Backend Developer jobs in New York hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $250,325/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.
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cassidyai.com • New York • Cybersecurity • Artificial Intelligence • AI Agents • 11-50 employees • Hiring 1, 1 new
New York • Cybersecurity • Artificial Intelligence • AI Agents • 11-50 employees • Hiring 1, 1 new
Cassidy is an AI Agent platform for document-heavy, operationally complex enterprises. Your team—not IT—builds and deploys Agents grounded in your actual rules, processes, and knowledge.
amazon.com • HQ: Seattle, United States • Robotics AI • Logistics & Warehouse Robotics • Video Production • Developer Tools • Advertising • Logistics • Streaming & OTT Platforms • Cloud Platforms (IaaS & PaaS) • Marketplaces • 1-10 employees • Est. 1994 • Trust B • Hiring 15569, 992 new
HQ: Seattle, United States • Robotics AI • Logistics & Warehouse Robotics • Video Production • Developer Tools • Advertising • Logistics • Streaming & OTT Platforms • Cloud Platforms (IaaS & PaaS) • Marketplaces • 1-10 employees • Est. 1994 • Trust B • Hiring 15569, 992 new
Amazon is an American technology and retail conglomerate founded by Jeff Bezos in 1994 as an online bookstore and headquartered in Seattle, Washington. It operates the world's largest online marketplace together with a global logistics network, physical grocery stores and a third-party seller platform that accounts for most units sold. Amazon Web Services, launched in 2006, is the leading public cloud provider and generates the majority of the group's operating profit, while advertising, Prime Video, Alexa devices and Kuiper satellite broadband round out the business.
$230k – $311k per year • Equity • Lead • In office (Seattle, Arlington, Santa Clara, New York, Herndon, United States) • Bachelor's Degree • Full-Time • Principal
$165k – $224k per year • Equity • Middle • 3+ years exp • In office (New York, Seattle, Santa Clara, Arlington, United States) • Bachelor's Degree • Full-Time • Middle
kkr.com • HQ: New York, United States • Life Insurance & Annuities • Real Estate Investment • Business & SME Lending • Asset Management & Funds • Private Equity • 501-1000 employees • Est. 1976 • Trust A • Hiring 126, 11 new
HQ: New York, United States • Life Insurance & Annuities • Real Estate Investment • Business & SME Lending • Asset Management & Funds • Private Equity • 501-1000 employees • Est. 1976 • Trust A • Hiring 126, 11 new
KKR is a global investment firm headquartered in New York that manages private equity, credit, infrastructure and real estate funds and offers capital markets and insurance solutions. Founded in 1976 by Henry Kravis, George Roberts and Jerome Kohlberg, it reported about $255 billion in private equity, $293 billion in credit, $119 billion in infrastructure and $84 billion in real estate assets as of mid-2026, and its insurance arm Global Atlantic provides retirement, life and reinsurance products. It hires analysts and associates in investment operations, finance, accounting, actuarial, compliance, risk, technology, security and marketing, with roles in New York, Dublin and Gurugram.
perplexity.ai • HQ: San Francisco, United States • Foundation Models • LLM & Generative AI • Search Engines • AI Search • 1001-5000 employees • Est. 2022 • Trust B • Hiring 126, 6 new
HQ: San Francisco, United States • Foundation Models • LLM & Generative AI • Search Engines • AI Search • 1001-5000 employees • Est. 2022 • Trust B • Hiring 126, 6 new
Perplexity AI is an American company that builds an answer engine combining live web search with large language models to return sourced, conversational responses instead of a list of links. Its products span a consumer assistant on web and mobile, the Comet browser, enterprise search over internal documents and the Sonar developer API that exposes the same grounded retrieval stack. Founded in 2022 in San Francisco by former researchers and engineers from OpenAI, Meta and Databricks, the company is backed by NVIDIA, IVP, New Enterprise Associates and SoftBank.
$220k – $405k per year • Staff+ • 4+ years exp • In office (San Francisco, Seattle, New York, United States, London, United Kingdom, Toronto, Canada) • Full-Time • Staff
robinhood.com • HQ: Menlo Park, United States • Crypto Exchanges • Investing Apps & Robo-Advisors • Online Brokerage & Trading Platforms • 1001-5000 employees • Est. 2013 • Trust B • Hiring 148, 14 new
HQ: Menlo Park, United States • Crypto Exchanges • Investing Apps & Robo-Advisors • Online Brokerage & Trading Platforms • 1001-5000 employees • Est. 2013 • Trust B • Hiring 148, 14 new
Robinhood is an American brokerage founded in 2013 that made commission-free trading and fractional shares the industry norm through a mobile-first app aimed at first-time investors. It earns most of its revenue from payment for order flow, net interest on customer cash and margin lending, and a paid subscription tier, and it has expanded from equities and options into cryptocurrency, retirement accounts, prediction markets and a credit card. Headquartered in Menlo Park and listed on Nasdaq, it drew sustained regulatory attention after the meme stock trading restrictions of 2021.
rokt.com • HQ: New York, United States • Customer Data Platforms (CDP) & Reverse ETL • Advertising • E-commerce Marketing • 201-500 employees • Est. 2012 • Startup • Hiring 13, 2 new
HQ: New York, United States • Customer Data Platforms (CDP) & Reverse ETL • Advertising • E-commerce Marketing • 201-500 employees • Est. 2012 • Startup • Hiring 13, 2 new
Rokt is an ecommerce technology company that shows relevant offers and advertising to customers at the moment of purchase on the checkout and confirmation pages of retailers, ticketing, travel and subscription businesses. Its machine learning platform decides which offer to show each customer, and the company also runs the mParticle customer data platform. Founded in Sydney in 2012, Rokt is headquartered in New York, New York, United States.
cursor.com • HQ: San Francisco, United States • AI Agents • AI Development Tools • Code Intelligence • 201-500 employees • Est. 2022 • Trust A • Hiring 123, 7 new
HQ: San Francisco, United States • AI Agents • AI Development Tools • Code Intelligence • 201-500 employees • Est. 2022 • Trust A • Hiring 123, 7 new
Anysphere builds Cursor, a code editor designed around AI assistance, where the model reads an entire repository and edits across files rather than completing single lines in isolation. Its agent mode plans and carries out multi-step changes, runs commands and reviews its own diffs, which made the editor one of the fastest-growing developer tools of the current AI wave and a standard part of many engineering workflows. The company describes itself as an applied research lab and trains its own models alongside the product.
≈ $122k – $248k per year (Estimated) • Junior • 2+ years exp • In office (San Francisco, New York, United States) • Bachelor's Degree • Full-Time • Junior
usbank.com • HQ: Minneapolis, United States • Cards & Card Issuing • Mortgage Lending & Brokers • Commercial & Retail Banks • 1001-5000 employees • Est. 1863 • Trust A • Hiring 2080, 242 new
HQ: Minneapolis, United States • Cards & Card Issuing • Mortgage Lending & Brokers • Commercial & Retail Banks • 1001-5000 employees • Est. 1863 • Trust A • Hiring 2080, 242 new
US Bank is the primary operating bank of US Bancorp, a Minneapolis, Minnesota based banking group offering consumer and business banking, credit cards, mortgages, wealth management, corporate trust, payments and treasury services. Tracing its roots to 1863, it is the largest bank in the Midwest and the seventh-largest in the country, runs a branch network across much of the western and central US, including in-store Walmart branches, and is designated a domestic systemically important bank. Open roles include relationship bankers, branch managers, mortgage loan originators, audit, data and payments specialists, and AI and software engineers.
$132k – $156k per year • Senior • 5+ years exp • In office (New York, Atlanta, Chicago, Denver, Charlotte, United States) • Bachelor's Degree • Full-Time • Senior
$139k – $164k per year • Lead • 6+ years exp • In office (Chicago, Cupertino, Charlotte, Irving, New York, United States) • Bachelor's Degree • Full-Time • Staff
salesforce.com • HQ: San Francisco, United States • AI Agents • Team Communication & Collaboration • Marketing Automation • Customer Support & Help Desk Software • BI & Dashboard Software • Marketing & Sales AI • CRM Software • 5000+ employees • Est. 1999 • Trust B • Hiring 1432, 171 new
HQ: San Francisco, United States • AI Agents • Team Communication & Collaboration • Marketing Automation • Customer Support & Help Desk Software • BI & Dashboard Software • Marketing & Sales AI • CRM Software • 5000+ employees • Est. 1999 • Trust B • Hiring 1432, 171 new
Salesforce is an American enterprise software company founded in 1999 that pioneered delivering business applications over the internet rather than as installed software. Its Customer 360 platform brings sales, service, marketing, commerce and analytics onto shared customer data, extended by the Slack collaboration suite, the Tableau analytics business and the MuleSoft integration layer. Headquartered in San Francisco, the company has moved its product strategy toward autonomous agents through Agentforce and the Data Cloud, and it remains the largest customer relationship management vendor in the world by revenue share.
≈ $190k – $350k per year (Estimated) • Senior • 5+ years exp • In office (San Francisco, Boston, New York, Washington, United States) • Bachelor's Degree • Full-Time • Senior
adonis.io • HQ: New York, United States • Medical AI • AI Agents • Revenue Cycle & Medical Billing • 51-200 employees • Est. 2022 • Startup • Trust B • Hiring 9, 1 new
HQ: New York, United States • Medical AI • AI Agents • Revenue Cycle & Medical Billing • 51-200 employees • Est. 2022 • Startup • Trust B • Hiring 9, 1 new
Adonis builds artificial intelligence agents for healthcare revenue cycle management, handling eligibility checks, claim status and denial follow-up. Founded in 2022 in New York, its system watches billing data for the patterns that predict a denial before it happens. Provider groups use it to cut administrative headcount per claim.
capgemini.com • HQ: Paris, France • Management Consulting • Engineering Services • Systems Integrators • IT Consulting & Digital Transformation • 5000+ employees • Est. 1967 • IT services • Trust B • Hiring 4506, 368 new
HQ: Paris, France • Management Consulting • Engineering Services • Systems Integrators • IT Consulting & Digital Transformation • 5000+ employees • Est. 1967 • IT services • Trust B • Hiring 4506, 368 new
Capgemini is a French information technology services and consulting group founded in Grenoble in 1967 by Serge Kampf, and one of the largest IT service providers in the world. It designs, builds and runs systems for large enterprises and governments across some fifty countries, with a delivery workforce concentrated in India and a European client base heavier than most of its competitors. The group is organised into Capgemini Invent for strategy and design, Capgemini Engineering for research and development services acquired with Altran, and Sogeti for local technology services, and it has reoriented its portfolio around cloud migration, data platforms and generative AI.
mongodb.com • HQ: New York, United States • Vector Search & RAG • Databases & DBMS • 1001-5000 employees • Est. 2007 • NASDAQ: MDB • Trust B • Hiring 372, 18 new
HQ: New York, United States • Vector Search & RAG • Databases & DBMS • 1001-5000 employees • Est. 2007 • NASDAQ: MDB • Trust B • Hiring 372, 18 new
MongoDB is an American database company founded in 2007 that built a document-oriented database storing records as flexible JSON-like structures rather than fixed relational tables. Its main commercial product is Atlas, a managed service running the database across the major public clouds with search, vector search, streaming and analytics layered on top, which now supplies the majority of company revenue. Headquartered in New York and listed on Nasdaq, it acquired the embedding model company Voyage AI in 2025 to strengthen its position in retrieval for artificial intelligence applications, and its database remains among the most widely used outside the relational world.
snapchat.com • HQ: Los Angeles, United States • Messaging Apps • Social Networks • 1001-5000 employees • Est. 2012 • Hiring 155, 11 new
HQ: Los Angeles, United States • Messaging Apps • Social Networks • 1001-5000 employees • Est. 2012 • Hiring 155, 11 new
Snapchat is a visual messaging app operated by Snap Inc, a technology company built around the camera. Users chat, send Snaps, view Stories and try Lenses on mobile or desktop, and Snap also runs the subsidiary Specs Inc and hires software engineers for creator backend systems in New York. The company is headquartered in Venice, Los Angeles, California, United States.
$209k – $313k per year • Equity • Senior • 6+ years exp • In office (Santa Monica, San Francisco, Palo Alto, New York, Bellevue, United States) • Bachelor's Degree • Full-Time • Senior
$157k – $235k per year • Equity • Junior • 2+ years exp • In office (Santa Monica, San Francisco, Palo Alto, New York, Bellevue, United States) • Bachelor's Degree • Full-Time • Junior
$229k – $343k per year • Equity • Staff+ • 9+ years exp • In office (Bellevue, Palo Alto, Los Angeles, New York, United States) • Bachelor's Degree • Full-Time • Staff
baseten.co • HQ: San Francisco, United States • MLOps • AI Compute & Inference • 1001-5000 employees • Est. 2019 • Trust B • Hiring 104, 6 new
HQ: San Francisco, United States • MLOps • AI Compute & Inference • 1001-5000 employees • Est. 2019 • Trust B • Hiring 104, 6 new
Baseten is an American company founded in 2019 that runs machine learning models in production for companies that would rather not operate GPU infrastructure themselves. Its position is inference rather than training: it handles model packaging, autoscaling, cold start latency and multi-cloud capacity, which are the unglamorous problems that determine whether a model-powered product is fast and affordable enough to ship. Headquartered in San Francisco and backed at a multi-billion dollar valuation, it serves companies deploying open and custom models, and it competes with both the hyperscalers and the model providers' own hosted endpoints.
$165k – $330k per year • Middle • 4+ years exp • Hybrid (San Francisco, New York, Seattle, United States, Toronto, Montreal, Canada) • Full-Time • Middle
radar.com • HQ: New York, United States • Fraud Detection • Developer Tools • Navigation & Mapping • 51-200 employees • Est. 2016 • Trust C • Hiring 19, 3 new
HQ: New York, United States • Fraud Detection • Developer Tools • Navigation & Mapping • 51-200 employees • Est. 2016 • Trust C • Hiring 19, 3 new
Radar is a location infrastructure company that provides geofencing, location tracking, geocoding, address verification and maps APIs and SDKs to developers. Product, logistics, retail and fraud teams use its platform to trigger location-based experiences, verify where users are and comply with regional rules in their apps. The company is headquartered in New York, New York, United States.
openai.com • HQ: San Francisco, United States • Artificial Intelligence • Code Intelligence • Generative Video • Conversational AI • AI Research Labs • Foundation Models • LLM & Generative AI • 5000+ employees • Est. 2015 • Trust B • Hiring 776, 52 new
HQ: San Francisco, United States • Artificial Intelligence • Code Intelligence • Generative Video • Conversational AI • AI Research Labs • Foundation Models • LLM & Generative AI • 5000+ employees • Est. 2015 • Trust B • Hiring 776, 52 new
OpenAI is an American artificial intelligence research and deployment company founded in 2015 with the mission of ensuring that artificial general intelligence benefits all of humanity. It develops the GPT family of large language models and turns them into consumer and developer products, including the ChatGPT assistant, the Sora video model, the Codex coding agent and a commercial API used by millions of developers. Structured as a public benefit corporation controlled by a non-profit foundation, the company is backed by Microsoft and SoftBank and operates from San Francisco.
authenticinsurance.com • HQ: Chicago, United States • InsurTech • 51-200 employees • Est. 2018 • Startup • Trust C • Hiring 12, 2 new
HQ: Chicago, United States • InsurTech • 51-200 employees • Est. 2018 • Startup • Trust C • Hiring 12, 2 new
Authentic builds the infrastructure powering specialty insurance programs. The new infrastructure for program insurance—built for speed, built to last.
