Backend Developer Jobs in United States

Backend Developer jobs in United States hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $232,395/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

United States
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Fresco

fresco-ai.com
fresco-ai.com • San Francisco • Artificial Intelligence • 11-50 employees
San Francisco • Artificial Intelligence • 11-50 employees
Top 25% payVerified live · 3 hours ago 4 days ago

Founding Software Engineer

$100k – $200k per year • Equity 0.1–2% • In office (San Francisco, United States) • Full-Time
Python
TypeScript
AI/ML
LLM
Anthropic
OpenAI
Frontend
React.js
Apply
Report

Imagine AI

imagineai.me
Imagine AI builds B2B content for your entire team so prospects find you, trust you, and book meetings before your competitors even get a reply. Used by Forbes 30 Under 30 founders & Fortune 500 CEOs. Backed by Y Combinator.
imagineai.me • San Francisco • Advertising • Content Creation • Artificial Intelligence • 11-50 employees
San Francisco • Advertising • Content Creation • Artificial Intelligence • 11-50 employees
Top 25% payVerified live · 3 hours ago 4 days ago

Founding Engineer (Full Stack)

$140k – $200k per year • Equity 0.5–1.5% • Junior • 1+ year expIn office (San Francisco, United States) • Full-Time • Junior
Python
TypeScript
Databases
PostgreSQL
Neo4j
Supabase
Frontend
Next.js
DevOps
Git
Vercel
Apply
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Veryfi

veryfi.com
Veryfi is a Y Combinator-backed Intelligent Document Processing (IDP) and financial technology company based in San Mateo, California. The company provides developer-first AI APIs and mobile/web SDKs (Veryfi Lens) that automatically transform unstructured business documents - such as receipts, invoices, W-2/W-9 forms, checks, bank statements, and credit cards - into structured JSON data in real time.
veryfi.com • HQ: San Mateo, United States • Software • Billing & Invoicing • Data & Analytics • Artificial Intelligence • 51-200 employees
HQ: San Mateo, United States • Software • Billing & Invoicing • Data & Analytics • Artificial Intelligence • 51-200 employees
Verified live · 3 hours ago 4 days ago

Senior Python Engineer

$90k – $130k per year • Equity 0–0.2% • Senior • 3+ years expSan Mateo • Remote (United States, Colombia) • Full-Time • Senior
JavaScript
Python
Python
Django
Flask
Mobile
React Native
DevOps
Docker
Apply
Top 25% payVerified live · 3 hours ago 4 days ago

Full-Stack Software Engineer

$120k – $160k per year • Junior • 1+ year expIn office (San Mateo, United States) • Full-Time • Junior
JavaScript
Python
Python
Flask
AI/ML
Edge AI
Frontend
JQuery
React.js
Mobile
State Management
Apply
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Vector

vector.co
Uncover the real people looking to buy, preview exactly who will see your ads before spending a dime, and launch your campaigns with confidence.
vector.co • Boston • Lead Generation • Sales & Marketing • Advertising • 11-50 employees
Boston • Lead Generation • Sales & Marketing • Advertising • 11-50 employees
Top 25% payVerified live · 3 hours ago 4 days ago

Forward-Deployed Engineer, API

$100k – $200k per year • Equity 0–0.1% • Middle • 3+ years expIn office (Boston, United States) • Full-Time • Middle
Node JS
TypeScript
DevOps
Vector
AWS
Apply
Report

Pax

paxai.com
Pax AI is an AI-native global trade control tower for duty drawback, tariff recovery, customs audits, FTZ, reconciliation, and post-entry compliance.
paxai.com • San Francisco • Audit
San Francisco • Audit
Top 25% payVerified live · 3 hours ago 4 days ago

Software Engineer (Senior)

$175k – $220k per year • Senior • 3+ years expIn office (San Francisco, United States) • PhD • Full-Time • Senior
PostgreSQL
AI/ML
AI Agents
LLM
Frontend
Next.js
React.js
Apply
Top 25% payVerified live · 3 hours ago 4 days ago

Software Engineer (Early Career)

$130k – $150k per year • Equity 0.1–0.4% • Junior • In office (San Francisco, United States) • PhD • Full-Time • Junior
PostgreSQL
AI/ML
LLM
AI Agents
Frontend
Next.js
React.js
DevOps
GitHub
Apply
Top 25% pay 21 day ago

Software Engineer (Early Career)

$130k – $170k per year • Junior • In office (San Francisco, United States) • PhD • Full-Time • Junior
Python
JavaScript
Python
FastAPI
Databases
PostgreSQL
AI/ML
LLM
AI Agents
Frontend
Next.js
React.js
DevOps
GitHub
Apply
Report

Rollstack

rollstack.com
rollstack.com • New York • Seattle • Software • Data & Analytics • 51-200 employees
New York • Seattle • Software • Data & Analytics • 51-200 employees
Top 25% payVerified live · 3 hours ago 4 days ago

Software Engineer (TypeScript) - Eastern US/ Eastern Canada

$140k – $240k per year • Equity 0–0.2% • Middle • 3+ years exp • Remote (United States, India, Germany, Canada, Morocco) • Full-Time • Middle
Node JS
TypeScript
Node JS
Prisma
AI/ML
Gemini
LangChain
Langfuse
OpenAI
Frontend
React.js
shadcn/ui
Tailwind CSS
DevOps
ArgoCD
AWS
CI/CD
Kubernetes
SigNoz
Analytics
Tableau
Apply
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Monumint

monumint.com
Monumint is a company that offers services and technology solutions related to digital assets and blockchain based financial products. It focuses on tools for creating managing and trading tokenized assets in environments that emphasize regulatory compliance and risk control.
monumint.com • San Francisco • DeFi • Blockchain & Crypto • Asset Tokenization
San Francisco • DeFi • Blockchain & Crypto • Asset Tokenization
Top 25% payVerified live · 3 hours ago 4 days ago

Forward Deployed Engineer

$150k – $200k per year • Equity 0.5–1.5% • Middle • 3+ years expIn office (San Francisco, United States) • Full-Time • Middle
TypeScript
Node JS
Databases
PostgreSQL
AI/ML
AI Agents
Frontend
Next.js
React.js
DevOps
Docker
Marketing
Salesforce
Apply
Top 25% payVerified live · 3 hours ago 4 days ago

Full Stack Engineer

$150k – $200k per year • Equity 0.5–1.5% • Middle • 3+ years expIn office (San Francisco, United States) • Full-Time • Middle
TypeScript
Databases
PostgreSQL
AI/ML
AI Agents
Frontend
Next.js
React.js
DevOps
Docker
Apply
Top 25% pay 2 months ago

Senior Software Engineer

$200k – $250k per year • Equity • Senior • 6+ years expIn office (San Francisco, United States) • Full-Time • Senior
TypeScript
JavaScript
Databases
PostgreSQL
AI/ML
AI Agents
Frontend
Next.js
React.js
DevOps
Docker
Apply
Report

Yn

yn.app
Y/n - Fanfiction but you're the main character. Play fics, write your own romance novels, or discover 1M+ interactive stories.
yn.app • San Francisco • Digital Goods • LLM & Generative AI • Media & Entertainment • 11-50 employees
San Francisco • Digital Goods • LLM & Generative AI • Media & Entertainment • 11-50 employees
Top 25% payVerified live · 3 hours ago 4 days ago

Founding Engineer

$120k – $300k per year • Equity 0.5–2% • In office (San Francisco, United States) • Relocation • Full-Time
Vercel
GitHub
Apply
Top 25% payVerified live · 3 hours ago 4 days ago

Software Engineer

$120k – $300k per year • Equity 0.5–2% • Junior • 1+ year expSan Francisco • Remote (United States) • Relocation • Full-Time • Junior
Recommender Systems
DevOps
Vercel
GitHub
Apply
Report

Ventura

ventura.ai
Ventura automates quoting and order entry for distributors, helping sales teams turn emails, PDFs, and other purchase orders into accurate quotes and orders in their ERP system.
ventura.ai • San Francisco • Enterprise Resource Planning (ERP) • 1-10 employees
San Francisco • Enterprise Resource Planning (ERP) • 1-10 employees
Top 25% payVerified live · 3 hours ago 4 days ago

Founding Engineer

$140k – $220k per year • Equity 0.5–2% • In office (San Francisco, United States) • Relocation • Visa sponsorship • Master's Degree • Full-Time
Python
TypeScript
AI/ML
AI Agents
Context Engineering
Frontend
Next.js
DevOps
GCP
Apply
Report

Relling

relling.co
American manufacturing, automated. AI robot workcells qualified off-site — live on your floor in weeks, not quarters.
relling.co • San Francisco • Industrial Automation • Robotics • Industrial Robotics • 51-200 employees • Est. 2025
San Francisco • Industrial Automation • Robotics • Industrial Robotics • 51-200 employees • Est. 2025
Verified live · 3 hours ago 4 days ago

Software Engineer, Perception

$120k – $170k per year • In office (San Francisco, United States) • Full-Time
C++
Python
AI/ML
Computer Vision
DINOv2
Quantization
TensorRT
Robotics
Localization
Perception
ROS
ROS2
Imitation Learning
Motion Planning
Sim-to-Real
Apply
Verified live · 3 hours ago 4 days ago

Software Engineer Intern

Intern • In office (San Francisco, United States) • Internship • Intern
Python
C++
C++
PyTorch C++
AI/ML
DINOv2
PyTorch
LLM Evaluation
Robotics
Imitation Learning
Diffusion Policy
OpenVLA
ROS
ROS2
Apply
Report

Mantis

mantisbiotech.com
Mantis builds the infrastructure layer for living, predictive models of individual human beings — forecast to the horizon where a decision still has to be made. Starting with medicine.
mantisbiotech.com • New York • Predictive Analytics • Health Care • Artificial Intelligence • 11-50 employees
New York • Predictive Analytics • Health Care • Artificial Intelligence • 11-50 employees
Top 25% payVerified live · 3 hours ago 4 days ago

Founding Engineer

$160k – $200k per year • Junior • 1+ year expIn office (New York, United States) • Full-Time • Junior
Python
TypeScript
Databases
PostgreSQL
AI/ML
LLM
Time Series Forecasting
Frontend
Next.js
React.js
Apply
Report

Pure

collectpure.com
Pure is a Y Combinator-backed financial technology enterprise operating an order-book-style marketplace and valuation platform for physical precious metals and certified rare numismatic coins. The platform modernizes tangible asset trading by providing real-time bid/ask order execution, transparent pricing data, low transaction premiums (3–5% over spot price), fully insured vaulting, and direct integration with accredited assayers and mints.
collectpure.com • Los Angeles • Natural Resources • Commerce • Precious Metals • 11-50 employees
Los Angeles • Natural Resources • Commerce • Precious Metals • 11-50 employees
Top 25% payVerified live · 3 hours ago 4 days ago

Full-Stack Software Engineer

$145k – $250k per year • Middle • 3+ years expIn office (Los Angeles, United States) • Full-Time • Middle
Node JS
TypeScript
Databases
PostgreSQL
Frontend
Next.js
Apply
Report

Flick

flick.art
Direct short films with AI. Flick is an AI filmmaking studio for cinematic stories — consistent characters, coherent scenes, and end-to-end creative control.
flick.art • Sunnyvale • Artificial Intelligence • Generative Video • Film Production
Sunnyvale • Artificial Intelligence • Generative Video • Film Production
Top 25% payVerified live · 3 hours ago 4 days ago

Senior Full-stack Engineer

$100k – $200k per year • Equity 0.1–1% • Senior • 3+ years expSunnyvale • Remote (United States) • Full-Time • Senior
Python
TypeScript
DevOps
CI/CD
Apply
Report

Confident AI

confident-ai.com
Confident AI is the AI quality platform for enterprise teams to standardize AI evals and observability across the org — one consistent bar for how every team measures and monitors their AI.
confident-ai.com • San Francisco • Data & Analytics • Software • Artificial Intelligence
San Francisco • Data & Analytics • Software • Artificial Intelligence
Verified live · 3 hours ago 4 days ago

Founding Open Source Growth Engineer

$150k – $307k per year (Estimated) • Equity 0.5–2% • In office (San Francisco, United States) • Full-Time
Go
Python
TypeScript
AI/ML
DeepEval
LLM
DevOps
Platform Engineering
GitHub
Apply
$150k – $307k per year (Estimated)In office (San Francisco, United States) • Full-Time
Go
Python
TypeScript
AI/ML
DeepEval
LLM
DevOps
Platform Engineering
GitHub
Apply
Report

Nowadays

nowadays.ai
Nowadays acts as your in-house event planner, taking away the hassles of organizing while factoring in your company's unique tastes and needs. Save money with exclusive partnerships and automated negotiation.
nowadays.ai • San Francisco • Artificial Intelligence • Event Management • Events & Ticketing • 51-200 employees • Est. 2023
San Francisco • Artificial Intelligence • Event Management • Events & Ticketing • 51-200 employees • Est. 2023
Verified live · 9 min ago 4 days ago

Founding Software Engineer

$130k – $170k per year • Equity 0.5–2% • In office (San Francisco, United States) • Full-Time
Python
SQL
TypeScript
AI/ML
LLM
Frontend
Next.js
React.js
DevOps
Amazon S3
Apply
Report

Roame

roame.travel
The best use of your credit card points! Use Roame search to find the best airline redemptions & explore Skyview for top region-to-region deals!
roame.travel • Travel Technology • Loyalty Programs • Travel & Tourism • 11-50 employees
Travel Technology • Loyalty Programs • Travel & Tourism • 11-50 employees
Top 25% payVerified live · 9 min ago 4 days ago

Lead Full-Stack Engineer

$175k – $250k per year • Equity 0.5–2% • Lead • 3+ years exp • Remote (United States) • Full-Time • Staff
Go
Swift
TypeScript
Databases
PostgreSQL
Frontend
Next.js
React.js
Apply
Top 25% pay 28 days ago

Lead Full-Stack Engineer

$175k – $250k per year • Lead • 6+ years exp • Remote (United States) • Bachelor's Degree • Full-Time • Staff
Go
Swift
TypeScript
JavaScript
Databases
PostgreSQL
Frontend
Next.js
React.js
Apply
Report
Domu AI is the behavioral intelligence platform for high-stakes servicing and account resolution. Streamline the customer lifecycle with automated, compliant conversations powered by real-time behavioral data.
domu.ai • San Francisco • São Paulo • Financial Services • AI Agents • Artificial Intelligence • 51-200 employees
San Francisco • São Paulo • Financial Services • AI Agents • Artificial Intelligence • 51-200 employees
Top 25% payVerified live · 9 min ago 4 days ago

Senior Software Engineer

$150k – $210k per year • Equity • Senior • 3+ years expIn office (San Francisco, United States) • Full-Time • Senior
Python
TypeScript
Databases
Apache Kafka
ClickHouse
PostgreSQL
AI/ML
AI Agents
LiveKit
Mobile
Twilio
DevOps
AWS
Kubernetes
WebRTC
Git
Cybersecurity
ISO 27001
SOC 2
Apply
Verified live · 9 min ago 4 days ago

Software Engineer Brazil

$70k – $90k per year • Equity • Middle • 3+ years expIn office (San Francisco, United States) • Full-Time • Middle
Python
TypeScript
Databases
Apache Kafka
ClickHouse
PostgreSQL
AI/ML
AI Agents
LiveKit
Mobile
Twilio
DevOps
AWS
Kubernetes
WebRTC
Cybersecurity
ISO 27001
SOC 2
Apply
Report

Diode

diode.computer
Ship hardware, fast. Automate circuit board manufacturing, from design to delivery.
diode.computer • New York • Electronic Components • 11-50 employees
New York • Electronic Components • 11-50 employees
Top 25% payVerified live · 15 min ago 4 days ago

Senior Software Engineer

$140k – $240k per year • Equity 0.1–0.5% • Senior • 3+ years expIn office (New York, United States) • Relocation • Full-Time • Senior
Python
Rust
TypeScript
AI/ML
AI Agents
Apply
Report

Candle

trycandle.app
Built for modern relationships, Candle brings couples together through daily challenges, photo prompts, local date ideas, and more — all in just a few minutes each day.
trycandle.app • San Francisco • Lifestyle • Dating & Relationships • 11-50 employees
San Francisco • Lifestyle • Dating & Relationships • 11-50 employees
Top 25% payVerified live · 19 min ago 4 days ago

Software Engineering Intern (Summer 2026)

$78k – $108k per year • Intern • In office (San Francisco, United States) • Internship • Intern
TypeScript
Swift
AI/ML
Claude
Claude Code
Cursor
Gemini
Replicate
Anthropic
GPT-5
OpenAI
Mobile
Expo
React Native
SwiftUI
DevOps
AWS
Git
Rest API
Marketing
Amplitude
QA
Sentry
Apply
Report

Respan

respan.ai
We're building core infrastructure that engineers rely on to continuously trace, evaluate, and improve AI agents. Backed by Y Combinator.
respan.ai • Alameda • Information Technology • Artificial Intelligence • AI Agents • 51-200 employees • Est. 2024
Alameda • Information Technology • Artificial Intelligence • AI Agents • 51-200 employees • Est. 2024
Verified live · 2 hours ago 4 days ago

Software Engineer, Full-Stack

$109k – $199k per year (Estimated) • Middle • 3+ years expAlameda • Remote (United States, India) • Full-Time • Middle
Node JS
Python
TypeScript
Databases
ClickHouse
PostgreSQL
Frontend
Next.js
React.js
Apply
Verified live · 2 hours ago 4 days ago

Software Engineer, AI

$108k – $197k per year (Estimated) • Middle • 3+ years expAlameda • Remote (United States, India) • Full-Time • Middle
Python
TypeScript
AI/ML
Fine-tuning
LLM
Prompt Engineering
RAG
Apply
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Backend Developer Jobs in United States
Frequently asked questions
How many Backend Developer jobs in United States are available on Alion?
There are currently 7747 active listings from 1529 hiring companies on Alion, refreshed daily.
What salary do Backend Developer jobs in United States pay?
The average salary is around $232,395 per year based on the current listings.
Are remote options available for Backend Developer jobs in United States?
Yes, many of these roles offer remote or hybrid work, and you can filter listings by remote, relocation and visa sponsorship.
How do I apply for Backend Developer jobs in United States?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.