> Markdown version of [/jobs/ext/4165907-backend-engineer](https://www.wearedevelopers.com/jobs/ext/4165907-backend-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Backend Engineer - **Company:** Sniffies, LLC - **Location:** United States (Remote available) - **Experience:** Expert - **Salary:** $152,000.0 - $170,000.0 - **Contract:** Permanent contract - **Skills:** Query Performance, Amazon Web Services, Data Analysis, Apple IOS, Mobile Application Development, Cloud Computing, Databases, MongoDB, Node.Js, TypeScript, Datadog, Apache Cassandra, Delivery Pipeline, AWS Lambda, Indexer, Backend, AngularJS, Front End Software Development, Docker - **Published:** October 11, 2026 - **Apply:** https://www.thejobnetwork.com/job/919fe5a2-9471-4aec-b070-25d01ee5d60a/senior-backend-engineer ## About the Role * 7+ years of professional experience building, scaling, and supporting backend systems in production. \n * Deep experience with Node.js and TypeScript is strongly preferred; senior backend engineers from other languages who can ramp up quickly will also be considered. \n * Hands-on experience with MongoDB, including data modeling, indexing, and query performance. \n * Strong database architecture skills and a track record of optimizing backend performance on a high-traffic, user-facing product. \n * Experience with cloud infrastructure and services, preferably AWS. \n * Experience with Docker and containerized development or deployment workflows. \n * Experience with background jobs, queues, Lambdas, event-driven workflows, or asynchronous processing. \n * Strong debugging skills across services, databases, logs, metrics, and production systems. \n * Clear communication with engineering, product, and QA partners. \n, * Experience at a social media, dating, or other consumer platform, particularly one with real-time or location-based features. \n * Experience with distributed wide-column databases such as ScyllaDB or Apache Cassandra. \n * Experience with messaging, subscriptions and billing, ads, analytics, or privacy-sensitive user data. \n * Familiarity with frontend or mobile development workflows, especially Angular, Capacitor, iOS, or Android. \n * Experience with CI/CD pipelines, observability tooling, and release operations.