Backend Developer Jobs in San Francisco

Backend Developer jobs in San Francisco hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $283,127/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

San Francisco
AI/ML
Data Science
Backend
Frontend
Mobile
DevOps
Web3
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Hardware
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Security
QA
Executive
Networking
Product
Design
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Quantum

Writer

writer.com
Writer is an enterprise generative artificial intelligence company headquartered in San Francisco, California, and founded in 2020. The company provides a full-stack platform that includes proprietary large language models, an integrated graph-based retrieval-augmented generation system, and tools for building autonomous AI agents. It serves Fortune 500 companies across sectors such as financial services, healthcare, and retail, focusing on delivering secure and compliant AI applications for marketing, sales, and operations.
writer.com • HQ: San Francisco, United States • Business Process Automation (BPA) • Software • Marketing Automation • Sales & Marketing • LLM & Generative AI • AI Agents • Artificial Intelligence • Est. 2020
HQ: San Francisco, United States • Business Process Automation (BPA) • Software • Marketing Automation • Sales & Marketing • LLM & Generative AI • AI Agents • Artificial Intelligence • Est. 2020
Top 25% payVerified live · 11 hours ago 3 months ago

Software engineer, connectors & MCP

$155k – $304k per year • Equity • Senior • 5+ years expRemote/Hybrid (San Francisco, New York, Seattle, United States) • Full-Time • Senior
Node JS
Python
TypeScript
JavaScript
Databases
PostgreSQL
AI/ML
AI Agents
Model Context Protocol
DevOps
AWS
Azure
CI/CD
Docker
GCP
Kubernetes
Cybersecurity
Least Privilege
Apply
Top 25% payVerified live · 11 hours ago 4 months ago

Software engineer, agents

$112k – $218k per year • Equity • Middle • 3+ years expRemote/Hybrid (New York, San Francisco, Seattle, United States) • Full-Time • Middle
Python
TypeScript
JavaScript
AI/ML
AI Agents
Claude
Claude Code
Cursor
Frontend
React.js
DevOps
AWS
Azure
CI/CD
Docker
GCP
Kubernetes
Vector
Apply
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Spreetail

spreetail.com
Spreetail is a leading e-commerce company that specializes in selling products online. The company has a wide range of products, including home goods, electronics, and toys. Spreetail is committed to providing a great customer experience and offering competitive prices.
spreetail.com • Tacoma • Manila • London • Lincoln • Karachi • Transportation & Logistics • Logistics • Commerce • 51-200 employees • Est. 2006
Tacoma • Manila • London • Lincoln • Karachi • Transportation & Logistics • Logistics • Commerce • 51-200 employees • Est. 2006
Verified live · 1 hour ago 3 months ago

Software Engineer III (FC Ops)

$104k – $190k per year (Estimated) • Middle • 5+ years exp • Remote (United States, Georgia) • Full-Time • Middle
C#
Python
SQL
C#
.NET
Databases
PostgreSQL
AI/ML
Claude
Claude Code
Dagster
dbt
DevOps
Amazon EKS
AWS
CI/CD
Kubernetes
Amazon EventBridge
Amazon S3
GitLab
Apply
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The Village Crier

villagesql.com
VillageSQL is the innovation platform for MySQL and is a drop-in replacement for MySQL with extensions for the agentic AI era.
villagesql.com • New York • Artificial Intelligence • AI Agents • Database Management
New York • Artificial Intelligence • AI Agents • Database Management
Top 25% payVerified live · 2 days ago 3 months ago

Software Engineer - Database Internals (Remote)

$118k – $250k per year • Middle • 3+ years exp • Remote (United States) • Bachelor's Degree • Full-Time • Middle
C++
Python
Rust
Databases
MySQL
DevOps
AWS
Azure
GCP
Git
Apply
Top 25% payVerified live · 2 days ago 3 months ago

Software Engineer - VillageSQL Cloud (Remote)

$118k – $250k per year • Middle • 3+ years exp • Remote (United States) • Bachelor's Degree • Full-Time • Middle
C++
Rust
Databases
MySQL
AI/ML
AI Agents
DevOps
Git
Kubernetes
AWS
Azure
GCP
Apply
Report

Astra

astra.com
Astra was founded in October 2016 with the mission of launching a new generation of space services to improve life on Earth.
astra.com • New York • Space Defense • Space & Aerospace • Launch Services • Est. 2016
New York • Space Defense • Space & Aerospace • Launch Services • Est. 2016
Top 25% payVerified live · 1 day ago 3 months ago

Senior Fullstack Engineer

$190k – $230k per year • Senior • 5+ years exp • Remote (United States) • Bachelor's Degree • Full-Time • Senior
Python
TypeScript
JavaScript
SQL
Frontend
React.js
Mobile
Clean Architecture
DevOps
CI/CD
GCP
Git
Rest API
Apply
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Pushpay

pushpay.com
Pushpay is a financial technology and software company headquartered in Redmond, Washington, and founded in 2011. The company provides a comprehensive donor management system, digital giving platform, and church management software designed specifically for faith-based organizations and non-profits. It serves thousands of churches and parishes across North America and Oceania, offering integrated tools for engagement, administration, and live streaming through its ChurchStaq and ParishStaq platforms.
pushpay.com • HQ: Redmond, United States • Media & Entertainment • Event Management • Events & Ticketing • Customer Relationship Management (CRM) • Software • Payments • FinTech • Financial Services • Est. 2011
HQ: Redmond, United States • Media & Entertainment • Event Management • Events & Ticketing • Customer Relationship Management (CRM) • Software • Payments • FinTech • Financial Services • Est. 2011
Verified live · 1 day ago 3 months ago

Software Development Engineer 3, Nurture

$104k – $115k per year • Middle • Remote (United States) • Middle
JavaScript
PHP
TypeScript
Databases
PostgreSQL
Frontend
React.js
Svelte
SvelteKit
Mobile
Twilio
DevOps
Amazon EC2
AWS
Amazon S3
Marketing
Mailchimp
Salesforce
Apply
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Backbone

backbone.ai
backbone.ai • San Francisco
San Francisco
Verified live · 1 day ago 3 months ago

Founding Engineer, Applied Research

$165k – $297k per year (Estimated) • Senior • 5+ years expIn office (San Francisco, United States) • Bachelor's Degree • Full-Time • Senior
Fine-tuning
NLP
Reinforcement Learning
AI Agents
Apply
Verified live · 1 day ago 3 months ago

Founding Engineer, Forward Deployed

$114k – $226k per year (Estimated) • Junior • 1+ year expIn office (San Francisco, United States) • Bachelor's Degree • Full-Time • Junior
Apply
Verified live · 1 day ago 3 months ago

Founding Engineer, Backend & Infra

$133k – $266k per year (Estimated) • Middle • 3+ years expIn office (San Francisco, United States) • Bachelor's Degree • Full-Time • Middle
LLM
Human-in-the-Loop
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Murmuration

murmuration.org
Murmuration is an organization that amplifies the power of civic engagement with data, tools, and research specifically designed for community-focused organizations. It believes that these organizations can drive significant change and create healthier, more equitable communities through collective action. Murmuration provides high-quality tech and data that enables these organizations to connect with and mobilize individuals effectively, ensuring that the voices of all community members are heard.
Verified live · 1 day ago 3 months ago

Senior/Staff Software Engineer

$176k – $293k per year (Estimated) • Staff+ • 10+ years exp • Remote (United States) • Full-Time • Staff
JavaScript
SQL
Databases
ClickHouse
Google BigQuery
PostgreSQL
Redis
Snowflake
AI/ML
Airflow
Dagster
dbt
Embeddings
LLM
NLP
Time Series Forecasting
OpenAI
DevOps
AWS
Datadog
Docker
Grafana
New Relic
Prometheus
Apply
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Injective

injective.com
Injective is a financial blockchain infrastructure developer headquartered in New York City, United States, and founded in 2018. The company develops a layer 1 blockchain protocol optimized for decentralized finance applications, including perpetual swaps, spot trading, and asset tokenization. It operates as an open-source ecosystem serving institutional clients, developers, and global financial markets through its interoperable network and plug-and-play modules.
injective.com • HQ: New York, United States • Financial AI • Artificial Intelligence • Capital Markets • Financial Services • Asset Tokenization • DeFi • Blockchain & Crypto • Blockchain Infrastructure • Est. 2018
HQ: New York, United States • Financial AI • Artificial Intelligence • Capital Markets • Financial Services • Asset Tokenization • DeFi • Blockchain & Crypto • Blockchain Infrastructure • Est. 2018
Verified live · 1 day ago 3 months ago

Protocol Engineer (Injective Labs)

$71k – $201k per year (Estimated) • Middle • 3+ years exp • Remote (United States) • Full-Time • Middle
Go
Rust
Solidity
Web3
Cosmos
CosmWasm
DeFi
Ethereum
Injective
Layer 2
Smart Contracts
Solana
Tendermint
Apply
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Suno

suno.com
Suno is a generative artificial intelligence technology platform specializing in AI-driven music creation. Founded in 2022 by a team of machine learning experts and audio engineers in Cambridge, Massachusetts, the platform allows users to generate complete, high-quality songs - including vocals, instrumentation, and custom lyrics - from simple text prompts.
suno.com • HQ: Cambridge, United States • Artificial Intelligence • Music Industry • Speech & Audio AI • 201-500 employees
HQ: Cambridge, United States • Artificial Intelligence • Music Industry • Speech & Audio AI • 201-500 employees
Top 25% payVerified live · 23 min ago 3 months ago

Software Engineer, Trust & Safety

$229k – $364k per year • Equity • Senior • 5+ years expIn office (San Francisco, United States) • Full-Time • Senior
Python
SQL
Databases
Snowflake
AI/ML
Dagster
Anomaly Detection
Analytics
A/B Testing
Apply
Top 25% payVerified live · 23 min ago 5 months ago

Software Engineer, Fullstack, Pro-Create

$189k – $248k per year • Equity • Middle • 4+ years expIn office (San Francisco, United States) • Full-Time • Middle
Python
TypeScript
Apply
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Infinity Constellation

infinity.com
Infinity Constellation is a venture studio and holding company headquartered in Melbourne, Australia. The group builds and operates a portfolio of software ventures under its own brands, including applied AI products, rather than investing passively in outside companies. It staffs each venture with dedicated engineering, design, and product teams while sharing finance, infrastructure, and hiring functions across the constellation.
infinity.com • HQ: Melbourne, Australia • LLM & Generative AI • Software • Venture Capital • Financial Services • AI Agents • Artificial Intelligence
HQ: Melbourne, Australia • LLM & Generative AI • Software • Venture Capital • Financial Services • AI Agents • Artificial Intelligence
Verified live · 11 hours ago 3 months ago

Senior Full Stack Engineer - Radiance

$140k – $232k per year (Estimated) • Senior • 12+ years exp • Remote (United States) • Full-Time • Senior
Node JS
Python
JavaScript
Python
FastAPI
Databases
Pinecone
PostgreSQL
Supabase
Weaviate
AI/ML
LLM
Prompt Engineering
LLM Guardrails
Structured Outputs
Frontend
GraphQL
Next.js
React.js
Design
Webflow
Management
Jira
n8n
Zapier
Apply
Open 138 daysVerified live · 11 hours ago 5 months ago

Staff Software Engineer - Supernal

$169k – $282k per year (Estimated) • Staff+ • 10+ years exp • Remote (United States) • Full-Time • Staff
Python
Python
Celery
Django
Databases
pgvector
PostgreSQL
RabbitMQ
Redis
AI/ML
LLM
RAG
AI Agents
DevOps
CI/CD
Cortex
Datadog
GCP
Google GKE
Helm
KEDA
Kubernetes
OpenTelemetry
OpenTofu
Terraform
Prometheus
Apply
Report

Openrouter

openrouter.com
The unified interface for LLMs. Find the best models & prices for your prompts
openrouter.com • HQ: San Francisco, United States • Information Technology • Artificial Intelligence • LLM & Generative AI
HQ: San Francisco, United States • Information Technology • Artificial Intelligence • LLM & Generative AI
Open 91 dayTop 25% pay 3 months ago

Forward Deployed Engineer

$220k – $260k per year • Middle • 4+ years exp • Remote (United States) • Full-Time • Middle
Python
TypeScript
AI/ML
LLM
OpenRouter
Prompt Engineering
AI Agents
OpenAI
DevOps
Rest API
Apply
Open 130 daysTop 25% pay 5 months ago

Software Engineer, Product

$215k – $285k per year • Middle • 4+ years exp • Remote (United States) • Full-Time • Middle
TypeScript
JavaScript
AI/ML
OpenRouter
Frontend
Next.js
React.js
Apply
Open 130 daysTop 25% pay 5 months ago

Software Engineer, Platform

$215k – $285k per year • Senior • 5+ years exp • Remote (United States) • Full-Time • Senior
TypeScript
Databases
ClickHouse
Google Cloud Spanner
PostgreSQL
AI/ML
LLM
OpenRouter
DevOps
AWS
Azure
CI/CD
Cloudflare
GCP
Vercel
Apply
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Barn2Door

barn2door.com
Barn2Door powers local Farms online — your brand, your products, your customers.
barn2door.com • Nashville • Farming & Agriculture • E-commerce Platforms • AgTech • 11-50 employees
Nashville • Farming & Agriculture • E-commerce Platforms • AgTech • 11-50 employees
Open 91 dayVerified live · 1 day ago 3 months ago

Sr Software Engineer

$139k – $231k per year (Estimated) • Equity • Senior • 6+ years expNashville • Remote (United States) • Bachelor's Degree • Full-Time • Senior
JavaScript
Node JS
Databases
PostgreSQL
Redis
AI/ML
Claude
Claude Code
Copilot
RAG
Model Context Protocol
Frontend
React.js
Vue.js
DevOps
GitHub
AWS
Terraform
Apply
Report

Attio

attio.com
Attio is a software company headquartered in London, United Kingdom, that was founded in 2019. The company provides an AI-native customer relationship management platform that enables revenue teams to build pipelines, automate sales workflows, and manage deal history through data enrichment and universal context layers. It operates globally as a software-as-a-service provider, catering to startups and enterprise clients looking to replace traditional spreadsheets with automated revenue management systems.
attio.com • HQ: London, United Kingdom • Business Process Automation (BPA) • Sales Enablement • AI Agents • Artificial Intelligence • Customer Relationship Management (CRM) • Software • Sales & Marketing • Est. 2019
HQ: London, United Kingdom • Business Process Automation (BPA) • Sales Enablement • AI Agents • Artificial Intelligence • Customer Relationship Management (CRM) • Software • Sales & Marketing • Est. 2019
Open 94 daysTop 25% pay 4 months ago

Forward Deployed Engineer

$130k – $170k per year • Junior • 2+ years expRemote/Hybrid (San Francisco, United States) • Full-Time • Junior
JavaScript
AI/ML
Claude
Claude Code
Cursor
AI Agents
Analytics
ETL/ELT
Management
n8n
Zapier
Apply
Report

ploscompbiol

plos.org
Discover how we are transforming scholarly publishing with a mission-driven commitment to open science, research integrity, and innovation that benefits researchers, institutions, and society worldwide.
plos.org • Media & Entertainment • Publishing
Media & Entertainment • Publishing
Open 94 daysVerified live · 1 day ago 4 months ago

Senior Software Engineer - FTC

$130k – $142k per year • Senior • Remote (United States, United Kingdom) • Bachelor's Degree • Internship • Senior
Python
JavaScript
Databases
Google BigQuery
Frontend
React.js
DevOps
CI/CD
GCP
Kubernetes
Apply
Report

Joko

hellojoko.com
Joko is a consumer shopping application company headquartered in Paris, France, and founded in 2018. The company operates a mobile app and browser extension that gives shoppers automatic cashback, discount codes, and price tracking when they buy from partner retailers. It earns affiliate commission on the purchases it drives, has expanded from France into the United States, and is backed by European venture investors.
hellojoko.com • HQ: Paris, France • E-commerce Marketing • Sales & Marketing • Software • Personal Finance • Financial Services • Mobile App Development • Commerce • Coupons, Deals & Cashbacks • 51-200 employees • Est. 2018
HQ: Paris, France • E-commerce Marketing • Sales & Marketing • Software • Personal Finance • Financial Services • Mobile App Development • Commerce • Coupons, Deals & Cashbacks • 51-200 employees • Est. 2018
Verified live · 1 hour ago 4 months ago

Software Engineer (senior/staff level)

$88k – $202k per year • Staff+ • 5+ years expParisBarcelona • Remote (United States, France, Italy, Spain) • Full-Time • Staff
Apply
Verified live · 1 hour ago 6 months ago

Growth Software Engineer

$71k – $112k per year • Middle • 3+ years expParisBarcelona • Remote (United States, France, Italy, Spain) • Full-Time • Middle
Apply
Verified live · 1 hour ago 6 months ago

Platform Software Engineer (senior/staff level)

$88k – $202k per year • Staff+ • 5+ years expParisBarcelona • Remote (United States, France, Italy, Spain) • Full-Time • Staff • English: C1
AWS
CI/CD
IAM
Cybersecurity
Least Privilege
Apply
Report

Patronus

patronus.ai
Patronus AI develops simulation research and infrastructure to accelerate progress toward human-aligned AGI.
patronus.ai • San Francisco • Data Science • LLM & Generative AI • Artificial Intelligence
San Francisco • Data Science • LLM & Generative AI • Artificial Intelligence
Open 94 daysTop 25% pay 4 months ago

Member of Technical Staff - Senior Software Engineer

$150k – $300k per year • Equity • Staff+ • 4+ years expIn office (San Francisco, United States) • Bachelor's Degree • Staff
Go
Python
TypeScript
JavaScript
Python
FastAPI
Databases
PostgreSQL
AI/ML
AI Agents
Claude
Claude Code
Cursor
Function Calling
OpenAI Codex
Post-training
Reinforcement Learning
Frontend
Next.js
React.js
DevOps
Kubernetes
Platform Engineering
QA
Playwright
Selenium
Apply
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Convex

convex.com
Headquartered in San Francisco, California, Convex is a sales intelligence software company designed specifically for commercial service businesses. The company provides a data-driven platform that combines property-level records, decision-maker contacts, and actionable insights to help sales teams identify and acquire new clients. By streamlining prospecting and territory management, it enables revenue teams across industries like facility services and building maintenance to accelerate their growth.
convex.com • HQ: San Francisco, United States • Professional Services • Commerce • Software
HQ: San Francisco, United States • Professional Services • Commerce • Software
Open 95 days 4 months ago

Software Engineer, AI

$148k – $303k per year (Estimated)In office (San Francisco, United States) • Full-Time
TypeScript
AI/ML
AI Agents
Apply
Open 95 days 4 months ago

Senior Software Engineer, Infra/Systems

$172k – $310k per year (Estimated) • Senior • 6+ years expIn office (San Francisco, United States) • Full-Time • Senior
Rust
Apply
Open 256 days 9 months ago

Software Engineer, Product

$144k – $293k per year (Estimated)In office (San Francisco, United States) • Full-Time
Apply
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Reducto

reducto.com
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reducto.com • San Francisco • New York • Document Management • Data & Analytics • Artificial Intelligence
San Francisco • New York • Document Management • Data & Analytics • Artificial Intelligence
Open 95 daysTop 25% pay 4 months ago

Forward Deployed Engineer, Infrastructure Specialist

$200k – $300k per year • Senior • 5+ years expIn office (San Francisco, United States) • Full-Time • Senior
Python
AI/ML
AI Agents
OCR
DevOps
Kubernetes
IAM
Helm
Apply
Open 246 daysTop 25% pay 9 months ago

Lead Software Engineer, Platform

$200k – $325k per year • Lead • 5+ years expIn office (San Francisco, United States) • Full-Time • Staff
Python
Databases
PostgreSQL
AI/ML
Claude
Claude Code
Cursor
LLM
AI Agents
OpenAI Codex
DevOps
Kubernetes
Terraform
Apply
Open 279 daysTop 25% pay 10 months ago

Forward Deployed Engineer

$200k – $300k per year • Middle • 3+ years expIn office (San Francisco, United States) • Full-Time • Middle
Python
AI/ML
Streamlit
AI Agents
LLM Evaluation
OCR
Apply
Report

Rox

rox.com
Rox builds artificial intelligence agent swarms that work alongside enterprise sales representatives on research and account planning. Founded in 2024 in San Francisco by former Databricks and Google engineers, it organises agents around accounts rather than around inboxes. The product sits on top of existing customer relationship management systems.
rox.com • HQ: San Francisco, United States • Human Resources • Autonomous Driving • Artificial Intelligence • 201-500 employees • Est. 2024
HQ: San Francisco, United States • Human Resources • Autonomous Driving • Artificial Intelligence • 201-500 employees • Est. 2024
Open 95 days 4 months ago

Founding Applied Research Engineer

$143k – $293k per year (Estimated)In office (San Francisco, United States) • Relocation • PhD • Full-Time
Cursor
Hallucination
Knowledge Graph
OpenAI
Post-training
RAG
Apply
Open 339 days 12 months ago

Forward Deployed Engineer (FDE)

$115k – $228k per year (Estimated) • Junior • 1+ year expIn office (San Francisco, United States) • Relocation • Full-Time • Junior
SQL
AI/ML
AI Agents
DevOps
AWS
New Relic
Apply
Report

Dispel

dispel.io
Dispel is the world's leading provider of Moving Target Defense networks; designed, built, and maintained in the United States. Founded in 2015, the cybersecurity company has offices in Austin, New York, Virginia, and Tokyo. The company's mission ...
dispel.io • IoT Security • Cybersecurity • Network Security • Est. 2015
IoT Security • Cybersecurity • Network Security • Est. 2015
Open 96 daysVerified live · 2 days ago 4 months ago

Senior Backend Engineer

$150k – $169k per year • Senior • 6+ years exp • Remote (United States) • Full-Time • Senior
Go
Python
TypeScript
AI/ML
Claude
Claude Code
Copilot
DevOps
AWS
Azure
GitHub
Apply
Report
Backend Developer Jobs in San Francisco
Frequently asked questions
How many Backend Developer jobs in San Francisco are available on Alion?
There are currently 1631 active listings from 419 hiring companies on Alion, refreshed daily.
What salary do Backend Developer jobs in San Francisco pay?
The average salary is around $283,127 per year based on the current listings.
Are remote options available for Backend Developer jobs in San Francisco?
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 San Francisco?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.