143 backend infrastructure engineer jobs at 105 companies in Secaucus, NJ
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Senior Backend / Infrastructure Engineer
New York City, New York, United States
$230k-$300k/yrHybridFull Time
Brellium: Private healthcare technology providing AI-powered clinical compliance and medical chart review software to healthcare providers.
5+ YOE5+ years of backend/infrastructure software engineering experience; expertise in Python and AWS; experience scaling data-intensive applications and pipelines; strong distributed systems, concurrency, and database knowledge.
Sesame: Private venture-backed AI building voice agents and lightweight intelligent eyewear for everyday users.
3+ YOEStrong systems thinker with reliability engineering experience; 3+ years in infrastructure, platform, or ML systems; Kubernetes production experience; strong communication.
Paris or London or New York City or San Francisco or Toronto
€66k-€120k/yrHybridFull Time
Pigment: French private software providing AI-powered business planning for finance, sales, HR, and operations teams.
Software engineering experience in production products, infrastructure experience with Kubernetes, IaC and public cloud, and object-oriented design experience using languages such as C#, Java, C++, Golang, Rust, Python or Ruby.
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.
Moonshot: Private U.S. fintech operating a mobile app that lets users discover, buy, and sell memecoins.
5+ YOE5+ years backend/platform engineering experience building high-scale, highly available systems; deep expertise in auth, financial systems, or blockchain infrastructure; strong distributed-systems and operational skills.
Flutter, React Native, React, Go, Rust, Solana, Google Cloud, Amazon Web Services
Madrid or Paris or Seattle or London or Berlin or San Francisco or New York City or Sydney or Mexico City
HybridFull Time
Aircall: Private B2B SaaS providing AI-powered cloud communications software for business sales and support teams.
6+ YOE6+ years backend development with a typed language (TypeScript preferred), production AWS experience, infrastructure-as-code (CloudFormation or Terraform), security-first mindset, serverless experience, GraphQL a plus, on-call rotation and mentoring experience.
Stockholm or London or New York City or Los Angeles or Berlin or Paris or Oslo or Seoul
HybridFull Time
Epidemic Sound: Music-tech platform licensing owned music and sound effects to creators, brands, and production companies.
6+ YOERequires 6+ years of backend software engineering experience, distributed systems and high-throughput data pipeline expertise, modern backend language and cloud infrastructure proficiency, and full system ownership.
San Francisco or New York City or Austin or Seattle
$175k-$300k/yrOnsiteFull Time
Fluidstack: Building and operating civilization-scale data center infrastructure for AI.
Experience building production services, observability, API and control-plane design, API-first infrastructure, incident response/pager duty, and familiarity with AI tooling and distributed systems.
Medal: Private AI research lab building action and world models for virtual and physical environments.
5+ YOE5+ years backend experience, strong Java and microservices skills, REST and distributed systems, MySQL/PostgreSQL, cloud (GCP/AWS), CI/CD and infrastructure as code experience.
Galaxy DigitalNasdaq: GLXY: Public digital-asset financial services and AI data-center infrastructure serving institutional clients.
7+ YOE7+ years software engineering experience; strong Golang and distributed systems skills; experience with Ethereum/blockchain, cloud-native infrastructure (AWS, Kubernetes, Helm, Flux), testing, and working in remote/asynchronous teams.
Golang, Ethereum, AWS, Kubernetes, Helm, Flux, GitOps, Claude Code, Model Context Protocol (MCP), Rust, Solidity, Headspace
Polymarket: Private blockchain-based prediction market platform where users trade on outcomes of real-world events.
Experience designing domain APIs and data models, gRPC/Connect and real-time streaming, partnering with frontend/mobile teams, and consolidating services; cloud/container experience preferred.
Alpaca Health: Tech-enabled management services organization for autism care providers.
Senior backend engineer with strong system-design and ownership; builds integrations, billing/payments, data pipelines, and AI/LLM infrastructure. Experience in operationally complex domains (healthcare, fintech, insurance) or early-stage startups preferred.
Posh: Social platform for discovering and ticketing real-world events, serving organizers and attendees.
5+ YOERequires 5+ years of backend engineering experience, production systems expertise, and proficiency in APIs, distributed systems, event-driven architecture, data modeling, and cloud infrastructure.
The New York TimesNYSE: NYT: A global media organization dedicated to independent journalism.
5+ YOE5+ years building scalable backend/API services using Go or TypeScript/Node.js, SQL and NoSQL databases, cloud infrastructure on AWS/GCP, containerization, IaC, CI/CD, observability, and mentoring experience.
Fanatics Betting & Gaming: Fanatics’ private subsidiary operates online and retail sports betting and casino wagering for U.S. sports fans.
4+ YOE4+ years building scalable backend systems; production experience with Java and Go; event-driven architectures (Kafka, Kinesis, PubSub); PostgreSQL; CI/CD and on-call experience; familiarity with regulated financial infrastructure and AI coding tools.
Backend Software Engineer, Trading Systems & Data Platform
Mountain View or New York City or New Jersey
$110k-$300k/yrHybridFull Time
Arta Finance: AI-driven digital wealth platform and SEC-registered investment adviser serving accredited investors with public and private-market investments.
Experience building reliable distributed systems, backend platforms or data infrastructure; strong programming skills (Python or similar); familiarity with Kafka, Kubernetes and cloud; knowledge of financial systems is a plus.
United States or San Francisco or New York City or Seattle or Canada
$186k-$300k/yrHybridFull Time
Superhuman: Private AI productivity platform for people and teams, combining writing, collaborative docs, email, and proactive AI agents.
8+ YOERequires 8+ years of backend development, scalable production systems, cloud platforms, AI coding tools, CI/CD, infrastructure as code, system design, independent prioritization, and cross-functional collaboration.
AWS, GCP, Azure, Copilot, Cursor, Claude Code, CI/CD