Senior Backend Engineer
$150k - $250kStackAI
Join to apply for the Founding Engineer - Backend role at StackAI Join to apply for the Founding Engineer - Backend role at StackAI This range is provided by StackAI. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range $150,000.00/yr - $250,000.00/yr About Stack AI Vision: Democratize access to Large Language Models, so that anyone can build AI-powered applications that generate positive impact to the world. Product: A user-friendly and intuitive No-Code platform integrating best AI models (OpenAI, Anthropic, Google, open source), most common data sources (OneDrive, Google Drive, Airtable, Notion) and SaaS (Zapier, HubSpot, etc.). We do the heavy-lifting for you, so you can focus on the product and business. Traction: Launched 16 months ago; over 85,000 users and 300+ paying customers (including public companies and unicorns!). Team: Founded by 2 MIT PhDs, backed by major investors such as Y Combinator and Google, we are now an 8-engineer team. Values: Default to action, radical transparency, boldness, and strong opinions loosely-held. Responsibilities We need 10X engineers to make this happen! True wizards who can deliver daily in a fast-paced environment. In this role, you will... Develop robust and scalable backend systems. Design and manage database infrastructure, ensuring high performance and responsiveness to requests from the front end. Integrate new AI models as they are released into our products, and maintain existing ones for optimal performance. Work closely with the founding team to align backend development with company goals and user needs. Stay ahead of the curve in backend technologies, advocating for best practices and innovative approaches. We're all about our users - listen to their needs, help them, build strong relationships! Expect to dive into customer support now and then as everyone else in the team. Required Skills And Qualifications You will be a great fit if you have... Strong proficiency in Python and experience with FastAPI or similar web frameworks. Solid understanding of database management, design, and optimization, with hands-on experience in SQL and NoSQL databases (or tools such as Supabase and SQL Alchemy). Practical experience with cloud services, particularly AWS, including EC2, S3, RDS, and Lambda. Familiarity with Docker, Kubernetes, and other containerization and orchestration tools. Proven track record of building and maintaining large-scale backend systems. Excellent problem-solving skills, attention to detail, and a strong understanding of software engineering principles. Effective communication skills and the ability to work collaboratively in a team environment. Preferred Qualifications You will be an exceptional fit if you also have... Knowledge of AI models, including understanding their integration and deployment in production environments. Experience with retrieval-augmented generation (RAG) pipelines Skills in embedding generation and handling large-scale data processing tasks. A passion for AI and technology, eager to work in a startup environment where agility and innovation are highly valued. Beyond these skills, what we value the most is your ability to remain curious and open to learning new skills. As an early-stage startup joiner, you may need to wear many hats. Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Engineering and Information Technology Industries Software Development Referrals increase your chances of interviewing at StackAI by 2x Get notified about new Back End Developer jobs in New York, NY . Backend Software Engineer, CloudKitchens - New York City New York, NY $150,000.00-$250,000.00 1 year ago New York, NY $176,000.00-$250,000.00 5 days ago Full Stack Software Engineer (All Levels) New York, NY $130,000.00-$180,000.00 1 year ago New York, NY $140,000.00-$200,000.00 1 week ago New York, NY $100,000.00-$200,000.00 6 months ago New York, NY $75,000.00-$150,003.00 10 months ago New York, NY $120,000.00-$160,000.00 3 weeks ago New York, NY $165,000.00-$165,000.00 1 year ago New York, NY $130,000.00-$165,000.00 1 month ago New York, NY $150,000.00-$180,000.00 2 days ago New York, NY $150,000.00-$180,000.00 3 days ago New York, NY $140,000.00-$170,000.00 2 months ago New York, NY $150,000.00-$200,000.00 2 months ago New York, NY $140,000.00-$180,000.00 1 month ago New York, NY $100,000.00-$180,000.00 1 day ago Software Engineer - Frontend / Fullstack New York, NY $140,000.00-$200,000.00 1 week ago New York, NY $100,000.00-$200,000.00 5 months ago New York, NY $211,298.00-$300,000.00 2 weeks ago New York, NY $115,000.00-$190,000.00 1 year ago New York, NY $170,000.00-$210,000.00 7 months ago New York, NY $140,000.00-$200,000.00 1 year ago New York, NY $140,000.00-$180,000.00 3 months ago New York, NY $114,000.00-$135,000.00 3 days ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr StackAI
$165 per hour
...DescriptionIf you say you have an idea and can covert that into a something beautiful, then you are the one we are looking for.As our Sr. Backend Engineer, you will be:You will develop efficient web services and APIsYou will participate in daily code deploys while working on...SeniorRoljobs Technology Services
New York, NY2 days ago- ...reliability — and grow the team that runs it. This is a high-impact engineering role with meaningful equity, real ownership, and direct... ...scales. What you'll do Set the architecture. Own how our backend fleet and data pipeline fit together, and where they go next....SeniorFull time
Lawfully
New York, NY1 day ago - ...opportunity to help build core infrastructure for the next generation of financial markets. About the Role As a Senior Rust Backend Engineer, you will work across the platform with a high-performing engineering team. You’ll design, architect, and build core and...SeniorFull time
Revenue3
New York, NY3 days ago $160k - $240k
...leading investors, the company is expanding rapidly and looking for engineers who thrive in a fast-paced, high-ownership environment where... ...product and business. About the Role Design and build backend services powering fintech and SaaS products for healthcare customers...SeniorFull timeWork at officeRemote workStrategic Employment Partners (SEP)
New York, NY21 hours ago$250k
...and we need your help adding fuel to the fire.About the RolePolymarket is launching perpetual futures and we're looking for Senior Backend Engineers to own the core systems that make it run. This is backend exchange engineering in the truest sense: low-latency order...SeniorPolymarket
New York, NY3 days ago$190k - $235k
...interviewing, a best-in-class ATS (applicant tracking system), and the most powerful job search experience in the world. As a senior backend engineer, you’ll be responsible for leading engineering efforts across both our job-seeker and company experiences. You’ll be...SeniorSarah Smith Fund
New York, NY2 days ago$10k
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New York, NY1 day ago$185k - $225k
...role:Salary range: $185k - $225k USD*We are looking for smart engineers who love to code, seek challenging problems, and appreciate recognition... ...full-stack, data, ML, and DevOps engineers to build scalable backend solutions as we continue to grow. We're a small team where...SeniorWork at officeRemote workKalepa
New York, NY5 days ago$10k
...the full receivables lifecycle: invoicing, collections, payments, cash application, and accounting sync.We're looking for a senior backend engineer to own core pieces of that system. The work sits where hard engineering problems meet real money: matching messy payment...SeniorFull timeWork at officeRemote workHome officeFlexible hoursRamp
New York, NY1 day ago$150 per hour
# Senior Backend Engineer (Booking Integrations, Contract)United States6 hours agoID 2977515Price on request## DetailsEmployment type: ContractRemote: YesCompany: AescapeLevel: Senior## DescriptionAescape is a New York-based physical AI and robotics company redefining human...SeniorHourly payFull timeContract workFor contractorsShift workBazeta
New York, NY3 days ago$173.48k - $213.96k
ABOUT THE ROLEWe are seeking a seasoned backend software engineer and hands-on technical lead to drive the expansion of Peloton’s e-commerce platform across web, retail, and emerging sales channels. In this role, you will architect and scale high-performance, resilient...SeniorLocal areaPeloton Cycle
New York, NY2 days ago- ...transform the future of healthcare . We are seeking mission-driven engineers, designers, and operators to join our team and help us build... ...medicine for the next century. About the Role As a Senior Backend Software Engineer on the team, you would be responsible for...SeniorLocal area
Rovrstack
New York, NY1 day ago - ...Senior Backend EngineerWe're seeking a Senior Backend Engineer with a passion for systems architecture, data modeling, and large-scale workflow orchestration. In this role, you'll architect and implement features end-to-end across our backend services and infrastructure...SeniorWork at office
Tennr
New York, NY1 day ago $100 per hour
...are here for a shot to prove ourselves. We’re a small team, growing fast with huge momentum - join early . As our Senior Backend Engineer , you’ll architect features and systems end-to-end at an incredible pace. This is an intense, hands‑on role with full ownership...SeniorImmediate startRelocationWeekend workDualEntry Business Corporation
New York, NY1 day ago$193.46k - $291k
...Collaborate closely with research, product, and blockchain engineering teams, working at the cutting edge of blockchain technology alongside... ...across the platform (15%). Establish and evangelize backend architectural standards, selection of tech stacks, and engineering...SeniorWork at officeLocal areaRemote workHome officecyber
New York, NY1 day ago$186k - $223k
...With millions of users across the globe, we've become the most trusted way to find a relationship, for all. About the Role Backend engineers design, build, operate, and maintain the various cloud services that power Hinge. You’ll solve complex technical challenges...SeniorWork experience placementTinder
New York, NY1 day ago$182.75k - $278.5k
...and help change mental healthcare for the better. The Work Backend At Headway Involves High-stakes Logic. You’re Building a... ...that give providers their time back. The Insurance Billing Engine: We apply AI pragmatically (blog) to reduce administrative burdens...SeniorFlexible hoursShift workHeadway
New York, NY1 day ago- ...Senior Backend Software EngineerDuration: one yearC2c Rate: $70 - 80/hrHybrid: Location: 2, Broadway, NY, NYPosition OverviewThe Senior Backend Software Engineer / Consultant is a hands-on engineer responsible for developing, integrating, testing, deploying, and supporting...SeniorAfternoon shift
Anveta
New York, NY1 day ago $180k - $250k
...Senior Backend Engineer, Managed Services New York, New York, United States; San Francisco, California, United States; Seattle, Washington, United States Who We Are Lightning AI is the company behind PyTorch Lightning. Founded in 2019, we build an end-to‑...SeniorFor contractorsWork at officeWork from homeFlexible hours2 days per weekLightning AI
New York, NY4 days ago- .... If banks and payment products were reinvented today, they would look like Fin. About the role We are looking for a Senior Backend Engineer to own the core systems that make this work. You will design and build the services that move real money, integrate with payment...SeniorWorldwide
SOLANA FOUNDATION
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WSS Associates
New York, NY2 days ago $163k - $246.5k
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New York, NY1 day ago- ...days in-office culture. Both founders are technical. Every engineer on the team has experience at early-stage startups. Several... ...to customers, make technical decisions, and ship. Role: Senior Backend Software Engineer We're a tiny engineering team building...SeniorFull timeWork at office
Alpaca Health
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Sunbound
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LogicGate
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- ...with a customer to post-release monitoringSet technical direction across projects, mentor engineers, and raise the bar on how the team buildWhat You'll Bring5+ years of backend engineering experienceA strong eye for performance, reliability, and robust systems designYou...SeniorFlexible hours
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New York, NY2 days ago - ...effodio Senior Backend Software Engineer (Tech Lead) Full-Time | Remote - United States About effodio Founded by industry veterans from Google, Arista, and other leading tech companies, effodio is revolutionizing cloud application and infrastructure analytics. Our advanced...SeniorFull timeRemote workVisa sponsorshipWork visa
Effodio, Inc.
New York, NY3 days ago $219k - $263k
...About the Role At Hinge, the recommendation engine is a central part of our product. Every interaction users have with each other... ...experience, with 4+ years in an engineering management role ~ Strong backend systems expertise – you've built or operated large‑scale...SeniorWork experience placementTinder
New York, NY1 day ago- ...optional) events are occasionally held in the Denver area. Our engineering team is currently a small team of full-time employees and... ...the Go language and ecosystem (with 4+ years of expertise in backend development) Analyzing and optimizing existing server-side Go...SeniorFull timeFor contractorsRemote work3 days per week
Journey
New York, NY21 hours ago
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