To prioritize your application, please complete this form: https://binary.so/C1rS3Hz

Schedule: Full time | US Eastern Timezone overlap, coverage until 1 or 2 PM EST.

About Upstack Data

Upstack Data is a Miami-based SaaS company building marketing automation tools for Shopify merchants. Our flagship product, Signal, replaces unreliable browser pixels with reliable first-party server-side events for Meta, TikTok, and other ad platforms.

We’re a lean, AI-first, global team with talent working across different regions.

About This Role

We’re looking for a Senior Software Engineer (Backend) to join our team.

You’ll own our backend infrastructure, including serverless APIs, data pipelines, and integrations that power our customer identity resolution platform.

You’ll work directly with our CEO to turn product requirements into reliable and scalable backend systems. You’ll have a high level of ownership and will make technical decisions independently, from planning and development to deployment and optimization.

You’ll work on complex systems such as data pipelines,



third-party integrations, webhooks, and analytics. You’ll also help improve our backend architecture, coding standards, and overall system reliability.

What You'll Do
• Build and maintain scalable backend services and APIs using Node.js, TypeScript, and AWS Lambda
• Make technical decisions around data models, API design, system architecture, and reliability
• Work with the CEO to understand product requirements and suggest practical technical solutions
• Set and maintain backend coding standards and best practices
• Build and improve data pipelines for processing customer data at scale
• Integrate with platforms such as Shopify, Meta, Google Ads, Klaviyo, and payment providers
• Review code and help maintain good engineering practices
• Improve application performance, database queries, and AWS costs
• Write tests to keep the code reliable and maintainable
• Monitor backend performance and fix issues p

📌 Senior Software Engineer (India)
🏢 Upstack Data
📍 India