Senior Backend Engineer Jobs in United States

ABOUT onX We’re a team of builders, adventurers, and risk takers using technology to help people confidently explore the outdoors. Driven by our mission to awaken the adventurer inside everyone, we build products that optimize every outdoor experience and inspire confidence to get out and go further

Summary: As a Senior Backend Engineer, you will design, build, and deploy the backend services that power our creative brainstorming and creation products. You will work with web and video standards to power our suite of web-based image and video creation / editing tools. You will also work on build

At Ernesta, our mission is to bring gorgeous, design-focused custom rugs to homes and places of gathering through a frictionless, transparent, and affordable experience. At the same price as a store-bought, standard-sized rug, a custom-cut rug from Ernesta is not only a better fit, but it will be hi

Job Title: Senior Backend Engineer Location: Hybrid (with options for remote work) Job Type: Full-Time Company Overview: At AICrete, we are committed to revolutionizing the global concrete and construction industry. Leveraging AI, machine learning, computer vision, and sophisticated automation, AICr

About the Company Ellipsis Labs is a profitable, venture-backed New York-based startup building differentiated products and infrastructure in decentralized finance. The company is the developer of Phoenix, the leading order book spot exchange on the Solana blockchain, and a top 10 DEX (decentralized

About the Position Bluefish AI is looking for a Senior Backend Engineer to own the data platform infrastructure that powers our AI marketing platform; building the systems that reliably move and process data at scale. This role sits within the Data Engineering team and focuses on building scalable,

What is Spade? Financial institutions process billions of transactions every day across cards, ACH, wires, and third party aggregators. But most of that data is difficult to use. Descriptions are inconsistent, merchant names don’t match, and categories vary by payment type. Spade is a data and AI pl

Arbiter is the AI-powered care orchestration system that unites healthcare. We are launching our best-in-class, patient-facing Agentic platform to optimize patient outcomes through a unique multimodal approach. We optimize complex healthcare workflows that interface with patients using the latest Ag

Prismatic is the integration platform that helps B2B software companies build integrations fast and deliver them at scale. We're turning integrations from a bottleneck into a growth driver for hundreds of companies, from high-growth startups to Fortune 500s. Our platform handles everything that brea

About Us: Blockworks is an information platform that sits at the center of the crypto industry. We transform raw, complex data and facts into actionable research, trusted alpha-driven insights, and world-class events. The result is transparency and confidence. Blockworks connects investors and busin

Who We Are We are a dynamic and innovative technology company dedicated to transforming the decentralized web. Our mission is to develop cutting-edge decentralized applications (dApps) that leverage blockchain technology to empower individuals and organizations. We are seeking a talented and experie

About Life360 Life360’s mission is to keep people close to the ones they love. Our category-leading mobile app,Tile tracking devices, and Pet GPS tracker empower members to protect the people, pets, and things they care about most with a range of services, including location sharing, safe driver rep

Unqork’s AI-First Enterprise Development Platform is revolutionizing the way organizations build, maintain, and secure applications across their entire lifecycle. Named one of America’s Best Startup Employers by Forbes five times, Unqork provides industry-tailored solutions for customers

To help avoid bots and fake submissions we require email authentication after you submit your application About Scanner At Scanner, we’re committed to building the best tools in the world (in Rust!) for teams to search and query through enormous piles of data. Whether you're debugging a distr

About the Role We're looking for a Senior Backend Engineer to build the systems and services that power our product experience. You'll own the backend infrastructure that makes our content discoverable, our features responsive, and our platform reliable at scale. Your work will directly shape

About Duckbill We are developing a SaaS product called Skyway that simplifies financial planning and analysis of cloud billing data for large enterprises with complex cloud spending requirements. Enterprise cloud cost management is a deceptively deep problem we believe the entire cost management spa

About Us At Qloo, our cutting-edge Taste AI technology leverages extraordinary amounts of data—over half a billion records of public figures, places, and things, plus a globe-spanning consumer behavior and sentiment database—to unearth deep insights about consumer preferences. From understanding glo

About Bevel Bevel is an AI Health Companion that helps people make smarter decisions about their health every day. Our app brings together data across sleep, recovery, activity, nutrition, and more, and turns it into real-time, personalized guidance. Whether you're training for something big or just

About the Role We are looking for a Senior Backend Engineer to lead the unification of large, highly rich, and heterogeneous datasets sourced from a wide range of external providers. These datasets are used to power our generative audio models. Your work will create the foundational dataset th

Why Openly Openly is rebuilding insurance from the ground up. We are re-envisioning and enhancing every aspect of the customer experience. Doing this requires a rapidly growing team of exceptional, curious, empathetic people with a wide range of skill sets, spanning technology, data science, product