Sesame: Designing wearable computers with lifelike voice-driven AI agents.
3+ YOEStrong systems thinker with reliability engineering experience; 3+ years in infrastructure, platform, or ML systems; Kubernetes production experience; strong communication.
Tennr: Automates healthcare referral workflows and patient intake with AI.
4+ YOE4+ years building production distributed systems or data infrastructure; strong backend fundamentals; proficiency in Python and TypeScript; hands-on AWS and PostgreSQL experience; observability and incident response skills.
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.
Moonshot: Mobile application for on-chain cryptocurrency trading.
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
Extend: Spend management platform for creating on-demand virtual business cards
Proven experience owning production backend systems with emphasis on correctness, reliability, operational ownership, integration with external APIs, observability and testing; experience with distributed systems and cloud infrastructure.
AWS, Kotlin, Spring Boot, Postgres, AI coding agents
Epic Games: Develops video games and licenses the Unreal game engine.
6+ YOE6+ years building distributed systems for scheduling, queueing, storage, and failure recovery; experience with CI/CD/developer infrastructure; expert C#/.NET; cloud (AWS or Azure); strong backend architecture and communication skills.
Madrid or Paris or Seattle or London or Berlin or San Francisco or New York City or Sydney or Mexico City
HybridFull Time
Aircall: Cloud-based business phone system and customer communication platform.
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.
Triple Whale: AI-powered data intelligence platform for e-commerce brands.
6+ YOE6+ years backend/infrastructure experience, located in NY tri-state, strong cloud and database skills, production on-call experience, ability to design and operate scalable systems and mentor other developers.
San Francisco or New York City or Austin or Seattle
$175k-$300k/yrOnsiteFull Time
Fluidstack: Provides high-performance cloud GPU infrastructure for AI development.
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.
General Intuition: Developing AI models that perceive and act in dynamic 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 DigitalToronto Stock Exchange: GLXY: Financial services and infrastructure for the digital asset economy.
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
FiservNew York Stock Exchange: FI: Provides financial technology and payment processing services to institutions.
6+ YOE6+ years backend development with Java and Spring Boot, infrastructure-as-code and cloud deployments, containerized development (Docker) and CI/CD, experience with Snowflake and Oracle, Bachelor's degree or equivalent.
Stripe: Provides global financial infrastructure and payment processing for businesses.
8+ YOE8+ years building production systems; API development, data modeling, DB migrations, infrastructure configuration; strong communication, testing, and technical documentation skills.
Alpaca Health: Enabling clinicians to launch and scale independent autism care clinics.
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.
Polymarket: A decentralized platform for trading on real-world event outcomes.
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.
The New York TimesNYSE: NYT: Publishes global journalism, digital subscriptions, and lifestyle media products.
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.