132 staff backend engineer jobs at 90 companies in Hackensack, NJ

3mo
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Staff Backend Engineer
New York City, New York, United States
$210k-$280k/yr HybridFull Time
TriEdge Investments
TriEdge Investments: Private investment firm developing AI-driven technology for healthcare companies.
Design and build scalable backend systems; collaborate with clinical/technical teams; maintain high engineering standards and observable, maintainable code; work with EHRs and data pipelines.
Backend frameworks, APIs, Data processing, Databases
1w
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Staff Backend Engineer
New York City or San Francisco
$250k-$300k/yr OnsiteFull Time
Town
Town: AI-powered productivity assistant that automates workplace workflows.
Experienced backend engineer with production experience scaling distributed systems, LLM/agent infrastructure, workflow orchestration, and defining technical direction in fast-moving startups.
1mo
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Backend Engineer (Senior/Staff)
New York City, New York, United States
$175k-$225k/yr RemoteFull Time
Taxwire
Taxwire: Automated global sales tax and compliance platform for businesses.
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
2mo
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Staff Backend Engineer
New York or United States
RemoteFull Time
Astra
Astra: Develops APIs for automated and real-time bank transfers.
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
3mo
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Senior/Staff Backend Engineer
New York or San Francisco
$170k-$220k/yr HybridFull Time
Casap
Casap: Building an AI-native disputes automation and fraud prevention platform with a mission to reduce fraud and streamline workflow for financial institutions.
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
1mo
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Senior/Staff Backend Engineer
New York City or San Francisco
OnsiteFull Time
Lighthouse
Lighthouse: Technology-driven platform for U.S. immigration and visa services.
5+ YOE5+ years building and operating production backend systems; strong in Python and TypeScript; experience with PostgreSQL, GraphQL, serverless, async and event-driven architectures; familiarity with LLMs and integrations (Slack, Linear, HubSpot, Front).
Python, TypeScript, PostgreSQL, GraphQL, Slack, Linear, HubSpot, Front, CRDTs, LLMs, serverless
2mo
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Staff Software Engineer, Backend
New York City or Canada
$241k-$284k/yr HybridFull Time
GlossGenius
GlossGenius: All-in-one business management platform for beauty and wellness professionals.
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
2mo
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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-powered underwriting platform for commercial insurance providers.
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
1w
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Member of Technical Staff, Backend
San Francisco or New York City or London
$250k-$500k/yr OnsiteFull Time
Mercor
Mercor: Connecting expert human intelligence with frontier AI model development.
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
1mo
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Staff Backend Engineer, Safety
United States or San Francisco or Los Angeles or New York City or Chicago
$217k-$304k/yr RemoteFull Time
Reddit
RedditNYSE: RDDT: Social platform for community-driven discussion and content sharing.
8+ YOE8+ years software development experience; proficiency in Go, Python, Rust, or Ruby; experience with GraphQL/REST/HTTP/Thrift/gRPC; BS in Computer Science or equivalent practical experience; strong organizational and cross-functional remote collaboration skills.
Go, Python, Rust, Ruby, GraphQL, REST, HTTP, Thrift, gRPC
2mo
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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 platform for asset management.
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
1mo
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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: Online wholesale marketplace connecting independent retailers with unique brands.
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
5d
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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: SOFI: Mobile-first platform for banking, lending, and investment services.
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
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: Platform for travel advisors to book and manage trips.
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
2mo
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Senior Staff Software Engineer, Backend Platform
San Francisco or New York City
$296k-$444k/yr HybridFull Time
Patreon
Patreon: Membership platform for creators to monetize work and engage fans.
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
2mo
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Fun.xyz - Backend Engineer Manager
New York, New York, United States
HybridFull Time
YieldNest
YieldNest: Liquid restaking protocol for risk-adjusted DeFi yields.
Backend engineering leadership with strong distributed systems, APIs, and database expertise; experience in fintech/payments; capable communicator; data-driven; IC background with staff-level output.
Distributed systems, APIs, Database design
2w
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Senior Staff Backend Software Engineer-NYC
Mountain View or New York City
$262k-$369k/yr HybridFull Time
X, The Moonshot Factory
X, The Moonshot FactoryNASDAQ: GOOGL: Develops early-stage technologies and experimental projects.
5+ YOEBachelor's in CS or related,5+ years building enterprise backend systems,proficiency in Java/Kotlin or Golang,experience with microservices,streaming,Cloud SQL,monitoring,security,and stakeholder collaboration.
Java, Kotlin, Golang, RESTful APIs, gRPC, Cloud SQL, PostgreSQL, MySQL, Prometheus, Grafana, GCP Cloud Monitoring, Google Cloud Platform, AWS, Azure, Angular
1mo
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Staff Software Engineer - Backend
San Francisco or New York City or London or Sydney
$240k-$270k/yr OnsiteFull Time
Sigma Computing
Sigma Computing: Cloud-native analytics platform featuring a spreadsheet-style interface.
5+ YOE5+ years building and maintaining high-quality software, strong CS fundamentals, experience deploying secure web apps in continuous deployment environments, cloud infrastructure experience preferred.
Rust, Go, GraphQL, Node, Kubernetes, SQL, GCP, AWS, Azure, Python
2w
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Member of Technical Staff, Custody (Backend Engineer)
United States or Brazil or Argentina or Portugal or Canada or Singapore or San Francisco or New York City or Porto or Sioux Falls
RemoteFull Time
Anchorage Digital
Anchorage Digital: Institutional-grade digital asset custody, trading, and infrastructure platform.
Experienced engineer in distributed systems, strong CS fundamentals (concurrency, algorithms, data structures), Go experience preferred, resilient service design, code quality, testing, mentoring and cross-functional collaboration.
Go, GraphQL, gRPC
3w
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Staff Backend Engineer, ML Inference Systems
Mountain View or Montreal or Texas or New York
$245k-$318k/yr RemoteFull Time
Unity
UnityNYSE: U: Provides software for creating real-time 3D interactive content.
5+ YOE5+ years building and operating distributed systems; expertise in Golang, cloud (GCP), Kubernetes, monitoring with Prometheus/Grafana; experience with high-throughput, low-latency inference systems.
Golang, GCP, Kubernetes, Prometheus, Grafana, Docker, NVIDIA Triton Inference Server

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