backend engineer Jobs in Sunnyvale, California

Backend Engineer 32257
San Ramon, CaliforniaStealth Startup Job Summary: We are looking for a Senior Backend Engineer with 5+ years of experience, specializing in API integration, to join our growing team. You'll play a critical role in designing and implementing robust backend systems and integrating third-party and internal APIs...Full Job Details
Backend Engineer (Mid-Level) 32282
San Jose, CaliforniaStealth AI Startup We're hiring a high-bandwidth, mid-level backend engineer to work on challenging problems in a fast-paced, engineering-driven environment. You should currently be at a high-powered startup or similarly intense environment. If you thrive in lean teams, care about code...Full Job Details
Backend Engineer (Mid-Level) 32278
San Mateo, CaliforniaStealth AI Startup We're hiring a high-bandwidth, mid-level backend engineer to work on challenging problems in a fast-paced, engineering-driven environment. You should currently be at a high-powered startup or similarly intense environment. If you thrive in lean teams, care about code...Full Job Details
Backend Engineer (Mid-Level) 32284
San Mateo, CaliforniaStealth AI Startup We're hiring a high-bandwidth, mid-level backend engineer to work on challenging problems in a fast-paced, engineering-driven environment. You should currently be at a high-powered startup or similarly intense environment. If you thrive in lean teams, care about code...Full Job Details
Backend Engineer (New Grad) 32277
San Mateo, CaliforniaStealth AI Startup We're seeking a high-potential backend engineer just out of school, ideally from a top-tier university and with a strong GPA. This is a high-growth opportunity for someone excited to work on impactful engineering challenges from day one. You'll join a small, fast-moving...Full Job Details
Senior Backend Engineer
Palo Alto, CaliforniaPace AI Who We Are We founded Pace AI to help 2.3 billion people across the world unlock economic opportunities through English language acquisition and workforce training. We're building Pace AI to accelerate multilingual and lower-literacy working adult learners onto career...Full Job Details
Tech Lead - Backend Engineer
Palo Alto, CaliforniaEternos About Us: Eternos is an AI startup founded by Robert LoCascio in 2024, who was the previous Founder & Previous CEO at LivePerson. Eternos provides realistic AI replicas of individuals that allow people to preserve, share, and interact with their memories and knowledge in...Full Job Details
Backend Software Engineer
San Francisco, Californiarecruyt Responsibilities include: Building scalable backend services using Node and TypeScript Developing and deploying responsive frontend interfaces using React and Typescript Database integration and management of sensor data, user information, and system configurations...Full Job Details
Founding Senior Software Engineer (Backend)
San Carlos, CaliforniaRetell AI About Retell Retell is building the new standard for automating call center communications, including sales, support, customer engagement, and retention calls. Backed by Altman Capital, Y Combinator, and top investors, we've raised a $4.7M seed round and hit $10M ARR in 15...Full Job Details
Senior Backend Engineer - YC Startup in SF
San Mateo, CaliforniaPump.co About Pump.co Cloud spend is a whopping $500 billion/yr, the biggest growing expense category for any tech company - tackling these costs requires continuous effort and time from DevOps teams. Pump is a building the fastest way to save 60% on cloud spend. Our AI-powered...Full Job Details
Founding Senior Backend Engineer AI-Powered Healthcare Platform
San Francisco, CaliforniaesrhealthcareFounding Senior Backend Engineer AI-Powered Healthcare Platform Compensation: $100-200k annually + Equity Location: San Francisco, CA (Hybrid, 3 days in office) Who Are We? We're an early-stage startup building a next-gen, AI-driven healthcare system designed to eliminate...Full Job Details
Backend Software Engineering Manager - Consumer Health Platform
Redwood City, CaliforniaSkyrocket Ventures Backend Software Engineering Manager - Consumer Health Platform Location: Redwood City, CA (you can work from home up to 3x/week) The company's product is in the realms of healthcare, consumer web, consumer mobile, and enterprise software. The company is reducing the cost...Full Job Details
Full Stack Engineer
San Francisco, CaliforniaHonest Search Senior Full-Stack Software Engineer AI Startup San Francisco (Onsite) We're looking for a Senior Full-Stack Engineer (Individual Contributor) to join a rapidly scaling, AI-first company backed by top-tier investors. Our product is built on cutting-edge machine learning and...Full Job Details
Software Engineer
Santa Clara, CaliforniaMeet Life Sciences Software Engineer Location: San Francisco Bay Area (Hybrid) Industry: Medical Diagnostics Healthcare Technology About the Role As a Software Engineer , you will work on building and maintaining core diagnostic platform, focusing on Python for backend development and React...Full Job Details
ANDROID SOFTWARE ENGINEER II
Mountain View, CaliforniaRyzen SolutionsWe are seeking an ANDROID SOFTWARE ENGINEER II to join our team in a SOFTWARE DEVELOPMENT company in MOUNTAIN VIEW. This position is a Contract-W2 role with Onsite work set-up. The ideal candidate will have experience building mobile POCs, integrating backend technologies...Full Job Details
Founding Engineer
San Mateo, CaliforniaStealth Startup We are building an AI-powered ecosystem that enables personalized care for seniors aging at home. At its core, Vali serves as an intelligent manager transforming how care is delivered and managed - helping home care agencies unlock operational efficiencies and open up...Full Job Details
Founding Engineer ($140k-$220k, 1% to 2.3%)
San Francisco, CaliforniaResonate AI$140000.00 - 220000.00 a year Base $140k-$220k, 1% to 2.3% In person (Financial District, San Francisco, CA) We're building superhuman conversational AI for healthcare. Our first AI product captures missed calls and books appointments with a higher success rate than human receptionists. People love the...Full Job Details
Founding Engineer
Santa Clara, CaliforniaAlexander Chapman$200000.00 - 310000.00 a year We&re partnering with a rapidly growing startup that&s transforming how businesses handle their phone interactions. They&re developing innovative voice-driven solutions to improve customer outreach, support, and engagement-all powered by cutting-edge technology but without...Full Job Details
Senior Software Engineer
San Mateo, CaliforniaConfero Senior Software Engineer - Control Plane Lead San Francisco, CA (remote) Confero is partnering with a well-funded, early-stage startup building a next-gen platform at the intersection of AI, data, and cloud infrastructure. Founded by experienced technical leaders, the team...Full Job Details
Design Engineer
San Francisco, CaliforniaDelphi Tired of reading job descriptions? Learn more about this position by video calling the CEO's clone here: What You Will Work On What if you could create a perfect digital representation of your mind? What if you could teach that mind new skills and watch it grow? What if you...Full Job Details
Founding Software Engineer
San Francisco, CaliforniaKey Technology About the Company Ready to shape a game-changing AI startup? Join our elite, We're processing multimodal data - text, images, video, audio - at lightning speed, with $320K ARR in 3 months and a $5M goal by year-end. Backed by Founders Fund ($3.8M seed) from top AI Labs/...Full Job Details
Lead Software Engineer
Livermore, CaliforniaRonbow Corp Tech Lead - Internal Tools & Automation Location: Onsite in Livermore, CA About the Role Ronbow is a fast-growing cabinetry company reinventing how the $300B home renovation market works. We're looking for a hands-on Lead Software Engineer to own and modernize the backbone...Full Job Details
Forward Deployed Engineer
San Francisco, CaliforniaStealth Startup Build the OS for AI-first enterprises. We're not building another SaaS tool. We're creating the operating system that helps enterprises adopt AI. We partner with companies to solve their most complex operational challenges by embedding AI across every layer of their...Full Job Details
Senior Vision Systems Software Engineer
San Jose, CaliforniaMirafra Technologies Senior Vision Systems Software Engineer Vision Systems, Embedded C , Real-Time Video, Full-Stack Development, Cloud Integration, React, Streaming Media, Web Application, On-Device Software, Video Widgets We're looking for a Senior Full Stack Engineer with strong C/C and web...Full Job Details
Senior Software Engineer - AI Fintech
San Francisco, CaliforniaGreylock Funding Round : Series A Industry: AI Fintech Role: Senior Software Engineer - Backend generalist Location: In person in SF, SOMA Greylock recently invested in a company developing AI technology designed for financial crime investigations and helps financial services,...Full Job Details