Backend Jobs in United States

N1

New Grad Software Engineer (Backend Rust)

North AmericaFull-time

Blockchain C++ Ethereum Networking Rust +2 skills

About N1: N1 is the first hyper-performant and horizontally scalable blockchain network designed to enable trustless computing at internet scale. N1 is comprised of a team spanning backgrounds from Harvard, CMU,…

Rune Technologies

Backend Software Engineer - Generalist

AI Analytics API AWS Backbone.js +9 skills

About Rune Rune Technologies builds mission-critical software for military logistics and sustainment. Our flagship product is TyrOS, an AI-enabled logistics command and control platform that gives commanders a single,…

Folio

RemoteNorth AmericaFull-time

Software Engineer, Backend

API Api Design Automation AWS CI/CD +17 skills

Come build the rails of B2B commerce in hospitality, starting with hotels What excites you You’re someone who has worked on early-stage teams, perhaps even as a founder, and love wearing multiple hats (to a healthy…

Castle

HybridNorth AmericaFull-time

Backend Software Engineer

AI API Api Design CI/CD Cloud +6 skills

Castle is the finance app that saves homeowners time and money. Homeowners use Castle to pay for and track all of their home expenses in one place. Castle then monitors those transactions for opportunities to save. The…

Comfy

Member of Technical Staff, Backend

AI Cloud Distributed Systems GitHub Helm +4 skills

The Role You’ll lead critical backend initiatives for the millions of creatives using ComfyUI, building systems that run millions of AI workflows. This means building rock solid distributed systems, designing data…

fun.xyz

HybridNorth AmericaFull-time

Backend Engineer

API Blockchain Cloud Containerization DeFi +7 skills

Capital markets are undergoing a fundamental shift. Assets that live in fragmented systems and manual workflows are moving onto blockchains -systems designed to move and store value more transparently and efficiently.…

Intro

HybridNorth AmericaFull-timeSenior

Founding Backend Engineer

Agentic AI AI API Automation AWS +10 skills

Come join us at Intro Intro is growing our team of amazing people who are on a mission to give everyone access to anyone, empowering each other to create a better world . Intro started in 2022 by first building a tool…

Tiger

Backend Engineer

North AmericaFull-time

Tiger is a leading software company. Example org allows real-time collaboration on important example workflows. Founded in 2012 we have over 10,000 customers worldwide and are backed by fantastic investors such as…

Coco

On-siteNorth AmericaFull-timeStaff

Staff Software Engineer, Backend

AWS C++ Datadog Go Helm +10 skills

At Coco, we’re dedicated to perfecting the last-mile delivery experience through robotics. We believe the delivery service industry in its current state is massively under-serving merchants, and we are committed to…

Offchain

RemoteNorth AmericaFull-timeSenior

Senior Backend Engineer, Nitro

Blockchain C++ Distributed Systems Ethereum Rust +1 skills

At Offchain, we aren’t just building products: we’re leading a movement. As pioneers in blockchain scalability and security, we're at the forefront of transforming how the world interacts with decentralized…

Falconer

Founding Engineer, Backend

Agentic AI AI API AWS Cloud +13 skills

At Falconer, we’re transforming how engineers create, access, and share knowledge with each other and their AI agents. We’re looking for a Founding Backend Engineer to help us build an AI-powered knowledge platform…

Method Security

Backend Engineer

AI API Cloud Containerization Cybersecurity +5 skills

About Method Security Method Security is dedicated to reshaping cybersecurity in an era where AI-driven threats are growing rapidly. Our mission is to defend critical institutions—such as government, defense, and key…

Layer

Open 0d North AmericaFull-time

Backend Engineer

API CI/CD ECS GitHub GitHub Actions +7 skills

About Layer Over the last decade, a vibrant ecosystem of SMB software tools has emerged to help SMBs manage and run their businesses. These tools help SMBs with everything from payments to payroll, but accounting has…

Ema

North AmericaFull-timeLead

Software Engineering Lead, Backend

Agentic AI AI Angular API Authentication +21 skills

About Ema Ema is building the world’s leading Agentic AI platform to transform enterprise productivity. We enable organizations to delegate repetitive tasks to Ema, the Universal AI Employee, delivering 10x gains in…

Formal

On-siteNorth AmericaFull-timeSenior

Senior Software Engineer | Backend

API AWS Azure Candidate Experience ClickHouse +20 skills

About Formal Formal is data security platform designed to help teams understand and control their data on autopilot. We're building a modern protocol-aware reverse-proxy for datastores and APIs that helps…

Ema

Software Engineer, Backend

North AmericaFull-time

Agentic AI AI Angular API Authentication +20 skills

About Ema Ema is building the world’s leading Agentic AI platform to transform enterprise productivity. We enable organizations to delegate repetitive tasks to Ema, the Universal AI Employee, delivering 10x gains in…

Nash

HybridNorth AmericaFull-timeSenior

Senior Backend Engineer

AI API Automation AWS CI/CD +11 skills

Senior Backend Engineer San Francisco / Hybrid / Remote About Nash Logistics is the substrate beneath every economy that has ever existed, and it remains the least intelligently coordinated activity in the modern…

Palantir Technologies

Backend Software Engineer - Defense

AI API Cassandra CI/CD Containerization +16 skills

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop…

HeyGen

API Api Design AWS Azure Cloud +14 skills

Backend Engineer

North America

About HeyGen At HeyGen, our mission is to make visual storytelling accessible to all. Over the last decade, visual content has become the preferred method of information creation, consumption, and retention. But the…