Senior Platform Software Engineer

🕒 July 28

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Cello

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2022

☁️ SaaS

🤝 B2B

🤖 Artificial Intelligence

💰 $5.8M Seed Round - Cello on 2023-07

SaaS • B2B • Artificial Intelligence

Cello is an AI-powered referral platform that helps companies build, automate and scale user and partner referral programs. It provides an all-in-one, enterprise-ready SaaS product that embeds referrals in-product with minimal developer work, automates attribution, payouts (Stripe, PayPal/Venmo), tax/KYC and fraud detection, and integrates with CRM and RevOps tools. Cello emphasizes compliance (GDPR/CCPA), localization, and measurable ROI for B2B SaaS customers (examples include Typeform, Hera, veed), and offers resources and guides for running referral and partner programs.

📋 Description

• Work directly with stakeholders - no walls, no ticket factory • Manage AWS infrastructure - architecture, reliability, security, and cost • Design and maintain CI/CD pipelines enabling fast and confident shipping • Influence on architecture and product direction • Help adopt the latest AI improvements to speed up builds and shipping

🎯 Requirements

• Good communication skills and a collaborative attitude • Experience building systems at real scale: high traffic, large user base, high availability • Deep AWS expertise across compute, messaging, storage, networking, and observability • Strong experience with Infrastructure as Code (Terraform or similar) • Solid distributed systems thinking: ordering guarantees, idempotency, retries, at-least-once delivery, partial failure recovery • Experience running PostgreSQL in production • Enough application-layer literacy to read TypeScript/Node.js (NestJS) code • Strong problem solver - can break down complex problems and ship pragmatic solutions • Genuine curiosity about the product itself

🏖️ Benefits

• Remote-first work culture • Regular team gatherings • Work alongside experienced founders from Twilio, Wise, and Skype