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166 staff backend engineer jobs at 104 companies in New York

5d
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Staff Backend Engineer
New York City or Montreal
$230k-$280k/yr HybridFull Time
Tetrix
Tetrix: AI investment intelligence platform for institutional investors in private markets.
10+ YOERequires 10+ years of backend engineering experience using Python, strong technical leadership, complex system architecture, engineer mentoring, and best-practice development in fast-paced environments.
Python
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1mo
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Staff Backend Engineer
New York City or San Francisco
$250k-$300k/yr OnsiteFull Time
Town
Town: Town is a privately held applied-AI software building assistants that help people create and use software at work.
Experienced backend engineer with production experience scaling distributed systems, LLM/agent infrastructure, workflow orchestration, and defining technical direction in fast-moving startups.
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2d
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Staff Backend Engineer
New York City, New York, United States
$350k-$500k/yr OnsiteFull Time
FOMO Labs
FOMO Labs: Private fintech operating a social-first crypto trading app for consumers on web and mobile.
6+ YOEStaff-level engineer with 6+ years of experience, autonomous execution skills, and crypto development experience; Solana or EVM experience preferred. React experience and personal crypto trading are pluses.
TypeScript, Go, Rust, Solana, EVM, React
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2mo
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Backend Engineer (Senior/Staff)
New York City, New York, United States
$175k-$225k/yr RemoteFull Time
Taxwire
Taxwire: Private sales-tax and VAT compliance platform and managed service for finance teams.
5+ YOE5–10+ years backend engineering experience; strong backend systems, data modeling, and compliance logic; proficiency with Python (FastAPI, Pydantic, pandas, duckdb), Postgres/SQL, and AWS; strong communication and ownership.
Python, FastAPI, Pydantic, pandas, duckdb, Postgres, SQL, AWS, LLMs, Playwright
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2mo
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Staff Backend Engineer
New York or United States
RemoteFull Time
Astra
Astra: Fintech payments infrastructure providing APIs and automation for businesses to move money instantly across payment rails.
8+ YOE8+ years software engineering, 3+ years technical leadership, strong systems engineering and CS fundamentals, experience with distributed systems, Python (Python 3), SQL/NoSQL, and Google Cloud Platform. Bachelor's required; Master's preferred.
Python, Python 3, NoSQL, SQL, Google Cloud Platform
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3mo
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Senior/Staff Backend Engineer
New York or San Francisco
$170k-$220k/yr HybridFull Time
Casap
Casap: Agentic AI dispute-management platform that automates disputes and reduces fraud for banks, credit unions, and fintechs.
6+ YOE6+ years in software development; at least 2 years with Go or Java in production; platform team/API/background services; end-to-end feature ownership; strong problem-solving and data structures knowledge; mentoring and technical leadership; strong communication.
Go, Java, CI/CD, microservices, backend development
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Staff Software Engineer, Backend
New York City or Canada
$241k-$284k/yr HybridFull Time
Genius AI
Genius AI: Genius AI is a private software providing booking, payments, and administrative tools to local service businesses.
7+ YOE7+ years engineering experience, system design ownership, strong Kotlin backend skills, AWS and Kubernetes familiarity, experience integrating AI models/LLMs, mentoring and technical leadership.
Kotlin, TypeScript, AWS, Kubernetes, Claude Code, GitHub Copilot, LLMs
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3mo
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Staff Backend Engineer - Core Product (New York)
New York, New York, United States
$210k-$255k/yr HybridFull Time
Kalepa
Kalepa: AI underwriting software helping commercial insurers automate risk analysis and workflow decisions.
8+ YOE8+ years software engineering; strong backend focus; Python expertise; experience with serverless, cloud, and relational databases.
Python, AWS Lambda, AWS EC2, PostgreSQL, Serverless, Distributed systems, LLMs, Generative AI
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3d
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Staff Backend Software Engineer
Edinburgh or United Kingdom or New York City or Salt Lake City or London or Pune or Dubai or Geneva or Singapore or São Paulo
RemoteFull Time
Addepar
Addepar: Provides portfolio data aggregation, analytics, and reporting.
Extensive backend software development experience; expert software design and API knowledge; distributed systems experience; Java, SQL, AWS, and AI engineering experience; mentoring and technical leadership ability.
Java, SQL, AWS, Elasticsearch, REST
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Staff Backend Engineer - Data Platform- San Francisco
San Francisco or Seattle or New York City
$240k-$260k/yr HybridFull Time
Haus
Haus: Software providing AI-powered causal marketing measurement and incrementality tools to enterprise brands.
10+ YOE10+ years of software engineering experience, deep backend and data expertise, cloud warehouse experience, SQL/dbt, expert Python, and Staff-level technical leadership.
BigQuery, dbt, Python, GCP, SQL, Snowflake, Databricks, Iceberg, Airflow, Fivetran, Apache Spark, Beam, Arrow
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1mo
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Member of Technical Staff, Backend
San Francisco or New York City or London
$250k-$500k/yr OnsiteFull Time
Mercor
Mercor: AI-powered talent marketplace connecting contractors with global organizations.
8+ YOE8+ years backend engineering experience with 3+ years at senior level; deep expertise in distributed systems, service architecture, data modeling, API design; experience owning architecture, leading migrations, mentoring senior engineers; strong communication.
Cursor, Claude Code, GitHub Copilot
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3mo
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Senior/Staff Backend Engineer, Applied AI
New York City, New York, United States
$225k-$350k/yr OnsiteFull Time
Hypha
Hypha: AI-native asset intelligence platform turning CRE loan documents into portfolio data for lenders and asset managers.
7+ YOE7+ years backend or full-stack experience; strong Node.js/TypeScript, PostgreSQL; applied AI experience; leadership and mentoring.
Node.js, TypeScript, PostgreSQL, OCR, LLM, Temporal, Inngest
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2w
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Senior / Staff Backend Engineer, Maps
New York City or United States
$200k-$300k/yr OnsiteFull Time
RADAR
RADAR: Privately held retail technology providing RFID-powered inventory intelligence and autonomous checkout systems to retailers.
Generalist software engineer to own geospatial data foundations and pipelines across Scala, Python, and Rust, with customer engagement and large-scale systems experience preferred.
Rust, Tantivy, RocksDB, FSTs, Scala, Python, Airflow, Node.js, TypeScript, MongoDB, S3, Athena, Redis, AWS, Kubernetes, EKS, Terraform, Slack, Linear, Claude, Codex, HorizonDB, OpenStreetMap, MapLibre, OpenAddresses
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1w
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Staff Backend Engineer (Digital Foot Print)
United States or Canada or San Francisco or Los Angeles or New York City
$251k-$275k/yr HybridFull Time
Laurel
Laurel: AI timekeeping and work-intelligence software for law, accounting, and consulting firms.
6+ YOE6+ years of backend software development experience; strong TypeScript, Node.js, messaging queues, MongoDB, analytical skills, and customer collaboration. Bachelor's degree or equivalent practical experience.
TypeScript, Node.js, AWS SQS, MongoDB, Python, Django, FastAPI, Flask, Airflow, PostgreSQL, NestJS
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2mo
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Staff Backend Engineer - Ads Formats
Toronto or Kitchener-Waterloo or San Francisco or London or New York City
$191k-$262k/yr HybridFull Time
Faire
Faire: Private wholesale marketplace connecting independent retailers with brands and makers worldwide.
7+ YOE7+ years software engineering experience with 3+ years as a technical leader; deep expertise building low-latency, highly available ad/content delivery systems; strong system design, AI-native tooling experience, and cross-functional leadership.
Kotlin, Java 16, Hibernate, Guice, Jersey, Elasticsearch, FAISS, Redis, DynamoDB, Protocol Buffers, HTTP, JSON, AWS, Kubernetes, Buildkite, Datadog
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1mo
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Staff Backend Engineer, Custody Core (Crypto Security)
San Francisco or Seattle or New York City or Frisco or Cottonwood Heights or Helena or Jacksonville
$154k-$264k/yr OnsiteFull Time
SoFi
SoFiNasdaq Global Select Market: SOFI: Public U.S. digital financial-services helping members borrow, save, spend, invest, and protect their money.
7+ YOE7+ years backend engineering experience building distributed, highly available services; strong REST, async messaging, cloud (AWS) experience; production debugging and incident response skills.
AWS, PostgreSQL, Redis, Kafka, Fireblocks, BitGo, Anchorage
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2mo
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Senior/Staff Backend Engineer, Applied AI
New York City, New York, United States
$155k-$225k/yr HybridFull Time
Fora
Fora: AI-enabled modern travel agency platform serving independent travel advisors and travelers with trip planning and booking tools.
5+ YOEBachelor's degree or equivalent, 5+ years backend web experience, 3+ years with Python (Django/Flask), strong API and distributed-systems design, familiarity with LLMs and applied AI, AWS and Kubernetes experience preferred.
Python, Django, Flask, Celery, RabbitMQ, AWS, Kubernetes, Anthropic, OpenAI, Model Context Protocol (MCP), SSE
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3mo
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Senior Staff Software Engineer, Backend Platform
San Francisco or New York City
$296k-$444k/yr HybridFull Time
Patreon
Patreon: Creator membership and digital-commerce platform helping artists and other creators connect with fans and earn income.
10+ YOEExtensive backend experience, 10+ years; distributed systems; cloud (AWS, Kubernetes); backend languages (Python, Go, Java, Rust); scale and reliability focus.
Python, Go, Java, Rust, MySQL, PostgreSQL, Redis, DynamoDB, AWS, Kubernetes
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2mo
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Staff Software Engineer, Backend
New York City, New York, United States
$241k-$284k/yr HybridFull Time
Genius AI
Genius AI: Private software providing booking, payments, and administrative tools to local service businesses.
7+ YOERequires 7+ years of professional engineering experience, deep Kotlin expertise, backend architecture and system design experience, production LLM integration, and proficiency with AWS and Kubernetes.
Kotlin, TypeScript, AWS, Kubernetes, LLMs
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2mo
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Staff Backend Software Engineer (Revenue Engine)
New York, United States
$224k-$280k/yr RemoteFull Time
Headway
Headway: Mental healthcare technology connecting patients with insured therapists and helping clinicians accept insurance.
Senior-level backend/platform engineer with expertise in distributed systems, payments/integrations, TypeScript and Python, observability, and technical leadership; experience building fault-tolerant, reconciled integrations.
TypeScript, Python 3, React, Remix, Next.js, FastAPI, SQLAlchemy, Postgres, Redis, Snowflake, AWS, Temporal, Kafka, Datadog, Sentry, PagerDuty, Cursor, Claude, Gemini, Eddy, Stripe, Plaid, Karat
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