Senior Backend Engineer Fully Remote TypeScript Node.JS

Senior Backend EngineerA fast-growing B2B infrastructure platform is expanding its engineering team and looking for a Senior Backend Engineer to join one of its most critical and high-velocity teams. This is a full-time, 100% remote opportunity built around a TypeScript, Node.js, and Nest.js stack, with microservice architecture at the core. The platform powers real-time services for a rapidly growing merchant base and operates at meaningful scale. EST hours are required.This team owns more services than any other in the company, and every major initiative flows through it. With a rapidly expanding customer base and 15 to 18 services under the team's umbrella, you will have real opportunities to shape architecture, mentor engineers, and ship work that matters in production. This role is built for an engineer who wants full ownership, thrives without bureaucracy, and wants to see their fingerprints on something that is actually growing. If that sounds like you, we want to hear from you. Required Skills & Experience5+ years of backend engineering experience with TypeScript and Node.jsDemonstrated experience designing and maintaining APIs at scale in production environmentsTrack record of building and shipping services end to end with full ownershipStrong foundation in system design and microservice architectureStartup mentality, comfortable with ownership, ambiguity, and moving fastClear communicator who can make and defend technical decisionsExperience mentoring engineers and raising the bar on a teamDesired Skills & ExperienceNest.js experienceBackground in ecommerce or experience integrating with logistics and shipping APIsFamiliarity with Shopify, Magento, or WooCommerceJava experience with Quarkus as a bonusExperience with MongoDB or Infrastructure as CodeWhat You Will Be Doing Tech Breakdown60% TypeScript / Node.js / Nest.js Backend Development20% System Design and Architecture20% API Integrations (Shopify, Magento, Headless eCommerce)Daily Responsibilities60% Hands-On Engineering (Building, Maintaining, and Scaling Backend Services)20% Team Collaboration and Mentorship20% Architecture and Design DecisionsThe OfferCompetitive Base SalaryBonus EligibleFully Remote (EST Hours Required)You will receive the following benefits:Medical, Dental, and Vision InsuranceFlexible PTOPerformance-Based EquityApplicants must be currently authorized to work in the US on a full-time basis now and in the future.Specialization:PostgresNode.jsJavascript