intelligence ProjectSan Francisco, CA

Builds and scales accounting platform features handling bank transaction reconciliation, partner integrations, and data pipelines. Requires 3-4 years fullstack experience with Python/Django/React, AI tools, and API integrations in a fintech context.

170k – 200k/yr
Hybrid3+ YOEFullstack Engineering
Mixpanel

Senior Software Engineer, AI Product Insights

MixpanelSan Francisco, CA

Builds end-to-end AI-powered proactive insights features for analytics platform, including agent logic, frontend visualizations, and integrations. Requires 2-5+ years full-stack experience with strong debugging skills and collaboration in remote environments.

226k – 306k/yr
Hybrid2+ YOEFullstack Engineering
Ambral

Senior Founding Engineer

AmbralNew York, NY

Build core platform for customer digital twins and agentic systems (Voice/SMS/Email) handling data ingestion, synthesis, and autonomous actions at scale. Requires 3+ years full-stack with distributed architectures and AI pipelines; work directly with CTO and customers onsite in NYC.

185k – 245k/yr
On-site3+ YOEFullstack Engineering
Earnin

Senior Full Stack Engineer

EarninMountain View, CA

Builds and owns scalable full-stack architecture for early-stage products using React, Next.js, TypeScript on frontend and Python, Django on backend. Partners with Product/Design, mentors engineers, ensures performance and reliability. Requires 4+ years experience.

210k – 257k/yr
Hybrid4+ YOEFullstack Engineering
Spotify

Full Stack Engineer - Advertising

SpotifyNew York, NY

Full Stack Engineer on Spotify's Advertising team, enhancing the Ads API and primary data store. Focus on data ingestion, transformation, storage, and providing data solutions to engineering squads across the company. Requires 5+ years Java backend experience at scale, API development, and some Scala data engineering.

Salary not listed
Remote5+ YOEFullstack Engineering
Shield AI

Senior Engineer, Software Systems (R4903)

Shield AISan Diego, CA +4

Designs, develops, integrates, and validates complex autonomy systems using systems engineering practices. Requires 5+ years experience, STEM bachelor's, C++/Python proficiency, MBSE, and US citizenship for security clearance.

110k – 170k/yr
On-site5+ YOEFullstack Engineering
Snowflake

Software Engineer - Workspaces

SnowflakeBellevue, WA

Builds end-to-end delightful experiences for Snowsight using full stack technologies like Go, React, and Java, leveraging agentic AI. Collaborates cross-functionally to ship scalable products with 3+ years full stack experience required.

160k – 230k/yr
On-site3+ YOEFullstack Engineering
Sharp Performance

Lead Full-Stack Engineer

Sharp PerformanceCulver City, CA

As a Lead Full-Stack Engineer, you will be the technical anchor for a new 0-to-1 product, setting architectural direction, writing code, and guiding a small team. This player-coach role requires strong product instincts and experience building from scratch.

Salary not listed
On-site7+ YOEFullstack Engineering
Nuro

Software Engineer, Autonomy Visualization

NuroMountain View, CA

Develops high-performance visualization frameworks using C++/OpenGL and Unity for autonomy development, validation, triage, and external apps at a self-driving tech company. Requires 1+ years in C++/OpenGL/QT and graphics concepts.

160k – 241k/yr
On-site1+ YOEFullstack Engineering
Nuro

Senior Software Engineer, Autonomy Visualization

NuroMountain View, CA

Develops high-performance visualization frameworks using C++/OpenGL and Unity for autonomy development, validation, and triage tools. Partners with autonomy and ML teams to enhance workflows and builds polished external visualizations. Requires 3+ years in C++, OpenGL, QT and graphics experience.

194k – 291k/yr
On-site3+ YOEFullstack Engineering
Blackbird.xyz

Engineering Intern

Blackbird.xyzNew York, NY

Summer engineering intern building and iterating fullstack features for web/mobile restaurant loyalty platform, debugging production services, and contributing to architecture. Requires React, TypeScript experience; onsite in NYC.

52k – 52k/yr
On-siteEntry levelFullstack Engineering
Spotify

Full Stack Engineer - Podcast

SpotifyNew York, NY

Builds backend services in Java and frontend SDKs in React/TypeScript for Spotify's podcast creator tools, including subscriptions, Synced Feeds, and Open Access API. Collaborates cross-functionally to scale revenue features and improve architecture.

Salary not listed
RemoteFullstack Engineering
Skylight

Senior or Staff Growth Engineer

SkylightNew York +1

Builds and iterates on growth experiments in Shopify e-commerce and React Native apps to boost subscription attach rates and retention. Requires 5+ years in TypeScript/React, A/B testing expertise, and focus on business outcomes.

180k – 220k/yr
Remote5+ YOEFullstack Engineering
Plaid

Senior Software Engineer, Full Stack (GenSWE)

PlaidNew York, NY +1

Designs and builds scalable backend services, APIs, and intuitive frontend experiences to connect users to financial systems. Collaborates with PMs, designers, and engineers; requires 5+ years experience across full stack with strong system design skills.

191k – 287k/yr
Hybrid5+ YOEFullstack Engineering
Plaid

Software Engineer, Full Stack

PlaidNew York, NY +1

Build scalable backend APIs and services (60-70%) alongside intuitive frontend experiences (30-40%) for financial connection tools used by millions. Requires 2-4 years full-stack experience with JavaScript, Python/Java/Go/Node.js, MySQL, microservices, and API design.

176k – 244k/yr
Hybrid2+ YOEFullstack Engineering
Anthropic

Staff+ Software Engineer, Public Sector

AnthropicSan Francisco, CA +1

Builds full-stack AI applications and scalable deployments for government customers, owning features from 0-to-1. Requires 8+ years full-stack experience, AI/ML integration, and strong collaboration skills; US citizenship required.

Up to 2
Hybrid8+ YOEFullstack Engineering
Higharc

Software Engineer, Showroom

HigharcUnited States

Full-stack Software Engineer building and maintaining showroom features including UI, APIs, rule engines for pricing/inventory, and 3D/CAD integrations. Requires 4+ years experience with React, SQL, API design, query optimization, and complex constraint systems.

Salary not listed
Remote4+ YOEFullstack Engineering
Kaizen Labs

Senior Software Engineer, Product

Kaizen LabsNew York, NY

Senior full-stack engineer architects and ships AI-powered features for government services platform, sets technical direction, mentors juniors, and engages with agency stakeholders. Requires 5+ years experience with React/Next.js, Node.js/TypeScript/Postgres, and AI coding tools.

180k – 250k/yr
Hybrid5+ YOEFullstack Engineering
Ai2

Senior Software Engineer, Fullstack

Ai2Seattle, WA

Builds fullstack AI-powered applications for scientific discovery using React for UIs and Python for backends. Collaborates with designers, PMs, and researchers; requires 8+ years experience, strong Python/React skills, and cloud/AI integration expertise.

126k – 189k/yr
On-site8+ YOEFullstack Engineering
Lance

Founding Engineer

LanceSan Francisco, CA

Founding Engineer leads design, development, and deployment of software for autonomous AI agents in hospitality. Requires proficiency in Python/JavaScript, AI/ML experience, scalable systems expertise, and in-person work in San Francisco.

160k – 300k/yr
On-siteFullstack Engineering
Fal

Software Engineer, Full Stack (Serverless)

FalSan Francisco, CA

Build and maintain full stack features for fal's Serverless AI inference platform, including UI dashboards, backend APIs, and scalable systems. Requires strong TypeScript, Python, Next.js, and Postgres proficiency with end-to-end ownership in a fast-paced environment.

150k – 230k/yr
On-siteFullstack Engineering
Zocdoc

Staff Software Engineer (Clinical Fit)

ZocdocNew York, NY

Leads architecture and development of systems matching patients to providers based on needs and preferences. Builds scalable data-intensive platforms with back-end services, front-end visualization, and GenAI tools for reliable healthcare booking experiences.

210k – 270k/yr
HybridFullstack Engineering
Lightning AI

Fullstack Engineer

Lightning AINew York, NY +2

Build features and improve performance using React and Go/Python in a SaaS environment. Partner on product development, own end-to-end features, mentor engineers, and maintain high code quality standards.

120k – 250k/yr
RemoteFullstack Engineering
Instabase

Software Engineer, Product Engineering (Senior + Level)

InstabaseSan Francisco, CA

Staff Software Engineer architects large-scale distributed systems in Go/Python, leads frontend with React/TypeScript, and drives technical strategy across Kubernetes/cloud infrastructure. Requires 8+ years experience, backend/frontend expertise, and product thinking.

238k – 255k/yr
Hybrid8+ YOEFullstack Engineering
DAT Freight & Analytics

Software Engineer

DAT Freight & AnalyticsSeattle, WA

Builds and maintains backend services in TypeScript/Node.js and contributes to React frontends for broker tech platform. Requires 2-5+ years experience, API familiarity, SQL, and async messaging systems like Kafka/RabbitMQ.

121k – 157k/yr
Hybrid2+ YOEFullstack Engineering
ARB Interactive

Fullstack Software Engineer

ARB InteractiveMiami, FL

Builds and maintains scalable fullstack systems for a social casino platform using React/Next.js/TypeScript on frontend and Node.js/MySQL/AWS on backend. Leads feature development like game lobbies, auth, payments; requires 5+ years frontend and 2+ backend experience.

Salary not listed
Remote5+ YOEFullstack Engineering
Chronograph

Senior Software Engineer

ChronographBrooklyn, NY

Leads full-stack projects from ideation to production, owning technical architecture and decisions for a platform handling private capital financial data. Requires 7+ years experience with TypeScript, Node, PostgreSQL, GraphQL, React; mentors juniors and drives team improvements.

150k – 215k/yr
Remote7+ YOEFullstack Engineering
Zus Health

Staff Full Stack Engineer

Zus HealthUnited States

Builds and operates full-stack web applications and APIs for healthcare data platforms, from React UIs to AWS backend services. Collaborates across teams to deliver scalable features, provides technical leadership, and ensures maintainability in a fast-paced startup.

160k – 200k/yr
RemoteFullstack Engineering