Backend Software Engineer Jobs in United States

About David AI David AI is the first audio data research company. We bring an R&D approach to data–developing datasets with the same rigor AI labs bring to models. Our mission is to bring AI into the real world, and we believe audio is the gateway. Speech is versatile, accessible, and human—it fits

Self Financial is a venture-backed, high-growth FinTech company with a mission to increase economic inclusion and financial resilience by empowering people to build credit and build savings. We're looking for people who share our passion and are driven to tackle challenges, find solutions and make t

Qrypt's mission is to protect the world's data and restore privacy. Qrypt hardens cybersecurity and future-proofs encryption against quantum attacks by eliminating key transmission. Qrypt's unique technology independently generates symmetric keys at multiple endpoints for critical workflows today. W

Ready to make connectivity from space universally accessible, secure and actionable? Then you’ve come to the right place! E-Space is bridging Earth and space to enable hyper-scaled deployments of Internet of Things (IoT) solutions and services. We are building a highly-advanced low Earth orbit (LEO)

Qrypt's mission is to protect the world's data and restore privacy. Qrypt hardens cybersecurity and future-proofs encryption against quantum attacks by eliminating key transmission. Qrypt's unique technology independently generates symmetric keys at multiple endpoints for critical workflows today. W

Papa is a new kind of care built on human connection. Across the country consumers, health plans, and employers look to Papa to provide vital social support by pairing older adults and families with Papa Pals. Trained and vetted companions who provide a helping hand and an open ear, resulting in les

Role Overview We’re looking for a Senior Software Engineer - Backend, to solve complex problems gracefully, grow scalable systems, and help to shape our technical vision. As a Senior Software Engineer, you’ll take an active role in breaking down projects into tasks, as well as the implementation met

ABOUT US At Vida, we help people get better- and we're helping the healthcare system get better, too. Vida is a virtual, personalized obesity care provider that uses evidence-based treatment to help patients manage obesity and related conditions like diabetes, high blood pressure, anxiety and depres

Your Company: As the Nonprofit Marketing Platform trusted by over 1,300 nonprofits, Feathr is purpose-built to help our customers unlock more results, time, and confidence. Feathr's software marketing platform equips nonprofits with the tools they need to build purposeful connections with their comm

Do you want to work for a mission-driven non-profit, writing software that will contribute to helping the livelihoods of millions of coffee farmers around the world? Enveritas is a 501(c)(3) non-profit and Y Combinator-backed startup looking to hire for our Engineering & Data Group. We are looki

About Fin Fin is a next-generation payments platform built for high-value, global, and instant transactions. We are a Series A-stage company backed by Sequoia, Circle, and other notable investors. Powered by stablecoins, Fin enables users and businesses to move millions of dollars in seconds - wheth

Who we are In the past, to be a successful restaurateur, you simply had to have a passion for food and a passion for people - but to succeed as a digital restaurateur you also need to have a passion for technology. We believe in the joy of serving others, and that's why we created Otter – to h

We are searching for a Senior Backend/Infrastructure Software Engineer to help us develop AI-based autonomous industrial robotic solutions and integrate them with our customers’ complex software management environments. As a Senior Backend Software Engineer, you will design, develop, and deploy the

What we're building The marine industry supports recreation, global commerce, and national defense. And yet it runs on technology that hasn't meaningfully changed in fifty years. Until now. Arc is on a mission to electrify the marine industry. We're rethinking powertrains, software, and vessel desig

At Philo, we’re a group of technology and product people who set out to build the future of television, marrying the best in modern technology with the most compelling medium ever invented — in short, we’re building the TV experience that we’ve always wanted for ourselves. In practice this means lev

About Concourse Concourse builds AI agents for corporate finance teams. We connect core enterprise data sources and deploy AI agents that can analyze the data through natural language, deliver insights in seconds, and enable our customers to make better decisions. Since launching less than a year ag

Who we are Ketch is a Series B data privacy B2B SaaS redefining responsible data use for the AI era. The Ketch Data Permissioning Platform is the new layer of business technology that helps brands collect, control, and activate permissioned, privacy-safe data across every device, system, and third-p

At Carbon, our mission goes beyond 3D printing. We are enabling creators everywhere to make what the world needs, right now. Our company is built on the idea that diverse fields of study must come together to solve intractable problems. We have grand ambitions to create technology that w

Every year, companies spend over a trillion dollars moving freight across the U.S. — but the system for matching trucks with jobs is still slow, manual, and fragmented. FleetWorks is fixing that. We’re building voice agents that transform the chaotic freight booking process into a modern, intelligen

Construction is the 2nd largest industry in the world (4x the size of SaaS!). But unlike software (with observability platforms such as AppDynamics and Datadog), construction teams lack automated feedback loops to help projects stay on schedule and on budget. Without this observability, construction