Staff Backend Software Engineer Jobs in United States

129 open Staff Backend Software Engineer jobs in United States at 87 companies, including Verkada, Polymarket and Affirm. Updated daily from company career pages.

Verkada

Verkada is a cloud-based physical security platform provider helping enterprises operate safer, smarter buildings.

Polymarket

Polymarket is the world's largest prediction market.

Affirm

Affirm is a financial technology services company that offers installment loans to consumers at the point of sale.

3 more open roles at Affirm

Robinhood

Robinhood is a stock brokerage that allows customers to buy and sell stocks, options, ETFs, and cryptocurrencies with zero commission.

Uniswap

Uniswap is a decentralized exchange platform that operates on the Ethereum blockchain.

Fivetran

Fivetran is a technology company that automates replicating data into a cloud data platforms.

SentinelOne

SentinelOne is an autonomous cybersecurity solution company.

Mercor

Mercor is a better way to hire. We're an AI-powered platform that sources, vets, and pays your next employees.

Harvey

Harvey is a generative AI company building the future of professional services.

Hims & Hers

Hims is a wellness brand that helps men and women get access to products for skin care, hair loss, and sexual health.

Hex Technologies

Hex Technologies is a software platform for collaborative data science and analytics.

Owner

Owner.com develops a digital marketing platform to help restaurants generate revenue and manage their online presence.

Altruist

Altruist is a digital investment platform that offers commission-free trading and financial advice to individuals.

1 more open roles at Altruist

Black Forest Labs

Inflection AI

Inflection AI is an artificial intelligence startup that develops personal AI chatbots.

Fanatics

Fanatics is a sports merchandise retailer that manufactures fan gear and jerseys across retail channels.

Gradial

Marketing & sales ops at the speed of thought

Afresh

Afresh is an AI-powered company selling software to track demand and manage orders for fresh produce in grocery stores.

Argon AI, Inc.

AI for Pharma Intelligence

Hamming AI

Complete QA platform for voice agents

Updated 2026-10-10.