Best Startups Backend Engineer Jobs in New York, United States

Discover 21+ backend engineer jobs in New York. Browse high-growth startups hiring now in United States.

Explore 21+ backend-engineer jobs in new-york, united-states. Browse current openings at innovative startups and growing companies. Find your next career opportunity today.

21 Jobs Available

Senior Backend Software Engineer
San Francisco, United States

We are seeking a talented Backend Software Engineer to join our core engineering team. The ideal candidate is a product-minded builder who can own features end-to-end — from scalable backend APIs to b...

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PythonGoRustAPI DesignFastAPI
Backend Engineer
Portland, Oregon, United States
130,000 - 175,000 USD

<h2><strong>About GetWhys</strong></h2> <p>GetWhys is a VC-backed SaaS company building AI-powered customer research and messaging tools for product marketers. Our products help companies like Docker,...

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Backend DevelopmentData PipelinesAPIsData ModelingDatabase Management
Backend Engineer
New York, United States

About the CompanyRain makes the next generation of payments possible across the globe. We’re a lean and mighty team of passionate builders and veteran founders. Our infrastructure makes stablecoins us...

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NodeJSBackend TechnologiesSmart ContractsBlockchainInfrastructure Scaling
Backend Engineer, Financial Systems
New York, United States

About RampAt Ramp, we’re rethinking how modern finance teams function in the age of AI. We believe AI isn’t just the next big wave. It’s the new foundation for how business gets done. We’re investing ...

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Backend EngineeringPythonSQLSystem DesignData Modeling
Technical Engineer
New York, United States
On-site

The Role Build the technical infrastructure forthe future of industrial distribution. Work directly with the founders to create systems that handle billions in industrial transactions — data pipelines...

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AI/MLCloudFormationAWSNextJSVercel
Senior Software Engineer, Backend Generalist (Mech Team)
New York, United States
200,000 - 250,000 USD

About Standard BotsStandard Bot’s mission is to significantly lower the barrier to entry to real-world automation, bringing the power of bits to the world of atoms and unlocking productivity for entir...

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C++TypeScriptPythonROSROS2
Senior Backend Engineer, Data & Integrations
New York, United States

Senior Backend Engineer, Data & IntegrationsAbout DuetDuet empowers Nurse Practitioners (NPs) to tackle the primary care crisis by leading their own practices—closing gaps in access while keeping care...

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PythonGoogle Cloud PlatformAPI DesignData IntegrationHealthcare Data
Backend Engineer - Platform
New York, United States

Who We AreBaton Corporation is the development company that builds and operates the entire technology stack behind pump.fun, the largest memecoin launchpad in production today. The systems are low lat...

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Backend DevelopmentSystem ArchitecturePerformance OptimizationScalabilityCode Quality
Backend Software Engineer
New York, United States
68,000 - 114,000 USD

Job Description:About the RoleAs a Backend Software Engineer, you will design and build core backend services that power key marketing products and data capabilities. In this role, you will contribute...

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PythonUnix-Based SystemsRESTful APIsCloud PlatformsAWS
Backend Engineer
New York, United States

Who We AreBaton Corporation is the development company that builds and operates the entire technology stack behind pump.fun, the largest memecoin launchpad in production today. The systems are low lat...

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Backend EngineeringDistributed SystemsHigh Performance ComputingDatabase ManagementRust
Staff Backend Engineer
San Francisco, United States

At Commure, our mission is to simplify healthcare. We have bold ambitions to reimagine the healthcare experience, setting a new standard for how care is delivered and experienced across the industry. ...

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Backend ProgrammingPythonGoFastAPIFlask
Senior Backend Engineer, Enterprise Readiness & Identity
New York, United States
175,000 - 225,000 USD

About LangChain:At LangChain, our mission is to make intelligent agents ubiquitous. We help developers build mission-critical AI applications across the entire agent development lifecycle. Our open so...

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PythonGoAuthenticationAuthorizationBilling
Backend Software Engineer
New York, United States
170,000 - 250,000 USD

Compensation: $170k – $250k + meaningful equityCompany OverviewOnyx Odds is a social sports prediction platform poised to shake up the world of sports. Onyx has seen immense growth in user activity an...

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Backend DevelopmentNodeTypescriptReactReact Native
Senior Software Engineer, Platform
New York, United States
200,000 - 350,000 USD
On-site

The Role Build the agentic data lakehouse.Trustworthy answers from messy enterprise data. TextQL is an NYC-based startup serving Amazon, Ring, Scale AI, Lumeris, and the NBA. You'll build the data pla...

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GolanggRPCConnectRPCTrinoKubernetes
Senior Software Engineer, Distributed Data Systems
New York, United States
200,000 - 350,000 USD
On-site

About TextQL Drive the unit cost of a data-drivendecision down to zero. TextQL is an NYC-based startup building the agentic data lakehouse. Customers like Amazon, Ring, Scale AI, Lumeris, and the NBA ...

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Apache SparkHadoopDistributed systemsDatabasesOLAP lakehouse
Senior Backend Engineer
New York, United States

About ClarionAt Clarion, we’re rebuilding how healthcare communicates in the age of AI.Today, clinics miss 30–40% of patient calls, while staff are overwhelmed by administrative work. We believe AI ag...

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Backend SystemsAPIsRelational DatabasesAsync WorkflowsDistributed Systems
Backend Engineer (Kotlin) ID48362
New York, New York, United States

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application deve...

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KotlinGolangGoogle Cloud PlatformTerraformMicroservices
Staff Backend Engineer
New York, New York, United States

About CircuitCircuit is building the world’s first company-centric knowledge network. Our AI-powered platform turns fragmented information into actionable knowledge that can be securely shared across ...

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GoBackend SystemsScalabilityPerformance OptimizationMicroservices
Backend Engineer, AI
New York, United States

Backend Engineer, AIAbout the RoleA1 is building a proactive AI system that carries work forward across conversations, tools, and time.You will build the systems that power every AI interaction users ...

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Backend EngineeringProduction EnvironmentsHigh-Throughput ServicesLow-Latency ServicesAI Inference Patterns
Senior Backend Engineer | Activision Blizzard Media
San Francisco, United States
92,920 - 171,814 USD

<h2>Job Title:</h2>Senior Backend Engineer | Activision Blizzard Media<p style="text-align:inherit"></p><h2>Requisition ID:</h2>R026678<p style="text-align:inherit"></p><h2>Job Description:</h2><p><b>...

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JavaAdTechPerformance EngineeringMulti-threadingAsynchronous Processing
Backend Software Engineer
New York, United States
155,000 - 185,000 USD

Who we areFindigs is on a mission to make renting work for all of us: to support every path, and simplify the way forward. We’re making every aspect of renting fairer, stress-free, and more convenient...

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Backend DevelopmentFull Stack DevelopmentPythonRubyJava